CN116293468A

CN116293468A - Risk quantitative evaluation and income maximization calculation evaluation method for coalbed methane yield

Info

Publication number: CN116293468A
Application number: CN202211683500.0A
Authority: CN
Inventors: 陈奇; 向航宇; 张东明; 任发科; 杜苇航; 任康德
Original assignee: Sichuan Furong South Sichuan Construction Engineering Co ltd; Chongqing University
Current assignee: Sichuan Furong South Sichuan Construction Engineering Co ltd; Chongqing University
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-23

Abstract

The invention provides a risk quantification evaluation and benefit maximization calculation evaluation method for coalbed methane yield, which comprises the following steps: s1, cleaning natural gas introduced into a natural gas cleaning device; and S2, conveying the natural gas to a destination. The invention can improve the safety coefficient in the natural gas cleaning process, prevent accidents and improve benefits.

Description

Risk quantitative evaluation and income maximization calculation evaluation method for coalbed methane yield

Technical Field

The invention relates to the technical field of natural gas, in particular to a risk quantification evaluation and income maximization calculation evaluation method for coalbed methane yield.

Background

Natural gas is a collective term for hydrocarbon-based gas mixtures found in subterranean rock reservoirs, has a specific gravity of about 0.65, is lighter than air, and has the characteristics of being colorless, odorless, and nontoxic. Natural gas is mainly composed of alkanes, of which methane is the predominant, and in addition small amounts of ethane, propane and butane, and in addition typically hydrogen sulfide, carbon dioxide, nitrogen and moisture and small amounts of carbon monoxide and trace amounts of rare gases such as helium and argon. To facilitate leak detection, natural gas is also odorized with mercaptans, tetrahydrothiophenes, and the like, prior to being sent to the end user. In the natural gas extraction process or the transportation process, serious consequences can be caused by slight carelessness, and accidents can be avoided by utilizing intelligent control.

Disclosure of Invention

The invention aims at least solving the technical problems existing in the prior art, and particularly creatively provides a risk quantification evaluation and benefit maximization calculation evaluation method for coalbed methane yield.

In order to achieve the above object, the present invention provides a risk quantification evaluation and profit maximization calculation evaluation method for coalbed methane yield, comprising the following steps:

s1, cleaning natural gas introduced into a natural gas cleaning device;

and S2, conveying the natural gas to a destination.

In a preferred embodiment of the present invention, step S1 includes: when a metering unit used in the cleaning process needs to be calibrated, the metering unit needing to be calibrated is calibrated.

In conclusion, by adopting the technical scheme, the natural gas cleaning device can improve the safety coefficient in the natural gas cleaning process, prevent accidents and improve benefits.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic block diagram showing the connection of the natural gas cleaning apparatus according to the present invention.

FIG. 2 is a schematic diagram showing the structural connection of the cooling liquid storage device according to the present invention.

Fig. 3 is a schematic diagram showing the connection of the conveying device structure according to the present invention.

FIG. 4 is a schematic block diagram of the metering correction device connection of the present invention.

FIG. 5 is a schematic block diagram of a metering correction device connection of the present invention.

FIG. 6 is a schematic block diagram of a metering correction device connection of the present invention.

FIG. 7 is a schematic block diagram of a metering correction device connection of the present invention.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The invention discloses a risk quantification evaluation and income maximization calculation evaluation system for natural gas yield, which comprises a natural gas cleaning device and a conveying device;

the natural gas cleaning device is used for cleaning the natural gas introduced into the natural gas cleaning device;

the conveying device is used for conveying the natural gas after the natural gas cleaning device is used for cleaning to a destination.

In a preferred embodiment of the invention, the device further comprises a metering correction device for correcting the device to be corrected.

In a preferred embodiment of the present invention, the cooling device further comprises a cooling liquid storage device for cooling the equipment requiring cooling.

In a preferred embodiment of the present invention, the metering correction device includes a pressurizing unit 4p, a natural gas temporary storage unit, a pressure regulating unit 4h, a standard metering unit 4i, and a metering unit to be corrected 4j;

the inlet end of the pressurizing unit 4p is connected with the natural gas source correction tank, wherein the natural gas source correction tank, the natural gas purifying tank and the natural gas cleaning tank can be one tank or three independent tanks, and when the tanks are independent tanks, the natural gas purifying tank or/and the natural gas in the natural gas cleaning tank is/are introduced into the natural gas source correction tank. The outlet end of the pressurizing unit 4p is connected with the inlet end of the natural gas temporary storage unit, the outlet end of the natural gas temporary storage unit is connected with the inlet end of the pressure regulating unit 4h, the outlet end of the pressure regulating unit 4h is connected with the inlet end of the standard metering unit 4i, and the outlet end of the standard metering unit 4i is connected with the inlet end of the metering unit 4j to be corrected.

In a preferred embodiment of the present invention, as shown in fig. 4, the natural gas temporary storage unit includes a natural gas temporary storage subunit and a natural gas shift temporary storage subunit;

the natural gas temporary storage subunit comprises n temporary storage tanks, wherein n is a positive integer greater than or equal to 1, namely a1 temporary storage tank a1, a2 temporary storage tank a2, a3 temporary storage tank a3, … … and an n temporary storage tank an,

the method comprises the steps that a1 st pressure sensor d1 for detecting the pressure in a1 st temporary storage tank a1 is arranged on the 1 st temporary storage tank a1, a pressure data output end of the 1 st pressure sensor d1 is connected with a pressure data input 1 st end of a correction controller, a1 st electromagnetic control valve c1 for opening and closing the inlet end b1 of the 1 st temporary storage tank is arranged at an inlet end b1 of the 1 st temporary storage tank, an opening and closing control end of the 1 st electromagnetic control valve c1 is connected with an opening and closing control 1 st end of the correction controller, a1 st electromagnetic control valve second f1 for opening and closing an outlet end e1 of the 1 st temporary storage tank is arranged at an outlet end e1 of the 1 st temporary storage tank, and an opening and closing control end of the 1 st electromagnetic control valve second f1 is connected with an opening and closing 1 st control end of the correction controller; the correction controller, the cleaning controller, the cooling liquid controller and the transportation controller can adopt single chip controllers with the same model, and can be particularly stm32f103c series controllers, wherein the correction controller, the cleaning controller and the cooling liquid controller can be one controller or three independent controllers; a first solenoid control valve C1, a second solenoid control valve C2, a third solenoid control valve C3, a fourth solenoid control valve C4, a first solenoid control valve second F1, a second solenoid control valve second F2, a third solenoid control valve second F3, a fourth solenoid control valve second F4, a first solenoid switching valve C1, a second solenoid switching valve C2, a third solenoid switching valve first C3, a fourth solenoid switching valve first C4, a first solenoid switching valve second F1, a second solenoid switching valve second F2, a third solenoid switching valve second F3, a fourth solenoid switching valve second F4, a first solenoid valve second 4C, a first solenoid valve first 1i, a first solenoid valve second 1j, a first solenoid valve third 1g, a first solenoid valve fourth solenoid valve 1F, a first solenoid valve fifth 1e, a first solenoid valve sixth 1d, a first solenoid valve seventh 1C, a first solenoid valve eighth 1n, a first solenoid valve ninth solenoid valve 1p, a first solenoid valve tenth solenoid valve 1o, a first eleven 1q, a first solenoid valve twelfth solenoid valve 1s, a first solenoid valve thirteenth solenoid valve 1v 1C, a first solenoid valve sixteenth solenoid valve 1C, a third solenoid valve 1C, a sixteenth solenoid valve 1C, a first solenoid valve sixteenth solenoid valve 1C, a third solenoid valve 1C and a sixteenth solenoid valve C1C and a first solenoid valve C1C 2, and setting and selecting according to actual conditions.

The method comprises the steps that a2 nd pressure sensor d2 for detecting the pressure in the 2 nd temporary storage tank a2 is arranged on the 2 nd temporary storage tank a2, the pressure data output end of the 2 nd pressure sensor d2 is connected with the pressure data input 2 nd end of a correction controller, a2 nd electromagnetic control valve c2 for opening and closing the inlet end b2 of the 2 nd temporary storage tank is arranged at the inlet end b2 of the 2 nd temporary storage tank, the opening and closing control end of the 2 nd electromagnetic control valve c2 is connected with the opening and closing control 2 nd end of the correction controller, a2 nd electromagnetic control valve f2 for opening and closing the outlet end e2 of the 2 nd temporary storage tank is arranged at the outlet end e2 of the 2 nd temporary storage tank, and the opening and closing control end of the 2 nd electromagnetic control valve f2 is connected with the opening and closing 2 nd control end of the correction controller;

the method comprises the steps that a3 rd pressure sensor d3 for detecting the pressure in a3 rd temporary storage tank a3 is arranged on a3 rd temporary storage tank a3, a pressure data output end of the 3 rd pressure sensor d3 is connected with a pressure data input 3 rd end of a correction controller, a3 rd electromagnetic control valve c3 for opening and closing an inlet end b3 of the 3 rd temporary storage tank is arranged at an inlet end b3 of the 3 rd temporary storage tank, an opening and closing control end of the 3 rd electromagnetic control valve c3 is connected with an opening and closing control 3 rd end of the correction controller, a3 rd electromagnetic control valve second f3 for opening and closing an outlet end e3 of the 3 rd temporary storage tank is arranged at an outlet end e3 of the 3 rd temporary storage tank, and an opening and closing control end of the 3 rd electromagnetic control valve second f3 is connected with an opening and closing 3 rd control end of the correction controller; … …;

An nth pressure sensor dn used for detecting the pressure in the nth temporary storage tank an is arranged on the nth temporary storage tank an, a pressure data output end of the nth pressure sensor dn is connected with a pressure data input nth end of a correction controller, an nth electromagnetic control valve cn used for opening and closing the inlet end bn of the nth temporary storage tank is arranged at an inlet end bn of the nth temporary storage tank, an opening and closing control end of the nth electromagnetic control valve cn is connected with an opening and closing control nth end of the correction controller, an nth electromagnetic control valve second fn used for opening and closing an outlet end en of the nth temporary storage tank is arranged at an outlet end en of the nth temporary storage tank, and an opening and closing control end of the nth electromagnetic control valve second fn is connected with an opening and closing nth control end of the correction controller;

the natural gas shift temporary storage subunit comprises N shift tanks, wherein N is a positive integer which is more than or equal to 1, and is respectively A1 st shift tank A1, A2 nd shift tank A2, A3 rd shift tank A3, … … and AN N-th shift tank AN,

the method comprises the steps that A1 st sensor D1 for detecting the pressure in A1 st rotation tank A1 is arranged on the 1 st rotation tank A1, the pressure data output end of the 1 st sensor D1 is connected with the 1 st input end of pressure data of a correction controller, A1 st electromagnetic switch valve C1 for opening and closing the inlet end B1 of the 1 st rotation tank is arranged at the inlet end B1 of the 1 st rotation tank, the opening and closing control end of the 1 st electromagnetic switch valve C1 is connected with the opening and closing input 1 st end of the correction controller, A1 st electromagnetic switch valve II F1 for opening and closing the outlet end E1 of the 1 st rotation tank is arranged at the outlet end E1 of the 1 st rotation tank, and the opening and closing control end of the 1 st electromagnetic switch valve II F1 is connected with the opening and closing 1 st input end of the correction controller;

The pressure data output end of the pressure sensor D2 is connected with the pressure data input end of the correction controller, the inlet end B2 of the 2 nd rotation tank is provided with A2 nd electromagnetic switch valve C2 for opening and closing the inlet end B2 of the 2 nd rotation tank, the opening and closing control end of the 2 nd electromagnetic switch valve C2 is connected with the opening and closing input 2 end of the correction controller, the outlet end E2 of the 2 nd rotation tank is provided with A2 nd electromagnetic switch valve F2 for opening and closing the outlet end E2 of the 2 nd rotation tank, and the opening and closing control end of the 2 nd electromagnetic switch valve F2 is connected with the opening and closing 2 nd input end of the correction controller;

the pressure data output end of the pressure 3 sensor D3 is connected with the pressure data 3 input end of the correction controller, the inlet end B3 of the 3 rd rotation tank is provided with A3 rd electromagnetic switch valve C3 used for opening and closing the inlet end B3 of the 3 rd rotation tank, the opening and closing control end of the 3 rd electromagnetic switch valve C3 is connected with the opening and closing input 3 end of the correction controller, the outlet end E3 of the 3 rd rotation tank is provided with A3 rd electromagnetic switch valve II F3 used for opening and closing the outlet end E3 of the 3 rd rotation tank, and the opening and closing control end of the 3 rd electromagnetic switch valve II F3 is connected with the opening and closing 3 rd input end of the correction controller; … …;

The N-th rotating tank AN is provided with a pressure N-th sensor DN for detecting the pressure in the N-th rotating tank AN, a pressure data output end of the pressure N-th sensor DN is connected with a pressure data N-th input end of a correction controller, AN inlet end BN of the N-th rotating tank is provided with AN N-th electromagnetic switch valve CN for opening and closing the inlet end BN of the N-th rotating tank, AN opening and closing control end of the N-th electromagnetic switch valve CN is connected with AN opening and closing input N-th end of the correction controller, AN outlet end EN of the N-th rotating tank is provided with AN N-th electromagnetic switch valve II FN for opening and closing the outlet end EN of the N-th rotating tank, and AN opening and closing control end of the N-th electromagnetic switch valve II FN is connected with AN opening and closing N-th input end of the correction controller;

the inlet end B1 of the 1 st temporary storage tank, the inlet end B2 of the 2 nd temporary storage tank, the inlet ends B3 and … … of the 3 rd temporary storage tank, the inlet end BN of the N-th temporary storage tank, the inlet ends B1 of the 1 st rotation tank, the inlet ends B2 of the 2 nd rotation tank, the inlet ends B3 and … … of the 3 rd rotation tank and the inlet end BN of the N-th rotation tank are respectively communicated with the outlet end of the pressurizing unit 4p through a conduit;

the outlet end E1 of the 1 st temporary storage tank, the outlet end E2 of the 2 nd temporary storage tank, the outlet ends E3 and … … of the 3 rd temporary storage tank, the outlet end EN of the N-th temporary storage tank, the outlet ends E1 of the 1 st rotation tank, the outlet ends E2 of the 2 nd rotation tank, the outlet ends E3 and … … of the 3 rd rotation tank and the outlet end EN of the N-th rotation tank are respectively communicated with the inlet end of the pressure regulating unit 4h through a conduit. In order to reduce the number of electromagnetic valves and pressure sensors, a1 st electromagnetic control valve C1, a2 nd electromagnetic control valve C2, a3 rd electromagnetic control valve C3, … …, a nth electromagnetic control valve CN, a1 st electromagnetic control valve second F1, a2 nd electromagnetic control valve second F2, a3 rd electromagnetic control valve second F3, … …, a nth electromagnetic control valve second FN, a1 st electromagnetic switch valve C1, a2 nd electromagnetic switch valve C2, a3 rd electromagnetic switch valve C3, … …, a nth electromagnetic switch valve CN, a1 st electromagnetic switch valve second F1, a2 nd electromagnetic switch valve second F2, a3 rd electromagnetic switch valve second F3, … …, a nth electromagnetic switch valve second FN, a1 st pressure sensor D1, a2 nd pressure sensor D2, a3 rd pressure sensor D3, … …, a nth pressure sensor DN, a pressure 1 st sensor D1, a pressure 2 nd sensor D3, a … …, a pressure nth sensor DN are removed; an electromagnetic control valve (electromagnetic valve) is arranged on a trunk pipeline of the inlet end b1 of the 1 st temporary storage tank, the inlet end b2 of the 2 nd temporary storage tank, the inlet ends b3 and … … of the 3 rd temporary storage tank and the inlet end bn of the n th temporary storage tank, and when the electromagnetic control valve is opened, the natural gas pressurized by the pressurizing unit 4p is introduced into the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tanks a3 and … … and the n th temporary storage tank an; an electromagnetic control valve (electromagnetic valve) is arranged on a main pipeline of an outlet end e1 of the 1 st temporary storage tank, an outlet end e2 of the 2 nd temporary storage tank, outlet ends e3 and … … of the 3 rd temporary storage tank and an outlet end en of the n th temporary storage tank, and when the electromagnetic control valve is opened, the natural gas stored in the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tanks a3 and … … and the n th temporary storage tank an is introduced into a pressure regulating unit 4 h; AN electromagnetic control valve (electromagnetic valve) is arranged on a main pipeline of AN inlet end B1 of the 1 st rotation tank, AN inlet end B2 of the 2 nd rotation tank, inlet ends B3 and … … of the 3 rd rotation tank and AN inlet end BN of the N th rotation tank, and when the electromagnetic control valve is opened, the natural gas pressurized by a pressurizing unit 4p of the electromagnetic control valve is introduced into the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3, … … and the N th rotation tank AN; AN electromagnetic control valve (electromagnetic valve) is arranged on a main pipeline of AN outlet end E1 of the 1 st rotation tank, AN outlet end E2 of the 2 nd rotation tank, outlet ends E3 and … … of the 3 rd rotation tank and AN outlet end EN of the N th rotation tank, and when the electromagnetic control valve is opened, the natural gas stored in the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3, … … and the N th rotation tank AN is introduced into a pressure regulating unit 4 h; a pressure sensor is arranged on one of the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3, … … and the n th temporary storage tank an to know the pressure conditions input into the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3, … … and the n th temporary storage tank an; one pressure sensor is provided in one of the 1 st, 2 nd, 3 rd, A3 rd, … … th and nth rotation tanks A1, A2 nd, A3 rd, … … th rotation tanks A3, a … … th rotation tanks AN to know the pressure conditions inputted into the 1 st, 2 nd, 3 rd, and nth rotation tanks A1, A2 nd, A3 rd, a … … th rotation tanks AN.

Acquiring the amount of natural gas entering a natural gas cleaning tank and a natural gas cleaning tank, and introducing the amount of natural gas into a sulfur removal tank for 1 h; calculating the natural gas grade:

Y＝[X-(x1+x2)]/X*100％，

wherein X represents the amount of natural gas introduced into the sulfur removal tank 1 h;

x1 represents the amount of natural gas entering the natural gas purge tank;

x2 represents the amount of natural gas entering the natural gas purge tank;

y represents the impurity removal rate;

when Y < Y1, it is grade I natural gas; when Y1 is less than or equal to Y2, the natural gas is II-grade natural gas; when Y2 is less than or equal to Y3, the natural gas is III grade natural gas; when Y3 is less than or equal to Y4, the natural gas is IV-grade natural gas; when Y is more than or equal to Y4, the natural gas is V-grade natural gas.

In a preferred embodiment of the present invention, as shown in fig. 5, when n=n=4,

the natural gas temporary storage subunit comprises 4 temporary storage tanks, namely a1 temporary storage tank a1, a2 temporary storage tank a2, a3 temporary storage tank a3 and a4 temporary storage tank a4,

the method comprises the steps that a1 st pressure sensor d1 for detecting the pressure in a1 st temporary storage tank a1 is arranged on the 1 st temporary storage tank a1, a pressure data output end of the 1 st pressure sensor d1 is connected with a pressure data input 1 st end of a correction controller, a1 st electromagnetic control valve c1 for opening and closing the inlet end b1 of the 1 st temporary storage tank is arranged at an inlet end b1 of the 1 st temporary storage tank, an opening and closing control end of the 1 st electromagnetic control valve c1 is connected with an opening and closing control 1 st end of the correction controller, a1 st electromagnetic control valve second f1 for opening and closing an outlet end e1 of the 1 st temporary storage tank is arranged at an outlet end e1 of the 1 st temporary storage tank, and an opening and closing control end of the 1 st electromagnetic control valve second f1 is connected with an opening and closing 1 st control end of the correction controller;

the method comprises the steps that a3 rd pressure sensor d3 for detecting the pressure in a3 rd temporary storage tank a3 is arranged on a3 rd temporary storage tank a3, a pressure data output end of the 3 rd pressure sensor d3 is connected with a pressure data input 3 rd end of a correction controller, a3 rd electromagnetic control valve c3 for opening and closing an inlet end b3 of the 3 rd temporary storage tank is arranged at an inlet end b3 of the 3 rd temporary storage tank, an opening and closing control end of the 3 rd electromagnetic control valve c3 is connected with an opening and closing control 3 rd end of the correction controller, a3 rd electromagnetic control valve second f3 for opening and closing an outlet end e3 of the 3 rd temporary storage tank is arranged at an outlet end e3 of the 3 rd temporary storage tank, and an opening and closing control end of the 3 rd electromagnetic control valve second f3 is connected with an opening and closing 3 rd control end of the correction controller;

the natural gas shift temporary storage subunit comprises 4 shift tanks, namely A1 st shift tank A1, A2 nd shift tank A2, A3 rd shift tank A3 and A4 th shift tank A4,

the pressure data output end of the pressure 3 sensor D3 is connected with the pressure data 3 input end of the correction controller, the inlet end B3 of the 3 rd rotation tank is provided with A3 rd electromagnetic switch valve C3 used for opening and closing the inlet end B3 of the 3 rd rotation tank, the opening and closing control end of the 3 rd electromagnetic switch valve C3 is connected with the opening and closing input 3 end of the correction controller, the outlet end E3 of the 3 rd rotation tank is provided with A3 rd electromagnetic switch valve II F3 used for opening and closing the outlet end E3 of the 3 rd rotation tank, and the opening and closing control end of the 3 rd electromagnetic switch valve II F3 is connected with the opening and closing 3 rd input end of the correction controller;

The pressure sensor D4 for detecting the pressure in the 4 th rotation tank A4 is arranged on the 4 th rotation tank A4, the pressure data output end of the pressure sensor D4 is connected with the pressure data 4 input end of the correction controller, the inlet end B4 of the 4 th rotation tank is provided with A4 th electromagnetic switch valve C4 for opening and closing the inlet end B4 of the 4 th rotation tank, the opening and closing control end of the 4 th electromagnetic switch valve C4 is connected with the opening and closing input 4 end of the correction controller, the outlet end E4 of the 4 th rotation tank is provided with A4 th electromagnetic switch valve F4 for opening and closing the outlet end E4 of the 4 th rotation tank, and the opening and closing control end of the 4 th electromagnetic switch valve F4 is connected with the opening and closing 4 th input end of the correction controller;

the inlet end B1 of the 1 st temporary storage tank, the inlet end B2 of the 2 nd temporary storage tank, the inlet ends B3 and … … of the 3 rd temporary storage tank, the inlet end B4 of the 4 th temporary storage tank, the inlet ends B1 of the 1 st rotation tank, the inlet ends B2 of the 2 nd rotation tank, the inlet ends B3 and … … of the 3 rd rotation tank and the inlet end B4 of the 4 th rotation tank are respectively communicated with the outlet end of the pressurizing unit 4p through a conduit;

the outlet end E1 of the 1 st temporary storage tank, the outlet end E2 of the 2 nd temporary storage tank, the outlet ends E3 and … … of the 3 rd temporary storage tank, the outlet end E4 of the 4 th temporary storage tank, the outlet ends E1 of the 1 st rotation tank, the outlet ends E2 of the 2 nd rotation tank, the outlet ends E3 and … … of the 3 rd rotation tank and the outlet end E4 of the 4 th rotation tank are respectively communicated with the inlet end of the pressure regulating unit 4h through a conduit.

As shown in fig. 6, when n=n=3,

the natural gas temporary storage subunit comprises 3 temporary storage tanks, namely a1 temporary storage tank a1, a2 temporary storage tank a2 and a3 temporary storage tank a3,

the natural gas shift temporary storage subunit comprises 3 shift tanks, namely A1 st shift tank A1, A2 nd shift tank A2 and A3 rd shift tank A3,

The inlet end B1 of the 1 st temporary storage tank, the inlet end B2 of the 2 nd temporary storage tank, the inlet end B3 of the 3 rd temporary storage tank, the inlet end B1 of the 1 st rotation tank, the inlet end B2 of the 2 nd rotation tank and the inlet end B3 of the 3 rd rotation tank are respectively communicated with the outlet end of the pressurizing unit 4p through a conduit;

the outlet end E1 of the 1 st temporary storage tank, the outlet end E2 of the 2 nd temporary storage tank, the outlet end E3 of the 3 rd temporary storage tank, the outlet end E1 of the 1 st rotation tank, the outlet end E2 of the 2 nd rotation tank and the outlet end E3 of the 3 rd rotation tank are respectively communicated with the inlet end of the pressure regulating unit 4h through a guide pipe.

In a preferred embodiment of the present invention, as shown in fig. 7, when n=2, n=4,

the natural gas temporary storage subunit comprises 2 temporary storage tanks, namely a1 temporary storage tank a1 and a2 temporary storage tank a2,

the inlet end B1 of the 1 st temporary storage tank, the inlet end B2 of the 2 nd temporary storage tank, the inlet end B1 of the 1 st rotation tank, the inlet end B2 of the 2 nd rotation tank, the inlet ends B3 and … … of the 3 rd rotation tank and the inlet end B4 of the 4 th rotation tank are respectively communicated with the outlet end of the pressurizing unit 4p through a conduit;

the outlet end E1 of the 1 st temporary storage tank, the outlet end E2 of the 2 nd temporary storage tank, the outlet end E1 of the 1 st rotation tank, the outlet end E2 of the 2 nd rotation tank, the outlet ends E3 and … … of the 3 rd rotation tank and the outlet end E4 of the 4 th rotation tank are respectively communicated with the inlet end 4a of the pressure regulating unit through a conduit.

In a preferred embodiment of the present invention, the pressure regulating unit 4h includes a pressure regulating tank 4e, a pressure regulating tank outlet 4g and a pressure sensor 4b for detecting the pressure condition in the pressure regulating tank 4e are disposed on the pressure regulating tank 4e, and a pressure data output end of the pressure sensor 4b is connected with a pressure data input end of the correction controller;

the first pressure regulating tank outlet 4g is provided with a first electromagnetic valve 4f for opening and closing the first pressure regulating tank outlet 4g, the opening and closing control end of the first electromagnetic valve 4f is connected with the first opening and closing control end of the correction controller, and the first pressure regulating tank outlet 4g is connected with the inlet end of the standard metering unit 4 i.

In a preferred embodiment of the invention, the device further comprises a natural gas storage unit 4l, a second pressure regulating tank outlet 4d is arranged on the pressure regulating tank 4e, a second electromagnetic valve 4c for opening and closing the second pressure regulating tank outlet 4d is arranged on the second pressure regulating tank outlet 4d, and the opening and closing control end of the second electromagnetic valve 4c is connected with the opening and closing control second end of the correction controller;

the outlet end of the metering unit to be corrected 4j and the second pressure regulating tank outlet 4d are respectively connected with the inlet end of the natural gas storage unit 4l, and the outlet end of the natural gas storage unit 4l is connected with the inlet end of the pressurizing unit 4 p.

In a preferred embodiment of the present invention, as shown in fig. 1, the natural gas cleaning apparatus includes a sulfur removal tank 1h, a temporary storage tank 1k, a water removal tank, a filtration tank 1u, a temperature raising tank 1r, and a condensation tank 1b, and a first solenoid valve 1i, a first solenoid valve two 1j, a first solenoid valve four 1f, a first solenoid valve five 1e, a first solenoid valve six 1d, a first solenoid valve seven 1c, a first solenoid valve eight 1n, a first solenoid valve nine 1p, a first solenoid valve ten 1o, a first solenoid valve eleven 1q, a first solenoid valve thirteen 1t, a first solenoid valve fourteen 1v, and a first solenoid valve seventeen 1a, wherein the water removal tank includes a water removal tank 1l and a water removal tank two 1m;

The natural gas source is connected with the first end of the first electromagnetic valve 1i, the second end of the first electromagnetic valve 1i is connected with the inlet end of the sulfur removal tank 1h, the outlet end of the sulfur removal tank 1h is connected with the first end of the first electromagnetic valve 1j, the second end of the first electromagnetic valve 1j is connected with the first end of the first two-way valve, the second end of the first two-way valve is connected with the inlet end of the temporary storage tank 1k, the outlet end of the temporary storage tank 1k is connected with the first end of the first three-way valve, the second end of the first three-way valve is connected with the first end of the first electromagnetic valve 1f, the outlet end of the first electromagnetic valve 1f is connected with the first end of the first three-way valve third, the second end of the first three-way valve is connected with the first end of the first three-way valve 1l, the second end of the first three-way valve 1l is connected with the first end of the first three-way valve fourth, the second end of the first three-way valve fourth is connected with the first end of the first three-way valve 1o, the second end of the first three-way valve is connected with the first end of the first three-way valve, the first end of the first three-way valve fourth is connected with the first three-way valve, the first end of the first three-way valve is connected with the first three-way valve, the outlet end of the first valve is connected with the first three-way valve is connected with the first valve, the first end of the first valve is connected with the first end of the first three-valve 1v is connected with the first valve, the first end of the first valve is connected with the first valve, the first valve is connected with the first valve 1v valve 1 valve, the first end of the first valve 1 valve is connected valve 1L V of the first valve 1 valve and the first valve V of the first valve;

The third end of the first three-way valve eight is connected with the first end of the first two-way valve nine, the second end of the first two-way valve nine is connected with the first end of the first two-way valve ten, the second end of the first two-way valve ten is connected with the inlet end of the heating tank 1r, the outlet end of the heating tank 1r is connected with the first end of the first two-way valve eleven, the second end of the first two-way valve eleven is connected with the first end of the first three-way valve twelve, the second end of the first three-way valve twelve is connected with the first end of the first electromagnetic valve nine 1p, the second end of the first electromagnetic valve nine 1p is connected with the first end of the first three-way valve thirteenth, the second end of the first three-way valve thirteenth is connected with the first end of the dewatering tank second 1m, the second end of the dewatering tank second 1m is connected with the first end of the first three-way valve fourteen, the second end of the first three-way valve fourteen is connected with the first end of the first electromagnetic valve seven 1c, the second end of the first electromagnetic valve seven 1c is connected with the first end of the first three-way valve fifteen, the second end of the first three-way valve fifteen is connected with the first end of the condensing tank 1b is connected with the first electromagnetic valve 1a, the first end of the first electromagnetic valve 1b is connected with the first end of the first electromagnetic valve 1 a;

the third end of the first three-way valve II is connected with the first end of the first electromagnetic valve five 1e, the second end of the first electromagnetic valve five 1e is connected with the third end of the first three-way valve fourteen, the third end of the first three-way valve thirteen is connected with the first end of the first electromagnetic valve eleven 1q, the second end of the first electromagnetic valve eleven 1q is connected with the third end of the first three-way valve five, the third end of the first three-way valve twelve is connected with the first end of the first electromagnetic valve eighth 1n, the second end of the first electromagnetic valve eighth 1n is connected with the third end of the first three-way valve IV, the third end of the first three-way valve III is connected with the first end of the first electromagnetic valve sixth 1d, and the second end of the first electromagnetic valve sixth 1d is connected with the third end of the first three-way valve fifteen;

The opening and closing control end of the first electromagnetic valve 1i is connected with the opening and closing first end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1j is connected with the opening and closing second end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1f is connected with the opening and closing third end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1e is connected with the opening and closing fourth end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1d is connected with the opening and closing fifth end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1c is connected with the opening and closing sixth end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1n is connected with the opening and closing eighth end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1p is connected with the opening and closing ninth end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1q is connected with the opening and closing control end of the cleaning controller, the opening and closing control end of the first electromagnetic valve 1p is connected with the opening and closing control end of the cleaning controller, and the opening and closing control end of the cleaning controller is connected with the opening and closing control end of the cleaning controller.

In a preferred embodiment of the present invention, the first electromagnetic valve three 1g and the first electromagnetic valve sixteen 1w are further included, and at this time, the first two-way valve one is the first three-way valve one, and the first two-way valve ten is the first three-way valve ten;

the second end of the first electromagnetic valve II 1j is connected with the first end of the first three-way valve I, the second end of the first three-way valve I is connected with the inlet end of the temporary storage tank 1k, and the third end of the first three-way valve I is connected with the first end of the first electromagnetic valve III 1 g;

the second end of the first three-way valve nine is connected with the first end of the first three-way valve ten, the second end of the first three-way valve ten is connected with the inlet end of the heating tank 1r, and the third end of the first three-way valve ten is connected with the first end of the first electromagnetic valve sixteen 1 w;

the second end of the first electromagnetic valve sixteen 1w is connected with the second end of the first electromagnetic valve three 1 g;

the opening and closing control end of the first electromagnetic valve III 1g is connected with the opening and closing fourteenth end of the cleaning controller, and the opening and closing control end of the first electromagnetic valve sixteen 1w is connected with the opening and closing fifteenth end of the cleaning controller.

In a preferred embodiment of the present invention, the valve further comprises a first electromagnetic valve twelve 1s, wherein the first two-way valve six is a first three-way valve six, and the first two-way valve eight is a first three-way valve eight;

The second end of the first three-way valve V is connected with the first end of the first three-way valve V, the second end of the first three-way valve V is connected with the inlet end of the filter tank 1u, and the third end of the first three-way valve V is connected with the first end of the first electromagnetic valve twelve 1 s;

the second end of the first electromagnetic valve thirteenth 1t is connected with the first end of the first three-way valve seven, the second end of the first three-way valve seven is connected with the first end of the first three-way valve eighth, and the third end of the first three-way valve eighth is connected with the second end of the first electromagnetic valve twelfth 1 s;

the opening and closing control end of the first electromagnetic valve twelve 1s is connected with the opening and closing sixteenth end of the cleaning controller.

In a preferred embodiment of the present invention, the valve further comprises a first electromagnetic valve fifteen 1x, where the first two-way valve eleven is a first three-way valve eleven, and the first two-way valve nine is a first three-way valve nine;

the outlet end of the heating tank 1r is connected with the first end of a first three-way valve eleven, the second end of the first three-way valve eleven is connected with the first end of a first three-way valve twelve, and the third end of the first three-way valve eleven is connected with the first end of a first electromagnetic valve fifteen 1 x;

the third end of the first three-way valve eight is connected with the first end of the first three-way valve nine, the second end of the first three-way valve nine is connected with the first end of the first two-way valve ten, and the third end of the first three-way valve nine is connected with the second end of the first electromagnetic valve fifteen 1 x;

The opening and closing control end of the first electromagnetic valve fifteen 1x is connected with the opening and closing seventeenth end of the cleaning controller.

In a preferred embodiment of the present invention, as shown in fig. 2, the coolant storage device includes a liquid storage tank 3l, a detachable air intake unit, and a detachable air exhaust unit;

a liquid storage tank liquid inlet 3k and a liquid storage tank liquid outlet 3m are formed in the side wall of the liquid storage tank 3l, and the height from the liquid storage tank liquid inlet 3k to the bottom of the liquid storage tank 3l is higher than the height from the liquid storage tank liquid outlet 3m to the bottom of the liquid storage tank 3 l; the liquid inlet 3k and the liquid outlet 3m of the liquid storage tank are positioned on two opposite surfaces of the liquid storage tank 3 l;

a liquid storage tank air inlet and a liquid storage tank air outlet are formed in the top of the liquid storage tank 3l, the liquid storage tank air inlet extends to the bottom of the liquid storage tank through an extension pipe, the tail end of the extension pipe is funnel-shaped, so that the liquid storage tank is convenient for larger area contact with cooling liquid, inert gas in the cooling liquid is taken away, a detachable air inlet unit is arranged on the liquid storage tank air inlet, and a detachable air exhaust unit is arranged on the liquid storage tank air outlet;

the pressure sensor is arranged in the detachable air inlet unit or the detachable air outlet unit, and the pressure data output end of the pressure sensor is connected with the pressure data input end of the cooling liquid controller;

The cooling liquid controller adjusts the gas amount of the gas inlet unit or/and the gas outlet unit according to the pressure state in the liquid storage tank 3l collected by the pressure sensor. During the use, link to each other liquid storage tank liquid outlet 3m with the entrance point of waiting to cool off the pipeline, with liquid storage tank inlet 3k with wait to cool off the exit end of pipeline, realize that the coolant liquid circulates in the cooling pipeline, preferably, can set up the heat sink in liquid storage tank 3l, cool off the coolant liquid in the liquid storage tank 3 l.

In a preferred embodiment of the present invention, the detachable air intake unit includes an air intake tank 3a, an air intake delivery pipe 3b, a second electromagnetic valve one 3c, and a check valve one 3e; the gas inlet tank 3a is filled with an inert gas simple substance, such as one or any combination of helium, neon, argon, krypton, xenon, and nitrogen.

An external thread I3 d is arranged on an air inlet of the liquid storage tank, an internal thread I matched with the external thread I3 d is arranged on one end of an air inlet and air delivery pipe 3b, an air inlet tank 3a is connected to the other end of the air inlet and air delivery pipe 3b, a second electromagnetic valve I3 c and a one-way valve I3 e are sequentially arranged on the air inlet and air delivery pipe 3b, the one-way valve I3 e can prevent reverse suction, and an opening and closing control end of the second electromagnetic valve I3 c is connected with an opening and closing first end of a coolant controller;

The detachable air outlet unit comprises an air exhaust tank 3f, an air exhaust and transmission pipe 3h, a second electromagnetic valve 3g and a one-way valve 3i; the exhaust tank 3f stores active gas (e.g., oxygen) in the cooling liquid (e.g., cooling water) circulated in the liquid storage tank 3l, so that corrosion of the liquid storage tank 3l and the pipeline through which the cooling liquid flows can be prevented, the protection effect is achieved, and the service life of equipment is prolonged.

An external thread II 3j is arranged on an exhaust port of the liquid storage tank, an internal thread II matched with the external thread II 3j is arranged on one end of the exhaust gas pipe 3h, an exhaust tank 3f is connected to the other end of the exhaust gas pipe 3h, a second electromagnetic valve II 3g and a one-way valve II 3i are sequentially arranged on the exhaust gas pipe 3h, and an opening and closing control end of the second electromagnetic valve II 3g is connected with an opening and closing second end of the coolant controller.

In a preferred embodiment of the present invention, as shown in fig. 3, the transporting device includes a transporting vehicle 2k for transporting the natural gas to the destination, a transporting tank 2l for transporting the filled natural gas is provided on the transporting vehicle 2k, an outlet pipe 2m for outputting the natural gas outwards is provided at the bottom of the end of the transporting tank 2l, a third solenoid valve one 2n for opening and closing the outlet pipe 2m is provided on the outlet pipe 2m, an opening and closing control end of the third solenoid valve one 2n is connected with an opening and closing first end of the transporting controller, a natural gas detecting sensor 2p for monitoring whether the natural gas leaks is provided at the end of the outlet pipe 2m, and a detecting data output end of the natural gas detecting sensor 2p is connected with a leak detecting data end of the transporting controller; the wireless data transmission end of the conveying controller is connected with the wireless data end of the wireless transmission unit;

The device also comprises a first blocking unit for blocking the outlet of the air outlet pipe 2m or/and a second blocking unit for releasing blocking liquid to the air outlet pipe 2m to enable the blocking liquid to block the air outlet pipe 2 m;

when the natural gas detection sensor 2p detects that the natural gas leaks, the conveying controller sends a plugging control command to the first plugging unit or/and the second plugging unit so that the first plugging unit and the second plugging unit plug the outlet of the air outlet pipe 2 m.

In a preferred embodiment of the present invention, the first blocking unit includes a supporting frame 2v provided at the end of the conveying vehicle 2k, a blocking box is provided on the supporting frame 2v, a slide rail 2r for sliding the horizontal moving rod 2t is provided in the blocking box, the horizontal moving rod 2t is provided on the slide rail 2r, a blocking hole for extending the horizontal moving rod 2t out of the blocking box is provided on the blocking box, a blocking block 2q is provided at one end of the horizontal moving rod 2t, a blocking groove corresponding to the outlet of the outlet pipe 2m is provided on the blocking block 2q, and a rack is provided on the horizontal moving rod 2 t;

a gear 2s meshed with the rack is further arranged in the plugging box, the gear 2s is connected with the rotary driving end of the motor, and the forward and reverse rotation control end of the motor is connected with the forward and reverse rotation control end of the conveying controller;

The rack is provided with a first proximity sensor and a second proximity sensor, the proximity signal output end of the first proximity sensor is connected with the proximity signal input first end of the conveying controller, the proximity signal output end of the second proximity sensor is connected with the proximity signal input second end of the conveying controller, the first proximity sensor is positioned on the left side of the second proximity sensor, the distance between the first proximity sensor and the second proximity sensor is Lcm, when the second proximity sensor receives the proximity signal, the conveying controller sends a stop reversing signal to a motor of the conveying controller, the motor stops moving, and the plugging block 2q is retracted into the plugging box; when the first proximity sensor receives the proximity signal, the conveying controller sends a forward rotation stopping signal to the motor, the motor stops moving, the plugging block 2q stretches out of the plugging box, and the outlet of the air outlet pipe 2m is plugged by the plugging groove.

In a preferred embodiment of the present invention, the second plugging unit includes a plugging liquid storage tank 2b provided on a supporting frame 2v, the plugging liquid storage tank 2b being located above the plugging tank, a plugging liquid being stored in the plugging liquid storage tank 2b, a plugging liquid storage tank filling port 2d for filling the plugging liquid into the plugging liquid storage tank 2b being provided at the top of the plugging liquid storage tank 2b, a plugging liquid outlet being provided at the bottom of the side of the plugging liquid storage tank 2b, being communicated with the plugging liquid outlet and the plugging liquid storage buoyancy tank inlet through an L-shaped conveying pipe 2e, a plugging liquid storage buoyancy tank inlet being provided at the top of the plugging liquid storage buoyancy tank 2j, a plugging liquid storage buoyancy tank outlet being provided at the bottom of the plugging liquid storage buoyancy tank 2j, being communicated with the plugging liquid storage buoyancy tank outlet and the air outlet pipe liquid inlet through a conveying pipe 2n, an air outlet pipe inlet being provided on the air outlet pipe 2m, the air outlet pipe inlet being located between the air outlet pipe 2m outlet and a third electromagnetic valve 2 n;

A third electromagnetic valve II 2c for opening and closing the L-shaped conveying pipe 2e is arranged on the horizontal section of the L-shaped conveying pipe 2e, and the opening and closing control end of the third electromagnetic valve II 2c is connected with the opening and closing second end of the conveying controller; a vertical rod 2h is arranged in the plugging liquid storage box 2b, a swinging rod 2g is hinged at the tail end of the vertical rod 2h, a floater 2i is arranged at one end of the swinging rod 2g, the other end of the swinging rod 2g is hinged with one end of a lifting rod 2f, the other end of the lifting rod 2f stretches into the vertical section of an L-shaped conveying pipe 2e, and a sealing plug 2e is arranged at the other end of the lifting rod 2 f; the caliber of the inlet of the plugging liquid storage buoyancy tank is smaller than that of the sealing plug 2e, so that the sealing plug 2e seals the inlet of the plugging liquid storage buoyancy tank.

In a preferred embodiment of the present invention, the plugging liquid storage box further comprises a U-shaped transparent tube 2a, a first liquid level hole and a second liquid level hole are arranged on the side surface of the plugging liquid storage box 2b, the height from the first liquid level hole to the bottom of the plugging liquid storage box 2b is higher than the height from the second liquid level hole to the bottom of the plugging liquid storage box 2b, a first end of the U-shaped transparent tube 2a is communicated with the first liquid level hole, a second end of the U-shaped transparent tube 2a is communicated with the liquid level Kong Erxiang, the U-shaped transparent tube 2a is vertically arranged, scale marks are arranged on the U-shaped transparent tube 2a, and numerical values are correspondingly arranged beside the scale marks.

The invention also discloses a risk quantification evaluation and benefit maximization calculation evaluation method for the coalbed methane yield, which comprises the following steps:

s1, cleaning natural gas introduced into a natural gas cleaning device;

and S2, conveying the natural gas to a destination. The origin and destination of the transport vehicle 2k are acquired, a route with the shortest transport route is calculated according to the origin and destination, the mileage of the route with the shortest transport route is denoted as L, and the actual profit is calculated as follows:

P＝P0-L*p-L1-L2-L3，

wherein P0 is the total limit of natural gas delivery;

l represents the travel mileage of the conveying vehicle;

p represents the unit price of fuel consumed per mileage;

l1 represents natural gas cost;

l2 represents a delivery labor cost price;

l3 represents a transport vehicle loss price;

p represents the actual benefit.

The method for conveying the route with the shortest route comprises the following steps: when a plurality of roads are available for selection, firstly connecting the destination with the intersection points of the plurality of roads to be selected to form a trend line, calculating the angles of the trend line and each road to be selected, and taking the minimum angle as the selected road.

In a preferred embodiment of the present invention, the following steps are included in step S1:

s1-1, a cleaning controller sends a control command for opening a first electromagnetic valve I1 i to the first electromagnetic valve I1 i to enable the first electromagnetic valve I1 i to be opened, and uncleaned natural gas in a natural gas source is introduced into a sulfur removal tank 1 h;

When the natural gas introduced into the sulfur removal tank 1h is greater than or equal to a preset natural gas threshold value, the cleaning controller sends a control command for closing the first electromagnetic valve 1i to the first electromagnetic valve 1i so that the first electromagnetic valve 1i is closed, and the natural gas is not introduced into the sulfur removal tank 1 h; the sulfur removal tank 1h removes impurity sulfur gas in the natural gas from the introduced natural gas, and then the next step is executed;

s1-2, the cleaning controller sends a control command for opening the first electromagnetic valve II 1j to the first electromagnetic valve II 1j so that the first electromagnetic valve II 1j is opened, and natural gas with impurity sulfur gas removed is introduced into the temporary storage tank 1 k; when the natural gas stored in the temporary storage tank 1k is greater than or equal to a preset temporary storage natural gas threshold value, executing the next step;

s1-3, the cleaning controller sends a control command for opening a first electromagnetic valve II 1j to a first electromagnetic valve IV 1f of the cleaning controller, so that the first electromagnetic valve IV 1f is opened, natural gas temporarily stored in a temporary storage tank 1k is introduced into a first dewatering tank 1l, the natural gas introduced into the first dewatering tank 1l absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-4, the cleaning controller sends a control command for opening the first electromagnetic valve ten 1o to the first electromagnetic valve ten 1o, so that the first electromagnetic valve ten 1o is opened, the natural gas with the water removed in the first water removal tank 1l is introduced into the filtering tank 1u, solid small particles in the natural gas are filtered in the filtering tank 1u, and the next step is executed; after filtering out small solid particles in the natural gas, the natural gas coming out of the filtering tank 1u is clean natural gas.

In a preferred embodiment of the present invention, after a preset time threshold t1, the first solenoid valve three 1g, the first solenoid valve four 1f, the first solenoid valve five 1e, the first solenoid valve six 1d, the first solenoid valve seven 1c, the first solenoid valve eight 1n, the first solenoid valve nine 1p, the first solenoid valve ten 1o, the first solenoid valve eleven 1q, the first solenoid valve twelve 1s, the first solenoid valve thirteenth 1t, the first solenoid valve fourteen 1v, the first solenoid valve fifteen 1x, the first solenoid valve sixteen w and the first solenoid valve seventeen 1a are in a closed state;

the steps S1-4 further comprise the following steps:

s1-5, the cleaning controller sends a control command for opening the first electromagnetic valve five 1e to the first electromagnetic valve five 1e, so that the first electromagnetic valve five 1e is opened, the natural gas temporarily stored in the temporary storage tank 1k is introduced into the second dewatering tank 1m, the natural gas introduced into the second dewatering tank 1m absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-6, the cleaning controller sends a control command for opening the first electromagnetic valve eleven 1q to the first electromagnetic valve eleven 1q of the cleaning controller, so that the first electromagnetic valve eleven 1q is opened, the natural gas with water removed in the second water removal tank 1m is introduced into the filtering tank 1u, solid small particles in the natural gas are filtered in the filtering tank 1u, and the next step is executed; after filtering out small solid particles in the natural gas, the natural gas coming out of the filtering tank 1u is clean natural gas;

S1-8, the cleaning controller sends a control command for opening the first electromagnetic valve thirteen 1t to the first electromagnetic valve thirteen 1t, so that the first electromagnetic valve thirteen 1t is opened, part of the cleaned natural gas is introduced into the heating tank 1r, and when the temperature of the natural gas introduced into the heating tank 1r is greater than or equal to a preset natural gas temperature threshold value, the next step is executed;

s1-9, the cleaning controller sends a control command for opening the first electromagnetic valve eight 1n to the first electromagnetic valve eight 1n of the cleaning controller, so that the first electromagnetic valve eight 1n of the cleaning controller is opened, natural gas heated in the heating tank 1r is introduced into the dewatering tank 1l, and the next step is executed;

s1-10, the cleaning controller sends a control command for opening the first electromagnetic valve six 1d to the first electromagnetic valve six 1d of the cleaning controller, so that the first electromagnetic valve six 1d of the cleaning controller is opened, the natural gas introduced into the first water removal tank 1l is taken away from bottom to top, the water absorbed by the first water removal tank 1l is introduced into the condensation tank 1b, and the next step is executed;

s1-11, after the natural gas with moisture is introduced into the condensation tank 1b and the moisture in the natural gas is removed through condensation, the cleaning controller sends a control command for opening the first electromagnetic valve seventeen 1a to the first electromagnetic valve seventeen 1a so that the first electromagnetic valve seventeen 1a is opened, the natural gas coming out of the condensation tank 1b is the cleaning natural gas, and the condensed natural gas can also be introduced into the heating tank 1 r.

In a preferred embodiment of the present invention, after a preset time threshold t2, the first solenoid valve three 1g, the first solenoid valve four 1f, the first solenoid valve five 1e, the first solenoid valve six 1d, the first solenoid valve seven 1c, the first solenoid valve eight 1n, the first solenoid valve nine 1p, the first solenoid valve ten 1o, the first solenoid valve eleven 1q, the first solenoid valve twelve 1s, the first solenoid valve thirteenth 1t, the first solenoid valve fourteen 1v, the first solenoid valve fifteen 1x, the first solenoid valve sixteen w and the first solenoid valve seventeen 1a are in a closed state;

the steps S1-11 further comprise the following steps:

s1-12, the cleaning controller sends a control command for opening the first electromagnetic valve IV 1f to the first electromagnetic valve IV 1f, so that the first electromagnetic valve IV 1f is opened, the natural gas temporarily stored in the temporary storage tank 1k is introduced into the first dewatering tank 1l, the natural gas introduced into the first dewatering tank 1l absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-13, the cleaning controller sends a control command for opening the first electromagnetic valve ten 1o to the first electromagnetic valve ten 1o, so that the first electromagnetic valve ten 1o is opened, the natural gas with the water removed in the first water removal tank 1l is introduced into the filtering tank 1u, solid small particles in the natural gas are filtered in the filtering tank 1u, and the next step is executed; after filtering out small solid particles in the natural gas, the natural gas coming out of the filtering tank 1u is clean natural gas;

S1-14, the cleaning controller sends a control command for opening the first electromagnetic valve thirteen 1t to the first electromagnetic valve thirteen 1t, so that the first electromagnetic valve thirteen 1t is opened, part of the cleaned natural gas is introduced into the heating tank 1r, and when the temperature of the natural gas introduced into the heating tank 1r is greater than or equal to a preset natural gas temperature threshold value, the next step is executed;

s1-15, the cleaning controller sends a control command for opening the first electromagnetic valve nine 1p to the first electromagnetic valve nine 1p of the cleaning controller, so that the first electromagnetic valve nine 1p is opened, natural gas heated in the heating tank 1r is introduced into the dewatering tank two 1m, and the next step is executed;

s1-16, the cleaning controller sends a control command for opening the first electromagnetic valve seven 1c to the first electromagnetic valve seven 1c of the cleaning controller, so that the first electromagnetic valve seven 1c is opened, natural gas introduced into the second water removal tank 1m is taken away from bottom to top, water absorbed by the second water removal tank 1m is introduced into the condensation tank 1b, and the next step is executed;

s1-17, after the natural gas with moisture is introduced into the condensation tank 1b and the moisture in the natural gas is removed through condensation, the cleaning controller sends a control command for opening the first electromagnetic valve seventeen 1a to the first electromagnetic valve seventeen 1a so that the first electromagnetic valve seventeen 1a is opened, and the condensed natural gas can be introduced into the heating tank 1 r.

In a preferred embodiment of the present invention, after a preset time threshold t3, the first solenoid valve four 1f, the first solenoid valve five 1e, the first solenoid valve six 1d, the first solenoid valve seven 1c, the first solenoid valve eight 1n, the first solenoid valve nine 1p, the first solenoid valve ten 1o and the first solenoid valve eleven 1q are in a closed state;

s1-6, the cleaning controller sends a control command for opening the first electromagnetic valve eleven 1q to the first electromagnetic valve eleven 1q of the cleaning controller, so that the first electromagnetic valve eleven 1q of the cleaning controller is opened, and the natural gas with water removed in the second water removal tank 1m is introduced into the filtering tank 1 u;

s1-7, the cleaning controller sends a control command for opening the first electromagnetic valve eight 1n to the first electromagnetic valve eight 1n of the cleaning controller, so that the first electromagnetic valve eight 1n of the cleaning controller is opened, natural gas heated in the heating tank 1r is introduced into the dewatering tank 1l, and the next step is executed;

s1-8, the cleaning controller sends a control command for opening the first electromagnetic valve six 1d to the first electromagnetic valve six 1d, so that the first electromagnetic valve six 1d is opened, and the natural gas introduced into the first water removal tank 1l is introduced into the condensation tank 1b from bottom to top to take away the water absorbed by the first water removal tank 1 l.

In a preferred embodiment of the present invention, after a preset time threshold t4, the first solenoid valve four 1f, the first solenoid valve five 1e, the first solenoid valve six 1d, the first solenoid valve seven 1c, the first solenoid valve eight 1n, the first solenoid valve nine 1p, the first solenoid valve ten 1o and the first solenoid valve eleven 1q are in a closed state;

the steps S1-9 further comprise the following steps:

s1-10, the cleaning controller sends a control command for opening the first electromagnetic valve IV 1f to the first electromagnetic valve IV 1f, so that the first electromagnetic valve IV 1f is opened, the natural gas temporarily stored in the temporary storage tank 1k is introduced into the first dewatering tank 1l, the natural gas introduced into the first dewatering tank 1l absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-11, the cleaning controller sends a control command for opening the first electromagnetic valve ten 1o to the first electromagnetic valve ten 1o so that the first electromagnetic valve ten 1o is opened, and the natural gas with the water removed in the first 1l of the water removal tank is introduced into the filtering tank 1 u;

s1-12, the cleaning controller sends a control command for opening the first electromagnetic valve nine 1p to the first electromagnetic valve nine 1p of the cleaning controller, so that the first electromagnetic valve nine 1p is opened, natural gas heated in the heating tank 1r is introduced into the dewatering tank two 1m, and the next step is executed;

S1-13, the cleaning controller sends a control command for opening the first electromagnetic valve seven 1c to the first electromagnetic valve seven 1c, so that the first electromagnetic valve seven 1c is opened, and the natural gas introduced into the second water removal tank 1m is introduced into the condensation tank 1b from bottom to top to take away the water absorbed by the second water removal tank 1 m.

In a preferred embodiment of the invention, when the filter tank 1u is not needed to filter, the cleaning controller sends a control command for opening the first electromagnetic valve twelve 1s to the first electromagnetic valve twelve 1s so that the first electromagnetic valve twelve 1s is opened, and natural gas with water removed in the first water removal tank 1l or the second water removal tank 1m is introduced into the heating tank 1 r;

when the temperature of the natural gas is excessively high through the temperature-raising tank 1r, the cleaning controller sends a control command for opening the first electromagnetic valve fifteen 1x to the first electromagnetic valve fifteen 1x, so that the first electromagnetic valve fifteen 1x is opened, and natural gas which is not heated is introduced into the first middle water-removing tank 1l or the second water-removing tank 1 m;

when the filtering tank 1u is blocked, the cleaning controller sends a control command for opening the first electromagnetic valve III 1g to the first electromagnetic valve III 1g so that the first electromagnetic valve III 1g is opened; and the cleaning controller sends a control command for opening the first electromagnetic valve sixteen 1w to the first electromagnetic valve sixteen 1w so that the first electromagnetic valve sixteen 1w is opened; the natural gas with the impurity sulfur gas removed in the sulfur removal tank 1h is introduced into the heating tank 1r, so that the problem that the natural gas is insufficient when the filtering tank 1u is blocked and the heating tank 1r is introduced from the filtering tank 1u is solved.

In a preferred embodiment of the invention, the method comprises the steps of:

s21, the coolant controller sends a control command for opening the first electromagnetic valve 3c to the first electromagnetic valve 3c, and sends a control command for opening the second electromagnetic valve 3g to the second electromagnetic valve 3 g; when the first electromagnetic valve 3c receives a control command for opening the first electromagnetic valve 3c sent by the coolant controller, the first electromagnetic valve 3c is opened, and when the second electromagnetic valve 3g receives a control command for opening the second electromagnetic valve 3g sent by the coolant controller, the second electromagnetic valve 3g is opened;

s22, closing a liquid outlet 3m of the liquid storage tank, introducing cooling liquid into a liquid inlet 3k of the liquid storage tank, and controlling inert gas in a gas inlet tank 3a to enter a liquid storage tank 3l by a cooling liquid controller when the amount of the cooling liquid is larger than or equal to the amount of preset cooling liquid, wherein the active gas in the cooling liquid enters an exhaust tank 3f under the action of pressure difference;

and S23, after a period of time, opening the liquid outlet 3m of the liquid storage tank to enable the cooling liquid to flow to the equipment to be cooled.

In a preferred embodiment of the invention, the method comprises the steps of:

s31, the conveying controller judges whether the natural gas detecting sensor 2p detects natural gas leakage of the gas outlet pipe 2 m:

If the natural gas detection sensor 2p detects that the natural gas leakage exists in the gas outlet pipe 2m, executing the next step;

if the natural gas detection sensor 2p does not detect that the natural gas leakage exists in the gas outlet pipe 2m, continuing to detect, and returning to the step S31;

s32, the conveying controller sends a motor forward rotation signal to the motor of the conveying controller, and the motor rotates forward after receiving the motor forward rotation signal sent by the conveying controller; the motor drives the gear 2s to rotate positively, the gear 2s drives the horizontal moving rod 2t to move rightwards, the blocking block 2q on one end of the horizontal moving rod 2t gradually extends out of the blocking box, when the conveying controller receives the proximity signal sent by the first proximity sensor, the conveying controller sends a signal for stopping forward rotation to the motor, the motor stops moving, and at the moment, the blocking block 2q blocks the outlet of the air outlet pipe 2 m;

s33, after the motor stops moving, the conveying controller sends an opening control command to a second electromagnetic valve 2c of the conveying controller, after the second electromagnetic valve 2c receives the opening control command sent by the conveying controller, the second electromagnetic valve 2c is opened, and plugging liquid filled in a plugging liquid storage box 2b enters the plugging liquid storage box 2j through a plugging liquid outlet, an L-shaped conveying pipe 2e and a plugging liquid storage floating box inlet; the plugging liquid entering the plugging liquid storage buoyancy tank 2j enters the air outlet pipe 2m through the outlet of the plugging liquid storage buoyancy tank, the conveying pipe 2n and the air outlet pipe liquid inlet;

S34, when the plugging liquid is filled in the air outlet pipe 2m, the liquid level of the plugging liquid in the plugging liquid storage buoyancy tank 2j gradually rises, the floater 2i rotates upwards under the action of the plugging liquid, the other end of the swinging rod 2g rotates downwards to drive the lifting rod 2f to descend downwards, and when the sealing plug 2e on the other end of the lifting rod 2f plugs the inlet of the plugging liquid storage buoyancy tank, the plugging liquid in the plugging liquid storage tank 2b does not flow into the plugging liquid storage buoyancy tank 2j any more;

and S34, the conveying controller sends the time for leakage of the conveying vehicle 2k, the blocking time and the conveying vehicle ID to the natural gas conveying management platform through the wireless transmission unit, so that the situation of the conveying vehicle 2k can be conveniently known.

In a preferred embodiment of the invention, the method comprises the steps of:

s4-1, electromagnetic control valve 1C 1, electromagnetic control valve 2C 2, electromagnetic control valve 3C 3, electromagnetic control valve 4C 4, electromagnetic control valve 1F 1, electromagnetic control valve 2F 2, electromagnetic control valve 3F 3, electromagnetic control valve 4F 4, electromagnetic switch valve 1C 1, electromagnetic switch valve 2C 2, electromagnetic switch valve 3C 3, electromagnetic switch valve 4C 4, electromagnetic switch valve 1F 1, electromagnetic switch valve 2F 2, electromagnetic switch valve 3F 3, electromagnetic switch valve 4F 4, electromagnetic switch valve 4F 4 and electromagnetic valve 4C are all in a closed state;

S4-2, the correction controller sends opening control commands to the 1 st electromagnetic control valve C1, the 2 nd electromagnetic control valve C2, the 3 rd electromagnetic control valve C3, the 4 th electromagnetic control valve C4, the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4, the 1 st electromagnetic control valve C1, the 2 nd electromagnetic control valve C2, the 3 rd electromagnetic control valve C3, the 4 th electromagnetic control valve C4, the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4 respectively receive the sent opening 1 st electromagnetic control valve C1, the 2 nd electromagnetic control valve C2, the 3 rd electromagnetic control valve C3, the 4 th electromagnetic control valve C4, the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3, the 4 th electromagnetic switch valve C3, the first electromagnetic switch valve C4, the first electromagnetic switch valve C1, the first electromagnetic switch valve C2, the first electromagnetic switch valve C4 and the first electromagnetic switch valve C2 after receiving the sent opening control commands;

s4-3, introducing the natural gas after the pressurization of the pressurizing unit 4p is completed into A1 st temporary storage tank A1, A2 nd temporary storage tank A2, A3 rd temporary storage tank A3, A4 th temporary storage tank A4, A1 st rotation tank A1, A2 nd rotation tank A2, A3 rd rotation tank A3 and A4 th rotation tank A4 for storage;

S4-4, the correction controller receives pressure data detected by the 1 st pressure sensor D1, the 2 nd pressure sensor D2, the 3 rd pressure sensor D3, the 4 th pressure sensor D4, the 1 st pressure sensor D1, the 2 nd pressure sensor D2, the 3 rd pressure sensor D3 and the 4 th pressure sensor D4, and judges the magnitude between the obtained pressure value and a preset comparison pressure threshold value:

if the calculated pressure value is greater than or equal to the preset comparison pressure threshold value, the calculation method for obtaining the pressure value comprises the following steps:

wherein S is _i Representing the pressure value in the ith temporary storage tank detected by the ith pressure sensor;

indicating the error rate of the i-th pressure sensor detection,/-)>

s _j Representing the pressure value in the jth alternate can detected by the pressure jth sensor;

ζ _j indicating the error rate, ζ, of the pressure detected by the j-th sensor _j ∈(0,5.36]；

S represents the calculated pressure value;

S ₁ a1 st temporary storage tank a1 which is detected by a1 st pressure sensor d 1;

S ₂ represents the 2 nd pressureThe pressure value in the 2 nd temporary storage tank a2 detected by the sensor d 2;

S ₃ the pressure value in the ith temporary storage tank a3 detected by the 3 rd pressure sensor d 3;

S ₄ a4 th temporary storage tank a4 pressure value detected by a4 th pressure sensor d 4;

indicating the error rate of the detection of the 1 st pressure sensor d1, a ∈1, >

Indicating the error rate of the detection of the pressure sensor d2 of 2, a ∈2>

Indicating the error rate of the detection of the 3 rd pressure sensor d3, a ∈3>

Indicating the error rate of the detection of the 4 th pressure sensor d4, a ∈4>

s ₁ A pressure value in the 1 st rotation tank A1 detected by the 1 st pressure sensor D1;

s ₂ a pressure value in the 2 nd rotation tank A2 detected by the pressure 2 nd sensor D2;

s ₃ representing pressure 3 rd sensor D3 detectionThe pressure value in the 3 rd rotation tank A3;

s ₄ a value indicating the pressure in the j-th rotation tank A4 detected by the pressure 4-th sensor D4;

ζ ₁ indicating the error rate, ζ, of the pressure 1 st sensor D1 ₁ ∈(0,5.36]；

ζ ₂ Indicating the error rate, ζ, of the pressure sensor D2 ₂ ∈(0,5.36]；

ζ ₃ Indicating the error rate, ζ, of the pressure 3 rd sensor D3 ₃ ∈(0,5.36]；

ζ ₄ Indicating the error rate, ζ, of the pressure 4 th sensor D4 ₄ ∈(0,5.36]；

Continuously introducing the natural gas after the pressurization of the pressurizing unit 4p in the step S4-3 into the 1 st temporary storage tank A1, the 2 nd temporary storage tank A2, the 3 rd temporary storage tank A3, the 4 th temporary storage tank A4, the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 for storage until the 1 st temporary storage tank A1, the 2 nd temporary storage tank A2, the 3 rd temporary storage tank A3, the 4 th temporary storage tank A4, the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 are stored in a preset natural gas storage threshold; the correction controller sends a closing control command to a1 st electromagnetic control valve C1, a2 nd electromagnetic control valve C2, a3 rd electromagnetic control valve C3, a4 th electromagnetic control valve C4, a1 st electromagnetic switch valve C1, a2 nd electromagnetic switch valve C2, a3 rd electromagnetic switch valve C3, a4 th electromagnetic switch valve C4, a1 st electromagnetic control valve C1, a2 nd electromagnetic control valve C2, a3 rd electromagnetic control valve C3, a4 th electromagnetic control valve C4, a1 st electromagnetic switch valve C1, a2 nd electromagnetic switch valve C2, a3 rd electromagnetic switch valve C3, a4 th electromagnetic switch valve C4 respectively receive the sent closing control command of the 1 st electromagnetic control valve C1, the 2 nd electromagnetic control valve C2, the 3 rd electromagnetic control valve C3, the 4 th electromagnetic control valve C4, the 1 st electromagnetic switch valve C1, the 2 electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3, the 4 electromagnetic switch valve C4, the first electromagnetic switch valve C1, the first electromagnetic switch valve C2, the first electromagnetic switch valve C4, the first electromagnetic switch valve C1, the first electromagnetic switch valve C2, the first electromagnetic switch valve C4 and the first electromagnetic switch valve C4 after receiving the sent closing command; executing the next step;

If the calculated pressure value is smaller than the preset comparison pressure threshold value, the pressurizing unit 4p increases the natural gas after the pressurization is completed and continuously flows into the 1 st temporary storage tank A1, the 2 nd temporary storage tank A2, the 3 rd temporary storage tank A3, the 4 th temporary storage tank A4, the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 for storage; returning to the step S4-4;

s4-5, the correction controller sends opening control commands to the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4, and after the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f1, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4 respectively receive the sent control commands for opening the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4, the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4 are opened; the natural gas stored in the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3 and the 4 th temporary storage tank a4 is introduced into a pressure regulating tank 4 e;

s4-6, regulating the pressure of the natural gas introduced into the pressure regulating tank 4e to be within a pressure value range which is suitable for the standard metering unit 4i, and introducing the natural gas into the standard metering unit 4i after the pressure regulation is completed;

S4-7, natural gas introduced into the standard metering unit 4i is introduced into the metering unit 4j to be corrected, and the flow parameter of the metering unit 4j to be corrected is adjusted according to the flow value displayed by the standard metering unit 4 i.

In a preferred embodiment of the present invention, further comprising:

after the correction is completed, the residual natural gas in the pressure regulating tank 4e is introduced into the natural gas storage unit 4 l;

in the correction process, the natural gas supplied to the metering unit 4j to be corrected is supplied to the natural gas storage unit 4 l.

In a preferred embodiment of the present invention, when the natural gas in the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3, the 4 th temporary storage tank a4 is lower than or equal to a preset natural gas first storage amount threshold value, the preset natural gas first storage amount threshold value is smaller than the preset natural gas storage amount threshold value; the method comprises the following steps:

s4-8, the correction controller sends a closing control command to the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4, and after the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f1, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4 respectively receive the sent control commands for closing the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4, the 1 st electromagnetic control valve II f1, the 2 nd electromagnetic control valve II f2, the 3 rd electromagnetic control valve II f3 and the 4 th electromagnetic control valve II f4 are closed;

After the 1 st electromagnetic control valve II F1, the 2 nd electromagnetic control valve II F2, the 3 rd electromagnetic control valve II F3 and the 4 th electromagnetic control valve II F4 are closed, the correction controller sends opening control commands to the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4, and the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4 respectively receive the sent control commands for opening the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4, and then the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4 are opened; introducing the natural gas stored in the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 into the pressure regulating tank 4 e;

the correction controller sends opening control commands to the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4, and after the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4 respectively receive the sent control commands for opening the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4, the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4 are opened; introducing the natural gas after the pressurization of the pressurizing unit 4p into the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3 and the 4 th temporary storage tank a4 for storage;

S4-9, after the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3 and the 4 th temporary storage tank a4 are stored to a preset natural gas storage capacity threshold value; the correction controller sends closing control commands to the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4, and after the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4 respectively receive the sent control commands for closing the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4, the 1 st electromagnetic control valve c1, the 2 nd electromagnetic control valve c2, the 3 rd electromagnetic control valve c3 and the 4 th electromagnetic control valve c4 are closed.

In a preferred embodiment of the present invention, when the natural gas in the 1 st, 2 nd, 3 rd, and 4 th shift tanks A1, A2 nd, A3 rd, and A4 th shift tanks A4 thereof is lower than or equal to a preset natural gas first storage amount threshold value; the method comprises the following steps:

s4-10, the correction controller sends a closing control command to a1 st electromagnetic switch valve II F1, a2 nd electromagnetic switch valve II F2, a3 rd electromagnetic switch valve II F3 and a4 th electromagnetic switch valve II F4, and after the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F1, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4 respectively receive the sent control commands for closing the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4, the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4 are closed;

After the 1 st electromagnetic switch valve II F1, the 2 nd electromagnetic switch valve II F2, the 3 rd electromagnetic switch valve II F3 and the 4 th electromagnetic switch valve II F4 are closed, the correction controller sends opening control commands to the 1 st electromagnetic control valve II F1, the 2 nd electromagnetic control valve II F2, the 3 rd electromagnetic control valve II F3 and the 4 th electromagnetic control valve II F4, and the 1 st electromagnetic control valve II F1, the 2 nd electromagnetic control valve II F2, the 3 rd electromagnetic control valve II F3 and the 4 th electromagnetic control valve II F4 respectively receive the sent control commands for opening the 1 st electromagnetic control valve II F1, the 2 nd electromagnetic control valve II F2, the 3 rd electromagnetic control valve II F3 and the 4 th electromagnetic control valve II F4, and then the 1 st electromagnetic control valve II F1, the 2 nd electromagnetic control valve II F2, the 3 rd electromagnetic control valve II F3 and the 4 th electromagnetic control valve II F4 are opened; the natural gas stored in the 1 st temporary storage tank a1, the 2 nd temporary storage tank a2, the 3 rd temporary storage tank a3 and the 4 th temporary storage tank a4 is introduced into a pressure regulating tank 4 e;

the correction controller sends opening control commands to the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4, and the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4 respectively receive the sent control commands for opening the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4, and then the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4 are opened; introducing the natural gas after the pressurization of the pressurizing unit 4p into the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 for storage;

S4-11, after the 1 st rotation tank A1, the 2 nd rotation tank A2, the 3 rd rotation tank A3 and the 4 th rotation tank A4 are stored to a preset natural gas storage capacity threshold; the correction controller sends closing control commands to the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4, and after the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4 respectively receive the sent control commands for closing the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4, the 1 st electromagnetic switch valve C1, the 2 nd electromagnetic switch valve C2, the 3 rd electromagnetic switch valve C3 and the 4 th electromagnetic switch valve C4 are closed.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The risk quantification evaluation and benefit maximization calculation evaluation method for the coalbed methane yield is characterized by comprising the following steps of:

S1, cleaning natural gas introduced into a natural gas cleaning device;

and S2, conveying the natural gas to a destination.

2. The method for risk quantification assessment and profit maximization calculation assessment of coalbed methane yield according to claim 1, characterized in that it comprises in step S1: when a metering unit used in the cleaning process needs to be calibrated, the metering unit needing to be calibrated is calibrated.

3. The risk quantification assessment and benefit maximization calculation assessment method for coalbed methane yield according to claim 2, comprising the following steps:

s4-1, a first 1 electromagnetic control valve (C1), a first 2 electromagnetic control valve (C2), a first 3 electromagnetic control valve (C3), a first 4 electromagnetic control valve (C4), a second 1 electromagnetic control valve (F1), a second 2 electromagnetic control valve (F2), a second 3 electromagnetic control valve (F3), a second 4 electromagnetic control valve (F4), a first 1 electromagnetic switch valve (C1), a first 2 electromagnetic switch valve (C2), a first 3 electromagnetic switch valve (C3), a first 4 electromagnetic switch valve (C4), a second 1 electromagnetic switch valve (F1), a second 2 electromagnetic switch valve (F2), a second 3 electromagnetic switch valve (F3), a second 4 electromagnetic switch valve (F4), a first electromagnetic valve (4F) and a second electromagnetic valve (4C) are all in a closed state;

S4-2, the correction controller sends opening control commands to a 1 st electromagnetic control valve I (C1), a 2 nd electromagnetic control valve I (C2), a 3 rd electromagnetic control valve I (C3), a 4 th electromagnetic control valve I (C4), a 1 st electromagnetic switch valve I (C1), a 2 nd electromagnetic switch valve I (C2), a 3 rd electromagnetic switch valve I (C3) and a 4 th electromagnetic switch valve I (C4), the first electromagnetic control valve (C1), the first electromagnetic control valve (C2), the first electromagnetic control valve (C3), the first electromagnetic control valve (C4), the first electromagnetic switch valve (C1), the first electromagnetic switch valve (C2) 2, the first electromagnetic switch valve (C3) 3, the first electromagnetic switch valve (C4) receive the sent control commands for opening the first electromagnetic control valve (C1), the first electromagnetic control valve (C2), the first electromagnetic control valve (C3), the first electromagnetic control valve (C4), the first electromagnetic switch valve (C1), the first electromagnetic switch valve (C2), the first electromagnetic switch valve (C3) and the first electromagnetic switch valve (C4), and after the control commands for opening the first electromagnetic control valve (C1), the first electromagnetic switch valve (C2), the first electromagnetic switch valve (C3), the first electromagnetic switch valve (C4), the first electromagnetic switch valve (C1), the first electromagnetic switch valve (C2), the second electromagnetic switch valve (C2) and the first electromagnetic switch valve (C2) are respectively received and sent, the first electromagnetic switch valve (C3) and the first electromagnetic switch valve (C4) of the third electromagnetic switch valve (C3) are opened;

S4-3, introducing the natural gas after the pressurization of the pressurizing unit (4 p) into A1 st temporary storage tank (A1), A2 nd temporary storage tank (A2), A3 rd temporary storage tank (A3), A4 th temporary storage tank (A4), A1 st rotation tank (A1), A2 nd rotation tank (A2), A3 rd rotation tank (A3) and A4 th rotation tank (A4) for storage;

s4-4, the correction controller receives pressure data detected by the 1 st pressure sensor (D1), the 2 nd pressure sensor (D2), the 3 rd pressure sensor (D3), the 4 th pressure sensor (D4), the 1 st pressure sensor (D1), the 2 nd pressure sensor (D2), the 3 rd pressure sensor (D3) and the 4 th pressure sensor (D4), and judges the magnitude between the obtained pressure value and a preset comparison pressure threshold value:

if the calculated pressure value is greater than or equal to the preset comparison pressure threshold, continuously introducing the natural gas after the pressurizing unit (4 p) in the step S4-3 is pressurized into the 1 st temporary storage tank (A1), the 2 nd temporary storage tank (A2), the 3 rd temporary storage tank (A3), the 4 th temporary storage tank (A4), the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) until the 1 st temporary storage tank (A1), the 2 nd temporary storage tank (A2), the 3 rd temporary storage tank (A3), the 4 th temporary storage tank (A4), the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) are stored to the preset natural gas storage threshold; the correction controller sends a closing control command to a1 st electromagnetic control valve (C1), a2 nd electromagnetic control valve (C2), a3 rd electromagnetic control valve (C3), a4 th electromagnetic control valve (C4), a1 st electromagnetic switch valve (C1), a2 nd electromagnetic switch valve (C2), a3 rd electromagnetic switch valve (C3), a4 th electromagnetic switch valve (C4), a1 st electromagnetic control valve (C1), a2 nd electromagnetic control valve (C2), a3 rd electromagnetic control valve (C3), a4 th electromagnetic control valve (C4), a1 st electromagnetic switch valve (C1), a2 nd electromagnetic switch valve (C2), a3 rd electromagnetic switch valve (C3), a4 th electromagnetic switch valve (C4) respectively receive the sent closing 1 st electromagnetic control valve (C1), a2 nd electromagnetic control valve (C2), a3 rd electromagnetic control valve (C3), a4 th electromagnetic control valve (C4), a1 st electromagnetic switch valve (C1), a2 nd electromagnetic switch valve (C2), a first electromagnetic switch valve (C3), a second electromagnetic switch valve (C2), a first electromagnetic switch valve (C3), a second electromagnetic switch valve (C4) and a first electromagnetic switch valve (C1), a first electromagnetic switch valve (C2), a second electromagnetic switch valve (C3) which are respectively received and send out, the first electromagnetic switch valve (C4) is closed; executing the next step;

If the calculated pressure value is smaller than a preset comparison pressure threshold value, the pressurizing unit (4 p) increases the natural gas after pressurization is completed and continuously flows into the 1 st temporary storage tank (A1), the 2 nd temporary storage tank (A2), the 3 rd temporary storage tank (A3), the 4 th temporary storage tank (A4), the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) for storage; returning to the step S4-4;

s4-5, the correction controller sends opening control commands to a1 st electromagnetic control valve II (f 1), a2 nd electromagnetic control valve II (f 2), a3 rd electromagnetic control valve II (f 3) and a4 th electromagnetic control valve II (f 4), and the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4) respectively receive the sent control commands for opening the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4), and then the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4) are opened; the natural gas stored in the 1 st temporary storage tank (a 1), the 2 nd temporary storage tank (a 2), the 3 rd temporary storage tank (a 3) and the 4 th temporary storage tank (a 4) is introduced into a pressure regulating tank (4 e);

s4-6, regulating the pressure of the natural gas introduced into the pressure regulating tank (4 e) to be within a pressure value range which is suitable for the standard metering unit (4 i), and introducing the natural gas into the standard metering unit (4 i) after the pressure regulation is completed;

S4-7, introducing the natural gas introduced into the standard metering unit (4 i) into the metering unit (4 j) to be corrected, and adjusting the flow parameter of the metering unit (4 j) to be corrected according to the flow value displayed by the standard metering unit (4 i).

4. A risk quantification assessment and benefit maximization calculation assessment method for coalbed methane yield according to claim 3, wherein in step S4-4, the calculation method for obtaining the calculated pressure value is:

indicating the error rate of the i-th pressure sensor detection,/-)>

S represents the calculated pressure value;

S ₁ a1 st temporary storage tank (a 1) for detecting the pressure value in the 1 st temporary storage tank (d 1);

S ₂ a pressure value in the 2 nd temporary storage tank (a 2) detected by the 2 nd pressure sensor (d 2);

S ₃ representing the pressure value in the ith temporary storage tank (a 3) detected by the 3 rd pressure sensor (d 3);

S ₄ a4 th temporary storage tank (a 4) for detecting the pressure value in the 4 th temporary storage tank (d 4);

indicating the error rate of the detection of the 1 st pressure sensor (d 1),. Sup. ->

Indicating the error rate of the detection of the 2 nd pressure sensor (d 2),. Sup. >

Indicating the error rate of the detection of the 3 rd pressure sensor (d 3),. Sup.>

Indicating the error rate of the detection of the 4 th pressure sensor (d 4),. Sup.>

s ₁ Representing the pressure value in the 1 st rotation tank (A1) detected by the pressure 1 st sensor (D1);

s ₂ representing the pressure value in the 2 nd rotation tank (A2) detected by the pressure 2 nd sensor (D2);

s ₃ representing the pressure value in the 3 rd rotation tank (A3) detected by the pressure 3 rd sensor (D3);

s ₄ representing the pressure value in the j-th rotation tank (A4) detected by the pressure 4-th sensor (D4);

ζ ₁ representing the pressure 1 stError rate, ζ of sensor (D1) detection ₁ ∈(0,5.36]；

ζ ₂ Indicating the error rate, ζ, of the pressure sensor 2 (D2) ₂ ∈(0,5.36]；

ζ ₃ Indicating the error rate, ζ, of the pressure 3 rd sensor (D3) ₃ ∈(0,5.36]；

ζ ₄ Indicating the error rate, ζ, of the pressure 4 th sensor (D4) ₄ ∈(0,5.36]。

5. The method for risk quantification assessment and profit maximization calculation assessment of coalbed methane production according to claim 1, further comprising:

after the correction is completed, the residual natural gas in the pressure regulating tank (4 e) is introduced into a natural gas storage unit (4 l);

in the correction process, the natural gas which is introduced into the metering unit (4 j) to be corrected is introduced into the natural gas storage unit (4 l).

6. The risk quantification assessment and profit maximization calculation assessment method for coalbed methane yield according to claim 1, wherein when the natural gas in the 1 st temporary storage tank (a 1), the 2 nd temporary storage tank (a 2), the 3 rd temporary storage tank (a 3) and the 4 th temporary storage tank (a 4) is lower than or equal to a preset natural gas first storage threshold value, the preset natural gas first storage threshold value is smaller than the preset natural gas storage threshold value; the method comprises the following steps:

S4-8, the correction controller sends a closing control command to a1 st electromagnetic control valve II (f 1), a2 nd electromagnetic control valve II (f 2), a3 rd electromagnetic control valve II (f 3) and a4 th electromagnetic control valve II (f 4), and the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4) respectively receive the sent control commands for closing the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4), and then the 1 st electromagnetic control valve II (f 1), the 2 nd electromagnetic control valve II (f 2), the 3 rd electromagnetic control valve II (f 3) and the 4 th electromagnetic control valve II (f 4) are closed;

after the 1 st electromagnetic control valve II (F1), the 2 nd electromagnetic control valve II (F2), the 3 rd electromagnetic control valve II (F3) and the 4 th electromagnetic control valve II (F4) are closed, the correction controller sends opening control commands to the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4), and the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4) respectively receive the sent control commands for opening the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4), and then the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4) are opened; introducing the natural gas stored in the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) into a pressure regulating tank (4 e);

The correction controller sends opening control commands to a first electromagnetic control valve (c 1), a first electromagnetic control valve (c 2), a first electromagnetic control valve (c 3) 3 and a first electromagnetic control valve (c 4) which are 1 st, the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th, respectively receive the sent control commands for opening the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th, and then the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th are opened; introducing the natural gas after the pressurization of the pressurizing unit (4 p) into a1 st temporary storage tank (a 1), a2 nd temporary storage tank (a 2), a3 rd temporary storage tank (a 3) and a4 th temporary storage tank (a 4) for storage;

s4-9, after the 1 st temporary storage tank (a 1), the 2 nd temporary storage tank (a 2), the 3 rd temporary storage tank (a 3) and the 4 th temporary storage tank (a 4) are stored to a preset natural gas storage capacity threshold; the correction controller sends closing control commands to a first electromagnetic control valve (c 1), a first electromagnetic control valve (c 2), a first electromagnetic control valve (c 3) and a first electromagnetic control valve (c 4) which are 1 st, the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th, respectively receive the sent control commands for closing the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th, and then the first electromagnetic control valve (c 1), the first electromagnetic control valve (c 2), the first electromagnetic control valve (c 3) which are 3 rd and the first electromagnetic control valve (c 4) which are 4 th are closed.

7. The risk quantification assessment and profit maximization calculation assessment method for coalbed methane yield according to claim 6, wherein when the natural gas in the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) is lower than or equal to a preset natural gas first storage threshold; the method comprises the following steps:

s4-10, the correction controller sends a closing control command to a1 st electromagnetic switch valve II (F1), a2 nd electromagnetic switch valve II (F2), a3 rd electromagnetic switch valve II (F3) and a4 th electromagnetic switch valve II (F4), and the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4) respectively receive the sent control commands for closing the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4), and then the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4) are closed;

after the 1 st electromagnetic switch valve II (F1), the 2 nd electromagnetic switch valve II (F2), the 3 rd electromagnetic switch valve II (F3) and the 4 th electromagnetic switch valve II (F4) are closed, the correction controller sends opening control commands to the 1 st electromagnetic control valve II (F1), the 2 nd electromagnetic control valve II (F2), the 3 rd electromagnetic control valve II (F3) and the 4 th electromagnetic control valve II (F4), and the 1 st electromagnetic control valve II (F1), the 2 nd electromagnetic control valve II (F2), the 3 rd electromagnetic control valve II (F3) and the 4 th electromagnetic control valve II (F4) respectively receive the sent control commands for opening the 1 st electromagnetic control valve II (F1), the 2 nd electromagnetic control valve II (F2), the 3 rd electromagnetic control valve II (F3) and the 4 th electromagnetic control valve II (F4), and then the 1 st electromagnetic control valve II (F1), the 2 nd electromagnetic control valve II (F2), the 3 rd electromagnetic control valve II (F3) and the 4 th electromagnetic control valve II (F4) are opened; the natural gas stored in the 1 st temporary storage tank (a 1), the 2 nd temporary storage tank (a 2), the 3 rd temporary storage tank (a 3) and the 4 th temporary storage tank (a 4) is introduced into a pressure regulating tank (4 e);

The correction controller sends opening control commands to a first electromagnetic switch valve 1 (C1), a second electromagnetic switch valve 2 (C2), a first electromagnetic switch valve 3 (C3) and a first electromagnetic switch valve 4 (C4), wherein the first electromagnetic switch valve 1 (C1), the second electromagnetic switch valve 2 (C2), the first electromagnetic switch valve 3 (C3) and the first electromagnetic switch valve 4 (C4) respectively receive the sent control commands for opening the first electromagnetic switch valve 1 (C1), the second electromagnetic switch valve 2 (C2), the first electromagnetic switch valve 3 (C3) and the first electromagnetic switch valve 4 (C4), and then the first electromagnetic switch valve 1 (C1), the second electromagnetic switch valve 2 (C2), the first electromagnetic switch valve 3 (C3) and the first electromagnetic switch valve 4 (C4) are opened; introducing the natural gas after the pressurization of the pressurizing unit (4 p) into A1 st rotation tank (A1), A2 nd rotation tank (A2), A3 rd rotation tank (A3) and A4 th rotation tank (A4) for storage;

s4-11, after the 1 st rotation tank (A1), the 2 nd rotation tank (A2), the 3 rd rotation tank (A3) and the 4 th rotation tank (A4) are stored to a preset natural gas storage capacity threshold; the correction controller sends closing control commands to the 1 st electromagnetic switch valve I (C1), the 2 nd electromagnetic switch valve I (C2), the 3 rd electromagnetic switch valve I (C3) and the 4 th electromagnetic switch valve I (C4), and the 1 st electromagnetic switch valve I (C1), the 2 nd electromagnetic switch valve I (C2), the 3 rd electromagnetic switch valve I (C3) and the 4 th electromagnetic switch valve I (C4) respectively receive the sent control commands for closing the 1 st electromagnetic switch valve I (C1), the 2 nd electromagnetic switch valve I (C2), the 3 rd electromagnetic switch valve I (C3) and the 4 th electromagnetic switch valve I (C4), and then the 1 st electromagnetic switch valve I (C1), the 2 nd electromagnetic switch valve I (C2), the 3 rd electromagnetic switch valve I (C3) and the 4 th electromagnetic switch valve I (C4) are closed.

8. The method for risk quantification assessment and profit maximization calculation assessment of coalbed methane yield according to claim 1, characterized in that it comprises the following steps in step S1:

s1-1, a cleaning controller sends a control command for opening a first electromagnetic valve I (1 i) to the first electromagnetic valve I (1 i) so that the first electromagnetic valve I (1 i) is opened, and uncleaned natural gas in a natural gas source is introduced into a sulfur removal tank (1 h);

when the natural gas introduced into the sulfur removal tank (1 h) is greater than or equal to a preset natural gas threshold value, the cleaning controller sends a control command for closing the first electromagnetic valve I (1 i) to the first electromagnetic valve I (1 i) so that the first electromagnetic valve I (1 i) is closed, and the natural gas is not introduced into the sulfur removal tank (1 h); the sulfur removal tank (1 h) removes impurity sulfur gas in the natural gas after the introduced natural gas is subjected to sulfur removal, and the next step is executed;

s1-2, the cleaning controller sends a control command for opening the first electromagnetic valve II (1 j) to the first electromagnetic valve II (1 j) so that the first electromagnetic valve II (1 j) is opened, and natural gas with impurity sulfur gas removed is introduced into a temporary storage tank (1 k); when the natural gas stored in the temporary storage tank (1 k) is greater than or equal to a preset temporary storage natural gas threshold value, executing the next step;

S1-3, the cleaning controller sends a control command for opening a first electromagnetic valve II (1 j) to a first electromagnetic valve IV (1 f) of the cleaning controller, so that the first electromagnetic valve IV (1 f) is opened, natural gas temporarily stored in a temporary storage tank (1 k) is introduced into a first water removal tank (1 l), the natural gas introduced into the first water removal tank (1 l) absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-4, the cleaning controller sends a control command for opening the first electromagnetic valve ten (1 o) to the first electromagnetic valve ten (1 o) so that the first electromagnetic valve ten (1 o) is opened, natural gas with water removed in the first water removal tank (1 l) is introduced into the filtering tank (1 u), solid small particles in the natural gas are filtered in the filtering tank (1 u), and the next step is executed; after filtering out small solid particles in the natural gas, the natural gas coming out of the filtering tank (1 u) is clean natural gas.

9. The risk quantification evaluation and profit maximization calculation evaluation method for coalbed methane yield according to claim 1, wherein after a preset time threshold t1, the first solenoid valve three (1 g), the first solenoid valve four (1 f), the first solenoid valve five (1 e), the first solenoid valve six (1 d), the first solenoid valve seven (1 c), the first solenoid valve eight (1 n), the first solenoid valve nine (1 p), the first solenoid valve ten (1 o), the first solenoid valve eleven (1 q), the first solenoid valve twelve (1 s), the first solenoid valve thirteen (1 t), the first solenoid valve fourteen (1 v), the first solenoid valve fifteen (1 x), the first solenoid valve sixteen (w) and the first solenoid valve seventeen (1 a) are in a closed state;

The steps S1-4 further comprise the following steps:

s1-5, the cleaning controller sends a control command for opening the first electromagnetic valve five (1 e) to the first electromagnetic valve five (1 e) so that the first electromagnetic valve five (1 e) is opened, natural gas temporarily stored in the temporary storage tank (1 k) is introduced into the second water removal tank (1 m), the natural gas introduced into the second water removal tank (1 m) absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-6, the cleaning controller sends a control command for opening the first electromagnetic valve eleven (1 q) to the first electromagnetic valve eleven (1 q) so that the first electromagnetic valve eleven (1 q) is opened, natural gas with water removed in the water removal tank II (1 m) is introduced into the filtering tank (1 u), solid small particles in the natural gas are filtered in the filtering tank (1 u), and the next step is executed; after filtering out solid small particles in the natural gas, the natural gas coming out of the filtering tank (1 u) is clean natural gas;

s1-8, the cleaning controller sends a control command for opening the first electromagnetic valve thirteen (1 t) to the first electromagnetic valve thirteen (1 t) so that the first electromagnetic valve thirteen (1 t) is opened, part of the cleaned natural gas is introduced into the heating tank (1 r), and when the temperature of the natural gas introduced into the heating tank (1 r) is greater than or equal to a preset natural gas temperature threshold value, the next step is executed;

S1-9, the cleaning controller sends a control command for opening the first electromagnetic valve eight (1 n) to the first electromagnetic valve eight (1 n) so that the first electromagnetic valve eight (1 n) is opened, and natural gas heated in a heating tank (1 r) is introduced into a first water removal tank (1 l) to execute the next step;

s1-10, the cleaning controller sends a control command for opening the first electromagnetic valve six (1 d) to the first electromagnetic valve six (1 d) so that the first electromagnetic valve six (1 d) is opened, natural gas introduced into the first water removal tank (1 l) is taken away from bottom to top, water absorbed by the first water removal tank (1 l) is introduced into the condensation tank (1 b), and the next step is executed;

s1-11, after the natural gas with moisture is introduced into a condensation tank (1 b) and the moisture in the natural gas is removed through condensation, a cleaning controller sends a control command for opening the first electromagnetic valve seventeen (1 a) to the first electromagnetic valve seventeen (1 a) so that the first electromagnetic valve seventeen (1 a) is opened, the natural gas coming out of the condensation tank (1 b) is the cleaning natural gas, and the condensed natural gas can also be introduced into a heating tank (1 r).

10. The risk quantification evaluation and profit maximization calculation evaluation method for coalbed methane yield according to claim 9, wherein after a preset time threshold t2, the first solenoid valve three (1 g), the first solenoid valve four (1 f), the first solenoid valve five (1 e), the first solenoid valve six (1 d), the first solenoid valve seven (1 c), the first solenoid valve eight (1 n), the first solenoid valve nine (1 p), the first solenoid valve ten (1 o), the first solenoid valve eleven (1 q), the first solenoid valve twelve (1 s), the first solenoid valve thirteen (1 t), the first solenoid valve fourteen (1 v), the first solenoid valve fifteen (1 x), the first solenoid valve sixteen (w) and the first solenoid valve seventeen (1 a) are in a closed state;

The steps S1-11 further comprise the following steps:

s1-12, the cleaning controller sends a control command for opening the first electromagnetic valve IV (1 f) to the first electromagnetic valve IV (1 f) so that the first electromagnetic valve IV (1 f) is opened, natural gas temporarily stored in the temporary storage tank (1 k) is introduced into the first water removal tank (1 l), the natural gas introduced into the first water removal tank (1 l) absorbs water vapor in the natural gas from top to bottom, and the next step is executed;

s1-13, the cleaning controller sends a control command for opening the first electromagnetic valve ten (1 o) to the first electromagnetic valve ten (1 o) so that the first electromagnetic valve ten (1 o) is opened, natural gas with water removed in the first water removal tank (1 l) is introduced into the filtering tank (1 u), solid small particles in the natural gas are filtered in the filtering tank (1 u), and the next step is executed; after filtering out solid small particles in the natural gas, the natural gas coming out of the filtering tank (1 u) is clean natural gas;

s1-14, the cleaning controller sends a control command for opening the first electromagnetic valve thirteen (1 t) to the first electromagnetic valve thirteen (1 t) so that the first electromagnetic valve thirteen (1 t) is opened, part of the cleaned natural gas is introduced into the heating tank (1 r), and when the temperature of the natural gas introduced into the heating tank (1 r) is greater than or equal to a preset natural gas temperature threshold value, the next step is executed;

S1-15, the cleaning controller sends a control command for opening the first electromagnetic valve nine (1 p) to the first electromagnetic valve nine (1 p) so that the first electromagnetic valve nine (1 p) is opened, natural gas heated in the heating tank (1 r) is introduced into the dewatering tank II (1 m), and the next step is executed;

s1-16, the cleaning controller sends a control command for opening the first electromagnetic valve seven (1 c) to the first electromagnetic valve seven (1 c) so that the first electromagnetic valve seven (1 c) is opened, natural gas introduced into the water removal tank II (1 m) is taken away from bottom to top, water absorbed by the water removal tank II (1 m) is introduced into the condensation tank (1 b), and the next step is executed;

s1-17, after the natural gas with moisture is introduced into a condensing tank (1 b) and the moisture in the natural gas is removed through condensation, the cleaning controller sends a control command for opening the first electromagnetic valve seventeen (1 a) to the first electromagnetic valve seventeen (1 a) so that the first electromagnetic valve seventeen (1 a) is opened, and the condensed natural gas can be introduced into a heating tank (1 r).