CN214621147U

CN214621147U - Sewage treatment methane tank level detection system

Info

Publication number: CN214621147U
Application number: CN202120806696.2U
Authority: CN
Inventors: 隆永明; 邓金城; 秦延浪
Original assignee: Chongqing Pengwei Petrochemical Co ltd
Current assignee: Chongqing Pengwei Petrochemical Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-05
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a sewage treatment methane tank level detection system, which comprises a first cabinet body, wherein the top end of the first cabinet body is provided with a second cabinet body, the middle inner side of the second cabinet body is horizontally clamped and provided with a piston, the periphery of the outer side of the top of the second cabinet body is uniformly provided with a plurality of inclination sensors, the top end of the second cabinet body is provided with a top plate, and the top end of the top plate is provided with a ventilation hood; a plurality of telescopic assemblies are arranged between the top of the first cabinet body and the bottom of the second cabinet body, a pressure relief assembly is arranged at the bottom of the first cabinet body, and a standby air collecting bag is connected and arranged at the bottom of the pressure relief assembly. Has the advantages that: by arranging the telescopic assembly and the pressure relief assembly, the problem that air pressure in the cabinet body is too high when the piston is blocked due to failure can be effectively solved; in addition, compare in the gradient that the tradition used differential pressure level gauge and radar level gauge to measure the gas holder, the utility model discloses a tilt sensor price is lower to can reach the purpose of practicing thrift the cost.

Description

Sewage treatment methane tank level detection system

Technical Field

The utility model relates to a gas holder storage field particularly, relates to a sewage treatment biogas cabinet level detection system.

Background

At present, in the field of gas holder storage, particularly in the aspect of sewage methane storage gas holders, a liquid level detection technology is generally adopted to indirectly measure the inclination of the gas holder. The adoption sets up 3 or 4 differential pressure type level gauges or radar level gauge and evenly arranges in the gas holder top, and the level gauge of several directions detects the liquid level and compares, and the liquid level is inconsistent thinks that the storage tank takes place the slope promptly. However, because different liquid level meters have detection errors, the precision of the mode of indirectly detecting the inclination of the gas holder through the liquid level is not high, and the inclination is considered to occur when the difference of the liquid level is 2% -3%. The detection accuracy and sensitivity are not high. If the gas holder is inclined and derailed in the lifting process and is further stuck, the central control device cannot find and process the gas holder in time. When the gas holder is derailed and clamped, the gas inflow is larger than the gas outflow and cannot be automatically discharged, the methane can be discharged from the water seal, the field personnel are possibly poisoned, and serious accidents such as explosion and the like can occur if a spark occurs.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a sewage treatment methane tank level detection system to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a sewage treatment methane tank level detection system comprises a first tank body, wherein a second tank body is arranged at the top end of the first tank body, a piston is horizontally clamped and connected to the inner side of the middle part of the second tank body, a plurality of limiting blocks are arranged on the circumference of the inner side of the middle part of the second tank body and above the piston, a plurality of inclination sensors are uniformly arranged on the circumference of the outer side of the top part of the second tank body, a tank top plate is arranged at the top end of the second tank body, and a ventilation hood is arranged at the top end of the tank top plate;

the intelligent cabinet comprises a cabinet body I, a cabinet body II and a cabinet body II, wherein a plurality of telescopic assemblies are arranged between the top of the cabinet body I and the bottom of the cabinet body II, a pressure relief assembly is arranged at the bottom of the cabinet body I, a standby air collecting bag is connected and arranged at the bottom of the pressure relief assembly, an air inlet pipe and a drain pipe are respectively arranged on two sides of the bottom of the cabinet body I, the cabinet body I is far away from one side of the standby air collecting bag, a junction box is connected and arranged, and a DCS cabinet is connected and arranged on one side of the junction box.

Furthermore, in order to facilitate the disassembly and the installation of the cabinet top plate, the top end of the cabinet body II is fixedly connected with the bottom end of the cabinet top plate through a plurality of hexagon bolts.

Further, in order to support and buffer the cabinet body two, the telescopic assembly comprises two sets of supporting rods which are vertically arranged on the inner side and the outer side of the cabinet body two respectively, a sleeve is sleeved on the outer side of the bottom of each supporting rod, the bottom of the sleeve is fixedly connected with the top of the cabinet body one, a spring I is sleeved on the outer side of the sleeve, the cross section of the bottom of the cabinet body two is of a trapezoid structure, and a guide groove matched with the bottom of the cabinet body two is formed in the top of the cabinet body one.

Furthermore, in order to prevent methane from leaking between the telescopic assemblies, a telescopic cover is arranged between the outer side of the top of the first cabinet body and the outer side of the bottom of the second cabinet body.

Furthermore, in order to achieve the purpose of automatic pressure relief, the pressure relief assembly comprises a shell transversely clamped at the bottom of the cabinet body, an adjusting bolt, a second spring and a sealing plug are sequentially clamped inside the shell from left to right, and an exhaust port communicated with the standby gas collecting bag is formed in the bottom of the shell.

Furthermore, in order to realize intelligent control, a plurality of inclination sensors are horizontally arranged around the outer side of the second cabinet body respectively, and the junction box is electrically connected with the inclination sensors and the DCS cabinet respectively.

The utility model has the advantages that:

(1) by arranging the telescopic assembly and the pressure relief assembly, the problem that air pressure in the cabinet body is too high when the piston is blocked due to failure can be effectively solved, and the telescopic assembly can play a role in buffering and shock absorption; in addition, compare in the gradient that the tradition used differential pressure level gauge and radar level gauge to measure the gas holder, the utility model discloses a tilt sensor price is lower to can reach the purpose of practicing thrift the cost.

(2) The utility model discloses the slope sensor measurement accuracy that uses is higher with sensitivity, not only overcomes differential pressure level gauge and draws the hidden danger that the pipe blockked up to freeze, also overcomes the radar level gauge and causes measuring error's problem because of the mounted position inconsistency.

(3) The liquid level meter is directly detected through the inclination sensor, the contrast measurement of a plurality of liquid level meters is not needed, the reaction speed is higher in the reverse detection mode, and the measurement accuracy is higher.

(4) The utility model discloses the slope sensor installation is simple and convenient operation, only needs external evenly distributed to install the gas holder top, need not to open the flange mounting hole on the gas holder to the installation degree of difficulty has been reduced and installation time has been saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a horizontal detection system of a sewage treatment methane tank according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a top view of a sewage treatment methane tank level detection system according to an embodiment of the present invention.

In the figure:

1. a first cabinet body; 2. a second cabinet body; 3. a piston; 4. a limiting block; 5. a tilt sensor; 6. a cabinet top plate; 7. a ventilator cap; 8. a telescoping assembly; 801. a support bar; 802. a sleeve; 803. a first spring; 9. a pressure relief assembly; 901. a housing; 902. adjusting the bolt; 903. a second spring; 904. a sealing plug; 905. an exhaust port; 10. a standby air collecting bag; 11. an air inlet pipe; 12. a drain pipe; 13. a junction box; 14. a DCS cabinet; 15. a hexagon bolt; 16. a telescopic cover.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, a sewage treatment methane cabinet level detection system is provided.

The present invention is further explained by referring to the accompanying drawings and the detailed description, as shown in fig. 1-4, according to the horizontal detection system of the sewage treatment methane tank of the embodiment of the present invention, the horizontal detection system comprises a first tank body 1, a second tank body 2 is arranged on the top end of the first tank body 1, a piston 3 is horizontally clamped and connected to the inner side of the middle part of the second tank body 2, a plurality of stoppers 4 are arranged on the circumference of the inner side of the middle part of the second tank body 2 and above the piston 3, a plurality of tilt sensors 5 are uniformly arranged on the circumference of the outer side of the top part of the second tank body 2, a tank top plate 6 is arranged on the top end of the second tank body 2, and a ventilation hood 7 is arranged on the top end of the tank top plate 6;

wherein, the top of the cabinet body 1 with be provided with a plurality of flexible subassemblies 8 between the bottom of the cabinet body two 2, the bottom of the cabinet body 1 is provided with pressure release subassembly 9, the bottom of pressure release subassembly 9 is connected and is provided with reserve album gasbag 10, just the bottom both sides of the cabinet body 1 are provided with intake pipe 11 and drain pipe 12 respectively, the cabinet body 1 is kept away from one side connection of reserve album gasbag 10 is provided with junction box 13, one side connection of junction box 13 is provided with DCS rack 14.

Specifically, the utility model discloses an inclination sensor model be AVT2800T, it is that maike's sensing technology promotes a standard industry full temperature to mend super high accuracy analog output biax inclination sensor, standard voltage 24V, electric current 4 ~ 20mA, RS232 CAN output simultaneously, CAN long distance transmission 2000 meters; the DCS cabinet 14 can directly display the inclination, and rapid detection display and alarm are realized.

By means of the scheme, the problem that air pressure in the cabinet body is too high when the piston 3 is stuck due to a fault can be effectively solved by arranging the telescopic assembly 8 and the pressure relief assembly 9, and the telescopic assembly 8 can play a role in buffering and damping; in addition, compare in the gradient that the tradition used differential pressure level gauge and radar level gauge to measure the gas holder, the utility model discloses a 5 price are lower for the slope sensor to can reach the purpose of practicing thrift the cost.

In one embodiment, the top end of the second cabinet body 2 is fixedly connected with the bottom end of the top cabinet plate 6 through a plurality of hexagon bolts 15, so that the top cabinet plate 6 is convenient to detach and mount.

In one embodiment, the telescopic assembly 8 comprises two sets of supporting rods 801 vertically arranged on the inner side and the outer side of the cabinet body two 2 respectively, the bottom outer side of each supporting rod 801 is sleeved with a sleeve 802, the bottom end of each sleeve 802 is fixedly connected with the top end of the cabinet body one 1, a spring one 803 is sleeved on the outer side of each sleeve 802, the cross section of the bottom of the cabinet body two 2 is of a trapezoid structure, the top of the cabinet body one 1 is provided with a guide groove matched with the bottom of the cabinet body two 2, and therefore the spring one 803 can be utilized to buffer the cabinet body two 2.

In one embodiment, a telescopic cover 16 is arranged between the top outer side of the first cabinet body 1 and the bottom outer side of the second cabinet body 2, so that methane can be prevented from leaking between the telescopic assemblies 8.

In one embodiment, the pressure relief assembly 9 includes a casing 901 transversely clamped to the bottom of the cabinet body 1, an adjusting bolt 902, a second spring 903 and a sealing plug 904 are sequentially clamped in the casing 901 from left to right, and an exhaust port 905 communicated with the standby air collecting bag 10 is formed in the bottom of the casing 901, so that the purpose of automatic pressure relief can be achieved.

In one embodiment, the plurality of inclination sensors 5 are horizontally arranged around the outer side of the second cabinet body 2, and the junction box 13 is electrically connected with the inclination sensors 5 and the DCS cabinet 14, so that intelligent control can be realized.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, four inclination sensors 5 are uniformly arranged in four directions of the southeast, the west and the north of the top of the circular gas holder, signals are transmitted to the DCS cabinet 14 through shielded cables, data acquisition is carried out through an AI channel of the DCS cabinet 14, inclination display is carried out on a picture of the DCS cabinet 14, an alarm range can be set, when an alarm value is reached, the inclination of the gas holder is broadcasted in time by using system voice of the DCS cabinet 14, so that an operator is reminded to check and dispose in time, and the situation is prevented from being enlarged; if the gas holder takes place when slope operating personnel in time handles, the inside atmospheric pressure of gas holder can rise, piston 3 can continuously exert pressure for cabinet body one 1 this moment, thereby make the bottom of cabinet body one 1 rise along the top of cabinet body two 2, the storage space between cabinet body one 1 and the cabinet body two 2 can increase this moment, thereby realize the effect of decompression, when atmospheric pressure continues to increase, atmospheric pressure can promote sealing plug 904 and remove left this moment, and when sealing plug 904 bodily movement to the left side of gas vent 905, unnecessary atmospheric pressure then can be discharged and utilize reserve air bag 10 to carry out interim storage through gas vent 905, thereby reach the effect of further decompression.

In summary, with the aid of the technical solution of the present invention, by providing the telescopic assembly 8 and the pressure relief assembly 9, the problem of excessive air pressure inside the cabinet when the piston 3 is stuck due to a fault can be effectively solved, and the telescopic assembly 8 can play a role in buffering and damping; in addition, compare in the gradient that the tradition used differential pressure level gauge and radar level gauge to measure the gas holder, the utility model discloses a 5 price are lower for the slope sensor to can reach the purpose of practicing thrift the cost.

Furthermore, the utility model discloses the slope sensor 5 measurement accuracy and the sensitivity that use are higher, not only overcome differential pressure level gauge and draw the hidden danger that the pipe blockked up freezing, also overcome the radar level gauge and cause measuring error's problem because of the mounted position inconsistency.

In addition, the detection is directly carried out through the inclination sensor 5, the contrast measurement of a plurality of liquid level meters is not needed, and the reaction speed is higher and the measurement accuracy is higher.

Furthermore, the utility model discloses slope sensor 5 installs simply and convenient operation, only needs external evenly distributed to install the gas holder top, need not to open the flange mounting hole on the gas holder to the installation degree of difficulty has been reduced and installation time has been saved.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sewage treatment methane cabinet level detection system is characterized by comprising a cabinet body I (1), wherein a cabinet body II (2) is arranged at the top end of the cabinet body I (1), a piston (3) is horizontally clamped and connected to the inner side of the middle part of the cabinet body II (2), a plurality of limiting blocks (4) are arranged on the inner side of the middle part of the cabinet body II (2) and on the circumference above the piston (3), a plurality of inclination sensors (5) are uniformly arranged on the circumference of the outer side of the top part of the cabinet body II (2), a cabinet top plate (6) is arranged at the top end of the cabinet body II (2), and a ventilation hood (7) is arranged at the top end of the cabinet top plate (6);

wherein, the top of the cabinet body one (1) with be provided with a plurality of flexible subassemblies (8) between the bottom of the cabinet body two (2), the bottom of the cabinet body one (1) is provided with pressure release subassembly (9), the bottom of pressure release subassembly (9) is connected and is provided with reserve air collecting bag (10), just the bottom both sides of the cabinet body one (1) are provided with intake pipe (11) and drain pipe (12) respectively, keep away from in the cabinet body one (1) one side of reserve air collecting bag (10) is connected and is provided with junction box (13), one side connection of junction box (13) is provided with DCS rack (14).

2. The sewage treatment methane tank level detection system according to claim 1, wherein the top end of the second tank body (2) is fixedly connected with the bottom end of the top plate (6) through a plurality of hexagon bolts (15).

3. The sewage treatment methane tank level detection system according to claim 1 or 2, wherein the telescopic assembly (8) comprises two sets of support rods (801) vertically arranged on the inner side and the outer side of the second tank body (2), a sleeve (802) is sleeved on the outer side of the bottom of each support rod (801), the bottom end of each sleeve (802) is fixedly connected with the top end of the first tank body (1), a first spring (803) is sleeved on the outer side of each sleeve (802), the section of the bottom of the second tank body (2) is of a trapezoid structure, and a guide groove matched with the bottom of the second tank body (2) is formed in the top of the first tank body (1).

4. The sewage treatment methane tank level detection system according to claim 1, wherein a telescopic cover (16) is arranged between the outer side of the top of the first tank body (1) and the outer side of the bottom of the second tank body (2).

5. The sewage treatment methane tank level detection system according to claim 1, wherein the pressure relief assembly (9) comprises a housing (901) transversely clamped to the bottom of the tank body I (1), an adjusting bolt (902), a second spring (903) and a sealing plug (904) are sequentially clamped in the housing (901) from left to right, and an exhaust port (905) communicated with the standby air collecting bag (10) is formed in the bottom of the housing (901).

6. The sewage treatment methane cabinet level detection system according to claim 1, wherein a plurality of the tilt sensors (5) are horizontally disposed around the outer side of the second cabinet body (2), and the junction box (13) is electrically connected to the tilt sensors (5) and the DCS cabinet (14), respectively.