CN213712656U

CN213712656U - Movable pressure-regulating integrated gas supply equipment

Info

Publication number: CN213712656U
Application number: CN202022880188.7U
Authority: CN
Inventors: 周闯; 刘伟; 王欣
Original assignee: Energy and Environment Research Institute of Heilongjiang Province
Current assignee: Energy and Environment Research Institute of Heilongjiang Province
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-16
Anticipated expiration: 2030-12-02

Abstract

A movable pressure-regulating integrated gas supply device belongs to the field of gas supply devices. The utility model solves the problems that the prior methane pressure reducing equipment is inconvenient to move, a factory building needs to be built independently, a large amount of manpower and material resources are consumed, and the released methane can cause atmospheric pollution. The utility model discloses a gas cylinder group, the hose, first ball valve, the filter, one-level pressure regulating portion, electric heater, second grade pressure regulating portion, the desulfurizing tower, first flowmeter, second flowmeter and tertiary pressure regulating portion, gas cylinder group passes through the hose connection with first ball valve, first ball valve is connected with the filter, the filter is connected with electric heater, electric heater is connected with one-level pressure regulating portion, the output of one-level pressure regulating portion is connected with electric heater's input, electric heater is connected with second grade pressure regulating portion, second grade pressure regulating portion is connected with the desulfurizing tower, the output of desulfurizing tower is connected with tertiary pressure regulating portion and second flowmeter respectively, the output and the first flowmeter of tertiary pressure regulating portion are connected.

Description

Movable pressure-regulating integrated gas supply equipment

Technical Field

The utility model belongs to an integrated air feeder of portable pressure regulating belongs to the air feeder field.

Background

At present, domestic pressure reduction integrated equipment aiming at biogas is relatively short, the existing pressure reduction equipment is generally designed aiming at natural gas, pressure reduction equipment aiming at biogas is not common, and the existing biogas pressure reduction equipment has the following defects to wait for improvement:

1. the existing methane pressure reducing equipment does not have a methane desulfurization link, and long-time use of sulfur-containing methane is not beneficial to the service life of a rear-end gas pipeline and combustion equipment, so that the gas pipeline and the combustion equipment are easily damaged, and the personal safety is seriously threatened;

2. the existing methane pressure reduction equipment needs to independently build an equipment factory building, the equipment factory building occupies a large area, the construction amount is large, and a large amount of resources and manpower are consumed;

3. the existing methane pressure reducing equipment is inconvenient to move, and when methane is needed to be temporarily used in some places, the existing methane pressure reducing equipment cannot be provided at any time;

4. when the existing methane pressure reduction equipment is used for reducing the pressure of methane, if the pressure in a pipeline is too high, the safety pressure release valve can directly discharge the methane to the atmosphere, the methane has high pollution to the atmosphere, and the environment and ecological balance can be influenced after long-time use.

In view of the above, there is a need for a gas supply device that can be moved at any time, can process the released biogas in time, does not require a separate plant, and does not damage the rear gas pipeline and the combustion device when used for a long time, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an inconvenient removal, the need of existing marsh gas relief pressure equipment existence at present build the factory building alone, consume a large amount of manpower and materials and the marsh gas of releasing can cause the problem of atmospheric pollution, to the not enough of prior art, the utility model discloses an "integrated air feeder of pressure regulating when removing". A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

a movable pressure-regulating integrated gas supply device comprises a gas cylinder group, a hose, a first ball valve, a filter and a primary pressure regulating part, the electric heater, second grade accent splenium, the desulfurizing tower, first flowmeter, second flowmeter and tertiary accent splenium, the output of gas cylinder group passes through the hose and is connected with the input of first ball valve, the output of first ball valve is connected with the input of filter, the output of filter is connected with electric heater's input, electric heater's output and the input of one-level accent splenium are connected, the output of one-level accent splenium is connected with electric heater's input, electric heater's output and the input of second grade accent splenium are connected, the output of second grade accent splenium is connected with the input of desulfurizing tower, the output of desulfurizing tower is connected with the input of tertiary accent splenium and second flowmeter respectively, the output of tertiary accent splenium is connected with first flowmeter.

Furthermore, the first-stage voltage regulating part comprises four voltage regulators which are connected in parallel, and the second-stage voltage regulating part and the third-stage voltage regulating part respectively comprise one voltage regulator.

Furthermore, the input end of the primary pressure regulating part is connected with a first temperature sensor and a first pressure gauge, and the output end of the primary pressure regulating part is connected with a second pressure sensor.

Furthermore, a quick connector is arranged between the output end of the hose and the input end of the first ball valve.

Furthermore, a first safety valve is installed between the first ball valve and the filter, a second safety valve is installed between the output end of the electric heater and the input end of the first-stage pressure regulating part, a third safety valve is installed between the input end of the electric heater and the output end of the first-stage pressure regulating part, a fourth safety valve is installed between the second-stage pressure regulating part and the desulfurizing tower, a fourth pressure sensor is installed between the third-stage pressure regulating part and the first flowmeter, and a fifth safety valve is installed at the output end of the first flowmeter.

Furthermore, the first safety valve, the second safety valve, the third safety valve, the fourth safety valve and the fifth safety valve are gathered together through a first pipeline and connected with a torch, and a flow sensor is installed between the torch and the first pipeline.

Furthermore, an odorizing device is installed at the output end of the desulfurizing tower, the output end of the odorizing device is connected with the input end of the third-stage pressure regulating part, and a hydrogen sulfide sensor and a second emergency cut-off valve are installed between the odorizing device and the third-stage pressure regulating part.

Further, a first emergency cut-off valve and a first pressure sensor are installed between the output end of the first ball valve and the input end of the electric heater.

Furthermore, a second temperature sensor is arranged between the output end of the electric heater and the input end of the second-stage pressure regulating part, and a third pressure sensor and a second pressure gauge are arranged between the output end of the second-stage pressure regulating part and the input end of the desulfurizing tower.

The utility model has the advantages that:

1. through the movable pressure-regulating integrated gas supply equipment, the requirement of individual areas for continuous biogas is effectively met, the biogas can be supplied at any time, and a factory building is not required to be built;

2. by the movable pressure-regulating integrated gas supply equipment, the marsh gas discharged from the pipeline can be combusted and discharged by the torch of the gas supply equipment, so that the atmosphere is not polluted compared with the direct discharge of the marsh gas;

3. install the desulfurizing tower additional in gas supply equipment, effectively get rid of the sulphur in the marsh gas, avoid the influence of sulphur-containing marsh gas to rear end gas pipeline and combustion apparatus, improve gas pipeline and combustion apparatus's life, avoid gas pipeline and combustion apparatus to use the danger that the damage produced for a long time.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a mobile pressure-regulating integrated gas supply device;

FIG. 2 is a schematic structural diagram of the primary pressure regulating part;

in the figure, 1-a gas cylinder group, 2-a unloading hose, 3-a first ball valve, 4-a first emergency cut-off valve, 5-a first safety valve, 6-a filter, 7-a first pressure sensor, 8-a quick joint, 9-a primary pressure regulating part, 10-a first temperature sensor, 11-a first pressure gauge, 12-an electric heater, 13-a second safety valve, 14-a third safety valve, 15-a second pressure sensor, 16-a pressure regulator, 17-a second temperature sensor, 18-a secondary pressure regulating part, 19-a third pressure sensor, 20-a second pressure gauge, 21-a fourth safety valve, 22-a desulfurizing tower, 23-an odorizer, 24-a hydrogen sulfide sensor, 25-a second emergency cut-off valve and 26-a first flow meter, 27-a second flowmeter, 28-a third-stage pressure regulating part, 29-a fifth safety valve, 30-a fourth pressure sensor, 31-a torch, 32-a flow sensor and 34-a first pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1-2, and the mobile pressure-regulating integrated gas supply device of the embodiment includes a gas cylinder group 1, a hose 2, a first ball valve 3, a filter 6, a first-stage pressure regulating portion 9, an electric heater 12, a second-stage pressure regulating portion 18, a desulfurizing tower 22, a first flow meter 26, a second flow meter 27 and a third-stage pressure regulating portion 28, an output end of the gas cylinder group 1 is connected with an input end of the first ball valve 3 through the hose 2, an output end of the first ball valve 3 is connected with an input end of the filter 6, an output end of the filter 6 is connected with an input end of the electric heater 12, an output end of the electric heater 12 is connected with an input end of the first-stage pressure regulating portion 9, an output end of the first-stage pressure regulating portion 9 is connected with an input end of the electric heater 12, an output end of the electric heater 12 is connected with an input end, the output end of the desulfurizing tower 22 is respectively connected with the input ends of a third-stage pressure regulating part 28 and a second flowmeter 27, the output end of the third-stage pressure regulating part 28 is connected with a first flowmeter 26, the gas cylinder group 1 compresses produced biogas to the gas cylinder group 1 through a compressor in a biogas engineering site, and each group comprises nine bottles. The filling pressure of each bottle is 205L, the gas bottle group 1 is connected to a first ball valve 3 through a hose 2, the first ball valve 3 is opened, the methane in the gas bottle group 1 flows into a filter 6, the filter 6 filters solid impurities in the methane, the filtered methane enters an electric heater 12, the power of the electric heater 12 is 8kw, the electric heater 12 is used for keeping the temperature of the methane constant, the methane enters a primary pressure regulating part 9 through a pipeline, the pressure value of the methane is regulated from 20Mpa to 2-4Mpa by the primary pressure regulating part 9, the temperature of the methane is kept constant when the pressure-regulated methane enters the electric heater 12, the methane flows out of the electric heater 12 and flows into a secondary pressure regulating part 18, the methane flows from 2-4Mpa to 0.2-0.4Mpa by the secondary pressure regulating part 18, the pressure-regulated methane enters a desulfurizing tower 22 for desulfurization treatment, the desulfurized biogas enters a third-stage pressure regulating part 28 and a second flowmeter 27 through pipelines respectively, enters the third-stage pressure regulating part 28 for carrying out third-stage pressure regulation, the third-stage pressure regulating part 28 presses the biogas into 2-6Kpa strips by 0.2-0.4Mpa, the biogas after the third-stage pressure regulation enters a first flowmeter 16 and then flows out in two ways, one way is connected to a biogas boiler for supplying heat, the other way is connected to a biogas generator for generating electricity, the biogas in the second flowmeter 27 is connected to a gas supply pressure regulating box, and the pressure of the gas supply pressure regulating box is regulated to 2-4Kpa for cooking and gas supply of farmers.

The second embodiment is as follows: the embodiment is described with reference to fig. 1-2, and the primary pressure regulating portion 9 of the embodiment includes four pressure regulators 16, the four pressure regulators 16 are connected in parallel, the secondary pressure regulating portion 18 and the tertiary pressure regulating portion 28 are respectively composed of one pressure regulator 16, and the primary pressure regulating portion 9 has a larger regulating pressure value for the biogas, so that the four pressure regulators 16 are connected in parallel for regulation.

The third concrete implementation mode: the embodiment is described with reference to fig. 1-2, and the mobile pressure-regulating integrated gas supply device of the embodiment is characterized in that an input end of the primary pressure-regulating portion 9 is connected with a first temperature sensor 10 and a first pressure gauge 11, an output end of the primary pressure-regulating portion 9 is connected with a second pressure sensor 15, the first temperature sensor 10 and the first pressure gauge 11 are installed at the input end of the primary pressure-regulating portion 9, the temperature and the pressure of the methane before pressure regulation are detected, the second pressure sensor 15 is installed at the output end of the primary pressure-regulating portion 9, and whether the pressure value of the methane output after pressure regulation is greater than 2Mpa or not is detected.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1-2, and a quick coupling 8 is installed between the output end of the hose 2 and the input end of the first ball valve 3, and the quick coupling 8 is installed at the end of the hose 2, so as to facilitate quick connection between the gas cylinder set 1 and the gas supply device.

The fifth concrete implementation mode: in the embodiment, a first safety valve 5 is installed between the first ball valve 3 and the filter 6, a second safety valve 13 is installed between the output end of the electric heater 12 and the input end of the primary pressure regulating portion 9, a third safety valve 14 is installed between the input end of the electric heater 12 and the output end of the primary pressure regulating portion 9, a fourth safety valve 21 is installed between the secondary pressure regulating portion 18 and the desulfurizing tower 22, a fourth pressure sensor 30 is installed between the tertiary pressure regulating portion 28 and the first flow meter 26, and a fifth safety valve 29 is installed at the output end of the first flow meter 26.

The sixth specific implementation mode: the embodiment is described with reference to fig. 1-2, and the first safety valve 5, the second safety valve 13, the third safety valve 14, the fourth safety valve 21 and the fifth safety valve 29 are gathered together through a first pipeline 34 and connected with a torch 31, a flow sensor 32 is installed between the torch 31 and the first pipeline 34, the five safety valves on the gas supply device are gathered together and led to the torch 31 through the first pipeline 34, and when the flow sensor 32 at the torch 31 detects that the gas flow meets the ignition requirement, the torch 31 is automatically ignited, so that methane is prevented from being directly discharged to the atmosphere.

The seventh embodiment: the embodiment is described with reference to fig. 1-2, and a mobile pressure-regulating integrated gas supply device of the embodiment is characterized in that an odorizer 23 is installed at an output end of a desulfurizing tower 22, an output end of the odorizer 23 is connected with an input end of a third-stage pressure-regulating part 28, a hydrogen sulfide sensor 24 and a second emergency cut-off valve 25 are installed between the odorizer 23 and the third-stage pressure-regulating part 28, desulfurized biogas enters the odorizer 23 for odorization, a main component in the odorizer 23 is a tetrahydrothiophene mixture, when natural gas leaks, odorizing natural gas is performed for people to find easily, the odorizing standard is that the odorizing standard can be detected when the odorizing standard reaches an explosion lower limit concentration, the odorized gas flows into the third-stage pressure-regulating part 28 through the hydrogen sulfide sensor 24 for detecting the concentration of hydrogen sulfide in the gas, and the second emergency cut-off valve 25 is additionally installed between the odorizer 23 and the third-stage pressure, when the gas leaks or does not reach the standard, emergency cut-off can be carried out.

The specific implementation mode is eight: the embodiment is described with reference to fig. 1-2, and a first quick disconnect valve 4 and a first pressure sensor 7 are installed between the output end of the first ball valve 3 and the input end of the electric heater 12, the first quick disconnect valve 4 is used for preventing the gas which just enters from being dangerous due to over-pressure or leakage, and is used for cutting off the gas in a quick disconnect manner, and the first pressure sensor 7 is used for monitoring the pressure of the gas which just enters.

The specific implementation mode is eight: the embodiment is described with reference to fig. 1-2, and a mobile pressure-regulating integrated gas supply device of the embodiment is provided, wherein a second temperature sensor 17 is installed between an output end of the electric heater 12 and an input end of the second-stage pressure-regulating portion 18, a third pressure sensor 19 and a second pressure gauge 20 are installed between an output end of the second-stage pressure-regulating portion 18 and an input end of the desulfurizing tower 22, the second temperature sensor 17 is used for detecting a gas temperature passing through the electric heater 12 after pressure regulation, so as to avoid danger caused by over-high or over-low temperature, the third pressure sensor 19 is used for monitoring a gas pressure value after the second-stage pressure regulation, and the second pressure gauge 20 is used for detecting a gas pressure value after the second-.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. The utility model provides an integrated air feeder of portable pressure regulating which characterized in that: comprises a gas cylinder group (1), a hose (2), a first ball valve (3), a filter (6), a first-stage pressure regulating part (9), an electric heater (12), a second-stage pressure regulating part (18), a desulfurizing tower (22), a first flowmeter (26), a second flowmeter (27) and a third-stage pressure regulating part (28), wherein the output end of the gas cylinder group (1) is connected with the input end of the first ball valve (3) through the hose (2), the output end of the first ball valve (3) is connected with the input end of the filter (6), the output end of the filter (6) is connected with the input end of the electric heater (12), the output end of the electric heater (12) is connected with the input end of the first-stage pressure regulating part (9), the output end of the first-stage pressure regulating part (9) is connected with the input end of the electric heater (12), the output end of the electric heater (12) is connected with the input end of the second-stage pressure regulating part (18), the output end of, the output end of the desulfurizing tower (22) is respectively connected with the input ends of the three-stage pressure regulating part (28) and the second flowmeter (27), and the output end of the three-stage pressure regulating part (28) is connected with the first flowmeter (26).

2. The integrated gas supply equipment of portable pressure regulating of claim 1, characterized in that: the primary pressure regulating part (9) comprises four pressure regulators (16), the four pressure regulators (16) are connected in parallel, and the secondary pressure regulating part (18) and the tertiary pressure regulating part (28) are respectively composed of one pressure regulator (16).

3. The integrated gas supply equipment of portable pressure regulating of claim 2, characterized in that: the input end of the first-stage pressure regulating part (9) is connected with a first temperature sensor (10) and a first pressure gauge (11), and the output end of the first-stage pressure regulating part (9) is connected with a second pressure sensor (15).

4. The integrated gas supply equipment of portable pressure regulating of claim 3, characterized in that: and a quick connector (8) is arranged between the output end of the hose (2) and the input end of the first ball valve (3).

5. The integrated gas supply equipment of portable pressure regulating of claim 4, characterized in that: install first relief valve (5) between first ball valve (3) and filter (6), install second relief valve (13) between the output of electric heater (12) and the input of one-level pressure regulating portion (9), install third relief valve (14) between the input of electric heater (12) and the output of one-level pressure regulating portion (9), install fourth relief valve (21) between second grade pressure regulating portion (18) and desulfurizing tower (22), install fourth pressure sensor (30) between tertiary pressure regulating portion (28) and first flowmeter (26), fifth relief valve (29) are installed to the output of first flowmeter (26).

6. The integrated gas supply equipment of portable pressure regulating of claim 5, characterized in that: the first safety valve (5), the second safety valve (13), the third safety valve (14), the fourth safety valve (21) and the fifth safety valve (29) are gathered together through a first pipeline (34) to be connected with a torch (31), and a flow sensor (32) is installed between the torch (31) and the first pipeline (34).

7. The integrated gas supply equipment of portable pressure regulating of claim 6, characterized in that: the output end of the desulfurizing tower (22) is provided with the odorizing device (23), the output end of the odorizing device (23) is connected with the input end of the three-stage pressure regulating part (28), and a hydrogen sulfide sensor (24) and a second emergency cut-off valve (25) are arranged between the odorizing device (23) and the three-stage pressure regulating part (28).

8. The integrated gas supply equipment of portable pressure regulating of claim 7, characterized in that: a first emergency cut-off valve (4) and a first pressure sensor (7) are installed between the output end of the first ball valve (3) and the input end of the electric heater (12).

9. The integrated gas supply equipment of portable pressure regulating of claim 8, characterized in that: and a second temperature sensor (17) is arranged between the output end of the electric heater (12) and the input end of the secondary pressure regulating part (18), and a third pressure sensor (19) and a second pressure gauge (20) are arranged between the output end of the secondary pressure regulating part (18) and the input end of the desulfurizing tower (22).