CN211424453U

CN211424453U - Marsh gas bag exhaust pressure stabilizing device

Info

Publication number: CN211424453U
Application number: CN201921918923.XU
Authority: CN
Inventors: 王路平; 丁卫斌; 张滨
Original assignee: Taicang Lande Environmental Protection Technology Co ltd
Current assignee: Taicang Lande Environmental Protection Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-04
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a biogas bag exhaust pressure stabilizing device, which is positioned between a biogas bag and gas equipment, and comprises a booster fan and a pressure transmitter which are arranged on a biogas bag exhaust pipeline, wherein the booster fan is hermetically connected with a biogas bag gas outlet, and the pressure transmitter is connected with the gas equipment pipeline and monitors biogas pressure in the biogas bag exhaust pipeline in real time; and an electric signal is connected between the pressure transmitter and the booster fan, and the frequency converter receives the pressure signal of the exhaust pipeline transmitted by the pressure transmitter and regulates and controls the operating power or pressure of the booster fan. The biogas bag exhaust pressure stabilizing device is compact in structure, convenient and flexible to use, can realize automatic adjustment and constant pressure gas supply of the pressure of the biogas bag exhaust pipeline, saves the labor cost, is accurate in biogas pressure adjustment and control, reduces the failure rate of biogas supply, and improves the working efficiency of gas utilization equipment.

Description

Marsh gas bag exhaust pressure stabilizing device

Technical Field

The utility model relates to a pressure stabilizer, concretely relates to marsh gas bag exhaust pressure stabilizer belongs to marsh gas application apparatus technical field.

Background

During the energy treatment of the kitchen waste, the treatment of waste water and solid waste is commonly carried out by an anaerobic process, and the generated biogas is dehumidified, desulfurized, stored in a biogas bag, pumped into an exhaust pipeline by a biogas pump and conveyed to gas utilization equipment of various biogas sources. The existing biogas pump needs manual control for gas supply, and shows that field operators need to continuously adjust the frequency of a biogas booster fan according to different gas utilization equipment, the real-time performance and the accuracy of the adjustment and control process cannot be guaranteed, and the supply and demand requirements of each gas utilization equipment on biogas pressure cannot be met in real time.

For example, a biogas boiler needs a biogas pressure of 20KPa for normal operation, but the biogas demand is reduced in a blowing-out and pressure maintaining state, if no pressure stabilizer is provided, a booster fan works all the time to provide the biogas pressure, and if the frequency or power of the booster fan is not adjusted in time (manually), a pressure holding phenomenon occurs in an exhaust pipeline until the booster fan is overloaded, so that the failure rate of a biogas supply device is increased.

Disclosure of Invention

To the above defect or the improvement demand of prior art, the utility model provides a marsh gas bag exhaust voltage regulator device, compact structure, it is convenient, nimble to use, can realize the automatically regulated and the constant voltage air feed of marsh gas bag exhaust duct pressure, has saved human cost and marsh gas pressure regulation and control accuracy, has reduced the fault rate of marsh gas supply, has improved the work efficiency of gas appliances.

The purpose of the utility model is to realize through the following technical scheme:

the utility model discloses a biogas bag exhaust pressure stabilizing device, which is positioned between a biogas bag and gas equipment, and comprises a booster fan and a pressure transmitter which are arranged on a biogas bag exhaust pipeline, wherein the booster fan is hermetically connected with a biogas bag gas outlet, and the pressure transmitter is connected with the gas equipment pipeline and monitors biogas pressure in the biogas bag exhaust pipeline in real time; and an electric signal is connected between the pressure transmitter and the booster fan, and the frequency converter receives the pressure signal of the exhaust pipeline transmitted by the pressure transmitter and regulates and controls the operating power or pressure of the booster fan.

Further, the pressure of the biogas in the biogas air bag exhaust pipeline is 15KPa-20 KPa.

Further, the gas-using equipment is a generator of a biogas source or a heat supply boiler.

Furthermore, a pressure reducing and stabilizing valve for reducing the pressure of the methane is arranged at one end of the methane bag exhaust pipeline, which is connected with the generator air inlet in a sealing manner.

Further, the methane pressure at the air inlet of the generator is 10 KPa.

Further, the methane bag is also provided with a gas leakage monitoring device for monitoring the methane pressure in the pressure maintaining space.

Further, the gas leakage monitoring device comprises an alarm controller and a gas sensor communicated with the pressure maintaining space.

Compared with the prior art, the technical scheme of the utility model has following advantage:

the utility model provides a marsh gas bag exhaust pressure stabilizer, compact structure, it is convenient, nimble to use, can realize the automatically regulated and the constant voltage air feed of marsh gas bag exhaust duct pressure, has saved human cost and marsh gas pressure regulation and control accuracy, has reduced the fault rate of marsh gas supply, has improved the work efficiency of gas appliances.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the specific embodiments. The drawings are only for purposes of illustrating the particular embodiments and are not to be construed as limiting the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

wherein: 10. a biogas air bag exhaust pipeline; 11. a booster fan; 12. a pressure transmitter; 13. a pressure reducing and stabilizing valve; 20. a biogas bag; 21. an air outlet of the biogas bag; 22. a pressure maintaining space; 23. a gas leakage monitoring device; 30. a frequency converter; 41. a generator; 42. a heat supply boiler.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Examples of the embodiments are illustrated in the accompanying drawings, and the specific embodiments described in the following embodiments of the present invention are merely illustrative of the specific embodiments of the present invention, and are intended to be used for explaining the present invention, and not to constitute limitations of the present invention.

The utility model discloses a marsh gas bag exhaust pressure stabilizer, as shown in figure 1, be located between marsh gas bag 20 and the gas appliances, wherein, the gas appliances that use marsh gas as the power supply including gas appliances such as generator 41, heat supply boiler 42, the required marsh gas of different gas appliances pressure of admitting air is also different.

As shown in fig. 1, the biogas bag exhaust pressure stabilizing device includes a booster fan 11 and a pressure transmitter 12 which are arranged on a biogas bag exhaust pipeline 10, and the pressure transmitter 12 is used for monitoring biogas pressure in the biogas bag exhaust pipeline 10 in real time. In this embodiment, the biogas pressure in the biogas bag exhaust pipe 10 is 15KPa-20 KPa. The booster fan 11 is connected with the methane bag air outlet 21 in a sealing mode, and the pressure transmitter 12 is connected with gas equipment in a sealing mode through a pipeline.

As shown in fig. 1, a frequency converter 30 is electrically connected between the pressure transmitter 12 and the booster fan 11 through an electric wire, the pressure transmitter 12 transmits the collected biogas pressure in the biogas bag exhaust pipe 10 to the frequency converter 30 in real time, and the frequency converter 30 regulates and controls the operating power or pressure of the booster fan 11 in real time according to the exhaust pipe pressure signal transmitted by the pressure transmitter 12, so that the biogas pressure in the biogas bag exhaust pipe 10 is continuously stabilized to a set pressure range (in this embodiment, the set pressure range is 15KPa-20 KPa), the purposes of automatic biogas pipe pressure regulation and constant pressure gas supply are achieved, the labor cost is saved, the biogas pressure regulation and control are accurate, the failure rate of biogas supply is reduced, and the working efficiency of gas-using equipment is improved.

Further, the biogas inlet pressure required by the generator 41 and the heat supply boiler 42 is different, wherein the biogas pressure required by the heat supply boiler 42 is the same as the biogas pressure (15 KPa-20 KPa) in the biogas bag exhaust pipeline 10, and the biogas pressure at the air inlet of the generator 41 of the biogas source is required to be 10KPa, so as shown in fig. 1, a pressure reducing and stabilizing valve 13 is further arranged at one end of the biogas bag exhaust pipeline 10, which is connected with the air inlet of the generator in a sealing manner, and the pressure reducing and stabilizing valve 13 is used for reducing the biogas pressure in the biogas bag exhaust pipeline 10 to the biogas pressure (namely 10 KPa) required by the generator 41. The pressure reducing valve or the pressure stabilizing valve arranged at the air inlet end of each gas appliance can regulate and control the methane pressure in the methane bag exhaust pipeline to the pressure value required by each gas appliance so as to meet the use requirements of different gas appliances, and the use is convenient and flexible.

In addition, as shown in fig. 1, an air leakage monitoring device 23 is further disposed on the methane bag 20, and the air leakage monitoring device 23 is used for monitoring and alarming when methane in the pressure holding space 22 leaks. Wherein, the pressure maintaining space 22 is positioned in the biogas bag 20, and the gas leakage monitoring device 23 comprises an alarm controller and a gas sensor communicated with the pressure maintaining space 22. The alarm controller and the gas sensor can perform the monitoring and alarming functions thereof by using the common techniques known in the prior art, and are not described in detail herein.

To sum up, the utility model provides a marsh gas bag exhaust pressure stabilizing device, compact structure, it is convenient, nimble to use, can realize the automatically regulated and the constant voltage air feed of marsh gas bag exhaust duct pressure, has saved the human cost and marsh gas pressure regulation and control accuracy, has reduced the fault rate of marsh gas supply, has improved the work efficiency of gas appliances.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. The present embodiments are therefore to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned. In the claims, the word "comprising" does not exclude the presence of data or steps not listed in a claim.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A biogas bag exhaust pressure stabilizing device is positioned between a biogas bag (20) and gas equipment, and is characterized in that: the biogas bag exhaust pressure stabilizing device comprises a booster fan (11) and a pressure transmitter (12) which are arranged on a biogas bag exhaust pipeline (10), the booster fan (11) is hermetically connected with a biogas bag air outlet (21), and the pressure transmitter (12) is connected with a gas equipment pipeline and monitors biogas pressure in the biogas bag exhaust pipeline (10) in real time; still electric signal connection has converter (30) between pressure transmitter (12) and booster fan (11), converter (30) receive the exhaust duct pressure signal of pressure transmitter (12) transmission and regulation and control booster fan (11) operating power or pressure.

2. The biogas bag venting and pressure stabilizing device according to claim 1, characterized in that: the biogas pressure in the biogas air bag exhaust pipeline (10) is 15KPa-20 KPa.

3. The biogas bag venting and pressure stabilizing device according to claim 1, characterized in that: the gas-using equipment is a generator (41) of a biogas source or a heat supply boiler (42).

4. The biogas bag venting and pressure stabilizing device according to claim 3, characterized in that: and a pressure reducing and stabilizing valve (13) for reducing the pressure of the methane is also arranged at one end of the methane bag exhaust pipeline (10) which is hermetically connected with the generator air inlet.

5. The biogas bag venting and pressure stabilizing device according to claim 4, characterized in that: the biogas pressure at the air inlet of the generator is 10 KPa.

6. The biogas bag venting and pressure stabilizing device according to claim 1, characterized in that: and the biogas air bag (20) is also provided with a gas leakage monitoring device (23) for monitoring the biogas pressure in the pressure maintaining space (22).

7. The biogas bag venting and pressure stabilizing device of claim 6, wherein: the gas leakage monitoring device (23) comprises an alarm controller and a gas sensor communicated with the pressure maintaining space (22).