CN212618349U - Automatic combustion system for entering biogas into furnace of power plant - Google Patents
Automatic combustion system for entering biogas into furnace of power plant Download PDFInfo
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- CN212618349U CN212618349U CN202021631155.2U CN202021631155U CN212618349U CN 212618349 U CN212618349 U CN 212618349U CN 202021631155 U CN202021631155 U CN 202021631155U CN 212618349 U CN212618349 U CN 212618349U
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Abstract
The utility model discloses an automatic combustion system for putting marsh gas into a furnace in a power plant, which comprises a sludge furnace, wherein the sludge furnace is connected with a shutoff double valve group, the shutoff double valve group is provided with a connecting flowmeter, the connecting flowmeter is connected with a first valve, the first valve is connected with a pair of control valves and a main connecting pipeline, the pair of control valves are respectively connected with a first fan and a second fan through pipelines, the first fan and the second fan are respectively connected with a first flame arrester and a second flame arrester, the first flame arrester and the second flame arrester and the main connecting pipeline are connected with an isolation valve, the other side of the isolation valve is connected with a torch through pipelines, a pair of pressure transmitters are connected between the isolation valve and the first flame arrester as well as between the first fan and the second fan as well as between the first fan and the first valve, a pressure transmitter is connected between the shutoff double valve group and the sludge furnace, the methane quantity in the furnace is automatically controlled, the optimal operation condition of the sludge incinerator is adjusted, the purpose of treating waste by waste is realized, and the aims of energy conservation and emission reduction are achieved.
Description
Technical Field
The utility model relates to a marsh gas burning technical field specifically is a power plant marsh gas goes into stove automatic combustion system.
Background
The biogas fermentation is also called anaerobic digestion, and the normal fermentation process refers to a complex biochemical process of decomposing and metabolizing some waste crops such as straws, excrement, wood chips and the like by different types of microorganisms under certain moisture, temperature and anaerobic environment to finally form combustible mixed gas such as methane, carbon dioxide and the like; the sludge separated by the wastewater treatment system contains a large amount of residual biomass components, and the generated biogas is generally disposed in a combustion torch emptying manner after being fermented, so that energy waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power plant marsh gas goes into stove automatic combustion system, it can realize burning furnace and use marsh gas as the fuel, through the volume of automatic control automatically regulated marsh gas, reaches to burn burning furnace temperature stability, accomplishes marsh gas and burns.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic combustion system for putting biogas into a furnace in a power plant comprises a sludge furnace, wherein one side of the sludge furnace is connected with a shut-off double valve group through a pipeline, the other side of the shut-off double valve group is provided with a connecting flowmeter through a pipeline, the other side of the connecting flowmeter is connected with a first valve through a pipeline, the other side of the first valve is connected with a pair of control valves and a main connecting pipeline through pipelines, the pair of control valves are respectively connected with a first fan and a second fan through pipelines, the other sides of the first fan and the second fan are respectively connected with a first flame arrester and a second flame arrester through pipelines, the other sides of the first flame arrester, the second flame arrester and the main connecting pipeline are connected with an isolation valve through pipelines, the other side of the isolation valve is connected with a torch through a pipeline, and a pair of pressure transmitters are connected between the isolation valve and the first flame arrester and between the first fan and the second flame arrester, and a pressure transmitter is connected between the turn-off double valve group and the sludge furnace.
The further technical scheme is that a first nitrogen displacer is connected between the isolation valve and the first flame arrester and between the isolation valve and the second flame arrester, and the nitrogen displacer is a conventional device for biogas combustion.
A further technical scheme is that the first flame arrester, the second flame arrester, the first fan, the second fan, the first valve and the isolating valve are connected in parallel, and the flow can be controlled.
The further technical scheme is that a second nitrogen displacer, a pipeline drainer and an emptying valve are connected between the first fan and the second fan and the first valve, and the second nitrogen displacer, the pipeline drainer and the emptying valve are conventional equipment for methane combustion.
The other end of the emptying valve is also connected with a third flame arrester to prevent flame from deflagrating.
A pressure indicator and a pressure switch are further connected between the first fan, the second fan and the first valve.
Compared with the prior art, the beneficial effects of the utility model are that: according to the technology, the methane generated by the anaerobic reactor is boosted by the gas boosting system, so that the combustion in the furnace is automatically controlled to the methane entering the furnace, the optimal operation condition of the sludge incinerator is adjusted, the purpose of treating waste by waste is realized, and the aims of energy conservation and emission reduction are fulfilled.
Drawings
Fig. 1 is a flow chart of the utility model of a power plant methane furnace-entering automatic combustion system.
In the figure: 1-torch, 2-isolating valve, 3-first nitrogen displacer, 4-first flame arrester, 5-first fan, 6-second flame arrester, 7-second fan, 8-second nitrogen displacer, 9-pipeline drainer, 10-blow-down valve, 11-third flame arrester, 12-first valve, 13-flowmeter, 14-shutoff double valve group, 15-sludge furnace, 16-pressure transmitter, 17-pressure indicator, 18-pressure switch, 19-control valve, 20-main connecting pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an embodiment: an automatic combustion system for putting biogas into a furnace in a power plant comprises a sludge furnace 15, one side of the sludge furnace 15 is connected with a turn-off double valve group 14 through a pipeline, the other side of the turn-off double valve group 14 is provided with a connecting flowmeter 13 through a pipeline, the other side of the connecting flowmeter 13 is connected with a first valve 12 through a pipeline, the other side of the first valve 12 is connected with a pair of control valves 19 and a main connecting pipeline 20 through pipelines, the pair of control valves 19 are respectively connected with a first fan 5 and a second fan 7 through pipelines, the other sides of the first fan 5 and the second fan 7 are respectively connected with a first flame arrester 4 and a second flame arrester 6 through pipelines, the other sides of the first flame arrester 4, the second flame arrester 6 and the main connecting pipeline 20 are respectively connected with an isolation valve 2 through pipelines, the other side of the isolation valve 2 is connected with a torch 1 through a pipeline, a pair of pressure transmitters 16 are connected between the isolation valve 2 and the first flame arrester 4 and the second flame arrester 6, a pressure transmitter 16 is connected between the shut-off double valve group 14 and the sludge furnace 15.
A first nitrogen displacer 3 is also connected between the isolation valve 2 and the first flame arrester 4 and the second flame arrester 6, and is a conventional device for methane combustion. The first flame arrester 4 and the second flame arrester 6, the first fan 5 and the second fan 7 are connected with the first valve 12 and the isolating valve 2 in parallel, and the control of flow can be realized. A second nitrogen displacer 8, a pipeline drainer 9 and an emptying valve 10 are also connected between the first fan 5 and the second fan 7 and the first valve 12, and are conventional equipment for methane combustion. The other end of the emptying valve 10 is also connected with a third flame arrester 11 for preventing flame from exploding. A pressure indicator 17 and a pressure switch 18 are further connected between the first fan 5 and the second fan 7 and the first valve 12 and are common equipment instruments, the pressure indicator 17 displays a pressure value, and the pressure switch 18 can be widely used for measurement and control of gauge pressure and absolute pressure of various gases and liquids in the fields of petroleum, chemical industry, metallurgy, electric power, water supply and the like, and is an ideal intelligent measurement and control instrument for an industrial field.
The combustion process of the automatic combustion system for the methane entering the furnace in the power plant comprises the following steps: 1) a large amount of methane is generated by using a sludge furnace 15 and then enters a pressure transmitter 16 through a pipeline to adjust the pressure, and then enters a closing double-valve group 14 after the pressure is adjusted; 2) after entering the shut-off double valve group 14, the biogas enters the flow meter 13, so that the flow of the biogas can be displayed on the flow meter 13; 3) the pressure transmitted by a pair of pressure transmitters 16 which are connected in the middle is controlled by a first valve 12 valve body after passing through a flowmeter 13 to adjust the pressure; 4) the biogas after pressure adjustment in the pipeline enters a pair of control valves 19 and a main connecting pipeline 20 for shunting; 5) and enters a pair of pressure transmitters 16 to continuously adjust the pressure after passing through a first fan 5 and a second fan 7, a first flame arrester 4 and a second flame arrester 6 and a main connecting pipeline 20. 6) Finally, the mixture enters a torch 1 to be combusted and discharged.
The working principle is as follows: the biogas generated by the anaerobic reactor is boosted by the gas boosting system, then is conveyed to the gas main control unit after being processed by the conveying unit, the main control unit plays a role in putting and stopping the gas, and enters the combustion unit in the putting state to realize combustion in the furnace.
The flame arrester is also called a fire arrester, the flame arrester is used for preventing external flame from jumping into equipment and pipelines which are filled with inflammable and explosive gas or preventing flame from spreading between the equipment and the pipelines, and the shutoff double-valve group 14 is suitable for pipelines such as aviation kerosene, light oil, natural gas, liquefied gas, pipeline gas, chemical engineering media and the like and has a cooling effect by the first fan 5 and the second fan 7 as ideal devices for intercepting media.
The biogas generated by the anaerobic reactor is boosted by the gas boosting system and then is conveyed to the gas main control unit after being processed by the conveying unit, the main control unit plays a role in putting and stopping the gas, and the gas enters the combustion unit in a putting state to realize combustion in the furnace, wherein the gas boosting system comprises all pressure transmitters 16, the main control unit comprises a pipeline where the first flame arrester 4 and the second flame arrester 6 are located and a main connecting pipeline 20, and the dredging or closing of a single pipeline can be realized to realize the mastering of the biogas flow.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a power plant marsh gas automatic combustion system of going into stove which characterized in that: comprises a sludge furnace, one side of the sludge furnace is connected with a shutoff double-valve group through a pipeline, the other side of the shutoff double-valve group is connected with a flow meter through a pipeline, the other side of the connecting flowmeter is connected with a first valve through a pipeline, the other side of the first valve is connected with a pair of control valves and a main connecting pipeline through pipelines, the pair of control valves are respectively connected with a first fan and a second fan through pipelines, the other sides of the first fan and the second fan are respectively connected with a first flame arrester and a second flame arrester through pipelines, the first flame arrester, the second flame arrester and the other side of the main connecting pipeline are connected with an isolation valve through pipelines, the isolating valve is characterized in that the other side of the isolating valve is connected with a torch through a pipeline, a pair of pressure transmitters are connected between the isolating valve and the first flame arrester and between the isolating valve and the second flame arrester as well as between the first fan and the second fan and the first valve, and a pressure transmitter is connected between the turn-off double valve group and the sludge furnace.
2. The automatic combustion system for putting marsh gas into a furnace of a power plant as claimed in claim 1, wherein: and a first nitrogen displacer is also connected between the isolation valve and the first flame arrester and between the isolation valve and the second flame arrester.
3. The automatic combustion system for putting marsh gas into a furnace of a power plant as claimed in claim 1, wherein: the first flame arrester, the second flame arrester, the first fan, the second fan, the first valve and the isolating valve are connected in parallel.
4. The automatic combustion system for putting marsh gas into a furnace of a power plant as claimed in claim 1, wherein: and a second nitrogen displacer, a pipeline drainer and a vent valve are also connected between the first fan and the second fan and the first valve.
5. The automatic combustion system for putting marsh gas into furnace of power plant as claimed in claim 4, wherein: and the other end of the emptying valve is also connected with a third flame arrester.
6. The automatic combustion system for putting marsh gas into a furnace of a power plant as claimed in claim 1, wherein: and a pressure indicator and a pressure switch are also connected between the first fan and the second fan and the first valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631155.2U CN212618349U (en) | 2020-08-07 | 2020-08-07 | Automatic combustion system for entering biogas into furnace of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631155.2U CN212618349U (en) | 2020-08-07 | 2020-08-07 | Automatic combustion system for entering biogas into furnace of power plant |
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| Publication Number | Publication Date |
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| CN212618349U true CN212618349U (en) | 2021-02-26 |
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| CN202021631155.2U Active CN212618349U (en) | 2020-08-07 | 2020-08-07 | Automatic combustion system for entering biogas into furnace of power plant |
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| CN (1) | CN212618349U (en) |
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- 2020-08-07 CN CN202021631155.2U patent/CN212618349U/en active Active
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