CN215408875U - Integrated power generation device integrating diesel oil and coal bed gas - Google Patents
Integrated power generation device integrating diesel oil and coal bed gas Download PDFInfo
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- CN215408875U CN215408875U CN202121939777.6U CN202121939777U CN215408875U CN 215408875 U CN215408875 U CN 215408875U CN 202121939777 U CN202121939777 U CN 202121939777U CN 215408875 U CN215408875 U CN 215408875U
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Abstract
The utility model provides a diesel oil and coal bed gas integrated power generation device, which comprises a diesel oil power generation assembly and a control assembly which are connected with each other, wherein the control assembly is also connected with the coal bed gas power generation assembly; the coal bed gas power generation assembly comprises a gas engine and an alternating current generator which are sequentially connected; the output end of the alternating current generator is connected with the control assembly, the gas inlet pipeline of the gas engine is connected with the coal bed gas output pipeline of the purification back pressure system, and the purification back pressure system is provided with a coal bed gas input pipeline. This integrative power generation facility is synthesized to diesel oil and coal bed gas not only can solve the production and the domestic power consumption problem of exploitation scene, can eliminate environmental pollution and conflagration hidden danger problem with coal bed gas resource make full use of in the early stage of development moreover, has reduced the high-priced manufacturing cost who relies on diesel generator to bring alone, has alleviated the capital pressure because of exploratory well electric power supply brings in earlier stage.
Description
Technical Field
The utility model belongs to the technical field of power generation equipment, and particularly relates to a diesel oil and coal bed gas integrated power generation device.
Background
In the early stage of coal bed gas exploration well development, the daily yield of coal bed gas of an exploration well is hundreds of parties, and the gas yield is far from reaching the condition of industrial recovery, so that the coal bed gas is usually treated by directly discharging air or lighting a sky lamp. However, if the area of the coal bed gas exploration well is a basin or a forest zone, the coal bed gas in the early development stage is treated by direct discharge or lighting of a ceiling lamp, the temperature rises rapidly and is continuously dry and rainless, so that the forest fire danger level is higher. In addition, the greenhouse effect of the coal bed gas is about 21 times of that of carbon dioxide, the coal bed gas is extremely destructive to the ecological environment, and when the air concentration of the coal bed gas reaches 5-16%, the coal bed gas can explode when meeting open fire. Therefore, the processing of the coal bed gas in the early stage of the current coal bed gas exploration well not only causes the waste of resources, but also can generate environmental pollution, and in addition, the processing mode is also a great potential safety hazard.
In practical production, particularly in early work of coal bed gas exploration well development, the power requirement is a very important problem, however, the geographical position of coal bed gas exploration well development is often in a remote and remote place, the capital cost of grid connection with a national network is high, and the production cost is increased due to the fact that the coordination cost of workers and farmers caused by grid connection is increased invisibly; if a diesel engine is used for generating electricity for a long time, the daily diesel oil consumption also increases the exploitation cost, and in winter, due to climate reasons, the diesel oil is not supplied timely, the diesel oil generating capacity required by development is influenced, and the gas production rate and the production progress are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a diesel and coal bed gas integrated power generation device.
The power generation device comprises a diesel power generation assembly and a control assembly which are connected with each other, wherein the control assembly is also connected with a coal bed gas power generation assembly; the coal bed gas power generation assembly comprises a gas engine and an alternating current generator which are sequentially connected; the output end of the alternating current generator is connected with the control assembly, the gas inlet pipeline of the gas engine is connected with the coal bed gas output pipeline of the purification back pressure system, and the purification back pressure system is provided with a coal bed gas input pipeline.
Further, coal bed gas power generation subassembly still include explosion-proof relief valve and spark arrester, explosion-proof relief valve set up on gas engine's admission line, the spark arrester set up on the pipeline that explosion-proof relief valve is connected with the purification back pressure system. In the power generation process, if the gas engine is tempered once, the mixed gas in the gas engine can be ignited, and the instantaneously generated high pressure can damage the air inlet pipeline to cause pipeline explosion, so that the explosion-proof pressure relief valve is arranged on the air inlet pipeline, so that the pipeline explosion can not be caused by rapid pressure relief during tempering, and meanwhile, a flame arrester is also arranged to prevent continuous tempering; and the coal bed gas can be emptied through the explosion-proof pressure relief valve under other emergency conditions.
Further, diesel oil power generation subassembly, coal bed gas power generation subassembly and control assembly equally divide and do not set up in inclosed box, the top of box of diesel oil power generation subassembly and coal bed gas power generation subassembly all be provided with the muffler. The design of inclosed box makes this power generation facility can wholly set up in the open air, does not receive the environmental impact to make power generation facility compact structure, easily the bulk movement in coal bed gas exploration well development process, the noise that sets up greatly reduced power generation facility of muffler.
Furthermore, the purification back pressure system comprises a pressure transmitter, a gas-liquid separator, a cooler and a condensation filtering processor which are connected in sequence; the pressure transmitter is provided with a coal bed gas input pipeline, and a coal bed gas output pipeline of the coagulation filtration processor is connected with a flame arrester. The pressure of the coal bed gas is reduced through the pressure transmitter, large liquid drops and fine particles are removed through the gas-liquid separator, and then cooling and condensation filtering treatment are carried out, so that the coal bed gas for power generation is suitable for drying and cleaning, and the service life of power generation equipment, the power generation efficiency and the safety are greatly improved.
An explosion-proof electromagnetic valve is arranged on a coal bed gas input pipeline of the pressure transmitter; a gas leakage detector is arranged in the box body of the coal bed gas power generation assembly, and an acousto-optic alarm lamp is arranged outside the box body of the coal bed gas power generation assembly; the gas leakage detector is characterized in that a detection signal output end of the gas leakage detector is connected with detection signal input ends of the acousto-optic alarm lamp and the control assembly, and an opening and closing signal input end of the explosion-proof electromagnetic valve is connected with a signal output end of the control assembly. In case the coal bed gas electricity generation subassembly in the box leaks, gas leakage detector can detect, audible and visual alarm lamp outside the box carries out alarm display, gas leakage detector sends detected signal for control assembly, control assembly can close the valve of explosion-proof solenoid valve through analysis processes immediately, make coal bed gas no longer get into in the box of coal bed gas electricity generation subassembly, only when the coal bed gas in the box no longer leaks, when unable the detecting, the valve of explosion-proof solenoid valve just can be opened, guarantee coal bed gas electricity generation's security.
The anti-explosion electromagnetic valve is connected with a coal bed gas collecting system, and the coal bed gas collecting system comprises a high-pressure ball valve, an anti-explosion emergency cut-off valve, an anti-backfire device, a coal bed gas drainage pump and a gas storage tank which are sequentially connected; the high-pressure ball valve is connected with a coal bed gas input pipeline, and a coal bed gas output pipeline of the gas storage tank is connected with an explosion-proof electromagnetic valve. This coal bed gas collecting system has played the collection and the storage effect of coal bed gas to under emergency, the input of coal bed gas can be cut off from the source to the explosion-proof urgent shutoff valve.
The control assembly comprises a control cabinet, an intelligent control module and a communication module which are connected in sequence; the detection signal input end of the control cabinet is connected with the detection signal output end of the gas leakage detector, and the signal output end of the control cabinet is connected with the opening and closing signal input end of the explosion-proof electromagnetic valve; the pressure signal input end of the control cabinet is connected with the pressure signal output end of the pressure transmitter, and the signal output end of the control cabinet is connected with the opening and closing signal input end of the explosion-proof electromagnetic valve and the opening and closing signal input end of the explosion-proof emergency cut-off valve; the electric energy input end of the control cabinet is connected with the alternating-current generator, and the electric energy output end of the control cabinet is connected with electric equipment; the communication module is connected with the cloud server through a wireless network. The control cabinet of the control assembly can be controlled by the intelligent control module, the intelligent control module is connected with the communication module, and the communication module is connected with the cloud server through a wireless network, so that a user can monitor the running condition of the power generation device in real time through terminal equipment such as a mobile phone, a tablet or a computer and set and control the power generation device; the gas leakage detector can detect whether the coal bed gas in the coal bed gas power generation assembly box body leaks or not, once the coal bed gas leaks, the control cabinet can close the explosion-proof electromagnetic valve through intelligent control, and the safety of coal bed gas power generation is guaranteed; the pressure transmitter can set the pressure limit value of the coal bed gas and feed the pressure signal back to the control cabinet in real time, and once the pressure exceeds the limit value, the control cabinet can immediately close the explosion-proof electromagnetic valve and the explosion-proof emergency cut-off valve through intelligent control so as to ensure the stability of the coal bed gas pressure in the power generation device.
Compared with the prior art, the method has the advantages that the coal bed gas extracted in the early stage of coal bed gas exploration well development is safely and reasonably utilized on the basis of the original diesel power generation, so that the coal bed gas is used for generating power, waste is changed into valuable, and the emission of greenhouse gas is reduced. This integrative power generation facility is synthesized to diesel oil and coal bed gas not only can solve the production and the domestic power consumption problem of exploitation scene, can eliminate environmental pollution and conflagration hidden danger problem with coal bed gas resource make full use of in the early stage of development moreover, has reduced the high-priced manufacturing cost who relies on diesel generator to bring alone, has alleviated the capital pressure because of exploratory well electric power supply brings in earlier stage.
Drawings
FIG. 1 is a schematic view of the overall structure of a diesel and coal bed methane integrated power generation device.
FIG. 2 is a schematic structural diagram of a coal bed methane power generation part.
Wherein: a-a diesel generating assembly; b, a coal bed gas power generation assembly; c-a control component; 1-a diesel engine; 2-an alternator; 3-a gas engine; 4-a control cabinet; 5-a purification back pressure system; 5.1-pressure transmitter; 5.2-gas-liquid separator; 5.3-a cooler; 5.4-a coalescer filter treater; 6-explosion-proof electromagnetic valve; 7-a power consumer; 8-an intelligent control module; 9-a communication module; 10-a cloud server; 11-a silencer; 12-a gas leakage detector; 13-acousto-optic alarm lamp; 14-a flame arrester; 15-explosion-proof pressure relief valve; 16-a coal bed gas collection system; 16.1-high pressure ball valve; 16.2-explosion-proof emergency cut-off valve; 16.3-anti-backfire device; 16.4-a coal bed gas drainage pump; 16.5-air storage tank.
Detailed Description
The utility model will be further described in detail with reference to the drawings and specific embodiments for clear understanding of the utility model, but they are not to be construed as limiting the utility model, which is limited only by way of example, and the advantages of the utility model will become clearer and more readily appreciated by reference to the description. The positional relationships described in the embodiments are all in accordance with those shown in the drawings.
As shown in fig. 1, the main structure of the diesel and coal bed gas integrated power generation device is composed of a diesel power generation assembly a, a coal bed gas power generation assembly B and a control assembly C; wherein diesel oil power generation subassembly A, coal bed gas power generation subassembly B and control assembly C all can set up respectively in inclosed box, in this embodiment, fall into three boxes in the left side, in the right side with the big box of container pattern to all seted up the door on every box in order to make things convenient for installation and maintenance, control assembly C sets up in the box at middle part, and diesel oil power generation subassembly A and coal bed gas power generation subassembly B set up respectively in controlling two boxes. The design of this box makes this power generation facility can wholly set up in the open air, does not receive the environmental impact to make power generation facility compact structure, easily the bulk movement in coal bed gas exploration well development process.
As shown in fig. 1, the diesel power generation assembly a is composed of a diesel engine 1 and an alternator 2 which are connected with each other, the diesel engine 1 and the alternator 2 are arranged inside a box body of the diesel power generation assembly a, and a silencer 11 is arranged at the top of the outer side of the box body of the diesel power generation assembly a; the control component C is composed of a control cabinet 4, an intelligent control module 8 and a communication module 9 which are sequentially connected, and the communication module 9 is connected with the cloud server through a wireless network, so that a user can monitor the running condition of the power generation device in real time through terminal equipment such as a mobile phone, a tablet or a computer and set and control the power generation device. The electric energy output end of the alternating current generator 2 of the diesel generating component A is connected with the electric energy input end of the control cabinet 4, and the electric energy output end of the control cabinet 4 is connected with the electric equipment 7. Therefore, in the early stage of coal bed gas exploration well development, when the coal bed gas is not exploited temporarily, the power can be supplied through the diesel power generation assembly A.
As shown in fig. 1, coal bed gas electricity generation subassembly B is by the spark arrester 14 that connects gradually, explosion-proof relief valve 15, gas engine 3 and alternator 2 are constituteed, spark arrester 14, explosion-proof relief valve 15, gas engine 3 and alternator 2 all set up inside coal bed gas electricity generation subassembly B's box, the top in coal bed gas electricity generation subassembly B's the box outside is provided with muffler 11, be provided with the coal bed gas input port on the spark arrester 14, the electric energy output of coal bed gas electricity generation subassembly B's alternator 2 is connected with the electric energy input of switch board 4, the electric energy output of switch board 4 is connected with consumer 7. Therefore, in the early stage of coal bed gas exploration well development, when the coal bed gas is exploited, the power can be supplied through the coal bed gas power generation assembly B. In the power generation process, if the gas engine 3 is tempered once, the mixed gas in the gas engine can be ignited, and the instantaneously generated high pressure can damage the air inlet pipeline to cause pipeline explosion, so that the explosion-proof pressure release valve 15 is arranged on the air inlet pipeline, so that the pipeline explosion can not be caused by rapid pressure release during tempering, and meanwhile, a flame arrester 14 is also arranged to prevent continuous tempering; and the coal bed gas can be emptied through the explosion-proof pressure relief valve 15 in other emergency situations.
As shown in fig. 2, the flame arrester 14 of the coal bed methane power generation assembly B is connected with the purification back pressure system 5, and the purification back pressure system 5 can be arranged in the open air, specifically, the purification back pressure system 5 is composed of a pressure transmitter 5.1, a gas-liquid separator 5.2, a cooler 5.3 and a coagulation filtration processor 5.4 which are connected in sequence; the pressure transmitter 5.1 is provided with a coal bed gas input pipeline, and a coal bed gas output pipeline of the condensation and filtration processor 5.4 is connected with a flame arrester 14; an explosion-proof electromagnetic valve 6 is arranged on a coal bed gas input pipeline of the pressure transmitter 5.1, the explosion-proof electromagnetic valve 6 is connected with a coal bed gas collecting system 16, and specifically, the coal bed gas collecting system 16 is composed of a high-pressure ball valve 16.1, an explosion-proof emergency cut-off valve 16.2, an anti-backfire device 16.3, a coal bed gas drainage pump 16.4 and a gas storage tank 16.5 which are connected in sequence. The coal bed gas obtained by mining enters from a high-pressure ball valve 16.1 through a coal bed gas input pipeline, passes through an explosion-proof emergency cut-off valve 16.2 and an anti-backfire device 16.3, is pumped into a gas storage tank 16.5 through a coal bed gas pumping pump 16.4 for storage, is conveyed into a purification back pressure system 5 through an explosion-proof electromagnetic valve 6, is subjected to pressure reduction through a pressure transmitter 5.1, is subjected to large liquid drops and fine particles removal through a gas-liquid separator 5.2, is subjected to cooling and condensation filtering treatment to obtain the coal bed gas with proper dry and clean pressure, and is conveyed into a coal bed gas power generation assembly B for power generation, so that the service life, the power generation efficiency and the safety of power generation equipment are greatly improved.
As shown in fig. 1 and 2, a gas leakage detector 12 is further arranged inside the box body of the coal bed methane power generation assembly B, an acousto-optic alarm lamp 13 is arranged outside the box body of the coal bed methane power generation assembly B, a detection signal output end of the gas leakage detector 12 is connected with the acousto-optic alarm lamp 13 and a detection signal input end of the control cabinet 4, and a signal output end of the control cabinet 4 is connected with an on-off signal input end of the explosion-proof electromagnetic valve 6; the pressure signal output end of the pressure transmitter 5.1 is connected with the pressure signal input end of the control cabinet 4, and the signal output end of the control cabinet 4 is connected with the opening and closing signal input end of the explosion-proof electromagnetic valve 6 and the opening and closing signal input end of the explosion-proof emergency cut-off valve 16.2; the control cabinet 4 is controlled through the intelligent control module 8, the intelligent control module 8 is connected with the communication module 9, the communication module 9 is connected with the cloud server through a wireless network, and a user can monitor the running condition of the power generation device in real time through terminal equipment such as a mobile phone, a tablet or a computer and set and control the power generation device. Therefore, once coal bed gas leaks in the box of coal bed gas electricity generation subassembly B, gas leakage detector 12 can detect, audible and visual alarm lamp 13 outside the box carries out alarm display, gas leakage detector 14 sends the detected signal to control cabinet 4 of control module C, control cabinet 4 can make coal bed gas electricity generation subassembly B stop operation through intelligent control of intelligent control module 8, and close explosion-proof solenoid valve 6's valve immediately, make coal bed gas no longer get into coal bed gas electricity generation subassembly B's box, only when coal bed gas in the box no longer leaks, gas leakage detector 14 can't detect when, explosion-proof solenoid valve 6's valve just can be opened, guarantee coal bed gas electricity generation's security. The pressure transmitter 5.1 can set the pressure limit value of the coal bed gas and feed back a pressure signal to the control cabinet 4 in real time, once the pressure exceeds the limit value, the control cabinet 4 can stop the operation of the coal bed gas power generation assembly B through the intelligent control of the intelligent control module 8 and immediately close the explosion-proof electromagnetic valve 6 and the explosion-proof emergency cut-off valve 16.2 so as to ensure the stability of the coal bed gas pressure in the power generation device.
The preferred embodiments of the present invention are described in detail with reference to the accompanying drawings and specific examples, and other parts not described in detail in the examples are the prior art, but the present invention is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides an integrative power generation facility is synthesized to diesel oil and coal bed gas, includes interconnect's diesel oil electricity generation subassembly (A) and control assembly (C), its characterized in that: the control component (C) is also connected with the coal bed gas power generation component (B); the coal bed gas power generation assembly (B) comprises a gas engine (3) and an alternating current generator (2) which are sequentially connected; the output end of the alternating current generator (2) is connected with the control assembly (C), the gas inlet pipeline of the gas engine (3) is connected with the coal bed gas output pipeline of the purification back pressure system (5), and the purification back pressure system (5) is provided with a coal bed gas input pipeline.
2. The integrated diesel and coal bed methane power generation device as claimed in claim 1, wherein: the coal bed gas power generation assembly (B) further comprises an explosion-proof pressure release valve (15) and a flame arrester (14), the explosion-proof pressure release valve (15) is arranged on an air inlet pipeline of the gas engine (3), and the flame arrester (14) is arranged on a pipeline which is connected with the explosion-proof pressure release valve (15) and the purification back pressure system (5).
3. The integrated power generation device integrating diesel oil and coal bed methane as claimed in claim 1 or 2, wherein: diesel oil power generation subassembly (A), coal bed gas power generation subassembly (B) and control module (C) equally divide and do not set up in inclosed box, the top of the box of diesel oil power generation subassembly (A) and the box of coal bed gas power generation subassembly (B) all be provided with muffler (11).
4. The integrated diesel and coal bed methane power generation device as claimed in claim 3, wherein: the purification back pressure system (5) comprises a pressure transmitter (5.1), a gas-liquid separator (5.2), a cooler (5.3) and a coagulation filtration processor (5.4) which are connected in sequence; the pressure transmitter (5.1) is provided with a coal bed gas input pipeline, and the coal bed gas output pipeline of the coagulation filtration processor (5.4) is connected with the flame arrester (14).
5. The integrated diesel and coal bed methane power generation device as claimed in claim 4, wherein: an explosion-proof electromagnetic valve (6) is arranged on a coal bed gas input pipeline of the pressure transmitter (5.1); a gas leakage detector (12) is arranged in the box body of the coal bed gas power generation assembly (B), and an acousto-optic alarm lamp (13) is arranged outside the box body of the coal bed gas power generation assembly (B); the gas leakage detector (12) is characterized in that the detection signal output end is connected with the detection signal input ends of the acousto-optic alarm lamp (13) and the control component (C), and the opening and closing signal input end of the explosion-proof electromagnetic valve (6) is connected with the signal output end of the control component (C).
6. The integrated power generation device integrating diesel oil and coal bed methane as claimed in claim 5, wherein: the anti-explosion electromagnetic valve (6) is connected with a coal bed gas collecting system (16), and the coal bed gas collecting system (16) comprises a high-pressure ball valve (16.1), an anti-explosion emergency cut-off valve (16.2), an anti-backfire device (16.3), a coal bed gas drainage pump (16.4) and a gas storage tank (16.5) which are sequentially connected; the high-pressure ball valve (16.1) is connected with a coal bed gas input pipeline, and a coal bed gas output pipeline of the gas storage tank (16.5) is connected with an explosion-proof electromagnetic valve (6).
7. The integrated diesel and coal bed methane power generation device as claimed in claim 6, wherein: the control assembly (C) comprises a control cabinet (4), an intelligent control module (8) and a communication module (9) which are connected in sequence; the detection signal input end of the control cabinet (4) is connected with the detection signal output end of the gas leakage detector (12), and the signal output end of the control cabinet (4) is connected with the opening and closing signal input end of the explosion-proof electromagnetic valve (6); the pressure signal input end of the control cabinet (4) is connected with the pressure signal output end of the pressure transmitter (5.1), and the signal output end of the control cabinet (4) is connected with the opening and closing signal input end of the explosion-proof electromagnetic valve (6) and the opening and closing signal input end of the explosion-proof emergency cut-off valve (16.2); the electric energy input end of the control cabinet (4) is connected with the alternating current generator (2), and the electric energy output end of the control cabinet (4) is connected with the electric equipment (7); the communication module (9) is connected with the cloud server (10) through a wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939777.6U CN215408875U (en) | 2021-08-18 | 2021-08-18 | Integrated power generation device integrating diesel oil and coal bed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939777.6U CN215408875U (en) | 2021-08-18 | 2021-08-18 | Integrated power generation device integrating diesel oil and coal bed gas |
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| Publication Number | Publication Date |
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| CN215408875U true CN215408875U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121939777.6U Active CN215408875U (en) | 2021-08-18 | 2021-08-18 | Integrated power generation device integrating diesel oil and coal bed gas |
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| CN (1) | CN215408875U (en) |
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2021
- 2021-08-18 CN CN202121939777.6U patent/CN215408875U/en active Active
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