Waste gas heat recovery device of gas generator set

Abstract

The utility model relates to the technical field of waste gas heat recovery, and provides a gas generator set waste gas heat recovery device which comprises a platform, an outer cover is fixedly installed in the center of the top of the platform, a waste gas pipeline body is fixedly embedded in the inner wall of the outer cover, and a plurality of heat conduction pipes are fixedly connected to the outer surface of the waste gas pipeline body. And the outer surface of the outer cover is fixedly connected with a square plate. According to the waste gas pipeline, the waste gas pipeline body is connected to a waste gas port of a gas engine unit through the connecting pipe, then a worker pours cold water into one square pool, the input end of the liquid pump conveys water in the square pool into the outer cover through the hose, and the water in the square pool flows through a large amount of waste gas in the waste gas pipeline body; therefore, heat of the gas generator set can be better recovered, waste heat generated by waste gas can be fully utilized, the energy utilization efficiency of the whole power generation system is improved, energy waste is reduced, and the heat recovery efficiency of the waste gas of the gas generator set is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas heat recovery, in particular to a waste gas heat recovery device for a gas generator set. Background Art

[0002] Gas generator is a new type of efficient new energy generator that uses liquefied gas, natural gas and other combustible gases as combustion materials instead of gasoline and diesel as engine power.

[0003] In the prior art, such as the Chinese patent number: CN204531512U, a heat recovery generator room includes a generator room wall, a generator room cover, and a generator room door. The generator room wall is equipped with a generator room cover, and a smoke exhaust port is opened on the generator room cover; a generator room door is arranged in front of the generator room wall, and a plurality of heat dissipation vents are arranged on the generator room wall. An air inlet duct is opened on one side of the generator room wall, and a fan is installed on the air inlet duct; the generator room wall is provided with a generator set, a circulating water tank, a heat exchange device, an electric control box, and an exhaust gas treatment box. An exhaust gas treatment box is arranged above the generator set, and a heat exchanger is arranged in the exhaust gas treatment box. The utility model recovers the heat in the generator set and the flue gas through the heat exchanger and the heat exchange device, improves the cooling system of the generator set, and at the same time recycles a large amount of heat in the exhaust gas, improves the efficiency of heat energy recovery and utilization, saves energy and reduces consumption, and treats the exhaust gas, and the environmental protection performance is enhanced.

[0004] Although the above scheme has the above advantages, the disadvantage of the above scheme is that, when in use, the heat of the gas generator set cannot be better recovered, and the waste heat generated by the exhaust gas cannot be fully utilized, resulting in a reduction in the energy utilization efficiency of the entire power generation system, increased energy waste, and reduced heat recovery efficiency of the exhaust gas of the gas generator set. In addition, when the gas generator set is in use, smoke and dust will be generated on the inner wall of the exhaust gas pipe. After long-term discharge, a large amount of smoke and dust particles will accumulate on the inner wall of the exhaust gas pipe, which is not easy to clean and requires manual cleaning, which is extremely troublesome, time-consuming and labor-intensive, and reduces the cleaning efficiency of the exhaust gas pipe of the gas generator set. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that, when in use, the gas-fired generator set cannot be better heat recovered, and the waste heat generated by the exhaust gas cannot be fully utilized, resulting in reduced energy utilization efficiency of the entire power generation system, increased energy waste, and reduced heat recovery efficiency of the exhaust gas of the gas-fired generator set. In addition, when the gas-fired generator set is in use, smoke and dust will be generated on the inner wall of the exhaust pipe. After long-term discharge, a large amount of smoke and dust particles will accumulate on the inner wall of the exhaust pipe, which is inconvenient to clean and requires manual cleaning, which is extremely troublesome, time-consuming and labor-intensive, and reduces the cleaning efficiency of the exhaust pipe of the gas-fired generator set.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gas generator set exhaust gas heat recovery device: comprising a platform, an outer cover is fixedly installed at the top center of the platform, the inner wall of the outer cover is fixedly embedded with an exhaust gas pipe body, the outer surface of the exhaust gas pipe body is fixedly connected with a plurality of heat conduction pipes, the outer surface of the outer cover is fixedly connected with a square plate, the top of the square plate is fixedly connected with an exhaust pipe, the top of the exhaust pipe is fixedly connected with a collecting pipe near the edge, one end of the collecting pipe is fixedly connected with a transmission pipe, two square pools are fixedly installed on the top of the platform near the two side edges, two liquid pumps are fixedly connected on the top of the platform near the two side edges, and the input ends of the two liquid pumps are respectively connected to the inner walls of the two square pools through hoses.

[0007] As a preferred implementation, the output ends of the two liquid pumps are connected to the inner wall of the outer cover through a hose.

[0008] The technical effect of adopting the above further solution is that the water in one of the square pools is transferred to the outer cover through the input end of the liquid pump through a hose, which facilitates the transfer.

[0009] As a preferred implementation, a motor is fixedly mounted on one end of the exhaust pipe body, and a connecting pipe is fixedly connected to one end of the exhaust pipe body.

[0010] The technical effect of adopting the above further solution is: by using the connecting pipe to connect to the exhaust port of the gas engine group, and then using the exhaust pipe body to discharge the exhaust gas, it is easy to connect.

[0011] As a preferred implementation, the output end of the motor is fixedly connected with a threaded screw, and the other end of the exhaust pipe body is fixedly connected with a fixing plate.

[0012] The technical effect of adopting the above further solution is: the threaded screw is driven to rotate forwardly through the output end of the motor, and the threaded screw drives the scraper to move on the inner wall of the exhaust pipe body while rotating forwardly.

[0013] As a preferred implementation, the other end of the threaded screw is movably connected to one side of the outer surface of the fixing plate.

[0014] The technical effect of adopting the above further solution is that the rotation of the threaded screw is facilitated by the fixing plate.

[0015] As a preferred embodiment, a connecting plate is fixedly connected to the other end of the exhaust pipe body, and a limiting column is fixedly connected to one side of the outer surface of the connecting plate.

[0016] The technical effect of adopting the above further solution is: the scraper is limited by the limiting column.

[0017] As a preferred embodiment, a scraper is threadedly connected to the outer surface of the threaded screw.

[0018] The technical effect of adopting the above further solution is: the smoke and dust on the inner wall of the exhaust gas pipe body is scraped off by the movement of the scraper, and the accumulated smoke and dust is scraped off to the exhaust port of the exhaust gas pipe body for easy cleaning.

[0019] As a preferred embodiment, the inner movable sleeve of the scraper is arranged on the outer surface of the limiting column.

[0020] The technical effect of adopting the above further solution is: the scraper is limited by the limiting column to prevent the scraper from idling.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] 1. The utility model uses a connecting pipe to connect to the exhaust port of the gas engine group, and then uses the exhaust pipe body to discharge the exhaust gas. Then the staff pours cold water into one of the square pools, and then turns on the external power supply of one of the liquid pumps to start the liquid pump. The input end of the liquid pump begins to transfer the water in one of the square pools to the outer cover through a hose. The flow of a large amount of exhaust gas in the exhaust pipe body will heat the outer wall of the exhaust pipe body, and then multiple heat pipes are used to absorb the heat of the outer wall, and the multiple heat pipes are used to continuously heat the water entering the outer cover, so that the cold water in the outer cover is heated to hot water, and then the staff starts Another liquid pump is used to transfer the hot water in the outer cover to another square pool to achieve heat recovery. The hot water can be used by the staff. In order to make more thorough use of the heat, when the cold water in the outer cover is heated, a large amount of water vapor will be generated, and then enter the collecting pipe through the exhaust pipe. At this time, the staff uses the transmission pipe to connect with the steam turbine and convert the steam into electrical energy, so as to achieve better heat recovery for the gas-fired generator set. The waste heat energy generated by the exhaust gas is fully utilized, which enhances the energy utilization efficiency of the entire power generation system, reduces energy waste, and improves the heat recovery efficiency of the exhaust gas of the gas-fired generator set.

[0023] 2. The utility model starts to drive the threaded screw to rotate forwardly through the output end of the motor. The threaded screw rotates forward and drives the scraper to move on the inner wall of the exhaust gas pipe body. The smoke and dust on the inner wall of the exhaust gas pipe body are scraped off by the movement of the scraper. The accumulated smoke and dust are scraped off to the exhaust port of the exhaust gas pipe body, so as to clean the inner wall of the exhaust gas pipe body. When the gas-fired generator set is in use, a large amount of smoke and dust particles are prevented from accumulating on the inner wall of the exhaust gas pipe, which is convenient for cleaning and avoids manual cleaning. It is extremely simple, saves time and effort, and improves the cleaning efficiency of the exhaust gas pipe of the gas-fired generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the main structure of a waste gas heat recovery device for a gas generator set provided by the utility model;

[0025] Figure 2 A schematic diagram of the top view of a waste gas heat recovery device for a gas generator set provided by the utility model;

[0026] Figure 3 This is a schematic diagram of the front view of a waste gas heat recovery device for a gas generator set provided by the utility model;

[0027] Figure 4 The utility model provides a gas generator set exhaust gas heat recovery device Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0028] Legend:

[0029] 1. Platform; 101. Exhaust pipe body; 102. Connecting pipe; 103. Outer cover; 104. Exhaust pipe; 105. Collecting pipe; 106. Square pool; 107. Liquid pump; 108. Square plate; 109. Heat transfer pipe; 2. Motor; 201. Fixing plate; 202. Scraper; 203. Threaded screw; 204. Transmission pipe; 205. Connecting plate; 206. Limiting column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1, please refer to Figure 1-4The utility model provides a technical solution: a waste gas heat recovery device for a gas generator set, comprising a platform 1, an outer cover 103 is fixedly installed at the top center of the platform 1, an exhaust gas pipe body 101 is fixedly embedded in the inner wall of the outer cover 103, a plurality of heat conduction pipes 109 are fixedly connected to the outer surface of the exhaust gas pipe body 101, a square plate 108 is fixedly connected to the outer surface of the outer cover 103, an exhaust pipe 104 is fixedly connected to the top of the square plate 108, a collecting pipe 105 is fixedly connected to the top of the exhaust pipe 104 near the edge, a transmission pipe 204 is fixedly connected to one end of the collecting pipe 105, two square pools 106 are fixedly installed on the top of the platform 1 near the edges on both sides, two liquid pumps 107 are fixedly connected to the top of the platform 1 near the edges on both sides, the input ends of the two liquid pumps 107 are respectively connected to the inner walls of the two square pools 106 through hoses, and the output ends of the two liquid pumps 107 are connected to the inner wall of the outer cover 103 through hoses.

[0032] In this embodiment, the connecting pipe 102 is connected to the exhaust port of the gas engine group, and then the exhaust gas is discharged by the exhaust pipe body 101. Then the staff pours cold water into one of the square pools 106, and then turns on the external power supply of one of the liquid pumps 107, starts the liquid pump 107, and the input end of the liquid pump 107 begins to transfer the water in one of the square pools 106 to the outer cover 103 through a hose. The flow of a large amount of exhaust gas in the exhaust pipe body 101 will make the outer wall of the exhaust pipe body 101 hot, and then the heat of the outer wall is absorbed by multiple heat pipes 109, and the water entering the outer cover 103 is continuously heated by multiple heat pipes 109, so that the cold water in the outer cover 103 is heated into hot water. Then the staff starts another liquid pump 107, and uses the other liquid pump 107 to transfer the hot water in the outer cover 103 to another square pool 106, so as to achieve heat recovery. The hot water can be used by the staff. In order to make more thorough use of the heat, when the cold water in the outer cover 103 is heated, a large amount of water vapor will be generated, and then enter the collecting pipe 105 through the exhaust pipe 104. At this time, the staff uses the transmission pipe 204 to connect with the steam turbine, and converts the steam into electrical energy, so as to achieve better heat recovery for the gas-fired generator set. The waste heat energy generated by the exhaust gas is fully utilized, which enhances the energy utilization efficiency of the entire power generation system, reduces energy waste, and improves the heat recovery efficiency of the exhaust gas of the gas-fired generator set.

[0033] Embodiment 2, as Figure 1-4As shown, a motor 2 is fixedly installed at one end of the exhaust pipe body 101, a connecting pipe 102 is fixedly connected to one end of the exhaust pipe body 101, a threaded screw 203 is fixedly connected to the output end of the motor 2, and the other end of the exhaust pipe body 101 is fixedly connected to a fixing plate 201, the other end of the threaded screw 203 is movably connected to one side of the outer surface of the fixing plate 201, and the other end of the exhaust pipe body 101 is fixedly connected to a connecting plate 205, one side of the outer surface of the connecting plate 205 is fixedly connected to a limiting column 206, the outer surface of the threaded screw 203 is threadedly connected to a scraper 202, and the inner movably sleeve of the scraper 202 is arranged on the outer surface of the limiting column 206.

[0034] In this embodiment, the output end of the motor 2 starts to drive the threaded screw 203 to rotate forward, and the threaded screw 203 drives the scraper 202 to move on the inner wall of the exhaust gas pipe body 101 while rotating forward. The movement of the scraper 202 is used to scrape off the smoke on the inner wall of the exhaust gas pipe body 101, and the accumulated smoke is scraped off to the smoke exhaust port of the exhaust gas pipe body 101, so as to clean the inner wall of the exhaust gas pipe body 101, thereby preventing a large amount of smoke particles from accumulating on the inner wall of the exhaust gas pipe when the gas generator set is in use, facilitating cleaning and avoiding manual cleaning. It is extremely simple, saves time and effort, and improves the cleaning efficiency of the exhaust gas pipe of the gas generator set.

[0035] Working principle: When in use, the staff first uses the connecting pipe 102 to connect to the exhaust port of the gas engine group, and then uses the exhaust pipe body 101 to exhaust the exhaust gas. Then the staff pours cold water into one of the square pools 106, and then turns on the external power supply of one of the liquid pumps 107, starts the liquid pump 107, and the input end of the liquid pump 107 begins to transfer the water in one of the square pools 106 to the outer cover 103 through the hose. The flow of a large amount of exhaust gas in the exhaust pipe body 101 will make the outer wall of the exhaust pipe body 101 hot, and then use The multiple heat conducting pipes 109 absorb the heat of the outer wall, and use the multiple heat conducting pipes 109 to continuously heat the water entering the outer cover 103, so that the cold water in the outer cover 103 is heated into hot water. Then the staff starts another liquid pump 107, and uses another liquid pump 107 to transfer the hot water in the outer cover 103 to another square pool 106, so as to achieve heat recovery. The hot water can be used by the staff. In order to make more thorough use of the heat, when the cold water in the outer cover 103 is heated, a large amount of water vapor will be generated, and then enter the collecting pipe 10 through the exhaust pipe 104. 5. At this time, the staff uses the transmission pipe 204 to connect with the steam turbine and converts the steam into electrical energy, so as to achieve better heat recovery for the gas-fired generator set. The waste heat energy generated by the exhaust gas is fully utilized, which enhances the energy utilization efficiency of the entire power generation system, reduces energy waste, and improves the heat recovery efficiency of the exhaust gas of the gas-fired generator set. In order to facilitate the cleaning of the smoke particles attached to the inner wall of the exhaust pipe body 101, the staff starts to turn on the external power supply of the motor 2, starts the motor 2, and the output end of the motor 2 starts to drive the threaded screw 203 to rotate forward, and the thread When the screw rod 203 rotates forward, it drives the scraper 202 to move on the inner wall of the exhaust gas pipe body 101. The movement of the scraper 202 scrapes the smoke on the inner wall of the exhaust gas pipe body 101, and the accumulated smoke is scraped to the smoke exhaust port of the exhaust gas pipe body 101, so as to clean the inner wall of the exhaust gas pipe body 101, thereby preventing a large amount of smoke particles from accumulating on the inner wall of the exhaust gas pipe when the gas generator set is in use, facilitating cleaning and avoiding manual cleaning. It is extremely simple, saves time and effort, and improves the cleaning efficiency of the exhaust gas pipe of the gas generator set.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A waste gas heat recovery device for a gas generator set, characterized in that: The invention comprises a platform (1), wherein an outer cover (103) is fixedly installed at the center of the top of the platform (1), an exhaust gas pipe body (101) is fixedly embedded in the inner wall of the outer cover (103), a plurality of heat conduction pipes (109) are fixedly connected to the outer surface of the exhaust gas pipe body (101), a square plate (108) is fixedly connected to the outer surface of the outer cover (103), an exhaust pipe (104) is fixedly connected to the top of the square plate (108), a collecting pipe (105) is fixedly connected to the top of the exhaust pipe (104) near the edge, one end of the collecting pipe (105) is fixedly connected to a transmission pipe (204), two square pools (106) are fixedly installed on the top of the platform (1) near the two side edges, two liquid pumps (107) are fixedly connected to the top of the platform (1) near the two side edges, and the input ends of the two liquid pumps (107) are respectively connected to the inner walls of the two square pools (106) through hoses.

2. The exhaust gas heat recovery device of a gas generator set according to claim 1, characterized in that: The output ends of the two liquid pumps (107) are connected to the inner wall of the outer cover (103) through hoses.

3. The exhaust gas heat recovery device of a gas generator set according to claim 1, characterized in that: A motor (2) is fixedly mounted on one end of the exhaust gas pipe body (101), and a connecting pipe (102) is fixedly connected to one end of the exhaust gas pipe body (101).

4. The exhaust gas heat recovery device for a gas-fired generator set according to claim 3 is characterized in that: The output end of the motor (2) is fixedly connected to a threaded screw (203), and the other end of the exhaust gas pipe body (101) is fixedly connected to a fixing plate (201).

5. The exhaust gas heat recovery device for a gas-fired generator set according to claim 4, characterized in that: The other end of the threaded screw (203) is movably connected to one side of the outer surface of the fixing plate (201).

6. The exhaust gas heat recovery device for a gas-fired generator set according to claim 1, characterized in that: The other end of the exhaust gas pipe body (101) is fixedly connected to a connecting plate (205), and one side of the outer surface of the connecting plate (205) is fixedly connected to a limiting column (206).

7. The exhaust gas heat recovery device of a gas generator set according to claim 4, characterized in that: The outer surface of the threaded screw rod (203) is threadedly connected with a scraper (202).

8. The exhaust gas heat recovery device for a gas-fired generator set according to claim 7, characterized in that: The scraper (202) is movably sleeved inside the outer surface of the limiting column (206).

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