CN217887487U - Device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of gas generator set - Google Patents
Device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of gas generator set Download PDFInfo
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- CN217887487U CN217887487U CN202222278999.9U CN202222278999U CN217887487U CN 217887487 U CN217887487 U CN 217887487U CN 202222278999 U CN202222278999 U CN 202222278999U CN 217887487 U CN217887487 U CN 217887487U
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Abstract
The utility model discloses a device for preprocessing dehydration backheating by using the waste heat of cylinder sleeve water of a gas generator set, belonging to the technical field of waste heat utilization and energy conservation of a power plant; the system comprises a cooling dehydration system, a heat regeneration system and a power generation system; the power generation system comprises a gas generator set and a heat dissipation water tank connected with the gas generator set; the gas branch pipe is sequentially connected with the cooling dehydration system, the heat regeneration system and the gas generator set; the heat dissipation water tank is connected with a heat exchange pipeline of the regenerative system; the heat exchange pipeline is provided with an electric regulating valve; a gas temperature sensor is arranged at the outlet of the heat regenerative system; the gas temperature sensor and the electric regulating valve are respectively connected with the controller; the device fully utilizes the heat of the unit, and reduces the external energy consumed by heating the low-concentration gas; the heat energy utilization rate is improved.
Description
Technical Field
The utility model belongs to the technical field of power plant waste heat utilization is energy-conserving, concretely relates to gas generating set cylinder liner water waste heat is used for device of preliminary treatment dehydration backheat.
Background
At present, coal mine gas power plants are more and more, and because a water ring vacuum pump extraction process is adopted in coal mine extracted gas, the gas conveyed to the gas power plant contains a large amount of water, and before entering a gas generator set for power generation, the gas needs to be dehydrated, so that the air inlet requirement that the relative humidity is less than or equal to 80 percent is met. High-concentration gas is generally subjected to cooling dehydration treatment through electric refrigeration or lithium bromide refrigeration, then is pressurized through a Roots blower, and the temperature is increased, so that the humidity requirement can be met, and the pressurization is not allowed according to the low-concentration gas power generation standard. And the energy consumption is more for heating the low-concentration gas.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a gas generating set cylinder liner water waste heat is used for the device of preliminary treatment dehydration backheat to make full use of the heat of unit itself, reduce the external energy that low concentration gas heating consumed.
In order to achieve the purpose, the utility model is realized by the following technical scheme.
A device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of a gas generator set comprises a cooling dehydration system, a backheating system and a power generation system; the power generation system comprises a gas generator set and a heat dissipation water tank connected with the gas generator set; the gas branch pipe is sequentially connected with the cooling dehydration system, the heat regeneration system and the gas generator set; the heat dissipation water tank is connected with a heat exchange pipeline of the heat regenerative system; the heat exchange pipeline is provided with an electric regulating valve; a gas temperature sensor is arranged at the outlet of the heat regenerative system; and the gas temperature sensor and the electric regulating valve are respectively connected with the controller.
Furthermore, the heat dissipation water tank is installed in parallel with the plate heat exchanger and the heat recovery system of the cylinder sleeve water waste heat utilization system.
Furthermore, the gas branch pipe is connected to the cooling and dehydrating system through a shut-off valve and the gas-water separator in sequence.
Furthermore, the cooling dehydration system consists of a cooling dehydration device, a manual valve, a chilled water circulating pump and a refrigerating unit.
Further, the heat regenerative system is connected to the gas generator set sequentially through the filter and the air inlet valve group.
Furthermore, the air inlet valve group is arranged at the inlet of the gas generator set.
The utility model discloses produced beneficial effect for prior art does:
the utility model discloses an install backheating device behind gas generating set inlet branch pipe cooling dewatering device, the partly cylinder liner water of introducing the generating set body gets into backheating device, the waste heat that utilizes cylinder liner water passes through backheating device with gas and realizes the heat exchange, promote gas temperature, thereby reduce the relative humidity of gas, with satisfy gas generating set's the requirement of admitting air, and no longer need the outside heat source of introducing, not only solved the problem of low concentration gas generating set gas dehydration, still make full use of cylinder liner water waste heat, make heat utilization rate improve, reduce the electric power that cylinder liner hydrothermal volume consumes through the heat dissipation of radiator fan simultaneously, reduce the station service power, promote power plant economic benefits, have the effect of killing many birds with one stone.
Drawings
FIG. 1 is a schematic structural diagram of a device for pretreating, dehydrating and backheating by using the waste heat of cylinder liner water of a gas generator set.
In the figure, 1 is a shut-off valve; 2 is a steam-water separator; 3, a cooling dehydration system; 4 is a heat regenerative system; 5 is a filter, 6 is an air inlet valve group, 7 is a power generation system, 8 is a cylinder liner water waste heat utilization system, 9 is a gas branch pipe, and 10 is a heat exchange pipeline;
31 is a cooling dehydration device, 32 is a manual valve, 33 is a chilled water circulating water pump, 34 is a refrigerating unit, 41 is a heat recovery device, 42 is a manual valve, 43 is an electric control valve, 71 is a gas generator set, and 72 is a heat radiation water tank.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the embodiment provides a device for preprocessing dehydration heat regeneration by using waste heat of cylinder liner water of a gas generator set; the system comprises a shut-off valve 1, a steam-water separator 2, a cooling dehydration system 3, a heat regeneration system 4, a filter 5, an air inlet valve group 6, a power generation system 7 and a cylinder sleeve water waste heat utilization system 8. The power generation system 7 includes a gas generator set 71 and a heat radiation water tank 72 connected to the gas generator set 71.
The gas branch pipe 9 is connected to the cooling and dewatering system 3 through the shutoff valve 1 and the gas-water separator 2 in sequence. The steam-water separator 2 is arranged after the valve 1 is closed by the air inlet branch pipe of each gas generator set, and most of free water in gas is separated out. Install cooling dewatering system 3 behind catch water 2, cooling dewatering system 3 comprises cooling dewatering device 31, hand valve 32, refrigerated water circulating water pump 33 and refrigerating unit 34, and the refrigerated water 10/15 ℃ (adjustable) that utilizes refrigerating unit 34 to prepare carries out the cooling dehydration to gas through cooling dewatering device 31. The heat recovery system 4 is installed behind the cooling dehydration system 3 and consists of a heat recovery device 41, a manual valve 42 and an electric regulating valve 43.
The filter 5 is installed on a gas pipeline at the outlet of the heat recovery device 41, and filters dust in the gas. The air inlet valve group 6 is installed at an inlet of the gas generator set 71, and the heat radiation water tank 72 is installed in parallel with the plate heat exchanger and the heat recovery device 41 of the cylinder liner water waste heat utilization system 8. The heat radiation water tank 72 is connected with the heat exchange pipeline 10 of the heat regenerative system 4; the heat exchange line 10 is provided with an electric regulating valve 43; a gas temperature sensor is arranged at the outlet of the heat regenerative system 4; the gas temperature sensor and the electric control valve 43 are respectively connected with the controller. The electric control valve 43 adjusts and controls the cylinder water amount to the heat recovery device 41 according to a gas temperature feedback signal sent by a gas temperature sensor arranged at the outlet of the heat recovery device 41. A small part of the cylinder sleeve water is used for the heat recovery device 41, the rest of the cylinder sleeve water exchanges heat through the cylinder sleeve water waste heat utilization system 8, and redundant heat is dissipated through the heat dissipation water tank, so that the temperature of the cylinder sleeve water meets the requirement of a unit.
This device is through installing backheating device behind gas generating set inlet branch pipe cooling dewatering device, introduce some cylinder liner water of generating set body and get into backheating device, the waste heat that utilizes cylinder liner water passes through backheating device with gas and realizes the heat exchange, promote the gas temperature, thereby reduce the relative humidity of gas, with the requirement of admitting air that satisfies gas generating set, and no longer need the outside heat source of introducing, not only solved the problem of low concentration gas generating set gas dehydration, still make full use of cylinder liner water waste heat, make heat utilization rate improve, reduce the electric power that cylinder liner hydrothermal volume consumes through the heat dissipation of radiator fan simultaneously, reduce the service power consumption
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (6)
1. A device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of a gas generator set is characterized by comprising a cooling dehydration system (3), a backheating system (4) and a power generation system (7); the power generation system (7) comprises a gas generator set (71) and a heat dissipation water tank (72) connected with the gas generator set (71); the gas branch pipe (9) is sequentially connected with the cooling dehydration system (3), the heat return system (4) and the gas generator set (71); the heat dissipation water tank (72) is connected with a heat exchange pipeline (10) of the regenerative system (4); the heat exchange pipeline (10) is provided with an electric regulating valve (43); a gas temperature sensor is arranged at the outlet of the heat regenerative system (4); the gas temperature sensor and the electric regulating valve (43) are respectively connected with the controller.
2. The device for pretreating dehydration heat recovery by using cylinder liner water waste heat of a gas generator set according to claim 1, wherein the heat dissipation water tank (72) is installed in parallel with the plate heat exchanger of the cylinder liner water waste heat utilization system (8) and the heat recovery system (4).
3. The device for preprocessing the dehydration heat recovery by using the cylinder jacket water waste heat of the gas generator set according to claim 1, wherein the gas branch pipe (9) is connected to the temperature reduction dehydration system (3) sequentially through the shutoff valve (1) and the gas-water separator (2).
4. The device for preprocessing the dehydration heat recovery by using the cylinder jacket water waste heat of the gas generator set according to claim 1, wherein the cooling dehydration system (3) is composed of a cooling dehydration device (31), a manual valve (32), a chilled water circulating water pump (33) and a refrigerating unit (34).
5. The device for preprocessing dehydration heat recovery by using cylinder liner water waste heat of a gas generator set according to claim 1, wherein the heat recovery system (4) is connected to the gas generator set (71) sequentially through a filter (5) and an air inlet valve group (6).
6. The device for preprocessing the dehydration heat recovery by using the cylinder liner water waste heat of the gas generator set as claimed in claim 5, wherein the air inlet valve group (6) is arranged at the inlet of the gas generator set (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278999.9U CN217887487U (en) | 2022-08-29 | 2022-08-29 | Device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of gas generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278999.9U CN217887487U (en) | 2022-08-29 | 2022-08-29 | Device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of gas generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217887487U true CN217887487U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222278999.9U Active CN217887487U (en) | 2022-08-29 | 2022-08-29 | Device for preprocessing dehydration backheating by using waste heat of cylinder sleeve water of gas generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217887487U (en) |
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2022
- 2022-08-29 CN CN202222278999.9U patent/CN217887487U/en active Active
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