CN220467893U - Pretreatment system for low-concentration gas applied to generator set - Google Patents
Pretreatment system for low-concentration gas applied to generator set Download PDFInfo
- Publication number
- CN220467893U CN220467893U CN202321891723.6U CN202321891723U CN220467893U CN 220467893 U CN220467893 U CN 220467893U CN 202321891723 U CN202321891723 U CN 202321891723U CN 220467893 U CN220467893 U CN 220467893U
- Authority
- CN
- China
- Prior art keywords
- gas
- generator set
- pipe
- liquid
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 230000018044 dehydration Effects 0.000 claims abstract description 33
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 198
- 208000005156 Dehydration Diseases 0.000 claims description 28
- 239000000110 cooling liquid Substances 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model belongs to the technical field of gas treatment and reuse, and discloses a pretreatment system for low-concentration gas applied to a generator set. The system mainly comprises a gas supply main pipe, a coarse dehydration system unit, a cooling dehydration system unit, a heating system unit and a precision filter, wherein the coarse dehydration system unit adopts a liquid-gas separator to remove residual liquid water in gas, the wet gas after coarse dehydration is sent into a cooling heat exchanger of the cooling dehydration system unit to be precooled and dehydrated, so that the humidity of the wet gas is reduced below saturation, and then the wet gas is sent into a regenerator in the heating system unit through the gas supply main pipe to be heated, and after heating, residual fine impurities in the gas are filtered out through the precision filter and are sent into the generator set to be used. The utility model improves the efficiency, the reliability and the service life of the generator set by reducing the humidity of the gas and filtering impurities in the gas twice.
Description
Technical Field
The utility model belongs to the technical field of gas treatment and reuse, and particularly relates to a pretreatment system for low-concentration gas applied to a generator set.
Background
At present, low-concentration gas with the concentration below 30% can be directly exhausted, and the main component methane (CH 4) of the gas can be directly exhausted to cause environmental pollution. The study shows that the greenhouse effect of the gas is 21 times of that of CO2, the damage to the ozone layer is 7-8 times of that of CO2, and the share of the gas in global warming is 15 percent and is next to that of CO2. The gas is fully utilized, the combustion heat value of the gas is equivalent to that of natural gas, so that the shortage of oil and gas resources in China is made up, the coal industry chain is prolonged, the local employment opportunity is increased, and harmful components are hardly generated. Therefore, how to efficiently use the low-concentration gas and change the harm into treasures is important.
The low-concentration gas power generation is one of the more mature comprehensive utilization ways of the gas, but the traditional low-concentration gas pretreatment technology is high in pretreatment cost, and low in operation efficiency of a low-concentration gas generator set is caused, so that the low-concentration gas power generation technology becomes a technical bottleneck for restricting the low-concentration gas power generation.
In the prior art, for example, a chinese patent (publication No. CN102424767 a) applied by zheng state pupil ringing environmental protection limited company on 9 th 2011 discloses a treatment method for low-concentration gas power generation, and in the treatment of low-concentration gas, due to the lack of a design of a regenerator and a fine filter, when the low-concentration gas enters a gas turbine set for combustion, the efficiency, reliability and service life of the gas turbine set are reduced, and residual fine impurities in the gas are caused, so that the gas utilization cleanliness requirement of the low-concentration gas turbine set cannot be ensured. In addition, the Chinese patent (publication No. CN 114251119A) applied for by Yin Dehou in 9/2021 discloses a low-concentration gas heating and power generation system, which also lacks a filtering device for removing gas impurities, and also does not have an emptying and diffusing device, so that the gas in the power generation unit and a branch pipe thereof cannot be emptied when the gas internal combustion power generation unit is overhauled.
Therefore, how to realize safe, efficient and economic pretreatment of low-concentration gas and improve the utilization rate of coal mine gas has very important significance.
Disclosure of Invention
Aiming at the defects of the prior art in the application of low-concentration gas in generator sets in the background art, the utility model aims to solve the problem of replacing the traditional low-concentration gas treatment process, and a coarse dehydration system unit, a cooling dehydration system unit, a heating system unit and a precise filter are sequentially arranged on a gas supply pipe of each generator set according to the requirements of a gas engine on fuel quality. The liquid-gas separator can remove large particle dust and liquid water in the gas; the wet gas enters the low-concentration gas internal combustion engine unit for combustion, so that the efficiency, the reliability and the service life of the low-concentration gas internal combustion engine unit are reduced, and therefore, a cooling and dehydrating system unit is required to be arranged for precooling and dehydrating the gas, so that the humidity of the gas is reduced below saturation; the heating system unit heats the gas by using cylinder sleeve cooling liquid to reduce the humidity of the gas to below 80%, and then sends the gas to the generator set for use; in addition, a precise filter is arranged behind the primary filter of the liquid-gas separator so as to filter out residual fine impurities in the gas, thereby ensuring the gas-using cleanliness requirement of the low-concentration gas internal combustion engine unit. Based on this, a pretreatment system for low concentration gas application in a generator set is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the pretreatment system comprises a gas inlet mixed main pipe, wherein one path of gas supply main pipe is connected to the gas inlet mixed main pipe and is connected with a coarse dehydration system unit, the gas inlet mixed main pipe is used for removing residual liquid water in gas, a total shutoff valve is arranged on the gas supply main pipe, the total shutoff valve is convenient for cutting off a gas source from the gas inlet mixed main pipe when the gas generator set is stopped and overhauled, wet gas after coarse dehydration is sent to a cooling dehydration system unit for precooling and dehydration treatment, so that the humidity of the wet gas is reduced below saturation, and the gas after passing through the cooling dehydration system unit is sent to a heating system unit for heating treatment through the gas supply main pipe, so that the humidity of the gas is reduced below 80%, and is sent to the generator set for use through the gas supply main pipe.
As further explanation and limitation of the above technical scheme, the coarse dehydration system unit is a liquid-gas separator, the gas inlet of the liquid-gas separator is connected with a gas branch pipe, and the water outlet of the liquid-gas separator is connected with the inlet of the water seal drainer through a drain pipe; the cooling and dewatering system unit comprises a cooling heat exchanger, a refrigerator and a circulating water pump, wherein an exhaust port of the liquid-gas separator is connected with an air inlet of the cooling heat exchanger through a gas supply main pipe, a water outlet of the cooling heat exchanger is connected with an inlet of the water seal drainer through a drain pipe, a circulating cold liquid inlet of the cooling heat exchanger is connected with an outlet of the refrigerator through a refrigerating liquid circulating liquid supply pipe, and an outlet of the refrigerator is connected with the circulating water pump through a refrigerating liquid circulating liquid return pipe and then is connected with a circulating cold liquid inlet of the cooling heat exchanger; the heating system unit is a heat regenerator, an air inlet of the heat regenerator is connected with an air outlet of the cooling heat exchanger through a gas supply main pipe, an air outlet of the heat regenerator is connected with a fuel port of the generator set through the gas supply main pipe, a cylinder liner cooling liquid return pipe and a cylinder liner cooling liquid supply pipe of the generator set are respectively connected with a heating medium inlet and a heating medium outlet of the heat regenerator through two paths of cooling liquid branch pipes, a first manual shutoff valve and a second manual shutoff valve are respectively arranged on the two paths of cooling liquid branch pipes, and the heat regenerator utilizes heat carried in a cylinder liner cooling liquid loop of the generator set to provide a heat source for the heat generator set to heat gas.
As a further supplementary explanation of the technical scheme, a precise filter is arranged on a gas supply main pipe between the heat regenerator and the generator set, the filtering precision of the precise filter is less than or equal to 5 microns, an inlet and an outlet of the precise filter are respectively connected with the heat regenerator and the generator set, and a discharge port of the precise filter is connected with an inlet of a water seal drainer through a drain pipe.
As a further supplementary explanation of the technical scheme, the gas-fired internal combustion generating set further comprises a set diffusing system unit arranged between the heat regenerator and the precise filter, wherein the set diffusing system unit is used for evacuating gas in the generating set and a branch pipe thereof when the gas-fired internal combustion generating set is overhauled.
As further explanation and limitation of the above technical scheme, the unit diffusing system unit comprises a gas supply branch pipe connected with a gas supply main pipe between the heat regenerator and the precision filter, wherein the gas supply branch pipe is divided into two paths, one path is a diffusing pipe which is connected with an evacuating diffusing main pipe, and a diffusing manual valve is arranged on the diffusing pipe; the other path is a nitrogen replacement sampling tube, and a sampling manual valve is arranged on the nitrogen replacement sampling tube.
As a further supplementary explanation of the technical scheme, the discharge port of the water seal drainer is connected with the recovery water tank through a drainage recovery pipe, an emptying pipe is arranged on the recovery water tank, and drainage respectively from the liquid-gas separator, the cooling heat exchanger and the precision filter is collected into the water seal drainer and then uniformly conveyed into the recovery water tank, so that the drainage removed from the gas is recycled, and the water seal drainer is convenient for all treatment equipment to prevent gas leakage during drainage.
As a further supplementary explanation of the above technical scheme, the cooling and dewatering system unit further comprises a cold water tank, a water outlet of the cold water tank is connected with a refrigerating fluid circulation liquid return pipe through a cold water supplementing pipe, a third manual shutoff valve is arranged on the cold water supplementing pipe, and the cold water tank is used for supplementing the loss of the cooling fluid by controlling the third manual shutoff valve.
As a further supplementary explanation of the above technical solution, a fourth manual shut-off valve is disposed on the drain outlet of the cooling heat exchanger, a fifth manual shut-off valve and a sixth manual shut-off valve are disposed on the inlet and outlet of the refrigerator, and a seventh manual shut-off valve and an eighth manual shut-off valve are disposed on the inlet and outlet of the circulating water pump, respectively.
As a further supplementary explanation of the above technical solution, a ninth manual shutoff valve is provided on the drain port of the liquid-gas separator.
As a further supplementary explanation of the above technical solution, a tenth manual shut-off valve is provided on the drain port of the precision filter.
Compared with the prior art, the utility model has the following advantages:
1. the utility model adopts a liquid-gas separator to carry out coarse dehydration on the gas in the gas pipeline, and adopts a coarse dehydration system to remove the residual liquid water in the gas.
2. The utility model adopts the cooling dehydration system unit to pre-cool and dehydrate the wet gas so that the humidity of the gas is reduced below saturation, and then the gas enters the low-concentration gas internal combustion generator set for combustion, thereby effectively improving the efficiency, the reliability and the service life of the low-concentration gas internal combustion generator set.
3. The utility model adopts the heat regenerator, and the gas humidity after passing through the cooling and dewatering system unit is still saturated, so that the heat regenerator is added to heat the gas by using the cylinder sleeve cooling liquid to reduce the gas humidity again, so that the gas humidity is reduced to below 80 percent, and then the gas is sent to the generator set for use.
4. The utility model increases the unit diffusing system unit, and the gas in the generator unit and the branch pipes thereof is totally diffused when the gas power plant is shut down and overhauled by controlling the diffusing manual valve.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present utility model.
In the figure: the crude dehydration system unit is 1, the total shutoff valve is 2, the cooling dehydration system unit is 3, the heating system unit is 4, the generator set is 5, the water seal drainer is 6, the precision filter is 7, the recovery water tank is 8, the emptying pipe is 9, the unit diffusion system unit is 10, and the tenth manual shutoff valve is 11.
Wherein the coarse dewatering system unit comprises: the liquid-gas separator is 101, and the ninth manual shut-off valve 102.
The cooling and dewatering system unit comprises: the cooling heat exchanger is 301, the refrigerator is 302, the circulating water pump is 303, the cold water tank is 304, the third manual shut-off valve is 305, the fourth manual shut-off valve is 306, the fifth manual shut-off valve is 307, the sixth manual shut-off valve is 308, the seventh manual shut-off valve is 309, and the eighth manual shut-off valve is 310.
The temperature raising system unit includes: the regenerator is 401 and the first manual shut-off valve is 402.
The unit diffusing system unit 10 comprises: the bleed manual valve is 1001 and the sample manual valve is 1002.
Detailed Description
In order to further illustrate the technical solution of the present utility model, the present utility model is further illustrated by three embodiments according to the design scheme with reference to fig. 1.
Example 1
Referring to fig. 1, a pretreatment system for low concentration gas applied to a generator set comprises a gas inlet mixed main pipe, wherein a path of gas supply main pipe is connected to the gas inlet mixed main pipe and is connected with a coarse dehydration system unit 1 for removing residual liquid water in the gas, a total shutoff valve 2 is arranged on the gas supply main pipe, the total shutoff valve 2 is convenient for cutting off a gas source from the gas inlet mixed main pipe when the generator set is stopped for maintenance, wet gas after coarse dehydration is sent to a cooling dehydration system unit 3 for precooling and dehydration treatment, so that the humidity of the wet gas is reduced below saturation, and the gas after passing through the cooling dehydration system unit 3 is sent to a heating system unit 4 for heating treatment through the gas supply main pipe, so that the humidity of the gas is reduced below 80%, and then sent to the generator set 5 for use through the gas supply main pipe.
The coarse dehydration system unit 1 is a liquid-gas separator 101, a ninth manual shutoff valve 102 is arranged on a water outlet of the liquid-gas separator 101, an air inlet of the liquid-gas separator 101 is connected with a gas branch pipe, and a water outlet of the coarse dehydration system unit is connected with an inlet of a water seal drainer 6 through a drain pipe;
the cooling and dewatering system unit 3 comprises a cooling heat exchanger 301, a refrigerating machine 302, a circulating water pump 303 and a cold water tank 304, wherein an exhaust port of the liquid-gas separator 101 is connected with an air inlet of the cooling heat exchanger 301 through a gas supply main pipe, a water outlet of the cooling heat exchanger 301 is connected with an inlet of a water seal drainer 6 through a drain pipe, a circulating cold liquid inlet of the cooling heat exchanger 301 is connected with an outlet of the refrigerating machine 302 through a refrigerating liquid circulating supply pipe, an outlet of the refrigerating machine 302 is connected with the circulating water pump 303 through a refrigerating liquid circulating return pipe and then is connected with a circulating cold liquid inlet of the cooling heat exchanger 301, a fourth manual shutoff valve 306 is arranged on a water outlet of the cooling heat exchanger 301, a fifth manual shutoff valve 307 and a sixth manual shutoff valve 308 are respectively arranged on an inlet and an outlet of the refrigerating machine 302, and a seventh manual shutoff valve 309 and an eighth manual shutoff valve 310 are respectively arranged on an inlet and an outlet of the circulating water pump 303; in addition, the water outlet of the cold water tank 304 is connected with a refrigerating fluid circulation return pipe through a cold water supplementing pipe, a third manual shutoff valve 305 is arranged on the cold water supplementing pipe, and the cold water tank 304 is used for supplementing the loss of the cooling fluid by controlling the third manual shutoff valve 305
The heating system unit 4 is a heat regenerator 401, an air inlet of the heat regenerator 401 is connected with an air outlet of the cooling heat exchanger 301 through a gas supply main pipe, an air outlet of the heat regenerator 401 is connected with a fuel port of the generator set 5 through the gas supply main pipe, a cylinder liner cooling liquid return pipe and a cylinder liner cooling liquid supply pipe of the generator set 5 are respectively connected with a heating medium inlet and a heating medium outlet of the heat regenerator 401 through two paths of cooling liquid branch pipes, a first manual shutoff valve 402 and a second manual shutoff valve 403 are respectively arranged on the two paths of cooling liquid branch pipes, and the heat regenerator 401 utilizes heat carried in a cylinder liner cooling liquid loop of the generator set 5 to provide a heat source for the heat source to heat gas.
In the above embodiment, the drain port of the water seal drainer 6 is connected with the recovery water tank 8 through the drain recovery pipe, the recovery water tank 8 is provided with the drain pipe 9, and the drain water respectively from the liquid-gas separator 101, the cooling heat exchanger 301 and the precision filter 7 is collected into the water seal drainer 6 and then uniformly conveyed into the recovery water tank 8, so as to realize recycling of the drain water removed from the gas, and the water seal drainer 6 is convenient for all processing equipment to prevent gas leakage during drainage.
Example two
In order to ensure the gas cleanliness requirement of the low-concentration gas internal combustion engine unit, residual fine impurities in the gas are filtered. In the first embodiment, we add a technical solution of the precision filter, and the specific implementation manner is as follows: the precise filter 7 is arranged on a gas supply main pipe between the heat regenerator 401 and the generator set 5, the filtering precision is less than or equal to 5 micrometers, an inlet and an outlet of the precise filter 7 are respectively connected with the heat regenerator 401 and the generator set 5, a discharge port of the precise filter 7 is connected with an inlet of the water seal drainer 6 through a drain pipe, and a tenth manual shutoff valve 11 is arranged on the discharge port of the precise filter 7.
Example III
In order to ensure that the gas in the generator set and the branch pipes thereof is emptied when the gas internal combustion generator set is overhauled. We supplement the following example modes in example two: the gas supply pipe between the temperature rising system unit 4 and the precision filter 7 is provided with a unit diffusing system unit 10, wherein the unit diffusing system unit 10 comprises a gas supply branch pipe connected with a gas supply main pipe between the heat regenerator 401 and the precision filter 7, the gas supply branch pipe is divided into two paths, one path is a diffusing pipe which is connected with an emptying diffusing main pipe, and a diffusing manual valve 1001 is arranged on the diffusing pipe; the other path is a nitrogen gas replacement sampling tube, and a sampling manual valve 1002 is arranged on the nitrogen gas replacement sampling tube. The unit diffusing system unit 10 is used for evacuating gas in the generator set and the branch pipes thereof when the gas internal combustion generator set is overhauled.
The working principle is as follows: the gas is introduced from the gas inlet mixing main pipe, the pressure of a gas pipeline at the joint is generally 6-8 kPa, the working temperature is generally normal temperature, and the design pressure of the gas pipeline is 15kPa. A shutoff valve is sequentially arranged on the gas supply pipe behind the connector and used for cutting off gas supply; the liquid-gas separator is used for removing liquid water in the gas so as to realize preliminary filtration; the temperature of the gas is reduced through the temperature-reducing heat exchanger in the temperature-reducing dehydration system unit, the refrigerating machine provides cooling liquid for the temperature-reducing heat exchanger, the circulating water pump provides power for the cooling liquid, and the cooling liquid tank supplements the cooling liquid loss through controlling the third manual shutoff valve; the heat regenerator heats the gas by using cylinder liner cooling liquid; the generator set empties the gas in the set and the branch pipes thereof through a bleeding manual valve; the fine impurities in the gas can be filtered by the precise filter, then the gas enters the low-concentration gas generator set to burn and generate electricity, all the discharged water is uniformly conveyed to the recovery water tank after being discharged to the water seal drainer, and the discharged water removed from the gas is recycled.
While the principal features and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the detailed description of the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the utility model, and the inventive concept and design concept of the utility model shall be equally included in the scope of the utility model disclosed in the appended claims. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a pretreatment systems in generating set is applied to low concentration gas, includes gas inlet mixing main pipe, its characterized in that: the gas supply system is characterized in that a gas supply main pipe is connected to a gas inlet mixing main pipe and is connected with a coarse dehydration system unit (1) for removing residual liquid water in gas, a total shutoff valve (2) is arranged on the gas supply main pipe, the total shutoff valve (2) is convenient for cutting off a gas source from the gas inlet mixing main pipe when a gas generator set is stopped and overhauled, wet gas after coarse dehydration is sent to a cooling dehydration system unit (3) for precooling and dehydration treatment, so that the humidity of the wet gas is reduced below saturation, the gas after passing through the cooling dehydration system unit (3) is sent to a heating system unit (4) for heating treatment through the gas supply main pipe, so that the humidity of the gas is reduced below 80%, and then the wet gas is sent to a generator set (5) for use through the gas supply main pipe.
2. A pretreatment system for low concentration gas applications in a generator set as claimed in claim 1, wherein: the coarse dehydration system unit (1) is a liquid-gas separator (101), an air inlet of the liquid-gas separator (101) is connected with a gas branch pipe, and a water outlet of the coarse dehydration system unit is connected with an inlet of a water seal drainer (6) through a drain pipe;
the cooling and dewatering system unit (3) comprises a cooling heat exchanger (301), a refrigerating machine (302) and a circulating water pump (303), wherein an exhaust port of the liquid-gas separator (101) is connected with an air inlet of the cooling heat exchanger (301) through a gas supply main pipe, a water outlet of the cooling heat exchanger (301) is connected with an inlet of a water seal drainer (6) through a water drain pipe, a circulating cold liquid inlet of the cooling heat exchanger (301) is connected with an outlet of the refrigerating machine (302) through a refrigerating liquid circulating liquid supply pipe, and an outlet of the refrigerating machine (302) is connected with a circulating cold liquid inlet of the cooling heat exchanger (301) after being connected with the circulating water pump (303) through a refrigerating liquid circulating liquid return pipe;
the heating system unit (4) is a heat regenerator (401), an air inlet of the heat regenerator (401) is connected with an air outlet of the cooling heat exchanger (301) through a gas supply main pipe, the air outlet of the heat regenerator (401) is connected with a fuel port of the generator set (5) through the gas supply main pipe, a cylinder liner cooling liquid return pipe and a cylinder liner cooling liquid supply pipe of the generator set (5) are respectively connected with a heating medium inlet and a heating medium outlet of the heat regenerator (401) through two paths of cooling liquid branch pipes, a first manual shutoff valve (402) and a second manual shutoff valve (403) are respectively arranged on the two paths of cooling liquid branch pipes, and the heat regenerator (401) utilizes heat carried in a cylinder liner cooling liquid loop of the generator set (5) to heat gas.
3. A pretreatment system for low concentration gas application in a generator set as claimed in claim 2, wherein: a gas supply main pipe between the heat regenerator (401) and the generator set (5) is provided with a precise filter (7), the filtering precision of the precise filter is less than or equal to 5 microns, an inlet and an outlet of the precise filter (7) are respectively connected with the heat regenerator (401) and the generator set (5), and a discharge port of the precise filter is connected with an inlet of the water seal drainer (6) through a drain pipe.
4. A pretreatment system for low concentration gas applications in a generator set as claimed in claim 3, wherein: the gas generator set comprises a heat regenerator (401) and a precise filter (7), and is characterized by further comprising a unit diffusing system unit (10) arranged between the heat regenerator (401) and the precise filter (7), wherein the unit diffusing system unit (10) is used for evacuating gas in the generator set and a branch pipe thereof when the gas internal combustion generator set is overhauled.
5. A pretreatment system for low concentration gas applications in a generator set as claimed in claim 4, wherein: the unit diffusing system unit (10) comprises a gas supply branch pipe connected with a gas supply main pipe between a heat regenerator (401) and a precision filter (7), wherein the gas supply branch pipe is divided into two paths, one path is a diffusing pipe which is connected with an evacuating and diffusing main pipe, and a diffusing manual valve (1001) is arranged on the diffusing pipe; the other path is a nitrogen replacement sampling tube, and a sampling manual valve (1002) is arranged on the nitrogen replacement sampling tube.
6. Pretreatment system for use of low concentration gas according to any of claims 2 to 5 in a generator set, characterized in that: the drainage port of the water seal drainer (6) is connected with the recovery water tank (8) through a drainage recovery pipe, an emptying pipe (9) is arranged on the recovery water tank (8), drainage from the liquid-gas separator (101), the cooling heat exchanger (301) and the precision filter (7) is collected into the water seal drainer (6) and then uniformly conveyed into the recovery water tank (8), drainage removed from gas is recycled, and the water seal drainer (6) is convenient for all treatment equipment to prevent gas leakage during drainage.
7. A pretreatment system for low concentration gas application in a generator set as claimed in claim 6, wherein: the cooling and dewatering system unit (3) further comprises a cold water tank (304), a water outlet of the cold water tank (304) is connected with a refrigerating fluid circulation liquid return pipe through a cold water supplementing pipe, a third manual shutoff valve (305) is arranged on the cold water supplementing pipe, and the cold water tank (304) is used for supplementing the loss of the cooling fluid through controlling the third manual shutoff valve (305).
8. A pretreatment system for low concentration gas application in a generator set as claimed in claim 7, wherein: a fourth manual shut-off valve (306) is arranged on a water outlet of the cooling heat exchanger (301), a fifth manual shut-off valve (307) and a sixth manual shut-off valve (308) are respectively arranged on an inlet and an outlet of the refrigerator (302), and a seventh manual shut-off valve (309) and an eighth manual shut-off valve (310) are respectively arranged on an inlet and an outlet of the circulating water pump (303).
9. A pretreatment system for low concentration gas application in a generator set as claimed in claim 7, wherein: a ninth manual shutoff valve (102) is arranged on a water outlet of the liquid-gas separator (101).
10. A pretreatment system for low concentration gas application in a generator set according to any of claims 3 to 5, characterized in that: a tenth manual shutoff valve (11) is provided at the discharge port of the fine filter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891723.6U CN220467893U (en) | 2023-07-19 | 2023-07-19 | Pretreatment system for low-concentration gas applied to generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891723.6U CN220467893U (en) | 2023-07-19 | 2023-07-19 | Pretreatment system for low-concentration gas applied to generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220467893U true CN220467893U (en) | 2024-02-09 |
Family
ID=89801900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321891723.6U Active CN220467893U (en) | 2023-07-19 | 2023-07-19 | Pretreatment system for low-concentration gas applied to generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220467893U (en) |
-
2023
- 2023-07-19 CN CN202321891723.6U patent/CN220467893U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103993920B (en) | A kind of island energy supplying system utilizing cold energy | |
| CN211623643U (en) | Waste heat recovery system of air compressor | |
| CN102061206A (en) | Pressure reduction gas desulfurization method | |
| CN101482006A (en) | Combined heat and power generation system used for oil field | |
| CN107013271B (en) | Comprehensive utilization system for natural gas power generation complementary energy | |
| CN220467893U (en) | Pretreatment system for low-concentration gas applied to generator set | |
| CN204716420U (en) | Case sled formula natural gas generator group device | |
| CN104457299A (en) | Screw expander dragged sintering wast heat power generation system and method | |
| CN101368749B (en) | Recirculated water low-level regenerated energy heating system of cooling column in thermal plant and refrigeration plant | |
| CN105401985B (en) | Distributed busbar protection gasification LNG system and method | |
| CN115773492A (en) | Wet nitrogen charging maintenance method for quick start of waste heat boiler of gas turbine | |
| CN202002072U (en) | Thermal system | |
| CN102464999B (en) | Oil gas absorption recovering method | |
| CN201568260U (en) | Waste heat recovery system for air compressor system | |
| CN110219628B (en) | Flue gas thermal oil extraction equipment | |
| CN206502787U (en) | A kind of removing tar dirt system of coke-stove gas | |
| CN205297662U (en) | System for integrated double reheat unit and decarbonization device | |
| CN103277154B (en) | The CO2 of coal fired power plant based on single cylinder back pressure turbine removes integrated system | |
| CN201177254Y (en) | Condensed water closed type integral reclamation and utilization system | |
| CN107365606B (en) | Energy-saving zero-emission multipurpose molecular sieve dehydration device | |
| CN215209273U (en) | Carbon dioxide recovery unit in well head gas | |
| CN111238086B (en) | Energy complementation and heat cascade utilization system of oilfield united station | |
| CN210624988U (en) | Cold and heat exchange system with multi-level structure | |
| CN111777299B (en) | Oily sludge pyrolysis energy recovery system based on single screw expander | |
| CN112304108B (en) | System and method for utilizing heat of blowing compressed air for combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |