CN112675651A - Farm ventilation method and polluted gas purification device - Google Patents
Farm ventilation method and polluted gas purification device Download PDFInfo
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- CN112675651A CN112675651A CN202011529524.1A CN202011529524A CN112675651A CN 112675651 A CN112675651 A CN 112675651A CN 202011529524 A CN202011529524 A CN 202011529524A CN 112675651 A CN112675651 A CN 112675651A
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses a farm ventilation method and a polluted gas purification device, wherein the ventilation method comprises the steps of enabling polluted gas generated by a farm to enter a primary filtering and purifying system for filtering through an exhaust pipeline; the filtered polluted gas enters a secondary washing and purifying system through an exhaust induced draft fan for spraying and purification; discharging the purified gas after spraying and purifying through a purified gas exhaust port; the sprayed waste liquid enters a waste liquid sterilization and deodorization system for sterilization and deodorization treatment; discharging the waste liquid after the sterilization and deodorization treatment; the fresh air evenly distributed who can guarantee the input at outdoor clean air input pipeline and the indoor gaseous circulation mode that breed the canopy top and set up to each cubical space of plant can make the interior polluted gas of plant effectively subside the filtering in the discharge process again, and in addition, it washes the polluted gas and implements the liquid behind the innocent treatment still can regard as liquid fertilizer utilization as resources, its environmental protection and energy saving, improvement economic benefits.
Description
Technical Field
The invention belongs to the technical field of environmental protection of environmental management, and particularly relates to a farm ventilation method and a polluted gas purification device.
Background
At present, with the development of the breeding industry, the requirements on the environmental conditions of the farms are higher and higher. The air exchange system of prior art's plant is mostly traditional exhaust fan and installs in one end, breeds the top side of big-arch shelter and the other end and leaves the structure that the waste gas of air intake with the plant directly discharged through exhaust fan one end, and the polluted gas that not only the plant produced is untreated, directly discharges the atmosphere, leads to environmental pollution comparatively serious, and it is inhomogeneous to have to take a breath moreover, and indoor dirty gaseous can bring the disease for the beasts and birds of raising, increases the cost of raising.
Disclosure of Invention
The invention provides a farm ventilation method and a polluted gas purification device, and aims to solve the problems that in the prior art, a ventilation system of a farm directly discharges waste gas of the farm, so that polluted gas generated by the farm is directly discharged to the atmosphere without being treated, so that the environmental pollution is serious, the indoor ventilation is not uniform, indoor polluted gas can bring diseases to raised livestock and poultry, and the raising cost is increased.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention firstly provides a farm ventilation method, which comprises the following steps,
the polluted gas generated by the farm enters a primary filtering and purifying system for filtering through an exhaust pipeline;
the filtered polluted gas enters a secondary washing and purifying system through an exhaust induced draft fan for spraying and purification;
discharging the purified gas after spraying and purifying through a purified gas exhaust port;
injecting the sprayed waste liquid into a sterilization and deodorization medium through a waste liquid sterilization and deodorization system for treatment;
discharging the waste liquid after the sterilization and deodorization treatment.
According to the aeration method for the farm, a polluted gas monitoring sensor is further installed in the farm, and when the concentration content of the polluted gas is equal to or greater than a preset value according to the monitoring result of the polluted gas monitoring sensor, the polluted gas generated by the farm enters a primary filtering and purifying system through an exhaust pipeline to be filtered.
In the method for ventilating a farm of the present invention, the exhaust duct is installed at the bottom of the farm.
The ventilation method for the farm is characterized in that the secondary washing and purifying system is further provided with a washing liquid circulating loop for recycling the washing liquid for unsaturated purification, the washing liquid circulating loop comprises a circulating pipe, one end of the circulating pipe is communicated and connected with the spraying pipe, and the other end of the circulating pipe is communicated and connected with the first liquid storage tank;
and enabling the washed unsaturated washing liquid for purification to enter the secondary washing and purifying system again through the washing liquid circulation loop for mist spraying and purification.
The method for ventilating the farm of the invention further comprises the steps of arranging a gas-liquid separator in the secondary washing and purifying system, carrying out gas-liquid separation on the primary purified gas subjected to mist spraying and purification by the secondary washing and purifying system through the gas-liquid separator, and discharging the purified gas subjected to gas-liquid separation through the purified gas exhaust port.
The invention provides a farm polluted gas purification device, which is used for realizing the farm ventilation method, and comprises a primary filtering and purifying system, a harmful gas monitoring system, an exhaust draught fan, a secondary washing and purifying system and a waste liquid sterilizing and deodorizing system, wherein an air inlet of the primary filtering and purifying system is communicated and connected with an exhaust pipeline of the farm; one-level filtration purification system's gas outlet with the air inlet intercommunication of exhaust draught fan is connected, the gas outlet of exhaust draught fan with second grade washing purification system's air inlet intercommunication is connected, second grade washing purification system is provided with first reservoir, be provided with the drainage mouth on the first reservoir, the waste liquid deodorization system that disinfects is provided with the second reservoir, be provided with the inlet on the second reservoir, first reservoir the drainage mouth with the second reservoir the inlet intercommunication is connected, be provided with the leakage fluid dram on the second reservoir.
The device for purifying the polluted gas in the farm is further characterized in that the polluted gas monitoring sensors are arranged at least two positions in the farm.
According to the device for purifying the polluted gas in the farm, the exhaust pipeline is further installed at the bottom of the farm.
The polluted gas purification device for the farm is characterized in that the secondary washing and purification system is provided with a washing liquid circulation loop for recycling washing liquid for unsaturated purification, the washing liquid circulation loop comprises a circulation pipe, one end of the circulation pipe is communicated and connected with the spray pipe, and the other end of the circulation pipe is communicated and connected with the first liquid storage tank.
According to the polluted gas purification device for the farm, a gas-liquid separator is further arranged in the secondary washing and purifying system.
The invention has the beneficial effects that:
the invention relates to a farm air exchange method and a polluted gas purification device, which can solve the problems that the polluted gas generated by a farm in the prior art is directly discharged by an air exchange system of the farm, so that the polluted gas is directly discharged to the atmosphere without being treated, the environmental pollution is serious, the indoor air exchange is not uniform, the indoor polluted gas can bring diseases to the raised livestock and poultry, and the raising cost is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a contaminated gas purification apparatus according to the present invention.
Fig. 2 is a schematic structural view of an exhaust duct of an embodiment of the contaminated gas purification apparatus of the present invention.
Fig. 3 is a schematic structural view of an outdoor clean air input pipeline of an embodiment of the polluted gas purifying apparatus according to the present invention.
In the figure, 1 is the plant, 101 is the breed cage, 2 is the exhaust pipeline, 201 is the gas output pipeline, 202 is the gas output mouth of pipe, 3 is one-level filtration purification system, 4 is the exhaust draught fan, 5 is second grade washing purification system, 501 is the access hole, 502 is the shower, 503 is the shower nozzle, 504 is the waste liquid elimination pipe, 505 is the moisturizing pipe, 6 is waste liquid sterilization deodorization system, 7 is the purification gas vent, 8 is the polluted gas monitoring sensor, 9 is the washing liquid circulation circuit, 901 is the circulating pump, 10 is the vapour and liquid separator, 11 is outdoor clean air input pipeline, 110 is one-level outdoor clean air input pipeline, 111 is second grade outdoor clean air input pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A ventilation method for a farm comprises the following steps,
the polluted gas generated by the farm 1 enters a primary filtering and purifying system 3 for filtering through an exhaust pipeline 2;
the filtered polluted gas enters a secondary washing and purifying system 5 through an exhaust induced draft fan 4 for spraying and purification;
the purified gas after spraying and purification is discharged through a purified gas exhaust port 7;
injecting the sprayed waste liquid into a sterilization and deodorization medium through a waste liquid sterilization and deodorization system 6 for treatment;
discharging the waste liquid after the sterilization and deodorization treatment.
Example 2
The method for ventilating a farm according to embodiment 1, further comprising installing a contaminated gas monitoring sensor 8 in the farm 1, and when a monitoring result of the contaminated gas monitoring sensor 8 indicates that the concentration content of the contaminated gas is equal to or greater than a preset value, allowing the contaminated gas generated by the farm to enter the primary filtering and purifying system 3 through the exhaust pipeline 2 for filtering.
Further, the exhaust duct 2 is installed at the bottom of the farm 1.
Further, the secondary washing and purifying system 5 is provided with a washing liquid circulation loop 9 for recycling the washing liquid for unsaturated purification, the washing liquid circulation loop 9 comprises a circulation pipe, one end of the circulation pipe is communicated and connected with the spraying pipe 502, and the other end of the circulation pipe is communicated and connected with the first liquid storage tank; and arranging a washing liquid circulation loop 9 on the secondary washing and purifying system 5, and enabling the washed unsaturated washing liquid for purification to enter the secondary washing and purifying system 5 again through the washing liquid circulation loop 9 for mist spraying and purification.
Further, a gas-liquid separator 10 is arranged in the secondary washing and purifying system 5, the primary purified gas which is subjected to mist spraying and purification by the secondary washing and purifying system 5 is subjected to gas-liquid separation by the gas-liquid separator 10, and the purified gas which is subjected to gas-liquid separation is discharged through the purified gas exhaust port 7.
Example 3
A polluted gas purification device for a farm is used for realizing the ventilation method of the farm in embodiment 1 or embodiment 2, and comprises a primary filtering and purifying system 3, a harmful gas monitoring system, an exhaust draught fan 4, a secondary washing and purifying system 5 and a waste liquid sterilizing and deodorizing system 6 as shown in figure 1, wherein an air inlet of the primary filtering and purifying system 3 is communicated and connected with an exhaust pipeline 2 of the farm 1; the gas outlet of one-level filtration purification system 3 with the air inlet intercommunication of exhaust draught fan 4 is connected, the gas outlet of exhaust draught fan 4 with the air inlet intercommunication of second grade washing purification system 5 is connected, second grade washing purification system 5 is provided with first reservoir, be provided with the drainage mouth on the first reservoir, waste liquid deodorization system 6 that disinfects is provided with the second reservoir, be provided with the inlet on the second reservoir, first reservoir the drainage mouth with the second reservoir the inlet intercommunication is connected, be provided with the leakage fluid dram on the second reservoir.
Example 4
The plant polluted gas purification apparatus according to embodiment 3, further, the harmful gas monitoring system may be provided with polluted gas monitoring sensors 8, as shown in fig. 1, and the polluted gas monitoring sensors 8 are installed at least two positions in the plant 1.
Further, as shown in fig. 1, the exhaust duct 2 is installed at the bottom of the farm 1.
Further, as shown in fig. 1, the secondary washing and purifying system 5 is provided with a washing liquid circulation loop 9 for recycling the washing liquid for unsaturated purification, the washing liquid circulation loop 9 comprises a circulation pipe, one end of the circulation pipe is connected with the spraying pipe 502 in a communication manner, and the other end of the circulation pipe is connected with the first liquid storage tank in a communication manner.
It should be noted that, if the washing liquid in the second reservoir of the washing liquid circulation circuit 9 is already saturated with waste liquid, the washing liquid can be directly discharged through a liquid discharge port provided in the second reservoir. If the washing liquid in the second liquid storage tank is unsaturated washing liquid, that is, the washing liquid can be reused after sterilization and deodorization, the liquid outlet on the second liquid storage tank can be further communicated and connected with the spray pipe 502. At this time, the waste liquid sterilization and deodorization system 6 is disposed on the washing liquid circulation loop 9, and the washing liquid is circulated back to the shower pipe 502 to repeatedly participate in the washing work after being sterilized and deodorized by the waste liquid sterilization and deodorization system 6.
The waste liquid sterilization and deodorization system 6 can be provided with a sterilization and deodorization medium inlet which is positioned above the liquid storage tank, or the sterilization and deodorization medium inlet is communicated and connected with the liquid storage tank through a medium pipe, and the sterilization and deodorization medium is injected through the sterilization and deodorization medium inlet. The sterilization and deodorization medium of the waste liquid sterilization and deodorization system 6 can adopt ozone sterilization and deodorization, and ozone can be conveyed into a first liquid storage tank of a purification tower of the secondary washing and purification system 5 through a fan to perform aeration, deodorization and sterilization.
The liquid discharge port of the first reservoir is preferably provided at the bottom of the first reservoir, and the liquid discharge port of the second reservoir is preferably provided at the bottom of the second reservoir.
Further, a circulation power pump 901 is installed on the washing liquid circulation loop 9.
Further, as shown in fig. 1, a gas-liquid separator 10 is disposed in the two-stage washing and purifying system 5.
More specifically, as shown in fig. 2, the farm 1 is provided with at least two cultivation cages 101, and the cultivation cages 101 are uniformly distributed. The exhaust duct 2 functions to exhaust the indoor air of the farm 1. The exhaust pipeline 2 comprises a gas output pipeline 201, the upper end of the gas output pipeline 201 is provided with a gas output pipe orifice 202, and the gas output pipe orifice 202 is positioned at the bottom of the cultivation cage 101, namely the gas output pipe orifice 202 can be positioned at the lower part or the bottom of the cultivation shed of the cultivation farm 1, for example, the gas output pipe orifice 202 is positioned at the lower part or the bottom of the side wall of the cultivation farm 1, or for example, the gas output pipe orifice 202 is positioned at the lower part or the bottom of the inside of the cultivation farm 1, and meanwhile, the gas output pipeline 201 penetrates through the pipe orifice at the lower part or the bottom of the side wall of the cultivation; the gas outlet pipe 201 is preferably of an underground construction, i.e. the gas outlet pipe 201 is buried below the ground. The gas output pipes 201 may include a total gas output pipe and branch gas output pipes, the number of the branch gas output pipes connected to each total gas output pipe in a communication manner may be at least two, and the gas output nozzles 202 are respectively located at the upper ends of the branch gas output pipes. The number of total gas outlet lines can also be at least two. The gas outlet of the total gas output pipeline is communicated and connected with the gas inlet of the primary filtering and purifying system 2. Of course, the gas output nozzles 202 may also be disposed in the middle or at the bottom of the farm 1, or the gas output nozzles 202 may also be uniformly distributed in at least two layers at the vertical height of the farm 1, and meanwhile, the number of the gas output nozzles 202 in each layer at the vertical height may also be at least two, and are uniformly distributed in the horizontal circumferential direction. A control valve may be installed on the exhaust line 2.
More specifically, as shown in fig. 2, the farm 1 may be installed with an outdoor clean air input pipe 11, and the outdoor clean air input pipe 11 functions to input outdoor air into the farm 1. The outdoor clean air input line 11 is preferably disposed at the upper portion or top of the farm 1. The outdoor clean air input pipeline 11 may include a first-stage outdoor clean air input pipeline 110 and a second-stage outdoor clean air input pipeline 111, and the length of the first-stage outdoor clean air input pipeline 110 extending into the farm 1 may be greater than the length of the second-stage outdoor clean air input pipeline 111 extending into the farm 1. The number of the first-stage outdoor clean air input pipes 110 and the second-stage outdoor clean air input pipes 111 may be at least two, respectively, and the first-stage outdoor clean air input pipes and the second-stage outdoor clean air input pipes are uniformly spaced apart. Of course, both may be provided in at least two layers from bottom to top, and preferably they are evenly spaced in the horizontal circumferential direction on each layer. The pipe orifice of the outdoor clean air input pipeline 11 can be an opening formed in the side wall of the farm 1, or the pipe orifice of the outdoor clean air input pipeline 11 can be a pipe orifice structure extending into the interior of the farm 1 through a pipe orifice in the side wall of the farm 1. A control valve may be installed on the outdoor clean air input line 11. The outdoor clean air input pipe 11 may be provided with an intake fan. The outdoor clean air input pipe 11 may be provided with a filter screen. For example, an air intake fan is installed at the nozzle of the outdoor clean air input pipeline 11, and a filter screen is installed between the air intake fan and the indoor of the farm 1.
More specifically, as shown in fig. 1, the pollution gas monitoring sensors 8 may be installed in the farm 1 so as to be evenly distributed in the horizontal circumferential direction and the vertical circumferential direction, for example, on the inner wall of the farm 1. The pollution gas monitoring sensors 8 may be distributed in at least two layers from bottom to top inside the farm 1. The secondary washing and purifying system 5 can comprise a cylindrical washing tower, an access hole 501 can be formed in the side wall of the washing tower, an access door can be arranged at the access hole 501 through a flange, and a sealing strip can be arranged at the edge of the access hole 501. The purge gas vent 7 may be provided at the top of the secondary scrubber purge system 5, i.e. it may be provided at the top of the scrubber tower. The secondary washing and purifying system 5 comprises a spray pipe; specifically, a spray scrubber is arranged in the secondary washing and purifying system 5, the gas-liquid separator 10 is arranged below the purified gas exhaust port 7 and above the spray scrubber, that is, the spray scrubber is arranged in the washing tower, and the gas-liquid separator 10 is arranged in the washing tower, below the purified gas exhaust port 7 and above the spray scrubber. The spray scrubber includes a shower pipe 502 and a shower head 503 mounted on the shower pipe 502. A control valve may be mounted on the shower 502. The number of the shower pipes 502 may be at least two, the shower pipes 502 may also be distributed in at least two layers from top to bottom, and the number of the spray heads 503 on each shower pipe 502 may be at least two. The washing liquid circulation circuit 9 may include a circulation pipe, and the shower pipe 502 is connected to one end of the circulation pipe of the washing liquid circulation circuit 9 in communication therewith. The circulation pipe is provided with a circulation pump 901. The second-stage washing and purifying system 5 is provided with a circulating liquid inlet, and the other end of the circulating pipe of the washing liquid circulating loop 9 is communicated and connected with the circulating liquid inlet. The circulating pump 901 and the circulating pipe are both located outside the spray tower. The circulating liquid inlet can be arranged at the lower part or the bottom of the secondary washing and purifying system 5, namely the circulating liquid inlet can be arranged at the lower part or the bottom of the side wall of the spray tower and is positioned below the liquid level of the waste liquid, so that the washing liquid can be recycled. The lower part or bottom of the secondary washing and purifying system 5 may be provided with a waste liquid discharge port, and the waste liquid discharge port may be connected to the waste liquid discharge pipe 504. A control valve may be mounted on the waste drain pipe 504. The second-stage washing and purifying system 5 can be provided with a liquid supplementing port, namely, the side wall of the spray tower can be provided with the liquid supplementing port, and washing liquid can be supplemented into the washing tower through the liquid supplementing port. The liquid supplementing port can be communicated and connected with a liquid supplementing pipe 505, the liquid supplementing pipe 505 is positioned below the spraying washer, the liquid supplementing pipe 505 is positioned above the air inlet of the secondary washing and purifying system 5, and a control valve can be installed on the liquid supplementing pipe 505. The air inlet of the secondary washing and purifying system 5 is an air inlet arranged on the spray tower. The air inlet of the secondary washing and purifying system 5 is positioned above the waste liquid outlet.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A farm ventilation method is characterized by comprising the following steps,
the polluted gas generated by the farm enters a primary filtering and purifying system for filtering through an exhaust pipeline;
the filtered polluted gas enters a secondary washing and purifying system through an exhaust induced draft fan for spraying and purification;
discharging the purified gas after spraying and purifying through a purified gas exhaust port;
injecting the sprayed waste liquid into a sterilization and deodorization medium through a waste liquid sterilization and deodorization system for treatment;
discharging the waste liquid after the sterilization and deodorization treatment.
2. The ventilation method for the farm according to claim 1, wherein a polluted gas monitoring sensor is installed in the farm, and when the concentration content of the polluted gas is equal to or greater than a preset value as a monitoring result of the polluted gas monitoring sensor, the polluted gas generated by the farm is introduced into a primary filtering and purifying system through an exhaust pipeline for filtering.
3. The method of ventilating a farm of claim 1, wherein said exhaust duct is installed at a bottom of said farm.
4. The ventilation method for a farm according to claim 1, wherein the secondary washing and purification system is provided with a washing liquid circulation circuit for circulating the washing liquid for unsaturated purification, the washing liquid circulation circuit comprises a circulation pipe, one end of the circulation pipe is connected to the shower pipe in a communication manner, and the other end of the circulation pipe is connected to the first reservoir in a communication manner;
and enabling the washed unsaturated washing liquid for purification to enter the secondary washing and purifying system again through the washing liquid circulation loop for mist spraying and purification.
5. The ventilation method for a farm according to claim 1, wherein a gas-liquid separator is provided in the secondary washing and purifying system, the primary purified gas purified by the secondary washing and purifying system by mist spraying is subjected to gas-liquid separation by the gas-liquid separator, and the purified gas subjected to gas-liquid separation is discharged through the purified gas outlet.
6. A farm polluted gas purification device for realizing the farm air exchange method according to any one of claims 1 to 5, which is characterized by comprising a primary filtering and purifying system, a harmful gas monitoring system, an exhaust draught fan, a secondary washing and purifying system and a waste liquid sterilizing and deodorizing system, wherein an air inlet of the primary filtering and purifying system is communicated and connected with the exhaust pipeline of the farm; one-level filtration purification system's gas outlet with the air inlet intercommunication of exhaust draught fan is connected, the gas outlet of exhaust draught fan with second grade washing purification system's air inlet intercommunication is connected, second grade washing purification system is provided with first reservoir, be provided with the drainage mouth on the first reservoir, the waste liquid deodorization system that disinfects is provided with the second reservoir, be provided with the inlet on the second reservoir, first reservoir the drainage mouth with the second reservoir the inlet intercommunication is connected, be provided with the leakage fluid dram on the second reservoir.
7. A plant polluted gas purification apparatus according to claim 6, wherein polluted gas monitoring sensors are installed at least two locations in the plant.
8. The farm-contaminated gas purification apparatus according to claim 6, wherein said exhaust duct is installed at the bottom of said farm.
9. The purification apparatus of polluted gas from a farm according to claim 6, wherein said secondary washing and purification system is provided with a washing liquid circulation loop for circulating the washing liquid for unsaturated purification, said washing liquid circulation loop comprising a circulation pipe, one end of said circulation pipe being connected to said shower pipe in communication, and the other end of said circulation pipe being connected to said first reservoir in communication.
10. The purification apparatus of polluted gases from a farm according to claim 6, wherein a gas-liquid separator is provided in said secondary washing and purification system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011529524.1A CN112675651A (en) | 2020-12-22 | 2020-12-22 | Farm ventilation method and polluted gas purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529524.1A CN112675651A (en) | 2020-12-22 | 2020-12-22 | Farm ventilation method and polluted gas purification device |
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| CN112675651A true CN112675651A (en) | 2021-04-20 |
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| CN202011529524.1A Pending CN112675651A (en) | 2020-12-22 | 2020-12-22 | Farm ventilation method and polluted gas purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115428735A (en) * | 2022-09-05 | 2022-12-06 | 上海莫兰迪环境科技有限公司 | Air circulation purification and regulation system and method for farm |
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