CN211487140U - Breed exhaust-gas treatment equipment - Google Patents

Breed exhaust-gas treatment equipment Download PDF

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Publication number
CN211487140U
CN211487140U CN201922162541.5U CN201922162541U CN211487140U CN 211487140 U CN211487140 U CN 211487140U CN 201922162541 U CN201922162541 U CN 201922162541U CN 211487140 U CN211487140 U CN 211487140U
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Prior art keywords
gas
exhaust
waste gas
pipe
spray
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CN201922162541.5U
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Chinese (zh)
Inventor
王新
王珍
王谷雨
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Beijing Lvdu Lantian Environmental Protection Engineering Co ltd
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Beijing Lvdu Lantian Environmental Protection Engineering Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The utility model relates to a breed exhaust-gas treatment equipment, including the waste gas collecting pipe, waste gas collecting pipe connects the fan, and the fan export passes through the pipe connection spray column, and the spray column gas outlet passes through the pipe connection ammonia absorption tower, and the ammonia absorption tower passes through elevator pump and acid water pool intercommunication, and photolysis catalysis case is connected to ammonia absorption tower gas outlet, and exhaust apparatus is connected to photolysis catalysis case gas outlet. Utility model discloses can effectively purify waste gas, reduce harmful gas concentrations such as ammonia, reduce the emission of particulate matter, reduce pm 2.5's emission, effectively get rid of poisonous and harmful gas, reduce the pollution of waste gas to the environment.

Description

Breed exhaust-gas treatment equipment
Technical Field
The utility model belongs to the technical field of the exhaust-gas treatment technique and specifically relates to a breed exhaust-gas treatment equipment is related to.
Background
According to statistics, China is a big livestock and poultry breeding country, livestock and poultry breeding accounts for 40% of agricultural output value, and breeding industry is an important industry related to national civilization. However, in recent years, the pollution prevention and treatment problem of livestock and poultry breeding is increasingly prominent, and the pollution of livestock and poultry breeding becomes the first pollution source of agriculture in China.
The organic matters and ammonia nitrogen in the farm are high in concentration, and the discharged gas contains harmful gases such as ammonia gas and harmful substances such as dust. If the waste gas of the farm is directly discharged into the external environment without being effectively treated, the environment is seriously polluted, and the ozone layer is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a breed exhaust-gas treatment equipment, harmful components in the beasts and birds waste gas can effectively be got rid of to this equipment, reduces the emission of particulate matter, reduces pm 2.5's emission, and waste gas purification rate is high, and is energy-concerving and environment-protective.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a breed exhaust-gas treatment equipment, includes the waste gas collecting pipe, waste gas collecting pipe connects the fan, the fan export passes through the pipe connection spray column, the spray column gas outlet passes through the pipe connection ammonia absorption tower, the ammonia absorption tower passes through elevator pump and acid water pond intercommunication, and photolysis catalysis case is connected to the gas outlet of ammonia absorption tower, exhaust apparatus is connected to the gas outlet of photolysis catalysis case.
By adopting the technical scheme, the waste gas collecting pipe is communicated to the culture area, waste gas is introduced into the spray tower through the fan, the waste gas is contacted with acid liquor entering the ammonia gas absorption tower, ammonia gas is neutralized and absorbed through the acid liquor, and the ammonia gas and hydrogen sulfide in the waste gas can be effectively decomposed and treated through acidic circulating water treatment contained in the ammonia gas absorption tower.
The present invention may be further configured in a preferred embodiment as: and a spray pipe is arranged in the spray tower, the spray pipe is connected with the water storage tank through a circulating pump, and an atomizer is arranged at a water outlet of the spray pipe.
Through adopting above-mentioned technical scheme, pressurize the shower through the circulating pump with the water in the cistern, the atomizer on the shower makes and presents vaporificly in the spray column, and the gas that gets into in the spray column is under this environment, and attached to liquid drops such as impurity, dust in the waste gas sink to the spray column bottom under the action of gravity, play the effect of purifying waste gas.
The present invention may be further configured in a preferred embodiment as: and a water return pipe communicated with the upper end of the water storage tank is arranged at the lower part of the spray tower.
By adopting the technical scheme, the liquid sprayed and falling by the spraying pipe flows back to the water storage tank through the water return pipe, so that the water used for spraying is recycled, and the energy-saving and environment-friendly effects are achieved.
The present invention may be further configured in a preferred embodiment as: the lower part of the spray tower is arc-shaped, and a blow-down valve is arranged at the bottom end of the spray tower.
By adopting the technical scheme, the lower part of the spray tower is arc-shaped, so that impurities, dust and the like in the gas can be gathered at the bottom end of the spray tower, convenience is provided for cleaning the spray tower regularly, and only the blow-down valve at the bottom end of the spray tower needs to be opened.
The present invention may be further configured in a preferred embodiment as: the lower end of the ammonia absorption tower is communicated with the acid water tank through a return pipe.
By adopting the technical scheme, the liquid obtained by the reaction of the acidic liquid in the ammonia absorption tower and the ammonia falls to the bottom of the ammonia absorption tower and flows into the acidic water tank through the return pipe, so that the process avoids the emission of the reaction liquid to pollute the environment, the liquid in the acidic water tank is recycled, and the purposes of energy conservation and environmental protection are achieved. After the acid water tank is used for a certain time, the acid water tank can be subjected to harmless treatment and then discharged.
The present invention may be further configured in a preferred embodiment as: and a gas sensor is arranged in the waste gas collecting pipe and connected with a PLC (programmable logic controller), and the PLC is connected with the fan.
Through adopting above-mentioned technical scheme, detect gas concentrations such as hydrogen sulfide, ammonia in the plant through gas sensor, the rotational speed of PLC controller according to the signal control fan of gas sensor conveying, according to the rotational speed of the concentration adjustment fan of waste gas, can reduce the energy consumption, practice thrift the cost, reach energy saving and consumption reduction's effect.
The present invention may be further configured in a preferred embodiment as: the photolysis catalysis box is internally provided with a catalytic catalyst which is a metal oxide catalytic catalyst.
By adopting the technical scheme, under the catalytic action of the catalytic catalyst, the waste gas is decomposed at an accelerated speed, and strong oxidants such as hydroxyl free radicals and superoxide anion free radicals can be generated while the waste gas is degraded, so that the waste gas purification efficiency can be improved.
The present invention may be further configured in a preferred embodiment as: ultraviolet lamps are arranged on two sides of the catalytic catalyst along the gas flowing direction.
By adopting the technical scheme, the waste gas is degraded and converted into low molecular compounds, such as carbon dioxide, water and the like, under the irradiation of high-energy ultraviolet beams.
The catalytic effect is improved under the irradiation of ultraviolet light beams with specific wavelength at two sides of the catalytic catalyst, and the waste gas is decomposed in an accelerated way.
The present invention may be further configured in a preferred embodiment as: exhaust apparatus includes the centrifuge of being connected with photolysis catalysis case, the blast pipe is connected to the centrifuge other end.
Through adopting above-mentioned technical scheme, the waste gas after the purification reaches the environmental protection requirement, discharges away through the blast pipe under centrifuge's effect, has avoided the direct discharge of waste gas in place of breeding to the destruction that causes the environment.
To sum up, the utility model discloses a beneficial technological effect does:
the utility model discloses can effectively purify waste gas, reduce harmful gas concentrations such as ammonia, reduce the emission of particulate matter, reduce pm 2.5's emission, effectively get rid of poisonous and harmful gas, reduce the pollution of waste gas to the environment.
Through setting up gas sensor can real-time detection breed the waste gas concentration in the place to give the rotational speed that PLC controller was used for controlling the fan with concentration signal transfer, when concentration increases, the fan rotational speed accelerates, otherwise, the fan rotational speed reduces, reaches energy saving and consumption reduction's purpose.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure, 1, exhaust gas collection pipe; 2. a fan; 21. a gas sensor; 22. a filter screen; 3. a spray tower; 31. a shower pipe; 311. an atomizer; 32. a circulation pump; 33. a water storage tank; 34. a water return pipe; 35. a blowoff valve; 4. an ammonia gas absorption tower; 41. a return pipe; 5. an acid water tank; 6. a lift pump; 7. a photolytic catalytic tank; 71. a catalytic catalyst; 72. an ultraviolet lamp; 8. an exhaust device; 81. a centrifuge; 82. an exhaust pipe; 9. a demister.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, a breed exhaust-gas treatment equipment, including exhaust-gas collection pipe 1, exhaust-gas collection pipe 1 connects fan 2, and 2 exports of fan pass through pipe connection spray column 3, and 3 gas outlets of spray column pass through pipe connection ammonia absorption tower 4, and ammonia absorption tower 4 passes through elevator pump 6 and acidic water pool 5 intercommunication, and photolysis catalysis case 7 is connected to the gas outlet of ammonia absorption tower 4, and exhaust apparatus 8 is connected to the gas outlet of photolysis catalysis case 7.
The waste gas collecting pipe 1 is communicated to a culture area, waste gas is introduced into the spray tower 3 through the fan 2, the waste gas is contacted with acid liquor entering the ammonia gas absorption tower 4, ammonia gas is neutralized and absorbed through the acid liquor, and the ammonia gas and hydrogen sulfide in the waste gas can be effectively decomposed through acidic circulating water treatment contained in the ammonia gas absorption tower 4.
Fan 2 in this embodiment still is equipped with filter screen 22, can filter large granule impurity, carries out coarse filtration to waste gas.
The spray tower 3 in this embodiment is provided with a spray pipe 31, the spray pipe 31 is connected with a water storage tank 33 through a circulating pump 32, and a water outlet of the spray pipe 31 is provided with an atomizer 311.
The shower 31 sets up the upper portion at spray column 3, the air inlet setting of spray column 3 is in the lower part of spray column 3, the mouth that goes out of spray column 3 sets up the top at spray column 3, waste gas is from little upward flow in spray column 3, pressurize the shower 31 through circulating pump 32 with the water in the cistern, atomizer 311 on the shower 31 makes and appears vaporificly in the spray column 3, the gas that gets into in the spray column 3 is under this environment, impurity in the waste gas, attached liquid drops such as dust sink to the spray column 3 bottom under the action of gravity, play the effect of purifying waste gas.
The lower part of the spray tower 3 is provided with a water return pipe 34 communicated with the upper end of the water storage tank 33.
The liquid sprayed and falling by the spraying pipe 31 flows back to the water storage tank 33 through the water return pipe 34, so that the water used for spraying is recycled, and the effects of energy conservation and environmental protection are achieved.
The lower part of the spray tower 3 is arc-shaped, and the bottom end of the spray tower 3 is provided with a drain valve 35.
The lower part of the spray tower 3 is arc-shaped, so that impurities, dust and the like in the gas can be gathered at the bottom end of the spray tower 3, convenience is provided for cleaning the spray tower 3 regularly, and only the blow-down valve 35 at the bottom end of the spray tower 3 needs to be opened.
The height of the water return pipe 34 and the height of the blow-down valve 35 in this embodiment are set to a certain height, so that the impurities, dust, etc. at the bottom of the spray tower 3 can be prevented from entering the water storage tank 33 from the water return pipe 34.
The lower end of the ammonia absorption tower 4 is communicated with the acid water tank 5 through a return pipe 41.
The acid liquor inlet of the ammonia absorption tower 4 in the embodiment is positioned at the upper end of the ammonia absorption tower 4, so that the waste gas entering the ammonia absorption tower 4 can fully react with the acid liquor, the acidic liquid in the ammonia absorption tower 4 and the liquid after the reaction of the ammonia fall to the bottom of the ammonia absorption tower 4 and flow into the acidic water tank 5 through the return pipe 41, the process avoids the emission of the reaction liquid to pollute the environment, the liquid in the acidic water tank 5 is recycled, and the purposes of energy conservation and environmental protection are achieved. After the acid water tank 5 is used for a certain time, the acid water tank can be subjected to harmless treatment and then discharged.
A gas sensor 21 is arranged in the waste gas collecting pipe 1, the gas sensor 21 is connected with a PLC (programmable logic controller), and the PLC is connected with the fan 2.
Detect gas concentration such as hydrogen sulfide, ammonia in the plant through gas sensor 21, the rotational speed of PLC controller according to the signal control fan 2 of gas sensor 21 conveying, according to the rotational speed of the concentration adjustment fan 2 of waste gas, can reduce the energy consumption, practice thrift the cost, reach energy saving and consumption reduction's effect.
The PLC controller of this embodiment adopts common logic determination, which is a common prior art.
The type of the gas sensor 21 may be selected according to the gas to be detected, and the gas sensor 21 may include at least one of an ammonia gas concentration sensor, a hydrogen sulfide concentration sensor, and a methane sensor.
The photolysis catalyst box 7 is provided with a catalyst 71, and the catalyst 71 is a metal oxide catalyst 71.
Under the catalytic action of the catalytic catalyst 71, the exhaust gas is accelerated to decompose, and strong oxidants such as hydroxyl radicals and superoxide anion radicals are generated while the exhaust gas is degraded, so that the exhaust gas purification efficiency can be improved.
Ultraviolet lamps 72 are provided on both sides of the catalyst 71 in the gas flow direction.
The waste gas is degraded and converted into low molecular compounds, such as carbon dioxide, water and the like, under the irradiation of high-energy ultraviolet beams.
Both sides of the catalyst 71 are irradiated with ultraviolet rays having a specific wavelength to enhance the catalytic effect, and the exhaust gas is decomposed at an accelerated rate.
The ultraviolet light beam can also decompose oxygen molecules in the air to generate free oxygen, namely active oxygen, and the free oxygen carries out imbalance of positive and negative electrons so that the active oxygen needs to be combined with the oxygen molecules to further generate ozone, and the ozone has extremely strong oxidation effect on organic matters and generates good deodorization effect on malodorous gas and other pungent smells.
The ultraviolet lamp 72 may kill germs in the exhaust gas.
In this embodiment, still be equipped with defroster 9 between ammonia absorption tower 4 and photolysis catalysis case 7, this defroster 9 can carry out gas-liquid separation, gets rid of material such as remaining acidizing fluid, hydrogen sulfide, prolongs the life of photolysis catalysis case 7.
The exhaust device 8 includes a centrifuge 81 connected to the photolysis catalyst tank 7, and an exhaust pipe 82 is connected to the other end of the centrifuge 81.
The purified waste gas meets the environmental protection requirement and is discharged out through the exhaust pipe 82 under the action of the centrifugal machine 81, so that the damage to the environment caused by directly discharging the waste gas of the culture place is avoided.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a breed exhaust-gas treatment equipment, a serial communication port, including exhaust-gas collection pipe (1), fan (2) are connected in exhaust-gas collection pipe (1), fan (2) export is through pipe connection spray column (3), spray column (3) gas outlet passes through pipe connection ammonia absorption tower (4), ammonia absorption tower (4) are through elevator pump (6) and acid water pool (5) intercommunication, and photolysis catalysis case (7) is connected to the gas outlet of ammonia absorption tower (4), exhaust apparatus (8) is connected to the gas outlet of photolysis catalysis case (7).
2. The cultivation waste gas treatment equipment as claimed in claim 1, wherein a spray pipe (31) is arranged in the spray tower (3), the spray pipe (31) is connected with a water storage tank (33) through a circulating pump (32), and an atomizer (311) is arranged at the water outlet of the spray pipe (31).
3. The cultivation waste gas treatment facility as claimed in claim 1 or 2, wherein the lower part of the spray tower (3) is provided with a return pipe (34) communicating with the upper end of the water storage tank (33).
4. The cultivation waste gas treatment equipment as claimed in claim 1 or 2, wherein the lower end of the spray tower (3) is arc-shaped, and the bottom end of the spray tower (3) is provided with a drain valve (35).
5. The cultivation waste gas treatment facility as claimed in claim 1, wherein the lower end of the ammonia gas absorption tower (4) is communicated with the acid water tank (5) through a return pipe (41).
6. The cultivation waste gas treatment equipment as claimed in claim 1, wherein a gas sensor (21) is arranged in the waste gas collection pipe (1), the gas sensor (21) is connected with a PLC (programmable logic controller), and the PLC is connected with the fan (2).
7. The aquaculture exhaust gas treatment plant according to claim 1, wherein a catalytic catalyst (71) is disposed in the photolysis catalyst tank (7), and the catalytic catalyst (71) is a metal oxide catalytic catalyst (71).
8. The cultivation waste gas treatment facility as claimed in claim 7, wherein the catalytic catalyst (71) is provided with ultraviolet lamps (72) at both sides.
9. The cultivation waste gas treatment facility according to claim 1, wherein the exhaust device (8) comprises a centrifuge (81) connected to the photolytic catalytic tank (7), and the other end of the centrifuge (81) is connected to an exhaust pipe (82).
CN201922162541.5U 2019-12-05 2019-12-05 Breed exhaust-gas treatment equipment Active CN211487140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922162541.5U CN211487140U (en) 2019-12-05 2019-12-05 Breed exhaust-gas treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922162541.5U CN211487140U (en) 2019-12-05 2019-12-05 Breed exhaust-gas treatment equipment

Publications (1)

Publication Number Publication Date
CN211487140U true CN211487140U (en) 2020-09-15

Family

ID=72413648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922162541.5U Active CN211487140U (en) 2019-12-05 2019-12-05 Breed exhaust-gas treatment equipment

Country Status (1)

Country Link
CN (1) CN211487140U (en)

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