CN111545032A - Traditional Chinese medicine deodorant for treating odor of livestock and poultry manure, preparation method thereof and purification device for treating odor of livestock and poultry manure - Google Patents
Traditional Chinese medicine deodorant for treating odor of livestock and poultry manure, preparation method thereof and purification device for treating odor of livestock and poultry manure Download PDFInfo
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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Abstract
The invention discloses a preparation method of a traditional Chinese medicine deodorant for livestock and poultry excrement and a traditional Chinese medicine deodorant prepared by the method. The traditional Chinese medicine deodorant is prepared from a Chinese honeylocust fruit extract, a lightyellow sophora root extract, an aloe extract, an orange peel extract and a rosin extract. The invention further discloses a purification device for treating the odor of fermented livestock and poultry manure, which is provided with a box-type odor purification system, and the exhaust port of the fermentation tank is connected with the air inlet of the box-type odor purification system through a Z-shaped vent pipe. The box type odor purification system is sequentially provided with a filter screen dust removal device, a circulating water cooling device, a deodorization device and an active carbon adsorption device along the gas flowing direction. The deodorizing device is a traditional Chinese medicine deodorant spraying device. The invention overcomes the environmental pollution caused by the odor of the livestock and poultry excrement, reduces the purification cost of the excrement odor and reduces the risk of secondary environmental pollution caused by the use of a chemical deodorant.
Description
Technical Field
The invention relates to an odor degradation device, in particular to an odor traditional Chinese medicine deodorant for treating livestock and poultry manure in a fermentation tank and a purification technology integrated device.
Background
The odor generated in the fermentation process of the livestock and poultry manure mainly comprises harmful gases such as ammonia gas, hydrogen sulfide, methane, non-methane compounds, volatile sulfides and the like, and the odor is dozens of types. A large amount of odor is released into the environment, which not only disturbs people, but also seriously affects the living health of human beings, causes certain stimulation to olfactory organs and respiratory tract systems of the human beings in a short period, and brings serious injury to endocrine systems and cardiovascular systems in a long period. In addition, the odor breaks through the atmosphere and may be one of the main factors causing global warming and climate change.
At present, a plurality of methods for solving the problem of odor generated by livestock and poultry manure are provided, firstly, the bioavailability of effective nutrients in the feed is improved by adding microbial agents, enzymes and other microecologics into the feed, and the emission of the odor is reduced from the source; in addition, some odor degradation and removal techniques, such as chemical deodorization (oxidation, absorption, adsorption, etc.), physical deodorization (masking, dilution diffusion), biological deodorization, etc., are used.
However, many existing odor purification technologies have the disadvantages of single method, high treatment cost, incomplete treatment effect and secondary environmental pollution risk. Therefore, the research and the establishment of methods for purifying the odor of the excrements of the livestock and the poultry which are easy to simplify, can meet the current situation of the breeding country and can be implemented on the ground are particularly urgent.
Disclosure of Invention
The invention discloses a preparation method of a traditional Chinese medicine deodorant for livestock and poultry excrement and a traditional Chinese medicine deodorant prepared by the method. The traditional Chinese medicine deodorant is prepared from a Chinese honeylocust fruit extract, a lightyellow sophora root extract, an aloe extract, an orange peel extract and a rosin extract. The invention further discloses a purification device for treating the odor of fermented livestock and poultry manure, which is provided with a box-type odor purification system, and the exhaust port of the fermentation tank is connected with the air inlet of the box-type odor purification system through a Z-shaped vent pipe. The box type odor purification system is sequentially provided with a filter screen dust removal device, a circulating water cooling device, a deodorization device and an active carbon adsorption device along the gas flowing direction. The deodorizing device is a traditional Chinese medicine deodorant spraying device. The invention overcomes the environmental pollution caused by the odor of the livestock and poultry excrement, reduces the purification cost of the excrement odor and reduces the risk of secondary environmental pollution caused by the use of a chemical deodorant.
The technical scheme of the invention is as follows:
the invention provides a preparation method of a traditional Chinese medicine deodorant for livestock and poultry excrement, which comprises the following steps:
(1) mixing fructus Gleditsiae Abnormalis extract, radix Sophorae Flavescentis extract, Aloe extract, pericarpium Citri Tangerinae extract and Colophonium extract to obtain compound Chinese medicinal preparation;
(2) mixing the compound traditional Chinese medicine preparation with water to prepare a mixed solution;
(3) and (3) filtering the mixed solution obtained in the step (2) to remove residues to prepare the traditional Chinese medicine deodorant for the livestock and poultry manure.
In the step (1), the Chinese honeylocust fruit extract, the radix sophorae flavescentis extract, the aloe extract, the orange peel extract and the rosin extract are mixed according to the weight ratio of 1: 1: 1:1, and mixing.
In a preferred embodiment, the saponin extract, the sophora flavescens extract, the aloe extract, the orange peel extract and the rosin extract are added in an amount of 1.5% based on the total weight of the mixed solution in the above step (2).
In a preferred embodiment, the method for mixing the compound traditional Chinese medicine preparation and water in the step (2) is to stir at a low temperature until the compound traditional Chinese medicine preparation is uniformly dispersed in the water, wherein the stirring at the low temperature is performed at a temperature of 30-37 ℃ and a rotating speed of 20-25 rpm for 30 minutes.
The filtering in the step (3) is filtering through a 450-mesh Chinese medicinal liquid filter.
In a preferred embodiment, the method further comprises the step (4) of diluting the livestock and poultry excrement traditional Chinese medicine deodorant obtained in the step (3). And (4) diluting by 100-300 times based on the weight of the traditional Chinese medicine deodorant in the step (3). In the method, the raw liquid of the traditional Chinese medicine deodorant is diluted by 100-300 times and injected into a spraying device, and the diluted raw liquid is 15-20Kg/cm2The working pressure of (3) is spraying deodorization.
The invention further provides a purification device for treating livestock and poultry manure odor, which comprises a fermentation tank and a box-type odor purification system, wherein the fermentation tank is provided with an exhaust port 6 at the top part, the box-type odor purification system is respectively provided with an air inlet 9 and an air outlet 10 at two sides of a box body of the box-type odor purification system, and the exhaust port 6 of the fermentation tank is connected with the air inlet 9 of the box-type odor purification system through a Z-shaped vent pipe 7; the box type odor purification system is sequentially provided with a filter screen dust removal device 1, a circulating water cooling device 2, a deodorization device 4 and an active carbon adsorption device 5 along the gas flowing direction; the deodorization device 4 is a traditional Chinese medicine deodorant spraying device; the air outlet 10 of the box-type odor purification system is further connected with a vent pipe 8 for discharging tail odor.
The fermentation tank of the invention is a livestock manure fermentation tank which is conventional in the prior art. The fermentation tank is provided with a feed inlet, a discharge outlet, an air inlet, an exhaust port and a stirring device.
In another alternative embodiment, the deodorizing device 4 is a wet curtain type deodorizing device, and the wet curtain is a wet curtain soaked with a traditional Chinese medicine deodorant.
In an embodiment of the present invention, the above-mentioned Chinese medicinal deodorant is prepared by mixing saponin extract, sophora flavescens extract, aloe extract, orange peel extract and rosin extract with water, and filtering to remove residue.
In an embodiment of the present invention, the box-type odor purification system is preferably a flat-ground box-type odor purification system.
In an embodiment of the present invention, preferably, the "Z" shaped ventilation pipe further includes an air pump provided on the ventilation pipe. The inside diameter of the Z-shaped vent pipe is 10 cm.
In a preferred embodiment, the odor purifying apparatus for livestock and poultry manure, wherein the ventilating pipe of the "Z" shape guides the odor generated by fermentation downward. The tail end of the vent pipe is connected with a buried box-type odor purification system, 4 process devices including filter screen dust removal, circulating water cooling, traditional Chinese medicine deodorant spraying and activated carbon adsorption are included, and finally, the vent pipe with the height of 5m and the inner diameter of 10cm is connected with the air outlet of the box-type odor purification system to discharge the residual tail odor.
On the basis of the technology of treating livestock and poultry manure by using a fermentation tank, odor generated by manure fermentation is guided and exhausted, and is subjected to comprehensive treatment of 4 processes of dust removal, temperature reduction, traditional Chinese medicine deodorization and adsorption, so that the odor is purified and exhausted, and the method is economical and convenient, and can be widely applied to farms or organic fertilizer processing factories for treating livestock and poultry manure by using the fermentation tank.
In the embodiment of the present invention, 5 kinds of extracts of Chinese herbs such as Chinese honeylocust fruit, lightyellow sophora root, aloe, orange peel and rosin in the step (1) are commercially available or can be prepared by themselves.
For the self-made traditional Chinese medicine extract, the traditional Chinese medicine extract is prepared by adopting the conventional preparation method of the traditional Chinese medicine extract in the field by the technical personnel in the field. In a preferred embodiment, the traditional Chinese medicine extract is prepared by crushing, extracting, filtering, drying and the like the traditional Chinese medicines.
The low-temperature stirring and dissolving conditions of the traditional Chinese medicine are as follows: the temperature is 30-37 ℃, the rotating speed is 20-25 r/min, and the stirring is carried out for 30 minutes.
In embodiments of the invention, the "Z" shaped snorkel may also be replaced by other corrosion resistant tubing; the size of the box type odor purification system can be adjusted and designed according to the specific gas production amount of the fermentation tank; the dust removal filter screen in the box type odor purification system can be selected, has good ventilation and filtering effects, and can flexibly replace materials; the traditional Chinese medicine deodorant spray device adopts a multi-nozzle and corrosion-resistant automatic spray device.
In the above steps, the deodorizing device is preferably designed to spray a traditional Chinese medicine deodorant, and can also be designed to be in a traditional Chinese medicine wet curtain mode, so that odor can reach the deodorizing and purifying effect through the wet curtain.
The invention has the beneficial effects that: the invention not only overcomes the environmental pollution caused by the odor generated by treating the livestock and poultry manure by the fermentation tank, but also reduces the manure odor purification cost and reduces the secondary atmospheric environmental pollution risk caused by the use of a chemical deodorant through intelligent odor collection and treatment and the research and the application of a traditional Chinese medicine deodorant. All the materials of the invention have simple components, easy acquisition, simple and convenient manufacturing process and low cost investment, and are beneficial to the popularization and application of livestock manure treatment farms or organic fertilizer plants by utilizing fermentation tanks.
Drawings
FIG. 1 is a schematic view of a process for purifying odor of traditional Chinese medicine for treating livestock and poultry feces in a fermentation tank.
In the figure: 1. a filter screen dust removal device; 2. a circulating water cooling device; 3. a shower head; 4. a deodorizing device; 5. An activated carbon adsorption unit; 6. an exhaust port of the fermentation tank; 7. a Z-shaped vent pipe; 8. a breather pipe; 9. An air inlet of the box type odor purification system; 10. box odor purification system gas outlet.
Detailed Description
The present invention will be explained in detail with reference to examples.
Example 1
The invention provides a purification device for treating livestock and poultry manure odor, which comprises a fermentation tank and a box-type odor purification system, wherein the fermentation tank is provided with an exhaust port 6 at the top part, the box-type odor purification system is respectively provided with an air inlet 9 and an air outlet 10 at two sides of a box body of the box-type odor purification system, and the exhaust port 6 of the fermentation tank is connected with the air inlet 9 of the box-type odor purification system through a Z-shaped vent pipe 7; the box type odor purification system is sequentially provided with a filter screen dust removal device 1, a circulating water cooling device 2, a deodorization device 4 and an active carbon adsorption device 5 along the gas flowing direction; the deodorizing device 4 is a traditional Chinese medicine deodorant spraying device; the air outlet 10 of the box-type odor purification system is further connected with a vent pipe 8 for discharging tail odor. The Z-shaped vent pipe has an inner diameter of 10cm and can lead out odor generated by fermentation. The tail end of the vent pipe is connected with a box-type odor purification system which is laid on the ground, and finally, the air outlet of the box-type odor purification system is connected with a vent pipe with the height of 5m and the inner diameter of 10cm, so that residual tail odor is discharged.
Further, the preparation method of the traditional Chinese medicine deodorant in the embodiment is as follows:
(1) the preparation of a traditional Chinese medicine deodorant stock solution. Adding water into 5 kinds of Chinese medicinal extracts such as fructus Gleditsiae Abnormalis, radix Sophorae Flavescentis, Aloe, pericarpium Citri Tangerinae and Colophonium to prepare compound Chinese medicinal preparation mixed solution. In the mixed solution, based on the weight of the mixed solution, each traditional Chinese medicine extract is added according to the weight ratio of 1.5 percent, the mixture is stirred at low temperature until the traditional Chinese medicine extract is completely dissolved, a traditional Chinese medicine liquid filter with 450 meshes is used for filtering and removing residues, and the rest clear, yellowish and transparent solution is the original solution of the traditional Chinese medicine deodorant.
The low-temperature stirring and dissolving conditions of the traditional Chinese medicines are as follows: the temperature is 30 ℃, the rotating speed is 20 r/min, and the stirring is carried out for 30 minutes.
Diluting the stock solution of the traditional Chinese medicine deodorant prepared in the step (1) by 100 times, injecting the diluted stock solution into a spraying device, and injecting the diluted stock solution of the traditional Chinese medicine deodorant into the spraying device according to the ratio of 15Kg/cm2The working pressure of (3) is spraying deodorization.
Example 2
The same preparation method as in example 1 was followed to obtain a stock solution of a Chinese medicinal deodorant. In accordance with and implementIn the device for purifying the odor of the livestock and poultry excrements designed in the same way in the example 1, the stock solution of the traditional Chinese medicine deodorant is diluted by 100 times and injected into a spraying device, and the volume of the stock solution is 20Kg/cm2The working pressure of (3) is spraying deodorization.
Example 3
The same preparation method as in example 1 was followed to obtain a stock solution of a Chinese medicinal deodorant. According to the purification device for the odor of the livestock and poultry manure designed in the same way as in the embodiment 1, the stock solution of the traditional Chinese medicine deodorant is diluted by 200 times and injected into a spraying device, and 15Kg/cm2The working pressure of (3) is spraying deodorization.
Example 4
The same preparation method as in example 1 was followed to obtain a stock solution of a Chinese medicinal deodorant. According to the purification device for the odor of the livestock and poultry manure designed in the same way as in the embodiment 1, the stock solution of the traditional Chinese medicine deodorant is diluted by 200 times and injected into a spraying device, and the volume of the stock solution is 20Kg/cm2The working pressure of (3) is spraying deodorization.
Example 5
The invention provides an odor traditional Chinese medicine purification method for treating livestock and poultry manure by a fermentation tank, which comprises the following steps:
the same preparation method as in example 1 was followed to obtain a stock solution of a Chinese medicinal deodorant. According to the purification device for the odor of the livestock and poultry manure designed in the same way as in the embodiment 1, the stock solution of the traditional Chinese medicine deodorant is diluted by 300 times and injected into a spraying device, and 15Kg/cm2The working pressure of (3) is spraying deodorization.
Example 6
The same preparation method as in example 1 was followed to obtain a stock solution of a Chinese medicinal deodorant. According to the purification device for the odor of the livestock and poultry manure designed in the same way as in the embodiment 1, the stock solution of the traditional Chinese medicine deodorant is diluted by 300 times and injected into a spraying device, and the volume of the stock solution is 20Kg/cm2The working pressure of (3) is spraying deodorization.
To prove the effectiveness of the invention, the applicant respectively performs the following tests on the above 6 examples of the developed traditional Chinese medicine deodorant:
experiment one: stability test of Chinese medicinal deodorant
3 batches of the traditional Chinese medicine deodorant test products are extracted in the test, and are placed for 30 months at the temperature of 40 +/-2 ℃ and the relative humidity of 75 +/-5 percent, and an accelerated stability test is carried out. The major effective components indirubin, toosendanin and indigo in the deodorant product were sampled every 3 months by HPLC method, and the results are shown in table 1. The reduction rate of the effective component content of 3 batches of trial-manufactured products in the 30 th month is 7.8%, 8.4% and 9.6%, and if the storage time with the content being more than 90% of the marked amount is the effective period, the effective quality guarantee period of the product is at least more than 30 months.
TABLE 1 batch accelerated stability shelf life test for herbal deodorants
Experiment two: influence of traditional Chinese medicine deodorant on removal effect of harmful gas sulfur dioxide
The test is designed in a closed, 2m3The volume and the humidity in a square cabin with a fan are controlled at 20 ℃ and 48 percent, and 2.0ml of analytically pure sulfur dioxide is put on a watch glass to volatilize for 12 hours. Diluting the prepared traditional Chinese medicine deodorant stock solution by 100 times, and uniformly coating on the surface area of 1.5m2On a glass plate. Air samples of 12 hours after volatilization of sulfur dioxide and 12 hours after coating of the deodorant were collected, and sulfur dioxide content was measured, and the results are shown in table 2. The result shows that the average removal rate of the traditional Chinese medicine deodorant to sulfur dioxide is 93.3%.
TABLE 2 effect of Chinese herbal deodorant on sulfur dioxide removal
Experiment three: influence of different spraying concentrations of traditional Chinese medicine deodorant on purification effect of hydrogen sulfide and ammonia gas
Experimental design the original liquid of the traditional Chinese medicine deodorant is diluted according to three concentration gradients of 1:100, 1:200 and 1:300, and the concentration gradients are all 15Kg/cm2The working pressure of the system is adopted for spraying and deodorizing, tap water is used as a reference, 5 points are respectively taken at the gas outlet of the fermentation tank and the gas outlet of the exhaust pipe for finally discharging gas after the deodorizing system runs for 6 hours, the purifying and removing effects of the traditional Chinese medicine deodorant on two harmful gases of ammonia gas and hydrogen sulfide are compared, and the results are shown in table 3. The results show that the 1:100 dilution of the herbal deodorant works best, but is not much different from the 1:200 dilution. In combination with the actual running cost, the traditional Chinese medicine deodorant is preferably diluted and applied according to the ratio of 1: 200.
TABLE 3 removal of ammonia and hydrogen sulfide by traditional Chinese medicine deodorizers of different concentrations
Experiment four: influence of different spraying rates of traditional Chinese medicine deodorant on purification effect of hydrogen sulfide and ammonia gas
The test is carried out by diluting the original solution of the traditional Chinese medicine deodorant according to the concentration gradient of 1:200 and designing 15Kg/cm2And 20Kg/cm2The deodorization is sprayed under two working pressures, 5 points are respectively taken at the gas outlet of the fermentation tank and the gas outlet of the exhaust pipe which finally discharges gas after the deodorization system runs for 6 hours, the purification and removal effects of the traditional Chinese medicine deodorant on two harmful gases of ammonia gas and hydrogen sulfide are compared with the purification and removal effects of the traditional Chinese medicine deodorant at different spraying rates, and the results are shown in table 4. The results show that the difference of the deodorization effect is not obvious under 2 working pressures, and the traditional Chinese medicine deodorant is preferably 15Kg/cm in consideration of the actual running cost2The working pressure is applied.
TABLE 4
The above description is not intended to limit the present invention, but rather, the present invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention.
Claims (10)
1. A preparation method of a traditional Chinese medicine deodorant for livestock and poultry manure comprises the following steps:
(1) mixing fructus Gleditsiae Abnormalis extract, radix Sophorae Flavescentis extract, Aloe extract, pericarpium Citri Tangerinae extract and Colophonium extract to obtain compound Chinese medicinal preparation;
(2) mixing the compound traditional Chinese medicine preparation with water to prepare a mixed solution;
(3) filtering the mixed solution obtained in the step (2) to remove residues to prepare the livestock and poultry excrement traditional Chinese medicine deodorant;
in the step (1), the Chinese honeylocust fruit extract, the radix sophorae flavescentis extract, the aloe extract, the orange peel extract and the rosin extract are mixed according to the weight ratio of 1: 1: 1:1, and mixing.
2. The method for preparing a Chinese medicinal deodorant for livestock and poultry excrements as claimed in claim 1, wherein the saponin extract, the sophora flavescens extract, the aloe extract, the orange peel extract and the rosin extract are added in an amount of 1.5% based on the total weight of the mixed solution in the step (2).
3. The preparation method of the livestock and poultry manure traditional Chinese medicine deodorant as claimed in claim 1, wherein the method for mixing the compound traditional Chinese medicine preparation with water in the step (2) is stirring at a low temperature of 30-37 ℃ and at a rotation speed of 20-25 rpm for 30 minutes until the compound traditional Chinese medicine preparation is uniformly dispersed in water.
4. The preparation method of a Chinese medicinal deodorant for livestock and poultry feces according to claim 1, wherein the filtration in the step (3) is filtration through a 450-mesh Chinese medicinal liquid filter.
5. The method for preparing a traditional Chinese medicine deodorant for livestock and poultry excrements as claimed in claim 1, further comprising the step (4) of diluting the traditional Chinese medicine deodorant for livestock and poultry excrements obtained in the step (3), wherein the dilution is 100-300 times based on the weight of the traditional Chinese medicine deodorant in the step (3).
6. A livestock and poultry excrement traditional Chinese medicine deodorant which is characterized by being prepared by the preparation method of the livestock and poultry excrement traditional Chinese medicine deodorant according to any one of claims 1-5.
7. Use of the livestock and poultry manure traditional Chinese medicine deodorant as defined in claim 6 for purifying odor of livestock and poultry manure.
8. A purification device for treating odor of livestock and poultry manure by using the traditional Chinese medicine deodorant for livestock and poultry manure as defined in claim 6, characterized in that: the fermentation tank is provided with an exhaust port (6) at the top, the box-type odor purification system is respectively provided with an air inlet (9) and an air outlet (10) at two sides of a box body, and the exhaust port (6) of the fermentation tank is connected with the air inlet (9) of the box-type odor purification system through a Z-shaped vent pipe (7); the box type odor purification system is sequentially provided with a filter screen dust removal device (1), a circulating water cooling device (2), a deodorization device (4) and an active carbon adsorption device (5) along the gas flowing direction; the deodorization device (4) is a traditional Chinese medicine deodorant spraying device; the air outlet (10) of the box type odor purification system is further connected with a vent pipe (8) for discharging tail odor.
9. The purification device for treating odor of excrements of livestock and poultry as claimed in claim 8, wherein said deodorizing means (4) is a wet curtain type deodorizing means, and said wet curtain is a wet curtain soaked with a Chinese medicinal deodorizer.
10. The purification device for treating odor of excrements of livestock and poultry as claimed in claim 8, wherein the spraying pressure of said spraying device is 15-20Kg/cm2。
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| CN116274236A (en) * | 2022-12-01 | 2023-06-23 | 辽宁润兴新材料有限公司 | Dust collector is used in resin processing |
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| CN102406954A (en) * | 2011-11-18 | 2012-04-11 | 江苏大学 | Plant extract deodorant and preparation method thereof |
| CN102698305A (en) * | 2012-05-25 | 2012-10-03 | 上海复振科技有限公司 | Botanical compound odor-removal antibacterial solution and preparation method and application thereof |
| CN204996253U (en) * | 2015-08-26 | 2016-01-27 | 广州恩华特环境技术有限公司 | Deodorizing device and waste gas dust removal deodorization processing system spray |
| CN212039810U (en) * | 2020-03-30 | 2020-12-01 | 江苏省家禽科学研究所 | Purification device for treating odor of livestock and poultry manure |
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| CN116274236A (en) * | 2022-12-01 | 2023-06-23 | 辽宁润兴新材料有限公司 | Dust collector is used in resin processing |
| CN116274236B (en) * | 2022-12-01 | 2024-01-19 | 辽宁润兴新材料有限公司 | Dust collector is used in resin processing |
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