CN106693687B - Deodorization system for organic fertilizer production - Google Patents

Deodorization system for organic fertilizer production Download PDF

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Publication number
CN106693687B
CN106693687B CN201611263289.1A CN201611263289A CN106693687B CN 106693687 B CN106693687 B CN 106693687B CN 201611263289 A CN201611263289 A CN 201611263289A CN 106693687 B CN106693687 B CN 106693687B
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spray
pipe
chamber
adsorption chamber
fixedly connected
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CN106693687A (en
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邓力
张若愚
黄敏
雍洪俊
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Nanchong Hexiang Biotechnology Co ltd
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Nanchong Hexiang Biotechnology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/14—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 absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/14—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 absorption
    • B01D53/1456—Removing acid components
    • B01D53/1468—Removing hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/58—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/95—Specific microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20—Organic adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0266—Other waste gases from animal farms
    • 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
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses a deodorizing system for organic fertilizer production, which comprises a fermentation workshop and a deodorizing tower, wherein the deodorizing tower comprises an adsorption chamber, a spray chamber and an exhaust chimney from bottom to top, a plurality of layers of support frames are fixedly connected in the adsorption chamber, adsorbents are paved on the support frames, a plurality of ventilating pipes which are connected with the adsorption chamber and the spray chamber are arranged at the bottom in the spray chamber, and spiral spray pipes are arranged in the spray chamber; and a sprinkler pipe is fixedly connected to the top of the fermentation workshop. The adsorbent in the adsorption chamber adsorbs and removes substances such as the excrement smelly substance in the gas, and the gas passes through the breather pipe again and gets into in the spray chamber, and the EM fungus in the water smoke can further deodorize the stink in the gas to ammonia in the gas, hydrogen sulfide gas are easily soluble in water, and the gas in the spray chamber passes through exhaust stack again and discharges thereby reaches the deodorization effect.

Description

Deodorization system for organic fertilizer production
Technical Field
The invention belongs to the technical field of organic fertilizer production, and particularly relates to a deodorizing system for organic fertilizer production.
Background
Enterprises for industrially raising livestock and poultry generate a large amount of excrement every day due to large cultivation density and large number of columns. How to dispose of livestock and poultry excreta is one of the common problems of the enterprises, and under the prior art condition, the method for converting livestock and poultry excreta into the commercial organic fertilizer is the best solution. Most importantly, the method not only accords with the national related environmental protection policy, but also can realize the reduction, reclamation, harmlessness and ecological utilization of the livestock and poultry excrement through reasonable treatment. However, when a commercial organic fertilizer is produced from livestock and poultry excreta, pollutants such as malodor and dust are inevitably produced by composting fermentation. The largest amount of these contaminants and the most difficult to treat is malodor. The bad smell flowing along with the wind seriously worsens the surrounding living environment, and the people feel tired, nausea and even vomiting in a short period. The people can live in an odor environment for a long time, and a series of problems such as anorexia, insomnia and the like of people can be caused. Therefore, it is necessary to perform the deodorizing process during the production of the organic fertilizer.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a deodorizing system for producing organic fertilizer, which can remove odor generated in the process of producing organic fertilizer by utilizing livestock and poultry excreta.
In order to achieve the above object, the present invention adopts the following solutions: the deodorizing system for organic fertilizer production comprises a fermentation workshop and a deodorizing tower, wherein the deodorizing tower comprises an adsorption chamber, a spray chamber and an exhaust chimney from bottom to top, an air duct is arranged at the bottom of the adsorption chamber, a plurality of layers of support frames are fixedly connected in the adsorption chamber, adsorbents are paved on the support frames, inclined plates for separating the adsorption chamber from the spray chamber are arranged in the adsorption chamber, a water conduit is arranged at the lowest part of the inclined plates, the water conduit is arranged in the adsorption chamber, a water outlet pipe is arranged at the outer side of the bottom of the adsorption chamber and communicated with the water conduit, and a filter tank is connected at a water outlet of the water outlet pipe; the bottom of the spray chamber is fixedly connected with a plurality of vent pipes, the vent pipes are arranged between the adsorption chamber and the spray chamber, spiral spray pipes are arranged in the spray chamber, spray holes are formed in the pipe body of the spray pipes, and water mist sprayed out of the spray holes forms a dense atomization network in the spray chamber; workshop top fixedly connected with watering pipe in fermentation workshop is equipped with the watering hole on the pipe shaft of watering pipe, and the watering hole is vertical downwards, is equipped with the connecting pipe between watering pipe and the filtering ponds.
Further, the filter tank comprises a first-stage filter tank, a second-stage filter tank and a third-stage filter tank which are sequentially connected, the water outlet pipe is communicated with the first-stage filter tank, and the connecting pipe is communicated with the third-stage filter tank.
Further, the water yield of the water conduit is less than the water yield of the spray pipe.
Further, the air duct comprises a plurality of branch air ducts, one end of each branch air duct is connected with the fermentation workshop, and the other end of each branch air duct is connected with the bottom of the adsorption chamber; a fan is arranged between the branch air duct and the fermentation workshop.
Further, the breather pipe comprises a connecting part and a bending part which are connected, the connecting part is vertically distributed and fixedly connected with the inner wall of the spray chamber, the bottom of the connecting part stretches into the adsorption chamber, and the bending part is horizontally distributed.
Further, the number of the exhaust stacks is three, and a supporting fixing frame is fixedly connected between every two adjacent exhaust stacks.
Further, the first cat ladder of outdoor fixedly connected with of absorption, spray room outer wall fixedly connected with second cat ladder, vertical fixedly connected with railing in spray room top edge.
Further, the adsorbent comprises fungus residues, straw powder and carbon residues, and the spraying liquid in the spraying pipe is diluted EM fungus liquid.
The invention has the advantages that the fan pumps the gas in the fermentation workshop into the adsorption chamber through the branch air duct, the adsorbent in the adsorption chamber adsorbs and removes substances such as the manure, the gas enters the spray chamber through the breather pipe, the water mist of the spray pipe forms an atomization net, the EM bacteria in the water mist can further deodorize the odor in the gas, the ammonia gas and the hydrogen sulfide gas in the gas are easy to dissolve in water, and the gas in the spray chamber is discharged through the exhaust chimney; the water in the spray chamber is collected on the inclined plate, then enters the filter tank through the water diversion pipe and the water outlet pipe for purification, and then causes the top of the fermentation workshop to spray onto the fermented organic fertilizer, thereby achieving the effect of water recycling.
Drawings
FIG. 1 is a schematic diagram of a deodorizing system for organic fertilizer production.
Fig. 2 is a schematic structural view of the deodorizing tower.
In the accompanying drawings:
10. a fermentation workshop; 11. a sprinkler pipe; 12. a connecting pipe; 20. a deodorizing tower; 21. an adsorption chamber; 22. a spray chamber; 23. an exhaust stack; 24. an air duct; 241. a branch air duct; 242. a blower; 25. a support frame; 26. an adsorbent; 27. an inclined plate; 28. a water conduit; 29. a water outlet pipe; 210. a vent pipe; 21a, a connection part; 21b, a bending part; 211. a shower pipe; 212. a supporting and fixing frame; 30. a filtering tank; 31. a first filtration tank; 32. a second filtration tank; 33. a third filter tank; 41. a first ladder; 42. a second ladder; 43. railing.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1 and 2, the invention provides a deodorizing system for organic fertilizer production, comprising a fermentation workshop 10 and a deodorizing tower 20, wherein the deodorizing tower 20 comprises an adsorption chamber 21, a spray chamber 22 and an exhaust chimney 23 from bottom to top, an air duct 24 is arranged at the bottom of the adsorption chamber 21, a plurality of layers of support frames 25 are fixedly connected in the adsorption chamber 21, an adsorbent 26 is paved on the support frames 25, an inclined plate 27 for separating the adsorption chamber 21 from the spray chamber 22 is arranged in the adsorption chamber 21, a water conduit 28 is arranged at the lowest part of the inclined plate 27, the water conduit 28 is arranged in the adsorption chamber 21, a water outlet pipe 29 is arranged at the outer side of the bottom of the adsorption chamber 21, the water outlet pipe 29 is communicated with the water conduit 28, and a filter tank 30 is connected at a water outlet of the water outlet pipe 29; a plurality of breather pipes 210 are fixedly connected to the bottom in the spray chamber 22, the breather pipes 210 are arranged between the adsorption chamber 21 and the spray chamber 22, a spiral spray pipe 211 is arranged in the spray chamber 22, spray holes are formed in the pipe body of the spray pipe 211, and water mist sprayed from the spray holes forms a dense atomization network in the spray chamber 22; the workshop top fixedly connected with watering pipe 11 of fermentation workshop 10 is equipped with the watering hole on the pipe shaft of watering pipe 11, and the watering hole is vertical downwards, is equipped with connecting pipe 12 between watering pipe 11 and the filtering ponds 30.
The fan 242 pumps the gas in the fermentation workshop 10 into the adsorption chamber 21 through the branch air duct 241, the adsorbent 26 in the adsorption chamber 21 adsorbs and removes substances such as the manure odor in the gas, the gas enters the spray chamber 22 through the breather pipe 210, the water mist of the spray pipe 211 forms an atomization net, the ammonia gas and the hydrogen sulfide gas in the gas are easily dissolved in water, thereby deodorizing, and the gas in the spray chamber 22 is discharged through the exhaust chimney 23. The water in the spray chamber 22 is collected on the inclined plate 27, enters the filter tank 30 through the water guide pipe 28 and the water outlet pipe 29 to be purified, and then causes the top of the fermentation workshop 10 to spray onto the fermented organic fertilizer, thereby achieving the effect of water recycling.
In this embodiment, the filtering ponds 30 include a first stage filtering ponds 31, a second stage filtering ponds 32 and a third stage filtering ponds 33 which are sequentially connected, the water outlet pipe 29 is communicated with the first stage filtering ponds 31, the connecting pipe 12 is communicated with the third stage filtering ponds 33, and the filtering effect is enhanced by the third stage filtering ponds 30.
In this embodiment, the water output of the water conduit 28 is smaller than the water output of the shower pipe 211, so that water can accumulate at the bottom of the inclined plate 27, and a water seal effect is formed at the water inlet of the water conduit 28, so that odor is prevented from leaking out of the water conduit 28.
In this embodiment, the air duct 24 includes 5 branched air ducts 241, one end of each branched air duct 241 is connected to the fermentation workshop 10, and the other end is connected to the bottom of the adsorption chamber 21; a fan 242 is arranged between the branch air duct 241 and the fermentation workshop 10; fan 242 and branch duct 241 can enhance the extraction efficiency.
In this embodiment, the ventilation pipe 210 includes a connecting portion 21a and a bending portion 21b, the connecting portion 21a is vertically distributed and fixedly connected with the inner wall of the spray chamber 22, the bottom of the connecting portion 21a extends into the adsorption chamber 21, the bending portion 21b is horizontally distributed, and the bending portion 21b of the ventilation pipe 210 can prevent water mist from entering the adsorption chamber 21 through the air outlet of the ventilation pipe 210.
In this embodiment, there are three exhaust stacks 23, and a support fixing frame 212 is fixedly connected between adjacent exhaust stacks 23.
In the embodiment, the outer wall of the adsorption chamber 21 is fixedly connected with a first ladder 41, the outer wall of the spray chamber 22 is fixedly connected with a second ladder 42, and the top edge of the spray chamber 22 is vertically and fixedly connected with a railing 43; the first and second ladders 41 and 42 can be convenient for the worker to go up to the deodorizing tower 20 to clean or carry out maintenance work, and the railing 43 can play a protective role for the worker.
In this embodiment, the adsorbent 26 includes fungus residue, straw powder, carbon residue, fungus residue, etc. with strong adsorption capacity; the spray liquid in the spray pipe 211 is diluted EM bacterial liquid. EM bacteria in the water mist can further deodorize the odor in the gas.

Claims (6)

1. A deodorizing system for organic fertilizer production is characterized in that: the device comprises a fermentation workshop (10) and a deodorizing tower (20), wherein the deodorizing tower (20) comprises an adsorption chamber (21), a spray chamber (22) and an exhaust chimney (23) from bottom to top, an air duct (24) is arranged at the bottom of the adsorption chamber (21), a plurality of layers of support frames (25) are fixedly connected in the adsorption chamber (21), adsorbents (26) are paved on the support frames (25), inclined plates (27) for separating the adsorption chamber (21) from the spray chamber (22) are arranged in the adsorption chamber (21), a water diversion pipe (28) is arranged at the lowest position of the inclined plates (27), the water diversion pipe (28) is arranged in the adsorption chamber (21), a water outlet pipe (29) is arranged at the outer side of the bottom of the adsorption chamber (21), the water outlet pipe (29) is communicated with the water diversion pipe (28), and a water outlet of the water outlet pipe (29) is connected with a filter tank (30); a plurality of vent pipes (210) are fixedly connected to the bottom in the spray chamber (22), the vent pipes (210) are arranged between the adsorption chamber (21) and the spray chamber (22), spiral spray pipes (211) are arranged in the spray chamber (22), spray holes are formed in the pipe bodies of the spray pipes (211), and water mist sprayed from the spray holes forms a dense atomization network in the spray chamber (22); workshop top fixedly connected with watering pipe (11) in fermentation workshop (10), be equipped with the watering hole on the pipe shaft of watering pipe (11), the watering hole is vertical downwards, is equipped with connecting pipe (12) between watering pipe (11) and filtering ponds (30), water yield of water conduit (28) be less than the water yield of shower (211), breather pipe (210) including connecting portion (21 a) and kink (21 b), connecting portion (21 a) vertical distribution and with spray chamber (22) inner wall fixed connection, the bottom of connecting portion (21 a) stretches into adsorption chamber (21), kink (21 b) horizontal distribution.
2. The organic fertilizer production deodorizing system according to claim 1, characterized in that: the filter tank (30) comprises a first-stage filter tank (30), a second-stage filter tank (30) and a third-stage filter tank (30) which are sequentially connected, a water outlet pipe (29) is communicated with the first-stage filter tank (30), and a connecting pipe (12) is communicated with the third-stage filter tank (30).
3. The organic fertilizer production deodorizing system according to claim 1, characterized in that: the air duct (24) comprises a plurality of branch air ducts (241), one end of each branch air duct (241) is connected with the fermentation workshop (10), and the other end of each branch air duct is connected with the bottom of the adsorption chamber (21); a fan (242) is arranged between the branch air duct (241) and the fermentation workshop (10).
4. The organic fertilizer production deodorizing system according to claim 1, characterized in that: three exhaust stacks (23) are arranged, and a supporting fixing frame (212) is fixedly connected between every two adjacent exhaust stacks (23).
5. The organic fertilizer production deodorizing system according to claim 1, characterized in that: the adsorption chamber (21) outer wall fixedly connected with first cat ladder (41), spray chamber (22) outer wall fixedly connected with second cat ladder (42), spray chamber (22) top edge vertical fixedly connected with railing (43).
6. The organic fertilizer production deodorizing system according to claim 1, characterized in that: the adsorbent (26) comprises fungus residues, straw powder and carbon residues, and the spray liquid in the spray pipe (211) is diluted EM fungus liquid.
CN201611263289.1A 2016-12-30 2016-12-30 Deodorization system for organic fertilizer production Active CN106693687B (en)

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CN107200609A (en) * 2017-06-26 2017-09-26 苏州睿达矩自动化设备有限公司 A kind of consumer garbage compost Zymolysis Equipment
CN108395295A (en) * 2018-05-22 2018-08-14 西格曼生物工程（长春）有限公司 Livestock and poultry corpse treatment and purification system and its production organic fertilizer method

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DE9419714U1 (en) * 1994-12-08 1996-04-04 Fariwar, Mohammad, Dr.rer.nat., 65195 Wiesbaden Multi-stage ceramic exhaust gas washing system in combination with an ozone generator
NL9500215A (en) * 1995-02-06 1996-09-02 Biostar Bv Method of cleaning nitrogen oxide-containing flue gas
CN1173830A (en) * 1995-02-06 1998-02-18 比奥斯大发展有限股份公司 Process for purifying flue gas containing nitrogen oxides
US6190620B1 (en) * 1997-11-05 2001-02-20 Mitsubishi Heavy Industries, Ltd. Wet flue gas desulfurizer
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WO2010076853A1 (en) * 2008-12-30 2010-07-08 Uehara Kyomasa Method for dust removal and cleaning of polluted gas by water washing
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CN203155089U (en) * 2013-04-03 2013-08-28 陕西沃升机械制造有限公司 System for centralized purification of waste gas discharged after sludge harmless treatment
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CN105413450A (en) * 2015-12-21 2016-03-23 江苏中金环保科技有限公司 Foul gas purifying tower
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