CN203558984U - System applicable to recycling of volatile ammonia of livestock manure compost - Google Patents
System applicable to recycling of volatile ammonia of livestock manure compost Download PDFInfo
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- CN203558984U CN203558984U CN201320397036.9U CN201320397036U CN203558984U CN 203558984 U CN203558984 U CN 203558984U CN 201320397036 U CN201320397036 U CN 201320397036U CN 203558984 U CN203558984 U CN 203558984U
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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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Abstract
The utility model relates to a system applicable to recycling of volatile ammonia of livestock manure compost. The system consists of a compost fermentation bin, a gas conveying pipeline, a centrifugal fan and an ammonia absorption bin, wherein the ammonia absorption bin comprises a gas distribution pipeline, padding and an absorption material. In a livestock manure compost process, the centrifugal fan is used for extracting all ammonia in the compost fermentation bin and conveying the ammonia into the ammonia absorption bin; after being uniformly distributed by the gas distribution pipeline, the ammonia upwards enters the padding layer and the absorption material layer in sequence; in a process of being in contact with the absorption material, the ammonia is absorbed and converted by the absorption material and microorganisms thereof, so that the recycling of the ammonia is realized. According to the system disclosed by the utility model, the centrifugal fan is used for reasonably conveying the ammonia to the bottom of the absorption material, and the gas distribution pipeline is used for uniformly distributing the gas and realizing the ammonia recycling, so that the recycling efficiency is greatly improved; meanwhile, the system is simple in structure, can fully use agricultural resources and has the advantages of low cost, high efficiency, no secondary pollution and the like.
Description
Technical field
The utility model belongs to agricultural wastes Treatment and recovery and utilizes field, relates to a kind of system that is applicable to Ammonia recovery that livestock excrement composting volatilizees.
Background technology
Developing rapidly of scale animal and poultry cultivation industry, sharply increases Amount of poultry excrements, and the environmental problem causing therefrom becomes increasingly conspicuous.Compost is to realize one of method that feces of livestock and poultry is innoxious and resource utilization is the most conventional, but compost exists the problem of nitrogen heavy losses.The main path of compost nitrogen loss is ammonia volatilization, ammonia volatilize not only contaminate environment, be detrimental to health, and reduced the nutrient content of composting production.Research shows, the ammonia nitrogen of ammonia volatilization loss accounts for the more than 19% of initial compost total nitrogen.Therefore, compost volatile ammonia is reclaimed and becomes the key issue that composting technology is further applied.Existing compost additive (CN101565333) method of using often can only partly reduce the volatilization of ammonia, and chemical recycling (as CN101481270, CN101486603 and CN201678599U etc.) etc. exist mostly that cost is high, complicated operation and may cause secondary pollution problems.
For the deficiency of existing livestock excrement composting process volatilization Ammonia recovery technology, the utility model is intended the system that is applicable to livestock excrement composting volatilization Ammonia recovery that exploitation is comprised of fermentation warehouse, gas transmission pipeline, centrifugal blower and ammonia absorbing cabin.This system can efficient recovery livestock excrement composting process the ammonia of volatilization, and by nitrogen transformation utilization in ammonia, thereby produce the fertilizer that nutrient content is higher.Evidence, the recovery that the new technology of system design is applied to livestock excrement composting volatilization ammonia accordingly has good effect.
Utility model content
The purpose of this utility model is to overcome the deficiency of existing compost volatile ammonia recovery technology, a kind of system simple, economic and that compost volatile ammonia reclaims is efficiently provided, system is linked in sequence and is formed by fermentation warehouse, gas transmission pipeline, centrifugal blower and ammonia absorbing cabin, fermentation cabin is provided with top cover, the inlet mouth that gas discharge outlet and centrifugal blower are left in top is tightly connected, the air outlet of centrifugal blower is connected with the main ventilation seal of tube that is arranged on ammonia absorbing cabin bottom, ammonia absorbing cabin profile is square, and top is opened wide.
Described fermentation warehouse leaves gas discharge outlet, and relief outlet is located at top, and with gas transmission pipeline close proximity, to guarantee in fermentation cabin that gas can all be centrifuged blower fan and extract out.
Described ammonia gas transport pipe adopts PVC or PPR material, has certain anti-ammonia corrosive nature, adopts winter lagging material to be incubated gas transmission pipeline.
Described centrifugal blower air quantity per hour is the more than 10 times of gas volume in fermentation warehouse.
Described ammonia absorbing cabin comprises gas distributing system, bedding and padding and absorbing material.
Gas distributing system is comprised of 1 main ventilation road and many small transfer lines, and main ventilation road and gas transmission pipeline join, and small transfer line is evenly arranged in ammonia absorbing cabin bottom, in order to gas uniform is distributed; Thick 5～the 10cm of bedding and padding left and right, adopts the maize straw of rice husk or pulverizing, makes the gas can be smoothly by guarantee that the fine particle of absorbing material can not stop up gas distribution pipeline simultaneously; Absorbing material adopts the good compost of fermentation maturity, and thickness is not less than 1.5m, and pH value is 7～9, and water ratio is 50%～60%, after absorbing material is saturated to ammonia absorption, changes.
The technique that is applicable to livestock excrement composting volatilization Ammonia recovery is: during livestock excrement composting, in fermentation warehouse, can produce a large amount of ammonias, utilize centrifugal blower by gas transmission pipeline, the ammonia in fermentation warehouse all to be extracted out, and send into the gas distributing system of ammonia absorbing cabin bottom, require centrifugal blower continuous firing, and fan delivery meets per hour gas in fermentation warehouse can being found time 10 times; After ammonia is uniformly distributed by gas distributing system, upwards enter successively padding layer and layers of absorbent material, absorbing material pH is 7～9, and water ratio 50%～60% more than height 1.5m, requires ammonia and more than absorbing material 100s duration of contact; Ammonia is absorbed material and adsorbs or be dissolved in moisture in the process by absorbing material, then under the effect of the contained microorganism of absorbing material, is translated into the nitrogen of other forms, thereby realizes the recycling of volatilization ammonia.
The beneficial effect that the utility model compared with prior art has is: this system is joined the inlet mouth fermentation cabin air outlet of centrifugal blower, centrifugal blower air outlet and Ammonia recovery storehouse inlet mouth join, can fully guarantee that compost volatile ammonia is all admitted to recovery in Ammonia recovery storehouse, has improved Ammonia recovery efficiency greatly; This system arranges gas distribution pipeline in Ammonia recovery storehouse bottom, can effectively reduce ammonia by the speed of absorbing material, make ammonia and absorbing material duration of contact longer, contact more even, thereby further improved Ammonia recovery efficiency; The fermentation warehouse of this system and ammonia absorbing cabin can be formed by the simple transformation in original compost fermentation workshop and compost maturity workshop respectively, do not need to build specially extra means, greatly save soil and facility investment; This system utilizes matured compost as ammonia absorbing material, matured compost has good adsorptivity to ammonia, and self contain a large amount of microorganisms, ammonia is had to good decomposition and conversion capability, so this system has good absorption and receptivity to ammonia; In this system process, do not need to add any inoculating microbe and other complementary materials, can not cause secondary pollution; This system operation is simple, and run duration do not need any manual operation, therefore uses simply, and easy to maintenance, running cost is lower.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment is further described the utility model.
As shown in Figure 1, the system that is applicable to livestock excrement composting volatilization Ammonia recovery is linked in sequence and is formed by fermentation warehouse (1), gas transmission pipeline (2), centrifugal blower (3) and ammonia absorbing cabin (4), fermentation cabin (1) is provided with top cover, top is left gas discharge outlet (8) and is tightly connected with the inlet mouth of centrifugal blower (3), the air outlet of centrifugal blower (3) is connected with the main ventilation seal of tube that is arranged on ammonia absorbing cabin (4) bottom, ammonia absorbing cabin profile is square, and top is opened wide.Described fermentation warehouse (1) leaves gas discharge outlet (8), and relief outlet (8) is located at top, and with gas transmission pipeline (2) close proximity, to guarantee that the interior gas of fermentation cabin (1) can all be centrifuged blower fan (3) and extract out.
Described gas transmission pipeline (2) adopts PVC or PPR material, has certain anti-ammonia corrosive nature, adopts winter lagging material to be incubated.
Described centrifugal blower (3) air quantity per hour is the more than 10 times of gas volume in fermentation warehouse.
Described ammonia absorbing cabin (4) is connected by gas transmission pipeline (2) with fermentation warehouse (1); Gas distributing system (5) is comprised of 1 main ventilation road and many small transfer lines, and main ventilation road and gas transmission pipeline (2) join, and small transfer line is evenly arranged in ammonia absorbing cabin (4) bottom, in order to gas uniform is distributed; Thick 5～the 10cm of described bedding and padding (6) left and right, adopts the maize straw of rice husk or pulverizing, makes the gas can be smoothly by guarantee that the fine particle of absorbing material can not stop up gas distribution pipeline simultaneously; Described absorbing material (7) adopts the good compost of fermentation maturity, and thickness is not less than 1.5m, and pH value is 7～9, and water ratio is 50%～60%, after absorbing material is saturated to ammonia absorption, changes.
The technique that is applicable to livestock excrement composting volatilization Ammonia recovery is: during livestock excrement composting, in fermentation warehouse (1), can produce a large amount of ammonias, centrifugal blower (3) is all extracted the ammonia in fermentation warehouse (1) out by gas transmission pipeline (2), and by gas transmission pipeline (2), send into the gas distributing system (5) of ammonia absorbing cabin (4) bottom, require centrifugal blower continuous firing, and fan delivery meets per hour gas in fermentation warehouse can being found time more than 10 times; After ammonia is uniformly distributed by gas distributing system (5), upwards enter successively padding layer (6) and layers of absorbent material (7), require ammonia and more than absorbing material 100s duration of contact; Ammonia is absorbed material and adsorbs or be dissolved in moisture in the process by absorbing material, then under the effect of the contained microorganism of absorbing material, be translated into the nitrogen of other forms, thereby the recycling test-results that realizes compost volatile ammonia shows, in composting process in fermentation warehouse ammonia concentration up to 140mg/m
3time, in ammonia absorbing cabin, ammonia concentration is lower than 15mg/m
3, system reaches 82.4% to the rate of recovery of volatilization ammonia.
Claims (5)
1. a system that is applicable to livestock excrement composting volatilization Ammonia recovery, by fermentation warehouse (1), gas transmission pipeline (2), centrifugal blower (3) and ammonia absorbing cabin (4), be linked in sequence and form, it is characterized in that fermentation cabin (1) is provided with top cover, top is left gas discharge outlet (8) and is tightly connected with the inlet mouth of centrifugal blower (3), the air outlet of centrifugal blower (3) is connected with the main ventilation seal of tube that is arranged on ammonia absorbing cabin (4) bottom, ammonia absorbing cabin profile is square, and top is opened wide.
2. the system that is applicable to livestock excrement composting volatilization Ammonia recovery according to claim 1, it is characterized in that: described fermentation warehouse (1) leaves gas discharge outlet (8), relief outlet (8) is located at top, and with gas transmission pipeline (2) close proximity, to guarantee that the interior gas of fermentation cabin (1) can all be centrifuged blower fan (3) and extract out.
3. the system that is applicable to livestock excrement composting volatilization Ammonia recovery according to claim 1, it is characterized in that: described gas transmission pipeline (2) adopts PVC or PPR material, there is certain anti-ammonia corrosive nature, adopt winter lagging material to be incubated processing to gas transmission pipeline (2).
4. the system that is applicable to livestock excrement composting volatilization Ammonia recovery according to claim 1, is characterized in that: described centrifugal blower (3) air quantity per hour is the more than 10 times of gas volume in fermentation warehouse.
5. the system that is applicable to livestock excrement composting volatilization Ammonia recovery according to claim 1, is characterized in that: described ammonia absorbing cabin (4) is connected by gas transmission pipeline (2) with fermentation warehouse (1); Gas distributing system (5) is comprised of 1 main ventilation road and many small transfer lines, and main ventilation road and gas transmission pipeline (2) join, and small transfer line is evenly arranged in ammonia absorbing cabin (4) bottom, in order to gas uniform is distributed; Thick 5～the 10cm of bedding and padding (6), the maize straw of employing rice husk or pulverizing, guarantees when gas can be passed through smoothly that the fine particle of absorbing material can not stop up gas distribution pipeline; Absorbing material (7) adopts the good compost of fermentation maturity, is highly not less than 1.5m, and pH value is 7～9, and water ratio is 50%～60%, after absorbing material is saturated to ammonia absorption, changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397036.9U CN203558984U (en) | 2013-07-05 | 2013-07-05 | System applicable to recycling of volatile ammonia of livestock manure compost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397036.9U CN203558984U (en) | 2013-07-05 | 2013-07-05 | System applicable to recycling of volatile ammonia of livestock manure compost |
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|---|---|
| CN203558984U true CN203558984U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320397036.9U Expired - Fee Related CN203558984U (en) | 2013-07-05 | 2013-07-05 | System applicable to recycling of volatile ammonia of livestock manure compost |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105622189A (en) * | 2016-01-29 | 2016-06-01 | 四川大学 | Method for carrying out compost deodorization and producing high nitrogen content organic fertilizer by using composting reactor |
| CN111204943A (en) * | 2020-01-19 | 2020-05-29 | 青岛兴开环境科技有限公司 | Poultry manure treatment process and equipment |
-
2013
- 2013-07-05 CN CN201320397036.9U patent/CN203558984U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105622189A (en) * | 2016-01-29 | 2016-06-01 | 四川大学 | Method for carrying out compost deodorization and producing high nitrogen content organic fertilizer by using composting reactor |
| CN105622189B (en) * | 2016-01-29 | 2020-04-07 | 四川大学 | Method for deodorizing compost and producing high-nitrogen-content organic fertilizer by using compost reactor |
| CN111204943A (en) * | 2020-01-19 | 2020-05-29 | 青岛兴开环境科技有限公司 | Poultry manure treatment process and equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20160705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |