CN208346153U - Gravity pulling flow type dry fermentation air fertilizer coproduction device - Google Patents
Gravity pulling flow type dry fermentation air fertilizer coproduction device Download PDFInfo
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- CN208346153U CN208346153U CN201820629637.0U CN201820629637U CN208346153U CN 208346153 U CN208346153 U CN 208346153U CN 201820629637 U CN201820629637 U CN 201820629637U CN 208346153 U CN208346153 U CN 208346153U
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- fermentation tank
- fermentation
- type dry
- flow type
- gravity pulling
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- 238000000855 fermentation Methods 0.000 title claims abstract description 105
- 230000004151 fermentation Effects 0.000 title claims abstract description 101
- 230000005484 gravity Effects 0.000 title claims abstract description 23
- 239000003337 fertilizer Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 22
- 239000002994 raw material Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003895 organic fertilizer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002054 inoculum Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Fertilizers (AREA)
Abstract
The utility model discloses a kind of gravity pulling flow type dry fermentation air fertilizer coproduction devices, fermentation tank including vertical setting, feeding warehouse is provided at the top of fermentation tank, mixing propeller is provided in feeding warehouse, the gas-guide tube being connected to in fermentation tank is additionally provided at the top of fermentation tank, fermentation tank internal upper part is provided with blender, gas flow guiding mechanism is connected on the agitating shaft of blender lower part, gas flow guiding mechanism is used to drive the biogas generated in the intracorporal material of fermentor at the top of fermentation tank, and fermentation tank bottom is provided with discharge nozzle.The utility model operation is easy to operate, and low energy consumption, and high production efficiency, occupied area is small, is suitable for high solid concentration organic castoff resource utilization.
Description
Technical field
The utility model belongs to the process field of solid waste, and in particular to a kind of gravity pulling flow type anaerobic dry fermentation production
The device of biogas and organic fertilizer.
Background technique
Existing anaerobic dry fermentation apparatus is less, and is horizontal reactor, and material utilizes screw conveyor or plunger from side
Pump input is exported from the other side using negative pressure, and inside is equipped with the equipment that screw propulsion has stirring action concurrently.It this input and output material and pushes away
It is high that device operation energy consumption is caused into agitating mode；And due to the complexity of anaerobic fermentation raw material ingredient, the spiral transferring of long range
It send or plunger apparatus for feeding easily damages；Negative pressure discharge method be easy to cause device internal negative pressure excessive and damages；Inside promotes
The work surface of mixing plant is due to cannot achieve total cross-section covering, so that device surrounding forms dead angle, reduces effectively fermentation and holds
Product, influences reaction efficiency.In addition, existing apparatus uses the form of horizontal placement, cause to take up a large area, hardly possible adapts to rural area topography
Complexity.
To solve the above-mentioned problems, there is the anaerobic dry fermentation apparatus using vertical reactor in the prior art, for example, in
State patent publication No. CN107653180A discloses a kind of vertical continuous dry fermentation device, and publication date is on February 02nd, 2018,
It heats up including stirring and adjusts tank, the charging of multiple spot distribution, vertical continuous dry fermentation reactor and clinker reflux mixed process, formed
A kind of high solid concentration organic castoff produces the process and its fermentation system of biological flue gas.In China Patent Publication No.
A kind of vertical continuous anaerobic dry fermentation method and apparatus is disclosed in 106434763A, publication date is on February 22nd, 2017,
It includes the steps that following sequence progress and corresponding device: high solid content waste and inoculum are thoroughly mixed to form in homogeneous tank
Mixed raw material；Mixed material enters anaerobic fermentation tank by continuous feeding device；Mixed material is detested in anaerobic fermentation tank
Aerobe fermentation reaction generates biogas；Salvage stores after the completion of anaerobic fermentation is continuously defeated by the spiral discharge device of fermenter base
Fermentor out；Residues are carried out in spiral discharge device solid-liquid separation into biogas residue and biogas slurry simultaneously；Part biogas residue is back to
Homogeneous tank is as inoculum；Part biogas slurry passes sequentially through biogas slurry pump, biogas slurry surge tank and spray pump and sprays in fermentor again.
But there is also following deficiencies for the existing anaerobic dry fermentation apparatus using vertical reactor:
Complicated installation for fermenting outside plant: the stirring heating of such as CN107653180A adjusts tank, discharging pump,
The homogeneous tank of 106434763A, spiral discharging machine etc..
CN107653180A has clinker return-flow system, and there is 106434763A biogas residue reflux and biogas slurry spray (reflux) to set
It applies, for lot of documents with experiments have shown that multi-reflow can be such that ammonia nitrogen concentration in fermentation materials constantly increases, inhibition even terminates anaerobism
Fermentation process, and there is no feasible recovery ways at present.
Existing vertical tank is in the case where no mixing plant, due to the effect of material and tank design pressure in tank, in
The biogas that lower layer's fermentation materials generate is difficult to discharge, and can be discharged with material.
Summary of the invention
The purpose of the utility model is to overcome the above problems of the existing technology, provide a kind of gravity pulling flow type drying hair
Fermentation gas fertilizer combined production device.The utility model operation is easy to operate, and low energy consumption, and high production efficiency, occupied area is small, is suitable for Gao Gu
Bulk concentration reclaiming organic waste utilizes.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of gravity pulling flow type dry fermentation air fertilizer coproduction device, it is characterised in that: the fermentation tank including vertical setting, hair
It is provided with feeding warehouse at the top of fermentation tank body, mixing propeller is provided in feeding warehouse, is additionally provided with and sends out at the top of fermentation tank
The gas-guide tube being connected in fermentation tank body, fermentation tank internal upper part are provided with blender, are connected with gas on the agitating shaft of blender lower part
Body deflector, gas flow guiding mechanism are used to drive the biogas generated in the intracorporal material of fermentor at the top of fermentation tank,
Fermentation tank bottom is provided with discharge nozzle.
The mixing propeller includes decelerating motor, connector, transmission shaft, zigzag mixing paddle and screw propulsion blade,
Decelerating motor is by connector and transmission axis connection, and zigzag mixes paddle and screw propulsion blade is arranged on transmission shaft, spiral
Blade is promoted to be located at below zigzag mixing paddle.
Zigzag mixing paddle be it is a piece of, the upper end of screw propulsion blade mix paddle with zigzag and cooperates, lower end extension
To end part of driving shaft.
The mixing propeller further includes shell, and shell is connected to feeding warehouse or shell and feeding warehouse shell are same shell
Body.
The gas flow guiding mechanism includes gas flow guiding stick and spiral piece, and gas flow guiding stick one end and agitating shaft connect
It connects, the other end extends to fermentation tank bottom, and spiral piece is provided on gas flow guiding stick.
The discharge nozzle is two, wherein the setting height of a discharge nozzle is higher than another discharge nozzle.
It is provided with pipe heat exchanger on the fermentation tank inner wall, is provided with thermo detector on fermentation tank outer wall.
It is connect at the top of the agitating shaft upper end of the blender and fermentation tank, junction is provided with mechanical seal structure or water
Sealing structure.
The feeding warehouse is connected to by connecting pipe with fermentation tank inner cavity, and motor-driven valve or manual is provided in connecting pipe
Valve.
Motor-driven valve or manually-operated gate are provided on the discharge nozzle.
The ratio of height to diameter of the shell portion of the fermentation tank is greater than 3:1.
Using utility model has the advantages that
(1) the utility model realizes high solid proferment using the effect of gravity plug-flow by the biggish ratio of height to diameter of tank body
Expect self-emptying, reduce device operation energy consumption, reduces occupied area.
(2) the utility model is by being only arranged at the blender of tank internal upper part, realizes newly into the mixing of material and old material,
While improving material and microorganism mass transfer, the effect of broken shell is realized.
(3) the utility model is stirred by the biggish ratio of height to diameter of tank body and the blender for being only arranged at tank internal upper part in realization
Mix, discharging functions while, avoid the short flow phenomenon of fermentation materials, guarantee the hydraulic retention time of material in the device, to protect
Exhibit material sufficiently ferments, and improves reaction efficiency.
(4) the utility model realizes high solid concentration material or dry by the mixing propeller being set in feeding warehouse
The mixing of material and charging dual function, while the mixing propeller has the characteristics that axial length is short, reduces energy consumption, reduces equipment
Failure rate.
(5) the utility model can directly handle feces of livestock and poultry, kitchen garbage and through high solids such as simple pretreated stalks
Concentration organic castoff realizes efficient biological flue gas and organic fertilizer coproduction, is obviously improved production efficiency.
Therefore, the utility model overcomes existing anaerobic dry fermentation apparatus operation energy consumption height, and device and corollary equipment are easy
Damage, reaction efficiency is not high, the technological deficiency taken up a large area.The gravity pulling flow type dry fermentation air fertilizer coproduction device of offer, tool
There is operation easy to operate, the advantages that low energy consumption, high production efficiency, occupied area is small is suitable for high solid concentration organic castoff
Recycling treatment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model mixing propeller structural schematic diagram；
Fig. 3 is the planar structure schematic diagram that the utility model mixing propeller zigzag mixes paddle.
In the figure, it is marked as 1. fermentation tanks；2. mixing propeller；3. feeding warehouse；4. gas-guide tube；5. blender；6. gas
Flow-guiding bar；7. heat exchanger；8. thermo detector；9. discharge nozzle；10. decelerating motor；11. connector；12. transmission shaft；13. zigzag is mixed
Close paddle；14. screw propulsion blade；15. shell.
Specific embodiment
Embodiment 1
The gravity pulling flow type dry fermentation air fertilizer coproduction device of the utility model, is mainly made of fermentation tank 1, fermentation tank
1 is vertical tank body, and the ratio of height to diameter of 1 shell portion of fermentation tank should be greater than 3:1, and tank deck side is equipped with feeding warehouse 3, in feeding warehouse 3
If mixing propeller 2, tank deck sets gas-guide tube 4, and tank internal upper part sets blender 5, and the agitating shaft lower part of blender 5 connects gas flow guiding
Stick 6 sets heat exchanger 7 in tank, built-in pipe installation thermo detector 8 is set on the cylinder of fermentation tank 1,1 bottom of fermentation tank and bottom are inclined
It is upper to install discharge nozzle 9.
In above scheme, the agitating shaft of the blender 5 and tank deck junction should do mechanical seal and water-stop；Feeding warehouse
3 with tank body connecting pipe on set motor-driven valve or manually-operated gate, feed pipe sets water-stop in tank；It is set on gas flow guiding stick 6 relatively narrow
Spiral steel disc；Motor-driven valve or manually-operated gate are set on discharge nozzle 9.
The working principle of mixing propeller are as follows: the revolving speed of decelerating motor 10 is adjusted to 10-30 revs/min, and torsion is passed through company
It connects device 11 and passes to transmission shaft 12, transmission shaft 12 drives zigzag mixing paddle 13 and screw propulsion blade 14 to rotate, and zigzag is mixed
The material for entering shell 15 can be mixed by closing paddle 13, and push material downwardly together with screw propulsion blade 14, reach high
The purpose of concentration material hybrid propulsion charging.
Embodiment 2
The present embodiment combination attached drawing is described further the utility model.
As shown, being mainly made of fermentation tank 1, fermentation tank 1 is vertical tank body, and tank deck side is equipped with feeding warehouse 3,
Mixing propeller 2 is set in feeding warehouse 3, tank deck sets gas-guide tube 4, and tank internal upper part sets blender 5, and agitating shaft lower part connects gas flow guiding
Stick 6 sets heat exchanger 7 in tank, built-in pipe installation thermo detector 8 is set on tank body cylinder, tank base and bottom position on the upper side set out material
Pipe 9.
In this example, the shell portion ratio of height to diameter of the fermentation tank 1 should be greater than 3:1.
In this example, the agitating shaft of the blender 5 and tank deck junction should do mechanical seal and water-stop.
In this example, motor-driven valve or manually-operated gate are set in the feeding warehouse 3 and tank body connecting pipe, feed pipe sets watertight in tank
Envelope.
In this example, relatively narrow spiral piece is set on the gas flow guiding stick 6, spiral piece is steel disc.
In this example, motor-driven valve or manually-operated gate are set on the discharge nozzle 9.
The utility model is further illustrated below by the course of work:
When work, fermentation raw material enters in feeding warehouse 3 machinery conveying or by way of toppling over, in mixing propeller 2
Under effect, raw material enters after mixing in fermentation tank 1.Newly into raw material under the action of blender 5, in tank material upper layer with
Old material rich in anaerobe is uniformly mixed, and achievees the purpose that raw material and the abundant mass transfer of microorganism.Before charging or charging is same
When, the valve of discharge nozzle 9 is opened, with the material for newly completing fermentation into raw material equivalent discharge tank body bottom.Using this intermittent
Sequence batch input and output material mode, raw material moves down under the effect of gravity plug-flow from tank body top from level to level, until fermentation complete from
Tank bottom discharge, both ensure that input and output material was smooth, also avoid raw material because short stream, inabundant fermentation due to are expelled directly out.In blender 5
While work, gas flow guiding stick 6 is driven to rotate together, due to setting relatively narrow spiral steel disc, tank body on gas flow guiding stick 6
The biogas generated in the material of middle and lower part is under the drive of flow-guiding bar and spiral steel disc, it is easy to be released, and and top
The biogas directly discharged passes through the output of gas-guide tube 4 together and utilizes, and solves since tank body ratio of height to diameter is larger, middle and lower part biogas is not easy
The problem of release.Heat exchanger 7 and thermo detector 8 realize the requirement of material ferment at constant temperature and temperature control.
Experimental result shows that the utility model gravity pulling flow type dry fermentation air fertilizer coproduction device has operation easy to operate,
The advantages that low energy consumption, high production efficiency, occupied area is small.Suitable for high solid concentration organic castoff, especially excrement, kitchen
The recycling treatment of rubbish or stalk and excrement mixture realizes high-performance bio combustion gas and organic fertilizer coproduction.
Embodiment 3
A kind of gravity pulling flow type dry fermentation air fertilizer coproduction device, the fermentation tank 1 including vertical setting, fermentation tank 1
Top is provided with feeding warehouse 3, mixing propeller 2 is provided in feeding warehouse 3, the top of fermentation tank 1 is additionally provided with and fermentor
The gas-guide tube 4 being connected in body 1,1 internal upper part of fermentation tank are provided with blender 5, are connected with gas on the agitating shaft of 5 lower part of blender
Body deflector, gas flow guiding mechanism are used to drive the biogas generated in the material in fermentation tank 1 at the top of fermentation tank,
1 bottom of fermentation tank is provided with discharge nozzle 9.
The mixing propeller includes that decelerating motor 10, connector 11, transmission shaft 12, zigzag mixing paddle 13 and spiral push away
Into blade 14, decelerating motor 10 is connect by connector 11 with transmission shaft 12, and zigzag mixes paddle 13 and screw propulsion blade 14
It is fixed on transmission shaft 12, screw propulsion blade 14 is located at 13 lower section of zigzag mixing paddle.
Zigzag mixing paddle 13 be it is a piece of, be located at transmission shaft 12 topmost, the upper end of screw propulsion blade 14 and saw
Tooth form mixes paddle 13 and cooperates, and lower end extends to 12 end of transmission shaft.
The mixing propeller 2 further includes shell 15, and shell 15 is connected to feeding warehouse 3 or shell 15 and feeding warehouse shell
For same housing.
The gas flow guiding mechanism includes gas flow guiding stick 6 and spiral piece, and 6 one end of gas flow guiding stick and agitating shaft connect
It connects, the other end extends to 1 bottom of fermentation tank, is provided with spiral piece on gas flow guiding stick 6.
The discharge nozzle 9 is two, wherein the setting height of a discharge nozzle is higher than another discharge nozzle.
It is provided with pipe heat exchanger 7 on 1 inner wall of fermentation tank, is provided with thermo detector 8 on 1 outer wall of fermentation tank.
Connected at the top of the agitating shaft upper end of the blender 5 and fermentation tank 1, junction be provided with mechanical seal structure or
Watertight construction.
The feeding warehouse 3 is connected to by connecting pipe with 1 inner cavity of fermentation tank, and motor-driven valve or hand are provided in connecting pipe
Movable valve.
Motor-driven valve or manually-operated gate are provided on the discharge nozzle 9.
The ratio of height to diameter of the shell portion of the fermentation tank 1 is greater than 3:1.
Co-production using the utility model includes: that fermentation raw material enters in feeding warehouse, in the effect of mixing propeller
Under, raw material enters in fermentation tank after mixing；Newly into raw material under the action of blender, in fermentation tank material upper layer with
Old material rich in anaerobe is uniformly mixed；Before charging or charging simultaneously, the valve of discharge nozzle is opened, and newly into raw material etc.
Amount discharge tank body bottom completes the material of fermentation；Top raw material moves down under the effect of gravity plug-flow from fermentation tank top,
Until fermentation is completed to be discharged from tank bottom；While blender work, gas flow guiding stick is driven to rotate together, due to gas flow guiding
Spiral piece on stick, the biogas generated in the material of fermentation tank middle and lower part under the drive of flow-guiding bar and spiral piece,
It is exported together with the biogas that top directly discharges by gas-guide tube.
Claims (10)
1. a kind of gravity pulling flow type dry fermentation air fertilizer coproduction device, it is characterised in that: the fermentation tank (1) including vertical setting,
It is provided at the top of fermentation tank (1) feeding warehouse (3), is provided with mixing propeller (2) in feeding warehouse (3), fermentation tank (1)
Top, which is additionally provided with, is provided with blender (5) with the interior gas-guide tube (4) being connected to of fermentation tank (1), fermentation tank (1) internal upper part,
Gas flow guiding mechanism is connected on the agitating shaft of blender (5) lower part, gas flow guiding mechanism is used for the object in fermentation tank (1)
The biogas generated in material drives at the top of fermentation tank (1), and fermentation tank (1) bottom is provided with discharge nozzle (9).
2. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 1, it is characterised in that: the hybrid propulsion
Device (2) includes decelerating motor (10), connector (11), transmission shaft (12), zigzag mixing paddle (13) and screw propulsion blade
(14), decelerating motor (10) is connect by connector (11) with transmission shaft (12), and zigzag mixes paddle (13) and screw propulsion leaf
Piece (14) is arranged on transmission shaft (12), and screw propulsion blade (14) is located at below zigzag mixing paddle (13).
3. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 2, it is characterised in that: the zigzag is mixed
Close paddle (13) be it is a piece of, the upper end of screw propulsion blade (14) mixed with zigzag paddle (13) cooperate, lower end extends to transmission shaft
(12) end.
4. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 3, it is characterised in that: the hybrid propulsion
Device (2) further includes shell (15), and shell (15) is connected to feeding warehouse (3) or shell (15) and feeding warehouse (3) shell are same shell
Body.
5. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 4, it is characterised in that: the gas flow guiding
Mechanism includes gas flow guiding stick (6) and spiral piece, and gas flow guiding stick (6) one end and stirring axis connection, the other end extend to
Fermentation tank (1) bottom, gas flow guiding stick are provided with spiral piece on (6).
6. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 5, it is characterised in that: the discharge nozzle
It (9) is two, wherein the setting height of a discharge nozzle is higher than another discharge nozzle.
7. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 6, it is characterised in that: the fermentation tank
(1) it is provided on inner wall pipe heat exchanger (7), is provided with thermo detector (8) on fermentation tank (1) outer wall.
8. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 7, it is characterised in that: the blender
(5) it is connect at the top of agitating shaft upper end and fermentation tank (1), junction is provided with mechanical seal structure or watertight construction.
9. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 8, it is characterised in that: the feeding warehouse
(3) it is connected to by connecting pipe with fermentation tank (1) inner cavity, motor-driven valve or manually-operated gate is provided in connecting pipe.
10. gravity pulling flow type dry fermentation air fertilizer coproduction device according to claim 9, it is characterised in that: the fermentor
The ratio of height to diameter of the shell portion of body (1) is greater than 3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629637.0U CN208346153U (en) | 2018-04-28 | 2018-04-28 | Gravity pulling flow type dry fermentation air fertilizer coproduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629637.0U CN208346153U (en) | 2018-04-28 | 2018-04-28 | Gravity pulling flow type dry fermentation air fertilizer coproduction device |
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| Publication Number | Publication Date |
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| CN208346153U true CN208346153U (en) | 2019-01-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820629637.0U Expired - Fee Related CN208346153U (en) | 2018-04-28 | 2018-04-28 | Gravity pulling flow type dry fermentation air fertilizer coproduction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315237A (en) * | 2018-04-28 | 2018-07-24 | 农业部沼气科学研究所 | Gravity pulling flow type dry fermentation air fertilizer coproduction devices and methods therefor |
-
2018
- 2018-04-28 CN CN201820629637.0U patent/CN208346153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315237A (en) * | 2018-04-28 | 2018-07-24 | 农业部沼气科学研究所 | Gravity pulling flow type dry fermentation air fertilizer coproduction devices and methods therefor |
| CN108315237B (en) * | 2018-04-28 | 2023-07-18 | 农业部沼气科学研究所 | Gravity plug flow type dry fermentation gas fertilizer co-production device and method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: No.13, section 4, Renmin South Road, Wuhou District, Chengdu, Sichuan 610041 Patentee after: Chengdu Zhongnong Energy and Environmental Engineering Design Co.,Ltd. Address before: 610041, No. 4, 13 South Renmin Road, Chengdu, Sichuan, Wuhou District Patentee before: BIOGAS INSTITUTE OF MINISTRY OF AGRICULTURE |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |