CN106747752A - A kind of compost fermentation tank - Google Patents
A kind of compost fermentation tank Download PDFInfo
- Publication number
- CN106747752A CN106747752A CN201710137280.4A CN201710137280A CN106747752A CN 106747752 A CN106747752 A CN 106747752A CN 201710137280 A CN201710137280 A CN 201710137280A CN 106747752 A CN106747752 A CN 106747752A
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- Prior art keywords
- tank body
- interior
- outer tank
- stainless steel
- top cover
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/914—Portable or transportable devices, e.g. transport containers or trucks
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/70—Controlling the treatment in response to process parameters
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of compost fermentation tank, it is characterised in that：It includes outer tank body and is built in the interior tank body of the outer tank body；Insulation material is filled between the outer tank body and interior tank body；The outer tank body top connection top cover, connects gas production pipe and emptying pipeline on the top cover；The bottom of the interior tank body is placed with air supply plant, and the input of the air supply plant passes the interior tank body and outer tank body.The present invention sets insulation material by between interior outer tank body, in interior tank base, air supply plant is set, gas production pipe and emptying pipeline are connected on top cover, compost can be made to be fermented under suitable humiture environment, the fermentation gas change in concentration amplitude of generation is small, by gas production pipe gather fermentation gas it is convenient and simple and reduce because environmental change produce error, ensure that tank interior pressure, in safe range, realizes the On-line sampling system of fermentation gas and the accuracy of test in laboratory by emptying pipeline simultaneously.
Description
Technical field
The present invention relates to a kind of compost fermentation device, more particularly to a kind of compost fermentation tank.
Background technology
Substantial amounts of toxic and harmful, such as ammonia, hydrogen sulfide, sulfur dioxide etc. are produced in organic fertilizer composting process, to ring
Cause severe contamination in border.The toxic and harmful produced in composting process is controlled and reduces, first it is to be understood that these gases
Volatile quantity, therefore how accurately to detect that the volatile quantity of these gases is particularly important.Compost scene is usually opening or half
Open factory building, ventilation, turning etc. are needed according to the requirement of composting process, in composting process, and compost site environment is severe, humiture
Change greatly, the gas concentration amplitude of variation that compost is produced is larger, and the detection difficulty to gas is higher.At present to poisonous and harmful gas
The measurement means of body are broadly divided into two kinds, and one kind is On-line sampling system；One kind is gas collecting --- test in laboratory.Online
Measurement in real time has gathered data timely advantage, but the surrounding environment requirement to collecting location is higher, once surrounding ring
Border such as humiture, air velocity etc. change, and the degree of accuracy and sensitivity of gathered data will be subject to large effect, lead
Cause measurement data inaccurate；Gas collecting --- test in laboratory because detection process is in laboratory, therefore by the shadow of environment
Sound is smaller, and detection data is accurate, but due to being artificial timing acquiring, therefore detect the representative poor of gas, it is impossible to accomplish reality
When measure.How above two measurement means mutual advantage and disadvantage, learn from other's strong points to offset one's weaknesses, and accomplishes by the less real-time gas of surrounding environment influence
Body is accurately detected, is a difficult point of current compost fermentation gas detection.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of compost hair that can easily and accurately gather fermentation gas
Fermentation tank, to realize the On-line sampling system of fermentation gas and the accuracy of test in laboratory.
To achieve the above object, the present invention uses following technical scheme：A kind of compost fermentation tank, it is characterised in that：It is wrapped
Include outer tank body and be built in the interior tank body of the outer tank body；Insulation material is filled between the outer tank body and interior tank body；It is described outer
Tank body top connection top cover, connects gas production pipe and emptying pipeline on the top cover；The bottom of the interior tank body is placed with supplies gas
Device, the input of the air supply plant passes the interior tank body and outer tank body.
The outer tank body is the rectangular structure that top is provided with circular open, and the interior tank body is the cylinder knot of uncovered
Structure, the top cover is circular configuration, and the outer tank body, interior tank body and top cover use stainless steel.
The air supply plant is stainless steel pipeline, including bend pipe and is connected through the interior tank body, outer tank body and the bend pipe
The straight tube for connecing, with the interior tank body and outer tank body using being tightly connected, the bend pipe is coaxial with the interior tank body to the straight tube
And the ring tube less than 360 °, the endcapped of the bend pipe, multiple stomatas are uniformly provided with the bend pipe.
Supporter is along the circumferential direction fixedly connected on the madial wall of the interior tank base, is put on the supporter
Stainless steel framework is equipped with, is furnished with handle on the stainless steel framework, the stainless steel framework is latticed cylindrical structure, described stainless
Less than the internal diameter of the interior tank body, the height of the stainless steel framework is the 2/3 of the interior tank body height to the external diameter of steel framework.
Rotating disk is provided with the top of the top cover, the rotating disk is coaxially fastenedly connected with screwed pipe, in the screwed pipe
Bottom be provided with first raised, at the top of top cover, link slot is set, first projection of the screwed pipe bottom is stuck in
In the link slot, arched girder is connected through a screw thread on the screwed pipe, groove is set in the bottom surface of the arched girder, in institute
State and set raised with the second of groove fit on screwed pipe；The outer tank body top is diagonally upper to set a pair of attackers；Institute
State and be provided with rubber blanket between top cover and the interior tank body.
Embedded attacker is set on the lateral wall of the outer tank body, and the bottom corner of the outer tank body sets roller.
The gas production pipe and gas exhaust piping and the top cover using being tightly connected, the gas production pipe and gas exhaust piping
On be respectively provided with control valve, a diameter of 1-2 ㎝ of gas production pipe, a diameter of 5-8 ㎝ of emptying pipeline.
Temperature measuring apparatus, pressure measuring unit and time showing logger, the top cover are set in the outer tank body
Top be provided with pressure-control valve.
Gas-filtering device is set in the outer tank body, and the gas-filtering device includes being fixed in the outer tank body
Stainless steel stent, stainless steel stent top is higher than the outer tank body top surface, and condenser pipe is fixed on the stainless steel stent,
One end of the condenser pipe is connected filter membrane with rubber stopper by emulsion tube, and filter membrane connects collecting device, the condenser pipe
The other end connects the first port of fore-telling type glass three-way, the second port connection glass bend pipe of the fore-telling type glass three-way, the fore-telling type
The 3rd port connection ground receiving flask of glass three-way, the ground receiving flask is by the handgrip that is connected with the stainless steel stent
Fixed, the glass bend pipe connects the gas production pipe or emptying pipeline by rubber stopper.
The present invention uses above technical scheme, and it has the following advantages that：1st, the present invention is set by between interior outer tank body
Insulation material, air supply plant is set in interior tank base, and gas production pipe and emptying pipeline are connected on top cover, can make compost suitable
Fermented under suitable humiture environment, the fermentation gas change in concentration amplitude of generation is small, fermentation gas side is gathered by gas production pipe
Just the error that simple and reduction is produced by environmental change, while ensure tank interior pressure in safe range by emptying pipeline,
Realize the On-line sampling system of fermentation gas and the accuracy of test in laboratory.2nd, air supply plant of the invention is stainless steel tube
Road, including bend pipe and the straight tube that is connected with bend pipe through interior outer tank body, straight tube use welding to ensure sealing with interior outer tank body,
Bend pipe is ring tube coaxial with interior tank body and less than 360 °, and the endcapped of bend pipe is uniformly provided with multiple stomatas, energy on bend pipe
Enough make the compost in inner canister body uniform and be fully contacted air fermentation.3rd, interior tank body of the invention is solid on the madial wall of bottom
Surely connect supporter, on supporter place stainless steel screen frame, ensure that it is at regular intervals between stainless steel framework and air supply plant,
Air supply plant air-hole blockage is avoided, meanwhile, handle is set on stainless steel framework, facilitate staff to take out stainless steel framework, clear up
Compost fermentation residue.4th, the side wall of outer tank body of the invention sets embedded attacker, and bottom corner sets roller, facilitates compost
Cleaning inside the cleaning of product and fermentation tank, meanwhile, facilitate the transport of fermentation tank to shift.5th, gas production pipe of the invention and row
Control valve is respectively provided with blank pipe road, the switching of gas production and emptying can be controlled by controlling valve, it is ensured that tank interior air pressure is in peace
Gas production is carried out in gamut, while gas production pipe diameter uses 1-2 ㎝, emptying pipeline diameter uses 5-8 ㎝, to ensure air collecting pipe
Road is connected with instrument and equipment real-time stabilization, and emptying pipeline does not occur because of the phenomenon of large granular impurity blocking pipeline.6th, it is of the invention
Gas-filtering device is set in outer tank body, is connected with gas production pipe and emptying pipeline switching, can realize to the miscellaneous of fermentation gas
Matter filters the recovery with vapor in fermentation gas.
Brief description of the drawings
Fig. 1 is integral perspective structural representation of the invention；
Fig. 2 is overall structure diagram of the invention；
Fig. 3 is overlooking the structure diagram of the invention；
Fig. 4 is cross-sectional structural representation of the invention；
Fig. 5 is cap structure schematic diagram of the invention；
Fig. 6 is the partial sectional view of top cover of the invention；
Fig. 7 is gas-filtering device structural representation of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 3, the invention provides a kind of compost fermentation tank, including outer tank body 1 and it is built in outer tank body 1
Interior tank body 2.Insulation material is filled between outer tank body 1 and interior tank body 2.The top of outer tank body 1 connection top cover 3, gas production is connected on top cover 3
Pipeline 5 and emptying pipeline 6.The bottom of interior tank body 2 is placed with air supply plant 4, and the input of air supply plant 4 passes the He of interior tank body 2
Outer tank body 1.
Further, as shown in Figure 1 and Figure 2, outer tank body 1 is provided with the rectangular structure of circular open, interior tank body 2 for top
It is the cylindrical structure of uncovered, top cover 3 is circular configuration, and outer tank body 1, interior tank body 2 and top cover 3 use stainless steel.
Further, as shown in figure 4, air supply plant 4 is stainless steel pipeline, including bend pipe and through interior tank body 2, outer tank body
1 straight tube being connected with bend pipe, straight tube uses welding to ensure sealing with interior tank body 2, outer tank body 1, and bend pipe is same with interior tank body 2
Axle and the ring tube less than 360 °, the endcapped of bend pipe are uniformly provided with multiple stomatas on bend pipe, make the compost in interior tank body 2
It is fully contacted air fermentation.
Further, as shown in figure 1, being along the circumferential direction fixedly connected supporter on the madial wall of the bottom of interior tank body 2
(not shown), is placed with stainless steel framework 7 on supporter, between air supply plant 4 and stainless steel framework 7 is kept certain
Away from, it is to avoid the air-hole blockage of air supply plant 4.It is furnished with handle (not shown) on stainless steel framework 7, facilitates the staff will not
Rust steel framework 7 is taken out, and clears up compost fermentation residue.Stainless steel framework 7 is latticed cylindrical structure, and the external diameter of stainless steel framework 7 is small
In the internal diameter of interior tank body 2, the height of stainless steel framework 7 is the 2/3 of the height of interior tank body 2.
Further, as shown in Figure 3, Figure 5 and Figure 6, the top of top cover 3 is provided with rotating disk 17, rotating disk 17 and screwed pipe
16 are coaxially fastenedly connected, and the bottom of screwed pipe 16 is provided with raised a, and link slot 31, screwed pipe 16 are set at the top of top cover 3
The raised a of bottom is stuck in link slot 31.Arched girder 8 is connected through a screw thread on screwed pipe 16, is set in the bottom surface of arched girder 8
Groove, sets the raised b with groove fit on screwed pipe 16, so sets, and can make top cover 3 and arched girder 8, screwed pipe 16
It is flexibly connected as one is overall with rotating disk 17, sealing and the opening of top cover 3 can be facilitated.Diagonally gone up at the top of outer tank body 1
A pair of attackers 9 are set, top cover 3 is covered in outer tank body 1, rotating arched girder 8 makes the two-end part of arched girder 8 in attacker's 9
Lower section, is rotated further by rotating disk 17 and drives screwed pipe 16 to move downward and hold out against top cover 3, while driving the axle of the threadingly pipe 16 of arched girder 8
Motion makes it lock cooperation with attacker 9 to line upwards, it is ensured that the seal of top cover 3 and outer tank body 1.
Further, rubber blanket is provided between top cover 3 and interior tank body 2, can effectively prevents fermentation gas in interior tank body 2
Leakage.
Further, embedded attacker's (not shown) is set on three lateral walls of outer tank body 1, outer tank body 1
Bottom corner set roller, be easy to compost product cleaning and fermentation tank inside cleaning, meanwhile, facilitate fermentation tank transport turn
Move.
Further, as shown in figure 3, gas production pipe 5 and gas exhaust piping 6 use welding to ensure fermentation tank with top cover 3
Sealing, it is real to switch switch gas production pipe 5 and gas exhaust piping 6 that control valve is respectively provided with gas production pipe 5 and gas exhaust piping 6
The collection and the discharge of air of fermentation gas in existing fermentation tank, it is ensured that air pressure is in safe range in fermentation tank.To meet gas production
Pipeline 5 is connected with instrument and equipment real-time stabilization, and emptying pipeline 6 has certain discharge capacity and speed, does not occur because bulky grain is miscellaneous
Matter blocking pipeline phenomenon, a diameter of 1-2 ㎝ of gas production pipe 5, a diameter of 5-8 ㎝ of emptying pipeline 6.
Further, as shown in Fig. 2 the top of top cover 3 is provided with pressure-control valve 10, it is ensured that pressure inside the tank is in safe range
It is interior, it is to avoid the excessive safety of fermentation pressure inside the tank is hidden when valve occur blocking or forget to open in gas production pipe 5 and emptying pipeline 6
Suffer from.
Further, as shown in Fig. 2 setting temperature measuring apparatus, pressure measuring unit and time showing in outer tank body 1
Logger, realizes the monitor in real time to temperature and pressure in fermentation tank, conveniently records whole fermentation time, while recording collection gas
At the time point of body, realize the multi collect of gas, it is ensured that the representativeness of collection gas.
Further, as shown in fig. 7, setting gas-filtering device 11 in outer tank body 1, gas-filtering device 11 includes solid
Due to the stainless steel stent (not shown) in outer tank body 1, stainless steel stent top is higher than the top surface of outer tank body 1, stainless steel branch
Condenser pipe 112 is fixed on frame, one end of condenser pipe 112 is connected filter membrane, filter membrane connection collection with rubber stopper by emulsion tube
Equipment (not shown), the first port of the other end connection fore-telling type glass three-way 113 of condenser pipe 112, fore-telling type glass three-way 113
Second port connection glass bend pipe 115, the 3rd port connection ground receiving flask 114 of fore-telling type glass three-way 113, ground is collected
114 handgrip by being connected with stainless steel stent of bottle is fixed, and glass bend pipe 115 connects gas production pipe 5 or emptying by rubber stopper
Pipeline 6, is capable of achieving the recycling to the contaminant filter and vapor of fermentation gas.
Use process of the invention is as follows：As shown in Figure 1, Figure 3, whole fermentation tank is in sealing state, air supply plant 4
Input connects air pump in fermentation tank body exterior by valve, and air is blasted by air pump, air in the bottom of interior tank body 2 progressively
Rise, be fully contacted with compost, the fermentation gas that compost fermentation is produced are gathered by gas production pipe 5, timely by emptying pipeline 6
By the air discharge in fermentation tank, it is ensured that air pressure is in safe range in tank.
The present invention is only illustrated with above-described embodiment, and the structure of each part, set location and its connection all can be have
Changed.On the basis of technical solution of the present invention, all improvement carried out to individual part according to the principle of the invention or equivalent
Conversion, should not exclude outside protection scope of the present invention.
Claims (9)
1. a kind of compost fermentation tank, it is characterised in that：It includes outer tank body and is built in the interior tank body of the outer tank body；It is described outer
Insulation material is filled between tank body and interior tank body；Outer tank body top connection top cover, connected on the top cover gas production pipe and
Emptying pipeline；The bottom of the interior tank body is placed with air supply plant, the input of the air supply plant pass the interior tank body and
Outer tank body.
2. a kind of compost fermentation tank as claimed in claim 1, it is characterised in that：The outer tank body is provided with circular open for top
Rectangular structure, the interior tank body for uncovered cylindrical structure, the top cover be circular configuration, the outer tank body, inner canister
Body and top cover use stainless steel.
3. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：The air supply plant is stainless steel pipeline,
The straight tube being connected with the bend pipe including bend pipe and through the interior tank body, outer tank body, the straight tube and the interior tank body and outer
Using being tightly connected, the bend pipe is ring tube coaxial with the interior tank body and less than 360 °, the end of the bend pipe to tank body
Closing, is uniformly provided with multiple stomatas on the bend pipe.
4. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：Near the inner side of the interior tank base
Supporter is along the circumferential direction fixedly connected on wall, stainless steel framework is placed with the supporter, matched somebody with somebody on the stainless steel framework
There is handle, the stainless steel framework is latticed cylindrical structure, and the external diameter of the stainless steel framework is less than the internal diameter of the interior tank body,
The height of the stainless steel framework is the 2/3 of the interior tank body height.
5. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：It is provided with the top of the top cover and is turned
Disk, the rotating disk is coaxially fastenedly connected with screwed pipe, the bottom of the screwed pipe is provided with the first projection, at the top of top cover
Link slot is set, and first projection of the screwed pipe bottom is stuck in the link slot, spiral shell is passed through on the screwed pipe
Line connects arched girder, and groove is set in the bottom surface of the arched girder, sets convex with the second of groove fit on the screwed pipe
Rise；The outer tank body top is diagonally upper to set a pair of attackers；Rubber blanket is provided between the top cover and the interior tank body.
6. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：Set on the lateral wall of the outer tank body
Embedded attacker is put, the bottom corner of the outer tank body sets roller.
7. a kind of compost fermentation tank as claimed in claim 1, it is characterised in that：The gas production pipe and gas exhaust piping with it is described
Top cover using being tightly connected, is respectively provided with control valve, a diameter of 1-2 of gas production pipe on the gas production pipe and gas exhaust piping
㎝, a diameter of 5-8 ㎝ of emptying pipeline.
8. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：Temperature is set in the outer tank body to survey
Determine device, pressure measuring unit and time showing logger, pressure-control valve is provided with the top of the top cover.
9. a kind of compost fermentation tank as claimed in claim 1 or 2, it is characterised in that：Gas mistake is set in the outer tank body
Filter device, the gas-filtering device includes the stainless steel stent being fixed in the outer tank body, the stainless steel stent top
Higher than the outer tank body top surface, condenser pipe is fixed on the stainless steel stent, one end of the condenser pipe passes through emulsion tube and rubber
Plug connects filter membrane, and filter membrane connection collecting device, the other end of the condenser pipe connects the first end of fore-telling type glass three-way
Mouthful, the second port connection glass bend pipe of the fore-telling type glass three-way, the 3rd port connection ground of the fore-telling type glass three-way is received
Collection bottle, the ground receiving flask is fixed by the handgrip being connected with the stainless steel stent, and the glass bend pipe passes through rubber stopper
Connect the gas production pipe or emptying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710137280.4A CN106747752A (en) | 2017-03-09 | 2017-03-09 | A kind of compost fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710137280.4A CN106747752A (en) | 2017-03-09 | 2017-03-09 | A kind of compost fermentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106747752A true CN106747752A (en) | 2017-05-31 |
Family
ID=58961862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710137280.4A Pending CN106747752A (en) | 2017-03-09 | 2017-03-09 | A kind of compost fermentation tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN106747752A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108041491A (en) * | 2018-01-05 | 2018-05-18 | 安徽省农业科学院农产品加工研究所 | A kind of smelly mandarin fish fermentation tank and equipment |
| CN108151915A (en) * | 2018-03-22 | 2018-06-12 | 郑州轻工业学院 | A kind of wireless organic castoff compost Intelligent temperature detection device and system |
| CN109355183A (en) * | 2018-12-25 | 2019-02-19 | 洪作良 | Microbiological fermented feed fermentor |
| CN113093840A (en) * | 2021-03-12 | 2021-07-09 | 浙江盘毂动力科技有限公司 | Industrial automation environmental control system |
| CN113135781A (en) * | 2021-04-29 | 2021-07-20 | 哈尔滨工业大学 | Efficient composting and nitrogen-preserving method for mixed fermentation of straw, kitchen waste and excrement and compost processor |
| CN115028492A (en) * | 2022-06-07 | 2022-09-09 | 武汉市农业科学院 | Aerobic composting methane emission reduction test device and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108041491A (en) * | 2018-01-05 | 2018-05-18 | 安徽省农业科学院农产品加工研究所 | A kind of smelly mandarin fish fermentation tank and equipment |
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| CN108151915A (en) * | 2018-03-22 | 2018-06-12 | 郑州轻工业学院 | A kind of wireless organic castoff compost Intelligent temperature detection device and system |
| CN109355183A (en) * | 2018-12-25 | 2019-02-19 | 洪作良 | Microbiological fermented feed fermentor |
| CN113093840A (en) * | 2021-03-12 | 2021-07-09 | 浙江盘毂动力科技有限公司 | Industrial automation environmental control system |
| CN113135781A (en) * | 2021-04-29 | 2021-07-20 | 哈尔滨工业大学 | Efficient composting and nitrogen-preserving method for mixed fermentation of straw, kitchen waste and excrement and compost processor |
| CN115028492A (en) * | 2022-06-07 | 2022-09-09 | 武汉市农业科学院 | Aerobic composting methane emission reduction test device and use method thereof |
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Application publication date: 20170531 |
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