CN220418202U - Waste heat recycling device of roller reactor - Google Patents
Waste heat recycling device of roller reactor Download PDFInfo
- Publication number
- CN220418202U CN220418202U CN202322173423.0U CN202322173423U CN220418202U CN 220418202 U CN220418202 U CN 220418202U CN 202322173423 U CN202322173423 U CN 202322173423U CN 220418202 U CN220418202 U CN 220418202U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- communicated
- branch
- electromagnetic
- recycling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 74
- 238000004064 recycling Methods 0.000 title claims abstract description 71
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 20
- 239000002361 compost Substances 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010564 aerobic fermentation Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000009264 composting Methods 0.000 description 3
- 239000002154 agricultural waste Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The utility model relates to the technical field of roller reactors, and provides a roller reactor waste heat recycling device, which comprises: the roller reactor is provided with a reaction cavity, and a first air port and a second air port are formed in the roller reactor; the waste heat recycling part comprises a waste heat recycling pipeline, an electromagnetic three-way valve and a fan; the device for recycling the waste heat of the roller reactor is provided with a waste heat recycling state and a ventilation state, wherein the first end, the second end and the third end of the electromagnetic three-way valve are all communicated in the waste heat recycling state, and the second end and the third end of the electromagnetic three-way valve are communicated in the ventilation state. The utility model provides a device for recycling waste heat of a roller reactor, which aims to solve the problems that the heat exchange efficiency of the roller reactor is lower when the ambient temperature is lower and the consumption of electric heating energy is larger in the traditional technology.
Description
Technical Field
The utility model relates to the technical field of roller reactors, in particular to a waste heat recycling device of a roller reactor.
Background
The roller aerobic fermentation reactor is a facility with wide application prospect and great significance, can effectively treat livestock and poultry manure and agricultural waste, improves the resource utilization efficiency, reduces environmental pollution and promotes agricultural sustainable development. In future research and practice, the roller aerobic fermentation reactor is further improved and optimized, so that the treatment efficiency and the resource utilization benefit of the roller aerobic fermentation reactor can be improved, and the roller aerobic fermentation reactor makes a greater contribution to promoting the resource utilization and the circular economy development of agricultural wastes.
The environmental temperature in winter is lower, the compost material is excessively high in demand for the environmental temperature, and the compost material is generally heated for the second time by adopting an electric heating technology in the prior art, so that energy loss can be caused over time, and the energy conservation and emission reduction are further not facilitated.
Disclosure of Invention
The utility model provides a device for recycling waste heat of a roller reactor, and aims to solve the problems that in the prior art, when the ambient temperature of the roller reactor is low, the heat exchange efficiency is low, and the consumption of electric heating energy is high.
In order to solve the above problems, the present utility model provides a device for recycling waste heat of a roller reactor, comprising:
the roller reactor is provided with a reaction cavity, and a first air port and a second air port which are communicated with the reaction cavity are formed in the roller reactor; the method comprises the steps of,
the waste heat recycling part comprises a waste heat recycling pipeline communicated with the first air port, an electromagnetic three-way valve and a fan, wherein the electromagnetic three-way valve is arranged on the waste heat recycling pipeline, the first end of the electromagnetic three-way valve is communicated with the first air port, the second end of the electromagnetic three-way valve is communicated with the fan, the fan is communicated with the second air port, and the third end of the electromagnetic three-way valve is communicated with the atmosphere;
the cylinder reactor waste heat recycling device is provided with a waste heat recycling state and a ventilation state, wherein the first end, the second end and the third end of the electromagnetic three-way valve are all communicated in the waste heat recycling state, and the second end and the third end of the electromagnetic three-way valve are communicated in the ventilation state.
According to the waste heat recycling device of the roller reactor, the reaction cavity is provided with the feeding end and the reaction end which are sequentially arranged, the first air port is arranged at the reaction end, and the second air port is arranged at the feeding end.
According to the waste heat recycling device of the roller reactor, which is provided by the utility model, the waste heat recycling pipeline comprises a first branch, a second branch and a third branch, one end of the first branch is communicated with the first air port, the other end of the first branch is communicated with the first end of the electromagnetic three-way valve, one end of the second branch is communicated with the second end of the electromagnetic three-way valve, the other end of the second branch is communicated with the second air port, the fan is arranged on the second branch, one end of the third branch is communicated with the third end of the electromagnetic three-way valve, and the other end of the third branch is communicated with the atmosphere.
According to the waste heat recycling device of the roller reactor, which is provided by the utility model, the second branch is also provided with an oxygen sensor; or an oxygen sensor is arranged in the reaction cavity.
According to the waste heat recycling device of the roller reactor, the flow valve is arranged on the third branch and is used for correspondingly adjusting the air inlet flow according to the oxygen value of the oxygen sensor.
According to the waste heat recycling device of the roller reactor, provided by the utility model, the first branch and the third branch are respectively provided with the flowmeter.
According to the waste heat recycling device of the roller reactor, provided by the utility model, one end of the first branch close to the first air port is also provided with a filter.
According to the waste heat recycling device of the roller reactor, the filter comprises the gas collecting tube and the filter screen arranged in the gas collecting tube, one end of the gas collecting tube is communicated with the first gas port, and the other end of the gas collecting tube is communicated with the first branch.
According to the waste heat recycling device of the roller reactor, provided by the utility model, the threaded sleeve is arranged at the first air port, and the gas collecting tube is in threaded connection with the threaded sleeve.
According to the device for recycling the waste heat of the roller reactor, which is provided by the utility model, the device for recycling the waste heat of the roller reactor further comprises a controller and a temperature sensor, wherein the temperature sensor is arranged in the reaction cavity, and the controller is electrically connected with the temperature sensor and the electromagnetic three-way valve.
The waste heat recycling device of the roller reactor provided by the utility model has a waste heat recycling state and an air ventilation state, and in the waste heat recycling state, high-temperature tail gas discharged from the reaction cavity is input into the reaction cavity again to heat materials, so that primary heat exchange is realized, and nutrients such as nitrogen in the gas and the like are reserved while high-efficiency heat exchange is realized; in addition, the temperature rising rate is greatly improved, the temperature rising stage is finished in advance, and the rapid removal of moisture and the rapid decomposition of the compost materials are promoted; finally, the waste heat recycling device of the roller reactor can recycle the waste heat of the high-temperature tail gas, change a heating method of a conventional heating wire, save electric power, reduce cost and achieve the purposes of energy conservation and emission reduction.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for recycling waste heat of a roller reactor;
FIG. 2 is a schematic diagram of the waste heat recovery section of FIG. 1;
fig. 3 is a schematic view of the structure of the filter of fig. 2.
Reference numerals:
100: a waste heat recycling device of the roller reactor; 110: a roller reactor; 111: a reaction chamber; 112: a first gas port; 113: a second gas port; 114: a feed end; 115: a reaction end; 120: a waste heat recycling part; 121: a waste heat recycling pipeline; 122: an electromagnetic three-way valve; 123: a blower; 124: an oxygen sensor; 125: a flow valve; 126: a flow meter; 127: a filter; 128: a gas collecting tube; 129: and (5) a filter screen.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The drum reactor waste heat recycling apparatus 100 of the present utility model is described below with reference to fig. 1 to 3.
The environmental temperature in winter is lower, the compost material is excessively high in demand for the environmental temperature, and the compost material is generally heated for the second time by adopting an electric heating technology in the prior art, so that energy loss can be caused over time, and the energy conservation and emission reduction are further not facilitated. In addition, the technology for recycling waste heat of composting tail gas mostly adopts a secondary heat exchange technology, so that heat is lost to a certain extent, and moreover, the heat in the tail gas is limited, and the heat exchange efficiency is low due to the use of large-scale heat exchange equipment. Based on this, the device 100 for recycling waste heat of a roller reactor provided by the utility model comprises the roller reactor 110 and the waste heat recycling part 120, and directly exchanges heat between heat in the composting tail gas and materials, so that the requirement of the materials on the environmental temperature can be effectively met, and the heat exchange efficiency of the composting tail gas is improved.
Specifically, referring to fig. 1 and 2, a roller reactor 110 has a reaction cavity 111, a first air port 112 and a second air port 113 which are communicated with the reaction cavity 111 are provided on the roller reactor 110, and compost for fermentation is filled in the reaction cavity 111; the waste heat recycling part 120 comprises a waste heat recycling pipeline 121 communicated with the first air port 112, an electromagnetic three-way valve 122 and a fan 123, wherein the electromagnetic three-way valve 122 and the fan 123 are arranged on the waste heat recycling pipeline 121, a first end of the electromagnetic three-way valve 122 is communicated with the first air port 112, a second end of the electromagnetic three-way valve 122 is communicated with the fan 123, the fan 123 is communicated with the second air port 113, and a third end of the electromagnetic three-way valve 122 is communicated with the atmosphere;
the device 100 for recycling waste heat of the drum reactor has a waste heat recycling state and an air ventilation state, and when the waste heat recycling state is achieved, the first end, the second end and the third end of the electromagnetic three-way valve 122 are opened, and at this time, high-temperature tail gas and air in the reaction cavity 111 are all introduced into the waste heat recycling pipeline 121, and under the action of the fan 123, the high-temperature tail gas and the air can be pumped into the reaction cavity 111 together, so that the environmental temperature of the reactor body is improved. It should be noted that, the temperature in the pile is not balanced, the temperature of the new material section is generally lower, and the temperature of the fermented material section is higher, so that the environmental temperature in the compost can be uniformly improved by pumping the high-temperature tail gas into the reaction cavity 111. In the aeration state, the second end of the electromagnetic three-way valve 122 is communicated with the third end, and at this time, air can be introduced into the reaction cavity 111 through the fan 123 to provide oxygen for the reactor body to promote normal fermentation.
The waste heat recycling device 100 of the roller reactor provided by the utility model has a waste heat recycling state and an air ventilation state, and in the waste heat recycling state, high-temperature tail gas discharged from the reaction cavity 111 is input into the reaction cavity 111 again to heat materials, so that primary heat exchange is realized, and nutrient substances such as nitrogen in gas and the like are reserved while high-efficiency heat exchange is realized; in addition, the temperature rising rate is greatly improved, the temperature rising stage is finished in advance, and the rapid removal of moisture and the rapid decomposition of the compost materials are promoted; finally, the device 100 for recycling the waste heat of the roller reactor can recycle the waste heat of the high-temperature tail gas, change the conventional heating method using the heating wire, save electric power, reduce cost and achieve the purposes of energy conservation and emission reduction.
As described above, in the technical solution provided in the present utility model, the reaction chamber 111 has the feeding end 114 and the reaction end 115 sequentially arranged, the feeding end 114 gathers the fresh material with lower temperature, the reaction end 115 gathers the fermented material with higher temperature, the first air port 112 is arranged at the reaction end 115, the second air port 113 is arranged at the feeding end 114, so that the high temperature tail gas discharged from the first air port 112 can be pumped into the fresh material, the temperature of the fresh material is increased, and the fermentation of the fresh material is promoted.
Specifically, the waste heat recycling pipeline 121 includes a first branch, a second branch and a third branch, one end of the first branch is communicated with the first air port 112, the other end is communicated with the first end of the electromagnetic three-way valve 122, one end of the second branch is communicated with the second end of the electromagnetic three-way valve 122, the other end is communicated with the second air port 113, the fan 123 is arranged on the second branch, one end of the third branch is communicated with the third end of the electromagnetic three-way valve 122, and the other end is communicated with the atmosphere.
The third branch is provided with a flow valve 125, which can adjust the flow rate of air, and correspondingly, an oxygen sensor 124 may be disposed on the second branch or in the reaction chamber 111, and the oxygen concentration detected by the oxygen sensor 124 adjusts the flow valve 125 to control the flow rate of oxygen in the stack, so that the flow rate of air can be increased when the oxygen concentration is small, and the flow rate of air can be reduced when the oxygen concentration is large. Further, the first branch and the third branch are respectively provided with a flowmeter 126 for observing the gas flow at any time.
In order to prevent the pipeline from being blocked by the material impurities, in the technical scheme provided by the utility model, one end of the first branch close to the first air port 112 is also provided with a filter 127, and the filter 127 is used for filtering out the compost impurities. Specifically, referring to fig. 3, the filter 127 includes a gas collecting tube 128 and a filter screen 129 disposed in the gas collecting tube 128, wherein one end of the gas collecting tube 128 is communicated with the first gas port 112, and the other end is communicated with the first branch. In order to facilitate the disassembly of the gas collecting tube 128, the first gas port 112 is provided with a threaded sleeve, the gas collecting tube 128 is in threaded connection with the threaded sleeve, and the gas collecting tube 128 can also be in threaded connection with the first branch tube, which is not limited in the utility model.
Further, the apparatus 100 for recycling waste heat of a roller reactor further comprises a controller and a temperature sensor, the temperature sensor is disposed in the reaction cavity 111, and the controller is electrically connected with the temperature sensor and the electromagnetic three-way valve 122. The controller is used for controlling the opening and closing of the electromagnetic valve according to the temperature sensed by the temperature sensor, and the temperature sensor is arranged at the reaction end 115. In an alternative embodiment, when the temperature sensor senses that the temperature is greater than 50 ℃ (the temperature condition is set), the electromagnetic three-way valve 122 is opened to be in three-way communication, and is in a waste heat recycling state at the moment; when the temperature is sensed to be higher than 40 ℃, the temperature is converted into a ventilation state, two paths in the electromagnetic three-way valve 122 are opened, only air is introduced, and oxygen is provided for the stack body to promote normal fermentation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A roller reactor waste heat recycling device, comprising:
the roller reactor is provided with a reaction cavity, and a first air port and a second air port which are communicated with the reaction cavity are formed in the roller reactor; the method comprises the steps of,
the waste heat recycling part comprises a waste heat recycling pipeline communicated with the first air port, an electromagnetic three-way valve and a fan, wherein the electromagnetic three-way valve is arranged on the waste heat recycling pipeline, the first end of the electromagnetic three-way valve is communicated with the first air port, the second end of the electromagnetic three-way valve is communicated with the fan, the fan is communicated with the second air port, and the third end of the electromagnetic three-way valve is communicated with the atmosphere;
the cylinder reactor waste heat recycling device is provided with a waste heat recycling state and a ventilation state, wherein the first end, the second end and the third end of the electromagnetic three-way valve are all communicated in the waste heat recycling state, and the second end and the third end of the electromagnetic three-way valve are communicated in the ventilation state.
2. The apparatus for recycling waste heat of a roller reactor according to claim 1, wherein the reaction chamber has a feed end and a reaction end which are sequentially arranged, the first air port is arranged at the reaction end, and the second air port is arranged at the feed end.
3. The apparatus according to claim 2, wherein the waste heat recycling line includes a first branch, a second branch, and a third branch, one end of the first branch is communicated with the first air port, the other end is communicated with the first end of the electromagnetic three-way valve, one end of the second branch is communicated with the second end of the electromagnetic three-way valve, the other end is communicated with the second air port, the fan is provided on the second branch, one end of the third branch is communicated with the third end of the electromagnetic three-way valve, and the other end is communicated with the atmosphere.
4. The apparatus for recycling waste heat of a roller reactor according to claim 3, wherein an oxygen sensor is further provided on the second branch; or an oxygen sensor is arranged in the reaction cavity.
5. The apparatus for recycling waste heat of a roller reactor according to claim 4, wherein a flow valve is provided on the third branch, and the flow valve is used for correspondingly adjusting the inflow rate according to the oxygen value of the oxygen sensor.
6. The apparatus for recycling waste heat of roller reactor according to claim 3, wherein the first branch and the third branch are respectively provided with a flowmeter.
7. The apparatus for recycling waste heat of roller reactor according to claim 3, wherein a filter is further provided at one end of the first branch close to the first air port.
8. The apparatus for recycling waste heat of a roller reactor according to claim 7, wherein the filter comprises a gas collecting tube and a filter screen arranged in the gas collecting tube, one end of the gas collecting tube is communicated with the first gas port, and the other end of the gas collecting tube is communicated with the first branch.
9. The apparatus for recycling waste heat of a roller reactor according to claim 8, wherein a threaded sleeve is arranged at the first air port, and the gas collecting tube is in threaded connection with the threaded sleeve.
10. The apparatus for recycling waste heat of a roller reactor according to claim 1, further comprising a controller and a temperature sensor, wherein the temperature sensor is disposed in the reaction chamber, and the controller is electrically connected with the temperature sensor and the electromagnetic three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173423.0U CN220418202U (en) | 2023-08-14 | 2023-08-14 | Waste heat recycling device of roller reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173423.0U CN220418202U (en) | 2023-08-14 | 2023-08-14 | Waste heat recycling device of roller reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220418202U true CN220418202U (en) | 2024-01-30 |
Family
ID=89655525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322173423.0U Active CN220418202U (en) | 2023-08-14 | 2023-08-14 | Waste heat recycling device of roller reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220418202U (en) |
-
2023
- 2023-08-14 CN CN202322173423.0U patent/CN220418202U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101560466B (en) | Integrated methane dry fermentation device | |
| CN105861306B (en) | Solid-liquid two benches anaerobic ferment devices and method | |
| CN207987061U (en) | A kind of organic fertilizer fermenting apparatus | |
| CN109293407A (en) | A kind of rubbish from cooking fast composting device and method | |
| CN109678574A (en) | The fermentation of stalk waste takes thermal and application method | |
| CN205907262U (en) | Anaerobism fermenting installation is united to good oxygen integral type | |
| CN102660454B (en) | Anaerobic dry fermentation equipment and anaerobic dry fermentation process using same | |
| CN102060585A (en) | Method for aerobic quick composting of urban domestic sludge as well as device and using method thereof | |
| CN114315447A (en) | Controllable quick fermenting installation of humiture | |
| CN220418202U (en) | Waste heat recycling device of roller reactor | |
| CN103263066A (en) | Fermentation tank device for three-dimensional solid state fermentation of soybean meals | |
| CN209652190U (en) | The fermentation of stalk waste takes thermal | |
| CN209722134U (en) | A kind of thermal coupling system of stalk aerobic stack retting and anaerobic dry fermentation | |
| CN205233410U (en) | Fodder fermentation cylinder | |
| CN108651285A (en) | Realize the intelligent pig raising field of cogeneration on the spot using pig manure | |
| CN208883732U (en) | A kind of aerator with temperature linkage | |
| CN209307243U (en) | Horizontal spiral stirs solar energy aerobic composting device | |
| CN203782047U (en) | Secondary fermentation tunnel of edible fungi compost | |
| CN217921868U (en) | Composting device for organic garbage | |
| CN109337810A (en) | A kind of solid aerobic fermentation system and method for automatic control | |
| CN201520728U (en) | Air supply device of fermentation room | |
| CN104663245A (en) | Top air injection type fermentation tunnel | |
| CN104446731A (en) | Energy-saving fermentation device utilizing perforated floor for ventilation | |
| CN217202748U (en) | Small-size base material fermentation tunnel | |
| CN207958171U (en) | Vertical organic solid waste fermentation process equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |