CN214361391U - Ensiling fermentation cylinder with adjustable temperature and humidity - Google Patents

Ensiling fermentation cylinder with adjustable temperature and humidity Download PDF

Info

Publication number
CN214361391U
CN214361391U CN202120060277.9U CN202120060277U CN214361391U CN 214361391 U CN214361391 U CN 214361391U CN 202120060277 U CN202120060277 U CN 202120060277U CN 214361391 U CN214361391 U CN 214361391U
Authority
CN
China
Prior art keywords
temperature
humidity
heat preservation
wall
jar body
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.)
Expired - Fee Related
Application number
CN202120060277.9U
Other languages
Chinese (zh)
Inventor
赵素梅
郭飞
杨明华
赵彦光
李爱军
孙海潮
关轩承
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan Agricultural University
Original Assignee
Yunnan Agricultural University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yunnan Agricultural University filed Critical Yunnan Agricultural University
Priority to CN202120060277.9U priority Critical patent/CN214361391U/en
Application granted granted Critical
Publication of CN214361391U publication Critical patent/CN214361391U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The utility model provides an ensiling fermentation cylinder with adjustable temperature and humidity, which comprises a tank body, the inboard of the jar body is equipped with temperature and humidity control mechanism, jar body outside-in comprises heat preservation shell body and heat preservation interior casing in proper order, just temperature and humidity control mechanism includes condenser coil and hot plate, condenser coil's business turn over water end runs through the heat preservation shell body and extends to its outside and passes through the pipeline and link to each other with cooling tower and circulating water pump respectively, circulating water pump's play water end passes through the pipeline and links to each other with cooling tower, just be connected with temperature and humidity sensor through fixed subassembly on the inner wall of the heat preservation interior casing, the inlet tube is installed to the rear end of the jar body, install the solenoid valve on the one end outer wall of inlet tube, just the controller is installed to one side of the jar body. The utility model discloses an automatically regulated of humiture in the fermentation cylinder is favorable to the growth of beneficial microorganism such as lactic acid bacteria, and convenient to use, has reduced the human cost.

Description

Ensiling fermentation cylinder with adjustable temperature and humidity
Technical Field
The utility model mainly relates to the technical field of ensiling fermentation equipment, in particular to an ensiling fermentation tank with adjustable temperature and humidity.
Background
Among the prior art, temperature and humidity in the in-process of ensiling fermentation need be controlled and useful microorganism such as lactic acid bacteria can normal growth in the fermentation cylinder, and current ensiling fermentation cylinder does not mostly have the structure that can automatically regulated jar internal temperature and humidity, consequently needs the humiture in the manual control fermentation cylinder, but the human cost is high, and the manual control error is big, is unfavorable for the fermentation of ensiling.
According to patent document application No. 201520106395.3, a silage fermentation cylinder is provided, including installing the jar body on the tripod, still collect the box including sealed lid, sealing washer, sealed cloth, fastening rubber rope, honeycomb duct, negative pressure, the jar body is equipped with the inner chamber, inner chamber entry and jar body entry seamless connection, inner chamber export and jar body export seamless connection, jar body entry cover has the sealing washer, and sealed lid is installed on jar body entry, honeycomb duct one end is connected with jar valve end mouth down of body export, and the box is collected with the negative pressure to the other end and is connected, though this silage fermentation cylinder has solved the unsuitable experimental study of current silage equipment, and the problem of sampling difficulty, with high costs does not have the structure that can automatically regulated jar interior temperature and humidity, is unfavorable for the growth of beneficial microorganism such as lactic acid bacteria.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a silage fermentation tank with adjustable temperature and humidity for solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a temperature and humidity adjustable silage fermentation tank comprises a tank body, wherein a temperature and humidity adjusting mechanism is arranged on the inner side of the tank body, the tank body is sequentially composed of a heat preservation outer shell and a heat preservation inner shell from outside to inside, the temperature and humidity adjusting mechanism comprises a condensing coil and a heating plate, the heating plate is fixed to the top of a bottom plate of the heat preservation outer shell, the condensing coil is wound on the outer periphery of the heat preservation inner shell and is fixedly connected with the heat preservation inner shell, a water inlet end and a water outlet end of the condensing coil penetrate through the heat preservation outer shell and extend to the outer side of the heat preservation outer shell to be respectively connected with a cooling water tower and a circulating water pump through pipelines, a water outlet end of the circulating water pump is connected with the cooling water tower through a pipeline, and the inner wall of the heat preservation inner shell is connected with a temperature and humidity sensor through a fixing assembly;
the inlet tube is installed to the rear end of the jar body, fixed mounting has the solenoid valve on the one end outer wall that the jar body was kept away from to the inlet tube, just the controller is installed to one side of the jar body, the controller pass through the wire respectively with hot plate, circulating water pump and solenoid valve electric connection, controller and temperature and humidity sensor wireless connection.
Preferably, the fixed subassembly includes the mounting bracket, be connected with the screw cap through rotating on the curb plate of mounting bracket, be connected with the threaded rod through the thread engagement on the inner wall of screw cap, stopper and clamp plate are installed respectively to the both ends of threaded rod, one side that the threaded rod was kept away from to the clamp plate is equipped with soft pad, just temperature and humidity sensor cooperatees with the mounting bracket.
Preferably, the outer wall of one end, far away from the mounting frame, of the threaded cap is fixedly provided with an anti-skidding rotary disc.
Preferably, the threaded through holes are symmetrically arranged on one side, opposite to the threaded cap, of the mounting frame, each sleeve is arranged on the inner side of each threaded through hole, and each compression spring is arranged on the inner side of each sleeve.
Preferably, a first soft magnetic strip is arranged on a rear sealing plate of the mounting frame, a second soft magnetic strip is arranged on one side, close to the mounting frame, of the temperature and humidity sensor, and the second soft magnetic strip and the first soft magnetic strip are attracted to each other.
Preferably, the outer sides of the mounting frames are symmetrically provided with fixing lug plates side by side.
Preferably, a display screen is installed on a front panel of the controller and electrically connected with the controller through a wire.
Preferably, an annular connecting plate is fixedly mounted on the outer wall of the bottom end of the heat-insulation inner shell, and the outer wall of the annular connecting plate is fixedly connected with the inner wall of the heat-insulation outer shell.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model realizes the automatic regulation of the temperature and the humidity in the fermentation tank through the condensing coil, the heating plate, the water inlet pipe, the electromagnetic valve, the temperature and humidity sensor, the circulating water pump and the controller, is favorable for the growth of beneficial microorganisms such as lactobacillus, is convenient to use, and reduces the labor cost; through mounting bracket, screw thread through-hole, first soft magnetic strip, second soft magnetic strip, rotation piece, screw cap, threaded rod, clamp plate, sleeve and compression spring, realized temperature and humidity sensor's the dismouting of being convenient for, make things convenient for the later stage maintenance, and mounting structure's stability is high.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the tank of the present invention;
fig. 3 is a schematic structural view of the fixing assembly and the temperature and humidity sensor of the present invention;
FIG. 4 is a sectional view of the fixing assembly of the present invention;
fig. 5 is a side view of the mounting bracket and the temperature and humidity sensor structure of the present invention.
In the figure: 1. a tank body; 11. a heat-insulating outer shell; 12. a heat-insulating inner shell; 13. an annular connecting plate; 14. a controller; 141. a display screen; 2. a temperature and humidity adjusting mechanism; 21. a condenser coil; 22. heating plates; 23. a water inlet pipe; 231. an electromagnetic valve; 24. a temperature and humidity sensor; 241. a second soft magnetic strip; 25. a water circulating pump; 3. a fixing assembly; 31. a mounting frame; 311. a threaded through hole; 312. a first soft magnetic strip; 313. fixing the ear plate; 32. a rotating member; 33. a threaded cap; 331. an anti-slip turntable; 34. a threaded rod; 35. a limiting block; 36. pressing a plate; 361. a soft pad; 37. a sleeve; 38. compressing the spring.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, please refer to fig. 1, 2 and 3, a temperature and humidity adjustable ensiling fermentation tank comprises a tank body 1, a temperature and humidity adjusting mechanism 2 is arranged on the inner side of the tank body 1, the tank body 1 is sequentially composed of a heat preservation outer shell 11 and a heat preservation inner shell 12 from outside to inside, the temperature and humidity adjusting mechanism 2 comprises a condensing coil 21 and a heating plate 22, the heating plate 22 is fixed on the top of the bottom plate of the heat preservation outer shell 11, the condensing coil 21 is wound on the outer periphery of the heat preservation inner shell 12 and is fixedly connected with the heat preservation inner shell 12, the water inlet and outlet end of the condensing coil 21 penetrates through the heat preservation outer shell 11 and extends to the outer side of the heat preservation outer shell to be respectively connected with a cooling water tower and a circulating water pump 25 through a pipeline, the water outlet end of the circulating water pump 25 is connected with the cooling water tower through a pipeline, the cooling water tower adopts the conventional technology, which is not marked in fig. 1-5, and does not limit the cooling mode of the cooling water tower, according to actual conditions, the cooling water tower can also be replaced by a cooling water tank, the inner wall of the heat-preservation inner shell 12 is connected with a temperature and humidity sensor 24 through a fixing component 3, the temperature and humidity sensor 24 is in a THW1581L _ CN802 type, a wireless transmission module is provided, temperature and humidity detection can be achieved, a PLC (programmable logic controller) can be transmitted to a measured value, a water inlet pipe 23 is installed at the rear end of the tank body 1, a water inlet of the water inlet pipe 23 is connected with a water pipeline of a farm through a pipeline, an electromagnetic valve 231 is fixedly installed on the outer wall of one end, far away from the tank body 1, of the water inlet pipe 23, a controller 14 is installed on one side of the tank body 1, the controller 14 can be a PLC controller, the wireless transmission module is configured on the PLC controller, real-time monitoring and control of the temperature and humidity in the tank body 1 are facilitated, however, the specific type of the PLC controller is not limited, and the controller 14 is respectively connected with the heating plate 22, The circulating water pump 25 is electrically connected with the electromagnetic valve 231, the controller 14 is wirelessly connected with the temperature and humidity sensor 24, the heating plate 22, the circulating water pump 25, the electromagnetic valve 231 and the temperature and humidity sensor 24 are controlled to work through corresponding programs by the controller 14, the temperature and humidity in the tank are measured in real time by the temperature and humidity sensor 24 and are transmitted to the controller 14 in the ensiling fermentation process, whether the measured temperature and humidity are in a range suitable for growth of beneficial microorganisms such as lactic acid bacteria and the like is judged by the controller 14, when the temperature is lower than the suitable temperature range, the heating plate 22 is controlled to work by the controller 14, the heat generated by the work of the heating plate 22 is used for heating, otherwise, the circulating water pump 25 is controlled by the controller 14 to work to send cooling water into the condensing coil 21, the cooling water circularly flowing in the condensing coil 21 is used for cooling, and when the humidity in the tank is lower, open through controller 14 control solenoid valve 231, utilize inlet tube 23 to add water in the jar and improve humidity to realized the automatically regulated of humiture in the fermentation cylinder, be favorable to the growth of beneficial microorganisms such as lactic acid bacteria, and convenient to use, reduced the human cost, install display screen 141 on controller 14's the front panel, display screen 141 passes through wire and 14 electric connection of controller, shows the humiture value in the jar through display screen 141, and the people of being convenient for observe the humiture value in the jar, fixed mounting has annular connecting plate 13 on the outer wall of 12 bottoms in the heat preservation shell, the outer wall of annular connecting plate 13 and the inner wall fixed connection of heat preservation shell body 11 improve the stability that interior shell 12 and the heat preservation shell body 11 are connected in the heat preservation through annular connecting plate 13.
In an embodiment, referring to fig. 3, 4 and 5, the fixing assembly 3 includes a mounting frame 31, a side plate of the mounting frame 31 is connected with a screw cap 33 through a rotating member 32, the rotating member 32 can adopt a bearing, a threaded rod 34 is connected on an inner wall of the screw cap 33 through threaded engagement, two ends of the threaded rod 34 are respectively provided with a limiting block 35 and a pressing plate 36, the threaded rod 34 is limited through the limiting block 35, one side of the pressing plate 36 far away from the threaded rod 34 is provided with a soft pad 361, the soft pad 361 can be made of rubber or silica gel and the like, the possibility of damage of the pressing plate 36 to the temperature and humidity sensor 24 can be reduced through the soft pad 361, the temperature and humidity sensor 24 is matched with the mounting frame 31, an anti-slip turntable 331 is fixedly mounted on an outer wall of one end of the screw cap 33 far away from the mounting frame 31, the screw cap 33 can be rotated more conveniently by using the anti-slip turntable 331, the opposite side of the threaded cap 33 on the mounting frame 31 is symmetrically provided with threaded through holes 311, the inner side of each threaded through hole 311 is provided with a sleeve 37, the outer wall of each sleeve 37 is provided with an external thread, the sleeves 37 are mounted through threaded connection and are convenient to dismount, the inner side of each sleeve 37 is provided with a compression spring 38, when the temperature and humidity sensor 24 is mounted, the temperature and humidity sensor 24 is positioned by matching the first soft magnetic strips 312 and the second soft magnetic strips 241, then the anti-slip turntable 331 is rotated to enable the threaded cap 33 to rotate, the threaded rod 34 drives the pressing plate 36 to be close to the temperature and humidity sensor 24 by utilizing the rotating threaded cap 33, the temperature and humidity sensor 24 is pressed by the pressing plate 36 to complete the mounting of the temperature and humidity sensor 24, the dismounting is convenient, meanwhile, the temperature and humidity sensor 24 can extrude the compression springs 38, the elasticity of the compression springs 38 is utilized, and the stability of a fixed structure can be improved, the rear sealing plate of the mounting frame 31 is provided with first soft magnetic strips 312, one side of the temperature and humidity sensor 24 close to the mounting frame 31 is provided with second soft magnetic strips 241, the second soft magnetic strips 241 attract the first soft magnetic strips 312, the positioning of the temperature and humidity sensor 24 is realized through the matching of the first soft magnetic strips 312 and the second soft magnetic strips 241, the outer sides of the mounting frame 31 are symmetrically provided with fixing lug plates 313 side by side, and the mounting frame 31 can be fixed on the inner wall of the heat-insulating inner shell 12 through the fixing lug plates 313.
The utility model discloses a concrete operation as follows:
firstly, in the ensiling fermentation process, the temperature and humidity in the tank are measured in real time through a temperature and humidity sensor 24, the measured temperature and humidity are transmitted to a controller 14, whether the measured temperature and humidity are in a range suitable for growth of beneficial microorganisms such as lactic acid bacteria is judged through the controller 14, when the temperature is lower than the suitable temperature range, a heating plate 22 is controlled to work through the controller 14, heat generated by the work of the heating plate 22 is used for heating, otherwise, a circulating water pump 25 is controlled to work through the controller 14, cooling water is sent to a condensing coil 21, cooling is achieved through cooling water circulating in the condensing coil 21, when the humidity in the tank is lower, an electromagnetic valve 231 is controlled to be opened through the controller 14, and water is added into the tank through a water inlet pipe 23 to improve the humidity, so that the automatic regulation of the temperature and humidity in the fermentation tank is achieved, and the growth of the beneficial microorganisms such as lactic acid bacteria is facilitated; when the temperature and humidity sensor 24 is installed, the temperature and humidity sensor 24 is located by means of matching of the first soft magnetic strips 312 and the second soft magnetic strips 241, then the anti-slip rotary table 331 is rotated to enable the threaded cap 33 to rotate, the threaded rod 34 is enabled to drive the pressing plate 36 to be close to the temperature and humidity sensor 24 by means of the rotating threaded cap 33, the temperature and humidity sensor 24 is tightly pressed by the pressing plate 36 to complete installation of the temperature and humidity sensor 24, the temperature and humidity sensor 24 can extrude the compression spring 38 at the moment, and the stability of the fixed structure can be improved by means of the elasticity of the compression spring 38.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (8)

1. The utility model provides a silage fermentation cylinder with adjustable temperature and humidity, includes a jar body (1), a serial communication port, the inboard of jar body (1) is equipped with temperature and humidity control mechanism (2), jar body (1) outside-in comprises heat preservation shell body (11) and heat preservation interior casing (12) in proper order, just temperature and humidity control mechanism (2) are including condenser coil (21) and hot plate (22), hot plate (22) are fixed in the top of heat preservation shell body (11) bottom plate, condenser coil (21) are around locating the external periphery of heat preservation interior casing (12) and being fixed connection, the business turn over water end of condenser coil (21) runs through heat preservation shell body (11) and extends to its outside and links to each other with cooling tower and circulating water pump (25) respectively through the pipeline, the outlet end of circulating water pump (25) passes through the pipeline and links to each other with the cooling, just be connected with temperature and humidity sensor (24) through fixed subassembly (3) on the inner wall of heat preservation interior casing (12) (ii) a
Inlet tube (23) are installed to the rear end of the jar body (1), fixed mounting has solenoid valve (231) on the one end outer wall of the jar body (1) is kept away from in inlet tube (23), just controller (14) are installed to one side of the jar body (1), controller (14) pass through the wire respectively with hot plate (22), circulating water pump (25) and solenoid valve (231) electric connection, controller (14) and temperature and humidity sensor (24) wireless connection.
2. The ensiling fermentation cylinder with adjustable temperature and humidity according to claim 1, characterized in that fixed subassembly (3) includes mounting bracket (31), be connected with screw cap (33) through rotating piece (32) on the curb plate of mounting bracket (31), be connected with threaded rod (34) through the thread engagement on the inner wall of screw cap (33), stopper (35) and clamp plate (36) are installed respectively to the both ends of threaded rod (34), one side that threaded rod (34) were kept away from in clamp plate (36) is equipped with soft pad (361), just temperature and humidity sensor (24) cooperate with mounting bracket (31).
3. A temperature and humidity regulated silage fermentor according to claim 2 characterized in that an anti-slip turntable (331) is fixedly mounted on the outer wall of the end of the screw cap (33) remote from the mounting frame (31).
4. A temperature and humidity adjustable silage fermenter according to claim 2, wherein the mounting frame (31) has screw through holes (311) symmetrically installed on the side opposite to the screw cap (33), each screw through hole (311) has a sleeve (37) on the inside, and each sleeve (37) has a compression spring (38) on the inside.
5. A temperature and humidity adjustable ensiling fermenter according to claim 4, wherein the rear sealing plate of the mounting frame (31) is provided with a first soft magnetic strip (312), and one side of the temperature and humidity sensor (24) close to the mounting frame (31) is provided with a second soft magnetic strip (241), and the second soft magnetic strip (241) and the first soft magnetic strip (312) are mutually attracted.
6. A temperature and humidity adjustable silage fermenter according to claim 5, characterised in that the outer sides of the mounting frame (31) are symmetrically mounted side by side with fixing lugs (313).
7. A ensiling fermenter with adjustable temperature and humidity according to claim 1, wherein a display screen (141) is installed on the front panel of the controller (14), and the display screen (141) is electrically connected with the controller (14) through a wire.
8. A ensiling fermenter with adjustable temperature and humidity according to claim 1, wherein the outer wall of the bottom end of the heat-insulating inner shell (12) is fixedly provided with an annular connecting plate (13), and the outer wall of the annular connecting plate (13) is fixedly connected with the inner wall of the heat-insulating outer shell (11).
CN202120060277.9U 2021-01-11 2021-01-11 Ensiling fermentation cylinder with adjustable temperature and humidity Expired - Fee Related CN214361391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120060277.9U CN214361391U (en) 2021-01-11 2021-01-11 Ensiling fermentation cylinder with adjustable temperature and humidity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120060277.9U CN214361391U (en) 2021-01-11 2021-01-11 Ensiling fermentation cylinder with adjustable temperature and humidity

Publications (1)

Publication Number Publication Date
CN214361391U true CN214361391U (en) 2021-10-08

Family

ID=77954484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120060277.9U Expired - Fee Related CN214361391U (en) 2021-01-11 2021-01-11 Ensiling fermentation cylinder with adjustable temperature and humidity

Country Status (1)

Country Link
CN (1) CN214361391U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117025388A (en) * 2023-10-10 2023-11-10 江苏菇本堂生物科技股份有限公司 White beech mushroom fermentation cylinder of controllable humiture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117025388A (en) * 2023-10-10 2023-11-10 江苏菇本堂生物科技股份有限公司 White beech mushroom fermentation cylinder of controllable humiture
CN117025388B (en) * 2023-10-10 2023-12-22 江苏菇本堂生物科技股份有限公司 White beech mushroom fermentation cylinder of controllable humiture

Similar Documents

Publication Publication Date Title
CN214361391U (en) Ensiling fermentation cylinder with adjustable temperature and humidity
CN206173301U (en) But stratified sampling's rice wine fermentation jar
CN114958596A (en) Biological feed fermentation device with temperature stage automatic adjustment function
CN112460324B (en) Gas self-closing valve of centralized control chamber
CN220246130U (en) Liquid strain fermentation tank
CN210181497U (en) Automatic control system for skid-mounted bent house
CN110243044A (en) A kind of fresh air system and method that Intelligent Indoor Air detection is adjusted
CN214881555U (en) Anaerobic fermentation case with automatic exhaust function
CN213816973U (en) Gas turbine generator outlet cabinet with condensation and dehumidification preventing function
CN109112066A (en) A kind of sauce fermentation thermal insulation barn with temp regulating function
CN112481116B (en) Microbial feed additive fermentation air multistage filtration bacteria removing device
CN111778154B (en) Control system of intelligent motor for fermentation tank stirring power
CN109163525B (en) Algae is dewatering and drying device for feed production
CN211013910U (en) Intelligent micro-water sensor vacuum aging device
CN211316332U (en) Heat supply pipe network hydraulic balance intelligent regulating device
CN210134115U (en) Food detection incubator
CN208735643U (en) A kind of rubbish hangs control room observation window demister
CN206571315U (en) Door automatic opening and closing system outside type is installed additional for concrete curing box
CN110307625A (en) A kind of central air-conditioning outlet air control system and its control method
CN213232299U (en) Ham processing fermenting installation
CN212669656U (en) Ferment fermentation constant temperature heat preservation jar
US20240138364A1 (en) Air microorganism enrichment device in farms
CN211290680U (en) Food storage cooling body
CN110145821A (en) A kind of Intelligent indoor air supply purification device and its control method
CN205232877U (en) Edible mushroom culturing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211008