CN216674555U - A storehouse body formula cooling device for being directed at tealeaves cools down after completing - Google Patents
A storehouse body formula cooling device for being directed at tealeaves cools down after completing Download PDFInfo
- Publication number
- CN216674555U CN216674555U CN202123352008.9U CN202123352008U CN216674555U CN 216674555 U CN216674555 U CN 216674555U CN 202123352008 U CN202123352008 U CN 202123352008U CN 216674555 U CN216674555 U CN 216674555U
- Authority
- CN
- China
- Prior art keywords
- bin
- cooling
- air
- cooling device
- tea leaves
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/963—Off-grid food refrigeration
Landscapes
- Tea And Coffee (AREA)
Abstract
The utility model discloses a bin body type cooling device for cooling tea leaves after enzyme deactivation, and belongs to the technical field of tea leaf processing equipment. Comprises a conveyor belt with a net structure and an air cooling device used for cooling the tea leaves on the conveyor belt; the air cooling device comprises an air distribution bin and an air supply pipe; the air distribution bin is of a hollow flat-plate structure, is arranged below the conveyor belt, and is provided with a plurality of air outlet holes on a top plate, the axes of the air outlet holes are vertical, and orifices at the upper ends of the air outlet holes are over against the conveying surface of the conveyor belt; the air supply pipe is communicated with the inner space of the air distribution bin. The device has simple structure, is easy to improve on the existing tea production line, and can obtain ideal tea forced cooling effect.
Description
Technical Field
The utility model relates to the technical field of tea processing equipment, in particular to a bin body type cooling device for cooling tea leaves after enzyme deactivation.
Background
With the large-scale development of the tea processing industry, at present, tea manufacturing enterprises use a special fixation machine to fix fresh tea leaves in the production process, and the structural form of the existing tea fixation machine is generally as follows: comprises a roller, a driving device for driving the roller to rotate, a feeding device arranged at one end of the roller, a discharging device arranged at the other end of the roller, and a heating device for supplying heat to the outer surface of the roller. The inner space of the roller is generally used as a fixation cavity for fixation of tea leaves, two ends of the fixation cavity are respectively communicated with the feeding device and the discharging device, the tea leaves roll in the fixation cavity of the roller, and the inner surface of the roller body is in dynamic contact with a heat source outside the roller body to realize heat exchange, so that effective fixation is realized. After the tea processing is completed, other operations, such as rewetting the tea, are also required to be performed on the tea.
After tea leaves are enzyme-deactivated, tea leaf manufacturers mostly adopt artificial natural cooling, and the enzyme-deactivated tea leaves are immediately scattered to dissipate heat and emit water vapor after being output. In order to improve the tea processing efficiency, after the tea is completely de-enzymed, the technical scheme that a cooling device is arranged on a de-enzyming cylinder and a cooling device is arranged on a subsequent tea transmission path appears in the prior art, and the technical scheme utilizes the cooling device to forcibly cool the de-enzymed tea so as to shorten the time consumed in the tea cooling process between the working procedures.
In the prior art, a tea production line adopting natural cooling still exists. The device is convenient to improve on the existing tea making equipment to obtain the forced cooling effect of the tea, and has important significance for the tea production industry.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the device which is convenient to improve the existing tea making equipment and obtains the tea forced cooling effect is provided and has important significance to the tea production industry, the utility model provides the bin body type cooling device for cooling tea leaves after enzyme deactivation. The device has simple structure, is easy to improve on the existing tea production line, and can obtain ideal tea forced cooling effect.
Aiming at the problems, the bin type cooling device for cooling tea leaves after enzyme deactivation provided by the utility model solves the problems through the following technical key points: a bin body type cooling device for cooling tea leaves after enzyme deactivation comprises a conveying belt in a net structure and an air cooling device for cooling the tea leaves on the conveying belt; the air cooling device comprises an air distribution bin and an air supply pipe;
the air distribution bin is of a hollow flat structure, is arranged below the conveyor belt, and is provided with a plurality of air outlet holes on a top plate, the axes of the air outlet holes are along the vertical direction, and the orifices at the upper ends of the air outlet holes are opposite to the conveying surface of the conveyor belt;
the air supply pipe is communicated with the inner space of the air distribution bin.
In the current tea making process, adopt the conveyer belt to carry out the tealeaves conveying comparatively commonly, be different from the form that adopts the slide to slide, tealeaves is with the mode transmission of static for the conveyer belt, so in order to avoid wind-force to disturb the distribution of tealeaves on the conveyer belt, the cooling scheme that utilizes tealeaves among the forced convection cooling transmission process now generally is used for tealeaves slide formula transmission.
This scheme is to in the conveyer belt tealeaves transmission process, adopts to cool off it and causes the problem that influences tealeaves and distribute on the conveyer belt easily like compressed air, provides a simple structure itself, improves easily on current tealeaves transfer line and obtains, and the accessible suitably increases the technical scheme of air-out flow in order to obtain ideal cooling effect.
Specifically, the conveying belt is of a net structure, and aims to form an air flow capable of blowing tea leaves from bottom to top by utilizing meshes on the conveying belt; in the specific structural design of the air cooling device, an air distribution bin is adopted as an air flow outlet end of the air cooling device, and the air distribution bin is of a flat plate structure, so that the air distribution bin can be conveniently installed by utilizing the space between the upper belt section and the lower belt section of the conveying belt; the air distribution bin is arranged below the conveyor belt, the number of the air outlet holes is multiple, the compressed air for cooling is redistributed by the air distribution bin, the area of an air outlet influence area of the air cooling device can be increased, and the air outlet speed of a single air outlet hole is reduced; the quantity setting and the axis direction of venthole set up to along vertical direction, when specifically using, as required, when suitably increasing air cooling device airflow, can make tealeaves take place the displacement of small amplitude or roll on the conveyer belt, reach the purpose of reinforceing the cooling effect. Meanwhile, the scheme has the advantages of simple structure, easiness in processing and manufacturing, convenience in use and installation, and ideal cooling effect can be obtained by adopting a forced purging mode.
When specifically using, set up to the regional width of laying of venthole and be greater than the width of conveyer belt to make tealeaves homoenergetic on the conveyer belt obtain effectual cooling. More preferred, for doing benefit to the cooling effect, set up to the venthole for not only including arranging along conveyer belt width direction's row, including the matrix distribution form of arranging along conveyer belt length direction's row simultaneously, in the row direction of arranging, the venthole that adjacent row arranged staggers each other to realize: during the process that the tea leaves are transferred along with the conveyor belt, the tea pile formed under the wind power can be redispersed.
More perfect:
as a be convenient for venthole processing, can obtain longer venthole length under the lighter prerequisite of following roof in order to restrict the air-out direction, be convenient for simultaneously carry out the technical scheme of clearance to the residue that drops in the gas distribution storehouse, adopt: the material of roof is plastics, the venthole is bored the system and is in round hole on the roof, the roof can be dismantled and connect on the gas distribution storehouse.
As a scheme that the thickness of a top plate is fixed, the length of an air outlet pore passage of each air outlet hole is increased by adding pipe sections at the positions of the air outlet holes so as to limit the air outlet direction of the air distribution bin, the method adopts the following steps: each air outlet is matched with a pipe section fixed on the air distribution bin; the relationship between the mutually matched air outlet holes and the pipe sections is as follows: the air outlet is coaxial with the pipe section. In specific implementation, the pipe section is mounted on the top surface of the gas distribution bin, for example, the pipe section is mounted by plastic welding.
In order to avoid the residue to fall into the air supply pipe, the following steps are adopted: and the pipe orifice of the air supply pipe outlet is higher than the bottom surface of the inner space.
For the airflow of even venthole, adopt: the air supply pipe comprises a main pipe and branch pipes connected to the main pipe, the branch pipes are multiple, and the outlet ends of the branch pipes extend to the upper side of the bottom surface.
For making the gas distribution storehouse cover bigger effective cooling area under the certain circumstances of size, the airflow of even venthole simultaneously adopts: the gas distribution bin is of a strip-shaped structure with the length direction along the transmission direction of the conveyor belt;
the branch pipes are arranged at intervals along the length direction of the gas distribution bin;
the branch pipes are staggered with the air outlet holes.
In order to utilize the cooling bin as follows to restrain the air current to promote the cooling effect, adopt: the air cooling device also comprises a strip-shaped cooling bin;
the cooling bin is of a shell type structure;
the conveyor belt passes through the cooling bin along the length direction of the cooling bin;
the air distribution bin is arranged in the cooling bin.
In order to make the compressed gas for cooling cover a longer tea conveying path, the following steps are adopted: the cooling bin is of a rectangular tubular structure with two open ends.
For the tealeaves entrance point that is located the cooling bin that gives vent to anger more of making the cooling bin to reduce the temperature of cooling bin outlet side tealeaves, discharge after making the cooling back gas can be transported by the centralized pipeline, adopt: sealing plates for reducing the size of the airflow space at the end part of the cooling bin are arranged at the two ends of the cooling bin;
and the sealing plate at the tea inlet side of the cooling bin is also provided with an air outlet pipe communicated with the inner space of the cooling bin.
For the convenience carries out the effect judgement that completes through gas sampling, adopt: and the gas outlet pipe is also provided with a gas sampling port.
The utility model has the following beneficial effects:
in the scheme, the conveying belt is of a net structure, and aims to form an air flow capable of blowing tea leaves from bottom to top by utilizing meshes on the conveying belt; in the specific structural design of the air cooling device, an air distribution bin is adopted as an air flow outlet end of the air cooling device, and the air distribution bin is of a flat plate structure, so that the air distribution bin can be conveniently installed by utilizing the space between the upper belt section and the lower belt section of the conveying belt; the air distribution bin is arranged below the conveyor belt, the number of the air outlet holes is multiple, the compressed air for cooling is redistributed by the air distribution bin, the area of an air outlet influence area of the air cooling device can be increased, and the air outlet speed of a single air outlet hole is reduced; the quantity setting and the axis direction of venthole set up to along vertical direction, when specifically using, as required, when suitably increasing air cooling device airflow, can make tealeaves take place the displacement of small amplitude or roll on the conveyer belt, reach the purpose of reinforceing the cooling effect. Meanwhile, the scheme has the advantages of simple structure, easiness in processing and manufacturing, convenience in use and installation, and ideal cooling effect can be obtained by adopting a forced purging mode.
Drawings
Fig. 1 is a schematic structural view of a specific embodiment of a cabin-type cooling device for cooling tea leaves after deactivation of enzymes in the scheme;
fig. 2 is a cross sectional view showing the relative position of the air distribution chamber and the conveyor belt in one embodiment of the bin-type cooling device for cooling tea leaves after deactivation of enzymes in the scheme;
fig. 3 is a top view of a cabin-type cooling device for cooling tea leaves after deactivation of enzymes according to a specific embodiment of the present invention, which reflects the structural form of an air distribution cabin;
fig. 4 is a top view showing a structural form of the air distribution chamber in a specific embodiment of the bin-type cooling device for cooling tea leaves after deactivation of enzymes in the scheme, which is different from fig. 3 in that the air outlet holes arranged in a patting manner on the air distribution chamber are staggered along the length direction.
The reference numbers in the drawings are respectively: 1. conveying belt, 2, air outlet pipe, 3, cooling bin, 4, main pipe, 5, branch pipe, 6, air distribution bin, 7 and air outlet.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1 to 4, a bin type cooling device for cooling tea leaves after enzyme deactivation comprises a conveyor belt 1 in a net structure and an air cooling device for cooling the tea leaves on the conveyor belt 1; the air cooling device comprises an air distribution bin 6 and an air supply pipe;
the gas distribution bin 6 is of a hollow flat-plate-shaped structure, the gas distribution bin 6 is arranged below the conveyor belt 1, a plurality of gas outlet holes 7 are formed in a top plate of the gas distribution bin 6, the axes of the gas outlet holes 7 are vertical, and orifices at the upper ends of the gas outlet holes 7 are opposite to the conveying surface of the conveyor belt 1;
the air supply pipe is communicated with the inner space of the air distribution bin 6.
In the current tea making process, adopt conveyer belt 1 to carry out tealeaves conveying comparatively commonly, be different from the form that adopts the slide to slide, tealeaves is with the mode transmission of static for conveyer belt 1, so in order to avoid wind-force to disturb the distribution of tealeaves on conveyer belt 1, the cooling scheme that utilizes tealeaves among the forced convection cooling transfer process now generally is used for tealeaves slide formula transmission.
This scheme is to 1 tealeaves transmission in-process of conveyer belt, adopts and to cause the problem that influences tealeaves and distribute on conveyer belt 1 easily like compressed air cools off it, provides a simple structure itself, improves easily on current tealeaves transfer line and obtains, and the accessible suitably increases the technical scheme of air-out flow in order to obtain ideal cooling effect.
Specifically, the conveyor belt 1 is of a net structure, and aims to form an air flow capable of blowing tea leaves from bottom to top by utilizing meshes on the conveyor belt 1; in the specific structural design of the air cooling device, the air distribution bin 6 is adopted as an air flow outlet end of the air cooling device, and the air distribution bin 6 is of a flat plate structure so as to be convenient for installing the air distribution bin 6 by utilizing the space between the upper belt section and the lower belt section of the conveyor belt 1; the air distribution bin 6 is arranged below the conveyor belt 1, the number of the air outlet holes 7 is multiple, the air distribution bin 6 is utilized to realize the redistribution of compressed air for cooling, the area of an air outlet influence area of an air cooling device can be increased, and the air outlet speed of a single air outlet hole 7 is reduced; the quantity setting and the axis direction of venthole 7 set up to along vertical direction, when specifically using, as required, when suitably increasing air cooling device airflow, can make tealeaves take place the displacement of small amplitude or roll on the conveyer belt 1, reach the purpose of reinforceing the cooling effect. Meanwhile, the scheme has the advantages of simple structure, easiness in processing and manufacturing, convenience in use and installation, and ideal cooling effect can be obtained by adopting a forced purging mode.
When specifically using, set up to the regional width of laying of venthole 7 and be greater than the width of conveyer belt 1 to make tealeaves homoenergetic on the conveyer belt 1 obtain effectual cooling. More preferably, for doing benefit to the cooling effect, set up to the venthole 7 for not only including arranging along the row of conveyer belt 1 width direction, include the matrix distribution form of arranging along the row of conveyer belt 1 length direction simultaneously, in row's array orientation, venthole 7 on the adjacent row was arranged staggers each other to the realization: during the tea leaves are transferred along with the conveyor belt 1, the tea leaf pile formed under the wind power can be redispersed.
More perfect:
as a be convenient for venthole 7 processing, can obtain longer venthole 7 length under the lighter prerequisite of following roof in order to restrict the air-out direction, be convenient for simultaneously carry out the technical scheme of clearance to the residue that drops in gas distribution storehouse 6, adopt: the material of roof is plastics, venthole 7 is bored the system and is in round hole on the roof, the roof can be dismantled and connect on gas distribution storehouse 6.
As a scheme that the thickness of the top plate is constant, the length of the air outlet 7 of each air outlet 7 is increased by adding pipe sections at the positions of the air outlet 7 so as to limit the air outlet direction of the air distribution bin 6, the following scheme is adopted: each air outlet 7 is matched with a pipe section fixed on the air distribution bin 6; the relationship between the mutually matched air outlet holes 7 and the pipe sections is as follows: the air outlet 7 is coaxial with the pipe section. In specific implementation, the pipe section is mounted on the top surface of the gas distribution bin 6, for example, the pipe section is mounted by plastic welding.
In order to avoid the residue to fall into the air supply pipe, the following steps are adopted: and the pipe orifice of the air supply pipe outlet is higher than the bottom surface of the inner space.
For the gas flow of even venthole 7, adopt: the air supply pipe comprises a main pipe 4 and branch pipes 5 connected to the main pipe 4, the branch pipes 5 are multiple, and the outlet ends of the branch pipes 5 extend to the upper side of the bottom surface.
For making the gas distribution storehouse 6 cover bigger effective cooling area under the certain circumstances of size, the airflow of even venthole 7 simultaneously adopts: the gas distribution bin 6 is of a strip-shaped structure with the length direction along the transmission direction of the conveyor belt 1;
the branch pipes 5 are arranged at intervals along the length direction of the gas distribution bin 6;
the branch pipes 5 are staggered with the air outlet holes 7.
In order to utilize the cooling bin 3 as follows to constrain the airflow to promote the cooling effect, the following are adopted: the air cooling device also comprises a strip-shaped cooling bin 3;
the cooling bin 3 is of a shell type structure;
the conveyor belt 1 passes through the cooling bin 3 along the length direction of the cooling bin 3;
the air distribution bin 6 is arranged in the cooling bin 3.
In order to make the compressed gas for cooling cover a longer tea conveying path, the following steps are adopted: the cooling bin 3 is of a rectangular tube structure with openings at two ends.
For the tealeaves entrance point that is located cooling bin 3 that gives vent to anger more of cooling bin 3 to reduce the temperature of 3 outlet side tealeaves in cooling bin, make after the cooling gaseous emission after can being transported by the centralized pipeline, adopt: sealing plates for reducing the size of the airflow space at the end part of the cooling bin 3 are arranged at two ends of the cooling bin 3;
the sealing plate at the tea inlet side of the cooling bin 3 is also provided with an air outlet pipe 2 communicated with the inner space of the cooling bin 3.
For the convenience carries out the effect judgement that completes through gas sampling, adopt: and the gas outlet pipe 2 is also provided with a gas sampling port.
The foregoing is a further detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. For those skilled in the art to which the utility model pertains, other embodiments that do not depart from the gist of the utility model are intended to be within the scope of the utility model.
Claims (10)
1. A bin body type cooling device for cooling tea leaves after enzyme deactivation comprises a conveying belt (1) with a net-shaped structure and an air cooling device for cooling the tea leaves on the conveying belt (1); the air cooling device is characterized by comprising an air distribution bin (6) and an air supply pipe;
the gas distribution bin (6) is of a hollow flat structure, the gas distribution bin (6) is arranged below the conveyor belt (1), a plurality of gas outlet holes (7) are formed in a top plate of the gas distribution bin (6), the axes of the gas outlet holes (7) are along the vertical direction, and orifices at the upper ends of the gas outlet holes (7) are opposite to the conveying surface of the conveyor belt (1);
the air supply pipe is communicated with the inner space of the air distribution bin (6).
2. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein the top plate is made of plastic, the air outlet holes (7) are all round holes drilled in the top plate, and the top plate is detachably connected to the air distribution bin (6).
3. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein each air outlet (7) is matched with a pipe section fixed on the air distribution bin (6); the relationship between the mutually matched air outlet holes (7) and the pipe sections is as follows: the air outlet (7) is coaxial with the pipe section.
4. The bin-type cooling device for cooling tea leaves after deactivation of enzymes of claim 1, wherein the mouth of the air supply pipe is higher than the bottom surface of the inner space.
5. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 4, wherein the air supply pipe comprises a main pipe (4) and a plurality of branch pipes (5) connected to the main pipe (4), and the outlet end of each branch pipe (5) extends to the upper side of the bottom surface.
6. The bin type cooling device for cooling tea leaves after enzyme deactivation according to claim 5, wherein the air distribution bin (6) is of a strip-shaped structure with the length direction along the transmission direction of the conveyor belt (1);
the branch pipes (5) are arranged at intervals along the length direction of the gas distribution bin (6);
the branch pipes (5) are staggered with the air outlet holes (7).
7. The bin type cooling device for cooling tea leaves after enzyme deactivation according to claim 1, wherein the air cooling device further comprises a strip-shaped cooling bin (3);
the cooling bin (3) is of a shell type structure;
the conveyor belt (1) penetrates through the cooling bin (3) along the length direction of the cooling bin (3);
the gas distribution bin (6) is arranged in the cooling bin (3).
8. The bin type cooling device for cooling tea leaves after deactivation of enzymes of claim 7, wherein the cooling bin (3) is a rectangular tube structure with two open ends.
9. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 8, wherein sealing plates for reducing the size of airflow space at the end parts of the cooling bin (3) are arranged at both ends of the cooling bin (3);
an air outlet pipe (2) communicated with the inner space of the cooling bin (3) is further arranged on the sealing plate at the tea inlet side of the cooling bin (3).
10. The bin body type cooling device for cooling tea leaves after enzyme deactivation according to claim 9, wherein the gas outlet pipe (2) is further provided with a gas sampling port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123352008.9U CN216674555U (en) | 2021-12-28 | 2021-12-28 | A storehouse body formula cooling device for being directed at tealeaves cools down after completing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123352008.9U CN216674555U (en) | 2021-12-28 | 2021-12-28 | A storehouse body formula cooling device for being directed at tealeaves cools down after completing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216674555U true CN216674555U (en) | 2022-06-07 |
Family
ID=81844179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123352008.9U Active CN216674555U (en) | 2021-12-28 | 2021-12-28 | A storehouse body formula cooling device for being directed at tealeaves cools down after completing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216674555U (en) |
-
2021
- 2021-12-28 CN CN202123352008.9U patent/CN216674555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111928633A (en) | High-efficiency adjustable grid plate type far infrared drying device | |
| CN216674555U (en) | A storehouse body formula cooling device for being directed at tealeaves cools down after completing | |
| CN203555151U (en) | Device for increasing moisture content of materials | |
| CN206168739U (en) | Drying solidification equipment | |
| CN104233513B (en) | Chemical fiber densifying all-in-one machine and densifying method | |
| CN212619971U (en) | Grid plate type far infrared drying device | |
| CN110285441B (en) | Boiler system with waste heat collecting function | |
| CN201108009Y (en) | Through-flow air supply assembly heating type vegetable press-pate machine | |
| CN109439876A (en) | A kind of mating equipment water jetting cooler for plate tempering product line equipment | |
| CN107240710B (en) | Battery cooling apparatus and the production line for manufacturing battery for using the device | |
| CN205175053U (en) | Air dryer device | |
| CN115029658A (en) | Neodymium iron boron washs stoving equipment of bluing | |
| CN109293404B (en) | Preparation process equipment and method of microbial organic fertilizer | |
| CN212876929U (en) | Greenhouse air supply pipeline | |
| CN204080217U (en) | A kind of chemical fibre densification all-in-one | |
| CN208586208U (en) | A kind of tempered glass cooling windscreen | |
| CN221648872U (en) | Novel fertilizer cooling device | |
| CN202445108U (en) | Cut stem fluidized drying treatment device | |
| CN213147131U (en) | Drying device is used in microbial fertilizer manufacturing | |
| CN215453909U (en) | Amphibious multifunctional agricultural seeding machine | |
| CN109938387A (en) | A kind of device of tobacco redrying | |
| CN221680069U (en) | Positive pressure conveying system for light materials | |
| CN212778468U (en) | Drying device for electroplating | |
| CN210357921U (en) | Air duct device for thermal transfer ribbon coating workshop | |
| CN215757283U (en) | Air heating and cooling system of high-temperature fermentation machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |