CN113654295A - Automatic defrosting device for frozen warehouse - Google Patents
Automatic defrosting device for frozen warehouse Download PDFInfo
- Publication number
- CN113654295A CN113654295A CN202110929008.6A CN202110929008A CN113654295A CN 113654295 A CN113654295 A CN 113654295A CN 202110929008 A CN202110929008 A CN 202110929008A CN 113654295 A CN113654295 A CN 113654295A
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- CN
- China
- Prior art keywords
- automatic defrosting
- water
- box body
- hot
- fixedly connected
- 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.)
- Pending
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000007710 freezing Methods 0.000 claims abstract description 19
- 230000008014 freezing Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 238000003756 stirring Methods 0.000 claims description 29
- 238000005507 spraying Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 230000010405 clearance mechanism Effects 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 5
- 238000007790 scraping Methods 0.000 description 13
- 239000012267 brine Substances 0.000 description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 241000252254 Catostomidae Species 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/10—Removing frost by spraying with fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
- Defrosting Systems (AREA)
Abstract
The invention relates to the technical field of refrigeration equipment, in particular to an automatic defrosting device for a freezer; air cooler and freeze storehouse body fixed connection, and be located the inside wall that freezes the storehouse body, spray the top that the mechanism set up at the air cooler, heating mechanism sets up in the top of freezing the storehouse body, clearance mechanism sets up in the inside of freezing the storehouse body, the inside of box is the cavity structure, box and the storehouse body fixed connection that freezes, and be located the one side of freezing the storehouse body, inlet tube and box intercommunication, and be located the top of box, motor and box fixed connection, and be located the bottom of box, through above structure setting, make operation convenience more, do not need the manual work to operate, a large amount of manpowers and resources have been practiced thrift.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to an automatic defrosting device for a freezer.
Background
The freezing warehouse is a warehouse which creates proper humidity and low temperature conditions by utilizing a cooling facility, is also called a cold storage, is a place for processing and storing products, can get rid of the influence of climate, prolongs the storage period of various products and adjusts the market supply.
At present, defrosting of a frozen warehouse is mostly manual defrosting, so that operation is inconvenient, and a large amount of manpower and resources are wasted.
Disclosure of Invention
The invention aims to provide an automatic defrosting device for a frozen warehouse, which solves the problems that the conventional defrosting of the frozen warehouse is mostly manual defrosting, the operation is inconvenient, and a large amount of manpower and resources are wasted.
In order to achieve the purpose, the invention provides an automatic defrosting device for a frozen warehouse, which comprises a frozen warehouse body, an air cooler, a spraying mechanism, a heating mechanism and a cleaning mechanism, wherein the air cooler is fixedly connected with the frozen warehouse body and is positioned on the inner side wall of the frozen warehouse body;
the spraying mechanism comprises a box body, a water inlet pipe, a motor, a stirring shaft, stirring blades, a water outlet pipe and a plurality of pressurizing nozzles, wherein the box body is of a cavity structure, the box body is fixedly connected with the freezing chamber body and is positioned on one side of the freezing chamber body, the water inlet pipe is communicated with the box body and is positioned above the box body, the motor is fixedly connected with the box body and is positioned at the bottom of the box body, one end of the stirring shaft is fixedly connected with the output end of the motor, the other end of the stirring shaft is inserted into the box body, the stirring blades are arranged in a plurality in number, the stirring blades are symmetrically arranged along the axial center line of the stirring shaft, one end of the water outlet pipe is communicated with the box body, the other end of the water outlet pipe penetrates through the side wall of the freezing chamber body and is arranged above the air cooler, and the pressurizing nozzles are arranged in a plurality in number, the plurality of pressurizing nozzles are uniformly arranged on one side of the water outlet pipe.
Through setting up spray the mechanism heat the mechanism with clearance mechanism makes the defrosting of freezing storehouse body is more convenient.
The spraying mechanism further comprises a pressure pump, and the pressure pump is fixedly connected with the water outlet pipe and is positioned on one side of the water outlet pipe.
Through setting up the force (forcing) pump for the mechanism's that sprays goes out water pressure increase, it is better to spray the effect.
Wherein, heating mechanism includes air pump, pipeline, firing equipment, heater strip, hot-blast main, hot air board and hot gas shower nozzle, the air pump with freeze storehouse body fixed connection, and be located freeze the top of storehouse body, the one end of pipeline with the air pump intercommunication, the other end of pipeline with the firing equipment intercommunication, the heater strip sets up firing equipment's inside, the one end of hot-blast main with the firing equipment intercommunication, the other end of hot-blast main passes freeze the top of storehouse body with hot air board intercommunication, the quantity of hot gas shower nozzle is a plurality of, and is a plurality of the hot gas shower nozzle evenly sets up the bottom of hot air board.
Through setting up heating mechanism can pass through heating mechanism accelerates the defrosting, makes the effect of defrosting better.
The automatic defrosting device for the frozen warehouse further comprises a water collecting tank, and the water collecting tank is arranged on the inner side wall of the frozen warehouse body.
Through setting up the water catch bowl for the frost water after melting is scraped the back, can collect through the water catch bowl.
The automatic defrosting device for the frozen warehouse further comprises a water guide pipe, wherein the water guide pipe is fixedly connected with the water collecting tank and is positioned at the bottom of the water collecting tank.
By arranging the water guide pipe, the frost water in the water collecting tank can be collected more easily.
The automatic defrosting device for the frozen warehouse further comprises a piston, and the piston is arranged inside the water guide pipe and is detachably connected with the water guide pipe.
By providing the piston inside the water introduction duct, the frost water can be collected by opening the piston.
The invention relates to an automatic defrosting device for a freezer, wherein an air cooler provides refrigeration for a freezer body, when the air cooler needs to be sprayed by a spraying mechanism, water and salt are added into a box body to be prepared into high-concentration brine, a motor is started to rotate, the motor drives a stirring shaft to rotate and drives stirring blades arranged on the stirring shaft to rotate, so that the salt and the water in the box body are fully stirred, the proportion of the brine is more balanced, the uniformly mixed brine is discharged from a water outlet pipe and sprayed outside the air cooler through a pressurizing nozzle, the freezing point temperature of the concentrated brine is higher, the formation of frost is prevented, the daily frost formation is reduced by arranging the spraying mechanism, the refrigeration effect is indirectly increased, and by arranging the heating mechanism and the cleaning mechanism, make the storehouse body freezes when the outage defrosting, heating mechanism makes the frosting of freezing the inside of storehouse body melts more easily, clearance mechanism clears up the frost water after melting more easily, through above structure setting for operation convenience more does not need the manual work to operate, has practiced thrift a large amount of manpowers and resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an external structure of an automatic defrosting apparatus for a freezer according to the present invention.
Fig. 2 is a front view of an automatic defrosting apparatus for a freezer according to the present invention.
Fig. 3 is a side view of an automatic defrosting apparatus for a freezer provided in the present invention.
Fig. 4 is a sectional view of the structure of fig. 3 taken along line a-a according to the present invention.
Fig. 5 is a schematic structural diagram of a cleaning mechanism provided by the present invention.
FIG. 6 is a side view of a cleaning mechanism provided by the present invention.
100-automatic defrosting device for freezing warehouse, 1-freezing warehouse body, 11-air cooler, 2-spraying mechanism, 21-box body, 22-water inlet pipe, 23-motor, 24-stirring shaft, 25-stirring blade, 26-water outlet pipe, 27-pressurizing nozzle, 28-pressurizing pump, 3-heating mechanism, 31-air pump, 32-pipeline, 33-heating equipment, 34-heating wire, 35-hot air pipe, 36-hot air plate, 37-hot air nozzle, 4-cleaning mechanism, 41-fixing plate, 42-sucking disc, 43-scraping plate, 431-rubber scraping strip, 432-water flow groove, 44-connecting rod, 45-connecting plate, 46-rotating rod, 47-rotating wheel, 48-rotating shaft, 49-drive, 5-catch basin, 51-water conduit, 52-piston.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 6, the present invention provides an automatic defrosting device 100 for a freezer, where the automatic defrosting device 100 for a freezer includes a freezer body 1, an air cooler 11, a spraying mechanism 2, a heating mechanism 3, and a cleaning mechanism 4, the air cooler 11 is fixedly connected to the freezer body 1 and is located on an inner side wall of the freezer body 1, the spraying mechanism 2 is disposed above the air cooler 11, the heating mechanism 3 is disposed above the freezer body 1, and the cleaning mechanism 4 is disposed inside the freezer body 1;
the spraying mechanism 2 comprises a box body 21, a water inlet pipe 22, a motor 23, a stirring shaft 24, stirring blades 25, a water outlet pipe 26 and a pressurizing nozzle 27, wherein the inside of the box body 21 is of a cavity structure, the box body 21 is fixedly connected with the freezing warehouse body 1 and is positioned on one side of the freezing warehouse body 1, the water inlet pipe 22 is communicated with the box body 21 and is positioned above the box body 21, the motor 23 is fixedly connected with the box body 21 and is positioned at the bottom of the box body 21, one end of the stirring shaft 24 is fixedly connected with the output end of the motor 23, the other end of the stirring shaft 24 is inserted into the inside of the box body 21, the stirring blades 25 are multiple in number, the stirring blades 25 are symmetrically arranged along the axial center line of the stirring shaft 24, one end of the water outlet pipe 26 is communicated with the box body 21, and the other end of the water outlet pipe 26 penetrates through the side wall of the freezing warehouse body 1, the air cooler is arranged above the air cooler 11, the number of the pressurizing nozzles 27 is multiple, and the pressurizing nozzles 27 are uniformly arranged on one side of the water outlet pipe 26.
In this embodiment, the air cooler 11 provides refrigeration for the freezer body 1, when the spraying mechanism 2 is needed to spray the air cooler 11, water and salt are added into the box 21 to blend into high-concentration brine, the motor 23 is started, the motor 23 rotates to drive the stirring shaft 24 to rotate and drive the stirring blades 25 arranged on the stirring shaft 24 to rotate, so that the salt and the water in the box 21 are fully stirred, the proportion of the brine is more balanced, the brine after uniform mixing is discharged from the water outlet pipe 26 and sprayed outside the air cooler 11 through the pressurizing nozzle 27, the freezing point temperature of the brine is higher, the formation of frost is prevented, the daily frost formation is reduced by the arrangement of the spraying mechanism 2, and the refrigeration effect is indirectly increased, through setting up heating mechanism 3 with clearance mechanism 4 makes it when the outage defrosting freezes storehouse body 1, heating mechanism 3 makes it melts more easily to freeze the frost in storehouse body 1 inside, clearance mechanism 4 clears up the frost water after melting more easily, through above structure setting for operation convenience more does not need the manual work to operate, has practiced thrift a large amount of manpowers and resources.
Further, the spraying mechanism 2 further comprises a pressure pump 28, and the pressure pump 28 is fixedly connected with the water outlet pipe 26 and is located on one side of the water outlet pipe 26; heating mechanism 3 includes air pump 31, pipeline 32, firing equipment 33, heater strip 34, hot-blast main 35, hot-blast plate 36 and hot gas shower nozzle 37, air pump 31 with freeze storehouse body 1 fixed connection, and be located freeze the top of storehouse body 1, the one end of pipeline 32 with air pump 31 intercommunication, the other end of pipeline 32 with firing equipment 33 intercommunication, heater strip 34 sets up the inside of firing equipment 33, the one end of hot-blast main 35 with firing equipment 33 intercommunication, the other end of hot-blast main 35 passes freeze storehouse body 1's top with hot-blast plate 36 intercommunication, the quantity of hot-blast shower nozzle 37 is a plurality of, and is a plurality of hot-blast shower nozzle 37 evenly sets up hot-blast plate 36's bottom.
In this embodiment, by providing the pressure pump 28, the water outlet pressure of the spraying mechanism 2 is increased, the spraying effect is better, when power-off defrosting is performed, the air pump 31 discharges air, the heating device 33 heats the heating wire 34 in the heating device 33, hot air is discharged from the hot air pipe 35 into the hot air plate 36, the hot air is delivered to the interior of the freezer body 1 through the hot air nozzles 37 on the hot air plate 36, and frost in the freezer body 1 is melted into water through the hot air.
Further, the cleaning mechanism 4 includes a fixing plate 41, two suckers 42, two scrapers 43, two connecting rods 44, a connecting plate 45, a rotating rod 46, a rotating wheel 47, a rotating shaft 48 and a driving member 49, the number of the suckers 42 is two, the suckers 42 are disposed on one side of the fixing plate 41, the suckers 42 are detachably connected with the inner side wall of the freezer body 1, the number of the scrapers 43 is two, the two scrapers 43 are respectively hinged to the fixing plate 41 and respectively disposed on one side of the fixing plate 41, the number of the connecting rods 44 is two, the two connecting rods 44 are respectively fixedly connected with the corresponding scrapers 43 and respectively disposed on one side of the scrapers 43, the connecting plate 45 is disposed between the two connecting rods 44 and rotatably connected with the two connecting rods 44, one end of the rotating rod 46 is rotatably connected with one of the connecting rods 44, the other end of the rotating rod 46 is fixedly connected with the rotating wheel 47 and is positioned at one side of the rotating wheel 47, one end of the rotating shaft 48 is fixedly connected with the rotating wheel 47, and the other end of the rotating shaft 48 is fixedly connected with the output end of the driving part 49; the cleaning mechanism 4 further comprises two rubber scraping strips 431, the two rubber scraping strips 431 are respectively and fixedly connected with the corresponding scraping plate 43 and are respectively positioned on one side of the scraping plate 43; the cleaning mechanism 4 further comprises two water flow grooves 432, two of the water flow grooves 432 are arranged at one side of the corresponding scraping strip,
in this embodiment, the melted frost may become water drops or thin ice pieces and adhere to the inner sidewall of the freezer body 1, the suction cup 42 on the cleaning mechanism 4 is attached to the inner sidewall of the freezer body 1, a fixed object is taken out to place the driving element 49 above, at this time, the driving element 49 is started, the driving element 49 rotates to drive the rotating shaft 48 to rotate and drive the rotating wheel 47 to rotate, at this time, the rotating rod 46 moves left and right with a certain range under the pulling of the rotating wheel 47, and at the same time, one of the connecting rods 44 is pulled to swing left and right, the connecting plate 45 is connected between the two connecting rods 44, the two connecting rods 44 are respectively arranged at one side of the two scraping plates 43, at this time, the two scraping plates 43 also swing left and right under the pulling, at this time, the scraping plates 43 can be used to scrape off the frost water on the inner sidewall of the freezer body 1, through set up one side of scraping the strip rubber scraping strip 431 for the effect of scraping off is better, through setting up water trough 432 makes the convenience more of drainage.
Further, the automatic defrosting device 100 for the freezer further comprises a water collecting tank 5, wherein the water collecting tank 5 is arranged on the inner side wall of the freezer body 1; the automatic defrosting device 100 for the freezer further comprises a water guide pipe 51, wherein the water guide pipe 51 is fixedly connected with the water collecting tank 5 and is positioned at the bottom of the water collecting tank 5; the automatic defrosting apparatus for a freezer 100 further includes a piston 52, and the piston 52 is disposed inside the water guide pipe 51 and detachably coupled to the water guide pipe 51.
In the present embodiment, the water collection tank 5 is provided so that melted frost can be collected by the water collection tank 5 after being scraped off, the water guide pipe 51 is provided so that the frost in the water collection tank 5 can be collected more easily, and the piston 52 is provided inside the water guide pipe 51 so that the frost can be collected by opening the piston 52.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An automatic defrosting device for a freezer is characterized in that,
the automatic defrosting device for the frozen warehouse comprises a frozen warehouse body, an air cooler, a spraying mechanism, a heating mechanism and a cleaning mechanism, wherein the air cooler is fixedly connected with the frozen warehouse body and is positioned on the inner side wall of the frozen warehouse body;
the spraying mechanism comprises a box body, a water inlet pipe, a motor, a stirring shaft, stirring blades, a water outlet pipe and a plurality of pressurizing nozzles, wherein the box body is of a cavity structure, the box body is fixedly connected with the freezing chamber body and is positioned on one side of the freezing chamber body, the water inlet pipe is communicated with the box body and is positioned above the box body, the motor is fixedly connected with the box body and is positioned at the bottom of the box body, one end of the stirring shaft is fixedly connected with the output end of the motor, the other end of the stirring shaft is inserted into the box body, the stirring blades are arranged in a plurality in number, the stirring blades are symmetrically arranged along the axial center line of the stirring shaft, one end of the water outlet pipe is communicated with the box body, the other end of the water outlet pipe penetrates through the side wall of the freezing chamber body and is arranged above the air cooler, and the pressurizing nozzles are arranged in a plurality in number, the plurality of pressurizing nozzles are uniformly arranged on one side of the water outlet pipe.
2. The automatic defrosting apparatus for a freezer according to claim 1,
the spraying mechanism further comprises a pressure pump, and the pressure pump is fixedly connected with the water outlet pipe and is positioned on one side of the water outlet pipe.
3. The automatic defrosting apparatus for a freezer according to claim 2,
heating mechanism includes air pump, pipeline, firing equipment, heater strip, hot-blast main, hot blast board and hot gas shower nozzle, the air pump with freeze storehouse body fixed connection, and be located freeze the top of storehouse body, the one end of pipeline with the air pump intercommunication, the other end of pipeline with the firing equipment intercommunication, the heater strip sets up firing equipment's inside, the one end of hot-blast main with the firing equipment intercommunication, the other end of hot-blast main passes freeze the top of storehouse body with hot blast board intercommunication, the quantity of hot gas shower nozzle is a plurality of, and is a plurality of the hot gas shower nozzle evenly sets up the bottom of hot blast board.
4. The automatic defrosting apparatus for a freezer according to claim 3,
the automatic defrosting device for the frozen warehouse further comprises a water collecting tank, and the water collecting tank is arranged on the inner side wall of the frozen warehouse body.
5. The automatic defrosting apparatus for a freezer according to claim 4,
the automatic defrosting device for the frozen warehouse further comprises a water guide pipe, wherein the water guide pipe is fixedly connected with the water collecting tank and is positioned at the bottom of the water collecting tank.
6. The automatic defrosting apparatus for a freezer according to claim 5,
the automatic defrosting device for the freezer also comprises a piston, wherein the piston is arranged in the water guide pipe and is detachably connected with the water guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110929008.6A CN113654295A (en) | 2021-08-13 | 2021-08-13 | Automatic defrosting device for frozen warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110929008.6A CN113654295A (en) | 2021-08-13 | 2021-08-13 | Automatic defrosting device for frozen warehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113654295A true CN113654295A (en) | 2021-11-16 |
Family
ID=78479678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110929008.6A Pending CN113654295A (en) | 2021-08-13 | 2021-08-13 | Automatic defrosting device for frozen warehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113654295A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921582A (en) * | 1995-07-03 | 1997-01-21 | Hitachi Plant Eng & Constr Co Ltd | Refrigerating warehouse |
| CN211601260U (en) * | 2020-01-22 | 2020-09-29 | 武汉泰尔制冷设备工程有限公司 | Portable freezer of pin-connected panel |
| CN212692239U (en) * | 2020-07-23 | 2021-03-12 | 茂名市冰雪制冷设备工程有限公司 | Defrosting device for refrigeration house |
| CN112503840A (en) * | 2021-01-04 | 2021-03-16 | 重庆西名制冷设备有限公司 | Automatic defrosting device for frozen warehouse |
| CN112816244A (en) * | 2021-02-04 | 2021-05-18 | 重庆市妇幼保健院 | A freezing slicer for pathology department of hospital |
-
2021
- 2021-08-13 CN CN202110929008.6A patent/CN113654295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921582A (en) * | 1995-07-03 | 1997-01-21 | Hitachi Plant Eng & Constr Co Ltd | Refrigerating warehouse |
| CN211601260U (en) * | 2020-01-22 | 2020-09-29 | 武汉泰尔制冷设备工程有限公司 | Portable freezer of pin-connected panel |
| CN212692239U (en) * | 2020-07-23 | 2021-03-12 | 茂名市冰雪制冷设备工程有限公司 | Defrosting device for refrigeration house |
| CN112503840A (en) * | 2021-01-04 | 2021-03-16 | 重庆西名制冷设备有限公司 | Automatic defrosting device for frozen warehouse |
| CN112816244A (en) * | 2021-02-04 | 2021-05-18 | 重庆市妇幼保健院 | A freezing slicer for pathology department of hospital |
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Application publication date: 20211116 |