CN108286845A - Ice making veneer evaporator and its operation method - Google Patents
Ice making veneer evaporator and its operation method Download PDFInfo
- Publication number
- CN108286845A CN108286845A CN201810176910.3A CN201810176910A CN108286845A CN 108286845 A CN108286845 A CN 108286845A CN 201810176910 A CN201810176910 A CN 201810176910A CN 108286845 A CN108286845 A CN 108286845A
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- Prior art keywords
- evaporator
- unit plate
- plate body
- plate
- fin
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000004087 circulation Effects 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 38
- 238000005057 refrigeration Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/022—Evaporators with plate-like or laminated elements
Abstract
The present invention provides a kind of ice making veneer evaporators and its operation method.This ice making veneer evaporator, including several unit plate bodys, splicing component is arranged in the upper and lower edge of unit plate body, it is put down in cell board body to several circulation passages are arranged, the section of circulation passage is rectangle, evenly distributed several fins on the inner wall of circulation passage, the fixed closure plate in the both sides of unit plate body, cavity is set in closure plate, circulation passage is connected with cavity, one end of closure plate internal cavity is opening, and closed plate is arranged in the other end, and the cavity opening of two closure plates on same unit plate body is in oppositely arranged up and down；Several unit plate bodys are formed along file by splicing component connected, the closure plate of the neighbouring plate body of Unit two is to just connecting, the cavity opening of connection closure plate is set to be connected in sealing, it is connected to liquid supply pipe on a side stopboard of the unit plate body of bottommost, liquid back pipe is connected on a side stopboard of the unit plate body of topmost.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of ice maker, especially a kind of ice making veneer evaporator and
Its operation method.
Background technology
Plate ice machine is one kind of ice machine, generally mostly industrial ice machine.Produced ice is bulk.The plate ice that it is manufactured is not
Regular, hard, transparent drying.Plate ice thickness and width can freely be adjusted according to purposes.
Evaporator is a critically important component in freezing four big parts, and the condensed fluid of low temperature is by evaporator, with the external world
Air carry out heat exchange, gasification heat absorption, achieve the effect that refrigeration.Evaporator is mainly by heating room and vaporization chamber two parts group
At.It heats room and is provided to liquid and evaporate required heat, liquid boiling is promoted to vaporize；Vaporization chamber makes gas-liquid two-phase divide completely
From.
Evaporator in existing plate ice machine has the following problems：
Heat exchange efficiency of the refrigerant in evaporator is relatively low, and a large amount of loss of refrigeration capacity entrained by refrigerant is made to waste.Refrigeration
Agent residence time in evaporator is short so that the working efficiency of unit refrigerant is low, when work to increase compressor
Between and live load.Evaporator refrigeration effect is general, and the plate ice thickness produced is poor, and should not store, and easily melts.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of serpentine-like curved by being arranged
Path is rolled over to enhance heat transfer effect, while adding inner wall of the pipe structure, the exposure level of enhancing and heat exchange agent, improving heat exchanging efficiency
Ice making veneer evaporator and its operation method.
Object of the invention can be realized by the following technical scheme：Ice making veneer evaporator, including several units
Splicing component is arranged in plate body, the upper and lower edge of the unit plate body, is put down in the cell board body to several circulations are arranged
The section in channel, the circulation passage is rectangle, evenly distributed several fins, the unit on the inner wall of the circulation passage
The fixed closure plate in the both sides of plate body, the closure plate is interior to be arranged cavity, and the circulation passage is connected with the cavity, the closure plate
One end of internal cavity is opening, and closed plate is arranged in the other end, and the cavity opening of two closure plates on same unit plate body is in up and down
It is oppositely arranged；Several unit plate bodys form connected, the closure plate of the neighbouring plate body of Unit two along file by splicing component
To just connecting, so that the cavity opening of connection closure plate is connected in sealing, be connected on a side stopboard of the unit plate body of bottommost
Liquid supply pipe is connected to liquid back pipe on a side stopboard of the unit plate body of topmost.
In above-mentioned ice making in veneer evaporator, the fin is linear type or wave line style, the section of the fin
Shape is arc-shaped or triangle.
In above-mentioned ice making in veneer evaporator, the quantity of fin is 8~20 in each circulation passage, described
The width of fin is 0.3~1.8mm, and the height of the fin is 0.4~2.1mm, and the spacing between the adjacent fin is 1.2
~3.6mm.
In above-mentioned ice making in veneer evaporator, the splicing component includes positioned at the convex of unit plate body top side
Item, the raised line are dovetail profile bar body, and the splicing component further includes the groove positioned at unit plate body bottom side, the groove
For dovetail groove, the raised line, which is inserted into the groove, forms chimeric clamping.The clamping engagement of dove-tail form can effectively realize two pieces
Being connected between plate body, avoids two plates from being detached from clamping easily by dovetail profile.
It is connected with installation floor in the above-mentioned ice making unit plate body in veneer evaporator, being located at topmost, institute
The bottom side setting dovetail groove of installation floor is stated, the raised line of unit plate body top side, which is inserted into the dovetail groove, forms chimeric card
It connects.
In above-mentioned ice making in veneer evaporator, fixed fixed plate on the lateral wall of the closure plate, the fixed plate has
Have and erect plate and horizontal web, the setting plate is attached to admittedly on the lateral wall of the closure plate, open-minded in the horizontal web
Mounting hole.Four fixed plates, and the quantity of both sides fixed plate are at least set on the whole veneer spliced by several unit plate bodys
It is equal, thus ensure the stability of whole veneer after installation.
The operation method of veneer evaporator, includes the following steps：
1), evaporator is connected in heat exchange cycle system, the agent that exchanges heat is sent into the liquid supply pipe of evaporator by compressor；
2), heat exchange agent enters in the cell board body of evaporator bottommost, by several circulation passages by the one of unit plate body
Effluent reaches the other side and is entered in the adjacent cell board body in top by the closure plate communicated again, if thus in dry plug to the other side
Snakelike bending flow path is carried out in plate and several unit plate bodys, so that evaporator surface is freezed during heat exchange agent flows through, exchange heat agent
Evaporator is finally flowed out by liquid back pipe；
3), switch path direction, the agent that exchanges heat is sent into the liquid back pipe of evaporator by compressor；
4), heat exchange agent enters in the cell board body of evaporator topmost, by several circulation passages by the one of unit plate body
Effluent reaches the other side and is entered in the adjacent cell board body in lower section by the closure plate communicated again, if thus in dry plug to the other side
Snakelike bending flow path is carried out in plate and several unit plate bodys, so that evaporator surface is heated during heat exchange agent flows through, exchange heat agent
Evaporator is finally flowed out by liquid supply pipe.
By the blocking or conducting set by closure plate, multiple unit plate bodys of longitudinal arrangement are connected to form multistage bending
Thus circulation path extends flow path length of the heat exchange agent in evaporator, extend delay duration of the heat exchange agent in evaporator, from
And realize the abundant effect of heat exchange agent, its utilization rate is improved, heat transfer effect is enhanced.
In above-mentioned operation method, heat exchange agent, which collides when flowing through circulation passage with the fin in it, to be contacted, and is made
Must exchange heat agent turbulivity enhancing, extend heat exchange the agent residence time, fin surface increase with heat exchange agent contact area.
In above-mentioned operation method, the shape of fin is more complicated, and heat transfer effect is better；The quantity of fin is more, heat exchange
Effect is better；The specification of fin is bigger, and heat transfer effect is better；The spacing of fin is smaller, and heat transfer effect is better.
In above-mentioned operation method, the unit plate body is made of aluminum alloy materials, and the closure plate uses aluminium alloy
Material is made.It uses aluminum alloy materials to improve heat exchange efficiency, to optimize ice-making effect, promotes working efficiency.
Compared with prior art, this ice making is had the following advantages with veneer evaporator and its operation method：
Increase length of flow across, the residence time of heat exchange agent by the way that serpentine-like bending path is arranged, while flowing through pipe
The fin that variform is added on road inner wall increases the turbulence intensity of heat exchange agent, residence time by the complex road condition of flow path, with
The heat exchange agent reached in pipeline comes into full contact with heat exchange, final optimization pass heat transfer effect, improving heat exchanging efficiency with side wall.
Description of the drawings
Fig. 1 is the main view sectional view of this ice making veneer evaporator.
Fig. 2 is the side view partial cutaway view of this ice making veneer evaporator.
Fig. 3 is external structure of this ice making with veneer evaporator.
In figure, 1, unit plate body；2, raised line；3, circulation passage；4, fin；5, closure plate；6, liquid supply pipe；7, liquid back pipe；8、
Floor is installed；9, fixed plate.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 3, this ice making veneer evaporator, including several unit plate bodys 1, unit plate body 1 it is upper,
Splicing component is set at lower edge, is put down in unit plate body 1 to several circulation passages 3 are arranged, the section of circulation passage 3 is in length
Rectangular, evenly distributed several fins 4 on the inner wall of circulation passage 3, the fixed closure plate 5 in both sides of unit plate body 1 is set in closure plate 5
Chamber is emptied, circulation passage 3 is connected with cavity, and one end of 5 internal cavity of closure plate is opening, and closed plate, same list is arranged in the other end
The cavity opening of two closure plates 5 on first plate body 1 is in oppositely arranged up and down；Several unit plate bodys 1 pass through splicing component along file
It being formed and is connected, for the closure plate 5 of the neighbouring plate body of Unit two 1 to just connecting, it is in that sealing is connected to make the cavity opening of connection closure plate 5,
It is connected to liquid supply pipe 6 on a side stopboard 5 of the unit plate body 1 of bottommost, is located at a side stopboard of the unit plate body 1 of topmost
Liquid back pipe 7 is connected on 5.
Fin 4 is linear type or wave line style, and the cross sectional shape of fin 4 is arc-shaped or triangle.
The quantity of fin 4 is 8~20 in each circulation passage 3, and the width of fin 4 is 0.3~1.8mm, the height of fin 4
Degree is 0.4~2.1mm, and the spacing between adjacent lugs 4 is 1.2~3.6mm.
Splicing component includes the raised line 2 positioned at 1 top side of unit plate body, and raised line 2 is dovetail profile bar body, and splicing component further includes
Groove positioned at 1 bottom side of unit plate body, groove are dovetail groove, and raised line 2, which is inserted into groove, forms chimeric clamping.The clamping of dove-tail form
Cooperation can effectively realize being connected between two boards body, avoid two plates from being detached from clamping easily by dovetail profile.
Unit plate body 1 positioned at topmost is connected with installation floor 8, and dovetail groove, cell board is arranged in the bottom side of installation floor 8
The raised line 2 of 1 top side of body, which is inserted into dovetail groove, forms chimeric clamping.
Fixed fixed plate 9 on the lateral wall of closure plate 5, fixed plate 9, which has, erects plate and horizontal web, erects plate and pastes admittedly
On the lateral wall of closure plate 5, mounting hole is opened in horizontal web.On the whole veneer spliced by several unit plate bodys 1 at least
Four fixed plates 9 are set, and the quantity of both sides fixed plate 9 is equal, thus ensure the stability of whole veneer after installation.
The operation method of veneer evaporator, includes the following steps：
1), evaporator is connected in heat exchange cycle system, the agent that exchanges heat is sent into the liquid supply pipe of evaporator by compressor
6；
2), heat exchange agent enters in the unit plate body 1 of evaporator bottommost, by several circulation passages 3 by unit plate body 1
Side flows to the other side, reaches the other side and is entered in the adjacent unit plate body 1 in top by the closure plate 5 communicated again, if thus existing
Snakelike bending flow path is carried out in dry plug plate 5 and several unit plate bodys 1, so that evaporator surface is freezed during heat exchange agent flows through,
The agent that exchanges heat finally flows out evaporator by liquid back pipe 7；
3), switch path direction, the agent that exchanges heat is sent into the liquid back pipe 7 of evaporator by compressor；
4), heat exchange agent enters in the unit plate body 1 of evaporator topmost, by several circulation passages 3 by unit plate body 1
Side flows to the other side, reaches the other side and is entered in the adjacent unit plate body 1 in lower section by the closure plate 5 communicated again, if thus existing
Snakelike bending flow path is carried out in dry plug plate 5 and several unit plate bodys 1, so that evaporator surface is heated during heat exchange agent flows through,
The agent that exchanges heat finally flows out evaporator by liquid supply pipe 6.
By the blocking or conducting set by closure plate 5, multiple unit plate bodys 1 connection of longitudinal arrangement is formed into multistage bending
Circulation path, thus extend flow path length of the heat exchange agent in evaporator, extend delay duration of the heat exchange agent in evaporator,
To realize the abundant effect of heat exchange agent, its utilization rate is improved, enhances heat transfer effect.
Heat exchange agent, which collides when flowing through circulation passage 3 with the fin 4 in it, to be contacted so that the turbulivity for the agent that exchanges heat increases
By force, extend the heat exchange agent residence time, 4 surface of fin increases and heat exchange agent contact area.
The shape of fin 4 is more complicated, and heat transfer effect is better；The quantity of fin 4 is more, and heat transfer effect is better；The rule of fin 4
Lattice are bigger, and heat transfer effect is better；The spacing of fin 4 is smaller, and heat transfer effect is better.
Unit plate body 1 is made of aluminum alloy materials, and closure plate 5 is made of aluminum alloy materials.Use aluminum alloy materials with
Heat exchange efficiency is improved, to optimize ice-making effect, promotes working efficiency.
This ice making is had the following advantages with veneer evaporator and its operation method：
Increase length of flow across, the residence time of heat exchange agent by the way that serpentine-like bending path is arranged, while flowing through pipe
The fin 4 that variform is added on road inner wall increases the turbulence intensity of heat exchange agent, residence time by the complex road condition of flow path,
To reach the heat exchange agent in pipeline heat exchange, final optimization pass heat transfer effect, improving heat exchanging efficiency are come into full contact with side wall.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although unit plate body 1 is used more herein；Raised line 2；Circulation passage 3；Fin 4；Closure plate 5；Liquid supply pipe 6；It returns
Liquid pipe 7；Floor 8 is installed；The terms such as fixed plate 9, but it does not preclude the possibility of using other terms.Only using these terms
It is to more easily describe and explain the essence of the present invention；Being construed as any one of the additional limitations is all and this hair
What bright spirit was disagreed.
Claims (10)
1. splicing group is arranged in the upper and lower edge of ice making veneer evaporator, including several unit plate bodys, the unit plate body
Part, which is characterized in that put down in the cell board body to several circulation passages are arranged, the section of the circulation passage is in rectangular
Shape, evenly distributed several fins on the inner wall of the circulation passage, the fixed closure plate in both sides of the unit plate body, the closure plate
Interior setting cavity, the circulation passage are connected with the cavity, and one end of the closure plate internal cavity is opening, other end setting
Closed plate, the cavity opening of two closure plates on same unit plate body is in oppositely arranged up and down；Several unit plate bodys are along vertical
Row form connected by splicing component, and the closure plate of the neighbouring plate body of Unit two makes the cavity opening of connection closure plate to just connecting
It is connected in sealing, liquid supply pipe is connected on a side stopboard of the unit plate body of bottommost, be located at the unit plate body of topmost
It is connected to liquid back pipe on one side stopboard.
2. ice making according to claim 1 veneer evaporator, which is characterized in that the fin is linear type or wave
The cross sectional shape of type, the fin is arc-shaped or triangle.
3. ice making according to claim 1 veneer evaporator, which is characterized in that fin in each circulation passage
Quantity is 8~20, and the width of the fin is 0.3~1.8mm, and the height of the fin is 0.4~2.1mm, adjacent described
Spacing between fin is 1.2~3.6mm.
4. ice making according to claim 1 veneer evaporator, which is characterized in that the splicing component includes positioned at described
The raised line of unit plate body top side, the raised line are dovetail profile bar body, and the splicing component further includes being located at unit plate body bottom
The groove of side, the groove are dovetail groove, and the raised line, which is inserted into the groove, forms chimeric clamping.
5. ice making according to claim 4 veneer evaporator, which is characterized in that be located at the unit plate body of topmost
It is connected with installation floor, dovetail groove is arranged in the bottom side of the installation floor, and the raised line of unit plate body top side is inserted into the swallow
Chimeric clamping is formed in stern notch.
6. ice making according to claim 1 veneer evaporator, which is characterized in that fixed solid on the lateral wall of the closure plate
There is setting plate and horizontal web, the setting plate to be attached to admittedly on the lateral wall of the closure plate for fixed board, the fixed plate, institute
It states and opens mounting hole in horizontal web.
7. the operation method of veneer evaporator according to claim 1, which is characterized in that include the following steps：
1), evaporator is connected in heat exchange cycle system, the agent that exchanges heat is sent into the liquid supply pipe of evaporator by compressor；
2), heat exchange agent enters in the cell board body of evaporator bottommost, by several circulation passages by an effluent of unit plate body
To the other side, reach the other side and entered in the adjacent cell board body in top by the closure plate communicated again, thus several closure plates with
Snakelike bending flow path is carried out in several unit plate bodys, so that evaporator surface is freezed during heat exchange agent flows through, heat exchange agent is final
Evaporator is flowed out by liquid back pipe；
3), switch path direction, the agent that exchanges heat is sent into the liquid back pipe of evaporator by compressor；
4), heat exchange agent enters in the cell board body of evaporator topmost, by several circulation passages by an effluent of unit plate body
To the other side, reach the other side and entered in the adjacent cell board body in lower section by the closure plate communicated again, thus several closure plates with
Snakelike bending flow path is carried out in several unit plate bodys, so that evaporator surface is heated during heat exchange agent flows through, heat exchange agent is final
Evaporator is flowed out by liquid supply pipe.
8. operation method according to claim 7, which is characterized in that heat exchange agent when flowing through circulation passage with it is convex in it
Rib collides contact so that the turbulivity for the agent that exchanges heat enhances, and extends the heat exchange agent residence time, and fin surface increases and heat exchange agent
Contact area.
9. operation method according to claim 7, which is characterized in that the shape of fin is more complicated, and heat transfer effect is better；It is convex
The quantity of rib is more, and heat transfer effect is better；The specification of fin is bigger, and heat transfer effect is better；The spacing of fin is smaller, heat transfer effect
Better.
10. operation method according to claim 7, which is characterized in that the unit plate body is made of aluminum alloy materials,
The closure plate is made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176910.3A CN108286845A (en) | 2018-03-04 | 2018-03-04 | Ice making veneer evaporator and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176910.3A CN108286845A (en) | 2018-03-04 | 2018-03-04 | Ice making veneer evaporator and its operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286845A true CN108286845A (en) | 2018-07-17 |
Family
ID=62833462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810176910.3A Pending CN108286845A (en) | 2018-03-04 | 2018-03-04 | Ice making veneer evaporator and its operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345677A (en) * | 2019-06-17 | 2019-10-18 | 深圳市中雪制冷设备有限公司 | Module combined type heat exchanger and block ice machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1956331A2 (en) * | 2007-02-07 | 2008-08-13 | Behr America, Inc | Heat exchanger |
| DE102008052785A1 (en) * | 2008-10-22 | 2010-04-29 | Modine Manufacturing Co., Racine | Flat tube for heat exchanger, has two narrow sides and two broadsides formed by three sheet metal strips with deformed longitudinal edges |
| EP2549219A1 (en) * | 2011-07-19 | 2013-01-23 | Frederick Mark Webb | Heat exchanger |
| KR101273933B1 (en) * | 2012-08-29 | 2013-06-12 | 구봉석 | Ice maker |
| KR101825492B1 (en) * | 2017-05-01 | 2018-02-05 | 한국아이스맨 주식회사 | A plate of the ice maker for increasing heat efficiency using the refrigerant to flow sequentially along the flow path |
| CN208075377U (en) * | 2018-03-04 | 2018-11-09 | 青岛三友制冰设备有限公司 | Ice making veneer evaporator |
-
2018
- 2018-03-04 CN CN201810176910.3A patent/CN108286845A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1956331A2 (en) * | 2007-02-07 | 2008-08-13 | Behr America, Inc | Heat exchanger |
| DE102008052785A1 (en) * | 2008-10-22 | 2010-04-29 | Modine Manufacturing Co., Racine | Flat tube for heat exchanger, has two narrow sides and two broadsides formed by three sheet metal strips with deformed longitudinal edges |
| EP2549219A1 (en) * | 2011-07-19 | 2013-01-23 | Frederick Mark Webb | Heat exchanger |
| KR101273933B1 (en) * | 2012-08-29 | 2013-06-12 | 구봉석 | Ice maker |
| KR101825492B1 (en) * | 2017-05-01 | 2018-02-05 | 한국아이스맨 주식회사 | A plate of the ice maker for increasing heat efficiency using the refrigerant to flow sequentially along the flow path |
| CN208075377U (en) * | 2018-03-04 | 2018-11-09 | 青岛三友制冰设备有限公司 | Ice making veneer evaporator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345677A (en) * | 2019-06-17 | 2019-10-18 | 深圳市中雪制冷设备有限公司 | Module combined type heat exchanger and block ice machine |
| CN110345677B (en) * | 2019-06-17 | 2024-02-02 | 深圳市中雪制冷设备有限公司 | Module combined heat exchanger and ice block machine |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210907 Address after: Room 201, No. 511, Weihe Road, Huangdao District, Qingdao, Shandong 266510 Applicant after: Qingdao Huayou ice and snow refrigeration engineering Co.,Ltd. Address before: 266500 No. 73 Furong Road, Huangdao District, Qingdao, Shandong Applicant before: QINGDAO MITUTOMO ICE MACHINE Co.,Ltd. |
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