CN107917565B - Intensive freezing device for aquatic products - Google Patents
Intensive freezing device for aquatic products Download PDFInfo
- Publication number
- CN107917565B CN107917565B CN201711040551.0A CN201711040551A CN107917565B CN 107917565 B CN107917565 B CN 107917565B CN 201711040551 A CN201711040551 A CN 201711040551A CN 107917565 B CN107917565 B CN 107917565B
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- Prior art keywords
- heating wire
- electric heating
- bin
- ice
- freezing
- 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.)
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- 238000007710 freezing Methods 0.000 title claims abstract description 44
- 230000008014 freezing Effects 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 238000005485 electric heating Methods 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005389 magnetism Effects 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
- 238000004064 recycling Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
Classifications
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- 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/11—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
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- 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
- F25D23/00—General constructional features
-
- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
-
- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
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)
Abstract
The patent application relates to the field of aquatic product processing, in particular to an aquatic product intensive freezing device, the scheme comprises a quick freezing chamber and a conveyor belt, a water tank is arranged on the quick freezing chamber, the water tank is connected with a water delivery conduit, the water delivery conduit is connected with a timing valve, a storage box is placed on the conveyor belt, a plurality of layers of electric heating wire nets are sequentially arranged in the storage box from top to bottom at intervals, each layer of electric heating wire net is formed by tiling a plurality of electric heating wires, the electric heating wires penetrate through the storage box, fasteners fix two ends of the electric heating wires on the storage box, the quick freezing chamber is connected with an electric box, the electric box is connected with a plurality of electric heating wires through wires and used; through laying the heating wire in the bin with the tiling aquatic products before freezing, heat the ice in order to dissolve on the heating wire to the heating wire after freezing, then take out from the heating wire, above-mentioned scheme makes aquatic products evenly distributed in the bin, has improved the utilization ratio of ice-cube, and freezes the article and be difficult to the adhesion together.
Description
Technical Field
The invention relates to the field of aquatic product processing, in particular to an aquatic product freezing device.
Background
In order to prevent the aquatic products from rotting and deteriorating during transportation and storage, the aquatic products need to be frozen and then transported and stored. There are many ways of freezing aquatic products, one of which is to wrap ice completely around the aquatic products, the mode is completed by a quick freezing device, and the invention patent with the publication number of CN103504447A discloses a quick freezing device capable of reducing the quality of frozen products, the scheme comprises a quick freezing chamber, wherein an ice hole forming mechanism is arranged in the quick freezing chamber, the ice hole forming mechanism comprises an ice hole shaping column and a first lifting mechanism which can lift and connect the ice hole shaping column in the quick freezing chamber, the quick freezing chamber is also internally provided with an ice hole capping mechanism, the ice hole capping mechanism comprises an ice cover forming pipe, a removable pipe cover covered at the lower end of the ice cover forming pipe, a water supply mechanism for supplying water into the ice cover forming pipe, an ice cover ejection pin aligned with the ice cover forming pipe and a second lifting mechanism for driving the ejection pin to lift, and the lower end of the ice cover forming pipe is provided with an ice cover forming section. When the device is used, when an article to be frozen, which is contained in an open container and soaked in water, is positioned below an ice hole forming mechanism, a first lifting mechanism enables an ice hole forming column to be lowered to be soaked in water to extrude the water in a water container, the first lifting mechanism enables the ice hole forming column to be lifted after the water in the container is frozen, the ice hole forming column is separated from the ice to form an ice hole, the weight of the ice is reduced due to the formation of the ice hole, and the effect of reducing the weight of a frozen article is achieved, firstly, a pipe cover is covered at the lower end of the ice cover forming pipe, then, a water supply mechanism conveys the water into the ice cover forming pipe, the water in the ice cover forming pipe is frozen into ice (the ice formed in the ice cover forming pipe is called as an ice cover), then, the pipe cover is moved away from the lower end of the ice cover forming pipe to lose the plugging effect on the ice cover forming pipe, the frozen article is moved to be positioned below the ice cover forming pipe, the ice hole is aligned with the ice cover forming pipe, and a second lifting mechanism enables an ice cover, the ice cover ejecting pin is inserted into the ice cover forming pipe to eject the ice cover out of the ice cover forming pipe, a small amount of water is generated on the peripheral surface of the ice cover in the ice cover ejecting process, the ice cover falls into the ice hole to cover the ice hole, and the water on the peripheral surface of the ice cover is frozen to fix the ice cover and the ice hole together. The ice cover is arranged, so that the contact area between ice in the frozen product and air can be reduced, and the ice in the frozen product is not easy to melt due to the small contact area. The weight of the frozen product can be reduced without substantially reducing the thawing time of the frozen product.
Above-mentioned scheme though can reduce the quality of frozen article to a certain extent, nevertheless because aquatic products always sink and pile up the bin bottom, lead to aquatic products uneven distribution in the bin, reduced the utilization ratio of ice-cube, and frozen article are in the same place the adhesion easily.
Disclosure of Invention
The invention aims to provide an aquatic product intensive freezing device to solve the problems that aquatic products in existing aquatic product freezing equipment are not uniformly distributed in a storage box, the utilization rate of ice blocks is reduced, and frozen products are easily adhered together.
This scheme is including freezing room and conveyer belt soon, be equipped with the water tank on the quick-freeze room, the water tank is connected with the water delivery pipe, be connected with timing valve on the water delivery pipe, the bin has been placed on the conveyer belt, multilayer electric heat wire net has been set up in the bin, and every layer of electric heat wire net is formed by a plurality of heating wires tiling, and the heating wire pierces through the bin, and the fastener is fixed the heating wire both ends on the bin, be connected with the electronic box on the quick-freeze room, the electronic box is connected with a plurality of electro-magnet sticks that are used for connecting the heating wire through the wire, the electro-.
The technical principle and the beneficial effects of the scheme are as follows: the electric heating wire penetrates through the storage box to be laid in the storage box, two ends of the electric heating wire are fixed on the storage box through fasteners, then the aquatic products are flatly laid on the electric heating wire net, the electric heating wire and the flatly laid aquatic products are laid layer by layer, a timing valve on the water delivery conduit is opened, water is filled into the storage box, the storage box is conveyed into the quick freezing chamber by the conveyor belt in operation to be quickly frozen, after the storage box is completely frozen, the storage box is conveyed out of the quick freezing chamber by the conveyor belt, an electric box switch is opened, an electromagnet rod is electrified to be magnetized, attraction force is generated between the electromagnet rod and the electric heating wire, the electromagnet rod is caused to move towards the electric heating wire due to the fact that the electric heating wire is fixed on the storage box and cannot move, finally the electromagnet rod is connected with the electric heating, the heating wire is taken out the bin and is recycled, and aquatic products freeze and accomplish, through the evenly distributed that makes aquatic products in the bin, improved the utilization ratio of ice-cube, and frozen article are difficult to the adhesion together, have solved the aquatic products that exist among the current aquatic products refrigeration plant and have distributed unevenly in the bin, have reduced the utilization ratio of ice-cube, and frozen article problem together of adhesion easily.
Further optimization: a plurality of liquid nitrogen spray heads are arranged in the quick-freezing chamber; through setting up a plurality of liquid nitrogen shower nozzles, can improve the refrigeration efficiency of freezing room.
Further optimization: the conveying belt is provided with strip-shaped patterns; through set up the bar decorative pattern on the conveyer belt, played skid-proof effect, prevent that the bin after freezing from skidding unstable problem in transportation.
Further optimization: the heating time of the electric heating wire is one minute; heating wire heat time overlength can lead to the ice-cube to melt in a large number, influences the refrigeration effect of aquatic products, and the heat time overlength leads to the ice-cube on the heating wire to melt completely, can't extract the heating wire, and preferred minute time melts and takes out the ice-cube on the heating wire completely just.
Further optimization: the maximum heating temperature of the electric heating wire is 67 ℃; the aquatic products tiled on it will be influenced to the high temperature of heating wire heating, and the low temperature of heating then probably leads to the ice-cube on the heating wire not to melt completely and can not take out from, and preferred 67 ℃, can melt the ice-cube on the heating wire completely just and take out from.
Further optimization: an impurity filter is arranged on the water delivery conduit; the water in the storage box is filtered, so that impurities are prevented from entering the storage box to pollute aquatic products.
Further optimization: the fastening piece is a butterfly nut; the butterfly nut is simple in structure and convenient to disassemble and maintain in the using process.
Drawings
FIG. 1 is a schematic view of an embodiment of the invention of a dense freezing device for aquatic products.
Fig. 2 is a state diagram when the storage tank is filled with water.
Fig. 3 is a diagram showing the heating state of the heating wire after the storage box is frozen.
Fig. 4 is a plan view of the storage box.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the system comprises a quick freezing chamber 1, a liquid nitrogen spray head 11, a conveyor belt 2, a water tank 3, a water delivery conduit 31, an impurity filter 32, a timing valve 33, a storage tank 4, an electric heating wire 5, a butterfly nut 51, an electric box 6, a lead 61, an electromagnet rod 62 and aquatic products 7.
The embodiment is basically as shown in the attached figures 1-4: this scheme is including freezing room 1 and conveyer belt 2 soon, it is equipped with water tank 3 on the room 1 to freeze soon, water tank 3 is connected with water delivery pipe 31, be connected with timing valve 33 on the water delivery pipe, bin 4 has been placed on conveyer belt 2, set up multilayer heating wire 5 net in bin 4, every layer of heating wire 5 net is formed by 5 tiling of a plurality of heating wires, and heating wire 5 pierces through the bin 4 body, and the fastener is fixed 5 both ends of heating wire on the bin 4 body, freeze the room 1 soon and be connected with electronic box 6, electronic box 6 is connected with the electro-magnet stick 62 that is used for connecting heating wire 5 through wire 61, electro-magnet stick 62 keeps setting up perpendicularly with conveyer belt 2.
Four liquid nitrogen spray nozzles 11 are arranged in the quick freezing chamber 1, so that the freezing efficiency of the quick freezing chamber 1 can be improved; the water tank 3 is arranged on the quick freezing chamber 1, the water tank 3 is connected with the water delivery conduit 31, the water delivery conduit 31 is connected with the impurity filter 32, more water entering the storage tank 4 can be filtered, and pollution to aquatic products in the storage tank 4 is prevented; a timing valve 33 is connected to the water delivery pipe 31 to control the amount of water entering the storage tank 4. Bin 4 is placed on conveyer belt 2, is equipped with the bar decorative pattern on the conveyer belt 2, has played skid-proof effect to bin 4.
Set up three-layer heating wire 5 net in bin 4 for laying aquatic products 7, butterfly nut 51 is fixed on the bin 4 body with heating wire 5 both ends, make it keep tight and support aquatic products 7, be connected with electronic box 6 on the room 1 that freezes soon, electronic box 6 is connected with electromagnetism iron rod 62 through wire 61, produce magnetism after the circular telegram of electromagnetism iron rod 62, electromagnetism iron rod 62 keeps perpendicular setting with conveyer belt 2, be favorable to behind the circular telegram of electromagnetism iron rod 62 and the heating wire 5 attracts to link to each other and produce closed circuit.
The specific embodiment of the invention is as follows: the electric heating wire 5 penetrates through the storage box 4 to be laid in the storage box 4, two ends of the electric heating wire 5 are fixed on the storage box 4 through the butterfly nuts 51, then the aquatic products are flatly laid on the electric heating wire 5, the electric heating wire 5 and the flatly laid aquatic products are laid layer by layer, the timing valve 33 on the water delivery conduit 31 is opened, the storage box 4 is filled with water, the storage box 4 is conveyed into the instant freezing chamber 1 to be quickly frozen by the operation of the conveyor belt 2, after the storage box 4 is completely frozen, the storage box 4 is conveyed out of the instant freezing chamber 1 by the conveyor belt 2, the switch of the electric box 6 is opened, the electromagnet rod 62 is electrified to be magnetized, attraction force is generated between the electromagnet rod 62 and the electric heating wire 5, the electromagnet rod 62 moves towards the electric heating wire 5 due to the fact that the electric heating wire 5 is fixed on the storage box 4 and cannot move, finally the electromagnet, the ice on the surface of the heating wire 5 is melted, at this time, the heating is stopped, the butterfly nut 51 is adjusted, the heating wire 5 is drawn out of the storage box 4 for recycling, and the frozen storage box 4 is output along the conveyor belt 2.
The above description is only an example of the present invention, and general knowledge of the technical solutions and the like known in the art is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides an intensive freezing device of aquatic products, is including fast freezing room and conveyer belt, be equipped with the water tank on the fast freezing room, the water tank is connected with the water delivery pipe, be connected with timing valve on the water delivery pipe, the bin has been placed on the conveyer belt, its characterized in that: the bin is internally provided with a plurality of layers of electric heating wire nets at intervals from top to bottom in sequence, each layer of electric heating wire net is formed by tiling a plurality of heating wires, the heating wires penetrate through the bin, the fasteners fix the two ends of the heating wires on the bin, the freezing chamber is connected with an electric box, the electric box is connected with a plurality of electromagnet rods used for connecting the heating wires through wires, and the electromagnet rods and the conveyor belt are vertically arranged.
2. An aquatic product dense freezing device according to claim 1, characterized in that: and a plurality of liquid nitrogen spray heads are arranged in the quick-freezing chamber.
3. An aquatic product dense freezing device according to claim 1, characterized in that: and the conveying belt is provided with strip-shaped patterns.
4. An aquatic product dense freezing device according to claim 1, characterized in that: the heating time of the electric heating wire is one minute.
5. An aquatic product dense freezing device according to claim 1, characterized in that: the maximum temperature heated by the heating wire was 67 ℃.
6. An aquatic product dense freezing device according to claim 1, characterized in that: and the water delivery conduit is provided with an impurity filter.
7. An aquatic product dense freezing device according to claim 1, characterized in that: the fastener is a butterfly nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040551.0A CN107917565B (en) | 2017-10-30 | 2017-10-30 | Intensive freezing device for aquatic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040551.0A CN107917565B (en) | 2017-10-30 | 2017-10-30 | Intensive freezing device for aquatic products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107917565A CN107917565A (en) | 2018-04-17 |
| CN107917565B true CN107917565B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711040551.0A Active CN107917565B (en) | 2017-10-30 | 2017-10-30 | Intensive freezing device for aquatic products |
Country Status (1)
| Country | Link |
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| CN (1) | CN107917565B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895702B (en) * | 2020-08-31 | 2021-11-23 | 烟台海裕食品有限公司 | Firm range upon range of aquatic products refrigerating plant of block |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171827Y (en) * | 1993-09-29 | 1994-07-13 | 柯耀霖 | Multi-layer continous freezing machine for food |
| US5836166A (en) * | 1996-06-10 | 1998-11-17 | The Boc Group Plc | Cooling apparatus |
| CN103504447A (en) * | 2013-08-28 | 2014-01-15 | 浙江海洋学院 | Quick-freezing device capable of reducing weight of frozen products |
| CN103791671A (en) * | 2014-02-28 | 2014-05-14 | 山东绿特空调***有限公司 | Instant freezer |
| CN204038189U (en) * | 2014-08-15 | 2014-12-24 | 浙江源泰水产食品有限公司 | Quick-frozen seasoning green grass or young crops accounts for fish |
| CN104534763A (en) * | 2014-12-18 | 2015-04-22 | 重庆欣泰发食品有限公司 | Continuous and quick freezing device for meat |
| CN107084578A (en) * | 2017-03-13 | 2017-08-22 | 舟山汇丰冷藏物流发展有限公司 | A kind of quick-freezing plant of aquatic products |
| CN107166837A (en) * | 2017-07-15 | 2017-09-15 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of fluidization liquid nitrogen frozen equipment for avoiding granular food from bonding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011143964A (en) * | 2010-01-14 | 2011-07-28 | Kiyoshi Hayakawa | Frozen storage container |
-
2017
- 2017-10-30 CN CN201711040551.0A patent/CN107917565B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171827Y (en) * | 1993-09-29 | 1994-07-13 | 柯耀霖 | Multi-layer continous freezing machine for food |
| US5836166A (en) * | 1996-06-10 | 1998-11-17 | The Boc Group Plc | Cooling apparatus |
| CN103504447A (en) * | 2013-08-28 | 2014-01-15 | 浙江海洋学院 | Quick-freezing device capable of reducing weight of frozen products |
| CN103791671A (en) * | 2014-02-28 | 2014-05-14 | 山东绿特空调***有限公司 | Instant freezer |
| CN204038189U (en) * | 2014-08-15 | 2014-12-24 | 浙江源泰水产食品有限公司 | Quick-frozen seasoning green grass or young crops accounts for fish |
| CN104534763A (en) * | 2014-12-18 | 2015-04-22 | 重庆欣泰发食品有限公司 | Continuous and quick freezing device for meat |
| CN107084578A (en) * | 2017-03-13 | 2017-08-22 | 舟山汇丰冷藏物流发展有限公司 | A kind of quick-freezing plant of aquatic products |
| CN107166837A (en) * | 2017-07-15 | 2017-09-15 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of fluidization liquid nitrogen frozen equipment for avoiding granular food from bonding |
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| CN107917565A (en) | 2018-04-17 |
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Effective date of registration: 20201207 Address after: Room 416-1, Chuangye building, 66 Yuanshi Road, hi tech Zone, Ningbo City, Zhejiang Province Patentee after: Zhejiang powerful Weizhi Intellectual Property Operation Co.,Ltd. Address before: Before the Tang Xiangshan County Shipu town gate 315700 Zhejiang city of Ningbo province (Water Park) Patentee before: XIANGSHAN YUANYANG FROZEN PRODUCT Co.,Ltd. |
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Effective date of registration: 20210104 Address after: Room 7088-230, 7 / F, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315200 Patentee after: NINGBO LONGRUI MACHINERY MANUFACTURE Co.,Ltd. Address before: Room 416-1, Chuangye building, 66 Yuanshi Road, hi tech Zone, Ningbo City, Zhejiang Province Patentee before: Zhejiang powerful Weizhi Intellectual Property Operation Co.,Ltd. |
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Effective date of registration: 20240528 Address after: No. 1068 He'an Road, Linhupuzhuang Town, Wuzhong District, Suzhou City, Jiangsu Province, 215000 Patentee after: Sujiang Aquatic Products (Jiangsu) Co.,Ltd. Country or region after: China Address before: Room 7088-230, 7 / F, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315200 Patentee before: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Country or region before: China |