CN212778141U - Defrosting system of low-temperature refrigeration house evaporator - Google Patents
Defrosting system of low-temperature refrigeration house evaporator Download PDFInfo
- Publication number
- CN212778141U CN212778141U CN202021518525.1U CN202021518525U CN212778141U CN 212778141 U CN212778141 U CN 212778141U CN 202021518525 U CN202021518525 U CN 202021518525U CN 212778141 U CN212778141 U CN 212778141U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- evaporimeter
- cooling water
- water pool
- water
- 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
Landscapes
- Defrosting Systems (AREA)
Abstract
The utility model discloses a low temperature freezer evaporimeter defrosting system belongs to cold-stored freezer technical field. This system includes cooling water pool, evaporimeter, spray set and controller, spray set establishes the top at the evaporimeter, spray set passes through pipeline A and is connected with cooling water pool, be equipped with circulating pump A on the pipeline A, the bottom of evaporimeter is equipped with the water collector, the bottom of water collector passes through pipeline B and is connected with cooling water pool, controller and circulating pump A, evaporimeter electric connection. The evaporator is defrosted by using water in the cooling water pool, the cooling water pool is an existing facility, additional new construction is not needed, and the cost and the energy consumption are low. The pipeline B is sealed by water in the submerged bend, so that the external air is prevented from entering the refrigeration house through the pipeline B. The submerged elbow section is heated through the electric heating wire, so that the submerged elbow is prevented from being blocked due to icing. The water after defrosting helps to reduce the water temperature in the cooling water pool, and is favorable for cooling the condenser.
Description
Technical Field
The utility model relates to a low temperature freezer evaporimeter defrosting system belongs to cold-stored freezer technical field.
Background
The evaporator plays a crucial role in the refrigeration system of the refrigeration house, and the refrigeration compressor and the evaporator can only be reasonably matched and combined to enable the whole refrigeration system of the refrigeration house to exert a better effect. The existing evaporator is easy to frost when refrigerating in a refrigeration house, the evaporator needs to be defrosted regularly, the evaporator needs to be heated up when defrosting in the prior art, more heat energy needs to be consumed in the defrosting process, and the heat energy can cause the temperature of the refrigeration house to follow the return temperature, so that the refrigerating effect of the refrigeration house is influenced. Chinese patent publication No. CN205373233U discloses a defrosting apparatus for an air-cooled finned evaporator of a-60 ℃ freezer, in which an unsaturated solution spray flushing device is provided on the evaporator, and a-35 ℃ low-temperature unsaturated solution is used in the-60 ℃ freezer to defrost the evaporator, so that the temperature of the freezer can be greatly increased during defrosting. However, defrosting the evaporator requires preparation of an unsaturated solution and lowering the temperature of the unsaturated solution to-35 ℃, which is costly and energy intensive.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a defrosting system of low temperature freezer evaporimeter.
The utility model discloses a following technical scheme can realize:
the utility model provides a low temperature freezer evaporimeter system of defrosting, includes cooling water pool, evaporimeter, spray set and controller, spray set establishes the top at the evaporimeter, spray set passes through pipeline A and is connected with the cooling water pool, be equipped with circulating pump A on the pipeline A, the bottom of evaporimeter is equipped with the water collector, the bottom of water collector is passed through pipeline B and is connected with the cooling water pool, controller and circulating pump A, evaporimeter electric connection.
And a single valve is arranged between the circulating pump A and the spraying assembly on the pipeline A.
The spray assembly comprises a spray transverse pipe, and a plurality of spray heads are arranged at the bottom of the spray transverse pipe.
And a submerged elbow is arranged on the pipeline B.
And an electric heating wire is wound on the outer side of the submerged elbow.
The submerged elbow is provided with a temperature sensor A, and the temperature sensor A and the electric heating wire are both electrically connected with the controller.
The controller is electrically connected with a temperature sensor B arranged in the cold storage.
And a water replenishing pipe is arranged on the cooling water pool.
The beneficial effects of the utility model reside in that: the evaporator is defrosted by using water in the cooling water pool, the cooling water pool is an existing facility, additional new construction is not needed, and the cost and the energy consumption are low. The pipeline B is sealed by water in the submerged bend, so that the external air is prevented from entering the refrigeration house through the pipeline B. The submerged elbow section is heated through the electric heating wire, so that the submerged elbow is prevented from being blocked due to icing. The water after defrosting helps to reduce the water temperature in the cooling water pool, and is favorable for cooling the condenser.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a cooling water pool, 2-a pipeline A, 3-a circulating pump A, 4-a single valve, 5-an evaporator, 6-a spray transverse pipe, 7-a spray head, 8-a refrigerant injection pipe, 9-a refrigeration component, 10-a circulating pump B, 11-a refrigerant return pipe, 12-a cooling tower, 13-a pipeline B, 14-a submerged bend, 15-an electric heating wire and 16-a water replenishing pipe.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a low temperature freezer evaporimeter system of defrosting, including cooling water pool 1, evaporimeter 5, spray assembly and controller, spray assembly installs in the top of evaporimeter 5, spray assembly passes through pipeline A2 and is connected with cooling water pool 1, install circulating pump A3 on the pipeline A2, the bottom of evaporimeter 5 is equipped with the water collector, the bottom of water collector is passed through pipeline B13 and is connected with cooling water pool 1, controller and circulating pump A3, 5 electric connection of evaporimeter. The water in the cooling water pool 1 is used for cooling the refrigerating unit, and the cooling water pool 1 is an original facility and does not need to be additionally newly built. When the evaporator 5 needs defrosting, the fans in the refrigerating unit and the evaporator 5 stop running, the circulating pump A3 is started to pump water in the cooling water pool 1 to the spraying assembly, water is sprayed to the top of the evaporator 5 through the spraying assembly to defrost the evaporator 5, water formed after the spraying water and the defrosting are collected through the water receiving disc, the water collected by the water receiving disc flows back to the cooling water pool 1 through the pipeline B13, so that the water can be recycled, and the water formed after defrosting has a cooling effect on the water in the cooling water pool 1. The evaporator 5 is defrosted by using the water in the cooling water pool 1, the cooling water pool is an existing facility, no additional new construction is needed, and the cost and the energy consumption are low.
A single valve 4 is arranged on the pipeline A2 between the circulating pump A3 and the spray assembly. The water in the pipe a2 is prevented from flowing back.
The spray assembly comprises a horizontal spray pipe 6, and a plurality of spray heads 7 are mounted at the bottom of the horizontal spray pipe 6.
The pipeline B13 is provided with a submerged bend 14. The pipeline B13 is sealed by the water in the submerged elbow 14, so that the external air is prevented from entering the refrigeration house through the pipeline B13.
An electric heating wire 15 is wound on the outer side of the submerged elbow 14. The submerged elbow 14 is heated by the electric heating wire 15, so that the submerged elbow 14 is prevented from being blocked due to icing.
The submerged elbow 14 is provided with a temperature sensor A, and the temperature sensor A and the electric heating wire 15 are both electrically connected with the controller.
The controller is electrically connected with a temperature sensor B installed in the cold storage.
And a water replenishing pipe 16 is arranged on the cooling water pool 1.
Specifically, as shown in fig. 1, the refrigeration unit includes an evaporator 5 and a refrigeration assembly 9, the refrigeration assembly 9 includes a compressor and a condenser, an inlet of the compressor is connected to an outlet of the evaporator 5 through a refrigerant return pipe 11, an outlet of the compressor is connected to an inlet of the condenser through a pipe C, the condenser is connected to an inlet of the evaporator 5 through a refrigerant injection pipe 8, and a throttle valve and an expansion valve are installed on the refrigerant injection pipe 8. The cooling liquid inlet of the condenser is connected with the cooling water pool 1 through a pipeline D, a circulating pump B10 is installed on the pipeline D, and the cooling liquid outlet of the condenser is connected with the cooling water pool 1 through a pipeline F and a cooling tower 12.
Low temperature freezer evaporimeter defrosting system, its theory of operation or use as follows:
when the defrosting time preset by the controller is reached. The fans of the refrigeration unit and the evaporator 5 are stopped. The circulating pump A3 is started, water in the cooling water pool 1 is pumped into the horizontal spray pipe 6 and the spray head 7 through the pipeline A2, the water sprays downwards from the top of the evaporator 5 to flush frost, the water formed after the spraying water and the defrosting are collected through the water receiving disc, the water collected by the water receiving disc returns to the cooling water pool 1 through the pipeline 13 to be recycled, and the water formed after the defrosting can help to reduce the temperature of the water in the cooling water pool 1.
When the temperature in the cold storage is higher than the set temperature and defrosting is finished, the refrigerating unit operates to reduce the temperature in the cold storage.
In conclusion, the evaporator 5 is defrosted by using the water in the cooling water tank 1, the cooling water tank is an existing facility, no new construction is needed, and the cost and the energy consumption are low. The pipeline B13 is sealed by the water in the submerged elbow 14, so that the external air is prevented from entering the refrigeration house through the pipeline B13. The submerged elbow 14 section is heated by the electric heating wire 15, so that the submerged elbow 14 is prevented from being blocked by icing. The defrosted water helps to reduce the temperature of the water in the cooling water tank 1, and is beneficial to cooling the condenser.
Claims (8)
1. The utility model provides a low temperature freezer evaporimeter defrosting system which characterized in that: including cooling water pool (1), evaporimeter (5), spray set and controller, spray set establishes the top in evaporimeter (5), spray set passes through pipeline A (2) and is connected with cooling water pool (1), be equipped with circulating pump A (3) on pipeline A (2), the bottom of evaporimeter (5) is equipped with the water collector, the bottom of water collector is passed through pipeline B (13) and is connected with cooling water pool (1), controller and circulating pump A (3), evaporimeter (5) electric connection.
2. The cryogenic refrigerator evaporator defrosting system of claim 1 further comprising: and a single valve (4) is arranged between the circulating pump A (3) and the spraying assembly on the pipeline A (2).
3. The cryogenic refrigerator evaporator defrosting system of claim 1 further comprising: the spray assembly comprises a horizontal spray pipe (6), and a plurality of spray heads (7) are arranged at the bottom of the horizontal spray pipe (6).
4. The cryogenic refrigerator evaporator defrosting system of claim 1 further comprising: and a submerged elbow (14) is arranged on the pipeline B (13).
5. The cryocooler evaporator defrosting system according to claim 4 further comprising: an electric heating wire (15) is wound on the outer side of the submerged elbow (14).
6. The cryogenic refrigerator evaporator defrosting system of claim 5 further comprising: the submerged elbow (14) is provided with a temperature sensor A, and the temperature sensor A and the electric heating wire (15) are electrically connected with the controller.
7. The cryogenic refrigerator evaporator defrosting system of claim 1 further comprising: the controller is electrically connected with a temperature sensor B arranged in the cold storage.
8. The cryogenic refrigerator evaporator defrosting system of claim 1 further comprising: and a water replenishing pipe (16) is arranged on the cooling water pool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518525.1U CN212778141U (en) | 2020-07-28 | 2020-07-28 | Defrosting system of low-temperature refrigeration house evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518525.1U CN212778141U (en) | 2020-07-28 | 2020-07-28 | Defrosting system of low-temperature refrigeration house evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778141U true CN212778141U (en) | 2021-03-23 |
Family
ID=75039879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021518525.1U Active CN212778141U (en) | 2020-07-28 | 2020-07-28 | Defrosting system of low-temperature refrigeration house evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778141U (en) |
-
2020
- 2020-07-28 CN CN202021518525.1U patent/CN212778141U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109163576B (en) | Anti-freezing energy-saving heat pipe cooling system and control method thereof | |
| CN104633988A (en) | Air-cooling cold and hot water air conditioning system and control method thereof | |
| CN105020961A (en) | Cold accumulation fresh-keeping storehouse and fresh-keeping method | |
| CN102466416B (en) | Temperature regulation method for cooling tower | |
| KR100881328B1 (en) | Heat Pump apparatus | |
| CN212778141U (en) | Defrosting system of low-temperature refrigeration house evaporator | |
| CN109751692B (en) | Air conditioner lampblack absorber integrated system | |
| CN202133042U (en) | Water-cooling domestic air conditioner with improved outdoor unit heat exchanger | |
| CN204478579U (en) | Wind cooling cold and hot water air-conditioning system | |
| CN207196998U (en) | A kind of high performance solar pump gas liquefied natural gas system using defrost waste water | |
| CN205332643U (en) | Device that keeps frostless work of evaporimeter | |
| CN205373233U (en) | - 60 DEG C of white equipment of freezer forced air cooling finned evaporator ization | |
| CN204141775U (en) | A kind of water cold storage refrigeration system | |
| CN208687906U (en) | A kind of air source air conditioning group of winter heating's frost-free | |
| CN207540196U (en) | A kind of foaming agent production evaporative condenser | |
| CN214120502U (en) | Energy-saving consumption-reducing efficient refrigeration equipment system | |
| CN104329749A (en) | Chilled water storage refrigeration device | |
| CN206771790U (en) | A kind of intelligent heavy-load quickly cooling ice maker | |
| CN204141777U (en) | A kind of water cold storage spray-sucking type refrigeration system | |
| CN203024478U (en) | Spray air-cooled heat pump air conditioner | |
| CN214172613U (en) | Laboratory refrigerating system | |
| CN2465129Y (en) | Water flushing defrost system for refrigerator | |
| CN104197454A (en) | Cold suction type water cold accumulation refrigerating device | |
| CN205066014U (en) | Ice cold -storage sprays heat recovery refrigerating plant | |
| CN213395864U (en) | Energy-saving device for air conditioner condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |