CN205373176U - Gravity type low pressure circulation solution feed system - Google Patents
Gravity type low pressure circulation solution feed system Download PDFInfo
- Publication number
- CN205373176U CN205373176U CN201620110416.3U CN201620110416U CN205373176U CN 205373176 U CN205373176 U CN 205373176U CN 201620110416 U CN201620110416 U CN 201620110416U CN 205373176 U CN205373176 U CN 205373176U
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- fluid reservoir
- liquid
- gravity type
- low pressure
- type low
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Abstract
The utility model belongs to freezer equipment field relates to solution feed system, especially relates to a gravity type low pressure circulation solution feed system. Including refrigerating unit, still include the liquid storage pot and annotate the fluid reservoir, communicate each other in proper order through the pipeline between refrigerating unit, notes fluid reservoir and the liquid storage pot, the jar of annotating fluid reservoir and liquid storage pot physically and between the abhiseca all communicates through the pipeline. Compared with the prior art, the utility model discloses an advantage lies in with positive effect, the utility model discloses a change traditional solution feed system, provide the liquid storage pot and annotate the fluid reservoir, through the liquid storage pot and the mutual circulation of annotating the refrigerant in the fluid reservoir, ensure the height that liquid was annotated in the liquid storage pot to improve refrigeration effect, reduce evaporating temperature's influence, simultaneously, can increase the liquid scope that supplies, and then reduce the restriction of gravity type refrigerating system's decisive range.
Description
Technical field
This utility model belongs to freezer equipment field, relates to liquid-supplying system, particularly relates to a kind of gravity type low pressure recycle liquid-supplying system.
Background technology
Freezer (coldstorage), is a kind of warehouse utilizing cooling installation to create suitable humidity and cryogenic conditions.It is the place of processing, storage product, the impact of weather can be broken away from, extend the shelf life of various product, to regulate market supply.
In freezer, refrigeration system is by utilizing outside energy to make heat transfer to the system of the higher material of temperature (or environment) from the material (or environment) that temperature is relatively low.nullAt present，Existing cold storage refrigerating system always has three kinds of feed liquid ways，One is differential liquid-supplying system，Also referred to as liquid provision through direct expansion system，This system is to utilize the pressure differential between condensing pressure and evaporating pressure as power，Highly pressurised liquid is fed directly into after reducing pressure by regulating flow the feed liquid way of evaporator refrigeration，Which refrigeration system is simple，But it is uneven to there is feed flow、Heat-transfer effect is impacted、The problem such as wet stroke is easily formed and compressor refrigeratory capacity is low，One is pump liquid-supplying system，Also referred to as forced circulation liquid-supplying system，It enters low pressure recycle liquid receiver after being mainly high pressure ammoniacal liquor warp knuckle stream，Flash gas is separated，Ammoniacal liquor is transported to vaporizer heat absorption evaporation by ammonia pump，Gas and unevaporated liquid that evaporation is formed return low compression ring bucket in the lump and are again separated，Gas and flash gas are siphoned away by compressor，Liquid and supplementary next ammoniacal liquor are for ammonia pump recirculation，It has in vaporizer not easily long-pending oily，Heat-transfer effect is good，The uniform feature of heat supply，But it is big to still suffer from refrigerant charge、Automatically control and the shortcomings such as hysteresis easily occur；Last one is gravity force liquid-supply system, gravity force liquid-supply system mainly by the liquid level difference between low pressure refrigerant liquid level and vaporizer liquid level by gas-liquid separator as power, reach the purpose to vaporizer feed flow, the height of fluid column in this liquid level difference i.e. fluid reservoir.
Therefore, the height of fluid column not only decides the size of the power of refrigeration system, also determine whether whole system easily produces wet stroke phenomenon, but, fluid reservoir in existing gravity force liquid-supply system is single tank, therefore, by the impact of fluid column, its evaporating temperature is affected, particularly in evaporating temperature low time, affect more very, and its feed flow scope is general not easily excessive, and generally centered by gas-liquid separator, radius is just passable within 30m.
Utility model content
This utility model is big for above-mentioned gravity force liquid-supply system evaporating temperature impact, the technical problems such as sphere of action is little, it is proposed to a kind of simple in construction, reasonable in design, easy to use and can improve the gravity type low pressure recycle liquid-supplying system of cooling effect.
In order to achieve the above object, the technical solution adopted in the utility model is, this utility model provides a kind of gravity type low pressure recycle liquid-supplying system, including refrigeration unit, also include fluid reservoir and fluid injection tank, described refrigeration unit, it is interconnected successively by pipeline between fluid injection tank and fluid reservoir, each through pipeline communication between described fluid injection tank and tank body and the abhiseca of fluid reservoir.
As preferably, connecting at least provided with 2 groups of pipelines between described fluid injection tank and the tank body of fluid reservoir.
As preferably, described refrigeration unit includes the device for drying and filtering connected with fluid reservoir, described device for drying and filtering is communicated with gas-liquid separator away from one end of fluid reservoir, described gas-liquid separator is connected to vaporizer and compressor away from one end of device for drying and filtering, described compressor is connected to condenser away from one end of gas-liquid separator, described condenser connects with fluid injection tank, forms closed circuit between described gas-liquid separator and vaporizer.
As preferably, passing through pipeline communication between described fluid injection tank and device for drying and filtering.
As preferably, being disposed with electromagnetic valve, expansion valve between described device for drying and filtering and gas-liquid separator.
As preferably, described expansion valve is hand-operated valve.
As preferably, being provided with stop valve between described gas-liquid separator and compressor.
Compared with prior art, advantage of the present utility model and good effect are in that,
1, this utility model is by changing traditional liquid-supplying system, fluid reservoir and fluid injection tank are provided, by the mutual circulation of the cold-producing medium in fluid reservoir and fluid injection tank, guarantee the height of liquid note in fluid reservoir, thus improving refrigeration, reduce the impact of evaporating temperature, simultaneously, feed flow scope can be increased, and then reduce the restriction of the sphere of action of gravity type refrigeration system.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the gravity type low pressure recycle liquid-supplying system that Fig. 1 provides for embodiment 1；
Above in each figure, 1, refrigeration unit；2, fluid reservoir；3, fluid injection tank；4, device for drying and filtering；5, gas-liquid separator；6, vaporizer；7, compressor；8, condenser；9, electromagnetic valve；10, expansion valve；11, stop valve.
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with drawings and Examples, this utility model is described further.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but, this utility model can also adopt and be different from other modes described here and implement, and therefore, this utility model is not limited to the restriction of the specific embodiment of description described below.
Embodiment, as shown in Figure 1, the present embodiment provides a kind of gravity type low pressure recycle liquid-supplying system, including refrigeration unit, (refrigeration unit described herein is the refrigeration unit that can utilize gravity type liquid-supplying system, it is not limited solely to the refrigeration unit that this utility model provides), also include fluid reservoir and fluid injection tank, refrigeration unit, it is interconnected successively by pipeline between fluid injection tank and fluid reservoir, specifically, refrigeration unit connects with fluid injection tank, fluid injection tank connects with fluid reservoir, fluid reservoir connects with refrigeration unit, for convenient circulation, wherein, connecting pipe between fluid reservoir and refrigeration unit should be arranged on the bottom of fluid reservoir.Each through pipeline communication between tank body and the abhiseca of fluid injection tank and fluid reservoir, by above-mentioned design, utilize the circulation of cold-producing medium between fluid injection tank and fluid reservoir, the cold-producing medium in fluid reservoir is made to ensure certain liquid level, refrigeration unit is made to have good working foundation and then the impact of reduction evaporating temperature, simultaneously, feed flow scope can be increased, reduce the restriction of the sphere of action of gravity type refrigeration system.
In order to make better to coordinate between fluid injection tank and fluid reservoir, to reaching better liquid level effect, in the present embodiment, fluid injection tank and fluid reservoir are designed to two tank bodies being arranged side by side, connect at least provided with 2 groups of pipelines between fluid injection tank and the tank body of fluid reservoir, wherein, pipeline should be at the lower section of 2/3rds of tank body height, by such tank body side by side design and tank body between connection, can better determine the refrigerant level height in fluid reservoir, make the working foundation that the maintenance of whole refrigeration unit is good.
nullIn the present embodiment，Also provide a kind of refrigeration unit specially，The device for drying and filtering that this refrigeration unit includes connecting with fluid reservoir (is used for the solid impurity collecting in refrigeration system and lubricating oil，Anti-locking system and capillary tube and expansion valve block，Guarantee that pipe-line system is unimpeded)，Device for drying and filtering is communicated with gas-liquid separator (for by the gas of cold-producing medium away from one end of fluid reservoir、Liquid binary states is easily separated，Wherein，Gas is delivered to compressor，Liquid is delivered to vaporizer)，Gas-liquid separator is connected to the vaporizer (evaporation endothermic for cold-producing medium away from one end of device for drying and filtering，Make the output unit of whole refrigeration unit) (it is used for the refrigerant compression of gas is become liquid with compressor，It is made to recycle)，Compressor is connected to the condenser (temperature of reduction liquid refrigerant away from one end of gas-liquid separator，It is made better to work)，Condenser connects with fluid injection tank，Closed circuit (forming closed circuit between gas-liquid separator and vaporizer makes the gaseous refrigerant formed in vaporizer flow to compressor by gas-liquid separator) is formed between gas-liquid separator and vaporizer.
By above-mentioned setting, liquid refrigerant is flowed to device for drying and filtering by pipeline by fluid reservoir, after drying filter filters, it is delivered to gas-liquid separator, liquid refrigerant is then fed directly to vaporizer through gas-liquid separator, through evaporator operation, liquid refrigerant is changed into gaseous refrigerant, return to gas-liquid separator, at this moment, gaseous refrigerant is through compressor effect, it is delivered to compressor from gas-liquid separator, through compressor, condenser working, again form is changed, become liquid refrigerant, it is delivered in fluid injection tank, final connection between fluid injection tank and fluid reservoir, complete whole circulation.
For the more convenient cold-producing medium providing liquid for device for drying and filtering, therefore in the present embodiment, pipeline communication is passed through between fluid injection tank and device for drying and filtering, arranged by the pipeline between fluid injection tank and device for drying and filtering, the effect of two aspects can be played, one is that fluid reservoir is when breaking down, may insure that whole system normal operation, two are, better keep the liquid level in fluid reservoir, between fluid injection tank and device for drying and filtering, be provided with electromagnetic valve to better controlling (not shown) by pipeline.
In order to better control whole refrigeration unit, being disposed with electromagnetic valve, expansion valve between device for drying and filtering and gas-liquid separator, be provided with stop valve between gas-liquid separator and compressor, wherein expansion valve is hand-operated valve.
The above; it it is only preferred embodiment of the present utility model; it is not the restriction that this utility model is made other form; the Equivalent embodiments that any those skilled in the art were changed or be modified as equivalent variations possibly also with the technology contents of the disclosure above is applied to other field; but it is every without departing from technical solutions of the utility model content; any simple modification, equivalent variations and remodeling above example made according to technical spirit of the present utility model, still falls within the protection domain of technical solutions of the utility model.
Claims (7)
1. a gravity type low pressure recycle liquid-supplying system, including refrigeration unit, it is characterized in that, also include fluid reservoir and fluid injection tank, described refrigeration unit, it is interconnected successively by pipeline between fluid injection tank and fluid reservoir, each through pipeline communication between described fluid injection tank and tank body and the abhiseca of fluid reservoir.
2. gravity type low pressure recycle liquid-supplying system according to claim 1, it is characterised in that connect at least provided with 2 groups of pipelines between described fluid injection tank and the tank body of fluid reservoir.
3. gravity type low pressure recycle liquid-supplying system according to claim 2, it is characterized in that, described refrigeration unit includes the device for drying and filtering connected with fluid reservoir, described device for drying and filtering is communicated with gas-liquid separator away from one end of fluid reservoir, described gas-liquid separator is connected to vaporizer and compressor away from one end of device for drying and filtering, described compressor is connected to condenser away from one end of gas-liquid separator, described condenser connects with fluid injection tank, forms closed circuit between described gas-liquid separator and vaporizer.
4. gravity type low pressure recycle liquid-supplying system according to claim 3, it is characterised in that pass through pipeline communication between described fluid injection tank and device for drying and filtering.
5. gravity type low pressure recycle liquid-supplying system according to claim 4, it is characterised in that be disposed with electromagnetic valve, expansion valve between described device for drying and filtering and gas-liquid separator.
6. gravity type low pressure recycle liquid-supplying system according to claim 5, it is characterised in that described expansion valve is hand-operated valve.
7. gravity type low pressure recycle liquid-supplying system according to claim 6, it is characterised in that be provided with stop valve between described gas-liquid separator and compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110416.3U CN205373176U (en) | 2016-01-28 | 2016-01-28 | Gravity type low pressure circulation solution feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110416.3U CN205373176U (en) | 2016-01-28 | 2016-01-28 | Gravity type low pressure circulation solution feed system |
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| Publication Number | Publication Date |
|---|---|
| CN205373176U true CN205373176U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620110416.3U Expired - Fee Related CN205373176U (en) | 2016-01-28 | 2016-01-28 | Gravity type low pressure circulation solution feed system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061411A (en) * | 2017-11-28 | 2018-05-22 | 青岛海尔空调电子有限公司 | The coolant injection method and air-conditioning of air-conditioning |
-
2016
- 2016-01-28 CN CN201620110416.3U patent/CN205373176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061411A (en) * | 2017-11-28 | 2018-05-22 | 青岛海尔空调电子有限公司 | The coolant injection method and air-conditioning of air-conditioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20190128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |