CN209672632U - A kind of efficient low refrigerant charge free convection cooling grid of injecting type - Google Patents
A kind of efficient low refrigerant charge free convection cooling grid of injecting type Download PDFInfo
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- CN209672632U CN209672632U CN201920238522.3U CN201920238522U CN209672632U CN 209672632 U CN209672632 U CN 209672632U CN 201920238522 U CN201920238522 U CN 201920238522U CN 209672632 U CN209672632 U CN 209672632U
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- inner chamber
- injector
- chamber body
- outer chamber
- liquid feeding
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Abstract
The utility model discloses a kind of efficient low refrigerant charge free convection cooling grids of injecting type.The utility model includes inner chamber body and outer chamber, and inner chamber body is placed in outer chamber, and return gas channel slot is formed between inner chamber body and outer chamber；Inner chamber body is surrounded by internal cavity plate, and injector is uniformly installed in inner chamber body bottom, and injector is inversed taper platform shape, the lower end of each injector and return gas channel slot connection；Outer chamber has substrate and outer cover plate to surround, the bottom surface of outer chamber is substrate, base lower surface is connect with multi-disc fin, outer cover plate is cavity rectangular channel, the end face center and return line connection of outer chamber, one end of liquid feeding pipeline passes through return line side tube wall and enters in return line, the other end and inner chamber body upper surface connection of liquid feeding pipeline.Evaporator described in the utility model realizes the branching process of refrigerant using injector, and structure is simple, effectively reduces the charging amount of refrigerant.
Description
Technical field
The utility model relates to refrigerating plant research fields, and in particular to a kind of efficient low refrigerant charge of injecting type from
Right convection calandria evaporator.
Background technique
The broken ring of ozone layer is on the rise with the problem of global warming, improves own efficiency and the reduction of refrigerating plant
The refrigerant charge of refrigeration system is that the hot spot in the field is also technological difficulties.From the perspective of economy and safety,
There is still a need for a large amount of research investments for the heat exchange equipment of high efficiency and low refrigerant charge.So far, in cold storage refrigerating system
In component, evaporator is the main heat exchange equipment in Warehouse System, can be divided into two major classes according to its application field, one kind is cold
Blower (finned evaporator), one kind are heat exchange evaporation comb.Heat exchange evaporation comb is widely used in low temperature food product storing field.Currently, city
There are still following problems for heat exchange evaporation comb in: (1) refrigerant charge is big, poor safety performance, especially ammonia system, big charging amount
There are major safety risks for heat exchange evaporation comb；(2) each branch liquid separation is uneven, and refrigerating capacity is caused to decline, tubing waste；(3) volume
It is huge, inconvenience installation.In conclusion there is an urgent need to design a kind of efficient low refrigerant charge natural convection comb evaporation
Device, it is above-mentioned to solve the problems, such as.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of efficient low refrigerant charge of injecting type is naturally right
Cooling grid is flowed, while reducing refrigerant charge, heat exchange efficiency can be improved, save material, reduces investment recycling
Phase.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of efficient low refrigerant charge natural convection cooling grid of injecting type, which is characterized in that including inner cavity
Body and outer chamber, inner chamber body are placed in outer chamber, and return gas channel slot is formed between inner chamber body and outer chamber；Inner chamber body is by internal cavity
Plate surrounds, and injector is uniformly installed in inner chamber body bottom, and injector is inversed taper platform shape, the lower end of each injector and return gas channel
Slot connection；Outer chamber has substrate and outer cover plate to surround, and the bottom surface of outer chamber is substrate, and base lower surface is connect with multi-disc fin,
Outer cover plate is cavity rectangular channel, and one end of the end face center and return line connection of outer chamber, liquid feeding pipeline passes through return line
Side tube wall enters in return line, the other end and inner chamber body upper surface connection of liquid feeding pipeline.
The liquid feeding end diameter of the injector is big, and the hydrojet end diameter of injector is small, and liquid feeding end connects with hydrojet end chamfering
It connects.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model patent compares existing cooling grid, and the evaporator realizes refrigerant using injector
Branching process, structure is simple, effectively reduces the charging amount of refrigerant.
(2) the utility model patent compares existing cooling grid, and the refrigerant of the evaporator is sprayed through injector
Refrigerant to upper surface of base plate is distributed in symmetrical liquid drop, improves its heat transfer effect.
(3) the utility model patent compares existing calandria evaporator, and the evaporator is carried out using fin and air
Cooling capacity transmitting is realized in free convection, reduces the cost of evaporator.
Detailed description of the invention
Fig. 1 is the utility model structure D-D sectional view；
Fig. 2 is the utility model structure A-A sectional view；
Fig. 3 is the utility model structure B-B sectional view；
Fig. 4 is the utility model structure C-C sectional view.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the efficient low refrigerant charge free convection of a kind of liquid-spraying type of the utility model
Formula cooling grid, the evaporator include liquid feeding pipeline 1, internal cavity plate 2, injector 3, substrate 4, outer cover plate 5, return line
6, fin 7, return gas channel slot 8；Including inner chamber body and outer chamber, inner chamber body is placed in outer chamber, between inner chamber body and outer chamber
Form return gas channel slot；Inner chamber body is surrounded by internal cavity plate, and injector is uniformly installed in inner chamber body bottom, and injector is inversed taper platform shape
Shape, the lower end of each injector and return gas channel slot connection；Outer chamber has substrate and outer cover plate to surround, and the bottom surface of outer chamber is base
Plate, base lower surface are connect with multi-disc fin, and outer cover plate is cavity rectangular channel, and the end face center and return line of outer chamber join
Logical, one end of liquid feeding pipeline passes through return line side tube wall and enters in return line, the other end and inner chamber body of liquid feeding pipeline
Upper surface connection.
The liquid feeding pipeline 1 of the evaporator and the inner chamber body upper surface connection surrounded by internal cavity plate 2, as shown in Figure 1, through
Refrigerant after throttling set throttling is flowed into inner chamber body by liquid feeding pipeline；Injector is uniformly installed in the inner chamber body bottom,
Injector is the platform of falling vertebra shape, i.e. injector liquid feeding end diameter is big, and hydrojet end diameter is small, and liquid feeding end connects with hydrojet end chamfering
It connects, the bottom surface of outer chamber is substrate, and the top surface of outer chamber is outer cover plate, and the end face center and return line connection of outer chamber supply
Liquid pipeline 1 passes through 6 side tube wall of return line and enters in return line 6, as shown in Figure 2；The intracorporal refrigerant warp in inner cavity
Injector is ejected on the upper surface of substrate 4, realizes refrigerant branching process；The refrigerant of 4 upper surface of substrate passes through base
Plate 4 exchanges heat with fin 7 with the external world, realizes refrigerant evaporation process；Exist between the internal cavity plate and outer cover plate certain
Gap is connect with return line 6, as shown in figure 3, the refrigerant after the evaporation of 4 upper surface of substrate flows into return gas channel slot 8, is collected
In return-air gap 8, as shown in Fig. 1, the refrigerant vapour in the return gas channel slot 8 flows into return line 6；The return-air
Refrigerant vapour cooled via return air pipeline in pipeline 6 flows out evaporator.
The lower surface of the substrate 4 is connect with fin 7, as shown in Figure 1；The evaporator is natural by fin 7 and air
Heat convection realizes the transmitting of cooling capacity.
The injector 3 is evenly arranged in inner cavity plate bottom surface, as shown in Figure 2；It can be realized by decompression speedup uniformly
Droplet-like shunts.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (2)
1. a kind of efficient low refrigerant charge free convection cooling grid of injecting type, which is characterized in that including inner chamber body and
Outer chamber, inner chamber body are placed in outer chamber, and return gas channel slot is formed between inner chamber body and outer chamber；Inner chamber body is enclosed by internal cavity plate
At injector is uniformly installed in inner chamber body bottom, and injector is inversed taper platform shape, and the lower end of each injector and return gas channel slot join
It is logical；Outer chamber has substrate and outer cover plate to surround, and the bottom surface of outer chamber is substrate, and base lower surface is connect with multi-disc fin, outer cover
Plate is cavity rectangular channel, and one end of the end face center and return line connection of outer chamber, liquid feeding pipeline passes through return line side
Tube wall enters in return line, the other end and inner chamber body upper surface connection of liquid feeding pipeline.
2. the efficient low refrigerant charge free convection cooling grid of injecting type according to claim 1, feature exist
In the liquid feeding end diameter of the injector is big, and the hydrojet end diameter of injector is small, and liquid feeding end is connect with hydrojet end with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238522.3U CN209672632U (en) | 2019-02-26 | 2019-02-26 | A kind of efficient low refrigerant charge free convection cooling grid of injecting type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238522.3U CN209672632U (en) | 2019-02-26 | 2019-02-26 | A kind of efficient low refrigerant charge free convection cooling grid of injecting type |
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| CN209672632U true CN209672632U (en) | 2019-11-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737629A (en) * | 2019-02-26 | 2019-05-10 | 天津商业大学 | A kind of efficient low refrigerant charge free convection cooling grid of injecting type |
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2019
- 2019-02-26 CN CN201920238522.3U patent/CN209672632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737629A (en) * | 2019-02-26 | 2019-05-10 | 天津商业大学 | A kind of efficient low refrigerant charge free convection cooling grid of injecting type |
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