CN205316732U - Screw -type refrigerating system - Google Patents
Screw -type refrigerating system Download PDFInfo
- Publication number
- CN205316732U CN205316732U CN201620019968.3U CN201620019968U CN205316732U CN 205316732 U CN205316732 U CN 205316732U CN 201620019968 U CN201620019968 U CN 201620019968U CN 205316732 U CN205316732 U CN 205316732U
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- China
- Prior art keywords
- screw
- refrigerating system
- noise elimination
- type refrigerating
- compressor
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Abstract
The utility model relates to a screw -type refrigerating system belongs to the technical field of cooler air -conditioner system. A screw -type refrigerating system, includes condenser, one -level choke valve, economic ware, second grade choke valve, evaporimeter, the screw compressor who communicates in proper order through the refrigerant pipeline, screw compressor includes that the parcel still is in in outside second noise elimination shell and the setting of this screw -type refrigerating system including establishing at the outside first noise elimination shell of this screw compressor, this screw -type refrigerating system the condenser with compressor air supplement unit between the economic ware. This screw -type refrigerating system not only can fall the noise elimination and make an uproar, adapts to green's product requirement, can effectively improve the refrigerating system efficiency moreover for the refrigerating system operation is more energy -conserving.
Description
Technical field
The utility model relates to a kind of screw-type refrigerating system, belongs to air-conditioning refrigeration system technical field.
Background technology
At present, efficiency is required more and more higher by the refrigeration system used in industrial equipments manufacture, heating field of heat exchange, in order to improve unit efficiency, how to configure economizer in refrigeration system to improve the energy efficiency coefficient of refrigeration system in the industry. Meanwhile, along with extensive refrigeration workshop gets more and more, the main frame size that large-scale refrigeration system uses is very big, heavily reach more than 10 tons, being made up of compressor, condenser, vaporizer and other annexes, motor power reaches more than 200kw, and noise is at more than 85dB (A). Compressor rotary speed is generally at more than 3000rpm. The machinery of high speed rotating, except producing high frequency noise, also can cause the vibration of buildings by plant bottom case pipeline etc. Noise and vibration, in the propagation in space, will cause environmental pollution. Particularly when main frame is when closing on sensitive point for noise and install, so big energy will cause the shock levels in environment sensitive region and noise grade to exceed standard.
The requirement of current environment protection is more and more higher; in the existing refrigeration system recycle system with economizer, owing to liquid refrigerants relies on convective heat exchange, its condensate depression produced is less; to the performance boost limited use of complete machine, adjustment air compensation cannot be carried out according to the actual load situation of unit simultaneously. The problems such as the condensate depression that therefore there is liquid refrigerants in existing refrigeration system is little, and refrigeration system efficiency is low, and compressor air compensation cannot regulate according to the actual load of refrigeration system, and refrigeration system operation is not energy-conservation need solution badly.
Practical novel content
In order to solve the problems of the technologies described above, the utility model provides a kind of screw-type refrigerating system. This screw-type refrigerating system not only can noise elimination noise reduction, adapt to the product requirement of environmental protection, and the condensate depression of liquid refrigerants is bigger, refrigeration system efficiency height, compressor air compensation can regulate according to the actual load of refrigeration system, can effectively improve refrigeration system efficiency so that refrigeration system is run more energy-conservation.
The technical solution of the utility model is as follows:
A kind of screw-type refrigerating system, comprise be connected successively by refrigerant pipe condenser, one-level throttling valve, economizer, two-step throttle valve, vaporizer, screw-type compressor, described screw-type compressor comprises the first noise elimination shell being wrapped in this screw-type compressor outside, and described first noise elimination shell is connected with the outside surface of this screw-type compressor by rubber absorbers;This screw-type refrigerating system also comprises the 2nd noise elimination shell being located at this screw-type refrigerating system outside and the compressor making-up air device being arranged between described condenser and described economizer, the interchanger that described compressor making-up air device comprises with described one-level throttling valve is connected in parallel, first refrigerant side input terminus of described interchanger is connected with the refrigerant output terminal of described condenser by refrigerant pipe respectively with second refrigerant side input terminus, connect and the refrigerant pipe of the refrigerant output terminal of described condenser and the first refrigerant side input terminus of described interchanger is provided with expansion valve, first refrigerant side output terminal of described interchanger is connected with the gas supplementing opening of described compressor, the second refrigerant side output terminal of described interchanger is connected with the refrigerant input terminus of described economizer.
Wherein, the first noise elimination shell comprises two layers of steel plate adopting stainless steel to make, and is provided with one layer of acoustical cotton between two-layered steel plates.
Wherein, the 2nd noise elimination shell is identical with the structure of the first noise elimination shell, and the steel plate of the 2nd noise elimination shell is uniformly distributed multiple through hole.
Wherein, between centers between described adjacent through-holes is 10mm-20mm.
The utility model has following useful effect:
1, the utility model screw-type refrigerating system can effectively improve refrigeration system efficiency, refrigeration system is run more energy-conservation, the condensate depression of liquid refrigerants wherein is relatively big, and refrigeration system efficiency height, compressor air compensation can regulate according to the actual load of refrigeration system.
2, the utility model screw-type refrigerating system energy noise elimination noise reduction, adapts to the product requirement of environmental protection.
3, the utility model screw-type refrigerating system does not need other special noise elimination noise reduction measure, contributes to heat radiation, it is to increase the operational efficiency of unit simultaneously.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic block diagram of a kind of screw-type refrigerating system of the utility model;
Fig. 2 is the first noise elimination shell of a kind of screw-type refrigerating system of the utility model and the structural representation of the 2nd noise elimination shell;
In figure, Reference numeral represents and is:
1-condenser, 2-one-level throttling valve, 3-two-step throttle valve, 4-vaporizer, 5-economizer, 6-screw-type compressor, 7-interchanger, 71-first refrigerant side input terminus, 72-second refrigerant side input terminus, 73-first refrigerant side output terminal, 74-second refrigerant side output terminal, 8-expansion valve, 9-first eliminate the noise shell, 10-the 2nd noise elimination shell.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, a kind of screw-type refrigerating system, comprise be connected successively by refrigerant pipe condenser 1, one-level throttling valve 2, economizer 5, two-step throttle valve 3, vaporizer 4, screw-type compressor 6, as shown in Figure 2, described screw-type compressor 6 comprises the first noise elimination shell 9 being wrapped in this screw-type compressor 6 outside, and described first noise elimination shell is connected by the outside surface of rubber absorbers with this screw-type compressor 6, as shown in Figure 2, this screw-type refrigerating system also comprises the 2nd noise elimination shell 10 being located at this screw-type refrigerating system outside and the compressor making-up air device being arranged between described condenser 1 and described economizer 5, described compressor making-up air device comprises and being connected in parallel with described one-level throttling valve 2, first refrigerant side input terminus 71 of described interchanger 7 is connected by the refrigerant output terminal of refrigerant pipe with described condenser 1 respectively with second refrigerant side input terminus 72, connect and the refrigerant pipe of the refrigerant output terminal of described condenser 1 and the first refrigerant side input terminus 71 of described interchanger 7 is provided with expansion valve 8, first refrigerant side output terminal 73 of described interchanger 7 is connected with the gas supplementing opening of described compressor 6, the second refrigerant side output terminal 74 of described interchanger 7 is connected with the refrigerant input terminus of described economizer 5.
Wherein, the first noise elimination shell 9 comprises two layers of steel plate adopting stainless steel to make, and is provided with one layer of acoustical cotton between two-layered steel plates.
Wherein, the 2nd noise elimination shell 10 is identical with the structure of the first noise elimination shell 9, and the steel plate of the 2nd noise elimination shell 10 is uniformly distributed multiple through hole (not shown).
Wherein, between centers between described adjacent through-holes (not shown) is 10mm-20mm.
Principle of work of the present utility model:
The liquid refrigerant of High Temperature High Pressure in condenser 1 enters in economizer 5 through the second refrigerant side of one-level throttling valve 2 and interchanger 7, from condenser 1, get the first refrigerant side that high-pressure liquid refrigerant enters interchanger 7 after expansion valve 8 throttles simultaneously, in the heat exchanger 7, the liquid refrigerants of the first refrigerant side flashes to gas, screw-type compressor 6 second compression again is entered by tonifying Qi pipe, simultaneously stability heat make second refrigerant side liquid refrigerants produce relatively be bigger than cold after enter in economizer 5, in interchanger 7, liquid refrigerants is by convection current and heat conduction heat exchange, bigger condensate depression can be obtained, in economizer 5, part is flashed to gas by liquid refrigerants simultaneously, make the liquid refrigerants in economizer 5 excessively cold further, after enter evaporation and heat-exchange in vaporizer 4 through two-step throttle valve 3, finally by screw-type compressor 6 to gaseous coolant acting compression, enter in condenser 1, complete refrigerative circle system. the utility model, by increasing an interchanger 7 being connected in parallel with one-level throttling valve 2, makes liquid refrigerants in the heat exchanger 7 by convection current and heat conduction heat exchange, effectively improves the condensate depression of liquid refrigerants in economizer 5, further increases the efficiency of refrigeration system. wherein, the first noise elimination shell 9 one aspect, by this screw-type compressor 6 and outside air partition, is connected by the outside surface of rubber absorbers with this screw-type compressor 6 on the other hand, thus block the vibration of this screw-type compressor. first noise elimination shell 9 and the 2nd noise elimination shell 10 include two layers and adopt the steel plates made of stainless steels, are provided with one layer of acoustical cotton between two-layered steel plates, can by lower noise more than 20 decibels, and the noise elimination noise reduction measure not needing other special. wherein, the steel plate of the 2nd noise elimination shell 10 is also uniformly distributed multiple through hole, contributes to heat radiation, it is to increase the operational efficiency of unit.
The foregoing is only embodiment of the present utility model; not thereby patent scope of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all it is included in scope of patent protection of the present utility model with reason.
Claims (4)
1. a screw-type refrigerating system, it is characterized in that: comprise be connected successively by refrigerant pipe condenser (1), one-level throttling valve (2), economizer (5), two-step throttle valve (3), vaporizer (4), screw-type compressor (6), described screw-type compressor (6) comprises the first noise elimination shell (9) being wrapped in this screw-type compressor (6) outside, and described first noise elimination shell is connected by the outside surface of rubber absorbers with this screw-type compressor (6); this screw-type refrigerating system also comprises the 2nd noise elimination shell (10) being located at this screw-type refrigerating system outside and the compressor making-up air device being arranged between described condenser (1) and described economizer (5), the interchanger (7) that described compressor making-up air device comprises with described one-level throttling valve (2) is connected in parallel, first refrigerant side input terminus (71) of described interchanger (7) is connected by the refrigerant output terminal of refrigerant pipe with described condenser (1) respectively with second refrigerant side input terminus (72), connect and the refrigerant pipe of the refrigerant output terminal of described condenser (1) and the first refrigerant side input terminus (71) of described interchanger (7) is provided with expansion valve (8), first refrigerant side output terminal (73) of described interchanger (7) is connected with the gas supplementing opening of described compressor (6), second refrigerant side output terminal (74) of described interchanger (7) is connected with the refrigerant input terminus of described economizer (5).
2. a kind of screw-type refrigerating system as claimed in claim 1, it is characterised in that: the first noise elimination shell (9) comprises two layers of steel plate adopting stainless steel to make, and is provided with one layer of acoustical cotton between two-layered steel plates.
3. a kind of screw-type refrigerating system as claimed in claim 2, it is characterized in that: the 2nd noise elimination shell (10) is identical with the structure of the first noise elimination shell (9), the steel plate of the 2nd noise elimination shell (10) is uniformly distributed multiple through hole.
4. a kind of screw-type refrigerating system as claimed in claim 3, it is characterised in that: the between centers between described adjacent through-holes is 10mm-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019968.3U CN205316732U (en) | 2016-01-11 | 2016-01-11 | Screw -type refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019968.3U CN205316732U (en) | 2016-01-11 | 2016-01-11 | Screw -type refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205316732U true CN205316732U (en) | 2016-06-15 |
Family
ID=56202829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620019968.3U Expired - Fee Related CN205316732U (en) | 2016-01-11 | 2016-01-11 | Screw -type refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205316732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621091A (en) * | 2017-09-27 | 2018-01-23 | 深圳市英维克科技股份有限公司 | A kind of refrigeration system and electronic refrigerator car |
| CN110307660A (en) * | 2019-06-26 | 2019-10-08 | 珠海格力电器股份有限公司 | Multi-stage compression air-conditioning system and its control method |
-
2016
- 2016-01-11 CN CN201620019968.3U patent/CN205316732U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621091A (en) * | 2017-09-27 | 2018-01-23 | 深圳市英维克科技股份有限公司 | A kind of refrigeration system and electronic refrigerator car |
| CN110307660A (en) * | 2019-06-26 | 2019-10-08 | 珠海格力电器股份有限公司 | Multi-stage compression air-conditioning system and its control method |
| WO2020258795A1 (en) * | 2019-06-26 | 2020-12-30 | 珠海格力电器股份有限公司 | Multi-stage compression air-conditioning system and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20200111 |