CN204513834U - Small-sized screw formula refrigeration unit - Google Patents
Small-sized screw formula refrigeration unit Download PDFInfo
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- CN204513834U CN204513834U CN201420832719.7U CN201420832719U CN204513834U CN 204513834 U CN204513834 U CN 204513834U CN 201420832719 U CN201420832719 U CN 201420832719U CN 204513834 U CN204513834 U CN 204513834U
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- refrigeration unit
- small
- screw type
- formula refrigeration
- screw
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Abstract
The utility model relates to a kind of small-sized screw formula refrigeration unit, belong to the field of structural design of refrigeration unit, the small-sized screw formula refrigeration unit that the utility model provides passes through appropriate design, and a public base is provided, integrated screw type refrigerating compressor, oil eliminator, oil cooler, oil coarse filter, oil pump and olein filter are screw type cold assembly, adopt economizer to carry out tonifying Qi to screw type refrigerating compressor simultaneously, thus improve the refrigerating capacity of small-sized screw formula refrigeration unit, overcome refrigeration unit of the prior art and cause troublesome maintenance owing to adopting dispersed placement to install, large and the problem of mobile inconvenience of floor space, also overcome refrigeration unit of the prior art owing to needing to adopt a large amount of pipeline thus the problem of the production cost of increase refrigeration unit, thus on the basis ensureing refrigerating efficiency, reduce the volume of small-sized screw formula refrigeration unit, and then maintain easily and move, also reduce production cost simultaneously.
Description
Technical field
The utility model relates to a kind of refrigeration unit, particularly relates to a kind of small-sized screw formula refrigeration unit.
Background technology
At present, China is advocating energetically and is implementing energy-saving and emission-reduction work, and in building total energy consumption, refrigeration and air-conditioning equipment energy consumption occupy larger proportion, and therefore the efficiency of refrigeration and air-conditioner host equipment promotes and then seems particularly important.At present, the refrigeration host computer of what Large Central Air Conditioning System and cryogenic freezing cold storage house generally adopted is screw compressor, screw compressor with its higher energy efficiency than and reliability instead of original piston compressor.
But, screw compressor refrigerating unit of the prior art due to its parts more, the all parts such as helical-lobe compressor, mair motor, oil eliminator, oil cooler separately dispersed placement are installed, thus cause whole screw compressor refrigerating unit troublesome maintenance, floor space large and mobile inconvenience, simultaneously, by pipeline connection between all parts, thus the pipeline that extra needs are a large amount of, thus add the production cost of whole screw compressor refrigerating unit.
Utility model content
For above-mentioned Problems existing, the utility model provides a kind of small-sized screw formula refrigeration unit, cause troublesome maintenance, floor space large and the problem of mobile inconvenience to overcome refrigeration unit of the prior art owing to adopting dispersed placement to install, also refrigeration unit of the prior art is overcome owing to needing to adopt a large amount of pipeline thus the problem of the production cost of increase refrigeration unit, thus on the basis ensureing refrigerating efficiency, reduce the volume of small-sized screw formula refrigeration unit, and then maintain easily and move, also reduce production cost simultaneously.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of small-sized screw formula refrigeration unit, wherein, comprise: by the screw type cold assembly of pipeline and valve connecting screw rod formula refrigeration compressor, oil eliminator, oil cooler, oily coarse filter, oil pump and olein filter, described screw type cold assembly and condenser, evaporimeter and economizer form single-unit SAPMAC method, the power intake of described screw type refrigerating compressor is connected with mair motor by shaft coupling, and described screw type cold assembly and described mair motor are placed on a public base;
Wherein, the outlet conduit of described condenser is provided with a threeway, the first end of described threeway is connected with the import of condenser with the shell side of first throttle valve, evaporimeter, the first import of screw type cold assembly, screw type cold assembly, the outlet of screw type cold assembly successively by pipeline; Second end of described threeway is connected with the gas supplementing opening of screw type cold assembly with the shell side of second throttle, economizer successively by pipeline; The tube side of described economizer is connected by pipeline with the tube side of described evaporimeter.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described screw type refrigerating compressor, shaft coupling and mair motor are placed in the longitudinal side of described public base successively; Described oil cooler is horizontal type structure, and described oil cooler and described screw type refrigerating compressor, described shaft coupling and described mair motor side by side arrangement are at the opposite side of described public base longitudinal direction; Described oil eliminator is vertical structure, and described oil eliminator is placed in horizontal one end of described public base, and adjacent with described screw type refrigerating compressor; Described oily coarse filter, described oil pump and described olein filter are placed on described oil cooler successively.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described screw type refrigerating compressor is provided with an air-breathing stop valve.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described oil eliminator is provided with an exhaust stop valve.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described economizer is placed in described oil eliminator top.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described public base is the base be welded by shaped steel.
Above-mentioned small-sized screw formula refrigeration unit, wherein, also comprise a microcomputer control cabinet, described microcomputer control cabinet is placed in the connecting pipe between the exhaust outlet of screw type refrigerating compressor and the air-fuel mixture import of described oil eliminator.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described screw type refrigerating compressor is built with two intermeshing parallel rotors, and described parallel rotor comprises male rotor and female rotor.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described male rotor has 4 teeth, and described female rotor has 6 teeth.
Above-mentioned small-sized screw formula refrigeration unit, wherein, described economizer is plate-fin heat exchanger.
Technique scheme tool has the following advantages or beneficial effect:
The small-sized screw formula refrigeration unit that the utility model provides, pass through appropriate design, and a public base is provided, integrated screw type refrigerating compressor, oil eliminator, oil cooler, oil coarse filter, oil pump and olein filter are screw type cold assembly, adopt economizer to carry out tonifying Qi to screw type refrigerating compressor simultaneously, thus improve the refrigerating capacity of small-sized screw formula refrigeration unit, overcome refrigeration unit of the prior art and cause troublesome maintenance owing to adopting dispersed placement to install, large and the problem of mobile inconvenience of floor space, also overcome refrigeration unit of the prior art owing to needing to adopt a large amount of pipeline thus the problem of the production cost of increase refrigeration unit, thus on the basis ensureing refrigerating efficiency, reduce the volume of small-sized screw formula refrigeration unit, and then maintain easily and move, also reduce production cost simultaneously.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, the utility model and feature, profile and advantage will become more apparent.Mark identical in whole accompanying drawing indicates identical part.Deliberately proportionally do not draw accompanying drawing, focus on purport of the present utility model is shown.
Fig. 1 is the structural representation of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides;
Fig. 2 is the front view of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides;
Fig. 3 is the top view of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but not as restriction of the present utility model.
Embodiment 1:
Fig. 1 is the structural representation of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, Fig. 2 is the front view of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, Fig. 3 is the top view of the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, as shown in the figure, the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides comprises: by pipeline and valve connecting screw rod formula refrigeration compressor 101, oil eliminator 102, oil cooler 103, oil coarse filter 104, the screw type cold assembly 10 of oil pump 105 and olein filter 106, this screw type cold assembly 10 and condenser 11, evaporimeter 12 and economizer 13 form single-unit SAPMAC method, the power intake of screw type refrigerating compressor 101 is connected with mair motor 14 by shaft coupling 16, and screw type cold assembly 10 and mair motor 14 are placed on a public base 15, wherein, the outlet conduit of condenser 11 is provided with a threeway 00, the first end of threeway 00 is connected with the import of condenser 11 with the outlet of the first import of the shell side of first throttle valve 01, evaporimeter 12, screw type cold assembly 10, screw type cold assembly 10, screw type cold assembly 10 successively by pipeline, second end of threeway 00 is connected with the gas supplementing opening of screw type cold assembly 10 with the shell side of second throttle 02, economizer 13 successively by pipeline, the tube side of economizer 13 is connected by pipeline with the tube side of evaporimeter 12.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, screw type refrigerating compressor 101, shaft coupling 16 and mair motor 14 are placed in the longitudinal side of public base 15 successively; Oil cooler 103 is in horizontal type structure, and oil cooler 103 and screw type refrigerating compressor 101, shaft coupling 16 and the mair motor 14 side by side arrangement opposite side in public base 15 longitudinal direction; Oil eliminator 102 is in vertical structure, and oil eliminator 102 is placed in horizontal one end of public base 15, and adjacent with screw type refrigerating compressor 101; Oil coarse filter 104, oil pump 105 and olein filter 106 are placed on oil cooler 103 successively.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, also comprise a microcomputer control cabinet 17, microcomputer control cabinet 17 is placed in the connecting pipe 21 between the exhaust outlet of screw type refrigerating compressor 101 and the air-fuel mixture import of oil eliminator 102.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, screw type refrigerating compressor 101 is provided with an air-breathing stop valve 1011, oil eliminator 102 is provided with an exhaust stop valve 1021.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, economizer 13 is placed in the top of oil eliminator 102, and economizer is plate-fin heat exchanger.Economizer 13 is placed in the top of oil eliminator 102, thus on the appearance and size, basis etc. of whole small-sized screw formula refrigeration unit all without impact, meets integrated demand, convenient mobile; Simultaneously owing to adding economizer 13, make under identical condensation temperature and evaporating pressure, refrigerating capacity all has larger energy-saving effect with shaft power compared with screw type refrigerating compressor group, and then reaches object energy-conservation to greatest extent.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, public base 15 is the bases be welded by shaped steel.
In the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, screw type refrigerating compressor 101 is built with two intermeshing parallel rotors, and parallel rotor comprises male rotor and female rotor, and wherein, male rotor has 4 teeth, and female rotor has 6 teeth.When parallel rotor rotates, this pair intermeshing teeth groove volume reduces gradually, pressure is raised, defines compression process; When the teeth groove compressed communicates with exhaust outlet, compressor starts enters exhaust condition, until exhaust is over; Male rotor often revolves and turns around, and compressor completes four air-breathings, compression, exhaust process.
Small-sized screw formula refrigeration unit utilizes screw type refrigerating compressor air-breathing, compression, the unidirectional feature of carrying out of exhaust, increase an economizer, under pressure, tonifying Qi is carried out to screw type refrigerating compressor therebetween, the liquid come in condenser is divided into two-way in economizer, one tunnel becomes low temperature gas-liquid mixture after choke valve throttling, after entering economizer, absorb after entering the heat of another road high-temp liquid of economizer and become gas, sucked by the gas supplementing opening of screw type refrigerating compressor intermediate pressure; Another road high-temp liquid enters economizer and becomes after cold liquid through heat exchange and enter evaporimeter, makes refrigerating capacity be improved like this, compensate for the single stage screw formula refrigeration compressor defect that efficiency is not high under the worst cold case of high-pressure ratio.
In sum, the small-sized screw formula refrigeration unit that the utility model embodiment 1 provides, pass through appropriate design, and a public base is provided, integrated screw type refrigerating compressor, oil eliminator, oil cooler, oil coarse filter, oil pump and olein filter are screw type cold assembly, adopt economizer to carry out tonifying Qi to screw type refrigerating compressor simultaneously, thus improve the refrigerating capacity of small-sized screw formula refrigeration unit, overcome refrigeration unit of the prior art and cause troublesome maintenance owing to adopting dispersed placement to install, large and the problem of mobile inconvenience of floor space, also overcome refrigeration unit of the prior art owing to needing to adopt a large amount of pipeline thus the problem of the production cost of increase refrigeration unit, thus on the basis ensureing refrigerating efficiency, reduce the volume of small-sized screw formula refrigeration unit, and then maintain easily and move, also reduce production cost simultaneously.
It should be appreciated by those skilled in the art that those skilled in the art can realize described change case in conjunction with prior art and above-described embodiment, do not repeat them here.Such change case does not affect flesh and blood of the present utility model, does not repeat them here.
Above preferred embodiment of the present utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, the equipment wherein do not described in detail to the greatest extent and structure are construed as to be implemented with the common mode in this area; Any those of ordinary skill in the art, make many possible variations and modification not departing from technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations, this does not affect flesh and blood of the present utility model.Therefore, every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (10)
1. a small-sized screw formula refrigeration unit, it is characterized in that, comprise: by the screw type cold assembly of pipeline and valve connecting screw rod formula refrigeration compressor, oil eliminator, oil cooler, oily coarse filter, oil pump and olein filter, described screw type cold assembly and condenser, evaporimeter and economizer form single-unit SAPMAC method, the power intake of described screw type refrigerating compressor is connected with mair motor by shaft coupling, and described screw type cold assembly and described mair motor are placed on a public base;
Wherein, the outlet conduit of described condenser is provided with a threeway, the first end of described threeway is connected with the import of condenser with the shell side of first throttle valve, evaporimeter, the first import of screw type cold assembly, screw type cold assembly, the outlet of screw type cold assembly successively by pipeline; Second end of described threeway is connected with the gas supplementing opening of screw type cold assembly with the shell side of second throttle, economizer successively by pipeline; The tube side of described economizer is connected by pipeline with the tube side of described evaporimeter.
2. small-sized screw formula refrigeration unit as claimed in claim 1, is characterized in that, described screw type refrigerating compressor, shaft coupling and mair motor are placed in the longitudinal side of described public base successively; Described oil cooler is horizontal type structure, and described oil cooler and described screw type refrigerating compressor, described shaft coupling and described mair motor side by side arrangement are at the opposite side of described public base longitudinal direction; Described oil eliminator is vertical structure, and described oil eliminator is placed in horizontal one end of described public base, and adjacent with described screw type refrigerating compressor; Described oily coarse filter, described oil pump and described olein filter are placed on described oil cooler successively.
3. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, is characterized in that, described screw type refrigerating compressor is provided with an air-breathing stop valve.
4. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, is characterized in that, described oil eliminator is provided with an exhaust stop valve.
5. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, it is characterized in that, described economizer is placed in described oil eliminator top.
6. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, it is characterized in that, described public base is the base be welded by shaped steel.
7. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, it is characterized in that, also comprise a microcomputer control cabinet, described microcomputer control cabinet is placed in the connecting pipe between the exhaust outlet of screw type refrigerating compressor and the air-fuel mixture import of described oil eliminator.
8. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, it is characterized in that, described screw type refrigerating compressor is built with two intermeshing parallel rotors, and described parallel rotor comprises male rotor and female rotor.
9. small-sized screw formula refrigeration unit as claimed in claim 8, it is characterized in that, described male rotor has 4 teeth, and described female rotor has 6 teeth.
10. small-sized screw formula refrigeration unit as claimed in claim 1 or 2, it is characterized in that, described economizer is plate-fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832719.7U CN204513834U (en) | 2014-12-24 | 2014-12-24 | Small-sized screw formula refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832719.7U CN204513834U (en) | 2014-12-24 | 2014-12-24 | Small-sized screw formula refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204513834U true CN204513834U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420832719.7U Expired - Fee Related CN204513834U (en) | 2014-12-24 | 2014-12-24 | Small-sized screw formula refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204513834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406318A (en) * | 2014-12-24 | 2015-03-11 | 无锡五洋赛德压缩机有限公司 | Minitype screw rod refrigerating unit |
-
2014
- 2014-12-24 CN CN201420832719.7U patent/CN204513834U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406318A (en) * | 2014-12-24 | 2015-03-11 | 无锡五洋赛德压缩机有限公司 | Minitype screw rod refrigerating unit |
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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: 20150729 Termination date: 20211224 |