CN211400352U - Dry-type open-type screw rod brine unit - Google Patents
Dry-type open-type screw rod brine unit Download PDFInfo
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- CN211400352U CN211400352U CN201921652797.8U CN201921652797U CN211400352U CN 211400352 U CN211400352 U CN 211400352U CN 201921652797 U CN201921652797 U CN 201921652797U CN 211400352 U CN211400352 U CN 211400352U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model relates to a dry-type open-type screw rod brine unit, it includes: the system comprises an open-type compressor set prying block, a dry-type evaporator prying block and an evaporative condenser prying block, wherein the open-type compressor set prying block comprises a compressor, a high-voltage motor, an oil separator, an economizer, a control cabinet, an air suction filter and a unit underframe; the dry-type evaporator prying block comprises a liquid storage device, a dry-type evaporator, an electronic expansion valve and a base; the evaporative condenser skid block is an evaporative condenser; the compressor is connected with the oil separator, the oil separator is communicated with the evaporative condenser, the evaporative condenser is communicated with the liquid storage device, the liquid storage device is connected with the inlet end of the dry evaporator, and the dry evaporator is connected with the compressor. The utility model consists of three prying blocks, which is convenient for transportation and installation; two dry evaporators are connected in parallel, so that the requirement of a customer on larger load can be met; is suitable for larger load application, and widens the application range of the dry type brine unit.
Description
Technical Field
The utility model relates to a refrigeration plant technical field especially relates to a dry-type open-type screw rod brine unit.
Background
The patent number is CN201821392108.X, and the patent name is an open type brine unit, and discloses the following technical scheme: the oil cooler comprises a bottom frame, and an open-type compressor, an open-type motor, an oil separator, an economizer, an oil cooler, a condenser and a dry-type evaporator which are arranged on the bottom frame; the open-type brine unit is integrated by adopting a public bottom frame, and the compressor unit is designed in a standard integrated mode.
The disadvantages of the above technique are: 1. the refrigeration requirement of larger load cannot be met; 2. the integrated design has the refrigeration demand of bigger load, and the size is big, is not convenient for shift the transportation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problems in the prior art, the utility model provides a dry-type open-type screw rod brine unit has simple structure, compact structure, and area is little, the characteristics of being convenient for installation and transportation.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a dry open screw saltwater unit comprising: the system comprises an open-type compressor set prying block, a dry-type evaporator prying block and an evaporative condenser prying block, wherein the open-type compressor set prying block comprises a compressor, a high-voltage motor, an oil separator, an economizer, a control cabinet, an air suction filter and a unit chassis; the dry-type evaporator skid block comprises a liquid storage device, a dry-type evaporator, an electronic expansion valve and a base, wherein the liquid storage device, the dry-type evaporator and the electronic expansion valve are all connected to the base; the evaporative condenser pry block is an evaporative condenser;
the power output end of the high-pressure motor is connected with the power input end of the compressor, the exhaust port of the compressor is connected with the evaporative condenser through an oil separator, the gas outlet end of the oil separator is communicated with the inlet end of the evaporative condenser, the outlet end of the evaporative condenser is communicated with the economizer through a liquid storage device, the outlet end of the economizer is connected with the inlet end of the dry evaporator through an electronic expansion valve, and the gas outlet end of the dry evaporator is connected with the gas suction end of the compressor through a gas suction filter.
Further, the liquid outlet end of the oil separator is connected with an oil tank of the compressor through an oil pump, the outlet end of the oil pump is connected with an oil filter, and the oil filter is connected with the compressor.
Further, the liquid outlet end of the oil separator is connected with an oil cooler, and the outlet end of the oil cooler is connected with the inlet end of the oil pump.
Further, the number of the oil filters is two.
Further, the economizer is a shell-and-tube economizer.
Further, the dry-type evaporator is formed by connecting two dry-type evaporators in parallel.
(III) advantageous effects
The utility model has the advantages that: 1. the liquid supply of the brine unit is controlled by an electronic expansion valve, and the liquid supply amount is adjusted according to the change of the load at the tail end, so that the control is accurate; 2. the oil supply system of the compressor adopts the combination of the oil cooler, the oil temperature regulating valve, the oil pump and the two oil filters to supply oil, so that the stable and reliable oil supply of the compressor is ensured, and meanwhile, the oil temperature is controlled in a certain range through the oil temperature regulating valve, so that the safe and stable operation of the compressor is ensured; 3. the brine unit consists of three prying blocks, and is convenient to transport and install; two dry evaporators are connected in parallel, so that the requirement of a customer on larger load can be met; the arrangement mode of the split prying blocks is adopted, so that the transportation and after-sale operation and maintenance are facilitated; in a word, the brine unit is suitable for larger load application, and the application range of the dry brine unit is widened.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.
[ description of reference ]
1: a compressor;
2: a high voltage motor;
3: an oil separator;
4: an economizer;
5: a control cabinet;
6: an oil cooler;
7: an oil pump;
8: an oil filter;
9: an intake filter;
10: a reservoir;
11: a dry evaporator;
12: an electronic expansion valve;
13: a unit chassis;
14: a base.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
The utility model discloses a dry-type open-type screw rod brine unit of an embodiment, as shown in figure 1, it includes: the open-type compressor unit skid comprises a compressor 1, a high-pressure motor 2, an oil separator 3, an economizer 4, a control cabinet 5, an oil cooler 6, an oil pump 7, an oil filter 8, an air suction filter 9 and a unit underframe 13, wherein the high-pressure motor 2 and the oil pump 7 are respectively connected with the control cabinet 5, and the compressor 1, the high-pressure motor 2, the oil separator 3, the economizer 4, the control cabinet 5, the oil cooler 6, the oil pump 7 and the oil filter 8 are respectively connected onto the unit underframe 13; the dry-type evaporator skid block comprises a liquid storage device 10, a dry-type evaporator 11, an electronic expansion valve 12 and a base 14, wherein the liquid storage device 10, the dry-type evaporator 11 and the electronic expansion valve 12 are all connected to the base 14; the evaporative condenser pry block is an evaporative condenser (not shown in the figure), and the evaporative condenser is located at the far end of the open-type compressor set pry block.
Specifically, the control cabinet 5 controls the opening and closing of the high-voltage motor 2, the power output end of the high-voltage motor 2 is connected with the power input end of the compressor 1, and the high-voltage motor 2 provides power for the compressor 1.
Specifically, the exhaust port of the compressor 1 is connected with the evaporative condenser through an oil separator 3, the gas outlet end of the oil separator 3 is communicated with the inlet end of the evaporative condenser, the liquid outlet end of the oil separator 3 is connected with the oil tank of the compressor 1 through an oil pump 7, the outlet end of the oil pump 7 is connected with an oil filter 8, the oil filter 8 is connected with the compressor 1, and the oil filter 8 is used for filtering impurities in oil.
Further, an oil cooler 6 is connected to a liquid outlet end of the oil separator 3, an outlet end of the oil cooler 6 is connected to an inlet end of an oil pump 7, and the oil cooler 6 is used for cooling oil.
Further, in order to prevent the oil filter 8 from failing to operate in the event of a failure, there are two oil filters 8, and one of the oil filters 8 is used as a backup.
Specifically, the outlet end of the evaporative condenser is communicated with an economizer 4 through a liquid storage device 10, and the economizer 4 is a shell-and-tube economizer; the outlet end of the economizer 4 is connected with the inlet end of a dry evaporator 11 through an electronic expansion valve 12, and the air outlet end of the dry evaporator 11 is connected with the air suction end of the compressor 1 through an air suction filter 9.
Further, the dry evaporator 11 is formed by connecting two dry evaporators in parallel, so that a larger load requirement can be met.
In specific implementation, a refrigerant is compressed by a compressor 1 to form high-temperature high-pressure gas, the high-temperature high-pressure gas is separated by an oil separator 3 and then enters an evaporative condenser, the high-temperature high-pressure gas is released and condensed in the evaporative condenser to form high-temperature high-pressure liquid, the condensed liquid refrigerant enters a liquid reservoir 10, the refrigerant liquid then enters an economizer 4 to form supercooled refrigerant liquid, the supercooled refrigerant liquid is throttled by an electronic expansion valve 12 to form a low-temperature low-pressure gas-liquid mixture, the low-temperature low-pressure gas-liquid mixture is supplied to two parallel dry evaporators 11 and exchanges heat with a secondary refrigerant to provide the secondary refrigerant with required temperature, and the refrigerant gas after heat exchange returns to the.
The liquid supply of the brine unit is controlled by an electronic expansion valve 12, and the liquid supply amount is adjusted according to the change of the load at the tail end, so that the control is accurate; the oil supply system of the compressor 1 adopts the combination of the oil cooler 6, the oil temperature regulating valve, the oil pump 7 and the two oil filters 8 (one for one), so as to ensure the stable and reliable oil supply of the compressor 1, and simultaneously, the oil temperature is controlled within a certain range through the oil temperature regulating valve, so as to ensure the safe and stable operation of the compressor 1.
The dry-type open-type screw brine unit consists of three prying blocks, and is convenient to transport and install; two dry evaporators are connected in parallel, so that the requirement of a customer on larger load can be met; the arrangement mode of the split prying blocks is adopted, so that the transportation and after-sale operation and maintenance are facilitated; in a word, the brine unit is suitable for larger load application, and the application range of the dry brine unit is widened.
Claims (6)
1. The utility model provides a dry-type open-type screw rod brine unit which characterized in that, it includes: the open-type compressor unit prying block comprises a compressor (1), a high-voltage motor (2), an oil separator (3), an economizer (4), a control cabinet (5), an air suction filter (9) and a unit underframe (13), wherein the high-voltage motor (2) and an oil pump (7) are respectively connected with the control cabinet (5), and the compressor (1), the high-voltage motor (2), the oil separator (3), the economizer (4) and the control cabinet (5) are respectively connected onto the unit underframe (13); the dry-type evaporator skid block comprises a liquid storage device (10), a dry-type evaporator (11), an electronic expansion valve (12) and a base (14), wherein the liquid storage device (10), the dry-type evaporator (11) and the electronic expansion valve (12) are all connected to the base (14); the evaporative condenser pry block is an evaporative condenser;
the power output end of the high-pressure motor (2) is connected with the power input end of the compressor (1), the exhaust port of the compressor (1) is connected with the evaporative condenser through the oil separator (3), the gas outlet end of the oil separator (3) is communicated with the inlet end of the evaporative condenser, the outlet end of the evaporative condenser is communicated with the economizer (4) through the liquid storage device (10), the outlet end of the economizer (4) is connected with the inlet end of the dry evaporator (11) through the electronic expansion valve (12), and the gas outlet end of the dry evaporator (11) is connected with the gas suction end of the compressor (1) through the gas suction filter (9).
2. A dry open-screw brine plant as claimed in claim 1, wherein: the oil separator is characterized in that the liquid outlet end of the oil separator (3) is connected with an oil tank of the compressor (1) through an oil pump (7), the outlet end of the oil pump (7) is connected with an oil filter (8), and the oil filter (8) is connected with the compressor (1).
3. A dry open-screw brine plant as claimed in claim 2, wherein: the oil separator is characterized in that the liquid outlet end of the oil separator (3) is connected with an oil cooler (6), and the outlet end of the oil cooler (6) is connected with the inlet end of an oil pump (7).
4. A dry open-screw brine plant as claimed in claim 2, wherein: the number of the oil filters (8) is two.
5. A dry open-screw brine plant as claimed in claim 1, wherein: the economizer (4) is a shell-and-tube economizer.
6. A dry open-screw brine plant as claimed in claim 1, wherein: the dry-type evaporator (11) is formed by connecting two dry-type evaporators in parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921652797.8U CN211400352U (en) | 2019-09-30 | 2019-09-30 | Dry-type open-type screw rod brine unit |
Applications Claiming Priority (1)
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CN201921652797.8U CN211400352U (en) | 2019-09-30 | 2019-09-30 | Dry-type open-type screw rod brine unit |
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CN211400352U true CN211400352U (en) | 2020-09-01 |
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CN201921652797.8U Active CN211400352U (en) | 2019-09-30 | 2019-09-30 | Dry-type open-type screw rod brine unit |
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2019
- 2019-09-30 CN CN201921652797.8U patent/CN211400352U/en active Active
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