CN209295478U - A kind of sled block formula NH3/CO2 refrigerating medium refrigeration unit - Google Patents
A kind of sled block formula NH3/CO2 refrigerating medium refrigeration unit Download PDFInfo
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- CN209295478U CN209295478U CN201821918267.9U CN201821918267U CN209295478U CN 209295478 U CN209295478 U CN 209295478U CN 201821918267 U CN201821918267 U CN 201821918267U CN 209295478 U CN209295478 U CN 209295478U
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- condenser
- evaporator
- compressor
- regenerator
- oily
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Abstract
The utility model relates to a kind of sled block formula NH3/CO2Refrigerating medium refrigeration unit, including compressor, oil eliminator, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device and CO2Canned motor pump；The compressor, oil eliminator, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device and CO2Canned motor pump is all made of sled block formula, installs fixation using the building blocks mode of building；Pass through CO2With NH3And with heat exchange efficiency height is improved, the operational efficiency of unit is improved；The problem of unit uses semiclosed single machine double-stage compressor, and there is no axle envelope leakages；And unit design has oily regenerator, reduces the viscosity of oil, flow resistance reduces, improves oil return efficiency, reduce the resid amount in evaporator, guarantee the efficient operation of heat exchanger；Unit integrally using sled blockization design, is readily transported and installs.
Description
Technical field
The utility model relates to refrigeration units, and in particular to a kind of sled block formula NH3/CO2Refrigerating medium refrigeration unit.
Background technique
With world technology and economic fast development, the whole world produces the energy and environmental crisis, " sustainable development "
Receive comprehensive concern.Energy conservation and environmental protection are current refrigeration industry development directions, how to improve refrigeration unit efficiency, save money
Source, low cost, high reliability feature increasingly draw attention to refrigeration unit performance evaluation and structural design optimization.
There may be potential threats to FUTURE ENVIRONMENT for new synthesis refrigerant, therefore sight has been invested environment again by people
Friendly natural refrigerants.NH3For common natural refrigerants, there is very long applicating history, and has very high operation
Efficiency, but due to some accidents in recent years, so that NH3Use be restricted, NH3Charging amount, become a weight
The focus wanted.Wherein, CO2Also there is very long applicating history, also belong to natural refrigerants, refrigerating effect per unit swept volume is big, nothing
Poison is non-combustible, and in recent years due to the limitation of freon eliminated and apply, the generation of ammonia accident has retrieved attention.
Utility model content
(1) technical problem is solved
In order to solve the prior art above problem, the utility model provides a kind of sled block formula NH3/CO2Refrigerating medium refrigeration machine
Group.
(2) technical solution
In order to reach above-mentioned mesh, the utility model includes: a kind of sled block formula NH using main technical schemes3/CO2Refrigerating medium
Refrigeration unit: including compressor, oil eliminator, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device, institute
State compressor, oil eliminator, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device and CO2Canned motor pump is adopted
With sled block formula, it is all made of the building blocks mode of building and fixation is installed；
Compressor outlet connects oil eliminator air inlet, and oil eliminator gas outlet connects condenser air inlet, condenser
Liquid outlet connects condenser/evaporator inlet, condenser/evaporator gas outlet connect compressor air inlet；
Oil eliminator liquid outlet connects oily regenerator inlet；Oily regenerator is connected with oil cooler, and oil cooler goes out
Liquid mouth connect compressor inlet；
Condenser/evaporator liquid outlet connects oily regenerator inlet, and oily regenerator liquid outlet connect compressor inlet is cold
Solidifying evaporator liquid outlet connects CO2Liquid storage device inlet.
Preferably, the CO2The liquid outlet of liquid storage device is connected with CO2Canned motor pump.
Preferably, the compressor is semiclosed single machine double-stage compressor.
(3) beneficial effect
The utility model beneficial effect is: (1) unit uses CO2Indirect refrigeration, NH3Only exist in high-temperature level internal system,
NH3Charging amount is few, improves heat exchange efficiency height, improves the operational efficiency of unit；(2) unit uses semiclosed single machine two-stage pressure
The problem of contracting machine, there is no axle envelope leakages, can mating high speed frequency conversion permanent magnet synchronous motor, still keep high fortune under sub-load
Line efficiency；(3) unit design has oily regenerator, reduces the viscosity of oil, and flow resistance reduces, and improves oil return efficiency, reduces
Resid amount in evaporator, guarantees the efficient operation of heat exchanger；(4) unit integrally using sled blockization design, be readily transported and
Installation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
[description of symbols]
1: compressor；
2: oil eliminator；
3: condenser；
4: condenser/evaporator；
5: oily regenerator；
6: oil cooler；
7:CO2Liquid storage device；
8:CO2Canned motor pump；
Specific embodiment
In order to more preferably explain the utility model, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this
Utility model is described in detail.
Such as Fig. 1, the utility model provides a kind of technical solution: a kind of sled block formula NH3/CO2Refrigerating medium refrigeration unit, including
Compressor 1, oil eliminator 2, condenser 3, condenser/evaporator 4, oily regenerator 5, oil cooler 6, CO2Liquid storage device 7, the compression
Machine, oil eliminator, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device and CO2Canned motor pump is all made of sled block
Formula is all made of the building blocks mode of building and installs fixation；
1 gas outlet of compressor connects 2 air inlet of oil eliminator, and 2 gas outlet of oil eliminator connects 3 air inlet of condenser, cold
3 liquid outlet of condenser connects 4 inlet of condenser/evaporator, 4 gas outlet connect compressor of condenser/evaporator, 1 air inlet；
2 liquid outlet of oil eliminator connects 5 inlet of oily regenerator；Oily regenerator 5 is connected with oil cooler 6, and oil is cooling
6 liquid outlet connect compressor of device, 1 inlet；
4 liquid outlet of condenser/evaporator connects 5 inlet of oily regenerator, oily 5 liquid outlet connect compressor of regenerator, 1 feed liquor
Mouthful, 4 liquid outlet of condenser/evaporator connects CO27 inlet of liquid storage device.
Preferably, the CO2The liquid outlet of liquid storage device 7 is connected with CO2Canned motor pump 8.
Preferably, the compressor 1 is semiclosed single machine double-stage compressor.
The utility model embodiment working principle is provided:
High-temperature level: it is pre-stored in the NH of the condenser/evaporator 43Gas forms NH after the compressor 1 compression3High temperature is high
It calms the anger body, the NH3High temperature and high pressure gas enters the oil eliminator 2 and carries out Oil-gas Separation；The refrigerant gas isolated into
Enter the condenser 3 and be condensed into medium temperature highly pressurised liquid, the medium temperature highly pressurised liquid becomes low-temp low-pressure gas-liquid mixed after throttling
Object, the low-temp low-pressure gas-liquid mixture enters after the condenser/evaporator 4 comes out to be mentioned into oily 5 oil temperature of regenerator
Height, oil viscosity reduce, and flow resistance reduces, and the low-temp low-pressure gas-liquid mixture is sufficiently gasified from separating NH3Gas, institute
State NH3Gas has come back to 1 air inlet of compressor；
The refrigeration oil that the oil eliminator 2 is isolated is introduced into the oily regenerator 5 and the low-temp low-pressure gas-liquid mixed
Object exchanges heat, and after entering the further cooling of the oil cooler 6 afterwards, returns to compressor 1.
Low-temperature level: the low-temp low-pressure gas-liquid mixture enters the condenser/evaporator 4 and is pre-stored in the condensation evaporation
CO in device 42Gas carries out heat exchange, the NH generated after heat exchange3Gas comes back to compressor 1 and is compressed；The CO2Gas
With the NH3CO is condensed into after heat exchange2Liquid goes to CO later2Liquid storage device 7.
While there has been shown and described that the utility model embodiment for those of ordinary skills can be with
A variety of variations, modification, replacement can be carried out in the case where not departing from the utility model principle and mental condition to these embodiments by understanding
And modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of sled block formula NH3/CO2Refrigerating medium refrigeration unit, it is characterised in that: including compressor (1), oil eliminator (2), cold
Condenser (3), condenser/evaporator (4), oily regenerator (5), oil cooler (6), CO2Liquid storage device (7), the compressor, oil separation
Device, condenser, condenser/evaporator, oily regenerator, oil cooler, CO2Liquid storage device and CO2Canned motor pump is all made of sled block formula, is all made of
The building blocks mode of building installs fixation；
Compressor (1) gas outlet connects oil eliminator (2) air inlet, and oil eliminator (2) gas outlet connects condenser (3) air inlet
Mouthful, condenser (3) liquid outlet connect condenser/evaporator (4) inlet, condenser/evaporator (4) gas outlet connect compressor (1) into
Port；
Oil eliminator (2) liquid outlet connects oily regenerator (5) inlet；Oily regenerator (5) is connected with oil cooler (6), oil
Cooler (6) liquid outlet connect compressor (1) inlet；
Condenser/evaporator (4) liquid outlet connects oily regenerator (5) inlet, oily regenerator (5) liquid outlet connect compressor (1) into
Liquid mouth, condenser/evaporator (4) liquid outlet connect CO2Liquid storage device (7) inlet.
2. sled block formula NH as described in claim 13/CO2Refrigerating medium refrigeration unit, it is characterised in that: the CO2Liquid storage device (7)
Liquid outlet be connected with CO2Canned motor pump (8).
3. sled block formula NH as described in claim 13/CO2Refrigerating medium refrigeration unit, it is characterised in that: the compressor (1) is
Semiclosed single machine double-stage compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918267.9U CN209295478U (en) | 2018-11-21 | 2018-11-21 | A kind of sled block formula NH3/CO2 refrigerating medium refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918267.9U CN209295478U (en) | 2018-11-21 | 2018-11-21 | A kind of sled block formula NH3/CO2 refrigerating medium refrigeration unit |
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| CN209295478U true CN209295478U (en) | 2019-08-23 |
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| CN201821918267.9U Active CN209295478U (en) | 2018-11-21 | 2018-11-21 | A kind of sled block formula NH3/CO2 refrigerating medium refrigeration unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111797A (en) * | 2022-07-07 | 2022-09-27 | 四方科技集团股份有限公司 | Refrigeration system |
-
2018
- 2018-11-21 CN CN201821918267.9U patent/CN209295478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111797A (en) * | 2022-07-07 | 2022-09-27 | 四方科技集团股份有限公司 | Refrigeration system |
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