CN211695483U - Natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit - Google Patents
Natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit Download PDFInfo
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- CN211695483U CN211695483U CN202020142477.4U CN202020142477U CN211695483U CN 211695483 U CN211695483 U CN 211695483U CN 202020142477 U CN202020142477 U CN 202020142477U CN 211695483 U CN211695483 U CN 211695483U
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Abstract
A natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit comprises a plurality of direct evaporation coils, outlet ends of the direct evaporation coils are converged and then are respectively connected with inlet ends of a vapor-liquid separator and an evaporative cooling type condenser, an air outlet and an auxiliary air port of the vapor-liquid separator are respectively communicated with an air suction port and an air supplement port of a magnetic suspension compressor, an air exhaust port of the magnetic suspension compressor is connected with an inlet end of the evaporative cooling type condenser, an outlet end of the evaporative cooling type condenser is connected with a first port of a liquid storage tank, a second port of the liquid storage tank is connected with an inlet end of a drying filter, an outlet end of the drying filter is respectively connected with a liquid spray cooling interface and an inlet end of an intermediate pipeline of, the outlet end of the intermediate pipeline is connected with the inlet end of a solenoid valve, and the outlet end of the solenoid valve is respectively connected with the inlet ends of the direct evaporation type coil pipes. And the magnetic suspension compressor is closed under the natural cooling working condition, and the energy-saving effect is achieved through the circulation of the refrigerant pump.
Description
Technical Field
The utility model belongs to the technical field of refrigeration and air conditioning equipment, concretely relates to natural cooling's year-round refrigeration type evaporative cooling directly expands formula magnetic suspension refrigerating unit.
Background
With the development of economy in China and the continuous acceleration of the industrialization process. The requirements of various industries on refrigeration and air conditioning equipment are continuously improved, and the existing equipment cannot meet the requirements of higher standards and energy conservation. Taking the agricultural field as an example, on one hand, the traditional refrigeration and air-conditioning equipment is designed according to the requirement of a certain specific working condition, the adjustable range of the evaporation temperature is small, and the requirement of temperature change in the growth process of crops cannot be met; on the other hand, the energy consumption is also high.
In the magnetic suspension refrigerating unit in the prior art, the cooling mode is mostly water-cooled or air-cooled, the cooling efficiency is lower than that of an evaporative cooling type, an evaporator is used for preparing cold water for a flooded evaporator or a plate evaporator, when the evaporation temperature is low, anti-freezing liquid needs to be added to the chilled water, and the compressor of the annual refrigerating unit at low ambient temperature still needs to be opened, so that the natural cold source cannot be fully utilized. The energy saving effect is not obvious.
SUMMERY OF THE UTILITY MODEL
The utility model discloses when low ring temperature operation, through increasing the refrigerant pump, utilize natural cooling to realize further energy-conservation, reduce the working costs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit comprises a plurality of direct evaporation coils, outlet ends of the direct evaporation coils are converged and then are respectively connected with an inlet end of a vapor-liquid separator and an inlet end of an evaporative cooling type condenser through pipelines, an air outlet and an auxiliary air port of the vapor-liquid separator are respectively communicated with an air suction port and an air supplement port of a magnetic suspension compressor through pipelines, an air exhaust port of the magnetic suspension compressor is connected with the inlet end of the evaporative cooling type condenser through a pipeline, an outlet end of the evaporative cooling type condenser is connected with a first port of a liquid storage tank through a pipeline, a second port of the liquid storage tank is connected with an inlet end of a drying filter through a pipeline, an outlet end of the drying filter is respectively connected with a liquid spraying cooling interface and an inlet end of an intermediate pipeline of the magnetic suspension compressor, one outlet end of the electromagnetic valve is respectively connected with the inlet ends of the direct evaporative coil pipes.
The natural cooling mechanism comprises a second electromagnetic valve, a third electromagnetic valve and a refrigerant pump, wherein the third inlet end of the electromagnetic valve is connected to the middle pipeline through a pipeline, the third outlet end of the electromagnetic valve is connected with the inlet end of the refrigerant pump through a pipeline, the outlet end of the refrigerant pump is connected with the second inlet end of the electromagnetic valve through a pipeline, and the third inlet end of the electromagnetic valve is connected with the inlet end of the first electromagnetic valve through a pipeline.
Electronic expansion valves are mounted on pipelines at the inlet end of the direct evaporation coil, and the electronic expansion valves are connected with the outlet end of the first electromagnetic valve after being converged by the pipelines; an angle valve is arranged on a pipeline between the drying filter and a liquid spraying interface of the magnetic suspension compressor; a fourth electromagnetic valve is arranged on a pipeline between the drying filter and the liquid storage tank; a solenoid valve five and a needle valve one are sequentially arranged on a pipeline between the liquid storage tank and the evaporative cooling type condenser; a collecting pipeline at the outlet end of the direct evaporation coil is provided with a sixth electromagnetic valve, the outlet end of the sixth electromagnetic valve is respectively connected with the inlet ends of the vapor-liquid separator and the seventh electromagnetic valve through pipelines, and the outlet end of the seventh electromagnetic valve and the exhaust port of the magnetic suspension compressor are both connected with the inlet end of the evaporative cooling type condenser through one-way valves; a butterfly valve is installed on a pipeline between an air outlet of the gas-liquid separator and an air suction port of the magnetic suspension compressor, and a pressure setting valve is installed on a pipeline between an auxiliary air port of the gas-liquid separator and an air supplement port of the magnetic suspension compressor.
And a second needle valve is installed on the vapor-liquid separator, and a safety valve is installed on the liquid storage tank.
The evaporative cooling type condenser comprises a shell, a water tank is arranged at the bottom of the shell, a ball float valve is arranged in the water tank, the water tank is communicated with a spray nozzle at the top through a spray cooling water pump, a water treatment instrument, a condensing coil is arranged below the spray nozzle, a filler is arranged between the condensing coil and the water tank, and an axial flow fan is arranged at the top of the shell.
The utility model has the advantages that:
the utility model discloses take unit of natural cooling mode, the lower annual refrigeration condition of specially adapted ambient temperature because refrigerating unit's main power consumption part is the compressor, and the magnetic suspension compressor need not open during the natural cooling operating mode, only circulates through the refrigerant pump, reaches energy-conserving effect.
Drawings
Fig. 1 is a schematic structural view of a natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit of the present invention;
1-a magnetic suspension compressor, 2-a one-way valve, 3-an evaporative cooling condenser, 4-a solenoid valve five, 5-a liquid storage tank, 6-a solenoid valve four, 7-a dry filter, 8-an angle valve, 9-a solenoid valve one, 10-an electronic expansion valve, 11-a direct evaporation coil, 12-a solenoid valve six, 13-a vapor-liquid separator, 14-a butterfly valve, 15-a pressure setting valve, 16-a needle valve one, 17-a needle valve two, 18-a ball float valve, 19-an axial flow fan, 20-a nozzle, 21-a condensing coil, 22-a filler, 23-a water tank, 24-a spray cooling water pump, 25-a water treatment instrument, 26-a refrigerant pump, 27-a solenoid valve three, 28-a solenoid valve two, 29-a solenoid valve seven, 30-safety valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the naturally-cooled annual refrigeration type evaporative cooling direct-expansion magnetic suspension refrigeration unit comprises two direct evaporation coils 11, the outlet ends of the two direct evaporation coils 11 are converged and then respectively connected with the inlet end of a vapor-liquid separator 13 and the inlet end of an evaporative cooling type condenser 3 through pipelines, the air outlet and the auxiliary air port of the vapor-liquid separator 13 are respectively communicated with the air suction port and the air supplement port of a magnetic suspension compressor 1 through pipelines, the exhaust port of the magnetic suspension compressor 1 is connected with the inlet end of the evaporative cooling type condenser 3 through a pipeline, the outlet end of the evaporative cooling type condenser 3 is connected with the first port of a liquid storage tank 5 through a pipeline, the second port of the liquid storage tank is connected with the inlet end of a drying filter 7 through a pipeline, the outlet end of the drying filter 7 is respectively connected with the liquid spray cooling port and the inlet end, the outlet end of the intermediate pipeline is connected with the inlet end of a first electromagnetic valve 9, and the outlet end of the first electromagnetic valve 9 is respectively connected with the inlet ends of the two direct evaporative coils.
The natural cooling mechanism comprises a second electromagnetic valve 28, a third electromagnetic valve 27 and a refrigerant pump 26, wherein the inlet end of the third electromagnetic valve 27 is connected to a middle pipeline through a pipeline, the outlet end of the third electromagnetic valve 27 is connected with the inlet end of the refrigerant pump 26 through a pipeline, the outlet end of the refrigerant pump 26 is connected with the inlet end of the second electromagnetic valve 28 through a pipeline, and the inlet end of the third electromagnetic valve 27 is connected with the inlet end of the first electromagnetic valve 9 through a pipeline.
The electronic expansion valves 10 are mounted on pipelines at the inlet ends of the direct evaporation coils 11, and the electronic expansion valves 10 are connected with the outlet end of the first electromagnetic valve 9 after being converged by the pipelines; an angle valve 8 is arranged on a pipeline between the drying filter 7 and a liquid spraying interface of the magnetic suspension compressor 1; a fourth electromagnetic valve 6 is arranged on a pipeline between the drying filter 7 and the liquid storage tank 5; a pipeline between the liquid storage tank 5 and the evaporative cooling type condenser 3 is sequentially provided with a solenoid valve five 4 and a needle valve one 16; a six electromagnetic valve 12 is arranged on a collecting pipeline at the outlet end of the direct evaporation coil 11, the outlet end of the six electromagnetic valve 12 is respectively connected with the inlet ends of a vapor-liquid separator 13 and a seven electromagnetic valve 29 through pipelines, and the outlet end of the seven electromagnetic valve 29 and the exhaust port of the magnetic suspension compressor 1 are both connected with the inlet end of the evaporative cooling type condenser 3 through a one-way valve 2; a butterfly valve 14 is arranged on a pipeline between the air outlet of the gas-liquid separator 13 and the air suction port of the magnetic suspension compressor 1, and a pressure setting valve 15 is arranged on a pipeline between the auxiliary air port of the gas-liquid separator 13 and the air supplement port of the magnetic suspension compressor 1.
The steam-liquid separator 13 is provided with a second needle valve 17, and the liquid storage tank 5 is provided with a safety valve 30.
Evaporative cooling type condenser 3 includes the shell, is provided with water tank 23 in the shell bottom, is provided with ball-cock assembly 18 in the water tank 23, and water tank 23 is through the nozzle 20 intercommunication at spray cooling water pump 24, water treatment facilities 25 and top, and nozzle 20 below is provided with condensing coil 21, be provided with filler 22 between condensing coil 21 and the water tank 23, install axial fan 19 at the shell top.
The one-time use process of the natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit is as follows:
when natural cooling is not started, gas exhausted from an exhaust port of the magnetic suspension compressor 1 is delivered into a condensing coil 21 in the evaporative cooling type condenser 3 through the check valve 2, flows into the liquid storage tank 5 through the electromagnetic valve five 4 after the process of condensation heat release in the condensing coil 21, and medium-temperature and high-pressure refrigerants in the liquid storage tank 5 enter the drying filter 7 through the electromagnetic valve four 6 and are divided into two paths: one path is a main path, and the medium-temperature and high-pressure refrigerant enters the direct evaporation coil 11 to complete the evaporation and heat absorption process after being throttled and depressurized by the electromagnetic valve I9 and the electronic expansion valve 10; the direct evaporation coils 11 are connected in parallel and directly arranged in the air-conditioning room, and the air treated by the direct evaporation coils 11 is sent into the air-conditioning room by a fan arranged at the top of the direct evaporation coils; the evaporated low-temperature and low-pressure refrigerant steam passes through the solenoid valve six 12 to the gas-liquid separator 13, the refrigerant steam passes through the butterfly valve 14 to the magnetic suspension compressor 1 to complete the air suction compression process, and the whole refrigeration process is completed in a circulating reciprocating manner; the other branch is a branch, and the refrigerant enters the magnetic suspension compressor 1 after passing through the angle valve 8 and is used for cooling a motor and electrical components of the magnetic suspension compressor 1;
the evaporation temperature of the unit has a wide adjustable range, the adjustable range is-5-18 ℃, when the ambient temperature is lower than the evaporation temperature of the unit by 8 ℃, a natural cooling mode is adopted, a refrigerant pump 26, a solenoid valve III 27 and a solenoid valve II 28 are started, a magnetic suspension compressor 1 and a spray cooling water pump 24 are closed, an axial flow fan 19 at the top of an evaporation cooling type condenser 3 performs variable air volume operation, the refrigerant discharged from a direct evaporation coil 11 directly enters the evaporation cooling type condenser 3 for condensation, the refrigerant in the condensation coil 21 flows into a liquid storage tank 5 through a solenoid valve V4 after undergoing a condensation heat release process, the refrigerant in the liquid storage tank 5 enters a drying filter 7 through a solenoid valve IV 6, the refrigerant passing through the drying filter 7 enters the refrigerant pump 26 for pressurization and then is sent to an electronic expansion valve 10 for throttling and pressure reduction, the throttled and reduced pressure refrigerant enters the direct evaporation coil 11 to complete an evaporation heat, the direct evaporating coils 11 are connected in parallel and directly arranged in the air-conditioning room, and the air treated by the direct evaporating coils 11 is sent into the air-conditioning room by a fan arranged at the top of the direct evaporating coils 11.
Claims (5)
1. A natural cooling annual refrigeration type evaporative cooling direct-expansion magnetic suspension refrigerating unit is characterized by comprising a plurality of direct evaporation coils, wherein outlet ends of the direct evaporation coils are converged and then are respectively connected with an inlet end of a vapor-liquid separator and an inlet end of an evaporative cooling type condenser through pipelines, an air outlet and an auxiliary air port of the vapor-liquid separator are respectively communicated with an air suction port and an air supplement port of a magnetic suspension compressor through pipelines, an air exhaust port of the magnetic suspension compressor is connected with an inlet end of the evaporative cooling type condenser through a pipeline, an outlet end of the evaporative cooling type condenser is connected with a first port of a liquid storage tank through a pipeline, a second port of the liquid storage tank is connected with an inlet end of a drying filter through a pipeline, an outlet end of the drying filter is respectively connected with a liquid spraying cooling interface and an inlet end of an, the outlet end of the intermediate pipeline is connected with the inlet end of a solenoid valve, and the outlet end of the solenoid valve is respectively connected with the inlet ends of the direct evaporation type coil pipes.
2. The natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit as claimed in claim 1, wherein: the natural cooling mechanism comprises a second electromagnetic valve, a third electromagnetic valve and a refrigerant pump, wherein the third inlet end of the electromagnetic valve is connected to the middle pipeline through a pipeline, the third outlet end of the electromagnetic valve is connected with the inlet end of the refrigerant pump through a pipeline, the outlet end of the refrigerant pump is connected with the second inlet end of the electromagnetic valve through a pipeline, and the third inlet end of the electromagnetic valve is connected with the inlet end of the first electromagnetic valve through a pipeline.
3. The natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit as claimed in claim 1, wherein: electronic expansion valves are mounted on pipelines at the inlet end of the direct evaporation coil, and the electronic expansion valves are connected with the outlet end of the first electromagnetic valve after being converged by the pipelines; an angle valve is arranged on a pipeline between the drying filter and a liquid spraying interface of the magnetic suspension compressor; a fourth electromagnetic valve is arranged on a pipeline between the drying filter and the liquid storage tank; a solenoid valve five and a needle valve one are sequentially arranged on a pipeline between the liquid storage tank and the evaporative cooling type condenser; a collecting pipeline at the outlet end of the direct evaporation coil is provided with a sixth electromagnetic valve, the outlet end of the sixth electromagnetic valve is respectively connected with the inlet ends of the vapor-liquid separator and the seventh electromagnetic valve through pipelines, and the outlet end of the seventh electromagnetic valve and the exhaust port of the magnetic suspension compressor are both connected with the inlet end of the evaporative cooling type condenser through one-way valves; a butterfly valve is installed on a pipeline between an air outlet of the gas-liquid separator and an air suction port of the magnetic suspension compressor, and a pressure setting valve is installed on a pipeline between an auxiliary air port of the gas-liquid separator and an air supplement port of the magnetic suspension compressor.
4. The natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit as claimed in claim 1, wherein: and a second needle valve is installed on the vapor-liquid separator, and a safety valve is installed on the liquid storage tank.
5. The natural cooling annual refrigeration type evaporative cooling direct-expansion type magnetic suspension refrigerating unit as claimed in claim 1, wherein: the evaporative cooling type condenser comprises a shell, a water tank is arranged at the bottom of the shell, a ball float valve is arranged in the water tank, the water tank is communicated with a spray nozzle at the top through a spray cooling water pump, a water treatment instrument, a condensing coil is arranged below the spray nozzle, a filler is arranged between the condensing coil and the water tank, and an axial flow fan is arranged at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020142477.4U CN211695483U (en) | 2020-01-22 | 2020-01-22 | Natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020142477.4U CN211695483U (en) | 2020-01-22 | 2020-01-22 | Natural cooling annual refrigeration type evaporative cooling direct expansion type magnetic suspension refrigerating unit |
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| CN211695483U true CN211695483U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137773A (en) * | 2021-03-04 | 2021-07-20 | 青岛海尔空调电子有限公司 | Double-power heat pump refrigerating unit |
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- 2020-01-22 CN CN202020142477.4U patent/CN211695483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137773A (en) * | 2021-03-04 | 2021-07-20 | 青岛海尔空调电子有限公司 | Double-power heat pump refrigerating unit |
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