CN209042799U - A kind of magnetic suspension centrifugation ice water unit - Google Patents

A kind of magnetic suspension centrifugation ice water unit Download PDF

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Publication number
CN209042799U
CN209042799U CN201821853424.2U CN201821853424U CN209042799U CN 209042799 U CN209042799 U CN 209042799U CN 201821853424 U CN201821853424 U CN 201821853424U CN 209042799 U CN209042799 U CN 209042799U
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China
Prior art keywords
magnetic suspension
centrifugal compressor
pipeline
ice water
leads
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CN201821853424.2U
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Chinese (zh)
Inventor
毕菲菲
王恕清
张昕
林宽雨
杨鹏
姜远新
张为民
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Iceberg cold and hot technology Co., Ltd
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DALIAN REFRIGERATOR Co Ltd
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Abstract

Magnetic suspension is centrifuged ice water unit, downward film evaporator, the setting of closed shell and tube condenser side-by-side parallel, and magnetic suspension centrifugal compressor is arranged above downward film evaporator, and economizer is located above closed shell and tube condenser.Level-one liquid feeding pipeline leads to economizer from the main liquid packet in closed shell and tube condenser bottom, and second level liquid feeding pipeline leads to inlet at the top of downward film evaporator from economizer bottom, and tonifying Qi pipeline is from economizer Base top contact to magnetic suspension centrifugal compressor gas supplementing opening.For suction line from downward film evaporator Base top contact to magnetic suspension centrifugal compressor air entry, gas exhaust piping leads to condenser air inlet from magnetic suspension centrifugal compressor exhaust outlet.Bypass line leads to air entry from magnetic suspension centrifugal compressor gas exhaust piping.The small liquid packet of the independence of Liquid injection cooling pipeline from closed shell and tube condenser bottom leads to magnetic suspension centrifugal compressor mouth spray.It is compact-sized, rationally distributed, it can be ensured that unit stable, efficient operation at 0 ~ 2 DEG C of ice water leaving water temperature or so.

Description

A kind of magnetic suspension centrifugation ice water unit
Technical field
The utility model relates to refrigeration technology field, a kind of specific magnetic suspension centrifugation ice water unit.
Background technique
Magnetic suspension compressor realizes the oil-free operation of unit using advanced magnetic bearing technology, avoids Conventional press completely The high friction loss of bearing, the management and control of lubricating oil, it is ensured that brilliant efficiency and reliably, it is steady without friction, low noise for a long time Fixed operation is widely used in central air-conditioning of the cold water temperature not less than 3 DEG C and technical cooling field.
Existing magnetic suspension water cooler generally configures flooded evaporator, using suction superheat combination condenser side liquid level Feed flow controls the feed flow control method of electronic expansion valve opening, be easy when start-up phase water temperature is higher and load big ups and downs because Evaporator inner refrigerant Liquid level is unstable and leads to compressor air suction band liquid, influences set steady reliability service.Therefore, existing Magnetic suspension water cooler is unable to satisfy the industries such as growing dairy products beer for the demand of 0 ~ 3 DEG C of low temperature ice water.
To solve the above problems, the utility model proposes a kind of magnetic suspension to be centrifuged ice water unit.
Summary of the invention
The purpose of the utility model is to provide a kind of magnetic suspension to be centrifuged ice water unit, and specific technical solution is as follows:
A kind of magnetic suspension centrifugation ice water unit, comprising: magnetic suspension centrifugal compressor, downward film evaporator, horizontal shell-and-tube Condenser, economizer and level-one liquid feeding pipeline, second level liquid feeding pipeline, suction line and gas exhaust piping, bypass line, blowdown pipe Road, Liquid injection cooling pipeline etc..Downward film evaporator, the setting of closed shell and tube condenser side-by-side parallel, magnetic suspension centrifugal compressor It is arranged above downward film evaporator, economizer is arranged above closed shell and tube condenser.Level-one liquid feeding pipeline is from horizontal shell The main liquid packet of trumpet cooler bottom leads to economizer, and second level liquid feeding pipeline leads to downward film evaporator from economizer bottom The inlet at top, tonifying Qi pipeline is from economizer Base top contact to magnetic suspension centrifugal compressor gas supplementing opening.Suction line is from falling liquid film Formula evaporator Base top contact to magnetic suspension centrifugal compressor air entry, gas exhaust piping is drawn from magnetic suspension centrifugal compressor exhaust outlet To condenser air inlet.Bypass line leads to air entry from magnetic suspension centrifugal compressor gas exhaust piping.Tonifying Qi pipeline is from economy Device Base top contact is to magnetic suspension centrifugal compressor gas supplementing opening.The independence of Liquid injection cooling pipeline from closed shell and tube condenser bottom is small Liquid packet leads to magnetic suspension centrifugal compressor mouth spray.
The magnetic suspension is centrifuged ice water unit, it is characterised in that: the level-one liquid feeding pipeline and second level liquid feeding pipeline are set Set electric expansion valve.
The magnetic suspension is centrifuged ice water unit, it is characterised in that: the compressor air-discharging pipeline is close to horizontal shell-and-tube Check-valves is arranged in condenser side.
A kind of magnetic suspension is centrifuged ice water unit, it is characterised in that: the bypass line is in magnetic suspension centrifugal compressed It is drawn between machine exhaust outlet and check-valves, electric expansion valve is set on bypass line.
A kind of magnetic suspension is centrifuged ice water unit, it is characterised in that: electric expansion valve is arranged in the tonifying Qi pipeline.
A kind of magnetic suspension is centrifuged ice water unit, it is characterised in that: dry filter is arranged in the Liquid injection cooling pipeline Device.
A kind of magnetic suspension is centrifuged ice water unit, it is characterised in that: the unit is according to pressure at expulsion and pressure of inspiration(Pi) The real-time energy level of pressure difference and compressor and evaporating temperature of power and the difference of ice water leaving water temperature are to open according to calculating electric expansion valve Degree, to replace the existing method for controlling electronic expansion valve opening as signal using suction superheat and condenser liquid level.
By above structure configuration and circuit design, magnetic suspension centrifugation ice water unit described in the utility model can be in ice Stabilization, reliable, efficient operation at 0 ~ 3 DEG C of water leaving water temperature.
Detailed description of the invention
Fig. 1 is the system structure diagram that a kind of magnetic suspension is centrifuged ice water unit.1 magnetic suspension frequency conversion type centrifugation pressure in figure Contracting machine, 2 downward film evaporators, 3 closed shell and tube condensers, 4 economizers, 5 level-one liquid feeding pipelines, 6 second level liquid feeding pipelines, 7 mend Air pipe, 8 suction lines, 9 gas exhaust pipings, 10 bypass lines, 11 Liquid injection cooling pipelines, S1 electric expansion valve, S2 shut-off valve, S3 Device for drying and filtering.
Specific embodiment
The utility model is described in further detail with implementation method with reference to the accompanying drawing.
As shown in Figure 1, a kind of magnetic suspension is centrifuged ice water unit, comprising: magnetic suspension centrifugal compressor (1), falling film type evaporation Device (2), horizontal shell-and-tube cooler (3), economizer (4) and level-one liquid feeding pipeline (5), second level liquid feeding pipeline (6), tonifying Qi pipeline (7), suction line (8) and gas exhaust piping (9), bypass line (10), Liquid injection cooling pipeline (11) etc..Downward film evaporator (2), The setting of closed shell and tube condenser (3) side-by-side parallel, magnetic suspension centrifugal compressor (1) are arranged above downward film evaporator (2), Economizer (4) setting is above horizontal shell-and-tube cooler (3).Level-one liquid feeding pipeline (5) is from horizontal shell-and-tube cooler bottom Main liquid packet lead to economizer, second level liquid feeding pipeline (6) leads to the inlet at the top of evaporator, tonifying Qi from economizer bottom Pipeline (7) is from economizer Base top contact to magnetic suspension centrifugal compressor gas supplementing opening.Suction line (8) is at the top of downward film evaporator Gas outlet leads to magnetic suspension centrifugal compressor air entry, and gas exhaust piping (9) is led to from magnetic suspension centrifugal compressor exhaust outlet Horizontal shell-and-tube cooler air inlet.Bypass line (10) leads to air entry from magnetic suspension centrifugal compressor gas exhaust piping.Spray The small liquid packet of the independence of liquid cooling tube road (11) from horizontal shell-and-tube cooler bottom leads to magnetic suspension centrifugal compressor mouth spray. The level-one liquid feeding pipeline, second level liquid feeding pipeline and tonifying Qi pipeline setting electric expansion valve (S1).The compressor air-discharging pipeline Close to horizontal shell-and-tube cooler side setting check-valves (S2).The bypass line in magnetic suspension centrifugal compressor exhaust outlet and It is drawn between check-valves, electric expansion valve (S1) is set on bypass line.Device for drying and filtering is arranged in the Liquid injection cooling pipeline (S3)。
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personnel can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (7)

1. a kind of magnetic suspension is centrifuged ice water unit, comprising: magnetic suspension centrifugal compressor (1), downward film evaporator (2), horizontal pipe Shell tube condenser (3), economizer (4) and level-one liquid feeding pipeline (5), second level liquid feeding pipeline (6), tonifying Qi pipeline (7), suction line (8) it is condensed with gas exhaust piping (9), bypass line (10), Liquid injection cooling pipeline (11), downward film evaporator (2), horizontal shell-and-tube The setting of device (3) side-by-side parallel, magnetic suspension centrifugal compressor (1) are arranged above downward film evaporator, and economizer (4) setting is sleeping Above formula shell-and-tube cooler;Level-one liquid feeding pipeline (5) leads to economizer from the main liquid packet of horizontal shell-and-tube cooler bottom, Second level liquid feeding pipeline (6) leads to the inlet at the top of evaporator from economizer bottom, and tonifying Qi pipeline (7) draws at the top of economizer Out to magnetic suspension centrifugal compressor gas supplementing opening;Suction line (8) leads to magnetcisuspension from gas outlet at the top of downward film evaporator and floats off Heart compressor air suction mouth, gas exhaust piping (9) lead to horizontal shell-and-tube cooler air inlet from magnetic suspension centrifugal compressor exhaust outlet Mouthful;Bypass line (10) leads to air entry from magnetic suspension centrifugal compressor gas exhaust piping;Liquid injection cooling pipeline (11) is from horizontal The small liquid packet of the independence of shell-and-tube cooler bottom leads to magnetic suspension centrifugal compressor mouth spray.
2. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: the level-one liquid feeding pipeline (5) Electric expansion valve (S1) is set with second level liquid feeding pipeline (6).
3. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: the compressor air-discharging pipeline leans on Nearly horizontal shell-and-tube cooler side setting check-valves (S2).
4. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: the bypass line (10) is in magnetic It is drawn between suspended centrifugal exhaust outlet of compressor and check-valves, electric expansion valve (S1) is set on bypass line.
5. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: tonifying Qi pipeline (7) setting Electric expansion valve (S1).
6. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: the Liquid injection cooling pipeline (11) It is arranged device for drying and filtering (S3).
7. a kind of magnetic suspension as described in claim 1 is centrifuged ice water unit, it is characterised in that: the unit is according to pressure at expulsion It is according to calculating electronics with the real-time energy level of pressure difference and compressor and evaporating temperature of pressure of inspiration(Pi) and the difference of ice water leaving water temperature Expansion valve opening, to replace the existing side for controlling electronic expansion valve opening as signal using suction superheat and condenser liquid level Method.
CN201821853424.2U 2018-11-12 2018-11-12 A kind of magnetic suspension centrifugation ice water unit Active CN209042799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821853424.2U CN209042799U (en) 2018-11-12 2018-11-12 A kind of magnetic suspension centrifugation ice water unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821853424.2U CN209042799U (en) 2018-11-12 2018-11-12 A kind of magnetic suspension centrifugation ice water unit

Publications (1)

Publication Number Publication Date
CN209042799U true CN209042799U (en) 2019-06-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251701A (en) * 2021-06-15 2021-08-13 王雪峰 Modularized magnetic suspension centrifugal vapor compression circulation cold water heat pump unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251701A (en) * 2021-06-15 2021-08-13 王雪峰 Modularized magnetic suspension centrifugal vapor compression circulation cold water heat pump unit

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CP01 Change in the name or title of a patent holder

Address after: 116630, No. 106, Liaohe East Road, Dalian economic and Technological Development Zone, Liaoning

Patentee after: Iceberg cold and hot technology Co., Ltd

Address before: 116630, No. 106, Liaohe East Road, Dalian economic and Technological Development Zone, Liaoning

Patentee before: DALIAN REFRIGERATION Co.,Ltd.

CP01 Change in the name or title of a patent holder