CN106813428A - A kind of refrigerating circulatory device with Liquid level - Google Patents

A kind of refrigerating circulatory device with Liquid level Download PDF

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Publication number
CN106813428A
CN106813428A CN201710192819.6A CN201710192819A CN106813428A CN 106813428 A CN106813428 A CN 106813428A CN 201710192819 A CN201710192819 A CN 201710192819A CN 106813428 A CN106813428 A CN 106813428A
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CN
China
Prior art keywords
evaporator
liquid level
outer cylinder
cylinder body
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710192819.6A
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Chinese (zh)
Inventor
曹德云
张建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANFANG SQUARE COLD CHAIN EQUIPMENT CO Ltd
Original Assignee
NANFANG SQUARE COLD CHAIN EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANFANG SQUARE COLD CHAIN EQUIPMENT CO Ltd filed Critical NANFANG SQUARE COLD CHAIN EQUIPMENT CO Ltd
Priority to CN201710192819.6A priority Critical patent/CN106813428A/en
Publication of CN106813428A publication Critical patent/CN106813428A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a kind of refrigerating circulatory device with Liquid level, including low pressure recycle cylinder, refrigerated medium pump, stop valve, filter, magnetic valve, evaporator feed flow collector, evaporator, evaporator return-air collector, fluid level control device.Fluid level controller is housed on fluid level control device cylinder, will be stopped when liquid level reaches control point in fluid level control device to feed flow in evaporator, when evaporator puts lower section H in low pressure recycle bucket position(H > 5)During the rice above, prevent refrigerant liquid from hydrostatic column is formed in evaporation, so as to influence refrigeration.The present invention has simple structure, eliminates hydrostatic column, maintains evaporator evaporation temperature and low pressure recycle bucket close, the advantage of good refrigeration effect.

Description

A kind of refrigerating circulatory device with Liquid level
Technical field:
The present invention relates to a kind of refrigerating circulatory device with Liquid level, in particularly suitable pump feed flow or gravity force liquid-supply system.
Background technology:
It is currently to be directly entered evaporator by valve again by refrigerated medium pump from low pressure recycle bucket, refrigerant liquid is steaming Heat absorption evaporation, returns to low pressure and follows with refrigerant liquid mixture from evaporator refrigerant gas out by muffler in hair device Ring bucket, when low pressure recycle bucket is larger with evaporator vertical range, evaporator inside is easily formed because fluid column effect produces pressure Power △ P, if evaporating pressure P1 in low pressure recycle bucket, then evaporimeter internal pressure is P1+ △ P, inevitable due to being saturation state Evaporating temperature in evaporator is caused to rise, so as to influence refrigeration.
The content of the invention:
The invention aims to overcome the shortcomings of the above, there is provided a kind of simple structure, eliminate hydrostatic column, be able to maintain that evaporation Device evaporating temperature is close with low pressure recycle bucket, the refrigeration preferably refrigerating circulatory device with Liquid level.
The purpose of the present invention is achieved through the following technical solutions:A kind of refrigerating circulatory device with Liquid level, including Low pressure recycle bucket, the bottom of the low pressure recycle bucket is connected with refrigerated medium pump by pipeline, and refrigerant liquid is in the refrigerated medium pump In the presence of, the first stop valve, filter, magnetic valve and the second stop valve are sequentially passed through, into evaporator feed flow collector, in institute State evaporator feed flow collector to install on an evaporator, one end of muffler, the muffler are also associated with the evaporator The other end be connected by fluid level control device and low pressure recycle barrel,
Further improvement of the present invention is:The fluid level control device includes cylinder, end socket and connected entrance, in the cylinder Upper end is provided with end socket, and connected entrance is connected with the lower end of the cylinder, and inlet and outlet is provided with the cylinder, it is described go out Cylinder below mouthful is provided with Liquid level mouthful.
Further improvement of the present invention is:The fluid level control device includes outer cylinder body, inner barrel with holes, end socket and company Port, is provided with inner cylinder with holes in the outer cylinder body, inlet and outlet is provided with the outer cylinder body top, below the outlet Outer cylinder body on be connected with Liquid level mouthful, be connected with connected entrance, the import and outer cylinder body in the bottom of the outer cylinder body Barrel is oriented in a tangential direction into outer cylinder body and the interlayer of inner barrel with holes, and the outlet is in outer inner barrel porch to top Bending, the inner cylinder with holes is connected by cushion block with outer cylinder body.
Further improvement of the present invention is:The logical check valve in the fluid level control device bottom is connected with feed flow collector.
The present invention has advantages below compared with prior art:
Simple structure, eliminate hydrostatic column, be able to maintain that evaporator evaporation temperature and low pressure recycle bucket is close, good refrigeration effect.
Brief description of the drawings:
Fig. 1 is the structural representation of the first implementation method of the invention;
Fig. 2 is the structural representation of fluid level control device;
Fig. 3 is the structural representation of another embodiment of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is gas-liquid separation device principle;
Label in Fig. 1,2:1- low pressure recycles bucket, 2- refrigerated medium pumps, the stop valves of 3- first, 4- filters, 5- magnetic valves, 6- second Stop valve, 7- check valves, 8- evaporator feed flows collector, 9- evaporators, 10- mufflers, 11- fluid level control devices, 11-1- Body, 11-2- end sockets, 11-3- connected entrances, 11-4- imports, 11-5- outlets, 11-6- Liquid levels mouthful.
Label in Fig. 3:11a1- outer cylinder bodies, 11f- inner barrel with holes, 11a2- end sockets, 11b- connected entrances, 11d- imports, 11e- outlets, 11g- cushion blocks.
Specific embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, the implementation Example is only used for explaining the present invention, is not intended to limit the scope of the present invention..
As Fig. 1-5 shows a kind of several embodiments of the refrigerating circulatory device with Liquid level of the present invention:
Embodiment 1:
A kind of refrigerating circulatory device with Liquid level, including low pressure recycle bucket 1, the bottom of the low pressure recycle bucket 1 is by pipe Road is connected with refrigerated medium pump 2, and refrigerant liquid sequentially passes through the first stop valve 3, filter in the presence of the refrigerated medium pump 2 4th, the stop valve 6 of magnetic valve 5 and second, into evaporator feed flow collector 8, evaporator 9 is arranged in the evaporator feed flow collector 8 On, one end of muffler 10 is also associated with the evaporator 9, the other end of the muffler 10 passes through fluid level control device 11 are connected with low pressure recycle bucket 1;Refrigerant liquid heat absorption evaporation in the evaporator 9, evaporator air after evaporation with do not evaporate Refrigerant liquid enter evaporator return-air collector 10, then by pipeline enter low pressure recycle cylinder 1, continue cycling through.In evaporation One fluid level control device 11, the bottom of fluid level control device 11 and feed flow collection are housed between device feed flow collector 8 and return-air collector 10 Check valve 7 is housed, to ensure that the refrigerant liquid come from refrigerated medium pump 2 must not enter in fluid level control device between pipe.Liquid Level control device top connects with evaporator return-air collector 10, and fluid level control device top is direct-connected with low pressure recycle bucket by pipeline Connect;The fluid level control device 11 includes cylinder 11-1, end socket 11-2 and connected entrance 11-3, is set in the upper end of the cylinder 11-1 Have end socket 11-2, connected entrance 11-3 be connected with the lower end of the cylinder 11-1, be provided with the cylinder 11 import 11-4 and Outlet 11-5, is provided with Liquid level mouthful 11-6, under the fluid level control device on the cylinder 11-1 below the outlet 11-5 The logical check valve 4 in portion is connected with feed flow collector 8, prevents from entering fluid level control device by the liquid of refrigerated medium pump, by gasification Refrigerant air-liquid mixing valve enters fluid level control device by return-air collector, and gas-liquid separation, gas are carried out in fluid level control device Body enters low pressure recycle bucket by muffler, and liquid is collected at fluid level control device bottom, when liquid level reaches control mouth, feed flow Magnetic valve 5 is closed, and is stopped to the feed flow of evaporator 9, and fluid level control device lower liquid is freezed into evaporator.
Embodiment 2:
A kind of refrigerating circulatory device with Liquid level, including low pressure recycle bucket 1, the bottom of the low pressure recycle bucket 1 is by pipe Road is connected with refrigerated medium pump 2, and refrigerant liquid sequentially passes through the first stop valve 3, filter 4 in the presence of the refrigerated medium pump 2 With magnetic valve 5, into evaporator feed flow collector 8, it is arranged on evaporator 9 in the evaporator feed flow collector 8, in the evaporation One end of muffler 10 is also associated with device 9, the other end of the muffler 10 passes through fluid level control device 11 and low pressure recycle Bucket 1 is connected, and the fluid level control device 11 includes outer cylinder body 11a1, inner barrel 11f with holes, end socket 11a2 and connected entrance 11b, Inner cylinder 11f with holes is provided with the outer cylinder body 11a1-1, import 11d and outlet 11e are provided with the outer cylinder body 11a1 tops, Liquid level mouthful 11c is connected with outer cylinder body 11a1 below the outlet 11e, is connected with the bottom of the outer cylinder body 11a1 The barrel of connected entrance 11b, the import 11d and outer cylinder body 11f is oriented in a tangential direction into outer cylinder body 11a1 and inner barrel 11f with holes Interlayer in, the outlet 11e at outer cylinder body 11a1 interior inlets to upper bend, the inner cylinder 11f with holes pass through cushion block 11g is connected with outer cylinder body 11a1;The logical check valve 4 in the fluid level control device bottom is connected with feed flow collector 8, prevents by refrigeration The liquid of agent pump enters fluid level control device.Liquid level is entered by return-air collector by the refrigerant air-liquid mixing valve for gasifying Device, carries out gas-liquid separation in fluid level control device, and gas enters low pressure recycle bucket by muffler, and liquid is collected at liquid level Control device bottom, when liquid level reaches control mouth, liquid supply electromagnetic valve 5 is closed, and is stopped to the feed flow of evaporator 9, Liquid level dress Lower liquid is put to be freezed into evaporator.It is this relatively above a kind of fluid level control device, gas-liquid separation effect more preferably because Refrigerant air-liquid mixture, by return-air collector 10, enters, due to air-flow from evaporator 9 along the inwall of fluid level control device 11 Into, with certain speed, so carrying out gas-liquid centrifugation in the fluid level control device 11, making gas during fluid level control device Liquid separating effect is more preferable.
Simple structure of the present invention, eliminate hydrostatic column, be able to maintain that evaporator evaporation temperature and low pressure recycle bucket is close, refrigeration Effect is good.Fluid level controller is housed on fluid level control device cylinder, will be stopped when liquid level reaches control point in fluid level control device Only to feed flow in evaporator, when evaporator puts lower section H in low pressure recycle bucket position(H > 5)During the rice above, refrigerant liquid is prevented Hydrostatic column is formed in evaporation, so as to influence refrigeration.
The another statement of applicant, the present invention illustrates implementation method of the invention and apparatus structure by above-described embodiment, But the invention is not limited in above-mentioned implementation method, that is, do not mean that the present invention has to rely on the above method and structure could be real Apply.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention, to implementation method selected by the present invention etc. Effect replacement and addition, the selection of concrete mode of step etc., all fall within protection scope of the present invention and scope of disclosure.
The present invention is not limited to above-mentioned implementation method, it is all using and similar structure of the invention and its method realize the present invention All modes of purpose, within protection scope of the present invention.

Claims (4)

1. a kind of refrigerating circulatory device with Liquid level, it is characterised in that:Including low pressure recycle bucket(1), the low pressure recycle Bucket(1)Bottom refrigerated medium pump is connected with by pipeline(2), refrigerant liquid is in the refrigerated medium pump(2)In the presence of, pass through successively Cross the first stop valve(3), filter(4)Magnetic valve(5)With the second stop valve(6), into evaporator feed flow collector(8), institute State evaporator feed flow collector(8)Installed in evaporator(9)On, in the evaporator(9)On be also associated with muffler(10)One End.
2. muffler described in(10)The other end pass through fluid level control device(11)With low pressure recycle bucket(1)It is connected,
Refrigerating circulatory device with Liquid level according to claim 1, it is characterised in that:The fluid level control device (11)Including cylinder(11-1), end socket(11-2)And connected entrance(11-3), in the cylinder(11-1)Upper end be provided with end socket (11-2), in the cylinder(11-1)Lower end be connected with connected entrance(11-3), in the cylinder(11)It is provided with import(11- 4)And outlet(11-5), in the outlet(11-5)The cylinder of lower section(11-1)It is provided with Liquid level mouthful(11-6).
3. the refrigerating circulatory device with Liquid level according to claim 1, it is characterised in that:The fluid level control device (11)Including outer cylinder body(11a1), inner barrel with holes(11f), end socket(11a2)And connected entrance(11b), in the outer cylinder body (11a1-1)Inside it is provided with inner cylinder with holes(11f), in the outer cylinder body(11a1)Top is provided with import(11d)And outlet(11e), The outlet(11e)The outer cylinder body of lower section(11a1)On be connected with Liquid level mouthful(11c), in the outer cylinder body(11a1)Under Portion is connected with connected entrance(11b), the import(11d)With outer cylinder body(11f)Barrel be oriented in a tangential direction and enter outer cylinder body (11a1)With inner barrel with holes(11f)Interlayer in, the outlet(11e)In outer cylinder body(11a1)It is curved to top at interior inlet Song, the inner cylinder with holes(11f)By cushion block(11g)With outer cylinder body(11a1)Connection.
4. the refrigerating circulatory device with Liquid level according to Claims 2 or 3, it is characterised in that:The Liquid level Device bottom leads to check valve(7)With feed flow collector(8)It is connected.
CN201710192819.6A 2017-03-28 2017-03-28 A kind of refrigerating circulatory device with Liquid level Pending CN106813428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710192819.6A CN106813428A (en) 2017-03-28 2017-03-28 A kind of refrigerating circulatory device with Liquid level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710192819.6A CN106813428A (en) 2017-03-28 2017-03-28 A kind of refrigerating circulatory device with Liquid level

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CN106813428A true CN106813428A (en) 2017-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629091A (en) * 2021-01-12 2021-04-09 乳山市创新新能源科技有限公司 LNG cold energy recovery and ice making system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697087A1 (en) * 1994-03-03 1996-02-21 General Electric Company Refrigerant flow rate control based on liquid level in dual evaporator two-stage refrigeration cycles
CN2241849Y (en) * 1995-07-25 1996-12-04 陈乃贤 Inforced mixing circulation liquid supply arrangement
CN101368775A (en) * 2008-10-08 2009-02-18 天津商业大学 Natural circulation gravity force liquid-supply evaporator
JP2011038704A (en) * 2009-08-11 2011-02-24 Mayekawa Mfg Co Ltd Method and device for circulating refrigerant to low-pressure liquid receiving apparatus in refrigeration unit
CN205784059U (en) * 2016-05-17 2016-12-07 台州龙江化工机械科技有限公司 A kind of ammonia circulation barrel combination unit
CN206803570U (en) * 2017-03-28 2017-12-26 南通四方冷链装备股份有限公司 A kind of refrigerating circulatory device with Liquid level

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697087A1 (en) * 1994-03-03 1996-02-21 General Electric Company Refrigerant flow rate control based on liquid level in dual evaporator two-stage refrigeration cycles
CN2241849Y (en) * 1995-07-25 1996-12-04 陈乃贤 Inforced mixing circulation liquid supply arrangement
CN101368775A (en) * 2008-10-08 2009-02-18 天津商业大学 Natural circulation gravity force liquid-supply evaporator
JP2011038704A (en) * 2009-08-11 2011-02-24 Mayekawa Mfg Co Ltd Method and device for circulating refrigerant to low-pressure liquid receiving apparatus in refrigeration unit
CN205784059U (en) * 2016-05-17 2016-12-07 台州龙江化工机械科技有限公司 A kind of ammonia circulation barrel combination unit
CN206803570U (en) * 2017-03-28 2017-12-26 南通四方冷链装备股份有限公司 A kind of refrigerating circulatory device with Liquid level

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629091A (en) * 2021-01-12 2021-04-09 乳山市创新新能源科技有限公司 LNG cold energy recovery and ice making system

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Application publication date: 20170609

RJ01 Rejection of invention patent application after publication