CN105299941B - A kind of flooded screw machine handpiece Water Chilling Units - Google Patents
A kind of flooded screw machine handpiece Water Chilling Units Download PDFInfo
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- CN105299941B CN105299941B CN201510743876.XA CN201510743876A CN105299941B CN 105299941 B CN105299941 B CN 105299941B CN 201510743876 A CN201510743876 A CN 201510743876A CN 105299941 B CN105299941 B CN 105299941B
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- refrigerant
- low pressure
- pressure recycle
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- recycle bucket
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Abstract
The present invention provides a kind of flooded screw machine handpiece Water Chilling Units, including main frame, evaporator, oil eliminator, low pressure recycle bucket and horizontal condenser, the refrigerant inlet of the refrigerant outlet connection oil eliminator of main frame, the import of the refrigerant outlet connection evaporator of oil eliminator, the refrigerant inlet of the outlet connection low pressure recycle bucket of evaporator, the refrigerant inlet of the refrigerant outlet connection horizontal condenser of low pressure recycle bucket, the refrigerant outlet of horizontal condenser is connected with the air inlet of low pressure recycle bucket, and the gas outlet of low pressure recycle bucket and the refrigerant inlet of main frame connect；Flooded screw machine handpiece Water Chilling Units of the present invention absorb the characteristics of ammonia refrigeration energy-conservation, good refrigeration effect and freon safe ready, improve the refrigerating efficiency using freon as refrigerant system, comprehensive energy efficiency ratio is obviously improved, energy consumption is greatly reduced, automatic operating steady in a long-term can be achieved, avoid existing handpiece Water Chilling Units high energy consumption, the problem of operation and maintenance cost are high.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of flooded screw machine handpiece Water Chilling Units.
Background technology
Existing handpiece Water Chilling Units are divided to mainly by refrigerant two kinds of freon refrigeration and ammonia refrigeration, ammonia relative to freon its
Good refrigeration effect, refrigerated energy-saving, but it is low compared to freon handpiece Water Chilling Units security, and system maintenance cost is high, and freon
Handpiece Water Chilling Units generally have the characteristics of safe and reliable, easy to maintain.And due to used in the handpiece Water Chilling Units using two kinds of refrigerants
Refrigeration plant set different, thus can not carry out general, this, which allows for existing handpiece Water Chilling Units, can not have refrigeration to imitate simultaneously
Both high and safe effects of rate.
Therefore, prior art needs further to improve.
The content of the invention
In view of the deficiencies in the prior art, the invention reside in provide a kind of flooded screw machine handpiece Water Chilling Units, it is intended to solves existing
Have handpiece Water Chilling Units can not have simultaneously high cooling efficiency and it is safe the problem of.
Technical scheme is as follows：
A kind of flooded screw machine handpiece Water Chilling Units, wherein, including it is main frame, evaporator, oil eliminator, low pressure recycle bucket, sleeping
Formula condenser and reservoir, the refrigerant inlet of the refrigerant outlet connection oil eliminator of the main frame, the oil eliminator
Refrigerant outlet connects the import of evaporator, the import of the outlet connection reservoir of the evaporator, and the reservoir outlet connects
The refrigerant inlet of low pressure recycle bucket is connect, the refrigerant of the refrigerant outlet connection horizontal condenser of the low pressure recycle bucket enters
Mouthful, the refrigerant outlet of the horizontal condenser is connected with the air inlet of low pressure recycle bucket, the gas outlet of the low pressure recycle bucket
It is connected with the refrigerant inlet of main frame；It is cold that refrigerant gas after main frame compression enters evaporator after oil eliminator separates
Solidifying, refrigerant enters low pressure recycle bucket and further flowed into horizontal condenser and absorbs heat after condensation, the refrigerant after heat absorption from
Returned in horizontal condenser through air inlet in low pressure recycle bucket, the refrigerator gas in low pressure recycle bucket is entered by gas outlet to be led
Next kind of refrigeration cycle is formed in machine.
Described flooded screw machine handpiece Water Chilling Units, wherein, refrigerant used in flooded screw machine handpiece Water Chilling Units is fluorine profit
It is high.
Described flooded screw machine handpiece Water Chilling Units, wherein, the low pressure recycle bucket set location is higher than horizontal condenser
Set location, the refrigerant in low pressure recycle bucket is set to enter horizontal condenser under gravity through refrigerant outlet.
Described flooded screw machine handpiece Water Chilling Units, wherein, the difference in height of the low pressure recycle bucket and horizontal condenser is
1.2-2.1 rice.
Described flooded screw machine handpiece Water Chilling Units, wherein, the machine oil of the machine oil outlet connection main frame of the oil eliminator
Import.
Described flooded screw machine handpiece Water Chilling Units, wherein, the horizontal condenser bottom is provided with for storing machine oil
Oil sac, the horizontal condenser connects oil sac by pipeline, and the oil sac is connected to main frame, the oil return by return line
Jet pump is provided with pipeline, the machine oil of the horizontal condenser deposition enters oil sac and further makes machine oil edge by jet pump
Return line enters main frame.
Described flooded screw machine handpiece Water Chilling Units, wherein, the main frame is arranged to more, the circulation loop of each main frame
It is in parallel.
Beneficial effect：The present invention provides a kind of flooded screw machine handpiece Water Chilling Units, passes through the system design of uniqueness so that should
Handpiece Water Chilling Units absorb the characteristics of ammonia refrigeration energy-conservation, good refrigeration effect and freon safe ready, greatly improve with fluorine profit
The high refrigerating efficiency as refrigerant system, comprehensive energy efficiency ratio are obviously improved, and energy consumption is greatly reduced, so that the present invention
Handpiece Water Chilling Units have the extremely strong market competitiveness.
Brief description of the drawings
Fig. 1 is the configuration diagram of flooded screw machine handpiece Water Chilling Units in the specific embodiment of the invention.
Embodiment
The present invention provides a kind of flooded screw machine handpiece Water Chilling Units, to make the purpose of the present invention, technical scheme and effect more
Add clear, clear and definite, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
A kind of flooded screw machine handpiece Water Chilling Units as shown in Figure 1, including main frame 100（That is helical-lobe compressor）, evaporator
200th, oil eliminator 300, low pressure recycle bucket 400 and horizontal condenser 500, the refrigerant outlet connection oil of the main frame 100
From the refrigerant inlet of device 300, the import of the refrigerant outlet connection evaporator 200 of the oil eliminator 300, the evaporator
The import of 200 outlet connection reservoir 600, the refrigerant inlet of the outlet of the reservoir 600 connection low pressure recycle bucket 400,
The refrigerant inlet of the refrigerant outlet connection horizontal condenser of the low pressure recycle bucket 400, the system of the horizontal condenser 500
Cryogen outlet is connected with the air inlet of low pressure recycle bucket 400, the gas outlet of the low pressure recycle bucket 400 and the refrigeration of main frame 100
Agent import connects；Refrigerant gas after the compression of main frame 100 enters evaporator 200 after the separation of oil eliminator 300 and condensed, cold
Refrigerant enters in reservoir 600 and stored after solidifying, and refrigerant enters low pressure recycle bucket 400 and further flowed into sleeping in reservoir
Absorbed heat in formula condenser 500, complete heat exchange, the refrigerant after heat absorption returns to low pressure from horizontal condenser 500 through air inlet
In circulation barrel 400, refrigerator gas in low pressure recycle bucket 400 is entered in main frame by gas outlet to be formed next refrigeration and follows
Ring.
Oil eliminator can be separated the mixed oil and gas after main frame, and the machine oil after separation is back into main frame
It is middle to be used for main frame, and the refrigerant gas isolated then carries out condensation cooling into evaporator, the refrigeration after evaporator
Agent, which enters in reservoir, to be stored, and can be at any time passed into low pressure recycle bucket and be participated in kind of refrigeration cycle.
Wherein, refrigerant used in flooded screw machine handpiece Water Chilling Units of the invention is freon.Also, the low pressure recycle
Bucket set location is higher than horizontal condenser set location, makes the refrigerant in low pressure recycle bucket through refrigerant outlet in Action of Gravity Field
It is lower to enter horizontal condenser.The flooded screw machine handpiece Water Chilling Units of the present invention change the traditional feed flow side of freon refrigeration system
Formula, traditional expansion valve is substituted using the supply of gravity liquid and supplies refrigeration, is added so as to solve traditional freon using expansion valve
Distributor causes refrigerator pipes refrigeration to distribute unbalanced problem, and the horizontal condenser of the present invention can be made to realize complete equipilibrium system
It is cold, so as to substantially increase freon refrigeration efficiency, and save electric energy.Also, the present invention uses freon as refrigerant
For flooded screw machine handpiece Water Chilling Units compared to ammonia refrigeration handpiece Water Chilling Units, without manual operation, automatic running is safe, safeguards
Cost is low.
The effect of low pressure recycle bucket is after the refrigerant that will be sent in reservoir is further cooled down by the air-breathing of main frame, to use
The method of gravity supply, the heat absorption being fed in water condenser, the gas after heat absorption are returned to the import of low pressure recycle bucket and enter to advance
One step gas-liquid separation, the gas after separation enter back into main frame air entry, and it is white to ensure that main frame will not fall.
Preferably, the difference in height of the low pressure recycle bucket and horizontal condenser is 1.2-2.1 rice.Can under this difference in height
Ensure the efficient operation of condenser, make it have highest heat exchanger effectiveness, while also ensure that refrigerant circulation backflow is timely,
Ensure the normal trouble free service of main frame.
In addition, the machine oil import of the machine oil outlet connection main frame of the oil eliminator, so that being separated by oil eliminator
Obtained machine oil can be transmitted back to main frame in time to supplement machine oil in main frame, it is ensured that the permanent steady operation of main frame.
In preferred embodiment, the horizontal condenser bottom is provided with the oil sac 700 for storing machine oil, described horizontal cold
Condenser connects oil sac by pipeline, and the oil sac is connected to main frame by return line, due to changing on original for lower suction
Machine oil is mixed with the refrigerant that process enters in horizontal condenser, machine oil can be under gravity gradually in horizontal condenser bottom
Deposition, the machine oil excessively deposited can cause the reduction of horizontal condenser heat exchange efficiency, therefore, horizontal cold in handpiece Water Chilling Units of the present invention
Condenser bottom connects oil sac by pipeline, and the machine oil deposited in horizontal condenser can be imported into oil sac by the oil sac, and be utilized
Machine oil is directed back in main frame by the return line set on oil sac so that machine oil can recycle, it is ensured that the length of handpiece Water Chilling Units
Phase steady operation, specifically, jet pump 800 is provided with the return line, the jet pump makes the pressure energy of gases at high pressure
The speed that being converted to kinetic energy makes high pressure draught after nozzle reaches a very high value, and now the region around fluid is in negative pressure
State, and diffusing opening is entered back into after low-pressure fluid introducing is mixed two fluids, convert thereof into pressure energy and complete entirely to draw
The effect of penetrating.Specifically, the driven fluid entrance of the jet pump is connected evaporator pipeline connection, the injection with oil eliminator
The outlet of the machine oil of the driving fluid entrance of pump and oil sac connects, and the refrigerant that the jet of the jet pump is connected to main frame enters
Mouthful, refrigerant from low pressure recycle bucket enter main frame during, jet pump to main frame supply refrigerant process in, can be by oil sac
Machine oil is suctioned out and entered in jet pump, the machine oil of sucking-off is entered together with refrigerant in main frame and is participated in kind of refrigeration cycle.
The flooded screw machine handpiece Water Chilling Units of the present invention also include control system, and the control system is PLC control system,
It monitors the situation of whole system and worked according to the work of testing result automatic adjustment system, the control system control main frame,
The control system and the magnetic induction liquid level gauge, the magnetic inducted level switch that are set in the equipment such as low pressure recycle bucket, reservoir simultaneously
And the connection such as floating ball type switch, so as to realize the real-time monitoring of system running state, and can be according to feedback data to system
Effectively adjusted, it is ensured that system is in safe and reliable state all the time.
Kind of refrigeration cycle can be sketched：After handpiece Water Chilling Units start, the refrigerant in reservoir is entered in low pressure recycle bucket, and
Progress heat exchange in horizontal condenser being entered along pipeline under gravity and becoming gaseous state, the refrigerant for completing heat exchange returns
Into low pressure recycle bucket, the refrigerant of liquid and the gaseous refrigerant on bucket top, gaseous refrigerant in low pressure recycle bucket now be present
Agent is drawn into be compressed in main frame after enter in oil eliminator, steaming is passed into after oil eliminator separates refrigerant
Cooling is condensed into liquid in hair device, then goes through to store in reservoir and waits to enter next kind of refrigeration cycle, oil eliminator separation
The machine oil gone out is back to main frame to supplement machine oil.In horizontal condenser the machine oil of deposition can in the presence of oil sac and jet pump and
When exclude to enter main frame from horizontal condenser, so that it is guaranteed that the machine oil in whole unit can be always held at a reasonable water
It is flat, traditional full-liquid type handpiece Water Chilling Units are avoided because machine oil needs constantly addition to cause unit can not long-time stable work and fortune
The problem of row cost increase.It is to pass through weight because refrigerant enters horizontal condenser from low pressure recycle bucket in kind of refrigeration cycle
Power effect be pumped into without traditional, therefore handpiece Water Chilling Units of the present invention compared to existing handpiece Water Chilling Units save energy consumption reduce into
This, while evaporation of the handpiece Water Chilling Units of the present invention by Action of Gravity Field into the mode horizontal condenser of horizontal condenser feed flow
Device is in " full " state, and its high load capacity can be made to work, so as to have high heat exchanger effectiveness so that handpiece Water Chilling Units of the present invention
Refrigeration efficiency be significantly larger than traditional freon refrigeration system.
The horizontal condenser of the present invention is compared to traditional fluorine horizontal-type evaporator or refrigeration piping accumbency mode, and it is significantly
The evaporation rate of freon is accelerated, improves heat exchanger effectiveness, thus improves refrigeration efficiency, energy consumption reduces.This hair simultaneously
The feed liquid way of bright flooded screw machine handpiece Water Chilling Units in turn ensures that the safe and reliable requirement of freon.
The present invention provides a kind of flooded screw machine handpiece Water Chilling Units, and the system absorbs ammonia refrigeration energy-conservation, good refrigeration effect
And the characteristics of freon safe ready, greatly improve the refrigerating efficiency using freon as refrigerant system, comprehensive energy efficiency
Than being obviously improved, energy consumption is greatly reduced, and can realize automatic operating steady in a long-term, avoids existing handpiece Water Chilling Units energy
The problem of consumption is high, and maintenance cost is high, and operating cost rises steadily with run time.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (3)
1. a kind of flooded screw machine handpiece Water Chilling Units, it is characterised in that including main frame, evaporator, oil eliminator, low pressure recycle
Bucket, horizontal condenser and reservoir, the refrigerant inlet of the refrigerant outlet connection oil eliminator of the main frame, the oil separation
The import of the refrigerant outlet connection evaporator of device, the import of the outlet connection reservoir of the evaporator, the reservoir go out
The refrigerant inlet of mouth connection low pressure recycle bucket, the refrigerant of the refrigerant outlet connection horizontal condenser of the low pressure recycle bucket
Import, the refrigerant outlet of the horizontal condenser are connected with the air inlet of low pressure recycle bucket, the outlet of the low pressure recycle bucket
Mouth is connected with the refrigerant inlet of main frame；It is cold that refrigerant gas after main frame compression enters evaporator after oil eliminator separates
Solidifying, refrigerant enters low pressure recycle bucket and further flowed into horizontal condenser and absorbs heat after condensation, the refrigerant after heat absorption from
Returned in horizontal condenser through air inlet in low pressure recycle bucket, the refrigerator gas in low pressure recycle bucket is entered by gas outlet to be led
Next kind of refrigeration cycle is formed in machine；
The low pressure recycle bucket set location is higher than horizontal condenser set location, makes the refrigerant in low pressure recycle bucket through refrigeration
Agent outlet enters horizontal condenser under gravity；
Refrigerant used in flooded screw machine handpiece Water Chilling Units is freon；
The machine oil import of the machine oil outlet connection main frame of the oil eliminator；
The horizontal condenser bottom is provided with the oil sac for storing machine oil, and the horizontal condenser connects oil by pipeline
Capsule, the oil sac are connected to main frame by return line, and jet pump is provided with the return line, and the horizontal condenser sinks
Long-pending machine oil enters oil sac and further machine oil is entered main frame along return line by jet pump.
2. flooded screw machine handpiece Water Chilling Units according to claim 1, it is characterised in that the low pressure recycle bucket with it is horizontal
The difference in height of condenser is 1.2-2.1 rice.
3. flooded screw machine handpiece Water Chilling Units according to claim 1, it is characterised in that the main frame is arranged to more,
The circulation loop of each main frame is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743876.XA CN105299941B (en) | 2015-11-05 | 2015-11-05 | A kind of flooded screw machine handpiece Water Chilling Units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743876.XA CN105299941B (en) | 2015-11-05 | 2015-11-05 | A kind of flooded screw machine handpiece Water Chilling Units |
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| Publication Number | Publication Date |
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| CN105299941A CN105299941A (en) | 2016-02-03 |
| CN105299941B true CN105299941B (en) | 2017-12-19 |
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| CN201510743876.XA Active CN105299941B (en) | 2015-11-05 | 2015-11-05 | A kind of flooded screw machine handpiece Water Chilling Units |
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| CN106196796B (en) * | 2016-08-30 | 2019-03-05 | 谭洪德 | A kind of automatic ice-making system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212354A (en) * | 1997-09-19 | 1999-03-31 | 张步健 | Ammonia refrigeration system cyclically-utilizing lubricating oil |
| JP4080605B2 (en) * | 1998-08-26 | 2008-04-23 | 株式会社前川製作所 | Full liquid cooler |
| WO2008112569A2 (en) * | 2007-03-09 | 2008-09-18 | Johnson Controls Technology Company | Refrigeration system |
| CN201363948Y (en) * | 2009-02-27 | 2009-12-16 | 天津新技术产业园区大远东制冷设备工程技术有限公司 | Refrigerating machine utilizing fluorine pump to supply liquid |
| CN202361698U (en) * | 2011-11-30 | 2012-08-01 | 武汉新世界制冷工业有限公司 | Thermo-syphon oil cooling system of screw refrigerating compressor |
| CN203810783U (en) * | 2014-03-28 | 2014-09-03 | 乐金空调(山东)有限公司 | Mixed heat recovery water cooling screw rod cold water/heat pump unit |
| CN205119541U (en) * | 2015-11-05 | 2016-03-30 | 谭洪德 | Hydraulic filling formula screw rod machine cooling water set |
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