CN205119542U - Hydraulic filling formula screw rod machine quick -freezer unit - Google Patents
Hydraulic filling formula screw rod machine quick -freezer unit Download PDFInfo
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- CN205119542U CN205119542U CN201520875769.8U CN201520875769U CN205119542U CN 205119542 U CN205119542 U CN 205119542U CN 201520875769 U CN201520875769 U CN 201520875769U CN 205119542 U CN205119542 U CN 205119542U
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Abstract
The utility model provides a hydraulic filling formula screw rod machine quick -freezer unit, it includes that compressor, evaporimeter, external oil separator, low -pressure circulation barrel and quick -freeze calandria make up, the external oil separator's of refrigerant exit linkage of compressor refrigerant import, the import of oil separator's refrigerant exit linkage evaporimeter, the exit linkage low -pressure circulation barrel's of evaporimeter refrigerant import, the refrigerant import of low -pressure circulation barrel's refrigerant exit linkage quick -freeze calandria combination, the refrigerant export of quick -freeze calandria combination is connected with low -pressure circulation barrel's air inlet, low -pressure circulation barrel's the gas outlet and the refrigerant access connection of compressor. The utility model discloses hydraulic filling formula screw rod machine quick -freezer unit has absorbed ammonia refrigeration energy -conservation, refrigeration effect reaches the convenient characteristics of freon safety well, has promoted the refrigeration efficiency who regards as the refrigerant system with freon greatly, synthesizes the energy efficiency ratio and is obviously promoted, and the energy consumption reduces by a wide margin, thereby makes the utility model discloses the freezer unit has extremely strong market competition.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of flooded screw machine quick-freezer unit.
Background technology
Divide by cold-producing medium in current refrigeration industry and mainly contain freon refrigeration and ammonia refrigeration two kinds, ammonia is relative to its good refrigeration effect of freon, and refrigerating efficiency is high, but ammonia refrigeration security is lower, and freon then has safe and reliable, feature easily.Because the principle respectively based on two kinds of refrigeration systems of two kinds of cold-producing mediums is different, equipment arranges difference, cannot carry out general, and therefore, existing quick-freezer unit cannot realize energy-conservation and safe two kinds of effects simultaneously.
Therefore, prior art needs to improve further.
Utility model content
In view of the deficiencies in the prior art, the utility model is to provide a kind of flooded screw machine quick-freezer unit, is intended to solve the problem that existing freezer unit cannot take into account energy-conservation and safe two kinds of effects simultaneously.
The technical solution of the utility model is as follows:
A kind of flooded screw machine quick-freezer unit, wherein, comprise compressor, evaporimeter, external oil eliminator, low pressure recycle bucket and the combination of quick-frozen comb, the refrigerant outlet of described compressor connects the refrigerant inlet of external oil eliminator, the refrigerant outlet of described oil eliminator connects the import of evaporimeter, the outlet of described evaporimeter connects the refrigerant inlet of low pressure recycle bucket, the refrigerant outlet of described low pressure recycle bucket connects the refrigerant inlet of quick-frozen comb combination, the refrigerant outlet of described quick-frozen comb combination is connected with the air inlet of low pressure recycle bucket, the described gas outlet of low pressure recycle bucket is connected with the refrigerant inlet of compressor, refrigerant gas after compressor compresses enters into evaporator condensation after external oil eliminator is separated, after condensation, cold-producing medium enters into low pressure recycle bucket and flows into quick-frozen comb combination heat absorption further, cold-producing medium after heat absorption becomes gaseous state and gets back in low pressure recycle bucket through air inlet from the combination of quick-frozen comb, and the refrigerator gas in low pressure recycle bucket is entered in compressor by gas outlet and forms next kind of refrigeration cycle.
Described flooded screw machine quick-freezer unit flooded screw machine quick-freezer unit, wherein, described cold-producing medium is freon.
Described flooded screw machine quick-freezer unit flooded screw machine quick-freezer unit, wherein, described low pressure recycle bucket setting position, higher than quick-frozen comb combination setting position, makes the cold-producing medium in low pressure recycle bucket enter the combination of quick-frozen comb under gravity through refrigerant outlet.
Described flooded screw machine quick-freezer unit flooded screw machine quick-freezer unit, wherein, the difference in height that described low pressure recycle bucket and quick-frozen comb combine is 1.2-2.1 rice.
Described flooded screw machine quick-freezer unit, wherein, described flooded screw machine quick-freezer unit also comprises the machine oil storage tank for storing machine oil, machine oil outlet on described external oil eliminator is connected with the import of machine oil storage tank, and the machine oil outlet of described machine oil storage tank is connected with the engine oil inlet on compressor.
Described flooded screw machine quick-freezer unit, wherein, described flooded screw machine quick-freezer unit also comprises the fluorine storage tank for store refrigerant, described fluorine storage tank is arranged between evaporimeter and low pressure recycle bucket, the described import of fluorine storage tank is connected with the outlet of evaporimeter, and the outlet of described fluorine storage tank is connected with the refrigerant inlet of low pressure recycle bucket.
Described flooded screw machine quick-freezer unit, wherein, described quick-frozen comb combination is made up of the coiled pipe be arranged side by side, all coiled pipe two ends are connected in parallel to upper header and lower collecting box respectively, the refrigerant outlet of described quick-frozen comb combination is arranged on described upper header, and the refrigerant inlet of described quick-frozen comb combination is arranged on lower collecting box.
Described flooded screw machine quick-freezer unit, wherein, to be connected with described in point oil tank by pipeline bottom described lower collecting box and point oil tank to be provided with return line and to be connected to compressor by return line, described return line is provided with jet pump, and in described point of oil tank, the machine oil of deposition enters compressor by jet pump along return line.
Described flooded screw machine quick-freezer unit, wherein, the driven fluid import of described jet pump connects a point oil tank by return line, the jet of described jet pump is connected to the refrigerant inlet of compressor by return line, the driving fluid import of described jet pump and the outlet of evaporimeter.
Described flooded screw machine quick-freezer unit, wherein, described compressor is set to multiple stage, and the closed circuit of each compressor is in parallel.
Beneficial effect: the utility model provides a kind of flooded screw machine quick-freezer unit, this freezer unit absorbs that ammonia refrigeration is energy-conservation, the feature of good refrigeration effect and freon safe ready, greatly improve the refrigerating efficiency using freon as refrigerant system, comprehensive energy efficiency ratio is obviously promoted, energy consumption significantly reduces, unit running security is high, makes flooded screw machine quick-freezer unit of the present utility model have the extremely strong market competitiveness in quick-freezer field.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of flooded screw machine quick-freezer unit in the utility model specific embodiment.
Detailed description of the invention
The utility model provides a kind of flooded screw machine quick-freezer unit, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of flooded screw machine quick-freezer unit as shown in Figure 1, wherein, comprise compressor 100, evaporimeter 200, external oil eliminator 300, low pressure recycle bucket 400 and quick-frozen comb combination 500, the refrigerant outlet of described compressor 100 connects the refrigerant inlet of external oil eliminator 300, the refrigerant outlet of described external oil eliminator 300 connects the import of evaporimeter 200, the outlet of described evaporimeter 200 connects the refrigerant inlet of low pressure recycle bucket 400, the refrigerant outlet of described low pressure recycle bucket 400 connects the refrigerant inlet of quick-frozen comb combination 500, the refrigerant outlet of described quick-frozen comb combination 500 is connected with the air inlet of low pressure recycle bucket 400, the gas outlet of described low pressure recycle bucket 400 is connected with the refrigerant inlet of compressor 100, refrigerant gas after compressor compresses enters into evaporator condensation after external oil eliminator is separated, after condensation, cold-producing medium enters into low pressure recycle bucket and flows into quick-frozen comb combination heat absorption further, cold-producing medium after heat absorption becomes gaseous state and gets back in low pressure recycle bucket through air inlet from the combination of quick-frozen comb, and the refrigerator gas in low pressure recycle bucket is entered in compressor by gas outlet and forms next kind of refrigeration cycle.
Particularly, described flooded screw machine quick-freezer unit also comprises the machine oil storage tank 600 for storing machine oil, machine oil outlet on described external oil eliminator is connected with the import of machine oil storage tank, and the machine oil outlet of described machine oil storage tank is connected with the engine oil inlet on compressor.It is further preferred that, described flooded screw machine quick-freezer unit also comprises the fluorine storage tank 700 for store refrigerant, described fluorine storage tank 700 is arranged between evaporimeter 200 and low pressure recycle bucket 400, the described import of fluorine storage tank is connected with the outlet of evaporimeter, and the outlet of described fluorine storage tank is connected with the refrigerant inlet of low pressure recycle bucket.Entered after evaporator condensation in fluorine storage tank by the cold-producing medium of external oil eliminator refrigerant outlet.Mixed oil and gas after compressor can be separated by external oil eliminator, and the machine oil after being separated is back in machine oil storage tank for compressor, isolated refrigerant gas then enters evaporimeter and carries out condensation cooling, cold-producing medium after evaporator enters in fluorine storage tank and stores, and can be passed at any time in low pressure recycle bucket and participate in kind of refrigeration cycle.
Wherein, the effect of low pressure recycle bucket is after being cooled further by the air-breathing of compressor by the cold-producing medium sent here in fluorine storage tank, by the method for gravity supply, be fed in quick-frozen comb and absorb heat, gas after heat absorption is got back to again the import of low pressure recycle bucket and is carried out further gas-liquid separation, gas after separation enters compressor again, ensures that compressor can not fall frost.Flooded screw machine quick-freezer unit of the present utility model cold-producing medium used is freon.Further, described quick-frozen comb combination is arranged and quick-freezer ground, and described low pressure recycle bucket setting position higher than quick-frozen comb combination setting position, thus makes the cold-producing medium in low pressure recycle bucket enter the combination of quick-frozen comb under gravity through refrigerant outlet.Flooded screw machine quick-freezer unit of the present utility model changes the traditional feed liquid way of freon freezer unit, gravity supply is adopted to substitute traditional expansion valve air feed refrigeration, thus solve traditional freon adopt expansion valve add distributor cause refrigerator pipes freeze distribute unbalanced problem, quick-frozen comb of the present utility model can be made to combine and to realize complete equipilibrium refrigeration, thus substantially increase freon refrigeration efficiency, and save electric energy.
Preferably, the difference in height that described low pressure recycle bucket and quick-frozen comb combine is 1.2-2.1 rice.Can guarantee the efficient work that quick-frozen comb combines to make it have the highest heat exchanger effectiveness under this difference in height, also can guarantee refrigerant circulation backflow in time simultaneously, guarantee the normal safe work of compressor.
Flooded screw machine quick-freezer unit of the present utility model also comprises control system, described control system is PLC control system, the situation of its monitoring whole system is also according to the work of testing result automatic adjustment system, the various piece control connection of described control system and quick-freezer unit, thus control each several part co-ordination, the work of such as control system and compressor connection control compressor also can according to effect of freezer feedback regulation compressor, described control system also with low pressure recycle bucket, fluorine storage tank, the magnetic induction liquid level gauge arranged in the equipment such as machine oil storage tank, the connection such as magnetic inducted level switch and floating ball type switch, thus realize the real-time monitoring of system running state, and effectively can regulate system according to feedback data, guarantee that system is in safe and reliable state all the time.
Kind of refrigeration cycle can be sketched and be: after quick-freezer unit starting, cold-producing medium in fluorine storage tank enters into low pressure recycle bucket, and enter into the combination of quick-frozen comb along pipeline under gravity and carry out heat exchange and become gaseous state, the cold-producing medium completing heat exchange turns back in low pressure recycle bucket, liquid cold-producing medium and the gaseous refrigerant on bucket top is now there is in low pressure recycle bucket, gaseous refrigerant enters into external oil eliminator after being drawn into and compressing in compressor, after the machine oil in gas is separated by external oil eliminator, is passed into cooling in evaporimeter is condensed into liquid state, enter into fluorine storage tank subsequently to store and wait to enter next kind of refrigeration cycle, the isolated machine oil of external oil eliminator is back to machine oil storage tank, machine oil storage tank is connected with compressor at any time for compressor supplements machine oil.In kind of refrigeration cycle, due to cold-producing medium from low pressure recycle bucket enter into quick-frozen comb combination be do not need traditional pumping into by Action of Gravity Field, therefore the utility model saves energy consumption, the mode simultaneously combining feed flow by Action of Gravity Field to quick-frozen comb makes the evaporimeter in the combination of quick-frozen comb be in " filling " state, its high load capacity work can be made, thus there is high heat exchanger effectiveness, make the refrigeration efficiency of the utility model system far away higher than traditional freon refrigeration system.Therefore flooded screw machine quick-freezer unit of the present utility model is higher compared to traditional fluorine refrigerating efficiency, and thus power consumption is few, and compared to traditional fluorine refrigeration, then has safer, and regulation and control are simple, are easy to the advantage managed.
In preferred embodiment, described compressor is set to multiple stage, and the closed circuit of each compressor is in parallel.Such as Fig. 1 is shown with two compressors and is arranged in system, the closed circuit of two compressors is in parallel, namely the refrigerant outlet of each compressor is connected with the refrigerant inlet of external oil eliminator respectively, the refrigerant inlet of each compressor is connected with the gas outlet of low pressure recycle bucket respectively, the parallel connection of each compressor cycle loop coordinates its liquid-supplying system to separate the form of feed flow, thus enable flooded screw machine quick-freezer unit of the present utility model in good time automatic switching while guaranteeing cold tanks serviceability temperature, thus enable system automatically select the compressor that will start according to live load, realize accurately allotment, and all need to start all compressor operating without the need to every subsystem startup, realize energy-conservation object, also extend the service life of relevant device in system simultaneously.
Certainly, the air delivering pipeline that described low pressure recycle bucket is communicated with every compressor all can be arranged the return-air filter for filtering gas.
Quick-frozen comb combination of the present utility model is arranged at freezer ground, and it is made up of the coiled pipe be arranged side by side, and this setup can promote the evaporation rate of freon, and heat exchanger effectiveness is very high, thus improves refrigeration efficiency, and energy consumption reduces.The feed liquid way of certain flooded screw machine quick-freezer unit of the present utility model in turn ensure that the requirement that freon is safe and reliable.
In preferred embodiment, in described quick-frozen comb combination, all coiled pipe two ends are connected in parallel to upper header and lower collecting box 510 respectively, the refrigerant outlet of described quick-frozen comb combination is arranged on described upper header, and the refrigerant inlet of described quick-frozen comb combination is arranged on lower collecting box.The refrigerant inlet that described cold-producing medium combines from low pressure recycle bucket through quick-frozen comb enters lower collecting box, enter through lower collecting box afterwards to branch in each quick-frozen comb and carry out heat exchange, finally enter upper header, and the refrigerant outlet on upper header is back in low pressure recycle bucket.
In preferred embodiment, point oil tank 520 is connected with by pipeline bottom described lower collecting box 510, described point of oil tank is provided with return line and is connected to compressor by return line, described return line is provided with jet pump 800, in described point of oil tank, the machine oil of deposition enters compressor by jet pump along return line.The described jet pump pressure energy of gases at high pressure is converted to speed that kinetic energy makes high pressure draught after nozzle reaches a very high value, region now around fluid is negative pressure state, and low-pressure fluid is introduced and will enter diffusing opening again after two fluids mixing, convert thereof into pressure energy and complete whole ejector action.Concrete, the driven fluid import of described jet pump connects a point oil tank by return line, and the jet of described jet pump is connected to the refrigerant inlet of compressor by return line, the driving fluid import of described jet pump and the outlet of evaporimeter.
During flooded screw machine quick-freezer unit work of the present utility model, owing to changing the process of the lower suction of original upper confession, along with cold-producing medium constantly enters the combination of quick-frozen comb, in the combination of quick-frozen comb, the machine oil of precipitation also gets more and more, the machine oil precipitated mainly concentrates in lower collecting box, machine oil bottom lower collecting box along with the work of unit can be cumulative, the machine oil deposited then can be under gravity, flow in point oil tank, under control system controls, jet pump starts, high pressure refrigerant liquid enters jet pump from driving fluid import, low pressure is formed in jet pump, machine oil in point oil tank is sucked in jet pump, machine oil and cold-producing medium are back to compressor from jet along return line and participate in kind of refrigeration cycle, the problem that the refrigerating efficiency that causes due to machine oil sedimentation in the combination of quick-frozen comb reduces can be solved like this, machine oil can be supplemented in time again for whole freezer unit, guarantee that system runs well for a long time.Thus the utility model flooded screw machine quick-freezer unit overcomes traditional refrigeration storage system owing to needing constantly to supplement machine oil and cause system operation cost to increase and cannot the drawback of safe handling for a long time, substantially increases the reliability of system cloud gray model.
The utility model provides a kind of flooded screw machine quick-freezer unit, this freezer unit absorbs that ammonia refrigeration is energy-conservation, the feature of good refrigeration effect and freon safe ready, greatly improve the refrigerating efficiency using freon as refrigerant system, comprehensive energy efficiency ratio is obviously promoted, energy consumption significantly reduces, operating cost reduces, and unit running security is high, makes flooded screw machine quick-freezer unit of the present utility model have the extremely strong market competitiveness in quick-freezer field.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1. a flooded screw machine quick-freezer unit, it is characterized in that, comprise compressor, evaporimeter, external oil eliminator, low pressure recycle bucket and the combination of quick-frozen comb, the refrigerant outlet of described compressor connects the refrigerant inlet of external oil eliminator, the refrigerant outlet of described oil eliminator connects the import of evaporimeter, the outlet of described evaporimeter connects the refrigerant inlet of low pressure recycle bucket, the refrigerant outlet of described low pressure recycle bucket connects the refrigerant inlet of quick-frozen comb combination, the refrigerant outlet of described quick-frozen comb combination is connected with the air inlet of low pressure recycle bucket, the described gas outlet of low pressure recycle bucket is connected with the refrigerant inlet of compressor, refrigerant gas after compressor compresses enters into evaporator condensation after external oil eliminator is separated, after condensation, cold-producing medium enters into low pressure recycle bucket and flows into quick-frozen comb combination heat absorption further, cold-producing medium after heat absorption becomes gaseous state and gets back in low pressure recycle bucket through air inlet from the combination of quick-frozen comb, and the refrigerator gas in low pressure recycle bucket is entered in compressor by gas outlet and forms next kind of refrigeration cycle.
2. flooded screw machine quick-freezer unit according to claim 1, it is characterized in that, described cold-producing medium is freon.
3. flooded screw machine quick-freezer unit according to claim 2, it is characterized in that, described low pressure recycle bucket setting position, higher than quick-frozen comb combination setting position, makes the cold-producing medium in low pressure recycle bucket enter the combination of quick-frozen comb under gravity through refrigerant outlet.
4. flooded screw machine quick-freezer unit according to claim 3, it is characterized in that, the difference in height that described low pressure recycle bucket and quick-frozen comb combine is 1.2-2.1 rice.
5. flooded screw machine quick-freezer unit according to claim 2, it is characterized in that, described flooded screw machine quick-freezer unit also comprises the machine oil storage tank for storing machine oil, machine oil outlet on described external oil eliminator is connected with the import of machine oil storage tank, and the machine oil outlet of described machine oil storage tank is connected with the engine oil inlet on compressor.
6. flooded screw machine quick-freezer unit according to claim 2, it is characterized in that, described flooded screw machine quick-freezer unit also comprises the fluorine storage tank for store refrigerant, described fluorine storage tank is arranged between evaporimeter and low pressure recycle bucket, the described import of fluorine storage tank is connected with the outlet of evaporimeter, and the outlet of described fluorine storage tank is connected with the refrigerant inlet of low pressure recycle bucket.
7. flooded screw machine quick-freezer unit according to claim 1, it is characterized in that, described quick-frozen comb combination is made up of the coiled pipe be arranged side by side, all coiled pipe two ends are connected in parallel to upper header and lower collecting box respectively, the refrigerant outlet of described quick-frozen comb combination is arranged on described upper header, and the refrigerant inlet of described quick-frozen comb combination is arranged on lower collecting box.
8. flooded screw machine quick-freezer unit according to claim 7, it is characterized in that, to be connected with described in point oil tank by pipeline bottom described lower collecting box and point oil tank to be provided with return line and to be connected to compressor by return line, described return line is provided with jet pump, and in described point of oil tank, the machine oil of deposition enters compressor by jet pump along return line.
9. flooded screw machine quick-freezer unit according to claim 8, it is characterized in that, the driven fluid import of described jet pump connects a point oil tank by return line, the jet of described jet pump is connected to the refrigerant inlet of compressor by return line, the driving fluid import of described jet pump and the outlet of evaporimeter.
10. flooded screw machine quick-freezer unit according to claim 9, it is characterized in that, described compressor is set to multiple stage, and the closed circuit of each compressor is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875769.8U CN205119542U (en) | 2015-11-05 | 2015-11-05 | Hydraulic filling formula screw rod machine quick -freezer unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875769.8U CN205119542U (en) | 2015-11-05 | 2015-11-05 | Hydraulic filling formula screw rod machine quick -freezer unit |
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| CN205119542U true CN205119542U (en) | 2016-03-30 |
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| CN201520875769.8U Active CN205119542U (en) | 2015-11-05 | 2015-11-05 | Hydraulic filling formula screw rod machine quick -freezer unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299942A (en) * | 2015-11-05 | 2016-02-03 | 谭洪德 | Quick-freezer unit of full-liquid type screw machine |
| CN111433531A (en) * | 2017-12-06 | 2020-07-17 | 三菱电机株式会社 | Refrigeration cycle device |
-
2015
- 2015-11-05 CN CN201520875769.8U patent/CN205119542U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299942A (en) * | 2015-11-05 | 2016-02-03 | 谭洪德 | Quick-freezer unit of full-liquid type screw machine |
| CN111433531A (en) * | 2017-12-06 | 2020-07-17 | 三菱电机株式会社 | Refrigeration cycle device |
| CN111433531B (en) * | 2017-12-06 | 2022-02-18 | 三菱电机株式会社 | Refrigeration cycle device |
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