CN109631375A - The heat recovery system of steam can be recycled in a kind of composite refrigerator group - Google Patents
The heat recovery system of steam can be recycled in a kind of composite refrigerator group Download PDFInfo
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- CN109631375A CN109631375A CN201811520666.4A CN201811520666A CN109631375A CN 109631375 A CN109631375 A CN 109631375A CN 201811520666 A CN201811520666 A CN 201811520666A CN 109631375 A CN109631375 A CN 109631375A
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- refrigerant
- steam
- condenser
- pipe
- compressor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
Abstract
The invention discloses the heat recovery systems that steam can be recycled in a kind of composite refrigerator group, it is related to refrigeration unit heat recovery technology field, its key points of the technical solution are that: including refrigeration unit, auxiliary refrigeration unit and vapour system, refrigeration unit includes one condenser of the first compressor and refrigerant, auxiliary refrigeration unit includes two condenser of the second compressor and refrigerant, two condenser of refrigerant is connected in one condenser of refrigerant, the outlet side of one condenser of refrigerant is connected to the inlet end of the second compressor, vapour system includes the heat exchanger being set between two condenser of the second compressor and refrigerant and uses station with steam, water inlet pipe and steam outlet pipe are provided on heat exchanger, steam outlet pipe and steam use station connection., so that steam can be generated by heat exchanger recovery waste heat, have the advantages that improve recuperation of heat changing effect so that refrigerant two absorbs temperature and gasifies and be sent into the second compressor compresses by the liquefaction refrigerant one of refrigerant two of liquid.
Description
Technical field
The present invention relates to refrigeration unit heat recovery technology fields, more specifically, it relates to a kind of composite refrigerator group
The heat recovery system of recyclable steam.
Background technique
It is increasingly depleted with mankind's energy, on how to reduce energy consumption, promote green energy resource, realize energy recovery
Recycling just becomes countries in the world topic of interest.Existing refrigeration system generally includes to pass sequentially through the pressure of placed in series
Contracting machine, evaporative condenser, storage matchmaker's case, economizer and evaporator, evaporator are connected on compressor by muffler.Pass through benefit
With compressor compresses refrigerant at gas after, vaporizing refrigerant send into evaporative condenser cooling, refrigerant when cooling by escape pipe
It liquefies and is sent into storage matchmaker's case and store, further cooled down by storing up matchmaker's case and sending liquid refrigerants into economizer, thus will
Refrigerant, which is sent into evaporator, to freeze.In refrigeration systems, can usually have generation thermal energy during compressor compresses, usually
These heats can be vented directly in atmosphere, will cause the raising of entire atmospheric temperature in this way, so that generation environment pollutes.
The heat recovery apparatus for devising a kind of refrigeration system in the prior art, generallys use heat exchanger, utilizes heat exchanger pair
Pipeline between compressor and evaporative condenser carries out air water heat exchange, so that hot water domestic hot-water supply is generated at, thus
Realize energy-efficient effect.But recuperation of heat can only produce hot water, can not be converted to steam, cause changing effect poor.
Summary of the invention
Problem in view of the prior art, the purpose of the present invention is to provide a kind of composite refrigerator groups, and steam can be recycled
Heat recovery system can recycle into steam, have the advantages that improve recuperation of heat changing effect.
To achieve the above object, the present invention provides the following technical scheme that
The heat recovery system of steam, including refrigeration unit, auxiliary refrigeration unit and steam can be recycled in a kind of composite refrigerator group
System, the refrigeration unit are freezed by refrigerant one, and the auxiliary refrigeration unit is freezed by refrigerant two, and the refrigeration unit includes
First compressor and one condenser of refrigerant being connect with the first compressor, the auxiliary refrigeration unit include the second compressor and
Two condenser of refrigerant connecting with the second compressor is connected with the cooling dress for the refrigerant two that liquefies on two condenser of refrigerant
It sets, the outlet end of two condenser of refrigerant is connected to by two outlet tube of refrigerant in one condenser of refrigerant and for the refrigerant that liquefies
One, the outlet side of one condenser of refrigerant is connected to the inlet end of the second compressor, the steam system by two tracheae of refrigerant
System includes the steam for being set to the heat exchanger between two condenser of the second compressor and refrigerant on pipeline and connecting with heat exchanger
Using station, the inlet end of the heat exchanger is connect with the outlet side of the second compressor, the outlet side of the heat exchanger and refrigerant two
Condenser connects, and water inlet pipe and steam outlet pipe are provided on the heat exchanger, and the steam outlet pipe and steam use station connection.
So set, by utilizing the gaseous refrigerant two of the second compressor compresses, compressed refrigerant two enters refrigerant two
In condenser, and the liquefaction of gaseous coolant two is formed into liquid refrigerants two using cooling device, so that liquid refrigerants two passes through
Two outlet tube of refrigerant is passed through in one condenser of refrigerant, and after the first compressor compresses refrigerant one, gaseous refrigerant one enters cold
In one condenser of matchmaker, gaseous refrigerant one is liquefied as to form hot-cast socket by liquid by the cooling gaseous coolant one of liquid refrigerants two
State is freezed to send after refrigerant one is liquefied into refrigeration unit.In refrigerant one and during two hot-cast socket of refrigerant, liquid it is cold
Matchmaker two is by thermal evaporation, to form gaseous refrigerant two, refrigerant two has certain temperature at this time, to pass through two tracheae of refrigerant
It is passed through in the second compressor and compresses, the refrigerant two for compressing out further heats up, and temperature is much higher than 100 DEG C, generally reaches 150 DEG C
Left and right, so that heat exchange is carried out using the heat exchanger in vapour system, so that after water is passed through exchanger heat exchange by water inlet pipe
Steam is formed, and steam is led to by steam outlet pipe and is used using station, two temperature of refrigerant after heat exchange lowers, to be passed through cold
It liquefies in two condenser of matchmaker, forms circulation.Through the above scheme, using the cooling refrigerant one of the refrigerant of liquid two, to carry out heat
The liquefaction of refrigerant one, refrigerant two are gasified in conversion, and the refrigerant two after conversion has certain temperature, are passed through the by two tracheae of refrigerant
It is further heated up after two compressor compresses, so as to heat exchange type of thinking to intake in heat exchanger at steam, has and improve recuperation of heat
The advantages of changing effect.
Further setting: being provided with preheating heat exchanger on the pipeline between two condenser of the heat exchanger and refrigerant, described
The water inlet end of preheating heat exchanger is connected with hose, and water outlet is connected with preheating water pipe, the inlet end of the preheating heat exchanger with
The outlet side of heat exchanger connects, and outlet side is connect with the inlet end of two condenser of refrigerant, and the hose is connect with water source, described
Preheating water pipe is connect with the water inlet pipe.
So set, remained unchanged by heat exchanger refrigerant two after the recovery with 90 degrees Celsius of high temperature, so that from water source to soft
Water flowing in water pipe to generate preheating water, and is passed through by preheating water pipe into water using the residual temperature of preheating heat exchanger recycling refrigerant two
Pipe, to enter, further conversion forms steam in heat exchanger, and the water after preheating has temperature, is able to ascend and generates in heat exchanger
The inversion quantity of steam has the advantages that improve recuperation of heat changing effect to improve the effect that recycling forms steam.
Further setting: the steam outlet pipe and steam are gone out using vapor can, the steam outlet pipe is provided between station
Gas end is connected to the inlet end of vapor can, the outlet side of the vapor can by pipeline be connected to steam using station at.
So set, the steam of generation can be stored by the vapor can of setting, steam is led to by pipeline later and is used
It stands, improves the convenience that the steam of recycling uses.
Further setting: the bottom of the vapor can is provided with drainpipe, and the junction of the drainpipe and vapor can is set
It is equipped with ball valve, and the one end of the drainpipe far from vapor can is connect with the hose.
So set, by the drainpipe of setting, so that the water that vapor can inner part condenses out, it can be by opening ball valve
It is discharged into hose by drainpipe, is converted to reenter in preheating heat exchanger and heat exchanger, form circulation.
Further setting: motor-driven valve and temperature sensor are provided in the steam outlet pipe, the temperature sensor is set
It is equipped with the threshold values that electronic valve signal is opened in output, the threshold values is not less than 100 DEG C.
So set, passing through the temperature of temperature sensor senses steam outlet pipe, signal is issued when temperature reaches threshold values, from
And motor-driven valve opening is controlled, the steam of generation is sent out by steam outlet pipe, could to send out after reaching 100 DEG C, is convenient for controlling
Effective conversion of steam.
Further setting: the throttle valve for controlling liquid refrigerants flow is provided on two outlet tube of refrigerant.
So set, entering the flow in one condenser of refrigerant by throttle valve control liquid refrigerants two, in order to control
The situation of change of the gas-liquid form of refrigerant one and refrigerant two improves operation convenience.
It is further to be arranged: cold water pipe and the return water out that the cooling device includes cooling tower and is set on cooling tower
Pipe, the cold water pipe out are connect with two condenser of refrigerant, the water outlet after the return pipe and two condenser cold water use of refrigerant
Connection, and suction pump is provided on the cold water pipe out.
So set, the cold water in cooling tower is evacuated to out in cold water pipe by suction pump, and cold by going out cold water pipe feeding
In two condenser of matchmaker, to be liquefied using cold water to refrigerant two, the water after conversion is sent back to cold in cooling tower by return pipe
But, to form circulation, cold water is persistently conveyed, refrigerant two is thoroughly liquefied, the liquefied effect of refrigerant two is improved, consequently facilitating cold
To the gasification result of the liquefaction of refrigerant one and refrigerant two in one condenser of matchmaker.
Further setting: the refrigerant one is set as ammonia, and the refrigerant two is set as carbon dioxide.
It so set, ammonia and carbon dioxide are the common substances of nature, and is the common refrigerant of usual refrigeration unit, energy
It is enough effectively to freeze.
Further setting: the refrigeration unit further includes the Siphon pot for passing sequentially through pipeline connection, high pressure storage matchmaker bucket, economy
Device and evaporator, the Siphon pot are connect by one outlet tube of refrigerant with the outlet end of one condenser of refrigerant.
So set, being sent into high pressure by will liquefy condensed refrigerant two of Siphon pot and storing up in matchmaker's bucket, and lead to economizer
Further after cooling, refrigerant two is sent into sweat cooling in evaporator, realizes effectively refrigeration.
Further setting: there is low pressure recycle tank by placed in series between the economizer and evaporator, the low pressure is followed
Ring pot bottom is connected on evaporator by one delivery pipe of refrigerant, is provided with one liquid pump of refrigerant, institute in one delivery pipe of refrigerant
The exhaust end for stating evaporator is connected to the inlet end of low pressure recycle tank top by muffler, and the low pressure recycle tank top goes out
Gas end is connected to the inlet end of the first compressor by circulating gas pipe.
So set, being kept in by being sent into refrigerant one after economizer cools down in low pressure recycle tank, by one liquid of refrigerant
Refrigerant one is evacuated to one delivery pipe of refrigerant by pump from low pressure recycle tank, and is sent by one delivery pipe of refrigerant and freezed into evaporator.System
Gaseous coolant one after cold is sent into low pressure recycle tank top by muffler, to be sent by circulating gas pipe into the first compressor
Compression forms circulation, freeze with permanently effective.
By using above-mentioned technical proposal, the present invention compares compared with the prior art, has the advantage that
1, by the refrigerant cooling condensation that auxiliary refrigeration unit is in refrigeration unit, so that refrigerant one and refrigerant two form hot-cast socket,
Refrigerant two after conversion has certain temperature, so that temperature can reach 150 DEG C by after the second compressor compresses, thus
Steam can be generated by carrying out recovery waste heat by heat exchanger, have the advantages that improve recuperation of heat changing effect；
2, by the preheating heat exchanger of setting, can the gaseous coolant one that comes out of heat exchanging device further carry out recuperation of heat, from
And be converted in high-temperature water feeding heat exchanger and exchange heat, to improve the effect that recycling forms steam, there is raising recuperation of heat to convert effect
The advantages of fruit；
3, by the cooperation of refrigerant two condensers and cooling tower, the refrigerant two after recovery waste heat is carried out in two condenser of refrigerant
Liquefaction, consequently facilitating sending to one condenser of refrigerant liquefaction refrigerant one, convenient for the refrigeration effect of refrigeration unit refrigerant one.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the heat recovery system that steam can be recycled in composite refrigerator group 1；
Fig. 2 is the structural schematic diagram of vapour system in Fig. 1.
In figure: 1, refrigeration unit；11, the first compressor；12, one condenser of refrigerant；13, Siphon pot；14, high pressure stores up matchmaker
Bucket；15, economizer；16, low pressure recycle tank；17, evaporator；2, auxiliary refrigeration unit；21, the second compressor；22, refrigerant two condenses
Device；3, vapour system；31, heat exchanger；32, steam uses station；33, preheating heat exchanger；34, water inlet pipe；35, steam outlet pipe；
351, motor-driven valve；352, temperature sensor；36, hose；37, water pipe is preheated；38, water source；39, vapor can；391, drainpipe；
392, ball valve；4, cooling device；41, cooling tower；42, go out cold water pipe；421, suction pump；43, return pipe；5, refrigerant two goes out liquid
Pipe；51, throttle valve；6, two tracheae of refrigerant；7, one outlet tube of refrigerant；8, one delivery pipe of refrigerant；81, one liquid pump of refrigerant；9, return-air
Pipe；10, circulating gas pipe.
Specific embodiment
It is described further referring to figs. 1 to Fig. 2 heat recovery system that steam can be recycled to composite refrigerator group.
The heat recovery system of steam can be recycled in a kind of composite refrigerator group 1, as shown in Figure 1, including refrigeration unit 1, auxiliary
Refrigeration unit 2 and vapour system 3, refrigeration unit 1 are freezed by refrigerant one, and auxiliary refrigeration unit 2 is freezed by refrigerant two, this reality
It applies example and sets ammonia for refrigerant one, refrigerant two is set as carbon dioxide.Auxiliary refrigeration unit 2 connect with refrigeration unit 1 and for cold
But refrigerant two, vapour system 3 are set in auxiliary refrigeration unit 2 and form steam for recycling the waste heat in auxiliary refrigeration unit 2.
As shown in Figure 1, refrigeration unit 1 include pass sequentially through pipeline connection the first compressor 11, one condenser 12 of refrigerant,
Siphon pot 13, high pressure storage matchmaker bucket 14, economizer 15, low pressure recycle tank 16 and evaporator 17.Wherein, the liquid feeding end of Siphon pot 13
It is connect by one outlet tube 7 of refrigerant with the outlet end of one condenser 12 of refrigerant, outlet end is connect with high pressure storage matchmaker bucket 14.Low pressure is followed
16 bottom of ring tank is connected on evaporator 17 by one delivery pipe 8 of refrigerant, is provided in one delivery pipe 8 of refrigerant for providing conveying
One liquid pump 81 of refrigerant of power.After evaporator 17 freezes, low pressure is connected to by muffler 9 at the exhaust end of evaporator 17 and is followed
The outlet side of the inlet end at 16 top of ring tank, 16 top of low pressure recycle tank is connected to the first compressor 11 by circulating gas pipe 10
Inlet end forms circulation.Specifically, one condenser 12 of refrigerant use shell and tube condenser, shell and tube condenser be divided into tube side with
Shell side, refrigerant one flow in tube side, and refrigerant two flows in shell side, using the cooling refrigerant one of liquid refrigerants two, and form heat
Exchange.
As shown in Figure 1, auxiliary refrigeration unit 2 includes that the second compressor 21 and the refrigerant two connecting with the second compressor 21 are cold
Condenser 22 is connected with the cooling device 4 for the refrigerant two that liquefies, the outlet end of two condenser 22 of refrigerant on two condenser 22 of refrigerant
It is connected in one condenser 12 of refrigerant by two outlet tube 5 of refrigerant and for the refrigerant one that liquefies, the outlet of one condenser 12 of refrigerant
End is connected to the inlet end of the second compressor 21 by two tracheae 6 of refrigerant.Wherein, cooling device 4 includes cooling tower 41 and sets
It is placed on cooling tower 41 and goes out cold water pipe 42 and return pipe 43, cold water pipe 42 is connect with two condenser 22 of refrigerant out, return pipe 43
It is connect with the water outlet after two condenser of refrigerant, 22 cold water use, and is provided with suction pump 421 on cold water pipe 42 out, by cold
Water is sent into cooling refrigerant two in two condenser 22 of refrigerant, refrigerant two is sufficiently liquefied, cold water is sent back to after by return pipe 43
It is cooling in cooling tower 41, to form circulating cooling.The throttling for controlling liquid refrigerants flow is provided on two outlet tube 5 of refrigerant
Valve 51, to control the flow that liquid refrigerants two inputs in one condenser 12 of refrigerant, convenient for control.
As depicted in figs. 1 and 2, vapour system 3 includes being set between two condenser 22 of the second compressor 21 and refrigerant to manage
Heat exchanger 31 on road and the steam being connect with heat exchanger 31 using station 32, and heat exchanger 31 and two condenser 22 of refrigerant it
Between pipeline on be provided with preheating heat exchanger 33.The inlet end of heat exchanger 31 is connect with the outlet side of the second compressor 21, described
The outlet side of heat exchanger 31 is connect with the inlet end of preheating heat exchanger 33, the outlet side of preheating heat exchanger 33 and two condenser of refrigerant
22 inlet end connection.Water inlet pipe 34 and steam outlet pipe 35 are provided on heat exchanger 31, steam outlet pipe 35 and steam use station
32 connections, the water inlet end of preheating heat exchanger 33 are connected with hose 36, and water outlet is connected with preheating water pipe 37, hose 36 and water
Source 38 connects, and preheating water pipe 37 is connect with water inlet pipe 34.Water source 38 and hose 36 are provided with the water softener for demineralized water
(not shown), to provide water quality better steam.
As shown in Fig. 2, being provided with motor-driven valve 351 and temperature in steam outlet pipe 35 to improve the convenience of steam conveying
Sensor 352 is spent, temperature sensor 352 is provided with the threshold values that 351 signal of motor-driven valve is opened in output, and threshold values is not less than 100 DEG C, temperature
Degree sensor 352 and motor-driven valve 351 are connected in control system, are uniformly controlled operation using control system, convenient for control steam
Conveying.Steam outlet pipe 35 and steam are provided with vapor can 39 using between station 32, and the outlet side of steam outlet pipe 35 is connected to steam
The inlet end of tank 39, the outlet side of vapor can 39 is connected to steam by pipeline and uses at station 32, with temporary using vapor can 39
Steam, convenient for send to steam using station 32 carry out using.For the water condensed in recovered steam tank 39, in the bottom of vapor can 39
It is provided with drainpipe 391, drainpipe 391 and the junction of vapor can 39 are provided with ball valve 392, and drainpipe 391 is far from steam
One end of tank 39 is connect with hose 36, after cooling is not used for a long time in steam, is condensed into water and is passed through and open ball valve 392, by water
It is sent into hose 36 to be re-fed into preheating heat exchanger 33 by drainpipe 391 and exchange heat, to re-form steam.
As shown in Figure 1, it is further, during preheating heat exchanger 33 recycles refrigerant two and is transported to two condenser 22 of refrigerant
Waste heat when, two partial liquefaction of refrigerant is liquid, thus sets half liquid formula condenser for two condenser 22 of refrigerant, can will be cold
When matchmaker two is sent into two condenser 22 of refrigerant, gaseous refrigerant two can be stored but also store the refrigerant two of liquid, in order to benefit
With the thorough liquefaction refrigerant two of cooling device 4.
Working principle: by the refrigerant two using 21 compressed gaseous of the second compressor, gaseous coolant two enters heat exchanger 31
With heat exchange is carried out in preheating heat exchanger 33.Water is provided into hose 36 from water source 38, water is exchanged by preheating heat exchanger 33
After form hot water, hot water is passed through in water inlet pipe 34 by preheating water pipe 37, thus by water inlet pipe 34 be passed through in heat exchanger 31 into
Row heat exchange stores so that hot water is formed steam by thermal evaporation so that steam enters in vapor can 39.Refrigerant two passes through two
Partial liquefaction after road recuperation of heat, part is still gaseous state, to be passed through in two condenser 22 of refrigerant.Cold water in cooling tower 41 later
It is extracted out by suction pump 421, and entered by the thoroughly liquefaction of refrigerant two in two condenser 22 of refrigerant, after use by going out cold water pipe 42
Cold water sent back in cooling tower 41 by return pipe 43 cooling, circulating cooling effect is formed, thus thoroughly by refrigerant two in refrigerant two
It liquefies in condenser 22.Then 11 compression refrigerant one of the first compressor opens throttle valve 51, so that liquefied refrigerant two-way is subcooled
Two outlet tube 5 of matchmaker is sent into one condenser 12 of refrigerant, to be cooled down by refrigerant two to refrigerant one, so that the liquefaction of refrigerant one is simultaneously
It is flowed into Siphon pot 13 by one outlet tube 7 of refrigerant, to be sent into storage matchmaker's bucket by Siphon pot 13, and is sent into economizer 15
Further cooling, refrigerant one is sent into low pressure recycle tank 16 after cooling, is sent by one delivery pipe 8 of refrigerant into evaporator 17 and is freezed, and makes
Refrigerant one after cold, which gasifies and is sent into the first compressor 11 by circulating gas pipe 10, forms circulation.Liquefied refrigerant two is in refrigerant
Endothermic gasification after heat exchange in one condenser 12 to form gaseous refrigerant two, and is sent by two tracheae 6 of refrigerant to the second compression
Machine 21 forms circulation.Refrigerant two absorbs a large amount of thermal energy during one condenser 12 of refrigerant gasifies, so that refrigerant two gasifies
There is high temperature afterwards, to further heat up by the second compressor 21, the temperature of heating reaches 150 DEG C, so as to heat exchange
It intakes in device 31, at steam, to have the advantages that improve recuperation of heat changing effect by heat exchange type；After heat exchanger 31 exchanges,
Refrigerant two is still with 90 DEG C or so of temperature, to be intake using hose 36 into preheating heat exchanger 33, with further progress
Waste heat recycling, and hot water is formed after recycling, hot water is sent into water inlet pipe 34 by preheating water pipe 37, thus enters in heat exchanger 31,
Recovery waste heat is carried out in heat exchanger 31 by the hot water with temperature, can be sufficiently formed steam, is had and is improved recuperation of heat turn
The advantages of changing effect.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. the heat recovery system that steam can be recycled in a kind of composite refrigerator group, it is characterised in that: including refrigeration unit (1), auxiliary
Refrigeration unit (2) and vapour system (3), the refrigeration unit (1) are freezed by refrigerant one, and the auxiliary refrigeration unit (2) is logical
The refrigeration of refrigerant two is crossed, the refrigeration unit (1) includes the first compressor (11) and the refrigerant connecting with the first compressor (11)
One condenser (12), the auxiliary refrigeration unit (2) include the second compressor (21) and connect with the second compressor (21) cold
Two condenser of matchmaker (22) is connected with the cooling device (4) for the refrigerant two that liquefies on two condenser of refrigerant (22), described cold
The outlet end of two condenser of matchmaker (22) is connected in one condenser of refrigerant (12) by two outlet tube of refrigerant (5) and is used to liquefy cold
Matchmaker one, and the outlet side of one condenser of refrigerant (12) is connected to the air inlet of the second compressor (21) by two tracheae of refrigerant (6)
End, the vapour system (3) include the heat exchange being set between the second compressor (21) and two condenser of refrigerant (22) on pipeline
Device (31) and the steam connecting with heat exchanger (31) use station (32), the inlet end and the second compressor of the heat exchanger (31)
(21) outlet side connection, the outlet side of the heat exchanger (31) are connect with two condenser of refrigerant (22), the heat exchanger (31)
On be provided with water inlet pipe (34) and steam outlet pipe (35), the steam outlet pipe (35) is connect with steam using station (32).
2. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
Preheating heat exchanger (33), the pre-heating heat-exchanging are provided on pipeline between the heat exchanger (31) and two condenser of refrigerant (22)
The water inlet end of device (33) is connected with hose (36), and water outlet is connected with preheating water pipe (37), the preheating heat exchanger (33)
Inlet end is connect with the outlet side of heat exchanger (31), and outlet side is connect with the inlet end of two condenser of refrigerant (22), the soft water
Pipe (36) is connect with water source (38), and the preheating water pipe (37) connect with the water inlet pipe (34).
3. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 2, it is characterised in that:
The steam outlet pipe (35) and steam are provided with vapor can (39) using between station (32), the outlet side of the steam outlet pipe (35)
It is connected to the inlet end of vapor can (39), the outlet side of the vapor can (39) is connected to steam by pipeline and uses station (32)
Place.
4. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 3, it is characterised in that:
The bottom of the vapor can (39) is provided with drainpipe (391), and the junction of the drainpipe (391) and vapor can (39) is arranged
Have ball valve (392), and the drainpipe (391) is connect far from the one end of vapor can (39) with the hose (36).
5. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
Motor-driven valve (351) and temperature sensor (352) are provided on the steam outlet pipe (35), the temperature sensor (352) sets
It is equipped with the threshold values that motor-driven valve (351) signal is opened in output, the threshold values is not less than 100 DEG C.
6. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
The throttle valve (51) for controlling liquid refrigerants flow is provided on two outlet tube of refrigerant (5).
7. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
The cooling device (4) include cooling tower (41) and be set on cooling tower (41) go out cold water pipe (42) and return pipe
(43), cold water pipe (42) out are connect with two condenser of refrigerant (22), the return pipe (43) and two condenser of refrigerant (22)
Water outlet connection after cold water use, and suction pump (421) are provided on cold water pipe (42) out.
8. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
The refrigerant one is set as ammonia, and the refrigerant two is set as carbon dioxide.
9. the heat recovery system that steam can be recycled in a kind of composite refrigerator group according to claim 1, it is characterised in that:
The refrigeration unit (1) further include pass sequentially through pipeline connection Siphon pot (13), high pressure storage matchmaker bucket (14), economizer (15) with
And evaporator (17), the Siphon pot (13) are connect by one outlet tube of refrigerant (7) with the outlet end of one condenser of refrigerant (12).
10. the heat recovery system of steam can be recycled in a kind of composite refrigerator group according to claim 9, feature exists
In: have low pressure recycle tank (16) between the economizer (15) and evaporator (17) by placed in series, the low pressure recycle tank
(16) bottom is connected on evaporator (17) by one delivery pipe of refrigerant (8), is provided with refrigerant on one delivery pipe of refrigerant (8)
The exhaust end of one liquid pump (81), the evaporator (17) is connected to the air inlet at the top of low pressure recycle tank (16) by muffler (9)
It holds, the outlet side at the top of the low pressure recycle tank (16) is connected to the air inlet of the first compressor (11) by circulating gas pipe (10)
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520666.4A CN109631375A (en) | 2018-12-12 | 2018-12-12 | The heat recovery system of steam can be recycled in a kind of composite refrigerator group |
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| CN201811520666.4A CN109631375A (en) | 2018-12-12 | 2018-12-12 | The heat recovery system of steam can be recycled in a kind of composite refrigerator group |
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| CN109631375A true CN109631375A (en) | 2019-04-16 |
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| CN201811520666.4A Pending CN109631375A (en) | 2018-12-12 | 2018-12-12 | The heat recovery system of steam can be recycled in a kind of composite refrigerator group |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20190416 |