CN209355524U - A kind of cold and hot energy utility system - Google Patents
A kind of cold and hot energy utility system Download PDFInfo
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- CN209355524U CN209355524U CN201822069098.2U CN201822069098U CN209355524U CN 209355524 U CN209355524 U CN 209355524U CN 201822069098 U CN201822069098 U CN 201822069098U CN 209355524 U CN209355524 U CN 209355524U
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Abstract
The utility model discloses a kind of cold and hot energy utility system, the system include refrigeration cycle subsystem, cooling capacity multistage with subsystem and heat step with subsystem；Heat step uses subsystem packet hothouse, heat exchanger and fan coil；Cooling capacity gradient utilization system includes cold, air-cooler, evaporator, regulation station, and evaporator is connect by expansion valve with regulation station；Refrigeration cycle subsystem includes refrigeration compressor, condenser, gas-liquid separator and heat exchanger, evaporator；Condenser is connected with gas-liquid separator, and gas-liquid separator is connected with compressor；Regulation station is the device for exporting cooling capacity step.This system both can use the cooling capacity that refrigerant manufactures in evaporator in refrigeration cycle subsystem, provide cold source for freezer；It can use the heat that the high-temperature high-pressure refrigerant come out from compressor discharges again, provide heat source for hothouse, be a kind of energy saving, saving cost, the system for effectively improving cooling capacity and heat utilization ratio.
Description
Technical field
The utility model relates to refrigeration technology fields, and in particular to a kind of cold and hot energy utility system.
Background technique
One-stage steam compressed formula refrigeration system, main four big component are constituted, and are respectively: evaporator, compressor, condenser,
Expansion valve.Refrigerant vapour is only compressed by the compressor once in each refrigeration cycle, referred to as one-stage steam compressed.
In refrigeration cycle, refrigerant mainly undergoes Four processes: compression process, condensation process, throttling process and evaporating
Journey.In compression process, the refrigerant vapour of low-temp low-pressure is compressed into the refrigerant vapour of high temperature and pressure；In condensation process
In, the refrigerant vapour of high temperature and pressure is condensed into the refrigerant liquid of high temperature and pressure；In throttling process, the system of high temperature and pressure
Cryogen liquid is throttled decompression into the refrigerant liquid of low-temp low-pressure；In evaporation process, the refrigerant liquid quilt of low-temp low-pressure
The refrigerant vapour of low-temp low-pressure is flashed to, a refrigeration cycle is so far completed.
In evaporation process, refrigerant is undergone phase transition in evaporator, becomes gaseous state by liquid, evaporation endothermic manufactures cold
Amount；In condensation process, refrigerant is undergone phase transition in condenser, is become liquid by gaseous state, is discharged heat.
The cooling capacity that refrigerant manufactures in evaporator usually since Land use systems are unreasonable, causes cold in use
Amount cannot be fully utilized；The heat that refrigerant discharges within the condenser, usually it is ignored fall utility value, cause heat not have
It is used effectively.
Summary of the invention
In view of the above-mentioned defects in the prior art, the utility model provide a kind of energy-saving and environmental protection, efficiently, save the cost it is cold
Thermal energy utilizes system, improves the effective rate of utilization of cooling capacity and heat, energy saving, saves cost.
To achieve the above object, technical solution adopted in the utility model is:
A kind of cold and hot energy utility system, the system include refrigeration cycle subsystem, cooling capacity multistage with subsystem and heat
It measures step and uses subsystem；
With subsystem packet, several are changed using step heat dry hothouse, several series windings the heat step
Hot device and several fan coils being respectively communicated with several heat exchangers, several described fan coils are separately positioned on several
In a hothouse；
The cooling capacity gradient utilization system include can by regulation station that cooling capacity step exports, several are using step cooling capacity
Refrigeration cold, be respectively arranged at cold several air-coolers, several evaporators being connected with several air-coolers, if
The dry evaporator is arranged in parallel and passes through several expansion valves to be connected to the cooling capacity delivery outlet of regulation station；
The refrigeration cycle subsystem includes refrigeration compressor, condenser, gas-liquid separator, expansion valve and several strings
Heat exchanger even；The condenser is connected with gas-liquid separator, and the gas-liquid separator is connected with compressor, several institutes
Heat exchanger series winding is stated to be arranged between refrigeration compressor and condenser；The high pressure low temperature mouth of the regulation station connects gas-liquid separator
High pressure low temperature mouth, the regulation station is provided with the outlet of several low-pressure low-temperatures to export cooling capacity step, and the regulation station is logical
It crosses several expansion valves and is separately connected several evaporators, the low-pressure low-temperature outlet of several evaporators is connected to gas-liquid point
From on device.
As improvement to above-mentioned technical proposal, connect on the connecting pipeline between the gas-liquid separator and refrigeration compressor
It is connected to expansion vessel, pressure-control valve is provided on the intake channel of the expansion vessel, is provided with check valve on exit passageway.
As improvement to above-mentioned technical proposal, liquid storage device is provided between the condenser and gas-liquid separator, it is described
Oil catcher is provided between refrigeration compressor and the heat exchanger of the first order, the oil return pipe of the oil catcher is connected to refrigeration compressor.
As improvement to above-mentioned technical proposal, the condenser is evaporative condenser, and the heat exchanger is board-like changes
Hot device and be two, forms two hothouses accordingly, is provided with fan coil, the heat exchanger and blower in the hothouse
Coil pipe is connected.
As improvement to above-mentioned technical proposal, described cold is three, and the corresponding air-cooler, evaporator are also three
It is a.
As improvement to above-mentioned technical proposal, in the communicating passage of the oil catcher and compressor, the fan coil
With in the communicating passage in the communicating passage of condenser, between the gas-liquid separator and regulation station, the regulation station and evaporation
Valve is provided in the communicating passage of device, in the communicating passage of the evaporator and air-cooler.
Compared with prior art, beneficial effect acquired by the utility model is:
The cooling capacity gradient utilization system and cold and hot energy utility system of the utility model, at runtime, refrigeration cycle subsystem
Refrigerant in system is adjusted by regulation station, is transported in different evaporators, according to the difference of refrigerant conveying capacity, can be played
The effect of each evaporator capacity of flexible modulation, cryogenic temperature needed for manufacture freezer is cold different；Cooling capacity multistage uses subsystem
With refrigerant heat exchange occurs for the refrigerating medium freezing liquid in system in evaporator, conveys cooling capacity, manufacture to freezer via air-cooler
Low temperature, and air-cooler uses variable-frequency motor, can flexibly control the conveying of cooling capacity, keeps different cold maintenances in freezer respectively permanent
Determine low temperature；Heat step uses subsystem, by gradually heat exchange, to the high temperature come out in refrigeration cycle subsystem from compressor
High-pressure refrigerant vapor carries out step cooling, and by heat obtained in heat exchanging process, by heat transfer medium water, via wind
Machine coil pipe, it is dry for hothouse, to achieve the purpose that cascade utilization heat.
Therefore, the utility model both can use the cooling capacity that refrigerant manufactures in evaporator in refrigeration cycle subsystem, be
Freezer provides cold source；It can use the heat that the high-temperature high-pressure refrigerant come out from compressor discharges again, provide heat for hothouse
Source is a kind of energy saving, saving cost, the system for improving the effective rate of utilization of cooling capacity and heat.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
The cold and hot energy utility system of the utility model, including refrigeration cycle subsystem, cooling capacity multistage with subsystem and
Heat step uses subsystem；Capital equipment in refrigeration cycle subsystem includes: compressor, oil catcher, plate heat exchanger, cold
Condenser, liquid storage device, gas-liquid separator, expansion valve, regulation station, evaporator, expansion vessel, pressure-control valve, pipeline etc.；Cooling capacity is more
Grade includes: evaporator, air-cooler, valve, pipeline etc. using the capital equipment in subsystem；Heat step is in subsystem
Capital equipment includes: plate heat exchanger, fan coil, valve, pipeline etc..Refrigeration cycle subsystem, cooling capacity multistage use subsystem
System is connected with the capital equipment in subsystem each by particular conduit with heat step；Cooling capacity multistage is with subsystem and system
SAPMAC method subsystem is connected by evaporator；Heat step passes through plate-type heat-exchange with subsystem and refrigeration cycle subsystem
Device connects.Refrigerant in refrigeration cycle subsystem uses ammonia；Cooling capacity multistage is with the refrigerating medium in subsystem using low
Warm freezing liquid；Heat step uses water with the heat transfer medium in subsystem.
Fig. 1 is the system principle schematic diagram of the utility model.As shown in Figure 1, refrigeration cycle subsystem are as follows: 1-2-3-4-5-
6-7-9-9 ' -8-1,1-2-3-4-5-6-7-10-10 ' -8-1,1-2-3-4-5-6-7-11-8-1；Cooling capacity multistage uses subsystem
Are as follows: 16-17-16,18-19-18,20-21-20, heat step use subsystem are as follows: 12-13-12,14-15-14.
In practical application, low-temperature low-pressure refrigerant ammonia steam enters compressor A through pipeline 1 in refrigeration cycle subsystem,
High-temperature high-pressure refrigerant ammonia steam is compressed into compressor A；High-temperature high-pressure refrigerant ammonia steam is through pipeline 2, into oil catcher B,
Separate and collect the lubrication oil droplet carried in high-temperature high-pressure refrigerant ammonia steam；High-temperature high-pressure refrigerant ammonia steam successively passes through later
Pipeline 3, plate heat exchanger C1, pipeline 4, plate heat exchanger C2 gradually occur in plate heat exchanger C1, plate heat exchanger C2
Heat exchange, is condensed into cryogenic high pressure refrigerant ammonia liquid into evaporative condenser C3 via pipeline 5 later；Cryogenic high pressure refrigeration
Agent ammonia liquid is successively through piping 6, liquid storage device D, pipeline 7, into gas-liquid separator E；Height in gas-liquid separator E in pipeline
It presses the low-temperature low-pressure refrigerant ammonia liquid in low-temperature refrigerant ammonia liquid and gas-liquid separator E that heat exchange occurs, forms supercooling
High pressure low temperature refrigerant ammonia liquid；The high pressure low temperature refrigerant ammonia liquid of supercooling, enters regulation station L through valve K3；Via adjusting
The L that stands adjusting is divided into three roads and completes refrigeration cycle.The first via: high pressure low temperature refrigerant ammonia liquid successively passes through valve from regulation station L
K4, expansion valve G1, pipeline 9, reducing pressure by regulating flow become low-pressure low-temperature refrigerant ammonia liquid, enter evaporator F3 later, and evaporation is inhaled
Heat becomes low-pressure low-temperature refrigerant ammonia steam；Low-pressure low-temperature refrigerant ammonia steam is successively through piping 9', pipeline 8, into gas-liquid
Separator E is mixed with the superheated refrigerant ammonia steam in gas-liquid separator E, while being isolated low-temperature low-pressure refrigerant ammonia steam
In the low-temperature low-pressure refrigerant ammonia liquid that has；Low-temperature low-pressure refrigerant ammonia steam is compressed into height into compressor A through pipeline 1
Warm high-pressure refrigerant ammonia steam；Second tunnel: high pressure low temperature refrigerant ammonia liquid successively passes through valve K5, expansion valve from regulation station L
G2, pipeline 10, reducing pressure by regulating flow become low-pressure low-temperature refrigerant ammonia liquid, enter evaporator F2 later, and evaporation endothermic becomes low
Press low-temperature refrigerant ammonia steam；Low-pressure low-temperature refrigerant ammonia steam is successively through piping 10', pipeline 8, into gas-liquid separator E,
It mixes with the superheated refrigerant ammonia steam in gas-liquid separator E, while isolating and being had in low-temperature low-pressure refrigerant ammonia steam
Low-temperature low-pressure refrigerant ammonia liquid；Low-temperature low-pressure refrigerant ammonia steam is compressed into high temperature and pressure system into compressor A through pipeline 1
Cryogen ammonia steam；Third road: high pressure low temperature refrigerant ammonia liquid successively passes through valve K6, expansion valve G3, throttling from regulation station L
Decompression, becomes low-pressure low-temperature refrigerant ammonia liquid, enters evaporator F1 later, and evaporation endothermic becomes low-pressure low-temperature refrigerant ammonia
Steam；Low-pressure low-temperature refrigerant ammonia steam is successively through piping 11, pipeline 8, into gas-liquid separator E, with gas-liquid separator E
The mixing of superheated refrigerant ammonia steam, while isolating the low-temperature low-pressure refrigerant ammonia having in low-temperature low-pressure refrigerant ammonia steam
Liquid；Low-temperature low-pressure refrigerant ammonia steam is compressed into high-temperature high-pressure refrigerant ammonia steam, so far into compressor A through pipeline 1
Complete a refrigeration cycle.
In practical application, when refrigeration cycle subsystem is out of service, the refrigerant ammonia in system, which absorbs heat, to be expanded, in system
Pressure rise, pressure-control valve I are opened, and refrigerant ammonia makes system into expansion vessel H by pressure-control valve I, pipeline 23
Interior pressure reduction；When the operation of refrigeration cycle subsystem, the refrigerant ammonia in expansion vessel H is successively through piping 22, check valve J
Into system, refrigeration cycle is carried out.
In practical application, cooling capacity multistage is with the refrigerating medium freezing liquid of subsystem respectively in evaporator F1, evaporator F2, steaming
Heat exchange respectively occurs with low-temperature low-pressure refrigerant ammonia in hair device F3, conveys cooling capacity；In cold 1, refrigerating medium freezing liquid is successively passed through
Valve K9, pipeline 16, air-cooler N1, pipeline 17, evaporator F1, valve K9 are crossed, one is completed and recycles, in refrigerating medium freezing liquid
Cooling capacity is delivered to cold 1 by air-cooler N1；In cold 2, refrigerating medium freezing liquid successively passes through valve K10, pipeline 18, cold wind
Machine N2, pipeline 19, evaporator F2, valve K10, complete a circulation, and the cooling capacity in refrigerating medium freezing liquid is defeated by air-cooler N2
It send to cold 2；In cold 3, refrigerating medium freezing liquid successively passes through valve K11, pipeline 20, air-cooler N3, pipeline 21, evaporator
F3, valve K11, complete a circulation, and the cooling capacity in refrigerating medium freezing liquid is delivered to cold 3 by air-cooler N3.
The utility model adjusts the refrigerant flow being transported in different evaporators using regulation station L, has according to refrigeration
The advantages of difference of agent feed flow, each evaporator capacity of flexible modulation, manufacture freezer cold required cryogenic temperature of difference；It is cold
The multistage refrigerating medium freezing liquid in subsystem of amount, in evaporator F1, evaporator F2, evaporator F3, respectively with refrigerant
Heat exchange occurs, via air-cooler to cold conveying cooling capacity of freezer, manufactures low temperature, and air-cooler uses variable-frequency motor, has
The conveying that cooling capacity can flexibly be controlled, improves the benefit of cooling capacity at the advantages of making in freezer different cold maintenance respective constant low temperature
With rate.
In practical application, heat step uses the heat transfer medium water of subsystem, respectively in plate heat exchanger C1, plate-type heat-exchange
Heat exchange occurs with high-temperature high-pressure refrigerant ammonia steam in device C2, conveys heat；In hothouse 1, heat transfer medium water successively passes through
Valve K7, pipeline 12, fan coil M1, pipeline 13, plate heat exchanger C1, valve K7 complete one and recycle, in heat transfer medium water
Heat, hothouse 1 is transported to by fan coil M1；In hothouse 2, heat transfer medium water successively passes through valve K8, pipeline
14, fan coil M2, pipeline 15, plate heat exchanger C2, valve K8, complete a circulation, and the heat in heat transfer medium water passes through
Fan coil M2 is transported to hothouse 2.
The utility model uses plate heat exchanger C1, plate heat exchanger C2, gradually to from refrigeration cycle subsystem compressor A
In the high-temperature high-pressure refrigerant ammonia steam cooling that comes out, and the heat that heat exchange is got, via fan coil M1, fan unit
Pipe M2 is respectively delivered in hothouse 1 and hothouse 2, forms the different freeze-day with constant temperature room of two temperature, has cascade utilization system
The advantages of heat of the high-temperature high-pressure refrigerant ammonia steam release come out from compressor A in SAPMAC method subsystem, improve heat
The utilization rate of amount.
In practical application, the pipeline of use all has good temperature tolerance, resistance to pressure, and to the anticorrosive of refrigerant ammonia
Property.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications can be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Claims (6)
1. a kind of cold and hot energy utility system, which is characterized in that the system includes refrigeration cycle subsystem, cooling capacity multistage with son
System and heat step use subsystem；
Heat exchangers of the heat step hothouse that several use step heat dry with subsystem packet, several series windings
With several fan coils being respectively communicated with several heat exchangers, it is dry that several described fan coils are separately positioned on several
Dry interior；The cooling capacity gradient utilization system include can by regulation station that cooling capacity step exports, several are using step cooling capacity
Refrigeration cold, be respectively arranged at cold several air-coolers, several evaporators being connected with several air-coolers, if
The dry evaporator is arranged in parallel and passes through several expansion valves to be connected to the cooling capacity delivery outlet of regulation station；The refrigeration cycle
Subsystem includes the heat exchanger of refrigeration compressor, condenser, gas-liquid separator, expansion valve and several series windings；The condensation
Device is connected with gas-liquid separator, and the gas-liquid separator is connected with compressor, several described heat exchanger series winding settings exist
Between refrigeration compressor and condenser；The high pressure low temperature mouth of the high pressure low temperature mouth connection gas-liquid separator of the regulation station, it is described
Regulation station is provided with the outlet of several low-pressure low-temperatures to export cooling capacity step, and the regulation station is distinguished by several expansion valves
Several evaporators are connected, the low-pressure low-temperature outlet of several evaporators is connected on gas-liquid separator.
2. cold and hot energy utility system according to claim 1, it is characterised in that: the gas-liquid separator and refrigerant compression
It is connected with expansion vessel on connecting pipeline between machine, pressure-control valve is provided on the intake channel of the expansion vessel, is exported
Check valve is provided on channel.
3. cold and hot energy utility system according to claim 2, it is characterised in that: the condenser and gas-liquid separator it
Between be provided with liquid storage device, be provided with oil catcher between the refrigeration compressor and the heat exchanger of the first order, the oil catcher returns
Oil pipe is connected to refrigeration compressor.
4. cold and hot energy utility system according to claim 3, it is characterised in that: the condenser is evaporating type condensing
Device, the heat exchanger are plate heat exchanger and are two, form two hothouses accordingly, are provided with blower in the hothouse
Coil pipe, the heat exchanger are connected with fan coil.
5. cold and hot energy utility system according to claim 4, it is characterised in that: described cold is three, corresponding institute
Stating air-cooler, evaporator also is three.
6. cold and hot energy utility system according to claim 5, it is characterised in that: the connection of the oil catcher and compressor
Communicating passage on channel, in the communicating passage of the fan coil and condenser, between the gas-liquid separator and regulation station
Valve is provided in upper, the described regulation station and the communicating passage of evaporator, in the communicating passage of the evaporator and air-cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069098.2U CN209355524U (en) | 2018-12-11 | 2018-12-11 | A kind of cold and hot energy utility system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069098.2U CN209355524U (en) | 2018-12-11 | 2018-12-11 | A kind of cold and hot energy utility system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209355524U true CN209355524U (en) | 2019-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822069098.2U Expired - Fee Related CN209355524U (en) | 2018-12-11 | 2018-12-11 | A kind of cold and hot energy utility system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209355524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386980A (en) * | 2018-12-11 | 2019-02-26 | 河南理工大学 | A kind of cold and hot energy utility system |
| CN115978879A (en) * | 2023-03-21 | 2023-04-18 | 昆明理工大学 | High-efficient roast room-freezer coupled system |
-
2018
- 2018-12-11 CN CN201822069098.2U patent/CN209355524U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386980A (en) * | 2018-12-11 | 2019-02-26 | 河南理工大学 | A kind of cold and hot energy utility system |
| CN109386980B (en) * | 2018-12-11 | 2024-06-25 | 河南理工大学 | Cold and hot energy utilization system |
| CN115978879A (en) * | 2023-03-21 | 2023-04-18 | 昆明理工大学 | High-efficient roast room-freezer coupled system |
| CN115978879B (en) * | 2023-03-21 | 2023-06-13 | 昆明理工大学 | Efficient curing barn-freezer coupling system |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20211211 |