CN209431832U - A kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling drying system - Google Patents
A kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling drying system Download PDFInfo
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- CN209431832U CN209431832U CN201820540548.9U CN201820540548U CN209431832U CN 209431832 U CN209431832 U CN 209431832U CN 201820540548 U CN201820540548 U CN 201820540548U CN 209431832 U CN209431832 U CN 209431832U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model proposes the drying systems of a kind of solar energy auxiliary multi-stage heat pump and multistage air-cooled coupling, the various occasions for needing desiccant dehumidification can be widely used in, system that employs the modes that solar energy directly heats electric heat pump cycle fluid, two-stage electric heat pump is used simultaneously and two air-cooled heat exchangers realize 5 cool-down dehumidification processes of humid air, and then the power consumption of electric heat pump is significantly reduced compared with prior art, reduce the operating cost of desiccant dehumidification；The novel system has certain application prospect in desiccant dehumidification field.
Description
Technical field
The utility model belongs to derived energy chemical field, in particular to a kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling
The drying system of conjunction.
Background technique
A large amount of industry and civilian occasion need that material is dried dehumidification process at present, and dry energy consumption is to whole
The energy consumption of a process flow is significant, and one of dry technology therein is exactly directly to be connect using the air of high temperature low humidity with material
Touching absorbs the moisture of material.The energy consumption of drying process is higher often to burn coal or burning heated by natural gas air because directlying adopt
For drying, and the waste heat that wet air does not utilize its vapor rationally is removed.It is primary using coal or natural gas etc.
It is higher that energy mode is dried not only drying energy cost, but also the burning of non-renewable energy can also generate a large amount of pollutant.
In this context, the drying system of a kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling is proposed, non-renewable energy is not consumed
It realizes drying course, while there is no pollutant emission, moisture can be recycled effectively in the humid air after dehumidifying, the technology
There is certain application prospect to various drying occasions.
Summary of the invention
The purpose of this utility model be solar heat exchanger and multistage air-cooled heat exchange mode are coupled in drying system, wherein
Solar energy directly heats heat pump cycle working medium, and the humid air after drying passes through the water of 5 abundant recovered materials of cool-down dehumidification process
Point.Using the benefit that solar energy directly heats heat pump cycle working medium have two: one be reduction of first-stage condenser 6 needed for heat pump follow
Ring working medium load, to reduce the power consumption of level-one heat pump；Second is that solar energy service hoisting enters the heat of first-stage condenser 6
The temperature for pumping internal cycle fluid is more advantageous to the drying to material to improve the temperature of 6 outlet air of first-stage condenser
Process.The benefit that humid air after drying carries out 5 cool-down dehumidification processes has two simultaneously: first is that making full use of the wet sky after drying
The heat of gas is preheated to air-supply, and then reduces heat pump condenser load to realize power saving；Second is that abundant recovered material
In moisture, a large amount of condensed waters of generation meet industrial or civilian occasion after can handle.
The component that the system is included has that hothouse 1, solar heat exchanger 2, level-one air-cooled heat exchanger 3, second level is air-cooled changes
Hot device 4, three-level air-cooled heat exchanger 5, level-one evaporator with heat pump 7, second level evaporator with heat pump 11, level-one heat pump condenser 6, second level heat
Pump condenser 10, level-one heat pump compressor 8, second level heat pump compressor 12, level-one throttling of heat pump device 9 and second level throttling of heat pump dress
Set 13 and blower valve fittings composition.Wherein level-one evaporator with heat pump 7, level-one heat pump condenser 6,8 and of level-one heat pump compressor
Level-one throttling of heat pump device 9 forms level-one heat pump system；Second level evaporator with heat pump 11, second level heat pump condenser 10, second level heat pump
Compressor 12 and second level throttling of heat pump device 13 constitute second level heat pump system.
The working principle of the system are as follows:
High temperature air absorbs in hothouse 1 become highly humid air after the moisture of material after divide two-way to leave hothouse 1,
Middle part highly humid air enters after exhaust duct 19 with the new air heat-exchange from atmospheric environment by cool-down dehumidification, and condensed water is from condensation
Water out 28 is discharged, remaining highly humid air enters return air duct 21, firstly, into three-level air heat exchanger 27 and second level heat
The Cryogenic air that pump evaporator 26 exports exchanges heat, and high humidity return air is gone out by condensed water after cooling precipitation condensed water from condensed water
Mouth 27 is discharged, secondly, high humidity return air goes successively to level-one air-cooled heat exchanger 3 and cryogenic media is exchanged heat and is precipitated again by cooling
Condensed water, the cryogenic media of level-one air-cooled heat exchanger 3 can be atmospheric ambient air or the water at low temperature from cooling tower etc., then
Secondary, high humidity return air goes successively to level-one evaporator with heat pump 25 and exchanges heat with cycle fluid inside level-one heat pump, due in heat pump
The temperature of portion's cycle fluid will be lower than high humidity return air, so condensed water is precipitated by cooling in high humidity return air, finally, high humidity return air continues
It exchanges heat into second level evaporator with heat pump 11 and cycle fluid inside second level heat pump, the heat pump of same second level evaporator with heat pump 11
Internal cycle fluid temperature is lower than high humidity return air, therefore high humidity return air continues that condensed water is precipitated by cooling.Leave the height of hothouse 1
Humid air is amounted in level-one air-cooled heat exchanger 3, second level air-cooled heat exchanger 4, three-level air-cooled heat exchanger 5, level-one evaporator with heat pump 7
The process that condensed water is precipitated in 5 coolings is completed with second level evaporator with heat pump 11, wherein in 4 cool-down dehumidifications of return air duct 21
In the process, the temperature of high humidity return air and absolute humidity (quality for the vapor for including in the humid air of unit volume) constantly drop
Low, high humidity return air exports the minimum point for reaching temperature and absolute humidity in second level evaporator with heat pump 11.The return air of return air duct 21
The resistance of pipeline is overcome using return air fan 15.Fresh air by fresh air pipeline 20 and return air 5 entrance of three-level air-cooled heat exchanger into
Row mixing, mixed air sequentially enter three-level air-cooled heat exchanger 5, second level heat pump condenser 10 and level-one heat pump condenser 6
Entered hothouse 1 by breeze fan 14 after 3 heating.
Detailed description of the invention
Fig. 1 is the drying system embodiment of a kind of solar energy auxiliary multi-stage heat pump of the utility model, multistage air-cooled coupling
Structure diagram；
In figure:
1- hothouse, 2- solar heat exchanger, 3- level-one air-cooled heat exchanger, 4- second level air-cooled heat exchanger, 5- three-level are air-cooled
Heat exchanger, 6- level-one heat pump condenser, 7- level-one evaporator with heat pump, 8- level-one heat pump compressor, 9- level-one throttling of heat pump dress
It sets, 10- second level heat pump condenser, 11- second level evaporator with heat pump, 12- second level heat pump compressor, 13- second level throttling of heat pump device,
14- breeze fan, 15- return air fan, 16- fresh-air fan, the first valve of 17-, the second valve of 18-, 19- exhaust duct, 20-
Fresh air pipeline, 21- return air duct, 22- level-one heat pump cycle working medium pipeline A (liquid), 23- second level heat pump cycle working medium pipeline A
(liquid), 24- level-one heat pump cycle working medium pipeline B (steam state), 25- condense water out, and 26- condenses water out, and 27- condensed water goes out
Mouthful, 28- condensation water out, 29- condensation water out, 30- exhaust outlet, 31- fresh wind port, 32- cold source entrance, the outlet of 33- cold source,
34- air supply duct, 35- second level heat pump cycle working medium pipeline B (steam state).
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
The utility model embodiment as shown in Figure 1, the highly humid air first outlet of hothouse 1 by exhaust duct 19,
Second level air-cooled heat exchanger 4 be dehumidified side and exhaust outlet 30 is connected with atmospheric environment；
The highly humid air second outlet of hothouse 1 passes through return air duct 21, return air fan 15, three-level air-cooled heat exchanger 5
Hot side, the hot side of level-one air-cooled heat exchanger 3, the hot side of level-one evaporator with heat pump 7, the hot side of second level evaporator with heat pump 11, three-level
The cold side of air-cooled heat exchanger 5, the cold side of second level heat pump condenser 10, the cold side of level-one heat pump condenser 6, breeze fan 14 and dry
The high temperature air entrance of dry room 1 is connected；
Fresh wind port 31 removes wet side, fresh air pipeline 20, fresh-air fan 16, the air-cooled heat exchange of three-level with second level air-cooled heat exchanger 4
The cold side input port of device 5 is connected；
Second level throttling of heat pump device 13, second level heat pump cycle working medium pipeline A23, the cold side of second level evaporator with heat pump 11, two
The grade entrance of heat pump compressor, the outlet of second level heat pump compressor 12, second level heat pump cycle working medium pipeline B35 and second level heat pump are cold
The cold side sequence of condenser 10 is connected to form circuit；
Level-one throttling of heat pump device 9, the cold side of level-one evaporator with heat pump 7, level-one heat pump compressor 8 entrance, level-one heat
Pump outlet, the first valve 17, level-one heat pump cycle working medium pipeline B24, the hot side of level-one heat pump condenser 6, level-one of compressor 8
Heat pump cycle working medium pipeline A22 sequence is connected to form circuit, and is parallel with the second valve 18 that sequence is connected with the first valve 17
Outlet with solar heat exchanger 2, solar heat exchanger 2 imports in level-one heat pump cycle working medium pipeline B24.
Hothouse 1 is the device that high temperature air absorbs dried material moisture, and high temperature low-humidity air passes through air supply duct 34
Become low temperature and high relative humidity air after into hothouse 1 and hothouse 1 is left by exhaust duct 19 and return air duct 21；Level-one is air-cooled to change
Hot device 3 realizes the process of the cold source cooling and dehumidifying outside highly humid air is by system in return air duct 21；Second level air-cooled heat exchanger 4 is real
Condensed water is precipitated in the heat transfer process of existing high humidity air draft and low temperature fresh air, the cooled cooling of high humidity air draft；Three-level air-cooled heat exchanger 5 is real
The heat transfer process of air, high humidity air draft are dropped after existing high humidity air draft is mixed with the air draft that second level evaporator with heat pump 26 exports with fresh air
Temperature be precipitated condensed water, while second level evaporator with heat pump 11 export air draft mixed with fresh air after be heated；Level-one evaporator with heat pump 7
The process that high humidity air draft cool-down dehumidification is precipitated to condensed water is realized with second level evaporator with heat pump 11；Level-one heat pump condenser 6 and two
Grade heat pump condenser 10 is realized to the process of air draft and the mixed air heat temperature raising of fresh air；Solar heat exchanger 2, which is realized, to be inhaled
The purpose of cycle fluid inside the heat level-one heat pump of sunlight is received, after cycle fluid absorbs solar heat inside heat pump
Wind pushing air is transferred heat in level-one heat pump condenser 6 again；Breeze fan 14, return air fan 15 and fresh-air fan 16 are each
Road air provides circulation power to overcome the resistance of pipeline and pipe fitting；First valve 17 and the second valve 18 are for changing respective
Cycle fluid enters the flow of solar heat exchanger 2 inside aperture control level-one heat pump.
Low-humidity air becomes highly humid air from exhaust duct 19 and return air duct after entering hothouse 1 by air supply duct 34
21 leave hothouse 1, and the air of part of high humidity is passed through air draft after the cold dehumidifying of surrounding air by second level air-cooled heat exchanger 4
Mouth 30 enters atmospheric environment, and condensed water is discharged from condensation water out 28；The air of other high humiditys of hothouse 1 enters backwind tube
The cooled dehumidifying of three-level air-cooled heat exchanger 5 is initially entered behind road 21, condensed water is discharged from condensation water out 27, secondly enters one
Grade air-cooled heat exchanger 3 is cooled again dehumidifying, and condensed water is discharged from condensation water out 29, is again introduced into level-one evaporator with heat pump 7
Cooled dehumidifying, condensed water are discharged from condensation water out 25, finally enter the cooled dehumidifying of second level evaporator with heat pump 11, condensed water
It is flowed out from condensation water out 26.The highly humid air for leaving hothouse 1 realizes 5 drops altogether in exhaust duct 19 and return air duct 21
Warm dehumidification process.Fresh air is mixed with return air in 5 entrance of three-level air-cooled heat exchanger by fresh air pipeline 20, mixed air
It sequentially enters after three-level air-cooled heat exchanger 5, second level heat pump condenser 10 and level-one heat pump condenser 6 are heated by 3 times by air-supply
Machine 14 enters hothouse 1.
The system of the temperature of system control return air minimum temperature humidity and air-supply has two sets:
(1) electric heat pump system
Every grade of electric heat pump is made of evaporator, condenser, compressor, throttling set and ducts etc., electric heat pump
Evaporator realize that the process of condensed water is precipitated in dewing air cooling-down, the condenser of electric heat pump realizes to the process of atmosphere temperature rising
(atmosphere temperature rising process without condensed water generate), when the series of electric heat pump increases, minimum temperature that humid air can be reduced to
Also it decreases, and then the absolute humidity of saturated moist air also declines therewith.The system can be according to process requirements, using level-one
Heat pump or two-stage and more stages heat pump are to obtain the air-supply of higher temperature and lower absolute humidity to promote the rate of drying.
(2) solar energy- assisted system
The technology that existing drying system has solar energy to assist is to be heated up by solar energy directly to air-supply, due to sending
Air quantity is greatly and the coefficient of heat transfer of air is lower, so the heat exchanger volume of solar energy heating air is huge, system that employs
The mode that solar energy exchanges heat with heat pump internal working medium, since cycle fluid flows in pressure piping inside heat pump, required is changed
Hot body product significantly reduces.Solar energy- assisted system has by-pass line, can be according to the air-supply temperature of weather conditions and needs
Degree controls the flow proportional that heat pump cycle working medium enters solar heat exchanger 2 by the first valve 17 and the second valve 18.
Finally it is noted that above embodiments are only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the utility model that it does not separate the essence of the corresponding technical solution
The spirit and scope of technical solution.
Claims (1)
1. the drying system of a kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling, which is characterized in that the system is by hothouse
(1), solar heat exchanger (2), level-one air-cooled heat exchanger (3), second level air-cooled heat exchanger (4), three-level air-cooled heat exchanger (5), one
Grade evaporator with heat pump (7), second level evaporator with heat pump (11), level-one heat pump condenser (6), second level heat pump condenser (10), level-one
Heat pump compressor (8), second level heat pump compressor (12), level-one throttling of heat pump device (9) and second level throttling of heat pump device (13) and
Pipe fitting is constituted, wherein level-one evaporator with heat pump (7), level-one heat pump condenser (6), level-one heat pump compressor (8) and level-one
Throttling of heat pump device (9), level-one heat pump cycle working medium pipeline B (24) and level-one heat pump cycle working medium pipeline A (22) form level-one
Heat pump system；Second level evaporator with heat pump (11), second level heat pump condenser (10), second level heat pump compressor (12), second level heat pump section
It flows device (13) and second level heat pump cycle working medium pipeline A (23) and second level heat pump cycle working medium pipeline B (35) constitutes second level heat pump
System；
The highly humid air first outlet of hothouse (1) by exhaust duct (19), second level air-cooled heat exchanger (4) be dehumidified side and
Exhaust outlet (30) is connected with atmospheric environment；
The highly humid air second outlet of hothouse (1) passes through return air duct (21), return air fan (15), three-level air-cooled heat exchanger
(5) hot side, the hot side of level-one air-cooled heat exchanger (3), the hot side of level-one evaporator with heat pump (7), second level evaporator with heat pump (11)
Hot side, the cold side of three-level air-cooled heat exchanger (5), the cold side of second level heat pump condenser (10), level-one heat pump condenser (6) it is cold
Side, breeze fan (14) are connected with the high temperature air entrance of hothouse (1)；
Fresh wind port (31) removes wet side, fresh air pipeline (20), fresh-air fan (16) with second level air-cooled heat exchanger (4), and three-level is air-cooled
The cold side input port of heat exchanger (5) is connected；
Second level throttling of heat pump device (13), second level heat pump cycle working medium pipeline A (23), second level evaporator with heat pump (11) cold side,
The entrance of second level heat pump compressor, the outlet of second level heat pump compressor (12), second level heat pump cycle working medium pipeline B (35) and second level
The cold side sequence of heat pump condenser (10) is connected to form circuit；
Level-one throttling of heat pump device (9), the cold side of level-one evaporator with heat pump (7), level-one heat pump compressor (8) entrance, level-one
The outlet of heat pump compressor (8), the first valve (17), level-one heat pump cycle working medium pipeline B (24), level-one heat pump condenser (6)
Hot side, level-one heat pump cycle working medium pipeline A (22) is sequentially connected to form circuit, and is parallel with sequence phase with the first valve (17)
The outlet of the second valve (18) and solar heat exchanger (2) even, solar heat exchanger (2) imports level-one heat pump cycle working medium tube
In road B (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540548.9U CN209431832U (en) | 2018-04-17 | 2018-04-17 | A kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540548.9U CN209431832U (en) | 2018-04-17 | 2018-04-17 | A kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling drying system |
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| Publication Number | Publication Date |
|---|---|
| CN209431832U true CN209431832U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820540548.9U Expired - Fee Related CN209431832U (en) | 2018-04-17 | 2018-04-17 | A kind of solar energy auxiliary multi-stage heat pump, multistage air-cooled coupling drying system |
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| CN (1) | CN209431832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114933404A (en) * | 2022-06-02 | 2022-08-23 | 江苏通用环保集团有限公司 | Multistage energy-saving closed dehumidification heat pump system |
-
2018
- 2018-04-17 CN CN201820540548.9U patent/CN209431832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114933404A (en) * | 2022-06-02 | 2022-08-23 | 江苏通用环保集团有限公司 | Multistage energy-saving closed dehumidification heat pump system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210402 Address after: 102206 room 703, unit 2, 6 / F, building 3, yard 1, Beiqing Road, Changping District, Beijing Patentee after: Beijing Huadian Dongsheng Technology Co.,Ltd. Address before: 102206 No. 2 Nong Road, Huilongguan, Beijing, Changping District Patentee before: NORTH CHINA ELECTRIC POWER University |
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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: 20190924 |