CN106322825B - A kind of function of mechanical steam recompression heat pump - Google Patents
A kind of function of mechanical steam recompression heat pump Download PDFInfo
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- CN106322825B CN106322825B CN201510338115.6A CN201510338115A CN106322825B CN 106322825 B CN106322825 B CN 106322825B CN 201510338115 A CN201510338115 A CN 201510338115A CN 106322825 B CN106322825 B CN 106322825B
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The present invention relates to sludge drying recovery and processing system technical fields, and in particular to a kind of function of mechanical steam recompression heat pump, including vapour compression machine and sequentially connected feed liquid storage tank, feed pump, spraying device, evaporator and separator；Spraying device includes high-pressure hydraulic pump and nozzle array, and the entrance of high-pressure hydraulic pump connects feed pump, and the outlet of high-pressure hydraulic pump connects nozzle array, and nozzle array includes several nozzles；Evaporator includes shell and several evaporation tubes for being vertically arranged in shell, and heating gap is formed between shell and evaporation tube；The lower end of evaporation tube is connect with nozzle correspondingly, and the other end of evaporation tube connects separator；Steam (vapor) outlet, the steam (vapor) outlet of the compressed steam entrance connection separator of vapour compression machine, the compressed steam outlet connection heating gap of vapour compression machine are equipped at the top of separator.Function of mechanical steam recompression heat pump provided by the invention improves heat exchange property, to improve the efficiency of function of mechanical steam recompression heat pump by using the means of spray evaporation.
Description
Technical field
The present invention relates to waste water and sludge drying recovery and processing system technical field more particularly to a kind of mechanical vapour to press again
Contracting heat pump relates more specifically to a kind of function of mechanical steam recompression heat pump by spray evaporation.
Background technology
In recent years, the demand due to the mankind to the energy is increasing, and resource provisioning encounters bottleneck, the hair of economic society frequently
Therefore exhibition is affected.It is energy saving to become one of the important channel for breaking away from energy shortage constraint at present in face of such situation.
With the appearance and implementation of national energy conservation and emission reduction policy, the development of highly energy-consuming trade is more and more restricted,
How to reduce the energy consumption of unit output value becomes the important Transformation Way of enterprise's survival and development.In many industries, evaporation technology
It is one of indispensable important procedure, is related to the quality and efficiency of entire production process.But the way used at present is universal
Big, the low disadvantage of energy utilization rate with quantity of steam consumption.
Function of mechanical steam recompression (English name in the prior art：Mechanical Vapor Recompression, English
Text abbreviation：MVR), heat pump techniques base oneself upon the mechanism that recuperation of heat in evaporation process utilizes, by the finally discharged waste heat of traditional handicraft
Steam is collected again, it is made to be restored to the ability with evaporation heating after compression.Due to fully having recycled indirect steam
Latent heat, therefore compare traditional evaporation technique, greatly reduce energy consumption.Meanwhile the technology has huge environmentally friendly potentiality, uses
The discharge of pollutant can be reduced when wastewater and waste liquid treatment.In addition, its system has been completely free of the dependence to steam boiler, as long as
There is electricity that can use, does not need steam, boiler, coal and cooling water, reduce SO2、CO2Discharge, it is useless to reduce dust and solid
The discharge of slag.For to sum up, energy saving and environmental benefit is considerable, still, function of mechanical steam recompression in the prior art
The efficiency of heat pump is but limited by the efficiency of compressor and the heat exchange efficiency of evaporator.
Invention content
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of function of mechanical steam recompression heat pumps, by using spray evaporation
Means improve heat exchange property, to improve the efficiency of function of mechanical steam recompression heat pump.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of function of mechanical steam recompression heat pumps, including both vapor compression
Machine and sequentially connected feed liquid storage tank, feed pump, spraying device, evaporator and separator；
The spraying device includes high-pressure hydraulic pump and nozzle array, and the entrance of the high-pressure hydraulic pump connects the feed pump, institute
The outlet for stating high-pressure hydraulic pump connects the nozzle array, and the nozzle array includes several nozzles；
The evaporator includes shell and several evaporation tubes for being vertically arranged in shell, between the shell and evaporation tube
Form heating gap；The lower end of the evaporation tube is connect with the nozzle correspondingly, and the upper end of the evaporation tube connects institute
State separator；
Steam (vapor) outlet is equipped at the top of the separator, the compressed steam entrance of the vapour compression machine connects the separator
Steam (vapor) outlet, the compressed steam outlet of the vapour compression machine connects the heating gap.
Further, aforementioned feed liquid storage tank is equipped with feed inlet, discharge port and air bleeding valve, discharge port connection it is described into
Material pump, the air bleeding valve are used to discharge the incoagulable gas in the feed liquid storage tank.
Further, it is also associated with filter device between aforementioned feed pump and the high-pressure hydraulic pump.
Further, aforementioned separator is additionally provided with loop exit, and the evaporator is additionally provided with to be connect with the evaporation tube
Loop head is connected between the loop exit and loop head by circulating pump.
Further, the bottom of aforementioned separator is additionally provided with concentrated solution outlet.
Further, aforementioned concentrated solution outlet is connected with blow-off valve.
Further, the lower part of the housing of forgoing evaporators is additionally provided with the condensate outlet being connect with the heating gap.
Further, aforementioned condensate outlet connects condensate water pot.
Further, aforementioned condensate water pot connects the vapour compression machine by water jet pump.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the advantages that：
A kind of function of mechanical steam recompression heat pump provided by the invention, including spraying device, spraying device is by high-pressure pump and spray
Mouth battle array forms, and nozzle array includes several nozzles, and solution improves after pressure in high-pressure pump into being atomized in nozzle, significantly increases
The contact area of itself and evaporation tube improves its heat exchange efficiency, in addition, the droplet sizes after atomization are smaller, accelerates its evaporation speed
Degree, to improve the efficiency of function of mechanical steam recompression heat pump, and can be widely applied to milk powder, grain, beverage, chemical industry and system
Medicine, alcoholic etc. are related to the industry extracted and be concentrated by evaporation, and can be also used for processing industrial wastewater and municipal wastewater.
Description of the drawings
Fig. 1 is the structural schematic diagram of function of mechanical steam recompression heat pump of the present invention；
Fig. 2 is the structural schematic diagram of spraying device in the present invention.
Wherein, 1：Feed liquid storage tank；2：Spraying device；3：Evaporator；4：Separator；5：Vapour compression machine；6：High-pressure hydraulic pump；
7：Nozzle；8：Evaporation tube；9：Heat gap；10：Filter device；11：Circulating pump；12：Condensate water pot；13：Water jet pump；14：Row
Expect valve；15：Feed pump.
Specific implementation mode
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise indicated, the meaning of " plurality " is two or two with
On；The orientation of the instructions such as term "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Or position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.It is right
For those skilled in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, a kind of function of mechanical steam recompression heat pump provided in this embodiment, including vapour compression machine 5, Yi Jiyi
Feed liquid storage tank 1, feed pump 15, spraying device 2, evaporator 3 and the separator 4 of secondary connection.
As shown in Fig. 2, spraying device 2 includes 7 gusts of high-pressure hydraulic pump 6 and nozzle, the entrance of high-pressure hydraulic pump 6 connects feed pump
15, the outlet of high-pressure hydraulic pump 6 connects 7 gusts of nozzle, and 7 gusts of nozzle includes several nozzles 7.Between feed pump 15 and high-pressure hydraulic pump 6 also
It is connected with filter device 10, the solid particle contained in weak solution is wherein being removed, to avoid its plug nozzle 7.High-pressure hydraulic pump 6
For improving the pressure of solution, evaporator 3 is sprayed into after being atomized by nozzle 7, the solution after atomization sprays into evaporation tube 8, greatly
The big heat exchange efficiency for enhancing evaporator 3.
Evaporator 3 is tube shell type structure, and evaporator 3 includes shell and several evaporation tubes 8 being vertically arranged in shell, shell
Heating gap 9 is formed between body and evaporation tube 8；Solution evaporation in evaporation tube 8 after atomization, it is pressurized to heat, as heat source
Water vapour heating gap 9 flow.The lower end of evaporation tube 8 is connect with nozzle 7 correspondingly, the upper end connection of evaporation tube 8
Separator 4.The lower part of the housing of evaporator 3 is additionally provided with the condensate outlet being connect with heating gap 9.Condensate outlet connection condensation
Water pot 12.Condensate water pot 12 connects vapour compression machine 5 by water jet pump 13, reduces the degree of superheat of vapour compression machine 5.
4 top of separator is equipped with steam (vapor) outlet, and the steam of the compressed steam entrance connection separator 4 of vapour compression machine 5 goes out
Mouthful, the compressed steam outlet connection heating gap 9 of vapour compression machine 5.Vapour compression machine 5 is used for improving the pressure and temperature of water vapour
Degree, and the condensed water by being sprayed into it reduces the degree of superheat in compression process, and be sealed to spraying into water vapour from the external world,
Air enters when anti-locking system negative pressure operation.
Separator 4 is additionally provided with loop exit, and evaporator 3 is additionally provided with the loop head being connect with evaporation tube 8, loop exit and
It is connected by circulating pump 11 between loop head.The bottom of separator 4 is additionally provided with concentrated solution outlet, and concentrated solution exports the row of being connected with
Expect valve 14.
Feed liquid storage tank 1 is equipped with feed inlet, discharge port and air bleeding valve, and discharge port connects feed pump 15, and air bleeding valve is for arranging
Incoagulable gas in blowing liquid storage tank 1.Wherein, blow-off valve 14 is closed in system operation, when solution is in system
Interior circulating and evaporating after reaching scheduled concentration, opens 14 discharge of blow-off valve；Discharge port is kept open in evaporation process,
For system continuous feed.The operation principle of the present embodiment is：Equipped with the weak solution for needing to be concentrated by evaporation, charging in feed liquid storage tank 1
Pump 15 is pumped into filter device 10, enters spraying device 2 by the weak solution of filter device 10 and is sprayed into after its atomization
In evaporation tube 8, by heating gap 9 in high temperature and high pressure steam heating after evaporated rapidly, the steam after evaporating with not yet evaporate
The solution finished enters separator 4 together；Steam is detached with solution in separator 4, and it is further that steam enters vapour compression machine 5
The heating gap 9 improved temperature and pressure, and enter evaporator 3 newly enters the weak solution of evaporation tube 8, release as heat source heating
After evaporation latent heat in the form of condensed water discharge system, which flows into condensate water pot 12, and is sprayed by water jet pump 13
Vapour compression machine 5, for reducing the degree of superheat in evaporation process, the new weak solution into evaporation tube 8 includes in last evaporation
The solution not yet to evaporate and the solution entered from feed liquid storage tank 1.It, will be by following when the concentration of solution does not reach requirement
Ring pump 11 enters evaporator 3 and is concentrated by evaporation repeatedly, is discharged by blow-off valve 14 after its concentration reaches requirement.In evaporation process
In, the weak solution in feed liquid storage tank 1 is constantly pumped into system by feed pump 15, easy together into steaming with being flowed out from separator 4
Device 3 is sent out to evaporate.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment
It will be appreciated that various embodiments with various modifications of the present invention to design suitable for special-purpose.
Claims (9)
1. a kind of function of mechanical steam recompression heat pump, which is characterized in that stored up including vapour compression machine and sequentially connected feed liquid
Tank, feed pump, spraying device, evaporator and separator；
The spraying device includes high-pressure hydraulic pump and nozzle array, and the entrance of the high-pressure hydraulic pump connects the feed pump, the height
The outlet of water pump connects the nozzle array, and the nozzle array includes several nozzles；
The evaporator includes shell and several evaporation tubes for being vertically arranged in shell, is formed between the shell and evaporation tube
Heat gap；The lower end of the evaporation tube is connect with the nozzle correspondingly, described point of the upper end connection of the evaporation tube
From device；
Steam (vapor) outlet is equipped at the top of the separator, the compressed steam entrance of the vapour compression machine connects the steaming of the separator
The compressed steam outlet of vapor outlet, the vapour compression machine connects the heating gap.
2. function of mechanical steam recompression heat pump according to claim 1, which is characterized in that the feed liquid storage tank is equipped with charging
Mouth, discharge port and air bleeding valve, the discharge port connect the feed pump, and the air bleeding valve is for discharging in the feed liquid storage tank
Incoagulable gas.
3. function of mechanical steam recompression heat pump according to claim 1, which is characterized in that the feed pump and the high pressure water
Filter device is also associated between pump.
4. function of mechanical steam recompression heat pump according to claim 1, which is characterized in that the separator, which is additionally provided with, to be recycled
Mouthful, the evaporator is additionally provided with the loop head being connect with the evaporation tube, passes through between the loop exit and loop head
Circulating pump connects.
5. function of mechanical steam recompression heat pump according to claim 1, which is characterized in that the bottom of the separator is additionally provided with
Concentrated solution exports.
6. function of mechanical steam recompression heat pump according to claim 5, which is characterized in that the concentrated solution exports the row of being connected with
Expect valve.
7. function of mechanical steam recompression heat pump according to claim 1, which is characterized in that the lower part of the housing of the evaporator is also
Equipped with the condensate outlet being connect with the heating gap.
8. function of mechanical steam recompression heat pump according to claim 7, which is characterized in that the condensate outlet connection condensation
Water pot.
9. function of mechanical steam recompression heat pump according to claim 8, which is characterized in that the condensate water pot passes through water jet pump
Connect the vapour compression machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338115.6A CN106322825B (en) | 2015-06-17 | 2015-06-17 | A kind of function of mechanical steam recompression heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338115.6A CN106322825B (en) | 2015-06-17 | 2015-06-17 | A kind of function of mechanical steam recompression heat pump |
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| Publication Number | Publication Date |
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| CN106322825A CN106322825A (en) | 2017-01-11 |
| CN106322825B true CN106322825B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069293U (en) * | 1989-09-12 | 1991-01-16 | 大连理工大学 | Multi-stroke lift film evaporating device |
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| JP2009103422A (en) * | 2007-10-26 | 2009-05-14 | Hitachi Ltd | Heat pump system, it operating method, and steam evaporator system |
| JP2010046571A (en) * | 2008-08-19 | 2010-03-04 | Sasakura Engineering Co Ltd | Method and device for concentrating aqueous solution by evaporation |
| CN102343162A (en) * | 2011-07-20 | 2012-02-08 | 常州大学 | Energy-saving evaporating process and equipment for L-phenylalanine brine solution |
| JP2012220123A (en) * | 2011-04-11 | 2012-11-12 | Shinei Giken:Kk | Method of generating clean steam using discharged low pressure steam as heat source, and device therefor |
| CN204880859U (en) * | 2015-06-17 | 2015-12-16 | 中国科学院理化技术研究所 | Machinery vapor recompression heat pump |
-
2015
- 2015-06-17 CN CN201510338115.6A patent/CN106322825B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069293U (en) * | 1989-09-12 | 1991-01-16 | 大连理工大学 | Multi-stroke lift film evaporating device |
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| JP2009103422A (en) * | 2007-10-26 | 2009-05-14 | Hitachi Ltd | Heat pump system, it operating method, and steam evaporator system |
| JP2010046571A (en) * | 2008-08-19 | 2010-03-04 | Sasakura Engineering Co Ltd | Method and device for concentrating aqueous solution by evaporation |
| JP2012220123A (en) * | 2011-04-11 | 2012-11-12 | Shinei Giken:Kk | Method of generating clean steam using discharged low pressure steam as heat source, and device therefor |
| CN102343162A (en) * | 2011-07-20 | 2012-02-08 | 常州大学 | Energy-saving evaporating process and equipment for L-phenylalanine brine solution |
| CN204880859U (en) * | 2015-06-17 | 2015-12-16 | 中国科学院理化技术研究所 | Machinery vapor recompression heat pump |
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| CN106322825A (en) | 2017-01-11 |
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