CN204880859U - Mechanical vapor recompression heat pump - Google Patents
Mechanical vapor recompression heat pump Download PDFInfo
- Publication number
- CN204880859U CN204880859U CN201520421180.0U CN201520421180U CN204880859U CN 204880859 U CN204880859 U CN 204880859U CN 201520421180 U CN201520421180 U CN 201520421180U CN 204880859 U CN204880859 U CN 204880859U
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- Prior art keywords
- separator
- heat pump
- pump
- function
- outlet
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Links
- 238000001704 evaporation Methods 0.000 claims abstract description 45
- 230000008020 evaporation Effects 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 11
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of sludge drying recovery processing systems, in particular to a mechanical vapor recompression heat pump, which comprises a vapor compressor, a feed liquid storage tank, a feed pump, a spraying device, an evaporator and a separator, wherein the feed liquid storage tank, the feed pump, the spraying device, the evaporator and the separator are connected in sequence; the spraying device comprises a high-pressure water pump and a nozzle array, wherein the inlet of the high-pressure water pump is connected with a feed pump, the outlet of the high-pressure water pump is connected with the nozzle array, and the nozzle array comprises a plurality of nozzles; the evaporator comprises a shell and a plurality of evaporation tubes vertically arranged in the shell, and a heating gap is formed between the shell and the evaporation tubes; the lower ends of the evaporation tubes are connected with the nozzles in a one-to-one correspondence manner, and the other ends of the evaporation tubes are connected with the separator; the top of the separator is provided with a steam outlet, a compressed steam inlet of the steam compressor is connected with the steam outlet of the separator, and a compressed steam outlet of the steam compressor is connected with the heating gap. The utility model provides a mechanical vapor recompression heat pump improves heat transfer performance through the means that adopts the spray evaporation to improve the efficiency of mechanical vapor recompression heat pump.
Description
Technical field
The utility model relates to waste water and sludge drying recovery and processing system technical field, particularly relates to a kind of function of mechanical steam recompression heat pump, relates more specifically to a kind of function of mechanical steam recompression heat pump by spray evaporation.
Background technology
In recent years, because the demand of the mankind to the energy is increasing, resource provisioning runs into bottleneck frequently, and therefore the development of economic society receives impact.In the face of situation like this, energy-conservationly become one of important channel breaking away from energy shortage constraint at present.
Along with national energy-saving reduces discharging appearance and the enforcement of policy, the development of highly energy-consuming trade is subject to increasing restriction, and the energy consumption how reducing unit output value becomes the important Transformation Way of enterprise's survival and development.In a lot of industry, evaporation technology is one indispensable important procedure, is related to quality and the efficiency of whole production process.But it is large that the way adopted at present generally has quantity of steam consumption, the shortcoming that energy utilization rate is low.
Function of mechanical steam recompression of the prior art (English name: MechanicalVaporRecompression, english abbreviation: MVR), its heat pump techniques bases oneself upon the mechanism that in evaporation process, recuperation of heat utilizes, finally discharged for traditional handicraft waste hot steam is collected again, makes it return to after compression and there is the ability of evaporating heating.Due to the latent heat fully recycling indirect steam, therefore compare traditional evaporation technique, greatly reduce energy consumption.Meanwhile, this technology has huge environmental protection potentiality, for can the discharge of decreasing pollution thing during 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 just can use, do not need steam, boiler, coal and cooling water, decreases SO
2, CO
2discharge, decrease the discharge of dust and solid slag.To sum up, its energy saving standard benefit is all considerable, but the efficiency of function of mechanical steam recompression heat pump of the prior art is but limited by the efficiency of compressor and the heat exchange efficiency of evaporimeter.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model there is provided a kind of function of mechanical steam recompression heat pump, by adopting the means of spray evaporation to improve heat exchange property, thus improves the efficiency of function of mechanical steam recompression heat pump.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of function of mechanical steam recompression heat pump, comprises vapour compression machine, and the feed liquid storage tank, feed pump, sprayer unit, evaporimeter and the separator that connect successively;
Described sprayer unit comprises high-pressure hydraulic pump and nozzle array, and the entrance of described high-pressure hydraulic pump connects described feed pump, and described water under high pressure delivery side of pump connects described nozzle array, and described nozzle array comprises some nozzles;
Described evaporimeter comprises housing and is vertically arranged at the some evaporation tubes in housing, is formed and add temperature gap between described housing and evaporation tube; The lower end of described evaporation tube is connected with described nozzle correspondingly, and the upper end of described evaporation tube connects described separator;
Described separator top is provided with steam (vapor) outlet, and the compressed steam entrance of described vapour compression machine connects the steam (vapor) outlet of described separator, adds temperature gap described in the compressed steam outlet connection of described vapour compression machine.
Further, aforementioned feed liquid storage tank is provided with charging aperture, discharging opening and air bleeding valve, and described discharging opening connects described feed pump, and described air bleeding valve is for discharging the incoagulable gas in described feed liquid storage tank.
Further, also filter is connected with between aforementioned feed pump and described high-pressure hydraulic pump.
Further, aforementioned separator is also provided with loop exit, and described evaporimeter is also provided with the loop head be connected with described evaporation tube, is connected between described loop exit and loop head by circulating pump.
Further, the bottom of aforementioned separator is also provided with concentrated solution outlet.
Further, aforementioned concentrated solution outlet is connected with blow-off valve.
Further, the lower housing portion of forgoing evaporators is also provided with the condensate outlet with described heating recessed bond ing.
Further, aforementioned condensate outlet connects condensate water pot.
Further, aforementioned condensate water pot connects described vapour compression machine by water jet pump.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect:
A kind of function of mechanical steam recompression heat pump that the utility model provides, comprise sprayer unit, sprayer unit is made up of high-pressure pump and nozzle array, nozzle array comprises some nozzles, solution enters in nozzle improve pressure in high-pressure pump after and is atomized, greatly increase the contact area of itself and evaporation tube, improve its heat exchange efficiency, in addition, droplet sizes after atomization is less, accelerate its evaporation rate, thus improve the efficiency of function of mechanical steam recompression heat pump, and can milk powder be widely used in, grain, beverage, chemical industry and pharmacy, alcoholics etc. relate to the industry of extraction and evaporation and concentration, can also for the treatment of industrial wastewater and municipal wastewater.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model function of mechanical steam recompression heat pump;
Fig. 2 is the structural representation of sprayer unit in the utility model.
Wherein, 1: feed liquid storage tank; 2: sprayer unit; 3: evaporimeter; 4: separator; 5: vapour compression machine; 6: high-pressure hydraulic pump; 7: nozzle; 8: evaporation tube; 9: add temperature gap; 10: filter; 11: circulating pump; 12: condensate water pot; 13: water jet pump; 14: blow-off valve; 15: feed pump.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, a kind of function of mechanical steam recompression heat pump that the present embodiment provides, comprises vapour compression machine 5, and the feed liquid storage tank 1 connected successively, feed pump 15, sprayer unit 2, evaporimeter 3 and separator 4.
As shown in Figure 2, sprayer unit 2 comprises high-pressure hydraulic pump 6 and 7 gusts, nozzle, and the entrance of high-pressure hydraulic pump 6 connects feed pump 15, and the outlet of high-pressure hydraulic pump 6 connects 7 gusts, nozzle, and 7 gusts, nozzle comprises some nozzles 7.Also be connected with filter 10 between feed pump 15 and high-pressure hydraulic pump 6, remove the solid particle contained in weak solution wherein, to avoid its plug nozzle 7.High-pressure hydraulic pump 6 is for improving the pressure of solution, and spray into evaporimeter 3 after being atomized by nozzle 7, the solution after atomization sprays in evaporation tube 8, greatly strengthen the heat exchange efficiency of evaporimeter 3.
Evaporimeter 3 is tube shell type structures, and evaporimeter 3 comprises housing and is vertically arranged at the some evaporation tubes 8 in housing, is formed and add temperature gap 9 between housing and evaporation tube 8; Solution after atomization evaporates in evaporation tube 8, through Pressurized-heated, flows adding temperature gap 9 as the water vapour of thermal source.The lower end of evaporation tube 8 is connected with nozzle 7 correspondingly, and the upper end of evaporation tube 8 connects separator 4.The lower housing portion of evaporimeter 3 is also provided with and the condensate outlet adding temperature gap 9 and be connected.Condensate outlet connects condensate 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.
Separator 4 top is provided with steam (vapor) outlet, and the compressed steam entrance of vapour compression machine 5 connects the steam (vapor) outlet of separator 4, and the compressed steam outlet connection of vapour compression machine 5 adds temperature gap 9.Vapour compression machine 5 is used for improving the pressure and temperature of water vapour, and reduces the degree of superheat in compression process by the condensed water sprayed into it, and seals spraying into water vapour from the external world, and when anti-locking system negative pressure is run, air enters.
Separator 4 is also provided with loop exit, and evaporimeter 3 is also provided with the loop head be connected with evaporation tube 8, is connected between loop exit and loop head by circulating pump 11.The bottom of separator 4 is also provided with concentrated solution outlet, and concentrated solution outlet is connected with blow-off valve 14.
Feed liquid storage tank 1 is provided with charging aperture, discharging opening and air bleeding valve, and discharging opening connects feed pump 15, and air bleeding valve is for discharging the incoagulable gas in feed liquid storage tank 1.Wherein, blow-off valve 14 is in closed condition when system cloud gray model, when solution is in the evaporation of system Inner eycle, after reaching predetermined concentration, opens blow-off valve 14 discharge; Discharging opening stays open state in evaporation process, is system continuous feed.The operation principle of the present embodiment is: the weak solution needing evaporation and concentration is housed in feed liquid storage tank 1, feed pump 15 is pumped into filter 10, through the weak solution of filter 10 enter sprayer unit 2 and by its atomization after spray in evaporation tube 8, by rapidly evaporation after the high temperature and high pressure steam heating that adds in temperature gap 9, the steam after evaporation enters separator 4 together with the solution not yet to evaporate; In separator 4, steam is separated with solution, steam enters vapour compression machine 5 and improves temperature and pressure further, and enter evaporimeter 3 add temperature gap 9 newly enters evaporation tube 8 weak solution as heat source, system is discharged with the form of condensed water after release evaporation latent heat, this condensed water flows into condensate water pot 12, and spray into vapour compression machine 5 by water jet pump 13, be used for reducing the degree of superheat in evaporation process, the weak solution newly entering evaporation tube 8 comprises the solution not yet evaporated in last evaporation and the solution entered from feed liquid storage tank 1.When the concentration of solution does not reach requirement, will repeatedly enter evaporimeter 3 evaporation and concentration by circulating pump 11, until its concentration is discharged by blow-off valve 14 after reaching requirement.In evaporation process, the weak solution in material liquid tank 1 is constantly pumped into system by feed pump 15, with flow out from separator 4 easily together with enter evaporimeter 3 and evaporate.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (9)
1. a function of mechanical steam recompression heat pump, is characterized in that, comprises vapour compression machine, and the feed liquid storage tank, feed pump, sprayer unit, evaporimeter and the separator that connect successively;
Described sprayer unit comprises high-pressure hydraulic pump and nozzle array, and the entrance of described high-pressure hydraulic pump connects described feed pump, and described water under high pressure delivery side of pump connects described nozzle array, and described nozzle array comprises some nozzles;
Described evaporimeter comprises housing and is vertically arranged at the some evaporation tubes in housing, is formed and add temperature gap between described housing and evaporation tube; The lower end of described evaporation tube is connected with described nozzle correspondingly, and the upper end of described evaporation tube connects described separator;
Described separator top is provided with steam (vapor) outlet, and the compressed steam entrance of described vapour compression machine connects the steam (vapor) outlet of described separator, adds temperature gap described in the compressed steam outlet connection of described vapour compression machine.
2. function of mechanical steam recompression heat pump according to claim 1, it is characterized in that, described feed liquid storage tank is provided with charging aperture, discharging opening and air bleeding valve, and described discharging opening connects described feed pump, and described air bleeding valve is for discharging the incoagulable gas in described feed liquid storage tank.
3. function of mechanical steam recompression heat pump according to claim 1, is characterized in that, is also connected with filter between described feed pump and described high-pressure hydraulic pump.
4. function of mechanical steam recompression heat pump according to claim 1, it is characterized in that, described separator is also provided with loop exit, and described evaporimeter is also provided with the loop head be connected with described evaporation tube, is connected between described loop exit and loop head by circulating pump.
5. function of mechanical steam recompression heat pump according to claim 1, is characterized in that, the bottom of described separator is also provided with concentrated solution outlet.
6. function of mechanical steam recompression heat pump according to claim 5, is characterized in that, described concentrated solution outlet is connected with blow-off valve.
7. function of mechanical steam recompression heat pump according to claim 1, is characterized in that, the lower housing portion of described evaporimeter is also provided with the condensate outlet with described heating recessed bond ing.
8. function of mechanical steam recompression heat pump according to claim 7, is characterized in that, described condensate outlet connects condensate water pot.
9. function of mechanical steam recompression heat pump according to claim 8, is characterized in that, described condensate water pot connects described vapour compression machine by water jet pump.
Priority Applications (1)
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CN201520421180.0U CN204880859U (en) | 2015-06-17 | 2015-06-17 | Mechanical vapor recompression heat pump |
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CN201520421180.0U CN204880859U (en) | 2015-06-17 | 2015-06-17 | Mechanical vapor recompression heat pump |
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CN201520421180.0U Withdrawn - After Issue CN204880859U (en) | 2015-06-17 | 2015-06-17 | Mechanical vapor recompression heat pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106322825A (en) * | 2015-06-17 | 2017-01-11 | 中国科学院理化技术研究所 | Mechanical vapor recompression heat pump |
CN106705492A (en) * | 2017-01-09 | 2017-05-24 | 中国科学院理化技术研究所 | MVR system of external heating wet compression |
-
2015
- 2015-06-17 CN CN201520421180.0U patent/CN204880859U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106322825A (en) * | 2015-06-17 | 2017-01-11 | 中国科学院理化技术研究所 | Mechanical vapor recompression heat pump |
CN106322825B (en) * | 2015-06-17 | 2018-09-14 | 中国科学院理化技术研究所 | Mechanical vapor recompression heat pump |
CN106705492A (en) * | 2017-01-09 | 2017-05-24 | 中国科学院理化技术研究所 | MVR system of external heating wet compression |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180914 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180914 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |