CN109708338A - A kind of sewage, seawater vacuum evaporator and absorption heat pump - Google Patents
A kind of sewage, seawater vacuum evaporator and absorption heat pump Download PDFInfo
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- CN109708338A CN109708338A CN201711015454.6A CN201711015454A CN109708338A CN 109708338 A CN109708338 A CN 109708338A CN 201711015454 A CN201711015454 A CN 201711015454A CN 109708338 A CN109708338 A CN 109708338A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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]
- Y02B30/62—Absorption based systems
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Abstract
A kind of sewage vacuum vaporising device, belongs to energy-saving field, comprising: cold boiler is connected to external sewage；Liquid plate is hidden, the inside of the cold boiler is set to, and be located at below the cold boiler delivery outlet, so that the low pressure water vapor is passed through and exported.Use absorbent for example using sewage vacuum vaporising device: lithium bromide directly absorbs the low pressure water vapor that sewage evaporation comes out, and the low pressure water vapor that sewage evaporation comes out is absorbed in absorber and becomes a part of working medium and participate in the inside circulation of heat pump.Avoid need to exchange heat twice during processing and caused by thermal energy largely lose the generation of class problem.
Description
Technical field
The present invention relates to energy-saving field more particularly to a kind of sewage, seawater vacuum evaporator and absorption heat pump.
Background technique
Contain a large amount of thermal energy in some sanitary sewages and trade effluent, it is serious for some energy consumptions height, sewage discharge
Industry can not be directly recycled, direct emission not only pollutes since sewage has corrosivity and contains a large amount of impurities
Environment, but also will cause the huge waste of the energy.
Currently available technology mostly mainly uses intermediary's water first in the way of absorption heat pump recycling trade effluent waste heat
It exchanges heat in sewage heat exchanger with trade effluent, heat is brought to evaporator as more than absorption heat pump by intermediary's water
Heat source, and then trade effluent waste heat is recycled.But this mode is on the one hand, due to changing twice there are intermediate medium
Heat keeps thermal loss larger；On the other hand, this recovery waste heat mode system complex, it is at high cost.In addition, in sea water desalination skill
In art, the heat that the Low Temperature Steam evaporated is released when condensing is not fully utilized, and energy consumption is bigger.
Summary of the invention
The object of the present invention is to provide a kind of sewage, seawater vacuum evaporator and absorption heat pumps, utilize sewage vacuum
Vaporising device uses absorbent for example: lithium bromide, calcium chloride directly absorb the low pressure water vapor that sewage evaporation comes out, sewage evaporation
Low pressure water vapor out is absorbed in absorber and becomes a part of working medium and participate in the inside circulation of heat pump.Reduce
Need to exchange heat twice during processing in existing and technology and caused by thermal energy largely lose the generation of class problem.In addition, can
Desalt processing is carried out to seawater under the action of evaporation heater using the application seawater vacuum evaporator, prepares pure water.
Whole process is easy to operate, low in cost.And evaporate heating during can by absorption heat pump principle recovery waste heat,
It is high to the utilization rate of the energy, achieve the purpose that save energy consumption.In addition, sewage vacuum vaporising device that the present invention uses and suction
Receipts formula heat pump, directly recycles simultaneously to the heat source in sewage, has simple processing to act in sewage, has reached certain
Protect the purpose of environment.The system is simple and easy to sewage recovery waste heat mode, low in cost, is easy to marketing, practicability
It is high.
To solve the above problems, the first aspect of the present invention provides a kind of sewage vacuum vaporising device, comprising: vacuum is steamed
Device is sent out, is connected to external sewage；Liquid plate is hidden, is set to the inside of the cold boiler, and it is defeated to be located at the cold boiler
Outlet lower section, so that the low pressure water vapor is passed through and exported.
A kind of seawater vacuum evaporator is additionally provided according to another aspect of the present invention, comprising: cold boiler, and it is outer
The connection of portion's seawater；Evaporation heater is set to inside the cold boiler, so that it is carried out height to carry out heating to the seawater
Temperature evaporation, forms low pressure water vapor；Liquid plate is hidden, is set to the inside of the cold boiler, and be located at the evaporation heater
Top, so that the low pressure water vapor is passed through and exported.
Further, the vacuum evaporator further include: shut-off valve and draining pump；The shut-off valve is arranged in water inlet pipe
On, enter the flow of the cold boiler to control sewage or seawater；The draining pump is arranged on the drainpipe, with control
Make the sewage or seawater displacement of the cold boiler.
Further, the vacuum evaporator further include: water inlet pipe and drainpipe；The water inlet pipe is arranged in the vacuum
The bottom of evaporator, for inputting sewage or seawater；The side wall of the cold boiler is arranged in the drainpipe, for exporting
Sewage or seawater after heat exchange.
According to a further aspect of the invention, a kind of absorption heat pump, including sewage described in any of the above embodiments are provided
Vacuum evaporator, further includes: absorber is connected to the cold boiler and is formed as a closing with the cold boiler
Vacuum chamber；Spray thrower, is arranged in the inside of the absorber, and the solution and the low pressure water vapor of sprinkling carry out hot friendship
It changes, forms dilute solution；First heat supply tube bundle, is arranged in the inside of the absorber, and is located at below the spray thrower, with
Under the action of the dilute solution, the water inside the first heat supply tube bundle is heated.
Further, the absorption heat pump, further includes: heat-exchanger rig is connected to the spray thrower, for the spray
Device provides the solution of sprinkling.
Further, the heat-exchanger rig is connected to the absorber, the heat-exchanger rig further include: generator, for pair
It is heated by the dilute solution that the absorber inputs, it is made to form concentrated solution after evaporation and is utilized again.
Further, the heat-exchanger rig is connected to the absorber bottom or side wall.
Further, the heat-exchanger rig further include: condenser, the cryogen vapor generated when for being heated with dilute solution
Heat exchange is carried out, so that the water as refrigerant steam cooling forms condensed water；Second heat supply tube bundle is arranged in the condenser
Portion, input terminal are connected to the first heat supply tube bundle；Collection vessel is set to below the condenser, for collecting the condensation
Water.
Further, the cold boiler and the absorber are respectively multiple；Vacuum evaporator described in every two connects
It is logical, for by the sewage transport evaporated in a vacuum evaporator to another the described vacuum evaporation communicated therewith
Device；The first heat supply tube bundle connection inside absorber described in every two, so that the first of an absorber heating supplies
Water in heat tube bundle is heated again after the first heat supply tube bundle being input in another absorber.
Further, the absorption heat pump, wherein the spray in an absorber and another described absorber
Device connection, is input in another described absorber the spray thrower for the dilute solution in an absorber and provides spray for it
The solution spilt.
Further, the absorption heat pump, wherein the spray in the heat-exchanger rig and one of them described absorber
Device connection, to provide the solution of sprinkling for the spray thrower；Another described absorber is connected to the heat-exchanger rig, with to institute
It states input dilute solution in heat-exchanger rig and is evaporated to form concentrated solution by the generator.
Further, the absorption heat pump, further includes: solution heat exchanger, respectively with the absorber and described change
Thermal connection, for carrying out heat to the dilute solution for flowing out the absorber and the concentrated solution for flowing out the heat-exchanger rig respectively
Amount exchange.
Further, the absorption heat pump, further includes: multiple exhaust tubes and multiple vacuum pumps；Each exhaust tube
It is connected to the portion of each absorber；Each vacuum pump is arranged on each exhaust tube, described true to be discharged
On-condensible gas in empty evaporator and in the absorber；The quantity of the exhaust tube and the quantity of the absorber match；
The quantity of the vacuum pump and the quantity of the absorber match.
Further, the absorption heat pump, further includes: multiple solution pumps are arranged one between absorber described in every two
A solution pump, to provide driving force for the conveying of solution；Setting one is molten between the absorber and the solution heat exchanger
Liquid pump, to provide driving force for the solution in the absorber is delivered to the heat-exchange device；The heat-exchange device with
One solution pump is set between the solution heat exchanger, to mention for the solution in the heat-exchange device is delivered to absorber
For driving force.
The present invention using sewage vacuum vaporising device using absorbent for example: lithium bromide, calcium chloride directly absorb sewage or
The low pressure water vapor that the low pressure water vapor that evaporation of seawater comes out, sewage or evaporation of seawater come out is absorbed in absorber and is become
A part of working medium and the inside circulation for participating in heat pump, sewage or seawater after pervaporation are discharged by drainpipe through draining pump；
Low pressure water vapor from sewage vacuum evaporator enters the lithium bromide concentrated solution sprayed after absorber with spray thrower and contacts, and absorbs
Concentrated solution in device absorbs low pressure water vapor and becomes weak solution, and the weak solution that absorber generates is through solution pump and solution heat exchanger
Into generator, the concentrated solution that generator generates enters absorber through solution pump and solution heat exchanger, from the dense of generator
Solution and weak solution from absorber exchange heat in solution heat exchanger；High temperature heat source enters generation through high temperature heat source input pipe
Device generates cryogen vapor to the weak solution heating in generator, and weak solution becomes concentrated solution, through high temperature after high temperature heat source heat release
The discharge of heat source discharge pipe；The cryogen vapor generated in generator, which enters, is condensed into condensed water in condenser, condensed water is by condensing
Waterpipe is discharged through condensate pump；Hot water enters absorber, absorber hot water outlet pipe and condensation by absorber hot water inlet pipe
Device hot water inlet pipe connection, hot water enter condenser after absorber heats and further heat, and the hot water after heating is through condensing
Device hot water outlet pipe output；Sewage or evaporation of seawater and the extraneous on-condensible gas leak into are extracted out by exhaust pipe through vacuum pump.
Above-mentioned technical proposal of the invention has following beneficial technical effect: using sewage vacuum vaporising device using suction
Receive agent for example: lithium bromide, calcium chloride directly absorb the low pressure water vapor that sewage evaporation comes out, and the low pressure water that sewage evaporation comes out is steamed
Vapour is absorbed in absorber and becomes a part of working medium and participate in the inside circulation of heat pump.Reduce in existing and technology
Need to exchange heat twice in treatment process and caused by thermal energy largely lose the generation of class problem.In addition, using the application seawater
Vacuum evaporator carries out desalt processing to seawater under the action of evaporation heater, prepares pure water.Whole process operation letter
Just, low in cost.And it can be by absorption heat pump principle recovery waste heat, to the utilization rate of the energy during evaporating heating
Height has achieved the purpose that save energy consumption.In addition, the low pressure water that sewage, seawater vacuum evaporator that the present invention uses evaporate
The absorber that steam enters absorption heat pump is brominated lithium, calcium chloride concentrated solution absorbs, and generates in absorption heat pump condenser
Water as refrigerant flows out heat pump unit, and the low pressure water vapor being evaporated from sewage or seawater becomes liquid phase by gas phase and releases condensation heat
It is this compared in the way of intermediary's water and sewage heat exchanger recycling sewage remaining energy as the low-temperature heat source of absorption heat pump
The absorption type heat pump structure of sewage remaining energy recycling is simple, has simple processing to act in sewage, has reached certain protection environment
Purpose.The system is simple and easy to sewage recovery waste heat mode, low in cost, is easy to marketing, practicability height.
Detailed description of the invention
Fig. 1 is a kind of sewage vacuum vaporising device and the absorption type heat pump structure signal of first embodiment according to the present invention
Figure；
Fig. 2 is a kind of seawater vacuum evaporator and the absorption type heat pump structure signal of second embodiment according to the present invention
Figure；
Fig. 3 is a kind of sewage vacuum vaporising device and absorption heat pump multilevel structure of third embodiment according to the present invention
Schematic diagram；
Fig. 4 is a kind of seawater vacuum evaporator and absorption heat pump multilevel structure of the 4th embodiment according to the present invention
Schematic diagram.
Appended drawing reference:
1: vacuum evaporator；1': vacuum evaporator；101: cold boiler；101': it is evaporated in vacuo dress device；102:
Evaporation heater；102': evaporation heater；103: hiding liquid plate；103': liquid plate is hidden；104 shut-off valves；105 draining pumps 106: water inlet
Pipe；106': water inlet pipe；107: drainpipe；107': drainpipe；2: absorber；2': absorber；3: spray thrower；3': spray thrower；
4: the first heat supply tube bundles；4': the first heat supply tube bundle；5: heat-exchanger rig；501: generator；502: condenser；503: the second heat supplies
Tube bundle；504: collection vessel；6: solution heat exchanger；7: exhaust tube；8: vacuum pump；9: solution pump；10: condenser pipe.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Schematic diagram of a layer structure according to an embodiment of the present invention is shown in the attached drawings.These figures are not drawn to scale
, wherein for purposes of clarity, some details are magnified, and some details may be omitted.It is shown in the drawings various
Region, the shape of layer and relative size, positional relationship between them are merely exemplary, in practice may be public due to manufacture
Difference or technical restriction and be deviated, and those skilled in the art may be additionally designed as required has not similar shape
Shape, size, the regions/layers of relative position.
Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are used for description purposes only,
It is not understood to indicate or imply relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Hereinafter reference will be made to the drawings, and the present invention will be described in more detail.In various figures, identical element is using similar attached
Icon is remembered to indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
Referring to Fig. 1, Fig. 1 is a kind of sewage vacuum vaporising device and absorption type heat of first embodiment according to the present invention
Pump configuration schematic diagram.
As shown in Figure 1, the first embodiment of the present invention provides a kind of sewage vacuum vaporising device, comprising: be evaporated in vacuo
Device 101 hides liquid plate 103, shut-off valve 104, draining pump 105, water inlet pipe 106 and drainpipe 107.
Wherein, cold boiler 101 are connected to external sewage；Liquid plate 103 is hidden, the cold boiler 101 is set to
Inside, and be located at below 101 delivery outlet of cold boiler, so that the low pressure water vapor is passed through and is exported.It needs to illustrate
, sewage is trade effluent or sanitary sewage but is not limited to above two sewage, since sewage temperature is higher, more than itself
Heat makes moisture that evaporation occur and becomes Low pressure steam.Gas Low pressure steam, sewage self-contained on-condensible gas and leak into
Body moves upwardly through the screening liquid plate 103 being disposed over, and the droplet carried in above-mentioned gas is made to hide the convergence of liquid plate 103,
Finally it is back to cold boiler bottom.
Referring to Fig. 2, Fig. 2 is a kind of seawater vacuum evaporator and absorption type heat of second embodiment according to the present invention
Pump configuration schematic diagram.
As shown in Fig. 2, the second embodiment of the present invention provides a kind of seawater vacuum evaporator, comprising: be evaporated in vacuo
Device 101, hides liquid plate 103, shut-off valve 104, draining pump 105, water inlet pipe 106 and drainpipe 107 at evaporation heater 102.
Wherein, cold boiler 101 are connected to external seawater；Evaporation heater 102 is set to the cold boiler
Inside 101, so that it is carried out high temperature evaporation to carry out heating to the seawater, form low pressure water vapor；Liquid plate 103 is hidden, is set to
The inside of the cold boiler 101, and be located at below 101 delivery outlet of cold boiler, so that the low pressure water vapor
It passes through and exports.It should be noted that fuel is ignited in evaporation heater 102, a large amount of thermal energy is discharged, to increase steaming
The temperature for sending out heater, enables the seawater of low temperature to evaporate, and forms Low pressure steam.Low pressure steam, seawater are self-contained
On-condensible gas and the gas leak into move upwardly through the screening liquid plate 103 being disposed over, and make to carry in above-mentioned gas small
Drop is hiding the convergence of liquid plate 103, is finally back to 101 bottom of cold boiler.Finally it is discharged by drainpipe 107.
In an alternative embodiment, wherein the vacuum evaporator further include: water inlet pipe 106 and drainpipe 107；Institute
The cold boiler 101 is arranged in water inlet pipe 106 bottom or side wall are stated, for inputting sewage or seawater；The drainpipe
107 are arranged in the side wall of the cold boiler 101 or bottom, for the sewage or seawater after evaporating and the small liquid after reflux
Drop discharge cold boiler 101.
Further, the vacuum evaporator further include: shut-off valve 104 and draining pump 105；The shut-off valve 104 is arranged
On water inlet pipe 106, enter the flow of the cold boiler 101 to control sewage or seawater；The setting of draining pump 105 exists
On the drainpipe 107, to control the sewage of the cold boiler 101 or the displacement of seawater.When sewage or seawater are true
When reaching predetermined water level in empty evaporator 101, be closed shut-off valve, make water quantity holding near predetermined water level or predetermined water level with
Under, to form evaporation by self heat to sewage or to the carry out heating evaporation of seawater, to form Low pressure steam.To
After a large amount of Low pressure steam, which passes through, hides liquid plate 103, and screening liquid plate 103 forms a large amount of recirculation waters, draining pump 105, discharge are opened
Sewage.Shut-off valve 104 is opened again, and sewage or seawater are supplemented into cold boiler 101, is looped back and forth like this.
According to another embodiment of the invention, a kind of absorption heat pump is provided, including described in any of the above embodiments true
Empty vaporising device, further includes: absorber 2, spray thrower 3, the first heat supply tube bundle 4, heat-exchanger rig 5 (generator 501, condenser
502, the second heat supply tube bundle 503, collection vessel 504) solution heat exchanger 6, exhaust tube 7, vacuum pump 8, solution pump 9 and cold
Solidifying pipe 10.
The present invention uses absorbent for example using sewage vacuum vaporising device: lithium bromide, calcium chloride directly absorb sewage steaming
The low pressure water vapor issued, the low pressure water vapor that sewage evaporation comes out are absorbed in absorber and become a part of working medium
And the inside circulation of heat pump is participated in, sewage or seawater after pervaporation are discharged by drainpipe through draining pump；From sewage or sea
The low pressure water vapor of water cold boiler contacts after entering absorber with the lithium bromide of spray thrower ejection or calcium chloride concentrated solution, inhales
The concentrated solution absorption low pressure water vapor received in device becomes weak solution, and the weak solution that absorber generates is through solution pump and solution heat exchange
Device enters generator, and the concentrated solution that generator generates enters absorber through solution pump and solution heat exchanger, from generator
Concentrated solution and weak solution from absorber exchange heat in solution heat exchanger；High temperature heat source enters generation through high temperature heat source input pipe
Device generates cryogen vapor to the weak solution heating in generator, and weak solution becomes concentrated solution, through high temperature after high temperature heat source heat release
The discharge of heat source discharge pipe；The cryogen vapor generated in generator, which enters, is condensed into condensed water in condenser, condensed water is by condensing
Waterpipe is discharged through condensate pump；Hot water enters absorber, absorber hot water outlet pipe and condensation by absorber hot water inlet pipe
Device hot water inlet pipe connection, hot water enter condenser after absorber heats and further heat, and the hot water after heating is through condensing
Device hot water outlet pipe output；Sewage evaporation and the extraneous on-condensible gas leak into are extracted out by exhaust pipe through vacuum pump.
Absorber 2, is connected to the cold boiler 101 and to be formed as one with the cold boiler 101 closed true
Cavity；The inside of the absorber 2 is arranged in spray thrower 3, and the solution and the low pressure water vapor of sprinkling carry out heat exchange,
Form dilute solution；First heat supply tube bundle 4, is arranged in the inside of the absorber 2, and is located at 3 lower section of spray thrower, with
Under the action of the dilute solution, the water inside the first heat supply tube bundle 4 is heated.Due to cold boiler 101 with
Absorber 2 is connected to, and the low pressure water vapor from sewage or seawater cold boiler 101 is directly entered after absorber and spray thrower 3
The solution of ejection contacts, and Low pressure steam sponges heat by the solution that spray thrower 3 sprays, and forms dilute solution.After heating
Solution is trickled down in the outside face of the first heat supply tube bundle 4, is conducted heat by tube wall, is exchanged with the heat of liquid in the first heat supply tube bundle 4,
It completes to heat the first time of liquid in the first heat supply tube bundle 4.Wherein, the solution sprayed in spray thrower 3 is concentrated solution, the solution
For the mixed solution of other substances and water, specifically, solution can be lithium bromide water solution or calcium chloride water, preferably bromine
Change lithium aqueous solution, but protection scope of the present invention is not limited to both solution.Liquid in first heat supply tube bundle 4 be water or other
Solution, but protection scope of the present invention is not limited to both liquid.
In an alternative embodiment, the absorption heat pump, further includes: heat-exchanger rig 5 is connected to the spray thrower 3,
To provide the solution of sprinkling for the spray thrower 3.The concentrated solution formed in generator 501 is under the driving of solution pump 9 through molten
Liquid heat exchanger 6 enters the spray thrower 3 in absorber.
In an alternative embodiment, the heat-exchanger rig 5 is connected to the absorber 2, the heat-exchanger rig 5 further include:
Generator 501 makes it form concentrated solution simultaneously after evaporation for heating to the dilute solution inputted by the absorber 2
It utilizes again.The dilute solution formed in absorber 2 enters generator through solution heat exchanger through the driving of solution pump.
In an alternative embodiment, the absorption heat pump, further includes: condenser pipe 10 is arranged in generator 501,
It is connected to external high temperature heat source.Specifically, condenser pipe 10 is arranged in generator 501 with the shape of coil pipe or tube bundle, when next
From when the dilute solution of absorber 2 reaches predetermined water level, the liquid in condenser pipe 10 is carried out by external high temperature heat source
Heating reaches when making a reservation for high temperature, is transmitted by the heat of tube wall, gradually rises the lower dilute solution temperature of temperature and added
Thermal concentration forms the cryogen vapor of concentrated solution and high temperature, and wherein cryogen vapor, which moves upwards, enters condenser 502, dense
Solution then pass through solution pump 9 be transported to after spray thrower is sprayed spilt dilution cooling, with the liquid shape in the first heat supply tube bundle 4
At heat exchange, dilute solution is formed, is looped back and forth like this.It should be noted that the liquid in condenser pipe 10 is water or other are molten
Liquid, but protection scope of the present invention is not limited to both liquid.
In an alternative embodiment, the heat-exchanger rig 5 is connected to 2 bottom of absorber or side wall.
In an alternative embodiment, the heat-exchanger rig further include: condenser 502 produces when for heating with dilute solution
Raw cryogen vapor carries out heat exchange, so that the water as refrigerant steam cooling forms condensed water；Second heat supply tube bundle 503, if
It sets inside the condenser 502, input terminal is connected to the first heat supply tube bundle 4；Collection vessel 504 is set to described second
503 lower section of heat supply tube bundle, for collecting the condensed water.When the cryogen vapor of the high temperature formed in generator 501 enters
After in condenser 502, the cryogen vapor of high temperature carries out liquidation exothermic reaction on 503 surface of the second heat supply tube bundle and forms condensed water, will
The heat released is transferred in the liquid in pipe by tube wall, is completed second and is heated, flow direction is external, to heat supply.Condensation
Water is assembled in the tube wall of the second heat supply tube bundle 503, low in collection vessel, and is discharged condenser 502.Since liquid is flowing
Heated for the first time when the first heat supply tube bundle 4 in absorber, then condenser second in tube bundle 503 by high temperature cryogen
Vapor is expelled directly out the loss for reducing heat to heat supply after adding for the second time, strengthens the recycling to sewage remaining energy.
Please refer to Fig. 3 Fig. 4, Fig. 3 is a kind of sewage vacuum vaporising device and the absorption of third embodiment according to the present invention
Formula heat pump multilevel structure schematic diagram；
Fig. 4 is a kind of seawater vacuum evaporator and absorption heat pump multilevel structure of the 4th embodiment according to the present invention
Schematic diagram.
As shown in figure 3, the vacuum evaporator 1 and the absorber 2 are respectively more in another alternative embodiment
It is a；The connection of vacuum evaporator 1 described in every two, the sewage transport for will be evaporated in a vacuum evaporator 1
To another the described vacuum evaporator 1 ' communicated therewith；The first heat supply tube bundle 4 inside absorber 2 described in every two
Connection, so that the water in the first heat supply tube bundle 4 of an absorber 2 heating is in first be input in another absorber 2 '
It is heated again after heat supply tube bundle 4 '.The embodiment of the present invention is primary by evaporating by the way that multiple vacuum evaporators 1 are arranged
Sewage transport carries out multistage evaporation, realizes to the depth recycling of sewage remaining energy, effectively benefit to another vacuum evaporator 1 '
With residual heat resources.Multiple absorbers 2 are arranged in same pass through, and allow the dilution heat release of concentrated solution gradually, step by step, are finally reached
In liquid in maximum the first heat supply of the cross-over value tube bundle 4 of its heat, to complete the effective use to waste heat.Meanwhile this
The multistage setting of invention is heated seawater gradually to form Low pressure steam, what when evaporation not only effectively utilized generated
Heat source, at the same desalting process at, also make preparation water purity it is higher.
In an alternative embodiment, the absorption heat pump a, wherein absorber 2 and another described suction
The spray thrower 3 ' received in device 2 ' connects, and in an absorber 2 dilute solution is input in another described absorber 2 '
The spray thrower 3 ' provides the solution of sprinkling for it.An absorber 2 will be sprayed onto from the high temperature concentrated solution of generator 501
The first interior heat supply tube bundle 4 completes heat exchange, and high temperature concentrated solution is by dilute cooling, then the spray thrower being delivered in another absorber 2 '
3 ' carry out identical operation, to complete the further heat exchange and dilution cooling to concentrated solution, make waste heat by efficient utilization.
In an alternative embodiment, the absorption heat pump, wherein the heat-exchanger rig 5 and one of them described suction
The spray thrower 3 received in device 2 is connected to, to provide the solution of sprinkling for the spray thrower 3；Another described absorber 2 ' is changed with described
Thermal 5 be connected to, with into the heat-exchanger rig 5 input dilute solution and by the generator 501 be evaporated to be formed it is dense
Solution.
In an alternative embodiment, the absorption heat pump, further includes: solution heat exchanger 6, respectively with the absorption
Device 2 and the heat-exchanger rig 5 connect, for respectively to the dilute solution and the outflow heat-exchanger rig 5 for flowing out the absorber 2
Concentrated solution carry out heat exchange.Concentrated solution from generator and the weak solution from absorber are changed in solution heat exchanger 6
Heat, weak solution temperature is lower, and concentrated solution temperature is higher；When weak solution and concentrated solution simultaneously flow through solution heat exchanger 6, low,
Heat exchange occurs for pyrosol.The latent heat of high temperature side is transferred to low temperature side simultaneously, and the concentration of high temperature side concentrated solution increases；Low temperature
The concentration of side weak solution reduces, and to realize the reduction of thermic load and refrigeration duty, and then improves the thermal efficiency, increases refrigerating capacity.
In an alternative embodiment, the absorption heat pump, further includes: multiple exhaust tubes 7 and multiple vacuum pumps 8；Often
A exhaust tube 7 is connected to the portion of each absorber 2；Each vacuum pump 8 is arranged in each exhaust tube 7
On, the on-condensible gas in the cold boiler 101 and in the absorber 2 is discharged；The quantity of the exhaust tube 7 and institute
The quantity for stating absorber 2 matches；The quantity of the vacuum pump 8 and the quantity of the absorber 2 match.When low pressure water is steamed
Gas, sewage or the self-contained on-condensible gas of seawater and the gas leak into move upwardly through the screening liquid plate being disposed over,
When into absorber, by starting vacuum pump 8, except gas decontaminated water self-contained on-condensible gas and leak into.
In an alternative embodiment, the absorption heat pump, further includes: multiple solution pumps 9, absorber described in every two
One solution pump 9 is set between 2, to provide driving force for the conveying of solution；The absorber 2 and the solution heat exchanger 6
Between be arranged a solution pump 9, to provide driving force for the solution in the absorber is delivered to the heat-exchange device 5；
One solution pump 9 is set between the heat-exchange device 5 and the solution heat exchanger 6, with for will be in the heat-exchange device 5
Solution be delivered to absorber 2 provide driving force.
The present invention is directed to protect a kind of sewage, seawater vacuum evaporator and absorption heat pump.It is evaporated using sewage vacuum
Device uses absorbent for example: lithium bromide or calcium chloride directly absorb the low pressure water vapor that sewage evaporation comes out, and sewage evaporation goes out
The low pressure water vapor come is absorbed in absorber 2 and becomes a part of working medium and participate in the inside circulation of heat pump.Reduce
Need to exchange heat twice during processing in existing and technology and caused by thermal energy largely lose the generation of class problem.In addition, can
Desalt processing is carried out to seawater under the action of evaporation heater using the application seawater vacuum evaporator, prepares pure water.
Whole process is easy to operate, low in cost.And evaporate heating during can by absorption heat pump principle recovery waste heat,
It is high to the utilization rate of the energy, achieve the purpose that save energy consumption.In addition, the sewage vacuum vaporising device that the present invention uses evaporates
Low pressure water vapor enter the absorber of absorption heat pump and be brominated lithium or calcium chloride concentrated solution and absorb, absorption heat pump condenser
The water as refrigerant of middle generation flows out heat pump unit, and the low pressure water vapor come out from sewage evaporation becomes liquid phase by gas phase and releases condensation heat
It is this compared in the way of intermediary's water and sewage heat exchanger recycling sewage remaining energy as the low-temperature heat source of absorption heat pump
The absorption type heat pump structure of sewage remaining energy recycling is simple, has simple processing to act in sewage, has reached certain protection environment
Purpose.The system is simple and easy to sewage recovery waste heat mode, low in cost, is easy to marketing, practicability height.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of sewage vacuum vaporising device characterized by comprising
Cold boiler (101), is connected to external sewage；
It hides liquid plate (103), is set to the inside of the cold boiler (101), and be located at the cold boiler (101) and export
Below mouthful, so that the low pressure water vapor is passed through and is exported.
2. a kind of seawater vacuum evaporator characterized by comprising
Cold boiler (101), is connected to external seawater；
Evaporation heater (102) is set in the cold boiler (101) portion, with to the seawater carry out heating make its into
Row high temperature evaporation forms low pressure water vapor；
It hides liquid plate (103), is set to the inside of the cold boiler, and be located above the evaporation heater (101), so that
The low pressure water vapor is passed through and is exported.
3. according to claim 1 or 2 described in any item vacuum evaporators (1), which is characterized in that the vacuum evaporator
It (1) include: shut-off valve (104) and draining pump (105)；
The shut-off valve (104) is arranged on water inlet pipe (106), enters the cold boiler to control sewage or seawater
(101) flow；
The draining pump (105) is arranged on drainpipe (107), to control the sewage or seawater of the cold boiler (101)
Displacement.
4. a kind of absorption heat pump, including the described in any item vacuum evaporators of claim 1-3, which is characterized in that also wrap
It includes:
Absorber (2), is connected to the cold boiler (101) and to be formed as one with the cold boiler (101) closed
Vacuum chamber；
Spray thrower (3), setting carry out caloic in the inside of the absorber (2), the solution and the low pressure water vapor of sprinkling
Exchange forms dilute solution；
First heat supply tube bundle (4) is arranged in the inside of the absorber (2), and is located at below the spray thrower (3), in institute
Under the action of stating dilute solution, to the first heat supply tube bundle (4), internal water is heated.
5. absorption heat pump according to claim 4, which is characterized in that further include:
Heat-exchanger rig (5) is connected to the spray thrower (3), to provide the solution of sprinkling for the spray thrower (3).
6. absorption heat pump according to claim 5, which is characterized in that the heat-exchanger rig (5) and the absorber connect
It is logical, the heat-exchanger rig (5) further include:
Generator (501) forms it after evaporation for heating to the dilute solution inputted by the absorber (2)
Concentrated solution simultaneously utilizes again.
7. absorption heat pump according to claim 6, which is characterized in that the heat-exchanger rig (5) further include:
Condenser (502), the cryogen vapor generated when for heating with dilute solution carries out heat exchange, so that the water as refrigerant
Steam cooling forms condensed water；
Second heat supply tube bundle (503), setting is internal in the condenser (502), and input terminal is connected to the first heat supply tube bundle；
Collection vessel (504) is set to below the second heat supply tube bundle (503), for collecting the condensed water.
8. absorption heat pump according to claim 4, which is characterized in that the vacuum evaporator (1) and the absorption
Device (2) is respectively multiple；
Vacuum evaporator described in every two (1) connection, the water for will evaporate in a vacuum evaporator (1) are defeated
It send to another the described vacuum evaporator (1) communicated therewith；
Internal the first heat supply tube bundle (4) connection of absorber described in every two (2), so that the of absorber heating
Water in one heat supply tube bundle (4) is added again after the first heat supply tube bundle (4 ') being input in another absorber (2 ')
Heat.
9. absorption heat pump according to claim 8, which is characterized in that absorber (2) and another described in
Spray thrower (3 ') connection in absorber (2 '), the dilute solution of (2) is input to another suction in an absorber
The spray thrower (3 ') provides the solution of sprinkling for it in receipts device (2 ').
10. absorption heat pump according to claim 9, which is characterized in that the heat-exchanger rig (5) and one of them described in
Spray thrower (3) connection in absorber (2), to provide the solution of sprinkling for the spray thrower (3)；Another described absorber
(2 ') are connected to the heat-exchanger rig (5), with the input dilute solution into the heat-exchanger rig (5) and pass through the generator
(501) it is evaporated to form concentrated solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015454.6A CN109708338A (en) | 2017-10-25 | 2017-10-25 | A kind of sewage, seawater vacuum evaporator and absorption heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015454.6A CN109708338A (en) | 2017-10-25 | 2017-10-25 | A kind of sewage, seawater vacuum evaporator and absorption heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109708338A true CN109708338A (en) | 2019-05-03 |
Family
ID=66252216
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711015454.6A Pending CN109708338A (en) | 2017-10-25 | 2017-10-25 | A kind of sewage, seawater vacuum evaporator and absorption heat pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN109708338A (en) |
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Application publication date: 20190503 |