CN207147194U - Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit - Google Patents
Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit Download PDFInfo
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- CN207147194U CN207147194U CN201721131803.6U CN201721131803U CN207147194U CN 207147194 U CN207147194 U CN 207147194U CN 201721131803 U CN201721131803 U CN 201721131803U CN 207147194 U CN207147194 U CN 207147194U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model is ultrahigh-temperature circulated air waste heat recovery dehumidifying unit,Include full-heat-exchange equipment,Its side is recircilated air intake,Full-heat-exchange equipment connects discharge pipe by discharging tube inlet,Discharge tube inlet is arranged at the top of full-heat-exchange equipment close to the position of recircilated air intake,Air heater is set on discharge pipe,In the offside of recircilated air intake, circulation cooling circuit is set,Circulation cooling circuit entrance is arranged on circulation cooling circuit outlet top,Condenser is set on circulation cooling circuit,The utility model in closed high temperature drying space for not having or having a small amount of firing equipment,Outer boundary maintains temperature in space,Heating facility is located at beyond space,The occasion of humidity in confined space need to be reduced,High temperature drying environment space domestic demand general ventilation ventilation could reduce the humidity in space,Circulation air by be cooled to dehumidified below dew-point temperature after send back in hot environment,With the stable effect in the range of a certain setting of relative humidity in the environment that reaches a high temperature.
Description
Technical field
It the utility model is related to a kind of ultrahigh-temperature circulated air waste heat recovery dehumidifying unit.
Background technology
To the system of high temperature drying(Or place), when being intended to contain more moisture in dry material(Hereinafter referred to as wet thing
Material), and when continuously distributing moisture into high temperature drying system, the humidity in high temperature drying system can be increased, wanted wet stock
Dried in high temperature drying system, the temperature, humidity and dry required time in its high temperature drying system determine material
Drying effect.
After the drying process of wet stock in a certain specific high temperature drying system determines, want in certain temperature, time
It is interior to obtain optimal drying effect, the humidity in high temperature drying system can only be reduced.
The product special to part, because of the needs of process system production, material need to be in more than 80 DEG C hot environment and one
By wet stock through drying, solidification in the fixed time(Such as spray drying system of part chemical products, automobile industry)Or sizing
Become the product needed for people.But wet stock can be constantly by water release to high temperature drying ring in drying, solidification or sizing
In border, being continuously increased for humidity in high temperature drying environment is caused, wet stock is prolonged in the time needed for drying, solidification or sizing
Long, production efficiency reduces, or even forms under certain operating mode the quality of product and do not reach people's expected effect.Therefore, it is wet
Material wants the effect for reaching desired product, can only constantly improve the temperature in high temperature drying environment or reduce high temperature drying
Relative humidity in environment, or extend the time needed for production.But wet stock is in high temperature drying ring needed for drying, solidification or sizing
The lifting of domestic temperature is limited by heating medium, and temperature should not improve unlimitedly;And wet stock is dry, solidifies or shapes
The extension of required time is limited by production efficiency, when the relative humidity in wet stock high ambient temperatures dry environment reaches one
It is that can not reach the drying, solid of wet stock only by extending wet stock residence time in high temperature drying environment during fixed degree
Ideal effect needed for change or sizing.Therefore, reduce in dry wet stock, solidification or high ambient temperatures dry environment needed for sizing
Relative humidity, it is that wet stock reduces high ambient temperatures dry environment temperature in drying, solidification or type-approval process, shortened needed for production
The key point of time.
At present, the country dehumidifies under high temperature drying environment, in terms of wet down, typically can only be in the hot environment below 60 DEG C
Air dehumidified or wet down, indivedual enterprises can dehumidify under the hot environment below 80 DEG C to relatively closed space
Or wet down.And constantly bring the high temperature place of moisture entrance into during drying higher than 80 DEG C, process system to environment temperature,
There is presently no preferable dehumidifying or the method for wet down.
Under normal pressure operating mode, when wet stock is dried in relatively closed high temperature drying environment, material sheet can be discharged
Moisture entrained by body so that the relative humidity increase in relatively closed high temperature drying environment, so that wet stock is dry, solidification
Or the time lengthening needed for the production process of sizing, when the relative humidity in relatively closed high temperature drying environment reaches certain journey
When spending, the production process that wet stock will be completed to dry, solidify or shape in relatively closed high temperature drying environment is extremely difficult
's.Therefore permit, it is necessary to which the relative humidity in relatively closed high temperature drying environment is maintained into dry wet stock, solidification or sizing
Perhaps in RH range.
Utility model content
The technical problem that the utility model solves is providing a kind of phase in reducing relatively closed high temperature drying environment
Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit to humidity, in the production process of wet stock drying, solidification or sizing, for drop
Relative humidity in low a certain high temperature drying environment, by the way of bidirectional flow Total heat exchange wind system general ventilation dehumidifying, with
The thermal loss being substantially reduced in dehumidification process, wet stock is set to be maintained at the RH range needed for production in the drying process
It is interior, suitable for not having in closed high temperature drying space or maintaining temperature in space, heating with a small amount of firing equipment, outer boundary
Facility is located at beyond space, need to reduce the occasion of humidity in confined space.
Technological means is as follows used by the utility model.
A kind of ultrahigh-temperature circulated air waste heat recovery dehumidifying unit, including full-heat-exchange equipment, its side enter for circulation air
Mouthful, the full-heat-exchange equipment connects discharge pipe by discharging tube inlet, and the discharge tube inlet is arranged at the top of full-heat-exchange equipment
Close to the position of recircilated air intake, air heater is set on the discharge pipe;In the offside of recircilated air intake, circulation is set
Cooling circuit, circulation cooling circuit entrance are arranged on circulation cooling circuit outlet top, condenser are set on circulation cooling circuit.
The circulation cooling circuit entrance is obliquely installed, and circulation cooling circuit porch forms circulated air and collects cell, follows
Ring wind is that just precooling zone, the condenser are arranged at circulation cooling circuit endpiece after collecting cell.
The longitudinal direction height of the condenser is more than the pipeline diameter of its precooling zone previous.
Condensate drain pan is provided with below the condenser.
It is described that pre-cooler just is set on precooling zone.
The overall dehumidifying unit is placed on crew base.
The overall dehumidifying unit outer surface sets heat insulation layer.
Had the beneficial effect that caused by the utility model.
1st, the utility model can fully reclaim the heat entrained by wind circulating system.
2nd, it is of the present utility model to automatically control degree height, and run easy to control.
3rd, according to the size of relative humidity in relatively closed high temperature drying environment, control, regulation air circulation, high temperature is done
Relative humidity control in dry environment is run in process system in more suitable scope.
4th, the temperature exported according to unit circulation air, the heating amount of heater is adjusted, the temperature that circulation air is exported
Control within the scope of the temperature maintained needed for relatively closed high temperature drying environment air-supply.
5th, unit is provided with pre-cooler, the work of pre-cooler after circulation air is cooled by full-heat-exchange equipment for the first time
With being that circulation air after being cooled to first time by full-heat-exchange equipment carries out pre- cooling processing, drop to its temperature and more manage
Condensation process in condenser is re-fed into after the state thought.The purpose of pre- cooling processing is to reduce area and the condenser institute of condenser
The cooling water inflow needed, while the heat recovery and utilization that pre-cooler is obtained.
6th, effective deflector, heat-exchange device etc., and circulation air system can be provided with the full-heat-exchange equipment in unit
The full-heat-exchange equipment of system heat conversion is carried out under negative pressure state, can effectively be prevented the generation of vortex in unit, be subtracted
The drag losses of few unit.Meanwhile can effectively ensure the uniformity of wind speed in each cross section of unit, improve heat exchanger effectiveness.
7th, the effect of condenser is to condense to circulation air below dew-point temperature, comes out the hydrogenesis contained by it,
To reach the purpose of dehumidifying.
8th, unit is provided with heat insulation layer, can effectively prevent the loss of heat, ensures the temperature control of unit outer surface
System is below 45 DEG C.
Brief description of the drawings
Fig. 1 is structure of the present utility model and loop direction schematic diagram.
Embodiment
The ultrahigh-temperature circulated air waste heat recovery dehumidifying unit of the utility model protection, including full-heat-exchange equipment 1, its side
For recircilated air intake 11, the full-heat-exchange equipment connects discharge pipe 3 by discharging tube inlet 12, and the outlet is arranged at full heat and handed over
The top of changing device 1 is close to the position of recircilated air intake.In the stage casing of discharge pipe 3, heater 31 is set.
Circulation cooling circuit 2 is included in the offside of recircilated air intake 11, the entrance 21 of the circulation cooling circuit is arranged on
The top of circulation cooling circuit outlet 22, and circulation cooling circuit entrance 21 is obliquely installed, and is formed at circulation cooling circuit entrance 21
Circulated air collects cell 23, and it is first precooling zone 24 afterwards that circulated air, which collects cell 23, and the endpiece of circulation cooling circuit 2 sets condensate
Condenser 25, the condensate drain pan 251 for collecting condensate is provided with below, condensing the longitudinal direction height of water condenser 25 can be more than just
The pipeline diameter of precooling zone 24, it can be circuit outlet to condense the outlet of water condenser 25.Pre- cold charge is installed on first precooling zone 24
Put.
Above-mentioned overall dehumidifying unit can be placed on crew base 4, and heat insulation layer can be set in unit entirety outer surface.
Effective deflector, heat-exchange device etc. can be also provided with full-heat-exchange equipment 1(Not shown in figure), and circulate empty
The full-heat-exchange equipment of gas system thermal conversion is carried out under negative pressure state, can effectively prevent the production of vortex in unit
It is raw, reduce the drag losses of unit.Meanwhile can effectively ensure the uniformity of wind speed in each cross section of unit, improve heat exchange
Efficiency.
Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit of the present utility model, is dropped using the air themperature under atmospheric pressure state
The characteristic that when as little as below dew-point temperature, the moisture included in air can condense out, air humidity declines, by hot environment
In air cooled, be cooled to below dew-point temperature, condense out included moisture, and the air for discharging moisture is added
Sent back to after heat in hot environment, it is stable in the range of a certain setting with relative humidity in the environment that reaches a high temperature.
Before circulation air is cooled by first precooling zone, circulation air first passes through full-heat-exchange equipment and fully discharged by high temperature
Entrained heat of high temperature in environment, to reach the purpose of energy-conservation.
The unit carrying out practically process is as follows.
a)Circulating current is in the presence of negative pressure(By being sent into unit by pipeline in wet stock high temperature drying device)By machine
Group recircilated air intake 11 enters in unit, the partial heat in circulating current is discharged by full-heat-exchange equipment, high temperature follows
The temperature of annular space gas is down to the t1 for collecting cell into circulated air by the th of porch(Th > t1), and enter in the presence of negative pressure
Enter pre-cooler.
b)In pre-cooler, the temperature of circulation air is down to t2 by t1(T1 > t2), and enter in the presence of negative pressure
In condenser.
c)Cooled again in condenser 25 into the circulation air in condenser 25, temperature is down to dew-point temperature by t2
Following tn(T2 > tn), the hydrogenesis for herein being included circulation air comes out, and is again introduced into the presence of negative pressure
In full-heat-exchange equipment 1, the circulating air temperature that now condenser 25 exports is tn.
d)Be reduced in condenser 25 below dew-point temperature circulation air enter full-heat-exchange equipment 1 after, absorb
The partial heat that high temperature circulation air is discharged, temperature rise to tr by tn(Tn < tr), and enter row in the presence of negative pressure
In the heater of outlet pipe.
e)After being heated into the circulation air in heater 31, temperature is heated to relatively close needed for wet stock drying by tr
Close in the range of the wind pushing temperature tc needed for high temperature drying environment(Tr < tc), and unit is sent out by circulation air outlet 32, and
By pipeline, external fan, it is sent into wet stock high temperature drying device.
Above-mentioned d)In, the circulation air water content after being dehumidified by condenser 25 is extremely low, is considered as dry air, its quilt
Send back in wet stock drying device and absorb the moisture that wet stock is discharged in high-temperature drying procedures.
Above-mentioned unit is under the control of monitoring system, according to temperature, humidity at unit inlet(Application 1)Or high temperature is done
Temperature, humidity in dry environment(Application 2)Situation of change, control unit outlet temperature, the size of humidity, to meet machine
Group is run in a certain constant temperature humidity range.
Above-mentioned application 1 is as follows:General ventilation ventilation is carried out to the air in high temperature drying environment.With relatively close
In the space, production or the running that close have moisture evaporation come out, heat or dry place in temperature need to maintain 70 DEG C
Above, there is no or has a small amount of heating in closed high temperature drying space(Or dry, dry)Equipment(Or facility), outer boundary dimension
Hold the temperature in closed high temperature drying environment space(Heating facility is located at beyond closed high temperature drying environment space), above divulge information
Ventilation, humidity in closed high temperature drying environment space need to be reduced(Moisture)Occasion.
Above-mentioned application 2 is as follows:Partial ventilation ventilation is carried out to the air in high temperature drying environment.With relatively close
In the space, production or the running that close have moisture evaporation come out, heat or dry place in temperature need to maintain 70 DEG C
Above, the heating maintained needed for temperature is set in closed high temperature drying space(Or dry, dry)Equipment(Or facility)(Heating is set
Arrange within closed high temperature drying environment space, not against the extraneous temperature maintained in closed high temperature drying environment space), portion
The ventilation of point air draught, humidity in closed environment space need to be reduced(Moisture)Occasion.
The utility model mainly for do not have in closed high temperature drying space or with a small amount of firing equipment, outer boundary tie up
Hold the temperature in closed high temperature drying environment space, heating facility is located at beyond closed high temperature drying environment space, it is close to reduce
Close humidity in high temperature drying environment space(Moisture)Occasion, the general ventilation of high temperature drying environment space domestic demand ventilation could reduce
Humidity in space, the heating amount of heater are relatively large.Because external fan is high-temperature blower, thus before heater air temperature
80 DEG C can be higher than, and heater 31 runs for negative pressure.
Because the temperature difference of the high temperature drying environment needed for each process system is larger, therefore ultrahigh-temperature of the present utility model circulates
Wind waste heat recovery dehumidifying unit is non-type product, and the circulated air of unit can be determined according to the temperature needed for process system, humidity
Amount, heating amount, recuperation of heat amount and moisture removal, i.e. basis are actually needed selection pre-cooler, condenser, heater, Total heat exchange
The appearance and size of device and casing, return air quantity is determined, and circulating fan is configured outside unit.
Claims (7)
- The unit 1. a kind of ultrahigh-temperature circulated air waste heat recovery dehumidifies, it is characterised in that including full-heat-exchange equipment(1), its side For recircilated air intake(11), the full-heat-exchange equipment(1)By discharging tube inlet(12)Connect discharge pipe(3), the discharge pipe Entrance(12)It is arranged at full-heat-exchange equipment(1)Top is close to the position of recircilated air intake, the discharge pipe(3)Upper setting air Heater(31);In recircilated air intake(11)Offside set circulation cooling circuit(2), circulation cooling circuit entrance(21)It is arranged on and follows Ring cooling circuit exports(22)Top, circulation cooling circuit(2)Upper setting condenser(25).
- The unit 2. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 1 dehumidifies, it is characterised in that the circulating cooling is returned Road entrance(21)It is obliquely installed, circulation cooling circuit entrance(21)Place forms circulated air and collects cell(23), circulated air collects small Room(23)It is first precooling zone afterwards(24), the condenser(25)It is arranged at circulation cooling circuit(2)Endpiece.
- The unit 3. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 2 dehumidifies, it is characterised in that the condenser(25) Longitudinal direction height be more than its precooling zone previous pipeline diameter.
- The unit 4. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 2 dehumidifies, it is characterised in that the condenser(25) Lower section is provided with condensate drain pan(251).
- The unit 5. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 2 dehumidifies, it is characterised in that the just precooling zone (24)Upper setting pre-cooler.
- The unit 6. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 2 dehumidifies, it is characterised in that the dehumidifying unit is whole Body is placed in crew base(4)On.
- The unit 7. ultrahigh-temperature circulated air waste heat recovery as claimed in claim 2 dehumidifies, it is characterised in that the dehumidifying unit is whole External surface sets heat insulation layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721131803.6U CN207147194U (en) | 2017-09-05 | 2017-09-05 | Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721131803.6U CN207147194U (en) | 2017-09-05 | 2017-09-05 | Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit |
Publications (1)
Publication Number | Publication Date |
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CN207147194U true CN207147194U (en) | 2018-03-27 |
Family
ID=61677597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721131803.6U Active CN207147194U (en) | 2017-09-05 | 2017-09-05 | Ultrahigh-temperature circulated air waste heat recovery dehumidifying unit |
Country Status (1)
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CN (1) | CN207147194U (en) |
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2017
- 2017-09-05 CN CN201721131803.6U patent/CN207147194U/en active Active
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