CN208269603U - A kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier - Google Patents
A kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier Download PDFInfo
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- CN208269603U CN208269603U CN201820750598.XU CN201820750598U CN208269603U CN 208269603 U CN208269603 U CN 208269603U CN 201820750598 U CN201820750598 U CN 201820750598U CN 208269603 U CN208269603 U CN 208269603U
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Abstract
The utility model discloses a kind of energy conserving systems using absorption heat pump driving enclosed low temperature band drier, the enclosed low temperature band drier includes material conveyor belt, heating circuit, cooling circuit and it is threaded through the material conveyor belt, air supply line between the heating circuit and the cooling circuit, the heating circuit and the cooling circuit are connected to the absorption heat pump, the absorption heat pump can receive at least part heat of the cooling circuit and be transmitted to the heating circuit, and the absorption heat pump is externally connected with high temperature heat source, the heat of the high temperature heat source is transmitted to the heating circuit by the absorption heat pump.The utility model, which can be realized, recycles cooling circuit heat, to reach energy-efficient purpose.
Description
Technical field
The utility model relates to dry materials technical fields, and in particular to a kind of to drive enclosed low temperature using absorption heat pump
The energy conserving system of band drier.
Background technique
Band drier is the general drying mode in dry field, divides medium temperature belt drying (dry according to drying temperature difference
Dry temperature>100 DEG C) and low temperature belt drying (drying temperature<80 DEG C) two ways, it can split (exhaust) according to drying mode
And enclosed (condensation).
For medium temperature band drier, the high-grades such as fuel oil, combustion gas, fire coal, steam, high-temperature-hot-water are generally used
For the energy as heat source, utilization efficiency of heat energy is low, usually evaporates 1 kg of water and needs to consume 1kw thermal power.
For low temperature band drier, generally use heat pump, low taste waste heat or high-grade heat source as heat source.
When using heat pump as heat source, usually evaporates 1 kg of water and need to consume 0.5kw.h to 0.25kw.h electricity, but need to configure
Higher electric load (evaporating 1 ton of water per hour usually needs distribution 300kw or more), or power-shortage area difficult for electric power increase-volume uses
Heat pump techniques are more difficult to be implemented；When using low-grade exhaust heat as heat source, 1 kg of water of every evaporation needs to consume 1kw thermal power, together
Shi Caiyong cooling water (temperature < 33 DEG C) carries out condensing units as cold source and discharges simultaneously, and 1 kg of water of every evaporation needs to consume
1.3 kilograms of cooling waters；When using high-grade heat source as heat source, high-grade thermal energy does not have a cascade utilization, energy consumption and its
His medium temperature belt drying or other drying machines are suitable.
As it can be seen that either medium temperature band drier or low temperature band drier, to not high, the energy of utilization of energy
It consumes larger.Based on this, it is necessary to be improved to band drier or its operational mode.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of utilization absorption heat pump driving enclosed low temperature belt
The energy conserving system of drying machine, the utilization for solving energy existing for band drier in the prior art is not high, and energy disappears
Consume larger problem.
For this purpose, embodiment according to the present utility model, the enclosed low temperature band drier includes material conveyor belt, heating
Circuit, cooling circuit and the air supply line being threaded through between the material conveyor belt, the heating circuit and the cooling circuit, institute
Heating circuit is stated for keeping the temperature in the air supply line, so that the moisture in the material is taken out of, to form hot steaming
Gas, the cooling circuit is for cooling down the heat steam, to form water droplet discharge.
Further, the heating circuit and the cooling circuit are connected to the absorption heat pump, the absorption
Formula heat pump can receive at least part heat of the cooling circuit and be transmitted to the heating circuit, and the absorption type heat
Pump is externally connected with high temperature heat source, and the heat of the high temperature heat source is transmitted to the heating circuit by the absorption heat pump.
As the further optinal plan of the energy conserving system, the absorption heat pump include sequentially connected evaporator,
Absorber, regenerator and condenser, the cooling circuit are extend into the evaporator, and the heating circuit runs through the absorption
Device and the condenser, the evaporator is interior to be equipped with refrigerant, and absorbent, the regenerator connection are provided in the absorber
In the high temperature heat source, the condenser is connected to the evaporator.
As the further optinal plan of the energy conserving system, it is provided with refrigerant tubing outside the evaporator, in institute
It states and is provided with first pump housing on refrigerant tubing.
Liquid is equipped with as the further optinal plan of the energy conserving system, between the absorber and the regenerator to hand over
Pipeline is changed, is provided with second pump housing and heat exchanger on the fluid exchange pipeline.
As the further optinal plan of the energy conserving system, the refrigerant is water, and the absorbent is that lithium bromide is dense
Solution.
As the further optinal plan of the energy conserving system, fuel oil, combustion gas, fire coal, steaming is may be selected in the high temperature heat source
At least one of vapour, pipe tobacco or high-temperature-hot-water.
As the further optinal plan of the energy conserving system, the heating circuit includes heater, the connection heating
Heat medium of the heating pipe and injection of device in the heating pipe.
As the further optinal plan of the energy conserving system, the cooling circuit includes cooler, the connection cooling
Cooling medium of the cooling pipe and injection of device in the cooling pipe.
As the further optinal plan of the energy conserving system, the path of the air supply line is equipped with blower.
As the further optinal plan of the energy conserving system, the enclosed low temperature band drier further includes cooling system
System, the cooling system are connected to the cooling pipe.
The utility model has the beneficial effects that
According to the energy conserving system in above embodiments, due to the heating circuit in enclosed low temperature band drier and cool back
Lu Douyu absorption heat pump is connected, so that absorption heat pump can absorb a part of heat in cooling circuit and be used to adding
Hot loop heats up, while along with the effect of high temperature heat source can be achieved that heating circuit is kept to be in required temperature level,
In the above process, heat a part of heating circuit derives from cooling circuit, realizes and recycles to cooling circuit heat,
To reach energy-efficient purpose.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows a kind of utilization absorption heat pump driving enclosed low temperature band according to provided by the utility model embodiment
The structural schematic diagram of the energy conserving system of formula drying machine.
Main element symbol description:
100- enclosed low temperature band drier；200- absorption heat pump；300- high temperature heat source；400- cooling system；110-
Material conveyor belt；120- heating circuit；130- cooling circuit；140- air supply line；210- evaporator；220- absorber；230-
Regenerator；240- condenser；250- refrigerant tubing；260- fluid exchange pipeline；121- heater；122- heating pipe；
131- cooler；132- cooling pipe；141- blower；First pump housing of 251-；Second pump housing of 261-；262- heat exchanger.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Embodiment
Present embodiments provide a kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier.
Referring to FIG. 1, above-mentioned enclosed low temperature band drier 100 includes material conveyor belt 110, heating circuit 120, cooling
Circuit 130 and the air supply line 140 being threaded through between material conveyor belt 110, heating circuit 120 and cooling circuit 130, heating circuit
120 for keeping the temperature in air supply line 140, so that the moisture in material is taken out of, to form heat steam, cooling circuit
130 for cooling down heat steam, to form water droplet discharge.
It is followed specifically, heating circuit 120, cooling circuit 130 and air supply line 140 are one to the drying process of material
The process of ring, wherein distinguished and admirable inside air supply line 140 remains at a higher temperature under the action of heating circuit 120
Level, at this time hot wind by inside air supply line 140 circulating can with the moisture in material carry out it is cold and hot exchange,
So that the moisture in material becomes hot steam, which becomes water droplet and enclosed low temperature band is discharged after touching cooling circuit 130
Except formula drying machine 100.
In above process, it is to be understood that for air supply line 140, since it is needed and the water in material
Point cold and hot exchange is carried out, then the temperature potential after exchange inside air supply line 140 there must be certain decline, at this time in order to maintain
Temperature inside air supply line 140, needs absorb heat from heating circuit 120, are eventually exhibited as the temperature of heating circuit 120
Degree has reduced trend；Likewise, hot steam, which needs to transfer heat to cooling circuit 130, can just become water droplet, finally
The temperature for showing as cooling circuit 130 has raised trend.In order to maintain the temperature of heating circuit 120 and cooling circuit 130,
Absorption heat pump 200 is also connected at the rear of enclosed low temperature band drier 100.
In the utility model embodiment, the heating circuit 120 and cooling circuit of enclosed low temperature band drier 100
130 are connected to absorption heat pump 200, and absorption heat pump 200 can receive at least part heat of cooling circuit 130 simultaneously
It is transmitted to heating circuit 120, and absorption heat pump 200 is externally connected with high temperature heat source 300, the heat of high temperature heat source 300 passes through suction
Receipts formula heat pump 200 is transmitted to heating circuit 120.
In this way, due in enclosed low temperature band drier 100 heating circuit 120 and cooling circuit 130 all with it is absorption
Heat pump 200 be connected, so that absorption heat pump 200 can at least absorb a part of heat in cooling circuit 130 be used to pair
Heating circuit 120 heats up, while along with the effect of high temperature heat source 300 can be achieved needed for keeping heating circuit 120 to be in
Temperature levels, in above process, heat a part of heating circuit 120 derive from cooling circuit 130, realize to cooling back
130 heat of road recycles, to reach energy-efficient purpose, can at least save 45% or more high temperature heat source according to statistics
300.Simultaneously as a part of heat in cooling circuit 130 has been passed to heating circuit 120, then will certainly make cold
But the temperature in circuit 130 at least reduces a part, and other a part are then completed by cooling system 400, as detailed below described.
Embodiment according to the present utility model is not construed as limiting the specific type of material, such as material can be medicinal material, vegetable
Dish or fruit etc..One layer, two layers or more layers can be set into material conveyor belt 110.In addition, to absorption heat pump 200
Type be also not particularly limited, such as absorption heat pump 200 can be direct-fired (fuel oil, combustion gas etc.) absorption heat pump,
Steam drive absorption heat pump, high-temperature-hot-water driving absorption heat pump or flue gas driving absorption heat pump etc..
With continued reference to FIG. 1, absorption heat pump 200 includes sequentially connected evaporation in the utility model embodiment
Device 210, absorber 220, regenerator 230 and condenser 240, cooling circuit 130 are extend into evaporator 210, heating circuit 120
It is equipped with refrigerant in absorber 220 and condenser 240, evaporator 210, is provided with absorbent, regenerator in absorber 220
230 are connected to high temperature heat source 300, and condenser 240 is connected to evaporator 210.
Specifically, since cooling circuit 130 absorbs the heat of hot steam, by the way that cooling circuit 130 is extend into steaming
It sends out in device 210, the refrigerant in evaporator 210 is absorbed by the above-mentioned heat of at least part, so that refrigerant is evaporated
At hot steam, it is then transmitted in absorber 220.And absorbent is equipped with inside absorber 220, which is generally dense molten
Liquid, which can be absorbed the hot steam as caused by refrigerant transported out of evaporator 210, so that absorbent quilt
Dilution, while heat entrained by hot steam is released, at this time predictably, since heating circuit 120 is to pass through absorption
Device 220, then the heat being released will carry out first time heating to heating circuit 120.Hereafter, the absorbent fortune being diluted
It is defeated to arrive in regenerator 230, since regenerator 230 is connection high temperature heat source 300, can be made by the effect of high temperature heat source 300
Absorbent after must being diluted evaporates a part of solvent and becomes concentrated solution again, then flows back into absorber 220, and at this time
Then there is the very high hot steam of more temperature in regenerator 230, which is then delivered in condenser 240, this
When again predictably, since heating circuit 120 is also by the condenser 240, then the heat of the hot steam will be added
Hot loop 120 is absorbed, and is heated up so that heating circuit 120 carries out second, and hot steam then becomes liquids recovery to evaporator
Become refrigerant in 210 again, then evaporator 210, absorber 220, regenerator 230 and the circulation of condenser 240 carry out above-mentioned
Movement, the final temperature for maintaining heating circuit 120.
It is understood that in above process, evaporator 210, absorber 220, regenerator 230 and condenser 240 it
Between be respectively connected with conveyance conduit, for the above-mentioned transmission or transport between them, which preferably uses heat-resisting material
It is made, while the conveyance conduit is not limited to hose or hard tube.
In addition, being additionally provided with refrigerant tubing 250 outside evaporator 210, first is provided on refrigerant tubing 250
The pump housing 251.First pump housing 251 is used for so that flowing of the refrigerant inside evaporator 210, so that the temperature of refrigerant maintains
In a reduced levels.
In addition, needing to carry out the exchange of liquid between them, such as will be dense for for absorber 220 and regenerator 230
Solution transports regenerator 230, and weak solution is transported absorber 220, in order to realize the movement, in absorber 220 and regeneration
It is equipped with fluid exchange pipeline 260 between device 230, second pump housing 261 and heat exchanger are provided on fluid exchange pipeline 260
262。
In some embodiments, water can be used in above-mentioned refrigerant, and lithium bromide concentrated solution can be used in absorbent.Certainly, may be used
With understanding, refrigerant and absorbent can also use other liquid any similar or with the same function.Meanwhile
Above-mentioned high temperature heat source 300 can choose at least one of fuel oil, combustion gas, fire coal, steam or high-temperature-hot-water.
So far, it can be realized by heating circuit 120 and cooling circuit 130 and the above-mentioned connection relationship of absorption heat pump 200
It is heated up to heating circuit 120 the temperature of heating circuit 120 is maintained maintenance level and at least reduces cooling circuit 130
A part of temperature.
In addition, it is necessary to it is emphasized that a part of heat due to cooling circuit 130 is passed to heating circuit 120,
So when being cooled down using cooling system 400 to cooling circuit 130, such as when cooling system 400 is using water cooling side
When formula, water used in water-cooling pattern can be largely reduced.According to statistics, 400 cooling water of cooling system can be saved to disappear
40% or more consumption.
With continued reference to FIG. 1, heating circuit 120 adds including heater 121, connection in the utility model embodiment
Heat medium of the heating pipe 122 and injection of hot device 121 in heating pipe 122.
In conjunction with described previously, heating pipe 122 runs through prior absorbent device 220 and condenser 240.
Water or other liquid with same or similar function can be used in heat medium.
Likewise, cooling circuit 130 includes cooler 131, connects the cooling pipe 132 of cooler 131 and be full of cold
But the cooling medium in pipeline 132.
In conjunction with described previously, cooling pipe 132 is extend into forgoing evaporators 210.
Water or other liquid with same or similar function can be used in cooling medium.
The path of air supply line 140 is equipped with blower 141, and the effect of the blower 141 is clearly in air supply line 140
It generates distinguished and admirable.
Above-mentioned heater 121 and cooler 131 can use fin-tube heat exchanger, and centrifugal blower can be used in blower 141,
Heater 121, cooler 131, blower 141 can be external or external.
Also to ensure that in heating pipe 122 and cooling pipe 132 medium flowing, in heating pipe 122 and cooling
Pump can also be set on pipeline 132, to provide power.
It connects described previously, in order to reduce another part temperature of cooling circuit 130, is also connected on cooling pipe 132
Cooling system 400.
Since the presence of the cooling system 400 can take away another heat in cooling circuit 130, finally to cool down
The temperature in circuit 130 is also maintained at a maintenance level.
In some embodiments, above-mentioned cooling system 400 can be water cooling, air cooling way and other cooling source modes.
Further, cooling system 400, which can also install descaling water treater, prevents cooling fouling.
Involved various pipelines can be used the materials such as stainless steel, copper and be made in the above description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier, the enclosed low temperature belt drying
Machine includes material conveyor belt, heating circuit, cooling circuit and is threaded through the material conveyor belt, the heating circuit and described cold
But the air supply line between circuit, the heating circuit is used to keep the temperature in the air supply line, to take the material out of
In moisture, to form heat steam, the cooling circuit is special to form water droplet discharge for cooling down the heat steam
Sign is that the heating circuit and the cooling circuit are connected to the absorption heat pump, and the absorption heat pump can
It receives at least part heat of the cooling circuit and is transmitted to the heating circuit, and the absorption heat pump is externally connected with
The heat of high temperature heat source, the high temperature heat source is transmitted to the heating circuit by the absorption heat pump.
2. energy conserving system as described in claim 1, which is characterized in that the absorption heat pump includes sequentially connected evaporation
Device, absorber, regenerator and condenser, the cooling circuit are extend into the evaporator, and the heating circuit is through described
Absorber and the condenser, the evaporator is interior to be equipped with refrigerant, is provided with absorbent, the regenerator in the absorber
It is connected to the high temperature heat source, the condenser is connected to the evaporator.
3. energy conserving system as claimed in claim 2, which is characterized in that it is provided with refrigerant tubing outside the evaporator,
First pump housing is provided on the refrigerant tubing.
4. energy conserving system as claimed in claim 2, which is characterized in that be equipped with liquid between the absorber and the regenerator
Pipeline is exchanged, is provided with second pump housing and heat exchanger on the fluid exchange pipeline.
5. energy conserving system as claimed in claim 2, which is characterized in that the refrigerant is water, and the absorbent is lithium bromide
Concentrated solution.
6. energy conserving system as claimed in claim 2, which is characterized in that the high temperature heat source may be selected fuel oil, combustion gas, fire coal,
At least one of steam, pipe tobacco or high-temperature-hot-water.
7. such as energy conserving system of any of claims 1-6, which is characterized in that the heating circuit include heater,
It connects the heating pipe of the heater and is full of the heat medium in the heating pipe.
8. such as energy conserving system of any of claims 1-6, which is characterized in that the cooling circuit include cooler,
It connects the cooling pipe of the cooler and is full of the cooling medium in the cooling pipe.
9. such as energy conserving system of any of claims 1-6, which is characterized in that the path of the air supply line is equipped with
Blower.
10. energy conserving system as claimed in claim 8, which is characterized in that the enclosed low temperature band drier further includes cooling
System, the cooling system are connected to the cooling pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820750598.XU CN208269603U (en) | 2018-05-17 | 2018-05-17 | A kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier |
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| CN201820750598.XU CN208269603U (en) | 2018-05-17 | 2018-05-17 | A kind of energy conserving system using absorption heat pump driving enclosed low temperature band drier |
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| CN208269603U true CN208269603U (en) | 2018-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592600A (en) * | 2018-05-17 | 2018-09-28 | 广州晟启能源设备有限公司 | A kind of energy conserving system driving enclosed low temperature band drier using absorption heat pump |
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2018
- 2018-05-17 CN CN201820750598.XU patent/CN208269603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592600A (en) * | 2018-05-17 | 2018-09-28 | 广州晟启能源设备有限公司 | A kind of energy conserving system driving enclosed low temperature band drier using absorption heat pump |
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