CN208720729U - Heat pump air centralized processing type vermicelli drying device - Google Patents
Heat pump air centralized processing type vermicelli drying device Download PDFInfo
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- CN208720729U CN208720729U CN201821100384.4U CN201821100384U CN208720729U CN 208720729 U CN208720729 U CN 208720729U CN 201821100384 U CN201821100384 U CN 201821100384U CN 208720729 U CN208720729 U CN 208720729U
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Abstract
Heat pump air centralized processing type vermicelli drying device, including dry house and equipment room, the vermicelli pipeline for being used to hang and conveying vermicelli in left-right direction is equipped with inside dry house, air-supply air return system is equipped in dry house, heat pump system is equipped in equipment room, air-supply air return system includes the air supply duct at the top of dry house and the return air duct positioned at dry house bottom, air supply duct and return air duct are arranged along left and right horizontal direction, several air-supply air ports are offered on air supply duct, one end of air supply duct is pierced by dry house and extend into equipment room, heat-dissipating pipe is equipped in air supply duct, heat-dissipating pipe is connected with external heat source, exhaust fan is installed in dry house.The utility model has many advantages, such as simple and compact for structure, the original heat source investment of reduction, reduces cost, improves operation of heat pump efficiency, to the progress waste heat recycling of hydrofuge waste heat.
Description
Technical field
The utility model relates to heat pump drying equipment field, specially a kind of dry dress of heat pump air centralized processing type vermicelli
It sets.
Background technique
Currently known vermicelli drying equipment mainly provides heat using coal, natural gas, liquefied petroleum gas, biodiesel as fuel
Environment, existing fire coal are polluted since the flue dust that coal fuel combustion generates is rich in the pollutants such as a large amount of carbon monoxide, carbon dioxide in source
Type drying equipment is banned substantially, and burning natural gas, liquefied petroleum gas are largely used as alternative fuel in the dry field of vermicelli,
But the fuel costs such as natural gas, liquefied petroleum gas of burning are more coal-fired much higher, and drying cost is caused to sharply increase, and compression vermicelli dry
Dry enterprise profit space.
Currently, vermicelli heat pump drying mostly uses air source heat pump, the air being heated is sent into drying workshop, is changed with vermicelli
It is discharged directly in the form of exhaust gas after heat, but contains steam latent heat and high temperature sensible heat in exhaust gas, this results in the wave of mass energy
Take, and when environment temperature is lower, air source heat pump is influenced bigger by environment temperature, and efficiency is relatively low, is unfavorable for
National large-area applications.
It is well known that heat pump drying equipment is the special equipment of dry materials, heat pump provides heat supply for drying equipment,
Air-flow after heating is sent into drying workshop, the air-flow of high temperature drying takes away the steam in material, to reach dry
Dry purpose.As high temperature gas flow constantly takes away steam, the temperature of air-flow is gradually decreased, and humidity increases, the dehydration to material
Ability gradually decreases；The Hot wet air heating in a part of baking room is discharged after airflow humidity reaches setting humidity target, introduces ring
Dry air in border continues dehydration and drying process.Have at present and carries out waste heat time using the hydrofuge air of drying vermicelli
The heat-pump apparatus of receipts improves heat pump Energy Efficiency Ratio using a large amount of thermal energy in hydrofuge air, solve its cold district (such as
The Northeast, China) application.But because dry materials process is by season, ambient temperature effect, throughout the year in drying course
Heat demand difference it is larger, so when matching heat pump, for guarantee it is annual operate normally, can be carried out according to maximum heating load
Match, heat-pump apparatus apolegamy at this time can be very big, and the initial outlay of heat pump drying equipment is very big, is unfavorable for large-scale promotion of whole nation and answers
With.
Now propose a kind of heat pump air centralized processing type vermicelli drying device, it can be in original heat source (burning natural gas etc.)
On the basis of introduce heat-pump apparatus, waste heat recycling carried out to hydrofuge waste heat, it is dry that heat pump assists original conventional heat sources to carry out vermicelli, can
Original heat source investment is reduced to play, the effect of vermicelli drying cost is reduced, and initial outlay also greatly reduces, is suitable for
Project transformation and upgrade are carried out on the basis of original dry house.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide it is a kind of it is simple and compact for structure, reduce it is original
Heat source investment, the heat pump air centralized processing type vermicelli for improving heat pump overall operation efficiency, carrying out waste heat recycling to hydrofuge waste heat
Drying device, convenient for the upgrading of old equipment.
In order to solve the above technical problems, the utility model adopts the following technical solution:
Heat pump air centralized processing type vermicelli drying device, including dry house and equipment room, dry house inside, which is equipped with, to be used for
The vermicelli pipeline of vermicelli is hung and conveyed in left-right direction, air-supply air return system is equipped in dry house, is equipped with heat in equipment room
Pumping system；
Air-supply air return system includes the air supply duct at the top of dry house and the return air duct positioned at dry house bottom, is sent
Air piping and return air duct are arranged along left and right horizontal direction, several air-supply air ports, air supply duct are offered on air supply duct
One end be pierced by dry house and extend into equipment room, heat-dissipating pipe is equipped in air supply duct, heat-dissipating pipe is connected with external heat source, dries
Exhaust fan is installed, exhaust fan is between air supply duct and vermicelli pipeline and the air-out wind direction of exhaust fan direction is hung in dry
Face pipeline, return air duct are equipped with several outlet air air ports, and one end of return air duct is pierced by dry house and protrudes into equipment room；
Using the direction of air-flow as downstream direction, heat pump system is equipped with several groups, and each group heat pump system includes passing through refrigerant
Compressor, condenser, expansion valve and the evaporator that pipeline is connected by circulation, equipment room is interior to be equipped with heating room and waste heat recovery room, adds
Hot cell and waste heat recovery room are respectively equipped with air inlet and air outlet, and the air outlet and air supply duct for heating room protrude into the one of equipment room
End is connected, and the air inlet for heating room is connected with one end that return air duct protrudes into equipment room, heats returning for the air inlet of room
It is equipped with return air fan in air piping, breeze fan is equipped in the air supply duct of heat-dissipating pipe upstream, condenser setting is indoor in heating,
Evaporator is arranged in waste heat recovery room, and compressor and expansion valve are located in equipment room and compressor and expansion valve composition heat pump master
Machine protrudes on the return air duct of equipment room and is connected with hydrofuge air duct and fresh air duct in turn along airflow direction, waste heat recovery room
Air inlet is connected with hydrofuge air duct, and wet-emitting blower, waste heat recycling are equipped in the hydrofuge air duct of the air inlet of waste heat recovery room
The air outlet of room is connected with wind output channel, and wind output channel is communicated with atmosphere, and exhaust fan, each fresh air duct are equipped in wind output channel
One end is connected with return air duct, and the fresh air duct other end is connected with fresh-air fan.
It is equipped with the first cavity segment in each vaporizer upstream and the waste heat recovery room in downstream, is vertically swum in waste heat recovery room
Direction alternate intervals are equipped with N+1 the first cavity segments and N grades of evaporators, N are positive integer；The side in downstream is swum over to from above along air-flow
It is respectively first evaporator to N grades of evaporators to, N grades of evaporators.
The heating interior of each condenser upstream and downstream is equipped with the second cavity segment, and the indoor vertically roam all around the would of heating is to alternately
N+1 the second cavity segments and N grades of condensers are equipped at intervals with, swim over to the direction in downstream from above along air-flow, N grades of condensers are respectively the
First-stage condenser is to N grades of condensers.
The peripheral outer wall of each evaporator is connected on the inner wall of waste heat recovery room.
The peripheral outer wall of each condenser is connected on the inner wall of heating room.
The sum of series of condenser and evaporator in same heat pump system is N+1.
By adopting the above technical scheme, the utility model has the following beneficial effects:
(1) heat heating indoor in the utility model is the mixing air of fresh air and part return air, when fresh air volume is smaller
Or new air temperature it is higher when, the utility model is not influenced by extraneous fresh air condition, still heat can be more input to
In dry house.The technical solution without return air, only fresh air compared to heating heating indoor is compared, and the heat in return air can be utilized
Amount, reducing heating room needs heat to be offered.Certainly, compared to heating heating indoor without return air, the technical side of only fresh air
Case, the utility model be transformed on the basis of original vermicelli drying device get up it is just relatively slightly more complex, need return air and
Fresh air, which mixes, is passed through heating room.
(2) heating room is equipped in the equipment room of the utility model, return air duct is connected with the air inlet of heating room, return air
Pipeline is equipped with fresh air duct, and heating is indoor to be equipped with condenser, and each condenser is arranged in series on heating indoor circuit, is returned
By heating room behind the fresh air interflow entered in a part of damp and hot air-flow and fresh air duct in air piping, it is equipped in air supply duct
Heat-dissipating pipe, heat-dissipating pipe are connected with external heat source and are heated by external heat source, are drying compared to by heat-dissipating pipe setting
It is not provided with heating room in the top of interior vermicelli pipeline and equipment room not recycle damp-heat stream, damp and hot air-flow and fresh air
Condensers at different levels are passed sequentially through in heating interior, each condenser is distributed along airflow direction in tandem, and damp and hot air-flow and fresh air are mixed
First order condenser, second level condenser to N grades of condensers, the mixed airflow quilt of damp and hot air-flow and fresh air are passed sequentially through after conjunction
Stepped heating compares the mode that condensers at different levels are arranged in parallel along airflow direction, can obtain higher leaving air temp.Damp-heat
Stream and fresh air carry out reheating, the temperature that damp and hot air-flow and fresh air are heated after being again passed by heat-dissipating pipe after stepped heating
Height, drying efficiency is high, can quickly dry to the noodles in dry house, and a part of damp-heat streaming is fed air hose
It is recirculated in road, utilization efficiency is high, vapors away the steam in damp and hot air-flow in the short time, damp and hot air-flow and new wind energy are short
It is heated to very high temperature in time, dry house is then being entered by air supply duct, it is fast to meet vermicelli in dry house
The demand of speed drying；
(3) the utility model dries the vermicelli in dry house using external heat source, then in original external heat source
On the basis of introduce heat pump system, the wet air in dry house is subjected to hydrofuge and waste heat and is recycled, heat pump system with it is original
External heat source joint provide thermal energy vermicelli are dried, reduce the investment of original external heat source, reduce vermicelli baking
Dry cost carries out waste heat recycling to hydrofuge waste heat；
(4) air of recycling is heated in the heating room of the utility model, the air after heating by breeze fan into
Entering air supply duct, the heat of the air after being heated is directly used in drying vermicelli, do not change original heat-dissipating pipe in air supply duct,
Original external heat source is not changed, the heat-dissipating pipe for not influencing external heat source connection carries out heat dissipation drying, and equipment is simple, transformation letter
It is single, the operation of existing equipment is not influenced, is only used as heat source supplement, is very suitable for that existing drying equipment is carried out to upgrade to change
It makes, avoids directly eliminating old equipment and result in waste of resources；
(5) the condenser spacing side by side of each heat pump system of the utility model is set to heating interior, and return air fan makes
The air and fresh air of recycling pass sequentially through each condenser, to increase the air of recycling and the temperature of fresh air step by step, then by
The air and fresh air of the recycling of heating are sent into dry house by breeze fan, and Energy Efficiency Ratio is high；The evaporator of each heat pump system
Spacing side by side is set in waste heat recovery room, and wet-emitting blower makes humid air in hydrofuge air duct pass sequentially through each evaporator and produce
Raw condensed water, to reduce the temperature of humid air step by step, compared to level-one evaporator is only arranged, the utility model will be moist empty
Energy (sensible heat and latent heat) in gas utilizes more abundant, and the temperature of humid air is made to have obtained maximum reduction, and
It is liquid by the hydrogenesis in humid air, the evaporator of each heat pump system is absorbed and utilized this phase transformation and releases a large amount of vapour
Changing latent heat and temperature reduces the sensible heat released, and efficiently recycles the waste heat in humid air, simple and compact for structure, saves
The energy；
(6) in the utility model use process, heat pump system provides the part energy in vermicelli drying process, due to
The energy that heat pump system provides only accounts for a part of total amount of heat, and heat pump system can be made to keep continuing in the overall drying process
The technological temperature in dry house, the utility model structure are dried and controlled to operating, the heat source for still relying on heat-dissipating pipe connection
Simply, system is stable, control is easy；And since the humid air in dry house contains huge waste heat, humid air makes
The evaporator temperature of each heat pump system is higher, so that the running efficiency of heat pump system is very high, generates the feelings of same heat
For power consumption cost well below original energy consumption cost, energy-saving effect is good under condition, and is influenced by factors such as environment temperatures small；Compared to general
Logical heat pump system has more extensive adaptability, is particularly suitable for project reducing energy consumption upgrading；
(7) sum of series of the condenser in same heat pump system and evaporator is N+1, in each group heat pump system, evaporator
In evaporating pressure and condenser in condensing pressure difference it is the most balanced, the power of compressor in such each group heat pump system
(load) is average.Under conditions of overall power is certain, the power of multiple compressors is average, and whole energy consumption is lower.Cause
This, the sum of series of condenser and evaporator in same heat pump system is N+1, just reduces the energy of heat pump system on the whole
Consumption.
In conclusion there is the utility model simple and compact for structure, the original heat source of reduction to put into, reduce cost, improve heat
The way, to hydrofuge waste heat carry out waste heat recycling, convenient for the upgrading of old equipment the advantages that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical cross-section figure of dry house；
Fig. 3 is the schematic illustration of each heat pump system.
Specific embodiment
Arrow direction in Fig. 1-Fig. 3 is the flow direction of fluid at this.
As shown in Figure 1-3, the heat pump air centralized processing type vermicelli drying device of the utility model, including 1 He of dry house
Equipment room 10 is equipped with inside dry house 1 for hang and the vermicelli pipeline 24 of conveying vermicelli in left-right direction, in dry house 1
Equipped with air-supply air return system, heat pump system is equipped in equipment room 10；
Air-supply air return system includes the return air duct positioned at the air supply duct 3 at 1 top of dry house and positioned at 1 bottom of dry house
22, air supply duct 3 and return air duct 22 are arranged along left and right horizontal direction, several air-supply air ports are offered on air supply duct 3
2, one end of air supply duct 3 is pierced by dry house 1 and extend into equipment room 10, and heat-dissipating pipe 5 is equipped in air supply duct 3, and heat-dissipating pipe 5 connects
It is connected to external heat source and is heated by external heat source, exhaust fan 4 is installed in dry house 1, exhaust fan 4 is located at air supply duct 3
Between vermicelli pipeline 24 and the air-out wind direction of exhaust fan 4 is towards vermicelli pipeline 24, and return air duct 22 is equipped with several
Outlet air air port 21, one end of return air duct 22 are pierced by dry house 1 and protrude into equipment room 10；The utility model is suitable in old vermicelli
It is improved on the basis of drying equipment.The external heat source refers to the intrinsic heat source of old vermicelli drying equipment, such as burns
Heat source of natural gas etc..It can be the heat transfer mediums such as hot steam, conduction oil or hot water in heat-dissipating pipe 5, be that thermally conductive (heat transfer) is normal
With technology, specifically no longer it is described in detail.
Using the direction of air-flow as downstream direction, heat pump system is equipped with several groups, and heat pump system includes passing through refrigerant line
Compressor 25, condenser 7, expansion valve 26 and the evaporator 15 being connected by circulation, equipment room 10 is interior to be equipped with heating room 8 and waste heat recycling
Room 14, heats room 8 and waste heat recovery room 14 is respectively equipped with air inlet and air outlet, and the air outlet of heating room 8 is stretched with air supply duct 3
The one end for entering equipment room is connected, and the air inlet of heating room 8 is connected with one end that return air duct 22 protrudes into equipment room, heats room
It is equipped with return air fan 20 in the return air duct 22 of 8 air inlet, is equipped with breeze fan in the air supply duct 3 of 5 upstream of heat-dissipating pipe
6, the setting of condenser 7 is in heating room 8, and evaporator 15 is arranged in waste heat recovery room 14, and compressor 25 and expansion valve 26 are located at
In equipment room 10 and compressor 25 and expansion valve 26 constitute heat pump main frame 23, protrude on the return air duct 22 of equipment room 10 along air-flow
Direction is connected with hydrofuge air duct 17 and fresh air duct 19 in turn, and the air inlet of waste heat recovery room 14 is connected with hydrofuge air duct 17,
Wet-emitting blower 16 is equipped in the hydrofuge air duct 19 of the air inlet of waste heat recovery room 14, the air outlet of waste heat recovery room 14 is connected with
Wind output channel 12, wind output channel 12 are communicated with atmosphere, are equipped with exhaust fan 13 in wind output channel 12,19 one end of fresh air duct with return
Air piping 22 is connected, and 19 other end of fresh air duct is connected with fresh-air fan 18, and equipment room 10 is not the space of sealing, fresh air wind
Air in equipment room 10 is sent into return air duct 22 by machine 18, the air outside equipment room 10 from the non-tight of equipment room 10 (such as
Gap) enter equipment room 10；
The first cavity segment 11, waste heat are equipped in the waste heat recovery room 14 of 15 upstream and downstream of evaporator of each heat pump system
Vertically roam all around the would is equipped with N+1 the first cavity segments 11 to alternate intervals in recovery room 14 and N grades of evaporators 15, N are positive integer；Edge
Upstream and downstream direction, N grades of evaporators 15 are followed successively by first evaporator, second level evaporator to N grades of evaporators.Every grade of evaporator
Evaporator quantity be more than or equal to 1.
Be equipped with the second cavity segment 27 in the heating room 8 of each 7 upstream and downstream of condenser, heating room 8 vertically roam all around the would to
Alternate intervals are equipped with N+1 the second cavity segments 27 and N grades of condensers 7, swim over to the direction in downstream, N grades of condensers from above along air-flow
Respectively first order condenser is to N grades of condensers；The condenser quantity of every grade of condenser is more than or equal to 1.
The peripheral outer wall of each evaporator 15 is connected on the inner wall of waste heat recovery room 14；
The peripheral outer wall of each condenser 7 is connected on the inner wall of heating room 8；
The bottom of waste heat recovery room 14 is equipped with condensate drain pan, is connected with drainpipe, drainpipe extending equipment on condensate drain pan
Between (condensate drain pan and drainpipe are the prior art, not shown)；
Temperature sensor and humidity sensor are equipped in dry house 1, temperature sensor and humidity sensor are automatically controlled with one
Device is connected, and electric control gear can use PLC or single-chip microcontroller, and temperature sensor, humidity sensor and electric control gear are existing
There is technology, it is not shown；
Wherein, vermicelli pipeline 24, exhaust fan 4, all parts of heat pump system, breeze fan 6, exhaust fan 13, new
Wind blower 18, wet-emitting blower 16 and return air fan 20 etc. are the prior art, and specific structure is no longer described in detail.
The sum of series of condenser and evaporator in same heat pump system is N+1.That is: the series of first evaporator is 1,
The series of N grades of evaporators is N, and the series of first order condenser is 1, and the series of N grades of condensers is N.Same heat pump system
In, if evaporator therein is first evaporator, condenser therein is N grades of condensers.The advantages of being arranged in this way
Be: in each group heat pump system, the difference of the condensing pressure in evaporating pressure and condenser in evaporator is the most balanced, in this way
The power (load) of compressor is average in each group heat pump system.Under conditions of overall power is certain, multiple compressors
Power is average, and whole energy consumption is lower.Therefore, the sum of series of the condenser in same heat pump system and evaporator be N+1, just from
The energy consumption of heat pump system is reduced on the whole.
Its principle is: those skilled in the art know, for the refrigerant in compression-type refrigerating system, refrigerant
Pressure is higher, and temperature is also higher.
When air passes sequentially through first evaporator to N grades of evaporators by upstream toward downstream, gas flow temperature is gradually decreased.
Gas flow temperature highest at first evaporator, refrigerant pressure (i.e. evaporating pressure) in first evaporator also highest.N
Grade evaporator at gas flow temperature after multi-stage evaporator cools down its temperature it is minimum, the refrigerant pressure in N grades of evaporators
(i.e. evaporating pressure) is also minimum.
Similar reason, when air passes sequentially through first order condenser to N grades of condensers by upstream toward downstream, air-flow temperature
Degree gradually rises.Gas flow temperature at first order condenser is minimum, refrigerant pressure (the i.e. condensation pressure in first order condenser
Power) it is also minimum.Gas flow temperature at N grades of condensers its temperature highest after the heating of multi-stage condensing device, in N grades of condensers
Refrigerant pressure (i.e. condensing pressure) also highest.
Therefore, first evaporator and N grades of condensers belong to same heat pump system, it will be able to make highest evaporating pressure
It is corresponding with highest condensing pressure；Similarly, N grades of evaporators and first order condenser belong to same heat pump system, it will be able to
Keep minimum evaporating pressure corresponding with minimum condensing pressure.Similarly, N-1 grades of evaporators and second level condenser belong to together
One heat pump system, it will be able to keep secondary low evaporating pressure corresponding with secondary low condensing pressure.In this way, ensuring that multiple compressions
(compressor inlet connects evaporator, inlet pressure reactive evaporation pressure to the inlet and outlet of machine；Compressor outlet connects condenser, out
Mouthful pressure is condensing pressure) refrigerant pressure difference it is average, reduce the energy consumption of heat pump system on the whole.
The specifically used method of the utility model is as follows:
The utility model is suitable for noodle production line, and noodle production line is the mature prior art.
When noodle production line booting after, the utility model just started starting, vermicelli by vermicelli pipeline 24 just started into
Enter vermicelli in dry house 1 or in dry house 1 it is less when, the humidity in dry house 1 is smaller, do not need temporarily to carry out hydrofuge,
Each heat pump system does not start temporarily.
Fresh-air fan 18, breeze fan 6 and exhaust fan 4 start, the sky that fresh-air fan 18 will more be dried in equipment room 10
Gas (vermicelli generate vapor when drying, therefore the humidity in dry house 1 is higher than equipment room 10) is sent into air-supply by breeze fan 6
In pipeline 3, heat source heats the air in air supply duct 3 by heat-dissipating pipe 5, and the air in air supply duct 3 is through wind of blowing
Mouth 2 enters in dry house 1.
Exhaust fan 4 rotates, and the air after heating in air supply duct 3 is blowed to the bottom of dry house 1 and passed through and hung by exhaust fan 4
Face pipeline 24, after noodle production line steady operation, vermicelli enter dry house 1 successively, start to generate stable tide in dry house 1
Humid air successively opens each heat pump system at this time, and breeze fan 6, wet-emitting blower 16 and exhaust fan 13 start, exhaust fan 4
The air of relatively dry is blowed to the bottom of dry house 1, dry air carries out when by vermicelli pipeline 24 with vermicelli wet
Heat exchange becomes damp and hot distinguished and admirable, and wet air enters through outlet air air port 21 to be formed damp and hot distinguished and admirable in return air duct 22, is blowing
Under the collective effect of blower 6 and wet-emitting blower 16, a part of damp and hot distinguished and admirable fresh air being sent into fresh-air fan 18 is mixed, and is then led to
It crosses heating room 8 to be heated by each condenser 7, another part is damp and hot distinguished and admirable to pass sequentially through first evaporator, second level evaporator
And after N grades of evaporators under the action of exhaust fan 13 10 between device for transferring, in the process, heat pump system passes through compressor
25 operation, the expanded valve 26 of system refrigerant (i.e. refrigerant) in evaporator 15 evaporation endothermic step by step by damp and hot distinguished and admirable cooling,
It is damp and hot simultaneously it is distinguished and admirable in vapor be condensed into water, refrigerant suction in heat pump system it is damp and hot it is distinguished and admirable in it is most aobvious
Heat and latent heat.Equally under the action of compressor 25, refrigerant generates high pressure in condenser 7 and mutually becomes liquid from gaseous state,
It is discharged into the air-flow by condenser 7 from the heat of damp and hot distinguished and admirable middle absorption, it is heated, then by air-supply
The effect of blower 6 is sent into air supply duct 3.
Each heat pump system to vermicelli by carrying out the external heat source that waste heat carries out recycling and itself generates heat jointly
Drying, heat pump system generate same heat in the case where power consumption cost well below original energy consumption cost, energy-saving effect is good.
The utility model is influenced minimum by factors such as environment temperatures, has more wide applicability compared to common heat pump,
It is especially suitable for project reducing energy consumption upgrading.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (6)
1. heat pump air centralized processing type vermicelli drying device, it is characterised in that: including dry house and equipment room, inside dry house
Equipped with for hanging and conveying the vermicelli pipelines of vermicelli in left-right direction, air-supply air return system, equipment room are equipped in dry house
It is interior to be equipped with heat pump system；
Air-supply air return system includes the air supply duct at the top of dry house and the return air duct positioned at dry house bottom, air supply tube
Road and return air duct are arranged along left and right horizontal direction, offer several air-supply air ports along air supply duct, and the one of air supply duct
End is pierced by dry house and extend into equipment room, and heat-dissipating pipe is equipped in air supply duct, and heat-dissipating pipe is connected with external heat source, dry house
Exhaust fan is inside installed, exhaust fan is between air supply duct and vermicelli pipeline and the air-out wind direction of exhaust fan is defeated towards vermicelli
Line sending, return air duct are equipped with several outlet air air ports, and one end of return air duct is pierced by dry house and protrudes into equipment room；
Using the direction of air-flow as downstream direction, heat pump system is equipped with several groups, and each group heat pump system includes passing through refrigerant line
Compressor, condenser, expansion valve and the evaporator being connected by circulation, equipment room is interior to be equipped with heating room and waste heat recovery room, heats room
It is respectively equipped with air inlet and air outlet with waste heat recovery room, the air outlet for heating room protrudes into one end phase of equipment room with air supply duct
Connection, the air inlet for heating room are connected with one end that return air duct protrudes into equipment room, heat the backwind tube of the air inlet of room
It is equipped with return air fan in road, breeze fan is equipped in the air supply duct of heat-dissipating pipe upstream, condenser setting is indoor in heating, evaporation
Device is arranged in waste heat recovery room, and compressor and expansion valve are located in equipment room and compressor and expansion valve composition heat pump main frame,
It protrudes on the return air duct of equipment room and is connected with hydrofuge air duct and fresh air duct, the air inlet of waste heat recovery room in turn along airflow direction
Mouth is connected with hydrofuge air duct, and wet-emitting blower is equipped in the hydrofuge air duct of the air inlet of waste heat recovery room, waste heat recovery room
Air outlet is connected with wind output channel, and wind output channel is communicated with atmosphere, and exhaust fan, each fresh air duct one end are equipped in wind output channel
It is connected with return air duct, the fresh air duct other end is connected with fresh-air fan.
2. heat pump air centralized processing type vermicelli drying device according to claim 1, it is characterised in that: each evaporator
It is equipped with the first cavity segment in the waste heat recovery room of upstream and downstream, vertically roam all around the would to alternate intervals is equipped with N+ in waste heat recovery room
1 the first cavity segment and N grades of evaporators, N are positive integer；The direction in downstream is swum over to from above along air-flow, N grades of evaporators are respectively
Level-one evaporator is to N grades of evaporators.
3. heat pump air centralized processing type vermicelli drying device according to claim 2, it is characterised in that: each condenser
The heating interior of upstream and downstream is equipped with the second cavity segment, and the indoor vertically roam all around the would of heating is equipped with N+1 second to alternate intervals
Cavity segment and N grades of condensers, the direction in downstream is swum over to along air-flow from above, and N grades of condensers are respectively first order condenser to N grades
Condenser.
4. heat pump air centralized processing type vermicelli drying device according to claim 1, it is characterised in that: each evaporator
Peripheral outer wall be connected on the inner wall of waste heat recovery room.
5. heat pump air centralized processing type vermicelli drying device according to claim 1, it is characterised in that: each condenser
Peripheral outer wall be connected to heating room inner wall on.
6. heat pump air centralized processing type vermicelli drying device according to claim 3, it is characterised in that: same heat pump system
The sum of series of condenser and evaporator in system is N+1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100384.4U CN208720729U (en) | 2018-07-12 | 2018-07-12 | Heat pump air centralized processing type vermicelli drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108895808A (en) * | 2018-07-12 | 2018-11-27 | 河南佰衡节能科技股份有限公司 | Heat pump air centralized processing type vermicelli drying device |
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