CN206333267U - A kind of heat pump noodle drying device utilized with backheat - Google Patents

A kind of heat pump noodle drying device utilized with backheat Download PDF

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Publication number
CN206333267U
CN206333267U CN201621360782.0U CN201621360782U CN206333267U CN 206333267 U CN206333267 U CN 206333267U CN 201621360782 U CN201621360782 U CN 201621360782U CN 206333267 U CN206333267 U CN 206333267U
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China
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air
heat pump
barn
vaporization chamber
vermicelli
Prior art date
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CN201621360782.0U
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Chinese (zh)
Inventor
程烨
李兴书
冯云鹏
杨德亮
李长彬
李童
来海燕
闫小广
冯常伟
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河南佰衡节能科技股份有限公司
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Priority to CN201621360782.0U priority Critical patent/CN206333267U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking

Abstract

The utility model discloses a kind of heat pump noodle drying device utilized with backheat, including barn, vaporization chamber and heat pump, vermicelli pipeline is provided with barn;Condenser in each heat pump is in barn and located at the top of vermicelli pipeline;Evaporator spacing side by side in heat pump is in the vaporization chamber, and one end of vaporization chamber is humidity discharging wind blast pipe and the other end is outlet air end, and the air-out end of vaporization chamber, which is connected with discharge pipe, discharge pipe and/or blast pipe, is provided with blower fan;Cavity segment is equipped between adjacent vaporization chamber, cavity segment is provided with air-valve, and the side wall of some cavity segments is also associated with blower fan;Ceiling fan is equipped between condenser and vermicelli pipeline;Humidity discharging air channel is provided with below vermicelli pipeline, humidity discharging air channel is connected with vaporization chamber;Barn side wall is provided with barn air inlet.The utility model backheat utilization rate is high, and Energy Efficiency Ratio is high, and the thermal efficiency is high, and simple in construction and compact, space-consuming is smaller, is transformed suitable for grassroot project and old barn.

Description

A kind of heat pump noodle drying device utilized with backheat
Technical field
The utility model is related to drying technology field, more particularly to a kind of vermicelli drying equipment.
Background technology
Currently known vermicelli drying equipment mainly provides thermal source, fuel combustion using coal, natural gas as fuel(Especially Coal)The flue dust of generation pollutes environment rich in pollutants such as a large amount of carbon monoxide, carbon dioxide.As country puts into effect various relevant Prohibit the policy of combustion, fuel type drying equipment will be banned gradually, and the heat pump drying technology of more energy-conserving and environment-protective progresses into vermicelli The field of drying.
At present, vermicelli heat pump drying uses air source heat pump, and it sends into heat in barn, and humidity discharging wind is directly with useless The form discharge of gas, or simple backheat utilization is carried out, Waste Heat Reuse rate is very low, and this results in the waste of mass energy, and When environment temperature is relatively low, air source heat pump is influenceed than larger by environment temperature, and Energy Efficiency Ratio is relatively low, is unfavorable for national big face Product application.
It is well known that heat pump drying equipment is a kind of special equipment of dry materials, heat pump provides heat for drying equipment Supply, the air of high temperature drying takes away the steam in material, so as to reach dry purpose.As high temperature gas flow is constantly taken away Steam, the gradually reduction of the temperature of air-flow, humidity increase, the water separation capability to material is gradually reduced;Therefore, when airflow humidity reaches Need to discharge the Hot wet air heating in a part of baking room after to setting humidity target, the dry air being introduced into environment proceeds Dehydrate process.Current heat-pump apparatus is limited by heat pump feature, and heat pump heating capacity and Energy Efficiency Ratio are equal in compared with low ambient temperature Than relatively low, it is limited in cold district(Such as the Northeast of China)Application.And dry materials process is not by season, environment temperature Degree influence, is required to that operation is dried throughout the year, so when matching heat pump, it is often necessary to according under low ambient temperature Thermic load is matched, and now heat-pump apparatus apolegamy can be very big, so not only adds the initial outlay of drying equipment, Er Qie The Energy Efficiency Ratio of heat pump drying equipment is relatively low under low ambient temperature, and power savings advantages significantly weaken, and when environment temperature is higher, heat The utilization rate of pumping unit is very low.
Currently known pump type heat vermicelli drying device simple in construction, more with heat pump heat exchanger(Condenser)Directly heat Air in barn is used as absorption thermal source, i.e., so-called surrounding air as dried medium using heat pump main frame ambient air Source heat pump.Even if the backheat for having humidity discharging wind is utilized, it is also to guide humidity discharging wind near heat pump main frame, carries out the evaporator of heat pump Single-stage disposable thermal is exchanged, and reclaims heat very limited.Moreover, waste-gas heat is reclaimed using single-stage evaporator, when the temperature of waste gas When higher, only by the cooling of flush distillation device, latent heat is difficult to be recovered in humid air, and most of heat is discharged, and is still made Into heat waste.
Utility model content
The purpose of this utility model is to provide a kind of pump type heat vermicelli drying device simple in construction, and structure is relatively simple With it is compact, be adapted to grassroot project and the transformation of old barn, cost is relatively low, and Energy Efficiency Ratio is higher.
To achieve the above object, a kind of heat pump noodle drying device utilized with backheat of the present utility model is including roasting Room, vaporization chamber and heat pump, it is characterised in that:The vermicelli pipeline for being used for hanging and convey vermicelli is provided with inside barn, is hung Face pipeline passes through the barn;
Heat pump includes compressor, expansion valve, evaporator and the condenser that connection is circulated by refrigerant line, heat pump System provided with two sets and more than;Condenser in each heat pump in barn and along vermicelli pipeline length direction simultaneously Row interval is located at the top of the vermicelli pipeline;The equal spacing side by side of evaporator in each heat pump is located at the vaporization chamber Interior, one end of vaporization chamber is humidity discharging wind blast pipe and the other end is outlet air end, and the air-out end of vaporization chamber is connected with discharge pipe;
An air-out direction is equipped between each condenser and vermicelli pipeline towards the fan of vermicelli pipeline;Vermicelli are defeated It is provided with humidity discharging air channel, humidity discharging air channel and is spaced apart along the length direction of vermicelli pipeline provided with row along its length below line sending Damp air port, humidity discharging air channel is stretched out barn and is connected with the air intake airduct of the vaporization chamber;Barn side wall is provided with and outside air Exhaust fan is provided with the barn air inlet communicated, discharge pipe and/or humidity discharging air channel.
Using airflow direction to be preceding to the vaporization chamber at each evaporator rear and front is equipped with cavity segment;With the direction of air-flow To be preceding to the vaporization chamber is interval with N number of evaporator and N+1 described cavity segments from front to back, and N is natural number;By A-P, the cavity segment of forefront is first cavity segment, and second is followed successively by backward to n-th cavity segment;From from front to back 3rd cavity segment starts, the 3rd cavity segment with and subsequent the side walls of cavity segment of all odd bits be respectively connected with startup wind Machine, each air inlet for starting blower fan is equipped with connection and starts blower fan and the first air-valve of cavity segment;From second from front to back Cavity segment starts, second cavity segment with and subsequent the cavity segment of all even bits on be equipped with connection cavity segment and air Second air-valve.
The sensor for being used for monitoring humiture is provided with barn;The bottom of the vaporization chamber is connected with condensate integrate draining Pipe.
Inwall of the peripheral outer wall of each evaporator with vaporization chamber connects into closed cavity.
The utility model has the following advantages:
In the utility model, the evaporator spacing side by side of multilevel heat pump system is arranged in vaporization chamber, so as to be arranged in series In on the wind path of hot blast, under barn drying system steady-working state, make the humidity discharging wind in humidity discharging air channel step by step by different levels Evaporator, so that the temperature of reduction moisture regain wind step by step, allows to cool to saturation state and condense into water, humidity discharging wind realizes that low temperature is arranged Put.The sensible heat and vapour latent heat in humidity discharging wind are absorbed to greatest extent by evaporator with heat pump in the process.Meanwhile, by Stablize relatively in the humiture of humidity discharging wind, do not influenceed by external environment Four seasons change, improve the COP of heat pump, it is ensured that Heat pump efficient stable works, and realizes the efficient backheat utilization of drying system, the work of heat pump efficient stable, saves the energy, protect Retaining ring border.
When vermicelli barn drying system just brings into operation, there is no hydrofuge wind now, heat pump can only be by absorbing its week The heat for enclosing surrounding air is started, and carries out barn heating preheating.But, if always according to heat pump multi-stage evaporator wind path Tandem working, it will form evaporimeter frosting --- air quantity reduction --- heat pump system efficiency decline --- frosting again --- air quantity Reduce again --- in the vicious circle that efficiency declines again, until heat pump can not work.
The utility model employs the method set up and start blower fan and air-valve, is equipped with conjunction to break above-mentioned vicious circle The electrical control program of reason, can make heat pump complete the startup task of vermicelli barn drying system well.In barn temperature When degree rises to sets target value, wet vermicelli start into room, and when reaching setting position, vermicelli barn drying system opens row Wet, then heat pump is automatically stopped start-up mode, while being transferred to normal drying mode.
The start-up mode of heat pump is as follows:After start, whole air-valves are first turned on, are then turned on starting blower fan, air draft Blower fan and heat pump, surrounding air enter evaporator room along air-valve, distinguish under the driving of blower fan only after one-level evaporator Discharge, for wind path, evaporator is in parallel connection, improves the operating mode of evaporator, and it is too low to prevent evaporating temperature, makes heat Pumping system smoothly completes startup work.
Current heat-pump apparatus is limited by heat pump feature, and heat pump heating capacity and Energy Efficiency Ratio compare in compared with low ambient temperature It is low, it is limited in cold district(Such as the Northeast of China)Application.The utility model uses ring only in initial start The higher hydrofuge wind of temperature in use, therefore when normally running, environment temperature is to this practicality always in border gas, normal course of operation The operational efficiency influence very little of new middle heat pump, makes the utility model be provided with widely compared to normal heat pump Adaptability, can still keep higher Energy Efficiency Ratio, with extensive environmental suitability in more cold area.
Heat pump mode of heating of the present utility model is more direct, and structure is simpler, the bar met in barn locus It is applicable very much under part, be particularly suitable for use in grassroot project.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the principle schematic of heat pump in the utility model.
Embodiment
Direction shown in arrow is the direction of air-flow at this in Fig. 1;Direction shown in arrow is the flowing of refrigerant at this in Fig. 2 Direction.
As depicted in figs. 1 and 2, the utility model pump type heat vermicelli drying device includes barn 1, evaporator room 2 and Fig. 2 institutes The heat pump shown, the bottom of barn 1 is provided with the vermicelli pipeline 3 for being used for hanging and convey vermicelli, and vermicelli pipeline 3 is by described Barn 1.
As Fig. 2 heat pumps include circulating the compressor 14 connected, expansion valve 15, evaporator 16 by refrigerant line 18 With condenser 17, heat pump provided with two sets and more than;Condenser 17 in heat pumps at different levels is in barn 1 and along extension The length direction spacing side by side of face pipeline 3 is located at the top of the vermicelli pipeline 3;Evaporator 16 in each heat pump is equal Spacing side by side is in the vaporization chamber 2, and one end of vaporization chamber 2 is air intake and the other end is outlet air end, the air-out of vaporization chamber 2 End is connected with discharge pipe 4.
Each condenser 17 is equipped with ceiling fan 6, and the handle that hangs of ceiling fan 6 is upward through condenser 17 and is connected on the roof of barn 1; The lower section of barn 1 is provided with humidity discharging air channel 7, humidity discharging air channel 7 and opened up along the length direction interval of vermicelli pipeline 3 along its length There is humidity discharging air port 8, humidity discharging air channel 7 is stretched out barn 1 and is connected with the air intake of the vaporization chamber 2;The roof of barn 1 or side wall are set There is the barn air inlet communicated with outside air.Discharge pipe 4 and/or it is interior be provided with exhaust fan 5;Air inlet is set on building For routine techniques, the not shown barn air inlet.
Using airflow direction before to being equipped with cavity segment 9 before and after evaporators 16 at different levels;The vaporization chamber 2 from front to back between Every provided with N number of evaporator 16 and N+1 described cavity segments 9, N is natural number;From front to back, the cavity segment 9 of forefront is First cavity segment 9, is followed successively by second to n-th cavity segment 9 backward;Since the 3rd cavity segment 9 from front to back, the Three cavity segments 9 with and subsequent the side walls of cavity segment 9 of all odd bits be mounted on a startup blower fan 10 and connection starts Blower fan and the first air-valve of cavity segment 11, in addition to most preceding and last cavity segment 9, the two side of each cavity segment 9 is mounted on connection sky Second air-valve 12 of chamber section and air.
The sensor for being used for monitoring wind-warm syndrome and humidity is provided with barn, sensor is connected with electric control gear, electric control gear PLC or single-chip microcomputer can be used, temperature sensor is prior art with electric control gear, not shown.
The bottom of the vaporization chamber 2 is provided with condensate integrate draining pipe 13.It can be by Hot wet air heating in work(Hydrofuge Wind)The condensed water discharge condensed at evaporator 16.
Inwall of the peripheral outer wall of each evaporator 16 with vaporization chamber 2 is connected, so as to prevent air-flow around pervaporation Device 16.
Wherein, vermicelli pipeline 3, ceiling fan 6, each part of heat pump, start blower fan 5 and exhaust fan 10 etc. be it is existing Technology, concrete structure is no longer described in detail.
The start-up mode of heat pump is as follows:The first air-valve 11 and each second air-valve 12 are first opened, air draft wind is then opened Machine 5 and startup blower fan 10, then each fan 6 is opened, and according to the heat pump of real work load opening respective numbers;Now, Outside air at every one second air-valve 12 is inhaled into cavity segment 9 by the second air-valve 12, the gas formed in air-flow, cavity segment 9 Flow to both sides flowing and respectively by an evaporator 16 after, then discharged by starting blower fan 10 or exhaust fan 5;Thermo-compression evaporation Device absorbs heat in outside air, via the coolant transmission of heat pump to condenser 17, is brushed in the air-flow of condenser fan Under, heat makes the air of barn be heated and form hot blast, and hot blast is in the presence of the downward blast of ceiling fan 6, and formation flows downward Hot blast blow to vermicelli pipeline 3.Heat pump absorbs heat transfer in outside air in barn 1 during this, makes to bake Room 1 is warming up to design temperature.
Later stage startup stage, wet vermicelli initially enter barn 1, and hot blast is carried out to the vermicelli being suspended on vermicelli pipeline 3 Heating, drying, the moisture that vermicelli are evaporated, when the humiture in barn 1 reaches setting value, closes air-valve 11, the and of air-valve 12 Start blower fan 10, under the suction function of barn wet-emitting blower and exhaust fan 5, the humid air in barn 1 enters through humidity discharging mouthful 8 To enter formed hydrofuge in humidity discharging air channel 7 distinguished and admirable, and enter evaporator room 2.Now, the start-up mode of heat pump terminates, and enters simultaneously Enter normal mode of operation.
Normal mode of operation is as follows:In barn, while 1 hydrofuge of barn, the outside air of low temperature drying is entered by barn Air port covers barn 1, and the hot blast spread out of by the condenser 17 of heat pump constantly provides heat for barn 1, makes the temperature in barn 1 Humidity maintains the setting value of stoving process requirement.Hot blast forms the hot blast flowed downward in the presence of the downward blast of ceiling fan 6 Blow to the vermicelli being suspended on vermicelli pipeline 3, vermicelli are constantly heated while the moisture that is evaporated, in barn wet-emitting blower Under the swabbing action of exhaust fan 5, damp-heat air is distinguished and admirable into formation hydrofuge in humidity discharging air channel 7 via humidity discharging mouthful 8, and enters Evaporator room 2, at the same time, extraneous low temperature dry air cover barn 1 via barn air inlet.In vaporization chamber 2, hydrofuge wind Step by step by being drained into after evaporator 16 by exhaust fan 5 in environment, in the process, the fortune that heat pump passes through compressor 14 OK, evaporation endothermic is step by step by humidity discharging air cooling-down in evaporator 16 for the expanded valve 15 of system refrigerant, while water vapour is condensed Cheng Shui, heat pump absorbs most sensible heat and latent heat in hydrofuge wind.Equally in the presence of compressor 14, refrigerant is cold High pressure is produced in condenser 17 and mutually becomes liquid by gaseous state, and the heat that it absorbs from hydrofuge wind is discharged into by condenser 17 In barn 1.Heat pump maintains the stable operation of vermicelli drying system by Waste Heat Recovery and the heat itself produced.
According to outside ambient air humiture situation under the conditions of different weather, in line with the principle of heat pump efficient energy-saving, The utility model can also only carry out normal drying operation in the startup mode.
There is no each device in chemical burning process, the utility model in the utility model running, either heat pump System(Compressor 14), fan 6 or exhaust fan 5 and start blower fan 10, be that by driven by power, therefore the utility model is transported Do not polluted the environment during row.
The utility model uses heat pump as thermal source, can be absorbed heat by evaporator 16 or backheat is utilized, by cold Condenser 17 transfers heat to dried medium and the vermicelli in barn 1 is dried, compared to the side of coal-fired or gas heating air Formula, more energy-conserving and environment-protective;Compared to common heat pump, fully UTILIZATION OF VESIDUAL HEAT IN can be carried out to the energy of used heat, greatly improved The efficiency of heat pump, reaches the purpose for saving the energy.
The utility model has farthest reclaimed the used heat having in hydrofuge wind(Heat), improve at evaporator 16 Operating mode, improve the Energy Efficiency Ratio of heat pump, with fairly obvious energy-saving effect, reduce making for heat pump Use cost.
Fresh air reduces the humidity in barn 1, using the utility model, can dry extension rapidly by the fresh air after heating Face, while heat pump very energy-conservation, makes the utility model have the rapid function of drying vermicelli concurrently and energy-saving, free of contamination Advantage, with good popularizing application prospect.
Above example is only used to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair The utility model is described in detail, it will be understood by those within the art that:The utility model can still be entered Row modification or equivalent, without departing from any modification or partial replacement of spirit and scope of the present utility model, it all should Cover among right of the present utility model.

Claims (4)

1. a kind of heat pump noodle drying device utilized with backheat, including barn, vaporization chamber and heat pump, its feature exist In:The vermicelli pipeline for being used for hanging and convey vermicelli is provided with inside barn, vermicelli pipeline passes through the barn;
Heat pump includes compressor, expansion valve, evaporator and the condenser that connection is circulated by refrigerant line, heat pump Provided with two sets and more than;Condenser in each heat pump in barn and along vermicelli pipeline length direction side by side between Every the top located at the vermicelli pipeline;The equal spacing side by side of evaporator in each heat pump steams in the vaporization chamber The one end for sending out room is humidity discharging wind blast pipe and the other end is outlet air end, and the air-out end of vaporization chamber is connected with discharge pipe;
An air-out direction is equipped between each condenser and vermicelli pipeline towards the fan of vermicelli pipeline;Vermicelli pipeline Lower section is provided with humidity discharging air channel, humidity discharging air channel to be spaced apart along the length direction of vermicelli pipeline along its length is provided with humidity discharging wind Mouthful, humidity discharging air channel is stretched out barn and is connected with the air intake airduct of the vaporization chamber;Barn side wall is provided with and communicated with outside air Barn air inlet, exhaust fan is provided with discharge pipe and/or humidity discharging air channel.
2. a kind of heat pump noodle drying device utilized with backheat according to claim 1, it is characterised in that:
Using airflow direction to be preceding to the vaporization chamber at each evaporator rear and front is equipped with cavity segment;Direction using air-flow is before To the vaporization chamber is interval with N number of evaporator and N+1 described cavity segments from front to back, and N is natural number;By it is preceding extremely Afterwards, the cavity segment of forefront is first cavity segment, and second is followed successively by backward to n-th cavity segment;From the from front to back the 3rd Individual cavity segment starts, the 3rd cavity segment with and subsequent the side walls of cavity segment of all odd bits be respectively connected with startup blower fan, Each air inlet for starting blower fan is equipped with connection and starts blower fan and the first air-valve of cavity segment;From second cavity from front to back Section start, second cavity segment with and subsequent the cavity segment of all even bits on be equipped with connection cavity segment and air second Air-valve.
3. a kind of heat pump noodle drying device utilized with backheat according to claim 1, it is characterised in that:
The sensor for being used for monitoring humiture is provided with barn;The bottom of the vaporization chamber is connected with condensate integrate draining pipe.
4. a kind of heat pump noodle drying device utilized with backheat according to claim 1, it is characterised in that:It is described each The peripheral outer wall of evaporator connects into closed cavity with the inwall of vaporization chamber.
CN201621360782.0U 2016-12-13 2016-12-13 A kind of heat pump noodle drying device utilized with backheat CN206333267U (en)

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Application Number Priority Date Filing Date Title
CN201621360782.0U CN206333267U (en) 2016-12-13 2016-12-13 A kind of heat pump noodle drying device utilized with backheat

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Application Number Priority Date Filing Date Title
CN201621360782.0U CN206333267U (en) 2016-12-13 2016-12-13 A kind of heat pump noodle drying device utilized with backheat

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108144818A (en) * 2018-01-29 2018-06-12 同济大学 A kind of lithium battery gravure coater drying system using multiple heat pump
CN108489144A (en) * 2018-01-29 2018-09-04 同济大学 A kind of drying system using overlapping multiple heat pump
CN108507340A (en) * 2018-01-29 2018-09-07 同济大学 A kind of open type drying tunnel using multiple heat pump
CN108855819A (en) * 2018-08-09 2018-11-23 同济大学 Enclosed dehumidifying dedusting multiple heat pump drying system for lithium battery coating machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108144818A (en) * 2018-01-29 2018-06-12 同济大学 A kind of lithium battery gravure coater drying system using multiple heat pump
CN108489144A (en) * 2018-01-29 2018-09-04 同济大学 A kind of drying system using overlapping multiple heat pump
CN108507340A (en) * 2018-01-29 2018-09-07 同济大学 A kind of open type drying tunnel using multiple heat pump
CN108855819A (en) * 2018-08-09 2018-11-23 同济大学 Enclosed dehumidifying dedusting multiple heat pump drying system for lithium battery coating machine

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