CN208720728U - The vermicelli drying equipment of parallel hot-air system and heat source combined drying - Google Patents

The vermicelli drying equipment of parallel hot-air system and heat source combined drying Download PDF

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Publication number
CN208720728U
CN208720728U CN201821100383.XU CN201821100383U CN208720728U CN 208720728 U CN208720728 U CN 208720728U CN 201821100383 U CN201821100383 U CN 201821100383U CN 208720728 U CN208720728 U CN 208720728U
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China
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air
heat
vermicelli
condenser
dry house
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程烨
杨德亮
李兴书
殷宪春
都洪阳
曹坤文
张二宾
卢邦纬
李百豪
冯明扬
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HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
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HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
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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
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The vermicelli drying equipment of parallel hot-air system and heat source combined drying, including dry house and clipping room, the vermicelli pipeline for hanging and conveying vermicelli is equipped with inside dry house, the top of vermicelli pipeline is equipped with heat-dissipating pipe in dry house, heat-dissipating pipe is connected with external heat source, dry house inner top is equipped with fresh air duct in the horizontal direction, several fresh air air ports are offered in fresh air duct, one end of fresh air duct is pierced by dry house and protrudes into clipping room, fresh-air fan is installed in fresh air duct, bottom is equipped with hydrofuge air duct in dry house, several hydrofuge air ports are offered on hydrofuge air duct, the one end in hydrofuge air duct is pierced by dry house and extends in clipping room, hot-air system is installed in clipping room.The utility model is had many advantages, such as to reduce vermicelli drying cost, reduces initial launch cost, reduces energy consumption, progress combined drying is used in conjunction with each other using hot-air system and heat source, drying efficiency height, good drying effect, is dried to the air in dry house with hot-air system.

Description

The vermicelli drying equipment of parallel hot-air system and heat source combined drying
Technical field
The utility model relates to food drying, industrial products drying equipment technical field, specially a kind of parallel hot wind The vermicelli drying equipment of system and heat source combined drying.
Background technique
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.
In the prior art, multiple temperature regions, adjacent temperature region temperature close, by high temperature to low temperature are divided into dry house Including the different temperature region of several temperature.
Utility model content
The utility model provides a kind of reduction vermicelli drying cost, reduces to solve shortcoming in the prior art Operating cost is reduced energy consumption, is used in conjunction with each other progress combined drying using hot-air system and heat source, drying efficiency height, drying The extension of effect is good, is dried using hot-air system to the air in dry house parallel hot-air system and heat source combined drying Face drying equipment.
In order to solve the above technical problems, the utility model adopts the following technical solution: parallel hot-air system and heat source join Dry vermicelli drying equipment, including dry house and clipping room are closed, is equipped with inside dry house for hanging vermicelli and along level side To the vermicelli pipeline of conveying vermicelli, the top of vermicelli pipeline is equipped with heat-dissipating pipe in dry house, and heat-dissipating pipe is connected with external Heat source, dry house inner top are equipped with fresh air duct in the horizontal direction, several fresh air air ports, fresh air wind are offered in fresh air duct The one end in road is pierced by dry house and protrudes into clipping room, and fresh-air fan is equipped in fresh air duct, is equipped with inside dry house positioned at scattered Between heat pipe and fresh air duct and air-out wind direction is towards the fan of vermicelli pipeline, and bottom is equipped with hydrofuge air duct, row in dry house Several hydrofuge air ports are offered on wet wind road, the one end in hydrofuge air duct is pierced by dry house and extends in clipping room, peace in clipping room Equipped with hot-air system, heat recovery room is equipped in clipping room, heat recovery room is equipped with air inlet and air outlet, heat recovery room Air inlet is connected with one end that clipping room is protruded into hydrofuge air duct, and the air outlet of heat recovery room is connected with wind output channel, air draft Air duct is communicated with atmosphere, and wet-emitting blower is equipped in the air inlet and/or wind output channel of heat recovery room;
Using the direction of air-flow as downstream, hot-air system is equipped with several groups, and hot-air system includes recycling to connect by refrigerant pipeline Compressor, condenser, expansion valve and the evaporator connect, compressor and expansion valve are located in clipping room, and evaporator is mounted on heat In recovery room, condenser is arranged in dry house, and condenser is connected with condensation between supply air duct and ceiling fan, on condenser Blower.
The peripheral outer wall of each evaporator is connected on the inner wall of heat recovery room.
Be equipped with cavity segment in the heat recovery room in each vaporizer upstream and downstream, heat recovery room vertically roam all around the would to friendship For N+1 cavity segment and N grades of evaporators is equipped at intervals with, N is positive integer, swims over to the direction in downstream, N grades of evaporators from above along air-flow Respectively first evaporator is to N grades of evaporators.
Wet-emitting blower is equipped in the air inlet and wind output channel of heat recovery room;The air inlet of heat recovery room Wet-emitting blower is the first wet-emitting blower, and the wet-emitting blower in wind output channel is the second wet-emitting blower.
Condenser and condensation fan in each heat pump system form heat pump device, are set in dry house.
It is equipped with N number of temperature region in dry house, is respectively first order temperature region to N grades of humidity provinces by low temperature to high temperature Domain is equipped with first-stage condenser in each temperature region, and the condenser in first order temperature region is first order condenser, and N grades Condenser in temperature region is N grades of condensers;
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) top of vermicelli pipeline is equipped with heat-dissipating pipe, the condenser of the utility model in the dry house of the utility model The top of heat-dissipating pipe in dry house is set, and condenser is connected with condensation fan, and the utility model is arranged with by heat-dissipating pipe new Wind is compared in air duct, the utility model by heat-dissipating pipe be arranged in vermicelli pipeline on be convenient to will in fresh air duct be sent into dry Between fresh air and in dry house air heating it is more uniform, be also convenient for increase dry house in temperature, accelerate drying;This Not set heating room in the clipping room of utility model, each condenser are arranged in parallel the upper of in dry house heat-dissipating pipe along airflow direction Side, setting heating room, condenser at different levels connects along airflow direction, then fresh air is after heating room by entering back into in clipping room Dry house is compared, and the sum of series of condenser and evaporator in the same heat pump system of the utility model is N+1, each condenser Heat exchange efficiency is very high, and the efficiency of hot-air system is relatively high, and the comparison of heat recovery is abundant, has saved the energy, hot-air system Running efficiency is high, and power consumption cost is well below original energy consumption cost in the case where generating same heat.
The condenser that the condenser of each group hot-air system is arranged in parallel in dry house with each group hot-air system is arranged in series Compared on fresh air wind path the difference is that:
When the condenser of each group hot-air system is arranged in series on fresh air wind path, fresh air passes through each group hot-air system step by step Condenser, obtain stepped heating, thus final wind-warm syndrome is higher, fresh air obtains higher temperature and enters dry house, avoids drying Hot wet air heating in doing encounters the dew condensation phenomenon after cold fresh air, heat transfer rate's quickening of air-flow and vermicelli, and drying efficiency improves, When being transformed in old Equipment Foundations, without changing the existing facility in dry house, it is transformed simple and fast;
And the condenser of each group hot-air system is arranged in parallel when being heated in dry house to air, each group hot wind system The condenser of system heats the air in dry house, is arranged in series in wind compared to by the condenser of each group hot-air system Road can discharge more heats, and the operating condition of each heat pump system is more preferable, improve the whole Energy Efficiency Ratio of hot-air system, phase To more energy saving;
(2) heat of the hot-air system of the utility model is heated the air in dry house by condenser, heat Drying vermicelli are directly used in, do not change original heat-dissipating pipe and the heat source connecting with heat-dissipating pipe in dry house, inside dry house Equipped between heat-dissipating pipe and fresh air duct and fan of the air-out wind direction towards vermicelli pipeline, the heat that ceiling fan heats heat source Wind and the hot wind by being heated after condenser blow to vermicelli, dry to vermicelli, and equipment is simple, make hot-air system with it is original Heat source joint provide thermal energy vermicelli are dried, saved the energy, reduced the investment of original heat source, original heat source It is general to be heated using burning natural gas etc., reduce the investment of original heat source, consequently reduces pollution, reduce into This;
(3) the utility model has introduced hot-air system on the basis of original heat source, using hot-air system with it is original Heat source joint provides energy and dries to vermicelli, and drying efficiency is high, good drying effect, reduces operating cost, reduces energy consumption, Reduce the cost of original heat source drying;
(4) peripheral outer wall of each evaporator of the utility model is connected on the inner wall of heat recovery room, each hot wind system The evaporator spacing side by side of system is arranged in heat recovery room, and the Hot wet air heating in hydrofuge air duct passes sequentially through each evaporator, from And the temperature of hot wind is reduced step by step, only pass through level-one evaporator compared to hot wind, the utility model is (aobvious by the energy in hydrofuge air Heat and latent heat) utilize more sufficiently, so that the temperature of hot wind has been obtained a greater degree of reduction, and the water that will contain in hot wind Divide and liquid is condensed by gaseous state, condenser and condensation fan are absorbed and utilized during this and release a large amount of latent heat of vaporization by phase transformation The sensible heat released is reduced with temperature, so that the waste heat in Hot wet air heating is more efficiently recycled, it is energy saving;
(5) peripheral outer wall of each evaporator of the utility model is connected on the inner wall of heat recovery room, is guaranteed all Air-flow all pass through evaporator, prevent gap location of the air-flow between evaporator and heat recovery chamber interior walls from flowing through, so as to cause Fraction is absorbed heat without evaporator;
(6) 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 the utility model, which has, to be reduced vermicelli drying cost, reduces operating cost, reduce energy consumption, utilize heat Wind system and heat source be used in conjunction with each other carry out combined drying, drying efficiency height, good drying effect, using hot-air system to drying The advantages that interior air is dried.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the sectional view of dry house in Fig. 1;
Fig. 3 is the schematic illustration of hot-air 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 parallel hot-air system (hot-air system, that is, heat pump system) of the utility model is combined with heat source Dry vermicelli drying equipment, including dry house 1 and clipping room 10 are equipped with inside dry house 1 for hanging vermicelli and along left and right Horizontal direction conveys the vermicelli pipeline 19 of vermicelli, and the top of vermicelli pipeline 19 is equipped with heat-dissipating pipe 5, heat-dissipating pipe 5 in dry house 1 It is connected with external heat source (heat source is the prior art, not shown), 1 inner top of dry house is equipped with fresh air wind along left and right horizontal direction Road 3 offers several fresh air air ports 2 in fresh air duct 3, and one end of fresh air duct 3 is pierced by dry house 1 and protrudes into clipping room 10 Interior, it is not closed space that fresh-air fan 7(clipping room 10 is equipped in fresh air duct 3, and fresh-air fan 7 is by the fresh air of clipping room It is sent into fresh air duct 3, the air outside clipping room 10 enters clipping room 10 by the non-tight such as structure gap of clipping room 10), It is equipped with inside dry house 1 between heat-dissipating pipe 5 and fresh air duct 3 and air-out wind direction is towards the fan 4 of vermicelli pipeline 19, dried Bottom is equipped with hydrofuge air duct 16 in 1 between dry, offers several hydrofuge air ports 17, the one end in hydrofuge air duct 16 on hydrofuge air duct 16 It is pierced by dry house 1 to extend in clipping room 10, hot-air system is installed in clipping room 10, is equipped with heat recovery room in clipping room 10 14, heat recovery room 14 is equipped with air inlet and air outlet, and clipping room is protruded into the air inlet of heat recovery room 14 and hydrofuge air duct 16 10 one end is connected, and the air outlet of heat recovery room 14 is connected with wind output channel 11, and wind output channel 11 is communicated with atmosphere, heat Wet-emitting blower is equipped in the air inlet and/or wind output channel of recovery room.
The utility model is suitable for improving on the basis of old vermicelli drying equipment.External heat source refers to old extension The intrinsic heat source of face drying equipment, such as the heat source of burning natural gas.It can be hot steam, conduction oil or hot water in heat-dissipating pipe 5 Equal heat transfer mediums, are thermally conductive (heat transfer) common technology, are specifically no longer described in detail.
Using the direction of air-flow as downstream direction, hot-air system is equipped with several groups, and hot-air system includes being followed by refrigerant pipeline Compressor 20, condenser 6, expansion valve 22 and the evaporator 13 of ring connection, compressor 20 and expansion valve 22 are located in clipping room 10, Evaporator 13 is mounted in heat recovery room 14, and condenser 6 is arranged in dry house 1, and condenser 6 is located at supply air duct 3 and hangs Between fan 4, condensation fan 23 is connected on condenser 6;
The peripheral outer wall of each evaporator 13 is connected on the inner wall of heat recovery room 14;
Cavity segment 9 is equipped in the heat recovery room 14 of each 13 upstream and downstream of evaporator, heat recovery room 14 is vertically Roam all around the would is equipped with N+1 cavity segment 9 to alternate intervals and N grades of evaporators 13, N are positive integer, swims over to the side in downstream from above along air-flow It is respectively first evaporator to N grades of evaporators to, N grades of evaporators.The evaporator quantity of every grade of evaporator is more than or equal to 1.
Wet-emitting blower is equipped in the air inlet and wind output channel 16 of heat recovery room 14;The air inlet of heat recovery room The wet-emitting blower at place is the first wet-emitting blower 15, and the wet-emitting blower in wind output channel 11 is the second wet-emitting blower 12.
The bottom of heat recovery room 14 is equipped with condensate drain pan, is connected with drainpipe on condensate drain pan, drainpipe is pierced by equipment Between 10(condensate drain pan and drainpipe be the prior art, it is not shown).
Condenser and condensation fan in each heat pump system form heat pump device, are set in dry house.It is condensed in Fig. 1 The position of blower and condenser coincides together, and no longer in addition individually marks appended drawing reference to condensation fan.
It is equipped with N number of temperature region in dry house, is respectively first order temperature region to N grades of humidity provinces by low temperature to high temperature Domain is equipped with first-stage condenser in each temperature region, and the condenser in first order temperature region is first order condenser, and N grades Condenser in temperature region is N grades of condensers;The condenser quantity of every grade of condenser is more than or equal to 1.
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 used for noodle production line, and noodle production line is the mature prior art.
When using the utility model, fresh-air fan 7 is first opened, the fresh air in clipping room 10 is pumped into fresh air by fresh-air fan 7 In air duct 3, fresh air duct 3 is discharged into fresh air in dry house 1 by fresh air air port 2, at the same time, fan and heat source starting, heat The new air that source is entered in dry house 1 by 5 Duis of heat-dissipating pipe heats, and the rotation of fan 4 blows fresh air to vermicelli pipeline 19 It is dynamic.Noodle production line is just switched on, and vermicelli pipeline 19 just starts starting and vermicelli are transported in dry house 1 or in dry house 1 Vermicelli it is fewer when, the humidity in dry house 1 is smaller, does not need hydrofuge temporarily, hot-air system does not use temporarily at this time.One section After time, when more into the vermicelli in dry house 1, hot-air system is started to work, the first wet-emitting blower 15, the second wet-emitting blower 12 and condensation fan 23 start, be heated into the fresh air in dry house 1 and rear become wet with damp and hot exchange of moist vermicelli progress Hot-air, damp-heat air enter hydrofuge air duct 16 through the hydrofuge air port 17 on hydrofuge air duct 16, and the first wet-emitting blower 15 extracts wet Hot-air makes damp-heat air successively pass through the evaporators at different levels 13 of heat recovery room 14, and final damp-heat air is by evaporators at different levels Clipping room 10 is discharged after 13 after the second wet-emitting blower 12 discharges into wind output channel 11, in the process, hot-air system passes through compression The operation of machine 20, the expanded valve 22 of system refrigerant evaporation endothermic in evaporator 13 step by step cool down damp-heat air, while water steams Gas is condensed into water, and hot-air system absorbs most sensible heat and latent heat in damp-heat air by evaporator 13.Equally pressing Under the action of contracting machine 20, refrigerant becomes high pressure conditions from low-pressure state.High pressure refrigerant mutually becomes liquid from gaseous state in condenser 6 It is discharged into the fresh air by condenser 6 from the heat absorbed in damp-heat air and heats to fresh air by state.
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. the vermicelli drying equipment of parallel hot-air system and heat source combined drying, it is characterised in that: including dry house and installation Between, it is equipped with inside dry house for hanging vermicelli and in the horizontal direction the vermicelli pipeline of conveying vermicelli, vermicelli are defeated in dry house The top of line sending is equipped with heat-dissipating pipe, and heat-dissipating pipe is connected with external heat source, and dry house inner top is equipped with fresh air wind in the horizontal direction Road offers several fresh air air ports in fresh air duct, and one end of fresh air duct is pierced by dry house and protrudes into clipping room, fresh air wind Fresh-air fan is installed on road, is equipped between heat-dissipating pipe and fresh air duct inside dry house and air-out wind direction is defeated towards vermicelli The fan of line sending, bottom is equipped with hydrofuge air duct in dry house, offers several hydrofuge air ports on hydrofuge air duct, hydrofuge air duct One end is pierced by dry house and extends in clipping room, and hot-air system is equipped in clipping room, is equipped with heat recovery room, heat in clipping room Recovery room is equipped with air inlet and air outlet, and the air inlet of heat recovery room is connected with one end that clipping room is protruded into hydrofuge air duct, The air outlet of heat recovery room is connected with wind output channel, and wind output channel is communicated with atmosphere, the air inlet of heat recovery room and/or Wet-emitting blower is equipped in wind output channel;
Using the direction of air-flow as downstream, hot-air system is equipped with several groups, and hot-air system includes being connected by circulation by refrigerant pipeline Compressor, condenser, expansion valve and evaporator, compressor and expansion valve are located in clipping room, and evaporator is mounted on heat recovery Interior, condenser are arranged in dry house, and condenser is connected with condensating wind between supply air duct and ceiling fan on condenser Machine.
2. the vermicelli drying equipment of parallel hot-air system according to claim 1 and heat source combined drying, feature exist In: the peripheral outer wall of each evaporator is connected on the inner wall of heat recovery room.
3. the vermicelli drying equipment of parallel hot-air system according to claim 1 and heat source combined drying, feature exist In: in the heat recovery room in each vaporizer upstream and downstream be equipped with cavity segment, heat recovery room vertically roam all around the would between alternating Every being positive integer equipped with N+1 cavity segment and N grades of evaporators, N, the direction in downstream, N grades of evaporators difference are swum over to from above along air-flow For first evaporator to N grades of evaporators.
4. the vermicelli drying equipment of parallel hot-air system according to claim 1 and heat source combined drying, feature exist In: wet-emitting blower is equipped in the air inlet and wind output channel of heat recovery room;The hydrofuge of the air inlet of heat recovery room Blower is the first wet-emitting blower, and the wet-emitting blower in wind output channel is the second wet-emitting blower.
5. the vermicelli drying equipment of parallel hot-air system according to claim 1 and heat source combined drying, feature exist In: condenser and condensation fan in each heat pump system form heat pump device, are set in dry house.
6. the vermicelli drying equipment of parallel hot-air system according to claim 1 and heat source combined drying, feature exist In:
It is equipped with N number of temperature region in dry house, is respectively first order temperature region to N grades of temperature regions by low temperature to high temperature, First-stage condenser is equipped in each temperature region, the condenser in first order temperature region is first order condenser, N grades of temperature Condenser in region is N grades of condensers;
The sum of series of condenser and evaporator in same heat pump system is N+1.
CN201821100383.XU 2018-07-12 2018-07-12 The vermicelli drying equipment of parallel hot-air system and heat source combined drying Active CN208720728U (en)

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CN201821100383.XU CN208720728U (en) 2018-07-12 2018-07-12 The vermicelli drying equipment of parallel hot-air system and heat source combined drying

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Application Number Priority Date Filing Date Title
CN201821100383.XU CN208720728U (en) 2018-07-12 2018-07-12 The vermicelli drying equipment of parallel hot-air system and heat source combined drying

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