CN209512478U - Heat pump drying equipment - Google Patents

Heat pump drying equipment Download PDF

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Publication number
CN209512478U
CN209512478U CN201821949002.5U CN201821949002U CN209512478U CN 209512478 U CN209512478 U CN 209512478U CN 201821949002 U CN201821949002 U CN 201821949002U CN 209512478 U CN209512478 U CN 209512478U
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China
Prior art keywords
air
air duct
heat pump
heat
drying equipment
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CN201821949002.5U
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Chinese (zh)
Inventor
凌卫民
李建梅
陈松
张永征
韩金民
尹华
王春喆
刘晨
段天成
孙斌
刘续建
樊福全
武戡
党员波
张弛
崔京皓
孙丽文
王瑞昀
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BEIJING DATE INTEGRATED TECHNOLOGY Co Ltd
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BEIJING DATE INTEGRATED 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 utility model embodiment provides a kind of heat pump drying equipment, is related to drying unit technical field.It includes supplies room, separation partition, heat regenerator, heat pump, electrical auxiliary heater and fresh air duct, the air inlet of supplies room is equipped with supply air duct, the air outlet of supplies room is equipped with return airway, separation partition is mounted in return airway and return airway is divided into the first air duct and the second air duct, fresh air duct is connected to by heat regenerator with the second air duct, first air duct is connected by heat regenerator with heat pump, electrical auxiliary heater is mounted on heat pump, and the second air duct is connected with supply air duct by heat pump and electrical auxiliary heater.Heat pump drying equipment provided by the utility model, heat pump is main heating element, electrical auxiliary heater auxiliary heat supplying, it separates partition and return airway is divided into the first air duct and the second air duct channel Liang Ge, the indoor air of material is divided into two parts to handle respectively, improves the utilization rate and the indoor hydrofuge amount of material of heat.

Description

Heat pump drying equipment
Technical field
The utility model embodiment is related to drying unit technical field more particularly to a kind of heat pump drying equipment.
Background technique
Heat pump drying technology is multiple in agricultural byproducts processing field, drying of wood field, grain and food drying field etc. Field is widely used and develops, in addition to this, in the baking of the products such as medicinal material, ceramic batch, leather, paper and tobacco leaf It is also widely applied during roasting.In numerous product bakings, flue-curing time of tobacco leaves is long, heat consumption is big, baking temperature compared with High (70 DEG C of maximum temperature or so) have apparent particularity compared to other products to be baked.Has part heat in recent years It pumps among products application to tobacco flue-curing, but there are the following problems: some areas night temperatures are lower, and heat pump heat supply amount is insufficient, It is difficult to reach the temperature of baking demand;In the stage of a large amount of hydrofuges of tobacco leaf, existing heat pump drying equipment hydrofuge amount is insufficient;Baking After the problems such as there are tobacco leaf veins to be easy roasting blueness, and ribs of a leaf difficulty is dried.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of heat pump drying equipment, to solve existing drying equipment heating load not The problem of foot, hydrofuge amount deficiency.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of heat pump drying equipment, including supplies room, separation every The air inlet of plate, heat regenerator, heat pump, electrical auxiliary heater and fresh air duct, the supplies room is equipped with supply air duct, the object Expect that the air outlet of room is equipped with return airway, the separation partition is mounted in the return airway and separates the return airway For the first air duct and the second air duct, the fresh air duct is connected to by the heat regenerator with second air duct, and described first Air duct is connected by the heat regenerator with the heat pump, and the electrical auxiliary heater is mounted on the heat pump, and described second Air duct is connected with the supply air duct by the heat pump and the electrical auxiliary heater.
Wherein, the heat pump includes condenser and evaporator interconnected, the air inlet of the condenser and described the Two air ducts are connected, and the air outlet of the condenser is connected by the electrical auxiliary heater with the supply air duct, and described first Air duct is connected through the heat regenerator with the air inlet of the evaporator.
Wherein, at least one evaporation fan is installed at the air outlet of the evaporator.
Wherein, the entrance of the supply air duct is equipped with circulating fan, be disposed in the supply air duct deflector or Air distribution plate.
Wherein, the inlet of the fresh air duct is equipped with fresh air air-valve, and the air intake vent of the evaporator is equipped with dehumidifying Air-valve.
Wherein, the junction in the heat regenerator and second air duct is equipped with fresh-air fan, the heat regenerator and institute It states and is equipped with wet-emitting blower between evaporator.
Wherein, further include controller, the controller for control the fresh air air-valve, the dehumidifying air-valve, it is described newly The working condition of wind blower, the wet-emitting blower and the electrical auxiliary heater.
It wherein, further include drip tray, the drip tray is used to accept discharge outlet and the hydrofuge wind from the evaporator The condensed water of the discharge outlet discharge of machine, the drip tray are connected by drainpipe with the outside of the heat pump drying equipment.
Wherein, the electrical auxiliary heater includes multistage electrothermal tube, and the multistage electrothermal tube can be opened incrementally step by step.
Wherein, the separation partition extends in the supplies room from the heat regenerator, first air duct it is transversal The ratio of area and the cross-sectional area in second air duct is between 1:2~1:4.
(3) beneficial effect
Heat pump drying equipment provided by the utility model, heat pump are main heating element, and electrical auxiliary heater auxiliary supplies Heat, so as to solve the problems, such as that certain areas night heat supply is insufficient;Return airway is divided into the first air duct and the by separation partition The two air ducts channel Liang Ge, so that the indoor portion of air of material is discharged after with fresh air hot and humid area occurs for heat regenerator, Another part flows back in supplies room again as circulation air, improves the utilization rate of heat, and introduce into circulation air The fresh air of low humidity improves the indoor hydrofuge situation of material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment heat pump drying equipment.
In figure: 1, supplies room;2, partition is separated;3, heat regenerator;4, heat pump;41, condenser;42, evaporator;5, it assists Electric heater;6, supply air duct;7, return airway;71, the first air duct;72, the second air duct;8, fresh air duct;9, evaporation fan; 10, circulating fan;11, deflector;12, fresh air air-valve;13, dehumidify air-valve;14, fresh-air fan;15, wet-emitting blower;16, it controls Device;17, drainpipe.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Heat pump drying equipment in the utility model embodiment, as shown in Figure 1, including supplies room 1, separation partition 2, heat Recover 3, heat pump 4 and electrical auxiliary heater 5, the air inlet of supplies room 1 are connected to supply air duct 6, the air outlet connection of supplies room 1 Return airway 7, separation partition 2 are mounted in return airway 7 and return airway 7 are divided into the first air duct 71 and the second air duct 72, fresh air duct 8 is connected to by heat regenerator 3 with the second air duct 72, and the first air duct 71 passes through heat regenerator 3 and 4 phase of heat pump Even, electrical auxiliary heater 5 is mounted on heat pump 4, and the second air duct 72 passes through 5 phase of heat pump 4 and electrical auxiliary heater with supply air duct 6 Even.
The heat pump drying equipment, the damp-heat air a part flowed out out of supplies room 1 enter in the first air duct 71, external new Wind enters fresh air duct 8 and carries out sufficient heat exchange by heat regenerator 3 with the damp-heat air in the first air duct 71.Heat pump 4 As main heating element, heating element of the electrical auxiliary heater 5 as auxiliary, fresh air enters the second air duct after absorbing heat It is mixed in 72 with the air entered in the second air duct 72 out of supplies room 1, after heat pump 4 and electrical auxiliary heater 5 heat again It is secondary to be entered in supplies room 1 by supply air duct 6 with material drying.Wherein, heat pump 4 can independent heat supply, when heat pump 4 heat supply is insufficient When can open electrical auxiliary heater 5 carry out auxiliary heat supplying.In this way, not only can be with saving heat energy, but also can solve certain areas night The problem of heat supply deficiency.The damp-heat air flowed out in supplies room 1 enters heat pump 4 by secondary returning after heat regenerator 3 recycles heat Heat is received, energy-saving effect is prominent.In this process, the part damp-heat air flowed out in supplies room 1 is after heat regenerator 3, heat pump 4 Discharge;Another part damp-heat air with through heat regenerator 3, treated that circulation is passed through in supplies room 1 again after fresh air mixes, from And it can satisfy the demand of dry materials dehumidifying.
Specifically, separation partition 2 extends to the interior wall of supplies room 1 from heat regenerator 3, so that return airway 7 is separated into The cross-sectional area ratio in the first air duct 71 and the second air duct 72,71 cross-sectional area of the first air duct and the second air duct 72 is in 1:2~1:4 Between, the situation that can be dehumidified according to different material is adjusted, to meet the needs of dry materials dehumidifying.
Wherein, heat pump 4 includes condenser 41 interconnected and evaporator 42, the air inlet of condenser 41 and the second wind Road 72 is connected, and the air outlet of condenser 41 is connected by electrical auxiliary heater 5 with supply air duct 6, and the first air duct 71 is through recuperation of heat Device 3 is connected with the air inlet of evaporator 42.Fresh air after heat exchange occurs in heat regenerator 3 and the part in supplies room 1 are wet Hot-air mixing, enters supplies room 1 by supply air duct 6 under the heat effect of condenser 41 and electrical auxiliary heater 5.Material The damp-heat air entered in the first air duct 71 in room 1 enters evaporator 42 after heat regenerator 3 recycles heat and recycles heat again, It is discharged in atmosphere from evaporator 42 later, by heat recovery twice, greatly improves the recovery efficiency of heat.
Specifically, electrical auxiliary heater 5 includes multistage electrothermal tube, and multistage electrothermal tube can be opened incrementally step by step to mention For the heat of different levels, heat supply is met in the case where energy saving.One end of separation partition 2 is mounted in heat pump 4, The other end extends to the air inlet of return airway 7.
In order to improve the outlet air efficiency of evaporator 42, at least one evaporation fan is installed at the air outlet of evaporator 42 9.When evaporation fan 9 has multiple, multiple evaporation fans 9 are longitudinal to be uniformly distributed.
In addition, the entrance in supply air duct 6 is equipped with circulating fan 10, and under the operating of circulating fan 10, condenser 41 In air in the heat transfer of release to supply air duct 6.Deflector 11 or air distribution plate are disposed in supply air duct 6, to make Air draught is divided into multiply parallel airflow, reduces the resistance of air flowing.
Specifically, fresh air air-valve 12 is installed in the inlet of fresh air duct 8, the air intake vent of evaporator 42, which is equipped with, to be removed Wet wind valve 13.The junction in heat regenerator 3 and the second air duct 72 is equipped with fresh-air fan 14, between heat regenerator 3 and evaporator 42 Equipped with wet-emitting blower 15.When hydrofuge amount is smaller, it is only necessary to open fresh air air-valve 12 and dehumidifying air-valve 13;When hydrofuge amount is larger, In addition to opening fresh air air-valve 12 and dehumidifying air-valve 13, it is also necessary to while fresh-air fan 14 and wet-emitting blower 15 are opened, to increase Air mass flow.The heat pump drying equipment in the utility model embodiment both can satisfy the lower product of hydrofuge rate as a result, It can satisfy the otherness hydrofuge demand of product different phase, it is applied widely.
In order to realize the automation control of equipment, the heat pump drying equipment in the utility model embodiment further includes controller 16, controller 16 is for controlling fresh air air-valve 12, dehumidifying air-valve 13, fresh-air fan 14, wet-emitting blower 15 and electrical auxiliary heater 5 Working condition, according to the size requirement of hydrofuge amount adjust fresh air air-valve 12, dehumidify air-valve 13 opening degree and fresh-air fan 14, Wet-emitting blower 15 opens or closes;According to the temperature of external environment, the start and stop of electrical auxiliary heater 5 are controlled.
In addition to this, the heat pump drying equipment in the utility model embodiment further includes drip tray, and drip tray is for accepting The condensed water that the discharge outlet of discharge outlet and wet-emitting blower 15 from evaporator 42 is discharged, drip tray pass through drainpipe 17 and the entirety The outside of formula heat-pump apparatus is connected.
Heat pump drying equipment in the utility model embodiment, based on the heat supply of condenser 41, with electrical auxiliary heater 5 Heat supply supplemented by, circulating fan 10 provides power for circulated air;Pass through supply air duct 6 and return air wind between heat pump 4 and storeroom Road 7 connects, and air distribution plate or deflector 11 are equipped with inside supply air duct 6;Part inner circulating air can be discharged for separation partition 2;It is empty Heat recovery, energy-saving effect are more preferable twice by heat regenerator 3 and evaporator 42 for gas;Fresh air air-valve 12 and dehumidifying air-valve 13, can Meet the hydrofuge demand in the lower product of hydrofuge rate or stage;Fresh-air fan 14 and wet-emitting blower 15, can hydrofuge rate compared with Big Shi Kaiqi.
Heat pump drying equipment in the utility model embodiment is applied widely, and energy-saving effect is obvious, especially suitable for cigarette The baking of leaf.Below by taking tobacco flue-curing as an example, the work of the heat pump drying equipment in the utility model embodiment is used as further Description, it should be noted that the heat pump drying equipment in the utility model embodiment can be also used for the drying of unclassified stores, no It is confined to tobacco flue-curing.
In tobacco flue-curing, the control of dry bulb and wet-bulb temperature is quite important, and wherein hydrofuge process directly affects supplies room 1 Interior wet-bulb temperature, and then influence material, that is, tobacco leaf cured effect to be dried.
Air warp if being fitted without separation partition 2 in return airway 7, when carrying out hydrofuge work, in supplies room 1 It is directly entered inside heat pump 4 after crossing return airway 7, return airway is entered by fresh-air fan 14 from the low humidity fresh air of external complement Entering inside heat pump 4 after in 7.Due to the blocking of 4 inner condenser 41 of heat pump, air and low humidity fresh air in supplies room 1 exist Position in 41 lower spaces of condenser, that is, return airway 7 close to air outlet is mixed, and mixed portion of air is passed through Enter supplies room 1 from supply air duct 6 after condenser 41 and electrical auxiliary heater 5;Mixed another part air is in hydrofuge wind Under the action of machine 15, successively by heat regenerator 3, wet-emitting blower 15, dehumidifying air-valve 13, evaporator 42, evaporation fan 9 and be discharged To ambient atmosphere.This discharge process could not effectively enter following for storeroom after causing supplement fresh air to mix with internal circulated air In ring, but most of discharge heat pump 4, " short circuit " is caused, keeps the effect on moisture extraction in supplies room 1 bad, is caused in supplies room 1 Tobacco leaf there is the not dry situation of vein pastiness, ribs of a leaf.
After installation separates partition 2, it can effectively avoid above-mentioned phenomenon and occur.Specifically, not hydrofuge when, in supplies room 1 Circulation air flows to the second air duct 72, i.e., all circulation airs successively pass through condenser 41, circulating fan 10 and supply air duct 6, Into supplies room 1.When needing to carry out hydrofuge work, when the circulation air in supplies room 1 passes through return airway 7, it is divided into two Point, a part enters the first air duct 71, and another part enters the second air duct 72, wherein the circulation air in the first air duct 71 is successive It flows through heat regenerator 3, wet-emitting blower 15, dehumidifying air-valve 13, evaporator 42 and evaporation fan 9 and drains into ambient atmosphere;Second wind After circulation air in road 72 is then mixed with the extraneous fresh air that fresh-air fan 14 introduces, successively add by condenser 41, auxiliary electricity Hot device 5 and supply air duct 6, into supplies room 1.Circulation air in supplies room 1 does not mix mutually after being divided into twice wind, can play Effective effect on moisture extraction.
Therefore separation partition 2 passes through at return airway 7 to the air outlet of supplies room 1 from heat regenerator 3, even The inside of supplies room 1 is extended to, is not communicated with so that the space that the lower cavity of heat pump 4 and return airway 7 form is divided into Two channels, to separate the air inlet of heat regenerator 3 and the air outlet of fresh-air fan 14, so that fresh air be avoided to mix with circulated air It is discharged afterwards from heat pump 4, the fresh air for effectively improving low humidity enters flow in supplies room 1, meets the application demand of desiccant dehumidification.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of heat pump drying equipment, which is characterized in that add including supplies room, separation partition, heat regenerator, heat pump, auxiliary electricity Hot device and fresh air duct, the air inlet of the supplies room are equipped with supply air duct, and the air outlet of the supplies room is equipped with return airway, The separation partition is mounted in the return airway and the return airway is divided into the first air duct and the second air duct, described Fresh air duct is connected to by the heat regenerator with second air duct, first air duct pass through the heat regenerator with it is described Heat pump is connected, and the electrical auxiliary heater is mounted on the heat pump, and second air duct and the supply air duct are described in Heat pump is connected with the electrical auxiliary heater.
2. heat pump drying equipment according to claim 1, which is characterized in that the heat pump includes condenser interconnected And evaporator, the air inlet of the condenser are connected with second air duct, the air outlet of the condenser passes through the auxiliary Electric heater is connected with the supply air duct, air inlet phase of first air duct through the heat regenerator with the evaporator Even.
3. heat pump drying equipment according to claim 2, which is characterized in that be equipped at the air outlet of the evaporator to A few evaporation fan.
4. heat pump drying equipment according to claim 2 or 3, which is characterized in that the entrance of the supply air duct is installed There is circulating fan, deflector or air distribution plate are disposed in the supply air duct.
5. heat pump drying equipment according to claim 2, which is characterized in that the inlet of the fresh air duct is equipped with newly Wind air-valve, the air intake vent of the evaporator are equipped with dehumidifying air-valve.
6. heat pump drying equipment according to claim 5, which is characterized in that the heat regenerator and second air duct Junction is equipped with fresh-air fan, and wet-emitting blower is equipped between the heat regenerator and the evaporator.
7. heat pump drying equipment according to claim 6, which is characterized in that further include controller, the controller is used for Control the fresh air air-valve, the dehumidifying air-valve, the fresh-air fan, the work of the wet-emitting blower and the electrical auxiliary heater Make state.
8. heat pump drying equipment according to claim 6, which is characterized in that further include drip tray, the drip tray is used for The condensed water being discharged from the discharge outlet of the evaporator and the discharge outlet of the wet-emitting blower is accepted, the drip tray passes through draining Pipe is connected with the outside of the heat pump drying equipment.
9. heat pump drying equipment according to claim 1, which is characterized in that the electrical auxiliary heater includes multistage electric heating Pipe, the multistage electrothermal tube can be opened incrementally step by step.
10. heat pump drying equipment according to claim 1, which is characterized in that the separation partition is from the heat regenerator It extends in the supplies room, the ratio of the cross-sectional area in the cross-sectional area in first air duct and second air duct is in 1:2 Between~1:4.
CN201821949002.5U 2018-11-23 2018-11-23 Heat pump drying equipment Active CN209512478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821949002.5U CN209512478U (en) 2018-11-23 2018-11-23 Heat pump drying equipment

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Application Number Priority Date Filing Date Title
CN201821949002.5U CN209512478U (en) 2018-11-23 2018-11-23 Heat pump drying equipment

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CN209512478U true CN209512478U (en) 2019-10-18

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Application Number Title Priority Date Filing Date
CN201821949002.5U Active CN209512478U (en) 2018-11-23 2018-11-23 Heat pump drying equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926198A (en) * 2019-11-07 2020-03-27 珠海格力电器股份有限公司 Heat pump drying system, drying method, device and controller
CN111076516A (en) * 2020-01-06 2020-04-28 珠海格力电器股份有限公司 Pulse type air supply device capable of realizing balanced work of dryer and dryer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926198A (en) * 2019-11-07 2020-03-27 珠海格力电器股份有限公司 Heat pump drying system, drying method, device and controller
CN111076516A (en) * 2020-01-06 2020-04-28 珠海格力电器股份有限公司 Pulse type air supply device capable of realizing balanced work of dryer and dryer
CN111076516B (en) * 2020-01-06 2020-10-02 珠海格力电器股份有限公司 Pulse type air supply device capable of realizing balanced work of dryer and dryer

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