CN210425803U - Opening and closing dual-mode combined drying system based on heat pump technology - Google Patents

Opening and closing dual-mode combined drying system based on heat pump technology Download PDF

Info

Publication number
CN210425803U
CN210425803U CN201920490722.8U CN201920490722U CN210425803U CN 210425803 U CN210425803 U CN 210425803U CN 201920490722 U CN201920490722 U CN 201920490722U CN 210425803 U CN210425803 U CN 210425803U
Authority
CN
China
Prior art keywords
cavity
mixing
evaporation
angle
oven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920490722.8U
Other languages
Chinese (zh)
Inventor
郑忠孝
黎智学
赵序昌
童风喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Amitime Electric Co ltd
Original Assignee
Zhongshan Amitime Electric Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Amitime Electric Co ltd filed Critical Zhongshan Amitime Electric Co ltd
Priority to CN201920490722.8U priority Critical patent/CN210425803U/en
Application granted granted Critical
Publication of CN210425803U publication Critical patent/CN210425803U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drying Of Solid Materials (AREA)

Abstract

The utility model provides a switching bimodulus convolution drying system based on heat pump technology, including drying heat pump set and oven, be equipped with heating temperature rise chamber, mixing condensation chamber, mixing evaporation chamber, oven return air chamber in the drying heat pump set, drying heat pump set is still including evaporimeter and the evaporation side speed governing circulating fan that is located the mixing evaporation intracavity, be located condenser and the condensation side speed governing circulating fan in the mixing condensation intracavity, be located the electric auxiliary heater in the heating temperature rise intracavity, evaporation side speed governing circulating fan is relative with the evaporimeter, and condensation side speed governing circulating fan is relative with the air intake of condenser, and electric auxiliary heater is relative with the air outlet of condenser, and evaporimeter both sides and condenser both sides are equallyd divide and do not are equipped with the baffle that is connected with drying heat pump set. Compared with the prior art, the utility model, realize the double mode switching of open stoving dehumidification mode and closed stoving dehumidification mode, overcome the defect of single mode, realized high-efficient stoving dehumidification effect.

Description

Opening and closing dual-mode combined drying system based on heat pump technology
Technical Field
The utility model belongs to the technical field of heat pump drying system, a switching bimodulus convolution drying system based on heat pump technology is related to.
Background
At present, drying is an important process in the production processes of industries, agricultural and sideline products, food processing industries and the like, the drying process is a high-energy-consumption process, and the control of a drying device and the drying process thereof is closely related to the quality of dried and processed products, the production efficiency, the cost, the energy consumption and the like. The heat pump is a device which consumes a part of electric energy and transfers heat energy from a low-temperature heat source to a high-temperature heat source, compared with the traditional drying mode, the heating coefficient of performance (COP) value of the heat pump can reach more than 4.0, and the heat pump drying has the characteristics of high efficiency, energy conservation, low cost and no environmental pollution. And the heat pump has obvious dehumidification effect, and can quickly dry the materials at normal temperature, thereby ensuring the quality and color of the dried materials and producing high-quality products.
It can be seen from the investigation of the research conditions at home and abroad that in the prior art, an air energy high-temperature heat pump system or a closed dehumidification heat pump system is generally adopted to dry materials. However, it has problems that: the dehumidification mode is single, and stoving dehumidification efficiency is lower, the effect is relatively poor.
Therefore, the utility model provides a switching bimodulus convolution type drying system based on heat pump technology.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem that prior art exists, the utility model aims to provide a switching bimodulus convolution drying system based on heat pump technology, realize open intensification heating and closed dehumidification heat recovery function, and utilize first angle regulation's electronic blast gate, second angle regulation's electronic blast gate, third angle regulation's electronic blast gate, fourth angle regulation's electronic blast gate and evaporation side air outlet combination switch, realize the double mode switching of open stoving dehumidification mode and closed stoving dehumidification mode, overcome the defect of single mode, high-efficient stoving dehumidification effect has been realized.
The purpose of the utility model can be realized by the following technical proposal:
a switching dual-mode combined drying system based on a heat pump technology comprises a drying heat pump unit and an oven, wherein a heating temperature-raising cavity, a mixing condensation cavity, a mixing evaporation cavity and an oven air return cavity are arranged in the drying heat pump unit;
the drying heat pump unit positioned in the mixing evaporation cavity is provided with an evaporation side air outlet and a first angle-adjustable electric air valve for controlling the entering of outside air, the mixing evaporation cavity and the oven air return cavity are arranged at the same side of the drying heat pump unit in parallel, the heating temperature-raising cavity is arranged at the other side of the drying heat pump unit, the mixing condensation cavity is arranged between the heating temperature-raising cavity and the mixing evaporation cavity as well as between the mixing condensation cavity and the drying oven air return cavity, a second angle-adjustable electric air valve is arranged between the mixing evaporation cavity and the mixing condensation cavity, a third angle-adjustable electric air valve is arranged between the mixing evaporation cavity and the drying oven air return cavity, a fourth angle-adjustable electric air valve is arranged between the drying oven air return cavity and the mixing condensation cavity, the air return cavity of the oven is provided with a condensation side air return opening for communicating the oven, the heating and temperature rising cavity is provided with a condensation side air supply opening for communicating the oven, and the mixing and evaporating cavity is provided with an evaporation side air outlet;
the first angle-adjustable electric air valve, the third angle-adjustable electric air valve, the fourth angle-adjustable electric air valve and the evaporation side air outlet are all opened, the second angle-adjustable electric air valve is closed, so that the oven sequentially forms a passage with the oven air return cavity, the mixed condensation cavity and the heating and warming cavity, external air enters from the first angle-adjustable electric air valve and forms another passage with the oven, the oven air return cavity, the mixed evaporation cavity and the evaporation side air outlet, and at the moment, the opening and closing dual-mode combined drying system is switched into an open drying and dehumidifying mode drying system;
the second angle-adjustable electric air valve, the third angle-adjustable electric air valve and the fourth angle-adjustable electric air valve are all opened, and the first angle-adjustable electric air valve and the evaporation side air outlet are closed, so that the oven, the oven return air cavity, the mixed condensation cavity and the heating and warming cavity form a passage in sequence; and the air return cavity of the oven, the electric air valve with the third adjustable angle, the mixed evaporation cavity and the mixed condensation cavity form another passage, and the opening-closing dual-mode combined drying system is switched to a drying system in a closed drying and dehumidifying mode.
As above, the utility model relates to a switching bimodulus convolution type drying system based on heat pump technology has following beneficial effect:
after the utility model utilizes the above-mentioned switching bimodulus convolution type drying system based on heat pump technology, compared with the prior art, owing to adopted this kind of structure, realize open intensification heating and closed dehumidification heat recovery function, and utilize the electronic blast gate of first adjustable angle, the electronic blast gate of second adjustable angle, the electronic blast gate of third adjustable angle, the electronic blast gate of fourth adjustable angle and evaporate the side air outlet combination switching, realize the bimodulus switching of open stoving dehumidification mode and closed stoving dehumidification mode, overcome the defect of single mode, realized high-efficient stoving dehumidification effect; meanwhile, the rotating speed of the circulating fan at the evaporation side is regulated and controlled in the dehumidification process to realize the control of the evaporation temperature at the evaporation side, so that the dehumidification efficiency is improved; but also can utilize the electronic blast gate of change regulation control angle regulation through input voltage, but make angle regulation's electronic blast gate realize that the difference of opening the angle satisfies different functional requirements, convenient to use.
The present invention will be further described with reference to the following embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an open-close dual-mode combined drying system based on a heat pump technology;
FIG. 2 is an air flow diagram of an evaporator and an evaporator of an open-close dual-mode combined drying system based on a heat pump technology in a heating process;
FIG. 3 is an air flow diagram of an open-close dual-mode combined drying system in an open drying and dehumidifying mode based on a heat pump technology;
fig. 4 is an air flow diagram of an open-close dual-mode combined drying system in a closed drying and dehumidifying mode based on a heat pump technology.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content. The specific structure can be explained with reference to the drawings of the patent application.
In the following examples, the direction is defined by the arrow in fig. 1, the left side of the paper surface is the left direction, the right side of the paper surface is the right direction, the upper side of the paper surface is the upper direction, the lower side of the paper surface is the lower direction, the front side perpendicular to the paper surface is the front direction, the rear side perpendicular to the paper surface is the rear direction, the inner cavity of the mixing evaporation chamber is the inside, and the outer wall of the oven is the outside.
Referring to fig. 1, 3 and 4, an open-close dual-mode combined drying system based on heat pump technology includes a drying heat pump unit 1 and an oven 14, the drying heat pump unit 1 is internally provided with a heating temperature-rising cavity A, a mixing condensation cavity B, a mixing evaporation cavity C and an oven air return cavity D, the drying heat pump unit 1 also comprises an evaporator 4 and an evaporation side speed-regulating circulating fan 5 which are positioned in the mixing evaporation cavity C, a condenser 11 and a condensation side circulating fan 10 which are positioned in the mixing condensation cavity B, and an electric auxiliary heater 12 which is positioned in the heating temperature-rising cavity A, the evaporation side speed-regulating circulating fan 5 is opposite to the evaporator 4, the condensation side circulating fan 10 is opposite to the air inlet of the condenser 11, the electric auxiliary heater 12 is opposite to the air outlet of the condenser 11, and two sides of the evaporator 4 and two sides of the condenser 11 are respectively provided with a baffle B-C connected with the drying heat pump unit 1;
an evaporation side air outlet 3 and an electric air valve 6 with a first adjustable angle for controlling the entering of the outside air are arranged on a drying heat pump unit 1 positioned in a mixing evaporation cavity C, the mixing evaporation cavity C and an oven return air cavity D are arranged on the same side of the drying heat pump unit 1 side by side, the heating temperature rise cavity A is arranged on the other side of the drying heat pump unit 1, the mixing condensation cavity B is arranged between the heating temperature rise cavity A and the mixing evaporation cavity C as well as between the oven return air cavity D, a second adjustable angle electric air valve 2 is arranged between the mixing evaporation cavity C and the mixing condensation cavity B, a third adjustable angle electric air valve 7 is arranged between the mixing evaporation cavity B and the oven return air cavity D, a fourth adjustable angle electric air valve 9 is arranged between the oven return air cavity D and the mixing condensation cavity B, the oven return air cavity D is provided with a condensation side air return port 8 for communicating an oven 14, the heating temperature rise cavity A is provided with a condensation side air supply port 13 for communicating the oven 14, the mixed evaporation cavity C is provided with an evaporation side air outlet 3;
the first angle-adjustable electric air valve 6, the third angle-adjustable electric air valve 7, the fourth angle-adjustable electric air valve 9 and the evaporation side air outlet 3 are all opened, the second angle-adjustable electric air valve 2 is closed, so that the oven 14, the oven return air cavity D, the mixed condensation cavity B and the heating and temperature-raising cavity A sequentially form a passage, outside air enters from the first angle-adjustable electric air valve 6 and the oven 14, the oven return air cavity D, the mixed evaporation cavity C and the evaporation side air outlet 3 form another passage, and at the moment, the opening and closing dual-mode combined drying system is switched to an open type drying and dehumidifying mode drying system;
the second angle-adjustable electric air valve 2, the third angle-adjustable electric air valve 7 and the fourth angle-adjustable electric air valve 9 are all opened, and the first angle-adjustable electric air valve 6 and the evaporation side air outlet 3 are closed, so that the oven 14, the oven air return cavity D, the mixed condensation cavity B and the heating temperature-raising cavity A sequentially form a passage; and the air return cavity D of the oven, the electric air valve 7 with the third adjustable angle, the mixing evaporation cavity C and the mixing condensation cavity B form another passage, and the opening-closing dual-mode combined drying system is switched to a drying system in a closed drying and dehumidifying mode. Compared with the prior art, the utility model realizes the double-mode switching of the open type drying and dehumidifying mode and the closed type drying and dehumidifying mode, overcomes the defect of a single mode, and realizes the high-efficiency drying and dehumidifying effect; meanwhile, the rotating speed of the circulating fan at the evaporation side is regulated and controlled in the dehumidification process to realize the control of the evaporation temperature at the evaporation side, so that the dehumidification efficiency is improved; but also can utilize the electronic blast gate of change regulation control angle regulation through input voltage, but make angle regulation's electronic blast gate realize that the difference of opening the angle satisfies different functional requirements, convenient to use.
It should be noted that, utilize the utility model discloses an foretell switching bimodulus convolution type drying system based on heat pump technology has oven stoving dehumidification's theory of operation and the oven stoving dehumidification's of closed stoving dehumidification mode theory of operation under the open stoving dehumidification mode, specifically as follows:
the working principle of drying and dehumidifying of the oven is as follows: when the temperature of air in the oven 14 rises to a humidity value of a humidity-discharging set temperature, the drying and humidity-discharging process is carried out, hot air in the oven 14 is divided into two paths through an oven return air mixing cavity D, one path of hot air passes through a fourth angle-adjustable electric air valve 9, sequentially passes through a condensation-exchanging mixing cavity B, a condenser 11 and an electric auxiliary heater 12, is heated continuously in a heating temperature-rising cavity A, and then is discharged from a condensation side air inlet 13 and returns to the oven 14; the other path of air enters the evaporation mixing cavity C through the third angle-adjustable electric air valve 7 to be mixed with the outside air entering from the first angle-adjustable electric air valve 6, the temperature of the air to be subjected to the evaporator 4 is increased (the heat exchange efficiency of the evaporator 4 is improved), the evaporator 4 releases heat under the action of the evaporation side circulating fan 5 to become low-temperature and low-humidity air, and the low-temperature and low-humidity air is finally discharged into the atmosphere through the evaporation side air outlet 3, so that the drying effect process inside the drying oven 14 is realized; in the whole dehumidification process, the opening angle of the electric air valve 7 with the adjustable angle is adjusted through the change of the input voltage to control the dehumidification amount, so that the temperature in the oven 14 is not greatly fluctuated, and meanwhile, the functional requirements of drying and dehumidification can be met.
The working principle of drying and dehumidifying of the drying oven is as follows: the hot air in the oven 14 is divided into two paths through an oven air return cavity D, one path passes through a fourth angle-adjustable electric air valve 9 and a condensation-changing mixing cavity B, then sequentially flows through a condenser 11 and an electric auxiliary heater 12, and is continuously heated and warmed in a heating warming cavity A, and then flows out from a condensation side air supply port 13 and returns to the oven 14. The other path of the air enters an evaporation mixing cavity C through an electric air valve 7 with a third adjustable angle, under the action of an evaporation circulating fan 5, high-temperature and high-humidity hot air is subjected to heat release in a cooling process through an evaporator 4 to become medium-temperature and low-humidity air, meanwhile, moisture in the hot air is condensed by the evaporator 4 and is discharged through a water receiving disc (not shown in the figure) of a heat pump unit 1, the medium-temperature and low-humidity air enters a mixing condensation cavity B through an electric air valve 2 with a second adjustable angle and is mixed with the high-temperature air in the other path, the air is subjected to heat absorption and further temperature rise through a condenser 11 under the action of a condensation circulating fan 10, finally, the air is subjected to temperature rise again through an electric auxiliary heater 12 to enter a heating and temperature rise cavity A, the high-temperature hot air is sent to an oven 14 through an air port 13; in the whole dehumidification process, the opening angle of the electric air valve 7 with the third adjustable angle is adjusted through the change of the input voltage to control the dehumidification capacity and the heating effect, so that the temperature in the oven 14 is not greatly fluctuated, and meanwhile, the functional requirements of drying and dehumidification can be met.
Referring to fig. 2, the first angle-adjustable electric air valve 6 and the evaporation side air outlet 3 are both opened, the second angle-adjustable electric air valve 2 and the third angle-adjustable electric air valve 7 are both closed, the outside air passes through the mixed evaporation cavity C and the evaporator 4, and is discharged outside from the evaporation side air outlet, and at this time, the opening and closing dual-mode combined drying system is an evaporator heat exchange process.
Referring to fig. 2, the fourth angle-adjustable electric air valve 9 is opened, the second angle-adjustable electric air valve 2 and the third angle-adjustable electric air valve 7 are both closed, the oven return air chamber D is communicated with the hybrid condensation chamber B, and the opening and closing dual-mode combined drying system is a condenser heat exchange process.
It should be noted that, utilize the utility model discloses an foretell switching bimodulus convolution type drying system based on heat pump technology still has the theory of operation of evaporator heat transfer, the theory of operation of condenser heat transfer, specifically as follows:
the working principle of evaporator heat exchange is as follows: the outside air enters the mixed evaporation cavity C through the electric air valve 6 with the first adjustable angle, and under the action of the evaporation circulating fan 5, heat is released through the evaporator 4, the evaporator 4 absorbs the heat, and the outside air is discharged to the outside atmosphere through the evaporation side air outlet 3 after the temperature of the outside air is reduced, so that a heat exchange cycle is completed.
The working principle of heat exchange of the condenser is as follows: air in the oven 14 passes through the oven mixing cavity D, passes through the electric air valve 9 with the fourth angle adjustable, enters the mixing condensation cavity B under the action of the condensation circulating fan 10, absorbs condensation heat through the condenser 11, is further heated through the electric auxiliary heater 12 after the temperature is increased, enters the heating temperature-increasing cavity A, then returns to the oven 14 through the condensation side air inlet 13, and completes a heat exchange cycle.
As above, the utility model relates to a switching bimodulus convolution type drying system based on heat pump technology has following beneficial effect:
after the utility model utilizes the above-mentioned switching bimodulus convolution type drying system based on heat pump technology, compared with the prior art, owing to adopted this kind of structure, realize open intensification heating and closed dehumidification heat recovery function, and utilize the electronic blast gate of first adjustable angle, the electronic blast gate of second adjustable angle, the electronic blast gate of third adjustable angle, the electronic blast gate of fourth adjustable angle and evaporate the side air outlet combination switching, realize the bimodulus switching of open stoving dehumidification mode and closed stoving dehumidification mode, overcome the defect of single mode, realized high-efficient stoving dehumidification effect; meanwhile, the rotating speed of the circulating fan at the evaporation side is regulated and controlled in the dehumidification process to realize the control of the evaporation temperature at the evaporation side, so that the dehumidification efficiency is improved; but also can utilize the electronic blast gate of change regulation control angle regulation through input voltage, but make angle regulation's electronic blast gate realize that the difference of opening the angle satisfies different functional requirements, convenient to use.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (1)

1. The utility model provides an opening and closing bimodulus convolution type drying system based on heat pump technology which characterized in that: the drying heat pump unit is internally provided with a heating temperature-rising cavity, a mixing condensation cavity, a mixing evaporation cavity and an oven air return cavity, and also comprises an evaporator and an evaporation side speed-regulating circulating fan which are positioned in the mixing evaporation cavity, a condenser and a condensation side circulating fan which are positioned in the mixing condensation cavity, and an electric auxiliary heater which is positioned in the heating temperature-rising cavity, wherein the evaporation side speed-regulating circulating fan is opposite to the evaporator, the condensation side circulating fan is opposite to an air inlet of the condenser, the electric auxiliary heater is opposite to an air outlet of the condenser, and two sides of the evaporator and two sides of the condenser are respectively provided with a baffle plate connected with the drying heat pump unit;
the drying and dehumidifying box positioned in the mixing evaporation cavity is provided with an evaporation side air outlet and a first angle-adjustable electric air valve for controlling the entering of outside air, the mixing evaporation cavity and the oven air return cavity are arranged on the same side of the drying and dehumidifying box side by side, the heating temperature-rising cavity is arranged at the other side of the drying and dehumidifying box, the mixing condensing cavity is arranged between the heating temperature-rising cavity and the mixing evaporation cavity as well as between the mixing evaporation cavity and the mixing condensing cavity, a second angle-adjustable electric air valve is arranged between the mixing evaporation cavity and the mixing condensing cavity, a third angle-adjustable electric air valve is arranged between the mixing evaporation cavity and the drying box air-returning cavity, a fourth angle-adjustable electric air valve is arranged between the drying box air-returning cavity and the mixing condensing cavity, the air return cavity of the oven is provided with a condensation side air return opening for communicating the oven, the heating and temperature rising cavity is provided with a condensation side air supply opening for communicating the oven, and the mixing and evaporating cavity is provided with an evaporation side air outlet;
the first angle-adjustable electric air valve, the third angle-adjustable electric air valve, the fourth angle-adjustable electric air valve and the evaporation side air outlet are all opened, the second angle-adjustable electric air valve is closed, so that the oven sequentially forms a passage with the oven air return cavity, the mixed condensation cavity and the heating and warming cavity, external air enters from the first angle-adjustable electric air valve and forms another passage with the oven, the oven air return cavity, the mixed evaporation cavity and the evaporation side air outlet, and at the moment, the opening and closing dual-mode combined drying system is switched into an open drying and dehumidifying mode drying system;
the second angle-adjustable electric air valve, the third angle-adjustable electric air valve and the fourth angle-adjustable electric air valve are all opened, and the first angle-adjustable electric air valve and the evaporation side air outlet are closed, so that the oven, the oven return air cavity, the mixed condensation cavity and the heating and warming cavity form a passage in sequence; and the air return cavity of the oven, the electric valve with the third adjustable angle, the mixing evaporation cavity and the mixing condensation cavity form another passage, and the opening-closing dual-mode combined drying system is switched to a drying system in a closed drying and dehumidifying mode.
CN201920490722.8U 2019-04-10 2019-04-10 Opening and closing dual-mode combined drying system based on heat pump technology Active CN210425803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920490722.8U CN210425803U (en) 2019-04-10 2019-04-10 Opening and closing dual-mode combined drying system based on heat pump technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920490722.8U CN210425803U (en) 2019-04-10 2019-04-10 Opening and closing dual-mode combined drying system based on heat pump technology

Publications (1)

Publication Number Publication Date
CN210425803U true CN210425803U (en) 2020-04-28

Family

ID=70361567

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920490722.8U Active CN210425803U (en) 2019-04-10 2019-04-10 Opening and closing dual-mode combined drying system based on heat pump technology

Country Status (1)

Country Link
CN (1) CN210425803U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044143A (en) * 2019-04-10 2019-07-23 中山市爱美泰电器有限公司 A kind of opening and closing bimodulus mating type drying system based on heat pump techniques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044143A (en) * 2019-04-10 2019-07-23 中山市爱美泰电器有限公司 A kind of opening and closing bimodulus mating type drying system based on heat pump techniques

Similar Documents

Publication Publication Date Title
CN107830705A (en) A kind of novel high-efficiency and energy-saving heat pump double back heated drying system
CN107255411B (en) Multifunctional heat pump drying device
CN205843311U (en) A kind of Novel multifunctional heat pump drying all-in-one
CN205561498U (en) Joint hot air drying device of full -automatic high -efficient low temperature dehumidification
CN110044143A (en) A kind of opening and closing bimodulus mating type drying system based on heat pump techniques
CN210425803U (en) Opening and closing dual-mode combined drying system based on heat pump technology
CN207527938U (en) Combined drying system
CN110254046A (en) A kind of plastic rotogravure press ink drying energy saver
CN206638011U (en) A kind of multifunctional heat pump type dryer
CN209341703U (en) A kind of heat pump dryer
CN209763716U (en) Energy-saving drying system
CN109458801A (en) A kind of heat pump dryer
CN209415908U (en) A kind of combined heat pump dehumidifying integrated machine of the dual heat recovery function of band
CN210663658U (en) Heat pump dryer
CN210242187U (en) Agricultural and sideline product drying system based on heat pump technology
CN109099696A (en) A kind of solar-assisted heat pump drying system method and device
CN204535296U (en) A kind of cold, hot two-purpose type drying box
CN209431837U (en) A kind of high temperature modification four-way intelligence dryer
CN209431835U (en) A kind of four-way intelligence dryer
CN209431840U (en) A kind of high temperature modification two-channel intelligent dryer
CN208520100U (en) A kind of recuperation of heat high temperature heat pump barn
CN209431839U (en) A kind of two-channel intelligent dryer
CN207280152U (en) A kind of partial air dehumidifying Analysis of Heat Pump Drying System for high temperature production technology
CN206989667U (en) Multifunctional heat pump drying unit
CN207849747U (en) A kind of thermal balance air energy heat pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant