CN202281466U - Solar heat pump drying system for silkworm cocoons - Google Patents

Solar heat pump drying system for silkworm cocoons Download PDF

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Publication number
CN202281466U
CN202281466U CN2011204154161U CN201120415416U CN202281466U CN 202281466 U CN202281466 U CN 202281466U CN 2011204154161 U CN2011204154161 U CN 2011204154161U CN 201120415416 U CN201120415416 U CN 201120415416U CN 202281466 U CN202281466 U CN 202281466U
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China
Prior art keywords
drying
heat pump
air
valve
drying box
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CN2011204154161U
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Chinese (zh)
Inventor
赖学江
江燕涛
郭兆均
李锐
谢爱霞
张忠进
蔡华强
叶彪
陈炎
李树果
黎泽伟
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赖学江
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Priority to CN2011204154161U priority Critical patent/CN202281466U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Abstract

A solar heat pump drying system for silkworm cocoons comprises a frequency conversion compressor, a liquid storage device, a condenser, a thermostatic expansion valve, a dehumidification evaporator, a heat pump evaporator, an axial flow fan, a drying box, a solar air heat collector, an air duct pipeline air valve, a dryer inlet air temperature detector, a dryer outlet air humidity detector, a silkworm cocoon drying rate weighing detection and measurement device, a heat collector air inlet pipe resistance regulation valve, a heat collector outlet temperature detector and a refrigerant bypass solenoid valve. The solar heat pump drying system for the silkworm cocoons combines drying of solar energy and a heat pump, fully plays to the advantages of a solar dehumidification drying method and a heat pump dehumidification drying method, saves energy, is free of pollution, can continuously carry out drying operation, learns from strong points to offset weakness, recovers disadvantages of the two methods, improves energy utilization rate, and successfully solves the problems of high energy consumption of drying by utilizing the traditional hot wind cocoon stove and weather condition limitation of drying by utilizing the solar energy. The solar heat pump drying technology can meet temperature and humidity requirements of the silkworm cocoon drying technology and facilitates energy saving and environment protection due to efficient use of the solar energy.

Description

Solar heat pump silk cocoon drying system

Technical field

The utility model relates to a kind of solar heat pump drying system.

Background technology

The design of silk cocoon drying unit must be followed the characteristic of cocoon drying, and cocoon drying mainly is the most of moisture of removing in the bright cocoon except that requiring in time to kill silkworm chrysalis, preventing that emergence and cocoon layer steaming from going rotten, and particularly dries pupal cell.The temperature of the deadly pupal cell of solar energy dried cocoon method is 78 ℃, and than 82 ℃ low slightly of traditional cocoon kitchen range dried cocoon methods, but its lethal time is 50min, and is longer than traditional cocoon kitchen range dried cocoon method 30min.The temperature that solar energy dried cocoon method pupal cell is fitted when doing is 82 ℃, than 90 ℃ low slightly of traditional cocoon kitchen range dried cocoon methods.But the cocoon kitchen range dried cocoon method that whole solar energy dried cocoon method of used time of cocoon drying process is more traditional is long, and the solar energy dried cocoon method cocoon drying time is 12 hours, and traditional cocoon kitchen range is 6.5 hours.Low temperature drying is favourable to the elongation of raw silk, and the cocoon drying time is short favourable to the powerful quality of raw silk.The dehumidifier function that heat pump has has advantage to dry silk cocoon; Can carry out dehumidifier to the air that from hothouse, comes out, the moisture that helps the silk cocoon pupal cell is separated out, and avoids the silk gum sex change effectively; Save cocoon quality from damage; The conventional hot blast kitchen range of its dry time ratio will be lacked, and the low of the also comparable hot blast kitchen range of air themperature in the hothouse just can be dehumidified to silk cocoon, and heat pump drying device is designed to 85 ℃ in the intake air temperature of constant rate drying period drier.Solar energy and heat pump united drying are brought into play the advantage of solar energy and two kinds of methods of heat pump removal moisture drying fully; Both energy-conservation, pollution-free; Continuously-running carries out drying operation again, learns from other's strong points to offset one's weaknesses each other, has remedied defective separately; Improved the capacity usage ratio of system, also successful solution the high and solar drying of traditional hot blast cocoon kitchen range oven dry energy consumption receive the problem of weather condition restriction.The solar heat pump dry technology can satisfy the needed temperature and humidity requirement of silk cocoon stoving process, and because the efficient solar energy that uses helps energy-conserving and environment-protective.

Summary of the invention

The purpose of the utility model provides a kind of solar heat pump silk cocoon drying system, successful solution the high and solar drying of traditional hot blast cocoon kitchen range oven dry energy consumption receive the problem of weather condition restriction.

The utility model is weighed by the humidity measurement instrument of working off one's feeling vent one's spleen, the silk cocoon baking rate of frequency-changeable compressor, reservoir, condenser, heating power expansion valve, dehumidifying evaporimeter, evaporator with heat pump, axial flow blower, drying box, solar energy air heat collector, airduct pipeline air-valve, drying box intake air temperature detector, drying box and is detected measurement mechanism, heat collector blast pipe resistance control valve, heat collector outlet temperature detector, refrigerant bypass magnetic valve and form; The exhaust end of the frequency-changeable compressor condenser interior with being contained in drying box is connected; Condenser is connected with reservoir; Reservoir and heating power expansion valve, the dehumidifying evaporimeter, the evaporator with heat pump that are contained in the airduct are connected; The evaporating pressure of heating power expansion valve control dehumidifying evaporimeter and evaporator with heat pump, the back-steam of evaporator with heat pump is got back to the inlet of compressor, and heat pump condenser, dehumidifying evaporimeter are placed in the airduct; Be provided with axial flow blower in the airduct; Solar energy air heat collector is connected the access drying box with airduct, air-valve M1, air-valve M2, air-valve M3, air-valve M4, air-valve M5 have been installed in the airduct pipeline, through opening the different system start and stop of different air-valves control solar heat pump drying systems; Place the silk cocoon shelf in the drying box; Silk cocoon is dry on shelf, is provided with the intake air temperature detector of drying box at drying box inlet, condensator outlet place, is provided with the humidity measurement instrument of giving vent to anger of drying box in the outlet of drying box; The silk cocoon shelf held silk cocoon baking rate detection measurement mechanism of weighing; Heat collector blast pipe resistance control valve is housed under the solar energy air heat collector, on heat collector outlet temperature detector is housed, between reservoir and evaporator with heat pump, be connected with the refrigerant bypass magnetic valve.

The utility model solar energy and heat pump united drying are brought into play the advantage of solar energy and two kinds of methods of heat pump removal moisture drying fully; Both energy-conservation, pollution-free; Continuously-running carries out drying operation again, learns from other's strong points to offset one's weaknesses each other, has remedied defective separately; Improved the capacity usage ratio of system, also successful solution the high and solar drying of traditional hot blast cocoon kitchen range oven dry energy consumption receive the problem of weather condition restriction.The solar heat pump dry technology can satisfy the needed temperature and humidity requirement of silk cocoon stoving process, and because the efficient solar energy that uses helps energy-conserving and environment-protective.

Description of drawings

Fig. 1 is the utility model structural representation.

The specific embodiment

As shown in Figure 1, frequency-changeable compressor 1, reservoir 2, condenser 3, heating power expansion valve 4, dehumidifying evaporimeter 5, evaporator with heat pump 6, axial flow blower 7, drying box 8, solar energy air heat collector 9, air-valve M1, air-valve M2, air-valve M3, air-valve M4, air-valve M5, drier intake air temperature detector 11, the humidity measurement instrument 12 of working off one's feeling vent one's spleen of drier, silk cocoon baking rate are weighed and are detected measurement mechanism 13, heat collector blast pipe resistance control valve 14, heat collector outlet temperature detector 15, refrigerant bypass magnetic valve 16 in the utility model.

The exhaust end of frequency-changeable compressor 1 is connected with condensers in being installed in drying box 8; Condenser 3 is connected with reservoir 2; Reservoir 2 and heating power expansion valve 4, the dehumidifying evaporimeter 5, the evaporator with heat pump 6 that are contained in the airduct are connected; The evaporating pressure of heating power expansion valve 4 control dehumidifying evaporimeters 5 and evaporator with heat pump 6, the back-steam of evaporator with heat pump 6 is got back to the inlet of frequency-changeable compressor 1.It is solar energy drying operating mode, heat pump operating mode, three kinds of situation of combined solar energy heat pump work operating mode that the air of airduct pipeline flows away to being divided into.During the solar energy drying operating mode; Frequency-changeable compressor 1 is not worked, and air-valve M3, air-valve M4 close, and the house steward's of air collector thermal air current gets into drying box 8 through axial flow blower 7, air-valve M1, the heat pump condenser 6 of flowing through; Silk cocoon heat exchange in hot blast and the drying box 8 on the silk cocoon shelf; The exhaust of drying box 8 is through being equipped with the airduct of dehumidifying evaporimeter 5, and the air-valve M2 that flows through of the air after the dehumidifying sends into the inlet manifold of solar energy air heat collector 9, and house steward's air distribution is to each heat collector; Air obtains solar energy in heat collector, the axial flow blower 7 in the system is all opened.During the heat pump operating mode; Air-valve M3 opens, and air-valve M1, M2 close, and the blower fan of solar energy airduct stops; Frequency-changeable compressor 1 is opened; 5 dehumidifying of dehumidifying evaporimeter are blown in the part exhaust of drying box 8, and the part exhaust is blown over condenser 3 through air-valve M3, axial flow blower 7 and got into drying box 8, and silk cocoon heat exchange, air-valve M5 in hot blast after condenser 3 heating and the drying box 8 on the silk cocoon shelf partly open the capacity that can regulate drying box 8.Air-valve M3, M4 close, and air-valve M1, M2 open, and the blower fan of solar energy airduct is opened; Frequency-changeable compressor 1 is opened, and be the combined solar energy heat pump drying system this moment, and the house steward's of air collector thermal air current is flowed through through axial flow blower 7, air-valve M1 and got into drying box 8 after heat pump condenser 3 heats up; The heat hot blast that air obtains from condenser 3, this moment the compressor 7 heating capacities=required heat of silk cocoon-acquisition solar energy, the solar energy of acquisition is many more; Compressor 7 heating capacities also just can lack more; Reach energy-conservation purpose, partly open, reach the purpose of the capacity of regulating drying box 8 through regulating M5.

1. through opening the different system start and stop of different air-valve control solar heat pump drying systems, reach the optimized operation of system.

Air-valve M3, M4 close, and air-valve M1, M2 open, and all blower fan is opened; Frequency-changeable compressor stops; Be the operation of independent solar energy drying system this moment, and the solar energy that this operating mode is fit to obtain satisfies the state that the required heat of dry silk cocoon and stoving process require, with 15 judgements of solar energy air heat collector outlet temperature detector; Temperature adopts independent solar energy drying system operation during more than or equal to 78 ℃.Air-valve M3 opens, and air-valve M1, M2 close, and the blower fan of solar energy airduct stops, and frequency-changeable compressor 1 is opened, and be independent heat pump drying system operation this moment, when this operating mode is fit to not have solar energy fully.Air-valve M3, M4 close, and air-valve M1, M2 open, and the blower fan of solar energy airduct is opened, and frequency-changeable compressor 1 is opened, and be the combined solar energy heat pump drying system this moment.

2. adopt the intake air temperature of frequency-changeable compressor control drier

The cocoon drying process is divided warm-up phase, constant-rate drying period, 1 section of falling rate of drying, 2 sections of falling rate of drying; The drying box intake air temperature of each section correspondence is respectively 83 ℃, 83 ℃, 80 ℃, 70 ℃; The design detects through drying box 8 intake air temperature and adopts converter technique to control the rotating speed of compressor 1, thereby obtains the intake air temperature of the demands of different of drying box 8.

3. adopt the switching of weight method control drying stage

The baking rate of silk cocoon=(weight of the weight/bright cocoon of dry back silk cocoon) * 100% is installed an electronic scale treasure in the bottom of silk cocoon shelf, and the data that record input computer carries out the baking rate and calculates.When the baking rate reached 62%, the intake air temperature of drier was set and is changed 80 ℃ into, and when the baking rate reached 34%, the intake air temperature of drier was set and changed 70 ℃ into, and when the baking rate reached 25%, dry oven dry finished.Adopt the baking rate as control parameter control drying course, will save the energy and obtain better product quality than the employing method control drying course regularly of routine.

4. the humidity of measuring the outlet of drier 8 is controlled the unlatching of refrigerant bypass magnetic valve, reaches energy-conservation purpose

If the humidity measurement instrument of the outlet of drier 12 indication humidity are lower than 70%; Then open refrigerant bypass magnetic valve 16, refrigerant bypass does not have cold-producing medium dehumidifying evaporimeter 5 coil pipes of flowing through; Temperature can not descend when this moment, return-air was through dehumidifying evaporimeter 5; The condenser 3 required heats that offer drying box 8 reduce, and refrigeration compressor 1 required acting reduces, and reaches purpose of energy saving.

Claims (1)

1. solar heat pump silk cocoon drying system; Weigh by the humidity measurement instrument of working off one's feeling vent one's spleen, the silk cocoon baking rate of frequency-changeable compressor, reservoir, condenser, heating power expansion valve, dehumidifying evaporimeter, evaporator with heat pump, axial flow blower, drying box, solar energy air heat collector, airduct pipeline air-valve, drying box intake air temperature detector, drying box and to detect measurement mechanism, heat collector blast pipe resistance control valve, heat collector outlet temperature detector, refrigerant bypass magnetic valve and form; The exhaust end condenser (3) interior with being contained in drying box (8) that it is characterized in that frequency-changeable compressor (1) is connected; Condenser (3) is connected with reservoir (2); Reservoir (2) and heating power expansion valve (4), the dehumidifying evaporimeter (5), the evaporator with heat pump (6) that are contained in the airduct are connected; The evaporating pressure of heating power expansion valve (4) control dehumidifying evaporimeter (5) and evaporator with heat pump (6), the back-steam of evaporator with heat pump (6) is got back to the inlet of compressor (1), and heat pump condenser (3), dehumidifying evaporimeter (5) are placed in the airduct; Be provided with axial flow blower (7) in the airduct; Solar energy air heat collector (9) is connected access drying box (8) with airduct, air-valve M1, M2, M3, M4, five air-valves of M5 have been installed in the airduct pipeline, through opening the different system start and stop of different air-valves control solar heat pump drying systems; Place the silk cocoon shelf in the drying box (8); Silk cocoon is dry on shelf, is provided with the intake air temperature detector (11) of drying box (8) in drying box (8) inlet, condenser (3) exit, is provided with the humidity measurement instrument of giving vent to anger (12) of drying box (8) in the outlet of drying box (8); Silk cocoon shelf held silk cocoon baking rate is weighed and is detected measurement mechanism (13); Heat collector blast pipe resistance control valve (14) is housed under the solar energy air heat collector (9), on heat collector outlet temperature detector (15) is housed, between reservoir (2) and evaporator with heat pump (6), be connected with refrigerant bypass magnetic valve (16).
CN2011204154161U 2011-10-19 2011-10-19 Solar heat pump drying system for silkworm cocoons CN202281466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204154161U CN202281466U (en) 2011-10-19 2011-10-19 Solar heat pump drying system for silkworm cocoons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204154161U CN202281466U (en) 2011-10-19 2011-10-19 Solar heat pump drying system for silkworm cocoons

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103471354A (en) * 2013-09-10 2013-12-25 邓州丰奇集团肥业有限公司 Multifunctional subsidiary agricultural product drying chamber
CN103727772A (en) * 2014-01-16 2014-04-16 云南师范大学 Heat pump drying and heating system powered by solar energy and wind energy in complementary mode
CN104390435A (en) * 2014-11-29 2015-03-04 中山市隐福电器有限公司 Drying machine
CN104567330A (en) * 2014-12-31 2015-04-29 伯恩太阳能科技有限公司 Intelligent internet of things drying device
CN105509417A (en) * 2016-01-07 2016-04-20 廊坊华日家具股份有限公司 Hardwood variable-frequency combined energy-saving drying system and drying method
CN105546964A (en) * 2015-12-09 2016-05-04 上海理工大学 Solar energy and heat pump combined drying system
CN106152763A (en) * 2015-05-06 2016-11-23 冯卓林 A kind of air-dried type drying device
EP3139119A1 (en) * 2015-05-15 2017-03-08 Goncalo Nuno Figueiredo Costa Martins Method for the automation of the operation mode of a hybrid solar dryer for plants and respecitive hybrid solar dryer
CN108168255A (en) * 2017-12-19 2018-06-15 常州市鼎日环保科技有限公司 A kind of cocoon drying device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103471354A (en) * 2013-09-10 2013-12-25 邓州丰奇集团肥业有限公司 Multifunctional subsidiary agricultural product drying chamber
CN103471354B (en) * 2013-09-10 2015-02-25 邓州丰奇集团肥业有限公司 Multifunctional subsidiary agricultural product drying chamber
CN103727772A (en) * 2014-01-16 2014-04-16 云南师范大学 Heat pump drying and heating system powered by solar energy and wind energy in complementary mode
CN104390435A (en) * 2014-11-29 2015-03-04 中山市隐福电器有限公司 Drying machine
CN104567330A (en) * 2014-12-31 2015-04-29 伯恩太阳能科技有限公司 Intelligent internet of things drying device
CN104567330B (en) * 2014-12-31 2016-12-14 伯恩太阳能科技有限公司 A kind of Intelligent internet of things drying unit
CN106152763B (en) * 2015-05-06 2019-04-26 冯卓林 A kind of air-dried type drying device
CN106152763A (en) * 2015-05-06 2016-11-23 冯卓林 A kind of air-dried type drying device
EP3139119A1 (en) * 2015-05-15 2017-03-08 Goncalo Nuno Figueiredo Costa Martins Method for the automation of the operation mode of a hybrid solar dryer for plants and respecitive hybrid solar dryer
CN105546964A (en) * 2015-12-09 2016-05-04 上海理工大学 Solar energy and heat pump combined drying system
CN105509417A (en) * 2016-01-07 2016-04-20 廊坊华日家具股份有限公司 Hardwood variable-frequency combined energy-saving drying system and drying method
CN108168255A (en) * 2017-12-19 2018-06-15 常州市鼎日环保科技有限公司 A kind of cocoon drying device

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