CN103202520B - Edible fungus dried air circulation treatment device - Google Patents

Edible fungus dried air circulation treatment device Download PDF

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Publication number
CN103202520B
CN103202520B CN201310157890.2A CN201310157890A CN103202520B CN 103202520 B CN103202520 B CN 103202520B CN 201310157890 A CN201310157890 A CN 201310157890A CN 103202520 B CN103202520 B CN 103202520B
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air
gas collection
liquid collecting
pipe
tube
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CN103202520A (en
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张忠斌
黄虎
鹿世化
李克成
张敬坤
汪庆
张文进
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TAIZHOU NANFENG COLD CHAIN CO Ltd
Nanjing Normal Univ
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TAIZHOU NANFENG COLD CHAIN CO Ltd
Nanjing Normal Univ
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying

Abstract

The invention discloses an edible fungus dried air circulation treatment device which comprises a baking chamber, an air treatment unit, an air supply header pipe, an air mixing device, and an air supply pore plate and an air return pore plate which are arranged in the baking chamber in parallel, wherein the baking chamber is segmented into an air supply static pressure space, an air return static pressure space and a baking workshop; the air treatment unit consists of an air inlet, a solid adsorption and dehumidification device, a heat pump loop, a fan, an auxiliary electric heater and an air outlet; the heat pump loop consists of a condenser and three groups of compressors and an evaporator assembly which are arranged in parallel; and the compressors and the evaporator assembly comprise an expansion valve, an evaporator and compressors which are sequentially connected. By employing the parallel air supply mode and the general-branch-general-branch refrigerant distribution mode, the air distribution is improved, and the uniformity and stability of the air flow and temperature field in the baking chamber during operation are guaranteed, so that the consistency of the baking effect is guaranteed, and the energy consumption in the process of operating the baking chamber at a low load is reduced.

Description

A kind of edible mushroom drying air cyclic processing device
Technical field
The invention belongs to Building Environment and Equipment Engineering technical field, relate to a kind of air circulating treating system, be specifically related to a kind of edible mushroom drying air circulating treating system.
Background technology
Bakery is widely used in oven dry preservation and the flavoured food processing of agricultural product more than needed.The more bakery of current use is the hot-air convection formula drying equipment of application flue gas heating, and its heating mode mostly is a stove one chimney tempering temperature lifting type drying room.This traditional bakery equipment is simple, and initial cost is less, be still that vast rural area is used, but also there is baking inefficiency, dry quality of food not good, toast the series of problems such as complicated operation and environmental pollution.
In order to solve the series of problems that traditional bakery brings, scientific research personnel is through long-term unremitting effort, propose multiple different traditional bakery renovation technique and Novel baking technology facilitates the development of baking technology greatly to the utilization of the cleaning new energy such as introducing and solar energy improving baking quality and efficiency, particularly heat pump techniques.Utility model patent (application number: 2012206509863) the mushroom house drying device (see Fig. 1) of a kind of air source heat pump and solar-heating coupling, described drying device is coupled to form by air source heat pump and solar-heating two parts, significantly reduce environmental pollution and energy consumption, greatly reduce labour cost simultaneously.But its air-supply humiture and air current composition uneven, considerable influence baking quality, in the middle of being embodied in baking vessel, cured effect is good, and surrounding baking quality is poor.
Utility model patent CN 201976709 U edible fungus drying equipment (see Fig. 2) adopts the mode of many gas channels to organize air-supply air-flow, is divided into multiple Vertical Channel by baking vessel's equalization, is provided with pressure fan above each passage.This structure improves air-supply humiture and air current composition in single gas channel to a certain extent, thus ensures that baking quality is more consistent.But be difficult to again ensure that between each gas channel, air current composition is even structure, thus cause the difference of dry mass between each gas channel, adopt multi fan air-supply to make operation energy consumption increase in addition, run counter to the aim of energy-saving and emission-reduction.
In addition, it should be noted that only single dependence is improved bakery air-supply structure and be difficult to thoroughly to solve air-supply humiture and the uneven problem of air current composition.Good Air Distribution depends on the air-treatment performance of air-treatment unit, is only improved the uniformity that air processing machine group performance fundamentally could realize processing rear air-flow.Heat exchanger in the air-treatment unit of existing large-scale bakery adopts the independent heat pump heat exchange coil of many groups in the mode of wind side parallel combination.The defect of this parallel way is: (1), when the underrun of air-treatment unit, only has part heat pump to run, at this moment process after air themperature and humidity uneven.(2) when the underrun of air-treatment unit, can only utilize a part for heat exchange coil, the utilization rate of heat exchange coil is very low.(3) due to many group systems independent operating, can not ensure the uniformity processing rear air, especially when the air entering air-treatment unit is uneven, many group systems are difficult to effective coordination, and after process, the inhomogeneities of air can increase further.
Summary of the invention
Technical problem: the defect existed for prior art, the invention provides a kind of edible mushroom drying air cyclic processing device, this system effectively can improve the uniformity of the rear air themperature of process and humidity, improve Air Distribution, thus ensure that cured effect uniformity, also reduce energy consumption during bakery underrun simultaneously.In addition, compared with traditional bakery, this system environments is polluted little, operates more convenient, and baking efficiency is high, and dries quantity is good.
Technical scheme: edible mushroom drying air cyclic processing device of the present invention, comprise baking vessel, air-treatment unit, header pipe, air mixing device, be set in parallel in air-supply orifice plate in baking vessel and return air orifice plate, baking vessel is divided into three regions by air-supply orifice plate and return air orifice plate, be respectively air-supply static pressure space and the return air static pressure space of both sides, and the baking workplace of centre; Air-treatment unit is positioned at the outside in return air static pressure space, and air-treatment unit is communicated with air-supply static pressure space by header pipe, and air mixing device is arranged in header pipe's pipeline.
The air inlet that air-treatment unit is set gradually by the direction of flowing along air, solid adsorption dehumidification device, heat pump circuit, blower fan, auxiliary electrical heater and air outlet form.
Heat pump circuit comprises condenser and the three groups of compressors be arranged in parallel and evaporator assembly, compressor and evaporator assembly comprise the expansion valve, evaporimeter and the compressor that are connected successively, three groups of compressors are connected with the refrigerant outlet of condenser respectively with the refrigerant inlet of expansion valve in evaporator assembly, and the refrigerant outlet of compressor is connected with the refrigerant inlet of condenser respectively.
Condenser comprises the gas collection mixing arrangement connected successively, snakelike tube bank and liquid collecting mixing arrangement.Gas collection mixing arrangement comprises in gas collection the gas collection outer tube managing and be enclosed within pipe outside in gas collection, space in gas collection between pipe and gas collection outer tube is gas collection static pressure layer, in gas collection, upper three refrigerant inlet arranged of pipe are the refrigerant inlet of condenser, in gas collection, three refrigerant inlet of pipe are corresponding with the compressor in three groups of compressors and evaporator assembly respectively connects, and gas collection outer tube is connected with the import of snakelike tube bank.
Liquid collecting mixing arrangement comprises in liquid collecting the liquid collecting outer tube managing and be enclosed within pipe outside in liquid collecting, space in liquid collecting between pipe and liquid collecting outer tube is liquid collecting static pressure layer, in liquid collecting, pipe is connected with the outlet of snakelike tube bank, three refrigerant outlets that liquid collecting outer tube is arranged are the refrigerant outlet of condenser, and three refrigerant outlets of liquid collecting outer tube are corresponding with the expansion valve in three groups of compressors and evaporator assembly respectively to be connected.
In the present invention, in gas collection pipe tube wall on be evenly distributed with the vent ports be communicated with gas collection static pressure layer, in liquid collecting pipe tube wall on be evenly distributed with the discharge opeing aperture be communicated with liquid collecting static pressure layer.
In the present invention, manage and be enclosed within the double-decker of the outer tube of interior pipe outside in gas collection mixing arrangement adopts, between inner and outer tubes, space is static pressure layer, and static pressure layer rises and gaseous refrigerant is fully mixed and pressure stabilization function, outer tube diameter d wwith interior pipe outside diameter d nratio d w/ d nshould be 2.5 ~ 3.5.Ratio hour mixing is poor with voltage regulation result, and resistance is large; When ratio is excessive, mixing and voltage stabilizing imitates increase rate and are reduced, and metal consumption is greatly, less economical.Interior pipe is evenly arranged vent ports, makes gaseous state cryogen be diffused into static pressure layer from pipe in gas collection mixing arrangement uniformly, and in order to improve the uniformity of diffusion and reduce diffusional resistance, the diameter of vent ports should be 1/3 of gas collection mixing arrangement diameter of inner pipe.In gas collection mixing arrangement, pipe is connected with three gaseous refrigerant imports by capillary, in order to alleviate in gas collection mixing arrangement pipe two ends on the impact of air current composition with intercapillaryly to influence each other, in diamond wool tubule to gas collection mixing arrangement, the distance at pipe two ends should be 5 times of diameter of inner pipe, i.e. 5d n, two adjacent intercapillary distances should be 2d n~ 3d n.
In the present invention, liquid collecting mixing arrangement adopts inside and outside two-layer pipe equally, and between inner and outer tubes, space is static pressure layer, and static pressure layer plays makes the well-mixed effect of liquid refrigerant, outer tube diameter d wwith interior pipe outside diameter d nratio d w/ d nshould between 1.5 ~ 2.5.Ratio hour mixed effect difference, and resistance is large; When ratio is excessive, mixing effect increase rate reduces, and metal consumption is large, less economical.Interior pipe is evenly arranged discharge opeing aperture, makes liquid refrigerant flow to static pressure layer from pipe in liquid collecting mixing arrangement uniformly, and in order to improve the uniformity of flowing and reduce flow resistance, the diameter in discharge opeing aperture should be 1/2 of gas collection mixing arrangement diameter of inner pipe.In liquid collecting mixing arrangement, pipe is connected by the outlet of capillary condensation device, in order to improve the uniformity of mixing and alleviate in liquid collecting mixing arrangement pipe two ends and intercapillaryly to interact, in diamond wool tubule to liquid collecting mixing arrangement, the distance at pipe two ends should be 2 times of diameter of inner pipe, i.e. 2d n, two adjacent intercapillary distances should be 0.5d n~ 1.5d n.
In the present invention, solid adsorption dehumidification device one is with how standby, and one group of device can use two weeks under normal circumstances continuously, energy automatic alarm when adsorbing saturated, regeneration of can being exposed to the sun under sunshine after saturated.
When edible mushroom bakery air processor runs, air side circulation is as follows: the humid air after dry edible mushroom collects and enters air-treatment unit by air inlet in return air static pressure space, through air-treatment unit dehumidifying heat up after humidity decline to a great extent, temperature recovery, recover certain drying capacity, and enter header pipe by blower fan suction; After dry air is mixed further by air mixing device in header pipe, enter air-supply static pressure space by header pipe, and fully mix wherein, humiture field is comparatively even; After this, dry air enters baking workplace by air-supply orifice plate, passes wherein and takes away edible mushroom surface moisture, progressively carry out drying to edible mushroom with certain flow velocity; Dried air humidity increases, temperature declines to some extent, comes back to return air static pressure space, complete the circulation of bakery air side like this by return air orifice plate.
In air-treatment unit, humid air is entered by air inlet, condenser is entered after solid adsorption dehumidification device dries, flow out after the abundant heat exchange of warm refrigerant in condenser surface and condenser heats up, when can not reach preset temperature under winter or limiting condition, by auxiliary electrical heater auxiliary heating, the dry air after this with uniform temperature is aspirated through air outlet through blower fan and flows out air-treatment unit.The heat pump circuit circulation of air-treatment unit is as follows: gaseous refrigerant is entered in gas collection mixing arrangement by three gaseous refrigerant imports and manages; Gaseous refrigerant is evenly diffused into gas collection mixing arrangement static pressure layer by the vent ports that pipe in gas collection mixing arrangement is evenly arranged; In gas collection mixing arrangement static pressure layer, gaseous refrigerant fully mixes; Gaseous refrigerant enters snakelike tube bank by gas collection mixing arrangement outer tube; Gaseous refrigerant in snakelike tube bank liquidation exothermic reaction by gaseous state liquefy; Liquid refrigerant enters in liquid collecting mixing arrangement from snakelike tube bank and manages; Liquid refrigerant flows to liquid collecting mixing arrangement static pressure layer from the discharge opeing aperture be evenly distributed in liquid collecting mixing arrangement pipe; In liquid collecting mixing arrangement static pressure layer, liquid refrigerant fully mixes; Liquid refrigerant enters the expansion valve of three groups of compressors and evaporator assembly respectively by three liquid refrigerant outlets on liquid collecting mixing arrangement outer tube; In compressor and evaporator assembly, liquid refrigerant enters evaporimeter by expansion valve, and in evaporimeter, liquid refrigerant heat absorption becomes gaseous state from liquid state, and gaseous refrigerant enters gaseous refrigerant import by compressor, completes circulation.
Condenser of the present invention arranges in snakelike tube bank import and outlet the exchange that gas collection mixing arrangement and liquid collecting mixing arrangement realize between three groups of compressors and evaporator assembly refrigeration working medium respectively, the basis that only can realize energy exchange at existing condenser achieves the exchange of working medium, improve the utilization ratio of condenser, improve heat exchange efficiency, the heating power reduced between the uneven refrigeration working medium caused of process is uneven, improve scope of exerting oneself and the disposal ability of air-treatment unit, improve the uniformity of air-treatment.
The present invention adopts by the air blow and return mode of the air-supply parallel air-supply of orifice plate with the parallel return air of return air orifice plate, air-supply static pressure space and return air static pressure space is furnished with respectively at air-supply orifice plate and return air orifice plate side, decrease the difference of air blow and return orifice plate pressure everywhere, thus ensure the uniformity of blast pressure and air-supply air-flow.During operation, dry air enters baking workplace with certain flow velocity from air-supply orifice plate, and bottom horizontal flow sheet wherein, there is good air current composition, be easy to obtain stable air-flow and thermo parameters method.The mode of this parallel air-supply is conducive to improving air current composition, when can ensure to run, in baking workplace, air flows and humiture field stable homogeneous, namely the environment toasted in workplace residing for edible mushroom is consistent, makes each several part degree of drying consistent, improves the factor of merit of product.
Beneficial effect: compared with existing edible mushroom drying air cyclic processing device, the present invention has the following advantages:
(1) the present invention adopts by the air blow and return mode of the air-supply parallel air-supply of orifice plate with the parallel return air of return air orifice plate, dry air enters baking workplace with certain flow velocity from air-supply orifice plate, in baking workplace, air-flow becomes bottom horizontal flow sheet, there is good air current composition, be easy to obtain stable air-flow and thermo parameters method, thus create the condition of edibility bacterium drying more.
(2) blow orifice plate and return air orifice plate of the present invention is furnished with air-supply static pressure space and return air static pressure space respectively, the air-flow entered wherein can be made to tend towards stability, reduce the inhomogeneities of air-flow, the dry air air-flow entering baking workplace from air-supply orifice plate becomes bottom horizontal flow sheet, thus improves air current composition and the temperature field of baking workplace; Reduce the difference of air blow and return orifice plate pressure everywhere simultaneously, thus ensure the uniformity of blast pressure and air-supply air-flow.
(3) condenser of the present invention only can realize refrigeration working medium and air carries out on the basis of exchange heat at existing air-treatment unit condenser, achieve the exchange of the working medium between cold-producing medium, thus difference when eliminating three groups of compressors and evaporator assembly operation between working substance thermo-dynamic property, realize the complementation of the thermodynamic properties between refrigeration working medium, alleviate the inhomogeneities in the temperature field after air-treatment to a great extent.
(4) condenser of the present invention arranges gas collection mixing arrangement and liquid collecting mixing arrangement respectively in snakelike tube bank import and outlet, cold-producing medium enters and flows out condenser respectively by gas collection mixing arrangement and liquid collecting mixing arrangement, realize the abundant mixing between refrigeration working medium, thus the heating power eliminated between refrigeration working medium is uneven.
(5) gas collection mixing arrangement of the present invention and liquid collecting mixing arrangement all adopt inside and outside two-layer pipe, and the gap between inner and outer tubes is static pressure layer, improve the mixed effect of refrigeration working medium.
(6) condenser of the present invention significantly improves heat exchange efficiency, in the underload situation only having Partial shrinkage machine and evaporator assembly to run, still can make full use of whole heat exchange coil, improve the utilization ratio of condenser, improve heat exchange efficiency.
(7) air-treatment unit of the present invention can adjust exerting oneself of compressor and evaporator assembly in real time according to payload or control the quantity that compressor and evaporator assembly run, thus expand the scope of exerting oneself of air-treatment unit, improve the flexibility of system.
(8) be furnished with air mixing device in header pipe of the present invention, air can mix further in header pipe, adds the uniformity of air-flow.
(9) header pipe of the present invention is placed in bakery top, adopts sandwich format, can make space connection and reasonable arrangement, compact conformation, air can be made again in the process flowing through header pipe to reduce whirlpool amount simultaneously, flowing is tended to be steady gradually.
Accompanying drawing explanation
Fig. 1 is the principle assumption diagram of existing mushroom house drying device;
Fig. 2 is the principle assumption diagram of existing edible fungus drying equipment;
Fig. 3 is the principle assumption diagram of edible mushroom drying air cyclic processing device of the present invention;
Fig. 4 is three groups of compressors of condenser of the present invention and the principle assumption diagram of evaporator assembly parallel way.
In figure: 1-bakery; 2-air-treatment unit; 21-air inlet; 22-solid adsorption dehumidification device; 24-auxiliary electrical heater; 25-blower fan; 26-air outlet; 3-header pipe; 4-air mixing device; 5-blows orifice plate; 6-return air orifice plate; 7-blows static pressure space; 8-return air static pressure space; 9-heat pump circuit; 91-condenser; 911-gas collection mixing arrangement; Pipe in 911-1-gas collection mixing arrangement; 911-2-gas collection mixing arrangement outer tube; 911-3-gas collection mixing arrangement static pressure layer; 911-4-vent ports; The snakelike tube bank of 912-; 913-liquid collecting mixing arrangement; Pipe in 913-1-liquid collecting mixing arrangement; 913-2-liquid collecting mixing arrangement outer tube; 913-3-liquid collecting mixing arrangement static pressure layer; 913-4-discharge opeing aperture; 921-first liquid refrigerant outlet; 922-second liquid refrigerant outlet; 923-the 3rd liquid refrigerant outlet; 931-first expansion valve; 932-second expansion valve; 933-the 3rd expansion valve; 941-first evaporimeter; 942-second evaporimeter; 943-the 3rd evaporimeter; 951-first compressor; 952-second compressor; 953-the 3rd compressor; The import of 961-first gaseous refrigerant; The import of 962-second gaseous refrigerant; 963-the 3rd gaseous refrigerant import; 10-toasts workplace.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Edible mushroom drying air cyclic processing device of the present invention, comprise bakery 1, air-treatment unit 2, header pipe 3, air mixing device 4, be set in parallel in air-supply orifice plate 5 in baking vessel and return air orifice plate 6, baking vessel is divided into three regions by air-supply orifice plate 5 and return air orifice plate 6, be respectively air-supply static pressure space 7 and the return air static pressure space 8 of both sides, and the baking workplace 10 of centre; Air-treatment unit 2 is positioned at the outside in return air static pressure space 8, and air processing machine 2 groups is communicated with air-supply static pressure space 7 by header pipe 3, and air mixing device 4 is arranged in header pipe 3 pipeline.
The air inlet 21 that air-treatment unit 2 is set gradually by the direction of flowing along air, solid adsorption dehumidification device 22, heat pump circuit 9, blower fan 24, auxiliary electrical heater 25 and air outlet 26 form.Heat pump circuit 9 comprises condenser 91 and the three groups of compressors be arranged in parallel and evaporator assembly, compressor and evaporator assembly comprise the expansion valve, evaporimeter and the compressor that are connected successively, three groups of compressors are connected with the refrigerant outlet of condenser 91 respectively with the refrigerant inlet of expansion valve in evaporator assembly, and the refrigerant outlet of compressor is connected with the refrigerant inlet of condenser 91 respectively.
Condenser 91 comprise connect successively gas collection mixing arrangement 911, snakelike tube bank 912 and liquid collecting mixing arrangement 913.Gas collection mixing arrangement 911 comprises pipe 911-1 and the gas collection outer tube 911-2 being enclosed within pipe 911-1 outside in gas collection in gas collection, space in gas collection between pipe 911-1 and gas collection outer tube 911-2 is gas collection static pressure layer 911-3, three refrigerant inlet in gas collection, pipe 911-1 arranged are the refrigerant inlet of condenser 91, in gas collection, three refrigerant inlet of pipe 911-1 are connected with the compressor in a compressor and evaporator assembly respectively, and gas collection outer tube 911-2 is connected with the import of snakelike tube bank 912.
Liquid collecting mixing arrangement 913 comprises pipe 913-1 and the liquid collecting outer tube 913-2 being enclosed within pipe 913-1 outside in liquid collecting in liquid collecting, space in liquid collecting between pipe 913-1 and liquid collecting outer tube 913-2 is liquid collecting static pressure layer 913-3, in liquid collecting, pipe 913-1 is connected with the outlet of snakelike tube bank 912, three refrigerant outlets that liquid collecting outer tube 913-2 is arranged are the refrigerant outlet of condenser 91, and three refrigerant outlets of liquid collecting outer tube 913-2 are connected with the expansion valve in a compressor and evaporator assembly respectively.In gas collection pipe 911-2 tube wall on be evenly distributed with the vent ports 911-4 be communicated with gas collection static pressure layer 911-3, in liquid collecting pipe 913-1 tube wall on be evenly distributed with the discharge opeing aperture 913-4 be communicated with liquid collecting static pressure layer 913-3.
In a preferred embodiment of the invention, gas collection mixing arrangement 911 adopts interior pipe 911-1 and is enclosed within the double-decker of outer tube 911-2 of interior pipe 911-1 outside, between interior pipe 911-1 and outer tube 911-2, space is static pressure layer 911-3, static pressure layer 911-3 rises and gaseous refrigerant is fully mixed and pressure stabilization function, outer tube 911-2 internal diameter d wwith interior pipe 911-1 outside diameter d nratio d w/ d nshould be 2.5 ~ 3.5.Ratio hour mixing is poor with voltage regulation result, and resistance is large; When ratio is excessive, mixing and voltage stabilizing imitates increase rate and are reduced, and metal consumption is greatly, less economical.Interior pipe 911-1 is evenly arranged vent ports 911-4, gaseous state cryogen is made to be diffused into static pressure layer 911-3 from pipe 911-1 in gas collection mixing arrangement 911 uniformly, in order to improve the uniformity of diffusion and reduce diffusional resistance, the diameter of vent ports 911-4 should be 1/3 of pipe 911-1 diameter in gas collection mixing arrangement.In gas collection mixing arrangement, pipe 911-1 is connected with three gaseous refrigerant imports by capillary, in order to alleviate in gas collection mixing arrangement pipe 911-1 two ends on the impact of air current composition with intercapillaryly to influence each other, in diamond wool tubule to gas collection mixing arrangement, the distance at pipe 911-1 two ends should be 5 times of interior pipe 911-1 diameter, i.e. 5d n, two adjacent intercapillary distances should be 2d n~ 3d n.
In the present invention, liquid collecting mixing arrangement 913 adopts inside and outside two-layer pipe equally, and between interior pipe 913-1 and outer tube 913-2, space is static pressure layer 913-3, and static pressure layer 913-3 plays makes the well-mixed effect of liquid refrigerant, outer tube 913-2 internal diameter d wwith interior pipe 913-1 outside diameter d nratio d w/ d nshould between 1.5 ~ 2.5.Ratio hour mixed effect difference, and resistance is large; When ratio is excessive, mixing effect increase rate reduces, and metal consumption is large, less economical.Interior pipe 913-1 is evenly arranged discharge opeing aperture 913-4, liquid refrigerant is made to flow to static pressure layer 913-3 from pipe 913-1 in liquid collecting mixing arrangement uniformly, in order to improve the uniformity of flowing and reduce flow resistance, the diameter of discharge opeing aperture 913-4 should be 1/2 of pipe 913-1 diameter in gas collection mixing arrangement.In liquid collecting mixing arrangement, pipe 913-1 is connected by the outlet of capillary condensation device, in order to improve the uniformity of mixing and alleviate in liquid collecting mixing arrangement pipe 913-1 two ends and intercapillaryly to interact, in diamond wool tubule to liquid collecting mixing arrangement, the distance at pipe 913-1 two ends should be 2 times of interior pipe 913-1 diameter, i.e. 2d n, two adjacent intercapillary distances should be 0.5d n~ 1.5d n.
In the present invention, solid adsorption dehumidification device 22 1 is with how standby, and one group of device can use two weeks under normal circumstances continuously, energy automatic alarm when adsorbing saturated, regeneration of can being exposed to the sun under sunshine after saturated.
When edible mushroom bakery air processor runs, air side circulation is as follows: the humid air after dry edible mushroom collects and enters air-treatment unit 2 by air inlet 21 in return air static pressure space 8, through air-treatment unit 2 dehumidify heat up after humidity decline to a great extent, temperature recovery, recover certain drying capacity, and enter header pipe 3 by blower fan 25 suction; Dry air is by after air mixing device 4 further mixing in header pipe 3, and enter air-supply static pressure space 7 by header pipe 3, and fully mix wherein, humiture field is comparatively even; After this, dry air enters baking workplace 10 by air-supply orifice plate 5, passes wherein and takes away edible mushroom surface moisture, progressively carry out drying to edible mushroom with certain flow velocity; Dried air humidity increases, temperature declines to some extent, comes back to return air static pressure space 8, complete the circulation of bakery 1 air side like this by return air orifice plate 6.
In air-treatment unit 2, humid air is entered by air inlet 21, condenser 91 is entered after solid adsorption dehumidification device 22 dries, flow out after heating up with the abundant heat exchange of warm refrigerant in condenser 91 on condenser 91 surface, when can not reach preset temperature under winter or limiting condition, by auxiliary electrical heater 24 auxiliary heating, the dry air after this with uniform temperature is aspirated through air outlet through blower fan 25 and flows out air-treatment unit 2.The heat pump circuit 9 of air-treatment unit 2 circulates as follows: gaseous refrigerant enters pipe 911-1 in gas collection mixing arrangement by three gaseous refrigerant imports 961,962,963, gaseous refrigerant is evenly diffused into gas collection mixing arrangement static pressure layer 911-3 by the vent ports 911-4 that pipe 911-1 in gas collection mixing arrangement is evenly arranged, in gas collection mixing arrangement static pressure layer 911-3, gaseous refrigerant fully mixes, gaseous refrigerant enters snakelike tube bank 912 by gas collection mixing arrangement outer tube 911-2, gaseous refrigerant in snakelike tube bank 912 liquidation exothermic reaction by gaseous state liquefy, liquid refrigerant enters pipe 913-1 in liquid collecting mixing arrangement from snakelike tube bank 912, liquid refrigerant flows to liquid collecting mixing arrangement static pressure layer 913-3 from the discharge opeing aperture 913-4 be evenly distributed in liquid collecting mixing arrangement pipe 913-1, in liquid collecting mixing arrangement static pressure layer 913-3, liquid refrigerant fully mixes, liquid refrigerant enters the first expansion valve 931, second expansion valve 932, the 3rd expansion valve 933 of three groups of compressors and evaporator assembly respectively by three liquid refrigerant outlets 921,922,923 on liquid collecting mixing arrangement outer tube 913-2, in compressor and evaporator assembly, liquid refrigerant is by the first expansion valve 931, second expansion valve 932, 3rd expansion valve 933 enters the first evaporimeter 941 respectively, second evaporimeter 942, 3rd evaporimeter 943, at the first evaporimeter 941, second evaporimeter 942, in 3rd evaporimeter 943, liquid refrigerant heat absorption becomes gaseous state from liquid state, gaseous refrigerant is by the first compressor 951, second compressor 952, 3rd compressor 953 enters the first gaseous refrigerant import 961 respectively, second gaseous refrigerant import 962, 3rd gaseous refrigerant import 963, complete circulation.
In one embodiment of the present of invention, bakery 1 housing is made by 2mm cold drawing plastic-blasting or stainless steel, adopts double-decked insulation, and heat-insulation layer adopts the insulation of polymer high-temperature heat insulation foam, has higher heat insulation effect.Bakery 1 width is 1.55 meters, and the degree of depth is 1.25 meters (Bao Menhou, door locks), is highly 2.25 meters (comprising castor).Adopt two-door structure, join knocker, handle and observation window; Bottom is furnished with castor, facilitates equipment moving.Baking workplace 10 inwall adopts corrosion resistant plate to manufacture, and make indoor cleaning, dustless, effective dimensions is wide 1.1 meters, high 1.2 meters, dark 1.1 meters, by 4 layers of distribution.Require that the air velocity toasting workplace 10 is 0.2 ~ 0.5m/s according to relevant industries, then the air output of air-treatment unit 2 is 1045 ~ 2614m 3/ h.The discharge velocity of eating dishes without rice or wine of air-supply orifice plate 5 is unsuitable excessive, and the present invention recommends value 0.8 ~ 2m/s, gets orifice plate percent opening 25%, opening diameter 5mm, and the effective area of efflux calculating orifice plate is 0.33 ㎡, and required number of aperture is 16807; Return air orifice plate 6 parameter is identical with air-supply orifice plate 5.
Condenser 91 of the present invention arranges in snakelike tube bank 912 import and outlet the exchange that gas collection mixing arrangement 911 and liquid collecting mixing arrangement 913 realize between three groups of compressors and evaporator assembly refrigeration working medium respectively, the basis that only can realize energy exchange at existing condenser achieves the exchange of working medium, improve the utilization ratio of condenser 91, improve heat exchange efficiency, the heating power reduced between the uneven refrigeration working medium caused of process is uneven, improve scope of exerting oneself and the disposal ability of air-treatment unit 2, improve the uniformity of air-treatment.
The present invention adopts by the air blow and return mode of the air-supply parallel air-supply of orifice plate 5 with the parallel return air of return air orifice plate 6, air-supply static pressure space 7 and return air static pressure space 8 is furnished with respectively at air-supply orifice plate 5 and return air orifice plate 5 side, decrease the difference of air blow and return orifice plate pressure everywhere, thus ensure the uniformity of blast pressure and air-supply air-flow.During operation, dry air enters baking workplace 10 with certain flow velocity from air-supply orifice plate 5, and bottom horizontal flow sheet wherein, there is good air current composition, be easy to obtain stable air-flow and thermo parameters method.The mode of this parallel air-supply is conducive to improving air current composition, when can ensure to run, in baking workplace 10, air flows and humiture field stable homogeneous, namely the environment toasted in workplace 10 residing for edible mushroom is consistent, makes each several part degree of drying consistent, improves the factor of merit of product.

Claims (3)

1. an edible mushroom drying air cyclic processing device, it is characterized in that, this device comprises baking vessel (1), air-treatment unit (2), header pipe (3), air mixing device (4), is set in parallel in air-supply orifice plate (5) in described baking vessel (1) and return air orifice plate (6), baking vessel is divided into three regions by described air-supply orifice plate (5) and return air orifice plate (6), be respectively air-supply static pressure space (7) and the return air static pressure space (8) of both sides, and the baking workplace (10) of centre; Described air-treatment unit (2) is positioned at outside, return air static pressure space (8), air-treatment unit (2) is communicated with air-supply static pressure space (7) by header pipe (3), and described air mixing device (4) is arranged in header pipe (3) pipeline;
The air inlet (21) that described air-treatment unit (2) is set gradually by the direction of flowing along air, solid adsorption dehumidification device (22), heat pump circuit (9), blower fan (24), auxiliary electrical heater (25) and air outlet (26) form;
Described heat pump circuit (9) comprises condenser (91) and the three groups of compressors be arranged in parallel and evaporator assembly, described compressor and evaporator assembly comprise the expansion valve, evaporimeter and the compressor that are connected successively, three groups of compressors are connected with the refrigerant outlet of condenser (91) respectively with the refrigerant inlet of expansion valve in evaporator assembly, and the refrigerant outlet of compressor is connected with the refrigerant inlet of condenser (91) respectively;
Described condenser (91) comprises the gas collection mixing arrangement (911) connected successively, snakelike tube bank (912) and liquid collecting mixing arrangement (913);
Described gas collection mixing arrangement (911) comprises in gas collection to be managed (911-1) and is enclosed within gas collection outer tube (911-2) that in described gas collection, pipe (911-1) is outside, space in gas collection between pipe (911-1) and gas collection outer tube (911-2) is gas collection static pressure layer (911-3), in gas collection, upper three refrigerant inlet arranged of pipe (911-1) are the refrigerant inlet of condenser (91), in gas collection, three refrigerant inlet of pipe (911-1) are corresponding with the compressor in three groups of compressors and evaporator assembly respectively connects, gas collection outer tube (911-2) is connected with the import of snakelike tube bank (912),
Liquid collecting mixing arrangement (913) comprises in liquid collecting manages (913-1) and is enclosed within liquid collecting outer tube (913-2) that in described liquid collecting, pipe (913-1) is outside, space in liquid collecting between pipe (913-1) and liquid collecting outer tube (913-2) is liquid collecting static pressure layer (913-3), in liquid collecting, pipe (913-1) is connected with the outlet of snakelike tube bank (912), upper three refrigerant outlets arranged of liquid collecting outer tube (913-2) are the refrigerant outlet of condenser (91), three refrigerant outlets of liquid collecting outer tube (913-2) are corresponding with the expansion valve in three groups of compressors and evaporator assembly respectively to be connected.
2. edible mushroom drying air cyclic processing device according to claim 1, it is characterized in that, the tube wall of the interior pipe (911-1) of described gas collection is evenly distributed with the vent ports (911-4) be communicated with gas collection static pressure layer (911-3), the tube wall of the interior pipe (913-1) of described liquid collecting is evenly distributed with the discharge opeing aperture (913-4) be communicated with liquid collecting static pressure layer (913-3).
3. edible mushroom drying air cyclic processing device according to claim 1, it is characterized in that, described gas collection outer tube (911-2) internal diameter and the interior ratio of managing (911-1) external diameter of gas collection are 2.5 ~ 3.5, and described liquid collecting outer tube (913-2) internal diameter and the interior ratio of managing (913-1) external diameter of liquid collecting are 1.5 ~ 2.5.
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