CN201774937U - Steam and steam condensed water combined fruit and vegetable drying system - Google Patents

Steam and steam condensed water combined fruit and vegetable drying system Download PDF

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Publication number
CN201774937U
CN201774937U CN2010202970349U CN201020297034U CN201774937U CN 201774937 U CN201774937 U CN 201774937U CN 2010202970349 U CN2010202970349 U CN 2010202970349U CN 201020297034 U CN201020297034 U CN 201020297034U CN 201774937 U CN201774937 U CN 201774937U
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China
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steam
condensed water
temperature
drying device
drying unit
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Expired - Lifetime
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CN2010202970349U
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Inventor
寇明杰
张得俭
李晓康
蒲彦君
曲芃屹
段宗科
杨正
魏才弟
鄢文艳
陈广军
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Gansu Academy of Mechanical Sciences
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Gansu Academy of Mechanical Sciences
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • 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

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Abstract

The utility model relates to the technical field of fruit and vegetable drying equipment, in particular to a steam and steam condensed water combined fruit and vegetable drying system which comprises a material conveying device and a preheating chamber and is characterized by also comprising a high-temperature steam drying device and a high-temperature condensed water drying device, wherein exhaust recycling systems are respectively arranged at the upper parts of the high-temperature steam drying device and the high-temperature condensed water drying device, the upper part of the high-temperature steam drying device is communicated with a steam boiler through a general steam supply pipe, a high-temperature condensed water recycling pipe communicated with the upper part of the high-temperature condensed water drying device is arranged at the lower part of the high-temperature steam drying device, and a middle material conveying device is arranged between the high-temperature steam drying device and the high-temperature condensed water drying device. The steam and steam condensed water combined fruit and vegetable drying system can avoid overheating fruits and vegetables to cause quality reduction, can reduce energy consumed for drying unit material, and can improve dewater rate by using unit energy, thereby maintaining the original quality of dried material to the greatest extent, protecting the environment, saving energy, reducing cost and realizing comprehensive energy unitization.

Description

A kind of steam and condensed water coupling fruit and vegetable dryness system thereof
Technical field
The utility model relates to the fruit and vegetable dryness equipment technical field, especially relates to a kind of steam and condensed water coupling fruit and vegetable dryness system thereof.
Background technology
At present, existing fruit and vegetable dryness extensively adopts heated-air drying, and the mechanism of this technology is consistent with the mechanism of other conventional dry materials, its main feature be adopt the hot blast of suitable temperature and air quantity promote the material internal moisture by capillary to external diffusion.This technology heating system is a kind of to be to adopt hot-blast stove directly to supply with the required hot blast of dried material, but is mingled with the flue gas that fuel combustion produces in this system hot blast, is used for the quality that dry fruits and vegetables can influence product, and consumes a large amount of non-renewable resources; Another kind then is to utilize boiler by pipeline each drying unit to be supplied with in the thermal medium segmentation respectively, heat exchanger through each drying unit parallel connection heats again, wherein, supply with the required preference temperature of each drying unit fruit and vegetable dryness by the heat exchanger quantity and the temperature control equipment of the parallel connection of change system.The major defect of this system: supply with the medium of each drying unit uniform temp, do not meet the drying characteristic curve of material in the dry run; System cost is higher, and waste heat is not fully effectively utilized the energy-saving and environmental protection DeGrain.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art that a kind of steam and condensed water coupling fruit and vegetable dryness system thereof are provided, it is at the shortcoming of existing fruit and vegetable dryness system, make full use of the dry materials characteristic curve and instruct the drying system design, effectively solve the problems of the prior art.
For achieving the above object, the technical solution of the utility model is: described a kind of steam and condensed water coupling fruit and vegetable dryness system thereof, include material transmitting device and preheating chamber, be characterized in also including high-temperature steam drying device and high-temperature condensation water drying device, high-temperature steam drying device and high-temperature condensation water drying device top are provided with exhaust gas recovery system; Described high-temperature steam drying device top is connected with steam boiler by total air supply pipe, high-temperature steam drying device bottom is provided with the high-temperature condensation water recovery channel that is connected with high-temperature condensation water drying device top, is provided with the intermediate material transmitting device between described high-temperature steam drying device and the high-temperature condensation water drying device.
Be provided with wind-force de-watering apparatus and negative-pressure air fan in the described preheating chamber.Link to each other with header tank earlier when described high-temperature condensation water recovery channel is drawn in high-temperature steam drying device bottom, receive the top of high-temperature condensation water drying device again by tubing pump.Described high-temperature condensation water drying device bottom also is provided with towards the condensed water recovery channel of subordinate's condensed water drying device.
Described high-temperature steam drying device comprises at least one steam drying unit, described high-temperature condensation water drying device comprises at least one condensed water drying unit, each steam drying unit and condensed water drying unit include input channel, the punching steel band that drying air fan and discharge duct, material transmitting device are used to place material passes each steam drying unit and condensed water drying unit.Total air supply pipe that described high-temperature steam drying device is connected with steam boiler is provided with stop valve, filter and thermometer.
Be provided with heat exchanger in described steam drying unit and the condensed water drying unit, be provided with stop valve between the secondary steam supply pipe of steam drying unit and the heat exchanger, filter, temperature-sensing valve and thermometer are provided with drain valve and stop valve between the one-level return pipe of heat exchanger and steam drying unit; The intake line of the heat exchanger of condensed water drying unit is provided with stop valve, filter, and automatic flow meter and thermometer are provided with stop valve between the heat exchanger of condensed water drying unit and the secondary return pipe; The outer end of secondary return pipe also is provided with draining valve.
Described temperature-sensing valve is a DWPD balanced type electric control valve temperature controller, and it is made up of controller, actuator, temperature sensor, AC24V power supply and motor-driven valve.Described exhaust gas recovery system comprises the tail gas recycle pipeline that the steam drying unit on an end and high-temperature steam drying device and the high-temperature condensation water drying device links to each other with discharge duct in the condensed water drying unit, and the tail gas recycle pipeline other end is connected with preheating chamber.Described high-temperature steam drying device bottom is connected with high-temperature condensation water drying device top by medium oil conveyance conduit.
The beneficial effects of the utility model are: described a kind of steam and condensed water coupling fruit and vegetable dryness system thereof, it has adopted the condensed water of steam and heat to unite as the drying system supplying heat source, can avoid the overheated quality that causes of fruit vegetable materials to descend like this, reduce the energy consumption of unit dry materials, can improve the specific energy consumption rate of anhydrating again; It has set up the tail gas recycle pre-heating system, the tail gas that reclaims is directly concentrated led to predrying chamber (utilizing tail gas heat quantity) and remove swimming of feeding mouth material surface, and the material that is dried of preheating simultaneously makes whole dry run heat utilization ratio reach the highest.The utility model steam and condensed water coupling fruit and vegetable dryness system thereof, with steam and water as heat carrier, the original quality of material that realized keeping dry to greatest extent, environmental protection and energy saving reduce cost, the purpose of comprehensive utilization of energy; It has adopted DWPD balanced type electric control valve temperature controller, this temperature controller control system stable performance, and temperature sense is highly sensitive, and the motor output torque is big, can realize the rotating operation; According to variation of temperature, its actuator movement response is fast, and valve rod location is accurately, and is constant by the steam flow of motor-driven valve, valve put in place or when blocking valve central processing unit cut off the power supply automatically, can guarantee the life-span between each assembly; Can be during power failure with manually carrying out switch.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model;
Fig. 2 is the vertical view of the utility model Fig. 1;
Fig. 3 is the B-B place cutaway view of the utility model Fig. 1;
Fig. 4 is a heating system structure principle schematic of the present utility model;
Fig. 5 is DWPD balanced type electric control valve temperature controller control principle figure among the utility model Fig. 4.
Among the figure: 1, material transmitting device; 2, preheating chamber; 3, negative-pressure air fan; 4, wind-force de-watering apparatus; 5, high-temperature steam drying device; 5-1, input channel; 5-2 steam drying unit; 5-3, discharge duct; 5-4, drying air fan; 5-5, punching steel band; 6, high-temperature condensation water recovery channel; 7, material; 8, intermediate material transmitting device; 9, condensed water recovery channel; 10, steam boiler; 11, exhaust gas recovery system; 12, header tank; 13, tubing pump; 14, high-temperature condensation water drying device; 15, condensed water drying unit; 16, total air supply pipe; 17, stop valve; 18, Pressure gauge; 19, filter; 20, thermometer; 21, secondary steam supply pipe; 22, draining valve; 23, one-level return pipe; 24, drain valve; 25, secondary return pipe; 26, temperature-sensing valve; 27, automatic flow meter; 28, medium oil conveyance conduit.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Shown in Fig. 1,2,3,4,5, described a kind of steam and condensed water coupling fruit and vegetable dryness system thereof, include material transmitting device 1 and preheating chamber 2, be characterized in also including high-temperature steam drying device 5 and high-temperature condensation water drying device 14, high-temperature steam drying device 5 and high-temperature condensation water drying device 14 tops are provided with exhaust gas recovery system 11; Described high-temperature steam drying device 4 tops are connected with steam boiler 10 by total air supply pipe 16, high-temperature steam drying device 4 bottoms are provided with the high-temperature condensation water recovery channel 6 that is connected with high-temperature condensation water drying device 14 tops, are provided with intermediate material transmitting device 8 between described high-temperature steam drying device 4 and the high-temperature condensation water drying device 14.
Be provided with wind-force de-watering apparatus 4 and negative-pressure air fan 3 in the described preheating chamber 2.Link to each other with header tank 12 earlier when described high-temperature condensation water recovery channel 6 is drawn in high-temperature steam drying device 4 bottoms, receive the top of high-temperature condensation water drying device 14 again by tubing pump 13.Described high-temperature condensation water drying device 14 bottoms also are provided with towards the condensed water recovery channel 9 of subordinate's condensed water drying device.
Described high-temperature steam drying device 4 comprises at least one steam drying unit 5-2, described high-temperature condensation water drying device 14 comprises at least one condensed water drying unit 15, each steam drying unit and condensed water drying unit include input channel 5-1, the punching steel band 5-5 that drying air fan 5-4 and discharge duct 5-3, material transmitting device 1 are used to place material 7 passes each steam drying unit and condensed water drying unit.Total air supply pipe 16 that described high-temperature steam drying device 4 is connected with steam boiler 10 is provided with stop valve 17, filter 19 and thermometer 20.
Be provided with heat exchanger in described steam drying unit and the condensed water drying unit, be provided with stop valve 17 between the secondary steam supply pipe 21 of steam drying unit and the heat exchanger, filter 19, temperature-sensing valve 26 and thermometer 20 are provided with drain valve 24 and stop valve 17 between the one-level return pipe 23 of heat exchanger and steam drying unit; The intake line of the heat exchanger of condensed water drying unit is provided with stop valve 17, filter 19, and automatic flow meter 27 and thermometer 20 are provided with stop valve 17 between the heat exchanger of condensed water drying unit and the secondary return pipe 25; The outer end of secondary return pipe 25 also is provided with draining valve 22.
Described temperature-sensing valve 26 is a DWPD balanced type electric control valve temperature controller, and it is made up of controller, actuator, temperature sensor, AC24V power supply and motor-driven valve.Described exhaust gas recovery system 11 comprises the tail gas recycle pipeline that the steam drying unit on an end and high-temperature steam drying device and the high-temperature condensation water drying device links to each other with discharge duct in the condensed water drying unit, and the tail gas recycle pipeline other end is connected with preheating chamber 2.
Described a kind of steam and condensed water coupling fruit and vegetable dryness system thereof, it is when work, by total steam supply pipe 16 steam of 10 li supplies of steam boiler is directly inserted steam drying unit in the high-temperature steam drying device, temperature detection regulator through Pressure gauge, stop valve, thermometer, filter, composition, the temperature-sensing valve 26 (being DWPD balanced type electric control valve temperature controller) that is distributed to each drying unit of this section by secondary steam supply pipe 21 is regulated, lead to the heat exchanger heating then, come dried material.Steam drying unit heat exchanger outlet termination drain valve 24 is isolated the condensed water that forms in the heat exchanger in steam water interface, by one-level return pipe 23 condensed water that reclaims is sent into header tank again, by tubing pump 13 condensed water is delivered to the condensed water drying unit of high-temperature condensation water drying device again, through stop valve, filter, the flow detection adjusting device that the automatic flow meter is formed is led to this section drying production line heat exchanger, for material next stage drying provides heat, the secondary return pipe 25 that the whole level of last drying heat exchanger exit connects is delivered to cryogenic condensation water boiler or for other provides heat with hot equipment, is carried out recycling through draining valve 22.
The utility model is set up tail gas recycle and is utilized system on original drying system basis, tail gas behind each steam drying unit and the condensed water drying unit inner drying is acted on through negative-pressure air fan 17, by discharge duct 5-3 the gas of remnants is entered preheating chamber 2, remove on the feeding mouth material transmitting device 1 swimming through wind-force de-watering apparatus 4 through the material surface cleaned, with the material to be dried preheating, carry out the using waste heat from tail gas recycling simultaneously.Gas remaining after the preheating is then discharged outdoor by the residual air outlet.
Embodiment 2, and as different from Example 1, described high-temperature steam drying device bottom is connected with high-temperature condensation water drying device top by medium oil conveyance conduit 28, and the high-temperature condensation water drying device replaces with medium oil drying device.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. steam and condensed water coupling fruit and vegetable dryness system thereof, include material transmitting device and preheating chamber, it is characterized in that also including high-temperature steam drying device and high-temperature condensation water drying device, high-temperature steam drying device and high-temperature condensation water drying device top are provided with exhaust gas recovery system; Described high-temperature steam drying device top is connected with steam boiler by total air supply pipe, high-temperature steam drying device bottom is provided with the high-temperature condensation water recovery channel that is connected with high-temperature condensation water drying device top, is provided with the intermediate material transmitting device between described high-temperature steam drying device and the high-temperature condensation water drying device.
2. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof is characterized in that also including: be provided with wind-force de-watering apparatus and negative-pressure air fan in the described preheating chamber.
3. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that also including: link to each other with header tank earlier when described high-temperature condensation water recovery channel is drawn in high-temperature steam drying device bottom, receive the top of warm condensed water drying device again by tubing pump.
4. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof is characterized in that: described high-temperature condensation water drying device bottom also is provided with towards the condensed water recovery channel of subordinate's condensed water drying device.
5. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that: described high-temperature steam drying device comprises at least one steam drying unit, described high-temperature condensation water drying device comprises at least one condensed water drying unit, each steam drying unit and condensed water drying unit include input channel, the punching steel band that drying air fan and discharge duct, material transmitting device are used to place material passes each steam drying unit and condensed water drying unit.
6. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that: total air supply pipe that described high-temperature steam drying device is connected with steam boiler is provided with stop valve, filter and thermometer.
7. a kind of steam as claimed in claim 5 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that: be provided with heat exchanger in described steam drying unit and the condensed water drying unit, be provided with stop valve between the secondary steam supply pipe of steam drying unit and the heat exchanger, filter, temperature-sensing valve and thermometer are provided with drain valve and stop valve between the one-level return pipe of heat exchanger and steam drying unit; The intake line of the heat exchanger of condensed water drying unit is provided with stop valve, filter, and automatic flow meter and thermometer are provided with stop valve between the heat exchanger of condensed water drying unit and the secondary return pipe; The outer end of secondary return pipe also is provided with draining valve.
8. a kind of steam as claimed in claim 7 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that: described temperature-sensing valve is a DWPD balanced type electric control valve temperature controller, and it is made up of controller, actuator, temperature sensor, AC24V power supply and motor-driven valve.
9. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof, it is characterized in that: described exhaust gas recovery system comprises the tail gas recycle pipeline that the steam drying unit on an end and high-temperature steam drying device and the high-temperature condensation water drying device links to each other with discharge duct in the condensed water drying unit, and the tail gas recycle pipeline other end is connected with preheating chamber.
10. a kind of steam as claimed in claim 1 and condensed water coupling fruit and vegetable dryness system thereof is characterized in that: described high-temperature steam drying device bottom is not connected by on medium oil conveyance conduit and the high-temperature condensation water drying device.
CN2010202970349U 2010-08-18 2010-08-18 Steam and steam condensed water combined fruit and vegetable drying system Expired - Lifetime CN201774937U (en)

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CN2010202970349U CN201774937U (en) 2010-08-18 2010-08-18 Steam and steam condensed water combined fruit and vegetable drying system

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101946967A (en) * 2010-08-18 2011-01-19 甘肃省机械科学研究院 Steam and steam condensed water combined fruit and vegetable drying system
CN103404952A (en) * 2013-08-20 2013-11-27 云南省德宏傣族景颇族自治州农业科学研究所 Energy-saving bed-type efficient food material drying device
CN103891876A (en) * 2012-12-28 2014-07-02 北京天达京丰技术开发有限公司 Method for recycling evaporated steam generated by performing steam drying on grains and feed and other materials and equipment system thereof
CN104207311A (en) * 2014-07-27 2014-12-17 湖南三箭自控科技有限公司 Novel vegetable dewatering device and novel vegetable dewatering method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101946967A (en) * 2010-08-18 2011-01-19 甘肃省机械科学研究院 Steam and steam condensed water combined fruit and vegetable drying system
CN101946967B (en) * 2010-08-18 2012-09-12 甘肃省机械科学研究院 Steam and steam condensed water combined fruit and vegetable drying system
CN103891876A (en) * 2012-12-28 2014-07-02 北京天达京丰技术开发有限公司 Method for recycling evaporated steam generated by performing steam drying on grains and feed and other materials and equipment system thereof
CN103891876B (en) * 2012-12-28 2016-01-20 北京天达京丰技术开发有限公司 The evaporation vapour produced with steam drying Fodder and food and other material are carried out to method and the device systems thereof of recycle and reuse
CN103404952A (en) * 2013-08-20 2013-11-27 云南省德宏傣族景颇族自治州农业科学研究所 Energy-saving bed-type efficient food material drying device
CN103404952B (en) * 2013-08-20 2015-09-02 云南省德宏傣族景颇族自治州农业科学研究所 The efficient food materials drying unit of a kind of energy-saving bed
CN104207311A (en) * 2014-07-27 2014-12-17 湖南三箭自控科技有限公司 Novel vegetable dewatering device and novel vegetable dewatering method

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Granted publication date: 20110330

Effective date of abandoning: 20120912