CN201129905Y - Hot pipe waste heat recovery type dryer - Google Patents

Hot pipe waste heat recovery type dryer Download PDF

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Publication number
CN201129905Y
CN201129905Y CNU2007200417015U CN200720041701U CN201129905Y CN 201129905 Y CN201129905 Y CN 201129905Y CN U2007200417015 U CNU2007200417015 U CN U2007200417015U CN 200720041701 U CN200720041701 U CN 200720041701U CN 201129905 Y CN201129905 Y CN 201129905Y
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CN
China
Prior art keywords
heat
communicated
heat exchanger
aisle
exchanger tube
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Expired - Lifetime
Application number
CNU2007200417015U
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Chinese (zh)
Inventor
孙卫东
孙旭清
张文良
车轩
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Jiangsu Muyang Group Co Ltd
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Jiangsu Muyang Group Co Ltd
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Priority to CNU2007200417015U priority Critical patent/CN201129905Y/en
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Publication of CN201129905Y publication Critical patent/CN201129905Y/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
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

A heat pipe waste heat recovery type drier relates to the technical field of drying devices. A vice box is connected on the lower portion of a drying box, a middle passage and two side passages are arranged in the vice box, the middle passage is communicated with the bottom of the drying box, upper ends of the two side passages are respectively communicated with the bottoms of a left interlayer and a right interlayer, the two side passages are communicated with the lower portion of the middle passage, a heat exchange tube whose two ends are sealed is arranged in the vice box, one part of the heat exchange tube is arranged in the middle passage, and the other part is arranged is arranged in the two side passages. Heat which is contained in damp-heat gas which is replaced from materials reaches the vice box through the bottom of the drying box, the heat is 'extracted'from the damp-heat gas through using the heat exchange tube and is simultaneously used to pre-heat drying medium, thereby rational utilization of the energy source in the whole drying technique process and optimization of the heating efficiency in the technique process are achieved, and the purposes for saving energy and lowering consumption are achieved.

Description

Heat pipe residual heat recovery type drying machine
Technical field
The present invention relates to a kind of drying equipment technical field.
Background technology
At present, nearly all employing hot-air or other hot gas carry out dry drier as medium, all exist to contain hot and humid gas heat energy utilization rate problem on the low side.The humid gas that contains of a large amount of higher temperatures is disposed in the atmosphere in vain, though the recycling mode of portion gas that adopted that has alleviates this loss, equipment is in service to still have many energy to be wasted, and simultaneously, has also caused the thermal pollution of environment.
The utility model content
The heat pipe residual heat recovery type drying machine that the utility model purpose is to design the abundant recovery waste heat of a kind of energy, reduces thermal pollution.
The utility model comprises that two ends are provided with the drying box of material import and export, and that drying box is provided with is left and right, go up interlayer, and steam heater and condensed water heater are set in the interlayer on drying box, arranges air distributor above in drying box; The air inlet of described air distributor is communicated with the outlet of the shell side of steam heater, the shell side import of condensed water heater is communicated with the upper end of left and right interlayer by last interlayer respectively, the shell side outlet of condensed water heater is communicated with the shell side import of steam heater, the tube side outlet of condensed water heater is communicated with the tube side import of steam heater, and the tube side outlet of steam heater is provided with condensate drain outlet.Auxiliary connection casing below drying box, center-aisle and two wing passages are set in the auxiliary box body, center-aisle is communicated with the bottom of above-mentioned drying box, and the upper end of two wing passages is communicated with the bottom of the left and right interlayer of drying box respectively, and two wing passages are communicated with the bottom of center-aisle.Arrange sealed at both ends heat exchanger tube in auxiliary box body, the part of described heat exchanger tube is arranged in the center-aisle, and another part is arranged in two wing passages.
Being 25 ℃ with normal temperature is example, adopts after the above-mentioned heat exchanger tube, the hot and humid gas temperature about 70 ℃ can be reduced to below 40 ℃.Heat exchanger tube is distributed in center-aisle and two wing passages, can fully expands the endotherm section and the heat release section area of heat exchanger tube, can save and take up room.The utility model will be flowed through in the later hot and humid gas of material contained heat by arriving at the bottom of the drying box in the auxiliary box body, utilize heat exchanger tube, from hot and humid gas " extraction " go out heat, be used for the preheating and drying medium simultaneously, and then reach the energy in whole drying process reasonable utilization and technical process in the maximization of the thermal efficiency, reach purpose energy-conservation, consumption reduction.
Heat exchanger tube described in the utility model is oblique layout, and the heat exchanger tube end that is positioned at two wing passages is higher than the heat exchanger tube end that is positioned at center-aisle.The heat exchanger tube that is oblique layout can make driving to more clear and definite that thermo-molecular moves upward in the gravity-type heat exchanger tube, and is more quick, heat in the lower tube in time upwards can be transmitted.But for imbibition core pattern heat exchanger tube horizontal.
In addition, described heat exchanger tube also can be provided with heat exchange fin outward.By heat exchange fin, increase heat exchange area, realize the purpose of quick heat exchange.
The utility model also in two wing passages of auxiliary box body, below heat exchanger tube, arrange heat exchanging pipe respectively, the cold wind import is set, the shell of heat exchanging pipe top and both sides channel connection below the shell of heat exchanging pipe; Each body one end of heat exchanging pipe is communicated with center-aisle, and this connected entrance is arranged in the heat exchanger tube below that is positioned at center-aisle, and the other end of each body of heat exchanging pipe connects clammy gas discharge outlet.
Adopt the heat exchanging pipe of certain area in the final stage of heat pipe residual neat recovering system, to realize further emitting heat with the more approaching hot and humid gas of environment temperature, the maximization of energy utilization rate obtains the support of technology fully.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an I portion enlarged drawing among Fig. 1.
Fig. 3 moves towards schematic diagram for air-flow.
The specific embodiment
As shown in Figure 1, 2, 3, the utility model is provided with drying box 1 and auxiliary box body 2 two large divisions.
Drying box 1 is provided with left interlayer 1-1, right interlayer 1-1 and last interlayer 1-3, and the bottom is communicated with the upper end of auxiliary box body 2, and drying box 1 two ends are provided with open type material import and export.
On drying box 1, be symmetrical arranged steam heater 4 and condensed water heater 3 along the center in the interlayer 1-3, in drying box 1 above center arrangement air distributor 5.The air inlet of air distributor 5 is communicated with the shell side outlet of steam heater 4, the shell side import of condensed water heater 3 is communicated with the upper end of left and right 1-1,1-2 interlayer by last interlayer 1-3 respectively, the shell side outlet of condensed water heater 3 is communicated with the shell side import of steam heater 4, the tube side outlet of condensed water heater 3 is communicated with the tube side import of steam heater 4, and the tube side outlet of steam heater 4 is provided with condensate drain outlet.
By dividing plate center-aisle 2-1 and left channel 2-2, right channel 2-3 are set in the auxiliary box body 2, center-aisle 2-1 is communicated with the bottom of drying box 1, and center-aisle 2-1 is provided with the bottom of sealing; The upper end of left channel 2-2 is communicated with the bottom of the left interlayer 1-1 of drying box, and the lower end of left channel 2-2 is provided with cold wind import 2-4; The upper end of right channel 2-3 is communicated with the bottom of the right interlayer 1-2 of drying box, and the lower end of right channel 2-3 is provided with cold wind import 2-5.
Two groups of the heat exchanger tubes 6 in top in auxiliary box body 1 from centre oblique V-shaped layout on both sides, every group of heat exchanger tube 6 is sealed at both ends, and a part is arranged in the center-aisle 2-1, and another part is arranged in left channel 2-2 and the right channel 2-3.Every group of heat exchanger tube 6 outer heat exchange fins that also are provided with.
In the left and right side passage 2-2 of auxiliary box body 2 and 2-3, arrange heat exchanging pipe 7 respectively, each heat exchanging pipe 7 lays respectively at the below of the heat exchanger tube 6 in left and right side passage 2-2, the 2-3, above-mentioned cold wind import 2-4,2-5 are arranged in the below of heat exchanging pipe 7 shells, and the shell top of heat exchanging pipe 7 is communicated with left and right side passage 2-2,2-3 respectively.
As shown in Figure 2, each body one end of heat exchanging pipe 7 is communicated with center-aisle 2-1 respectively, this connected entrance is arranged in heat exchanger tube 6 belows that are positioned at center-aisle 2-1, and the other end of each body of heat exchanging pipe 7 is communicated with the clammy gas discharge outlet 2-6 that is arranged in center-aisle 2-1 below respectively.
Air-flow trend as shown in Figure 3: respectively from two cold wind import 2-4,2-5 mend into live gas, be upward through the interior heat of shell side absorption tube of heat exchanging pipe 7, after carrying out heating up the first time, the heat release section that continues across the heat exchanger tube 6 that is positioned at center-aisle 2-1 carries out heating up the second time, then, along drying box 1 left interlayer 1-1, right interlayer 1-1 is up, pass through condensed water heater 3 shell sides in the interlayer 1-3, heat up for the third time, then continue to pass through steam heater 4 shell sides, after carrying out heating up for the 4th time, realize that by air distributor 5 air-flow is all to distribution, enter again in the drying box 1, material is carried out heat drying.
In drying box 1, pass through the material bed of setting, carry out heat release first time temperature-fall period, take the material contained humidity out of, to drying box 1 bottom, endotherm section through the heat exchanger tube 6 of auxiliary box body 2 center-aisle 2-1 carries out heat release second time temperature-fall period, from the flow through tube side of heat exchanging pipe 7 of the connected entrance 7-1 of heat exchanging pipe 7 and center-aisle 2-1, carry out heat release temperature-fall period for the third time, form low temperature at last and contain humid gas (waste gas) and discharge from clammy gas discharge outlet 2-6.
Meanwhile, the vapor stream of certain pressure enters the tube side of condensed water heater 5 through the tube side of steam heater 4 after the condensation, continues to be become the condensed water of lower temperature by the outer gas cooled of pipe, discharges the drying machine boiler circuit.
The material that humidity is bigger, the dry run of having passed through native system has just become the lower qualified products of qualified humidity.The hot and humid gas temperature that the utility model is specially adapted to discharge is higher than the drier of environment temperature more than 15 ℃.Energy utilization rate is improved more than 25%, and can shorten dry run effectively or improve the output of drier greatly.If dry same material, drier of the type and similar drier, manufacturing cost increases hardly or slightly increases, but operating cost reduces widely.

Claims (4)

1, heat pipe residual heat recovery type drying machine comprises that two ends are provided with the drying box of material import and export, and that drying box is provided with is left and right, go up interlayer, and steam heater and condensed water heater are set in the interlayer on drying box, arranges air distributor above in drying box; The air inlet of described air distributor is communicated with the outlet of the shell side of steam heater, the shell side import of condensed water heater is communicated with the upper end of left and right interlayer by last interlayer respectively, the shell side outlet of condensed water heater is communicated with the shell side import of steam heater, the tube side outlet of condensed water heater is communicated with the tube side import of steam heater, and the tube side outlet of steam heater is provided with condensate drain outlet; It is characterized in that auxiliary connection casing below drying box, center-aisle and two wing passages are set in the auxiliary box body, center-aisle is communicated with the bottom of above-mentioned drying box, and the upper end of two wing passages is communicated with the bottom of the left and right interlayer of drying box respectively, and two wing passages are communicated with the bottom of center-aisle; Arrange sealed at both ends heat exchanger tube in auxiliary box body, the part of described heat exchanger tube is arranged in the center-aisle, and another part is arranged in two wing passages.
2, according to the described heat pipe residual heat recovery type drying machine of claim 1, it is characterized in that described heat exchanger tube is oblique layout, the heat exchanger tube end that is positioned at two wing passages is higher than the heat exchanger tube end that is positioned at center-aisle.
3,, it is characterized in that described heat exchanger tube peripheral hardware replaces hot fin according to the described heat pipe residual heat recovery type drying machine of claim 1.
4, according to the described heat pipe residual heat recovery type drying machine of claim 1, it is characterized in that in two wing passages of auxiliary box body, below heat exchanger tube, arranging respectively heat exchanging pipe, the cold wind import is set, the shell top and the both sides channel connection of heat exchanging pipe below the shell of heat exchanging pipe; Each body one end of heat exchanging pipe is communicated with center-aisle, and this connected entrance is arranged in the heat exchanger tube below that is positioned at center-aisle, and the other end of each body of heat exchanging pipe connects clammy gas discharge outlet.
CNU2007200417015U 2007-11-27 2007-11-27 Hot pipe waste heat recovery type dryer Expired - Lifetime CN201129905Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200417015U CN201129905Y (en) 2007-11-27 2007-11-27 Hot pipe waste heat recovery type dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200417015U CN201129905Y (en) 2007-11-27 2007-11-27 Hot pipe waste heat recovery type dryer

Publications (1)

Publication Number Publication Date
CN201129905Y true CN201129905Y (en) 2008-10-08

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CNU2007200417015U Expired - Lifetime CN201129905Y (en) 2007-11-27 2007-11-27 Hot pipe waste heat recovery type dryer

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106474753A (en) * 2016-03-24 2017-03-08 梅丽中 A kind of bittern crystallizing and drying device
CN106802063A (en) * 2017-03-27 2017-06-06 嘉兴市桐能环保科技股份有限公司 A kind of baking oven residual neat recovering system and tunnel type baking oven equipment
CN108507314A (en) * 2018-05-25 2018-09-07 福建清道夫环保科技有限公司 Adjustable drying sludge blade structure and the tank body equipment for using the blade structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106474753A (en) * 2016-03-24 2017-03-08 梅丽中 A kind of bittern crystallizing and drying device
CN106474753B (en) * 2016-03-24 2019-01-29 青岛果子知识产权运营有限公司 A kind of brine crystallizing and drying device
CN106802063A (en) * 2017-03-27 2017-06-06 嘉兴市桐能环保科技股份有限公司 A kind of baking oven residual neat recovering system and tunnel type baking oven equipment
CN108507314A (en) * 2018-05-25 2018-09-07 福建清道夫环保科技有限公司 Adjustable drying sludge blade structure and the tank body equipment for using the blade structure

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20071127

C25 Abandonment of patent right or utility model to avoid double patenting