CN101769672A - Heat recovery type dryer - Google Patents
Heat recovery type dryer Download PDFInfo
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- CN101769672A CN101769672A CN200910044872A CN200910044872A CN101769672A CN 101769672 A CN101769672 A CN 101769672A CN 200910044872 A CN200910044872 A CN 200910044872A CN 200910044872 A CN200910044872 A CN 200910044872A CN 101769672 A CN101769672 A CN 101769672A
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- heat exchange
- exchange mechanism
- heat
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- type dryer
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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
The invention provides a heat recovery type dryer and relates to drying equipment, in particular to a dryer. The heat recovery type dryer comprises a fan, a heater, a drying chamber and a drying chamber exhaust channel which are connected in sequence and also comprises a heat regenerator, wherein the heat regenerator comprises an airflow channel and a heat exchange mechanism and the heat exchange mechanism is positioned in the airflow channel; the airflow channel is provided with an airflow channel inlet and an airflow channel outlet, the airflow channel inlet is communicated with the outside and the airflow channel outlet is connected with a fan air inlet of the fan; the heat exchange mechanism is the heat exchange mechanism used for performing heat exchange between the air in the airflow channel and the air which is exhausted from the drying chamber; the heat exchange mechanism is provided with a heat exchange mechanism air inlet and a heat exchange mechanism air outlet, the heat exchange mechanism air inlet is communicated with the drying chamber exhaust channel and the heat exchange mechanism air outlet is communicated with the outside. The heat recovery type dryer has the characteristics of low power consumption, high drying speed and small occupied space.
Description
Technical field
The present invention relates to a kind of drying plant, relate in particular to a kind of dryer.
Background technology
Dryer has purposes more widely now, as is used for kiln dried wood, oven dry metal, drying clothes, and dries the various raw materials of industry.
Existing dryer mainly contains two classes.A kind of is open dryer, and a kind of is enclosed dryer.Open dryer is provided with a thermal source, by thermal source air is heated, and utilizes blower fan to impel the article of thermal air current through being dried again, and the hot-air that has moisture enters ambient atmosphere, and then takes away by the moisture in the drying article.Adopt the dryer of this structure, it is bigger to consume energy, and drying rate is slower.Most heat energy is discharged to extraneous hot-air and takes away.Thermal source need be to reheating from extraneous inhaled air, and programming rate is slower.Therefore also caused the slow problem of drying rate.Because need carry out the high speed air draft,, be not easy to lay again so it is bigger to take up room.
Another enclosed dryer no longer directly is discharged to the external world with hot-air, but has installed a condenser system additional.Flow through by the hot-air of drying article, take away, carried out condensation, after steam becomes water, flow to the external world through a condenser by behind the moisture in the drying article.Through condensed hot-air, still have higher temperature with respect to outside air, flow back into thermal source again and heat once more, can effectively shorten the heat time heating time of air like this, improve rate of energy.Because do not need to carry out the high speed air draft,, be convenient to lay in addition so it is less to take up room to the external world.But owing to will increase by a cover condenser system, both increased cost, brought new energy loss again.In addition importantly, still carry a large amount of steam, be unfavorable for very much improving drying rate through in the condensed hot-air.
Summary of the invention
The object of the present invention is to provide a kind of heat recovery type dryer.Adopted a kind of energy recovery technology, have power consumption less, drying rate is fast, little characteristics take up room.
Technical problem solved by the invention can realize by the following technical solutions:
Heat recovery type dryer comprises the blower fan, heater, drying chamber, the drying chamber exhaust passage that connect successively, it is characterized in that also comprise a heat reclaim unit, described heat reclaim unit comprises a gas channel, a heat exchange mechanism;
Described gas channel is provided with gas channel air inlet and gas channel gas outlet, and described gas channel air inlet is in communication with the outside, and described gas channel gas outlet is communicated with the fan air inlet of described blower fan;
Described heat exchange mechanism is the heat exchange mechanism that is used for the air that air in the gas channel and drying chamber are discharged is carried out heat exchange; Described heat exchange mechanism is provided with heat exchange mechanism air inlet and heat exchange mechanism gas outlet, and described heat exchange mechanism air inlet is communicated with the drying chamber exhaust passage, and the heat exchange mechanism gas outlet is in communication with the outside.
Described heat exchange mechanism can be the heat exchange mechanism of heat radiation type, and described heat exchange mechanism is provided with the heat exchange wireway, and described heat exchange wireway is outer is furnished with fin.Air heat exchange by air and drying chamber discharge in the heat radiating fin structure realization gas channel.Described heat exchange wireway adopts metal tube can effectively improve heat exchanger effectiveness.
Described heat exchange mechanism is positioned at gas channel inside, can improve heat exchanger effectiveness.
After opening closed dryer, blower fan and heater operation.Blower fan impels extraneous air to enter gas channel inside from the gas channel air inlet, flowing into heater by the gas channel gas outlet again heats, produce hot-air, hot-air is to being heated by drying article in the drying chamber, make by the moisture in the drying article to become steam, and then taken out of drying chamber by air-flow.
Carry the hot-air of steam, enter the drying chamber exhaust passage behind the outflow drying chamber, and then enter the metal tube in the heat exchange mechanism.The heat of hot-air is passed to gas channel by fin.The air that enters in the gas channel tentatively heats, and has constituted energy recovery.
After adopting above-mentioned technology, the hot-air in the drying chamber no longer directly is discharged in the outside air, also no longer is that directly circulation enters drying chamber.But utilize the heat that carries that the air that will enter in the drying chamber is tentatively heated.Promptly utilized the heat in the hot-air that drying chamber discharges, the steam in the hot-air can not brought in the drying chamber again again.Particularly because before outside air is flowed through heater, carried out preliminary heating, had certain initial temperature, thus when flowing through heater, can bring up to needed temperature rapidly, so the present invention have power consumption less, drying rate is fast, little characteristics take up room.The results showed that the existing drying machine drying speed of the present invention is doubled, energy conservation is more than one times.
Described heat exchange mechanism also can be the heat exchange mechanism of duct type, and described heat exchange mechanism is provided with the heat exchange wireway, and described heat exchange wireway is crooked metal tube.Adopt crooked metal tube as the heat exchange wireway, can directly increase contacting of heat exchange wireway outer surface and the interior air of gas channel
Area effectively improves heat exchanger effectiveness.
Described heat recovery type dryer is provided with and prevents that heat is lost to extraneous insulation construction.Described insulation construction can adopt and be installed at the outside or inner heat-insulation layer of heat recovery type dryer, the material of heat-insulation layer
And structure, can adopt insulation material commonly used and structure, because this respect technology is comparatively ripe, so explanation no longer in detail.
The insulation construction of heat recovery type dryer in the specific design can only be arranged on a part of structure of heat recovery type dryer, as only being arranged on the drying chamber, only being arranged on the heat reclaim unit, only being arranged on the blower fan, only being arranged on the heater.Also can be in the each several part that comprises drying chamber, heat reclaim unit, blower fan, heater any several on or insulation construction all is set.Adopt insulation construction, reduce heat and scatter and disappear, guarantee the organic efficiency of heat to the external world.
Described heat recovery type dryer also comprises an intelligent control module, and described intelligent control module is provided with a signals collecting end and a wind control signal output part, and described signals collecting end connects one and is used to detect the temperature sensor of drying indoor temperature;
Described blower fan is the controlled blower fan of a wind-force, and blower fan is provided with the wind control end, and described wind control end connects described wind control signal output part.
Adopt said structure to realize cooperatively interacting between wind-force and oven dry indoor temperature.Improve wind-force when temperature is high, increase throughput, reduce temperature, in order to avoid damage the article of being dried.Temperature reduces wind speed when low, reduces throughput, to improve temperature, improves drying effect.
Described blower fan can adopt the VFC blower fan.The VFC blower fan has the advantages that the wind-force excursion is wide, the wind-force pace of change is fast.
Described intelligent control module also is provided with one and is used for control heater heating circumstances heater control signal output, and described heater control signal output connects the heater power source input.By the heater control signal output, intelligent control module not only can also be controlled the temperature in the drying chamber by the heating situation control of direct control heater by the temperature in the control wind control drying chamber, it is fast to have temperature-responsive speed, saves the characteristics of the energy.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an electrical block diagram of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, heat recovery type dryer comprises the blower fan 1, heater 2, drying chamber 3, the drying chamber exhaust passage 4 that connect successively, and said structure also often uses in more existing dryers.
The present invention also comprises a heat reclaim unit 5.Heat reclaim unit 5 is provided with a gas channel 51, a heat exchange mechanism 52, and described heat exchange mechanism 52 is arranged on gas channel 51 inside.Gas channel 51 is provided with gas channel air inlet 511 and gas channel gas outlet 512, and described gas channel air inlet 511 is in communication with the outside, and described gas channel gas outlet 512 is communicated with the fan air inlet 11 of blower fan 1.Heat exchange mechanism 52 is to be used for the heat exchange mechanism that the air to air in the gas channel 51 and drying chamber 3 discharges carries out heat exchange.Heat exchange mechanism 52 is provided with heat exchange mechanism air inlet 521 and heat exchange mechanism gas outlet 522, and heat exchange mechanism air inlet 521 is communicated with drying chamber exhaust passage 4, and heat exchange mechanism gas outlet 522 is in communication with the outside.With reference to Fig. 1, heat exchange mechanism 52 in the present embodiment, employing be the heat exchange mechanism of heat radiation type.Heat exchange mechanism 52 middle parts are a metal tube, and fin 523 is equipped with in the metal tube outside, are heat exchange mechanism air inlet 521 and heat exchange mechanism gas outlet 522 with metal tube openings at two ends place.In order to make air-flow unimpeded, and improve heat exchange effect, the length direction of fin 523 is consistent with the length direction of metal tube.
Based on said structure, the course of work of the present invention is:
After opening heat recovery type dryer, blower fan 1 and heater 2 operations.Blower fan 1 impels extraneous air to enter gas channel 51 inside from gas channel air inlet 511, flow into blower fan 1 by gas channel gas outlet 512 through conduit again, and then inflow heater 2 heats, produce hot-air, hot-air is to being heated by drying article in the drying chamber 3, become steam by the moisture in the drying article, and then taken out of drying chamber 3 by air-flow.
Carry the hot-air of steam, enter drying chamber exhaust passage 4 behind the outflow drying chamber, and then enter the metal tube in the heat exchange mechanism 52.The heat of hot-air is passed to gas channel 51 by fin 523.The air that enters in the gas channel 51 tentatively heats, and has constituted energy recovery.
After adopting above-mentioned technology, the hot-air in the drying chamber 3 no longer directly is discharged in the outside air, also no longer is that directly circulation enters drying chamber 3.But utilize the heat that carries that the air that will enter in the drying chamber 3 is tentatively heated.Promptly utilized the heat in the hot-air that drying chamber 3 discharges, the steam in the hot-air can not brought in the drying chamber 3 again again.Particularly because before outside air is flowed through heater 2, carried out preliminary heating, had certain initial temperature, thus when flowing through heater 2, can bring up to needed temperature rapidly, so the present invention have power consumption less, drying rate is fast, little characteristics take up room.The results showed that the existing drying machine drying speed of the present invention is doubled, energy conservation is more than one times.
Heat recovery type dryer is provided with and prevents that heat is lost to extraneous insulation construction.With reference to Fig. 1, the present embodiment China National Instruments Import ﹠ Export Corporation in drying chamber 3 outsides and heat reclaim unit 5 outsides installed insulation construction 31 and insulation construction 53 respectively additional, reduce the thermal loss at drying chamber 3 and heat reclaim unit 5 places.Can all install insulation construction additional to the each several part of heat recovery type dryer in the actual production, perhaps selectively install insulation construction additional.Insulation construction improves the rate of recovery of heat energy by reducing heat recovery type dryer and extraneous heat exchange.
With reference to Fig. 2, heat recovery type dryer, also comprise an intelligent control module 6, intelligent control module 6 is provided with a signals collecting end, a wind control signal output part, a heater control signal output, and described signals collecting end connects one and is used to detect the temperature sensor 7 of drying indoor temperature.In temperature sensor 7 settings and the drying chamber 3.
The wind control signal output part of intelligent control module 6 connects the wind control end of blower fan 1, and the wind-force of blower fan 1 is controlled.Blower fan 1 can adopt the VFC blower fan.The VFC blower fan has the advantages that the wind-force excursion is wide, the wind-force pace of change is fast.Adopt said structure to realize cooperatively interacting between temperature in wind-force and the drying chamber 3.Improve wind-force when temperature is higher than setting value, increase throughput, reduce temperature, in order to avoid damage the article of being dried.Reduce wind speed when temperature is lower than setting value, reduce throughput,, improve drying effect to improve temperature.
The heater control signal output of intelligent control module 6 directly connects the power input of heater 2, perhaps connects the power input of heater 2 by an energy supply control module, the heating situation of control heater 2.By the heater control signal output, intelligent control module 6 not only can also be controlled the temperature in the drying chamber 3 by the heating situation control of direct control heater 2 by the temperature in the control wind control drying chamber 3, it is fast to have temperature-responsive speed, saves the characteristics of the energy.4 belows, drying chamber exhaust passage also are provided with one and are used for measuring the hot-air vapour content air humidity sensor of discharge.Vapour content is thought to quit work clothing drying seldom the time in hot-air.
Certainly intelligent control module 6 also can only be selected one in blower fan 1 and the heater 2 is controlled separately.
Drying chamber exhaust passage 4 shown in Fig. 1, gas channel 51, all be the passage of duct type, but technical scheme described in the invention arranged as seen that they are passages of air feed stream circulation, the structure of the duct type shown in the figure be can not adopt, and other shapes and other forms adopted.
As seen from the above technical solution, the present invention is except that having power consumption less, fast, the little characteristics that take up room of drying rate, also have the control flexible characteristic.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. heat recovery type dryer, comprise the blower fan, heater, drying chamber, the drying chamber exhaust passage that connect successively, it is characterized in that, heat recovery type dryer, comprise the blower fan, heater, drying chamber, the drying chamber exhaust passage that connect successively, it is characterized in that, also comprise a heat reclaim unit, described heat reclaim unit comprises a gas channel, a heat exchange mechanism;
Described gas channel is provided with gas channel air inlet and gas channel gas outlet, and described gas channel air inlet is in communication with the outside, and described gas channel gas outlet is communicated with the fan air inlet of described blower fan;
Described heat exchange mechanism is the heat exchange mechanism that is used for the air that air in the gas channel and drying chamber are discharged is carried out heat exchange; Described heat exchange mechanism is provided with heat exchange mechanism air inlet and heat exchange mechanism gas outlet, and described heat exchange mechanism air inlet is communicated with the drying chamber exhaust passage, and the heat exchange mechanism gas outlet is in communication with the outside.
2. heat recovery type dryer according to claim 1 is characterized in that, described heat exchange mechanism is the heat exchange mechanism of heat radiation type, and described heat exchange mechanism is provided with the heat exchange wireway, and described heat exchange wireway is outer is furnished with fin.
3. heat recovery type dryer according to claim 2 is characterized in that described heat exchange mechanism is positioned at gas channel inside, can improve heat exchanger effectiveness.
4. heat recovery type dryer according to claim 1 is characterized in that, described heat exchange mechanism also can be the heat exchange mechanism of duct type, and described heat exchange mechanism is provided with the heat exchange wireway, and described heat exchange wireway is crooked metal tube.
5. according to claim 1,2,3 or 4, described heat recovery type dryer is characterized in that, described heat recovery type dryer is provided with and prevents that heat is lost to extraneous insulation construction.
6. heat recovery type dryer according to claim 5 is characterized in that, described insulation construction adopts the heat-insulation layer that is installed on the heat recovery type dryer.
7. heat recovery type dryer according to claim 5, it is characterized in that, described heat recovery type dryer, also comprise an intelligent control module, described intelligent control module, be provided with a signals collecting end and a wind control signal output part, described signals collecting end connects one and is used to detect the temperature sensor of drying indoor temperature;
Described blower fan is the controlled blower fan of a wind-force, and blower fan is provided with the wind control end, and described wind control end connects described wind control signal output part.
8. heat recovery type dryer according to claim 7 is characterized in that described blower fan can adopt the VFC blower fan.
9. heat recovery type dryer according to claim 5, it is characterized in that, described heat recovery type dryer, also comprise an intelligent control module, described intelligent control module is provided with a signals collecting end and and is used for control heater heating circumstances heater control signal output, and described signals collecting end connects one and is used to detect the temperature sensor of drying indoor temperature; Described heater control signal output connects the heater power source input.
10. heat recovery type dryer according to claim 5 is characterized in that the parameter that described intelligent control module also is provided with in a pair of intelligent control module is provided with, or the in good time control module of in good time controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910044872A CN101769672A (en) | 2009-01-05 | 2009-01-05 | Heat recovery type dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910044872A CN101769672A (en) | 2009-01-05 | 2009-01-05 | Heat recovery type dryer |
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| CN101769672A true CN101769672A (en) | 2010-07-07 |
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| CN200910044872A Pending CN101769672A (en) | 2009-01-05 | 2009-01-05 | Heat recovery type dryer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393135A (en) * | 2011-11-29 | 2012-03-28 | 江苏金辰针纺织有限公司 | Variable frequency control dryer |
| CN103017501A (en) * | 2012-12-10 | 2013-04-03 | 胡科 | Wet object drying method and wet object drying device |
| CN104206527A (en) * | 2014-09-22 | 2014-12-17 | 上海海洋大学 | Warehouse type grain drying device |
| CN104406370A (en) * | 2014-11-20 | 2015-03-11 | 四川省烟草公司攀枝花市公司（攀枝花市烟草公司） | Energy-saving hot blast drying device |
| CN106091607A (en) * | 2016-06-29 | 2016-11-09 | 芜湖杨燕制药有限公司 | Medical material heated-air circulation oven |
| CN108527747A (en) * | 2018-02-28 | 2018-09-14 | 海宁市现代汽车座套有限公司 | A kind of automobile-used light-shading and sun cover production casting machine |
| CN110986510A (en) * | 2019-12-25 | 2020-04-10 | 无锡华控赛思节能技术有限公司 | Double-variable control servo driver of plastic dryer |
| CN111174563A (en) * | 2018-11-09 | 2020-05-19 | 汉达精密电子(昆山)有限公司 | Charging barrel drying system |
-
2009
- 2009-01-05 CN CN200910044872A patent/CN101769672A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393135A (en) * | 2011-11-29 | 2012-03-28 | 江苏金辰针纺织有限公司 | Variable frequency control dryer |
| CN103017501A (en) * | 2012-12-10 | 2013-04-03 | 胡科 | Wet object drying method and wet object drying device |
| CN104206527A (en) * | 2014-09-22 | 2014-12-17 | 上海海洋大学 | Warehouse type grain drying device |
| CN104406370A (en) * | 2014-11-20 | 2015-03-11 | 四川省烟草公司攀枝花市公司（攀枝花市烟草公司） | Energy-saving hot blast drying device |
| CN104406370B (en) * | 2014-11-20 | 2016-09-14 | 四川省烟草公司攀枝花市公司（攀枝花市烟草公司） | Energy-saving hot-blast drying unit |
| CN106091607A (en) * | 2016-06-29 | 2016-11-09 | 芜湖杨燕制药有限公司 | Medical material heated-air circulation oven |
| CN108527747A (en) * | 2018-02-28 | 2018-09-14 | 海宁市现代汽车座套有限公司 | A kind of automobile-used light-shading and sun cover production casting machine |
| CN111174563A (en) * | 2018-11-09 | 2020-05-19 | 汉达精密电子(昆山)有限公司 | Charging barrel drying system |
| CN110986510A (en) * | 2019-12-25 | 2020-04-10 | 无锡华控赛思节能技术有限公司 | Double-variable control servo driver of plastic dryer |
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Application publication date: 20100707 |