CN201347511Y - Low heat dissipating capacity clothes dryer - Google Patents
Low heat dissipating capacity clothes dryer Download PDFInfo
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- CN201347511Y CN201347511Y CNU2009200664755U CN200920066475U CN201347511Y CN 201347511 Y CN201347511 Y CN 201347511Y CN U2009200664755 U CNU2009200664755 U CN U2009200664755U CN 200920066475 U CN200920066475 U CN 200920066475U CN 201347511 Y CN201347511 Y CN 201347511Y
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Abstract
A low heat dissipating capacity clothes dryer relates to a drying plant, which particularly relates to the clothes dryer. The clothes dryer comprises a blower, a heater, a drying shed and a drying shed exhaust channel connected in sequence, and further comprises a heat regenerator; the heat regenerator comprises an airflow channel and a heat exchange mechanism; an air inlet of the airflow channel and an air outlet of the airflow channel are formed on the airflow channel; the air inlet of the airflow channel is communicated with the external; and the air outlet of the airflow channel is communicated with a blower air inlet of a blower; the heat exchange mechanism adopts the heat exchange mechanism which is used for heat exchange between air in the airflow channel and air exhausted from the drying shed; an air inlet of the heat exchange mechanism and an air outlet of the heat exchange mechanism are formed on the heat exchange mechanism; the air inlet of the heat exchange mechanism is communicated with the drying shed exhaust channel; the air outlet of the heat exchange mechanism is communicated with the external; and the heat exchange mechanism is positioned inside the airflow channel. The utility model has the characteristics of low energy consumption, high drying speed and small occupied space.
Description
Technical field
The utility model relates to a kind of drying plant, relates in particular to a kind of dryer.
Background technology
Dryer has little, the fireballing characteristics of drying that take up room.Be widely used in places such as laundromat, foreign-going ship, family, for people's life brings great convenience.
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 clothing 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.
The utility model content
The purpose of this utility model is to provide a kind of low heat emission amount dryer.Adopted a kind of energy recovery technology, have power consumption less, drying rate is fast, little characteristics take up room.
The technical problem that the utility model solved can realize by the following technical solutions:
Low heat emission amount dryer comprises blower fan, heater, drying chamber, drying chamber exhaust passage, it is characterized in that, also comprises a heat reclaim unit, and 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 low heat emission amount 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 the ambient air stream heater via, carried out preliminary heating, had certain initial temperature, thus when flowing through heater, can bring up to needed temperature rapidly, therefore the utlity model has power consumption less, drying rate is fast, little characteristics take up room.The results showed that the existing dryer drying rate of the utility model 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 the contact area of air in heat exchange wireway outer surface and the gas channel, effectively improve heat exchanger effectiveness.
Described low heat emission amount 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 low heat emission amount dryer, and 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 low heat emission amount dryer in the specific design can only be arranged on a part of structure of low heat emission amount 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 low heat emission amount 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 clothing of being dried.Temperature reduces wind speed when low, reduces throughput, to improve temperature, improves drying effect.
Described blower fan can adopt the variable frequency control blower fan.The variable frequency control 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.
In order to make the utility model structure compact more, heat energy recovery rate is higher, can specifically adopt following structure:
Described low heat emission amount dryer also comprises a housing, and described heater, drying chamber are installed in the inner chamber of described housing; Described housing is a seal casinghousing, and described seal casinghousing below is provided with air inlet; Described heater is communicated with the inner chamber of described housing, with described housing as described gas channel.Described housing is provided with heat-insulation layer.Blower fan plays its position of effect of impelling air current flow can comparatively random setting., obviously can simplify the internal structure of an organization as described gas channel with housing, because heater, drying chamber are installed in the housing,, improve heat energy recovery rate in addition so can reclaim the heat that heater, drying chamber distribute.
Described drying chamber top is provided with described heater, and described drying chamber outside is provided with heat-insulation layer, and described drying chamber below is provided with the drying chamber exhaust passage; Described drying chamber exhaust passage below is provided with a lint collecting box that is used to reduce air-flow velocity, and the gas outlet of described lint collecting box is communicated with the air inlet of described blower fan.In the above-mentioned design, can save some airflow lines, help simplifying the internal structure of an organization.Described lint collecting box can be lint gatherer or a lint collecting box commonly used in the dryer.
Be provided with between described lint collecting box inner chamber and the described heat exchange mechanism and stop that foreign material enter the screen pack of described heat exchange mechanism.Further stop foreign material to enter heat exchange mechanism.
Described lint collecting box is provided with and hinders the heat-insulation layer that the inner chamber with described housing carries out heat exchange.Prevent that the heat in the described lint collecting box from flowing to the inner chamber of described housing in advance, causes the heat exchanging process disorder.This design can effectively improve heat energy recovery rate.
Described lint collecting box both sides are provided with heat exchange mechanism, and described heat exchange mechanism adopts the heat exchange mechanism of heat radiation type.The heat exchange wireway of described heat exchange mechanism is provided with and described lint collecting box both sides respectively.
Described heat exchange wireway is divided into four sections heat exchange wireways of horizontal placement, and two sections heat exchange wireways are positioned at described lint collecting box one side and are arranged above and below, and the heat exchange wireway of top is communicated with the gas outlet of described lint collecting box; Other two sections heat exchange wireways are positioned at described lint collecting box opposite side and are arranged above and below, and the heat exchange wireway of below is provided with the gas outlet and is in communication with the outside, as the heat exchange mechanism gas outlet.Because the air inlet of described housing is positioned at the below, described heat exchange wireway adopts said structure to arrange, can make the lower outside air of temperature at first with described heat exchange wireway in the lower hot-air of temperature carry out heat exchange, carry out heat exchange with the higher hot-air of temperature again, to improve heat energy recovery rate.
Be provided with metal grill in the heat exchange wireway of described heat exchange mechanism.Contact area with gas and metal in the increase heat exchange wireway improves heat energy recovery rate.
Description of drawings
Fig. 1 is the structural representation of specific embodiment of the utility model 1;
Fig. 2 is the electrical block diagram of specific embodiment of the utility model 1;
Fig. 3 is the structural representation of specific embodiment of the utility model 2;
Fig. 4 is the electrical block diagram of specific embodiment of the utility model 2.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
Specific embodiment 1:
With reference to Fig. 1, low heat emission amount 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 utility model also comprises a heat reclaim unit.Heat reclaim unit 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 described gas channel air inlet 511 is in communication with the outside.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 utility model is:
After opening low heat emission amount 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, gas outlet by gas channel flows into blower fan 1 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 the drying chamber exhaust passage 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 ambient air stream heater via 2, carried out preliminary heating, had certain initial temperature, thus when flowing through heater 2, can bring up to needed temperature rapidly, therefore the utlity model has power consumption less, drying rate is fast, little characteristics take up room.The results showed that the existing dryer drying rate of the utility model is doubled, energy conservation is more than one times.
Low heat emission amount dryer is provided with and prevents that heat is lost to extraneous insulation construction.With reference to Fig. 1, in the present embodiment only in drying chamber 3 outsides and the heat reclaim unit outside installed insulation construction 31 and insulation construction 53 respectively additional, reduce the thermal loss at drying chamber 3 and heat reclaim unit place.Can all install insulation construction additional to the each several part of low heat emission amount dryer in the actual production, perhaps selectively install insulation construction additional.Insulation construction improves the rate of recovery of heat energy by reducing low heat emission amount dryer and extraneous heat exchange.
With reference to Fig. 2, low heat emission amount 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 variable frequency control blower fan.The variable frequency control 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 clothing 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.
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 the described technical scheme of the utility model 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 utility model is except that having power consumption less, fast, the little characteristics that take up room of drying rate, also have the control flexible characteristic.
Specific embodiment 2:
With respect to specific embodiment 1, with reference to Fig. 3, low heat emission amount dryer also comprises a housing 8, and heater 2, drying chamber 3 are installed in the inner chamber of housing 8.Housing is a seal casinghousing, and the below is provided with air inlet, and heater 2 is communicated with the inner chamber of housing 8, with housing 8 as gas channel 51.Housing 8 is provided with heat-insulation layer, stops heat to scatter and disappear.Blower fan 1 plays its position of effect of impelling air current flow can comparatively random setting, not shown among Fig. 3 can be referring to Fig. 1.In the present embodiment blower fan 1 is installed in housing 8 belows., obviously can simplify the internal structure of an organization as described gas channel 51 with housing 8, because heater 2, drying chamber 3 are installed in the housing 8,, improve heat energy recovery rate in addition so can reclaim the heat that heater 2, drying chamber 3 distribute.
As shown in Figure 3, the heat exchange wireway of heat exchange mechanism 52 is divided into four sections heat exchange wireways of horizontal placement, two sections heat exchange wireways are positioned at described lint collecting box left side and are arranged above and below, and the heat exchange wireway of top is communicated with the gas outlet of lint collecting box 41.Be provided with blower fan 1 between heat exchange wireway and lint collecting box, flow to impel air.Other two sections heat exchange wireways are positioned at lint collecting box 41 right sides and are arranged above and below, and the heat exchange wireway of below is provided with the gas outlet and is in communication with the outside, as heat exchange mechanism gas outlet 522.Because the air inlet of housing 8 is positioned at the below, the heat exchange wireway adopts said structure to arrange, can make the lower outside air of temperature at first with described heat exchange wireway in the lower hot-air of temperature carry out heat exchange, carry out heat exchange with the higher hot-air of temperature again, to improve heat energy recovery rate.
Present embodiment is provided with two sensors, and one is used for the insurance temperature sensor 92 that whether detection heater 2 temperature overstep the extreme limit when the operating temperature sensor 91 and that when work detected temperature in the drying chamber 3 is used in work.The signals collecting end of intelligent control module 6 also connects insurance temperature sensor 92.
With reference to Fig. 4, operating temperature sensor 91 and insurance temperature sensor 92 during work provide signal for respectively intelligent control module 6, the reflection temperature information.When the demonstration of operating temperature sensor 91 feedacks, when temperature value departed from setting value, intelligent control module 6 control blower fans 1, heater 2 were adjusted temperature.When insurance temperature sensor 92 feedacks show that when temperature value was higher than the peak of setting, there was catastrophe failure in proof system; for protection system and clothing; intelligent control module 6 shutdown systems quit work low heat emission amount dryer, to play a protective role.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.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. low heat emission amount dryer comprises blower fan, heater, drying chamber, drying chamber exhaust passage, it is characterized in that, also comprises a heat reclaim unit, and 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, and described heat exchange mechanism is positioned at gas channel inside.
2. low heat emission amount dryer according to claim 1, it is characterized in that, described low heat emission amount 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, and described blower fan can adopt the variable frequency control blower fan.
3. according to claim 2, described low heat emission amount dryer is characterized in that, described signals collecting end also connects one and be used for detecting the insurance temperature sensor whether heter temperature oversteps the extreme limit when work;
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.
4. low heat emission amount dryer according to claim 1 and 2 is characterized in that, described low heat emission amount dryer also comprises a housing, and described heater, drying chamber are installed in the inner chamber of described housing; Described housing is a seal casinghousing, and described seal casinghousing below is provided with air inlet; Described heater is communicated with the inner chamber of described housing, and as described gas channel, described housing is provided with heat-insulation layer with described housing.
5. low heat emission amount dryer according to claim 4 is characterized in that, described drying chamber top is provided with described heater, and described drying chamber outside is provided with heat-insulation layer, and described drying chamber below is provided with the drying chamber exhaust passage; Described drying chamber exhaust passage below is provided with a lint collecting box that is used to reduce air-flow velocity, and the gas outlet of described lint collecting box is communicated with the air inlet of described blower fan.
6. low heat emission amount dryer according to claim 5 is characterized in that, is provided with between described lint collecting box inner chamber and the described heat exchange mechanism to stop that foreign material enter the screen pack of described heat exchange mechanism.
7. low heat emission amount dryer according to claim 6 is characterized in that, described lint collecting box is provided with and hinders the heat-insulation layer that the inner chamber with described housing carries out heat exchange.
8. low heat emission amount dryer according to claim 6, it is characterized in that, described lint collecting box both sides are provided with heat exchange mechanism, described heat exchange mechanism adopts the heat exchange mechanism of heat radiation type, described heat exchange wireway is divided into four sections heat exchange wireways of horizontal placement, two sections heat exchange wireways are positioned at described lint collecting box one side and are arranged above and below, and the heat exchange wireway of top is communicated with the gas outlet of described lint collecting box; Other two sections heat exchange wireways are positioned at described lint collecting box opposite side and are arranged above and below, and the heat exchange wireway of below is provided with the gas outlet and is in communication with the outside, as the heat exchange mechanism gas outlet.
9. low heat emission amount dryer according to claim 8 is characterized in that, is provided with metal grill in the heat exchange wireway of described heat exchange mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200664755U CN201347511Y (en) | 2009-01-05 | 2009-01-05 | Low heat dissipating capacity clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200664755U CN201347511Y (en) | 2009-01-05 | 2009-01-05 | Low heat dissipating capacity clothes dryer |
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| Publication Number | Publication Date |
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| CN201347511Y true CN201347511Y (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200664755U Expired - Fee Related CN201347511Y (en) | 2009-01-05 | 2009-01-05 | Low heat dissipating capacity clothes dryer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103737A (en) * | 2010-05-13 | 2013-05-15 | 李宏江 | Energy-saving rapid industrial clothes dryer capable of combing circulation heating and waste heat retriever |
| CN103122571A (en) * | 2010-05-13 | 2013-05-29 | 李宏江 | Three-combination double-recovery energy-saving industrial clothes dryer |
-
2009
- 2009-01-05 CN CNU2009200664755U patent/CN201347511Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103737A (en) * | 2010-05-13 | 2013-05-15 | 李宏江 | Energy-saving rapid industrial clothes dryer capable of combing circulation heating and waste heat retriever |
| CN103122571A (en) * | 2010-05-13 | 2013-05-29 | 李宏江 | Three-combination double-recovery energy-saving industrial clothes dryer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20120105 |