CN201819525U - Alternative circulating air drying equipment - Google Patents
Alternative circulating air drying equipment Download PDFInfo
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- CN201819525U CN201819525U CN2010205325721U CN201020532572U CN201819525U CN 201819525 U CN201819525 U CN 201819525U CN 2010205325721 U CN2010205325721 U CN 2010205325721U CN 201020532572 U CN201020532572 U CN 201020532572U CN 201819525 U CN201819525 U CN 201819525U
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Abstract
Disclosed is alternative circulating air drying equipment. Two air baffles, a partition plate and two movable plates are arranged inside the equipment, a baking chamber is formed between a front wall and the air baffle close to a front wall, an air return layer is formed between the two air baffles, a hot air chamber is formed between a rear wall and the air baffle close to the rear wall, a distance is reserved from the lower side of the partition plate and a bottom plate, the upper side of the partition plate contacts with an upper cover plate, one of the two movable plates is arranged vertically, connected to the air baffle more closer to the rear wall and contacts with the upper cover plate, the other movable plate is arranged horizontally and partially covers on the two air baffles, and the vertical movable plate and the horizontal movable plate are respectively arranged at two ends above the air return layer. Direction can be changed by the movable plates, air direction in the drying equipment can be forced to change, can be alternative from forward flow to reverse flow intermittently, and can be alternative at an inlet end and an outlet end intermittently, so that average baking environments for materials within the total baking cycle in the whole workshop are consistent, baking time is shortened and baking quality is improved.
Description
Technical field
The utility model relates to a kind of drying equipment, and the circulated air that particularly a kind of utilization replaces carries out dry equipment to material.
Background technology
During dried material, become steam and take away with distinguished and admirable the be dried water of material of flowing through, gas flow temperature descends, and humidity increases, and the water separation capability of material is reduced gradually.
This phenomenon makes a distinguished and admirable end that at first enters material do comparatively fast, a distinguished and admirable last end by material is done slowlyer, the two ends dewatering speed is inconsistent, the humiture of dry wind has certain difference, cause dehydration uneven, one end lags behind, and increase and just can finish drying drying time, has influence on the modified amount of baking of whole room lengthening drying time and material so sometimes.
Specifically, in the inlet side, baking temperature is higher, and relative humidity is lower, and material surface water evaporates is fast, otherwise lower from the end baking temperature, relative humidity is higher, and the surface moisture evaporation is slow slightly, but material surface temperature is almost equal from end and inlet side.This is because temperature and relative humidity determine evaporation rate, thereby influences surface temperature.Importantly surface temperature decision material temperature inside determines inner steam pressure, the speed that decision material internal moisture is exosmosed.If the inlet side is the inlet side forever, eternal high temperature low humidity, material surface dehydration is exosmosed faster than internal moisture, and do soon on the surface, causes surface fiber to tighten, and forms difficult permeable duricrust, slows down rate of drying.Have again, lose capillary after surface fiber is done and send outlet capacity, further make the material internal moisture difficulty of exosmosing.
For improving this phenomenon, the solution that those skilled in the art expected is, except the blower fan (as the forward blower fan) that uses single wind direction produce forward distinguished and admirable, it is oppositely distinguished and admirable also to adopt the blower fan (as reverse blower fan) of another wind direction to produce, and make that with this two ends of material can be dry, yet the efficient of forward and reverse blower fan is low, power consumption is big, and heat exchange structure is fixed, and the distinguished and admirable heat exchanging efficient of returning when making inverse direction into gives a discount, and wind-heat efficient is all influenced.
In view of this, for solving all deficiencies in the existing dry technology, the design people is based on the research and development of association area, and constantly test and improvement of process, and then generation of the present utility model is arranged.
Summary of the invention
The purpose of this utility model is to provide a kind of alternate cycles air-dry dry equipment, by the portable plate changing location, can force the wind direction in the drying equipment to turn around, the drag flow and the anti-stream of property replace at interval to make wind direction, the inlet side with from end alternately, make the full room of the average curing environment unanimity of material impression in whole baking cycle, thereby eliminated the difference of material humiture in the prior art, shorten stoving time, improve baking quality, in addition since the utility model oppositely blower fan produce oppositely distinguished and admirable, avoid the low shortcoming of fan efficiency anyway, thereby reached the purpose of saving power consumption.In addition, between baking, can keep the highest effect of heat exchange with unidirectional wind.
For reaching above-mentioned purpose, the utility model provides a kind of alternate cycles air-dry dry equipment, and it is enclosed to put by front wall, Hou Qiang, side wall, upper cover plate and base plate forms, and electro-heat equipment and circulating fan are installed in described drying equipment;
Wherein: the inside of described drying equipment is provided with wind isolation board, interseptal board and portable plate, the quantity of described wind isolation board is two, in the described wind isolation board near plate of front wall and the space between the front wall between baking, space between two wind isolation boards is the return air layer, and plate of more close back wall is a hot-air chamber with the back space between the wall in the described wind isolation board; Described interseptal board is parallel to described side wall, and the below of described interseptal board and base plate be provided with distance, and the top of interseptal board contacts with upper cover plate; The quantity of described portable plate is two, wherein one is vertical state, it is connected on the wind isolation board of more close back wall and with upper cover plate and contacts, another piece is level and partly covers on two wind isolation boards that the vertical portable plate and the portable plate of level lay respectively at the two ends of return air layer top.
Preferably, described portable plate comprises first portable plate and second portable plate, and it is coupling side by side above the wind isolation board of more close back wall; Described first portable plate and second portable plate contact with upper cover plate rotating up when reaching vertical state; Described first portable plate and second portable plate can partly cover on two wind isolation boards respectively being rotated down when being up to the standard state; Always remain 90 degree between described first portable plate and second portable plate.
Preferably, described wherein portable plate keeps vertical state, and another piece portable plate keeps level; The portable plate of described vertical state is comparatively sliding on the wind isolation board near the back wall, and the portable plate of level covers on the described return air layer slidably; When the portable plate of described vertical state slid into an end of return air layer, the portable plate of level slid into the other end of return air layer synchronously.
Preferably, intercept between first baking by interseptal board between described baking and between second baking, and be respectively equipped with first Qianmen and second Qianmen between corresponding first baking and between second baking on the front wall.
Preferably, described interseptal board extends into the top of described return air layer.
Preferably, described electro-heat equipment is arranged in the described hot-air chamber; Described circulating fan is installed in the below of a plate of more close back wall in the described wind isolation board, and the air outlet of described circulating fan is towards hot-air chamber.
Preferably, the top of return air layer both sides side wall is equipped with fresh inlet; The below of return air layer both sides side wall is equipped with wet-emitting blower, and at described wet-emitting blower moisture exhausting port is installed.
Preferably, open in described fresh inlet is selected for use from the blinds that hangs down; Described moisture exhausting port selects for use external-open from the blinds that hangs down.
Preferably, described portable plate adopts motor driven gear driving, electronic pull bar, electronic threaded rod or electronic pulley to drive.
Preferably, also be provided with temperature sensor in the described drying equipment, described temperature sensor can be arranged in the middle of the top, base plate of hot-air chamber, the below of baking compartment plate is near the place, Qianmen or in the lower edge of baking compartment plate, and described temperature sensor is handled software and hardware control through data and is connected with the motor that the control portable plate moves.
Preferably, also be provided with humidity sensor in the described drying equipment, described humidity sensor can be arranged in the middle of the top, base plate of hot-air chamber, the below of baking compartment plate is near the lower edge of Qian Menchu, baking compartment plate or at the upper and lower of return air layer, described humidity sensor is handled the start and stop that software and hardware is controlled wet-emitting blower through data, and is connected with the motor of control portable plate operation.
The beneficial effects of the utility model are: alternately wind direction replaces material between high temperature low humidity (inlet side) and low temperature and high relative humidity (from end), the speed that the internal moisture of on average getting off is exosmosed and the speed of surface evaporation more can be close, help shortening stoving time, (the same outside and inside) helps improving the quality of products, full room unanimity, the material surface does not crust, is not in for a long time under the high temperature, and all be the lifting that helps product quality.
Description of drawings
Fig. 1 is air-dry dry equipment first working state schematic representation of the utility model alternate cycles;
Fig. 2 is air-dry dry equipment second working state schematic representation of the utility model alternate cycles;
Fig. 3 is the air-dry dry equipment off working state schematic diagram of the utility model alternate cycles.
Description of reference numerals: 1-drying equipment; Between the 10-baking; Between 101-first baking; Between 102-second baking; The 11-front wall; 111-first Qianmen; 112-second Qianmen; Wall behind the 12-; The 13-side wall; The 14-upper cover plate; The 15-base plate; 20-return air layer; The 21-interseptal board; The 22-wind isolation board; 23-first portable plate; 24-second portable plate; The 30-hot-air chamber; The 31-electro-heat equipment; The 33-fresh inlet; The 34-wet-emitting blower.
The specific embodiment
About the utility model is the purpose that reaches above-mentioned and effect and the technological means that adopted, now enumerate preferable feasible embodiment, and shown in the conjunction with figs., details are as follows:
At first, as depicted in figs. 1 and 2, the utility model is the air-dry dry equipment of a kind of alternate cycles, described drying equipment 1 is enclosed to put by front wall 11, back wall 12, side wall 13, upper cover plate 14 and base plate 15 to form, the space that has a constant volume with formation, wherein, front wall 11 and back wall 12 positioned opposite, and front wall 11 is connected by side wall 13 with back wall 12, above forward and backward, side wall 11,12,13, adopt upper cover plate 14 sealings (upper cover plate 14 among Fig. 1 and Fig. 2 is part and shows), and below forward and backward, side wall 11,12,13, described base plate 15 is set.
Be provided with interseptal board 21, wind isolation board 22, first portable plate 23 and second portable plate 24 in the inside of described drying equipment 1, wherein, the quantity of described wind isolation board 22 is two, and every wind isolation board 22 all is roughly parallel to described forward and backward wall 11,12.
Again in conjunction with shown in Figure 3, in the described wind isolation board 22 near the space between plate of front wall 11 and the front wall 11 between toasting 10; Space between two wind isolation boards 22 is a return air layer 20; A plate of more close back wall 12 and the space between the back wall 12 are hot-air chamber 30 in the described wind isolation board 22.
Between described baking 10 by interseptal board 21 intercept into first the baking between 101 and second the baking between 102, and 101,102 be respectively equipped with first Qianmen 111 and second Qianmen 112 between corresponding first, second baking on the front wall 11, be convenient to from first Qianmen 111 and second Qianmen 112 material put between first baking between 101 and second baking 102 and between first baking, 102 take out between 101 and second baking.
Described interseptal board 21 is roughly parallel to described side wall 13, and the below of described interseptal board 21 and base plate 15 be provided with certain distance, and the top of interseptal board 21 then contacts with upper cover plate 14, and is distinguished and admirable to block.
The top of this piece plate of more close back wall 12 is connected with first portable plate 23 and second portable plate 24 side by side in the described wind isolation board 22.Described first, second portable plate 23,24 contacts with upper cover plate 14 rotating up when reaching vertical state, and is distinguished and admirable to block.When described first, second portable plate 23,24 being rotated down when being up to the standard state, then partly cover respectively on two wind isolation boards 22.In addition, described interseptal board 21 also extends into the top of described return air layer 20, when first portable plate 23 or second portable plate 24 are in vertical state, and can be distinguished and admirable with described interseptal board 21 common blocking-up.
Be provided with electro-heat equipment 31 in the described hot-air chamber 30, be used to the material in the drying device that heat is provided, described electro-heat equipment 31 can be selected the hot-blast stove that has cleaner for use, discharges flue gas, more low-carbon environment-friendly thereby reduce to the external world when heat energy is provided.
The below of a plate of more close back wall 12 is equipped with the circulating fan (not shown) of often opening in the described wind isolation board 22, and the air outlet of described circulating fan is towards hot-air chamber 30, thereby with distinguished and admirable the entering in the hot-air chamber 30 in the return air layer 20.
Be equipped with fresh inlet 33 above the side wall 13 of return air layer 20 both sides, described fresh inlet 33 makes and extraneous distinguished and admirablely can enter into return air layer 20.
In addition, below return air layer 20 both sides side wall 13, be equipped with wet-emitting blower 34, and the moisture exhausting port (not shown) be installed at the air inlet place of described wet-emitting blower 34.Described wet-emitting blower 34 and moisture exhausting port are all just opened work when needed.
In working order down, always remain 90 degree between described first portable plate 23 and second portable plate 24, when first portable plate 23 is in vertical state, second portable plate 24 is in level (Fig. 1), the hot blast that process electro-heat equipment 31 heated is because by vertical first portable plate, 23 blocks, therefore can only be blown into through the top of second portable plate 24 that is in level this moment between second baking in 102, make hot blast pass the material in 102 between second baking from top to bottom, hot blast enters between first baking in 101 through the below of interseptal board 21 again, this moment, hot blast passed from bottom to top that the materials in 101 enter into after the return air layer 20 between first baking, got back to via the suction of circulating fan in the hot-air chamber 30 again.
In like manner, when second portable plate 24 is in vertical state, first portable plate 23 is in level (Fig. 2), the hot blast that process electro-heat equipment 31 heated is because by vertical second portable plate, 24 blocks, therefore can only be blown into through the top of first portable plate 23 that is in level this moment between first baking in 101, make hot blast pass the material in 101 between first baking from top to bottom, enter between second baking in 102 through the below of interseptal board 21 again, hot blast passes from bottom to top that the materials in 102 enter into after the return air layer 20 between second baking, gets back to via the suction of circulating fan in the hot-air chamber 30 again.
Described first portable plate 23 and second portable plate 24 can adopt motor driven gear to drive its rotation, and the electronic pull bar of also optional usefulness, electronic threaded rod, electronic pulley or the like mode drives.By guaranteeing first portable plate 23 and second portable plate, 24 synchronous changing locations, can force the wind direction in the drying equipment 1 to turn around, the drag flow and the anti-stream of property replace at interval to make wind direction, the inlet side with from end alternately, make the full room of the average curing environment unanimity of material impression in whole baking cycle, thereby eliminated the difference of material humiture in the prior art, shortened stoving time, improved baking quality, in addition, because the utility model oppositely blower fan produces oppositely distinguished and admirablely, has avoided the low shortcoming of fan efficiency anyway, thereby reach the purpose of saving power consumption.In addition, between baking, can keep the highest effect of heat exchange with unidirectional wind.
Described return air layer 20 be the baking between 10 and hot-air chamber 30 between the space, the below of return air layer 20 is equipped with described circulating fan, thereby the bottom of return air layer 20 has a large amount of circulated airs to be sent to hot-air chamber 30, therefore return air layer 20 is negative pressuren zones, the moisture exhausting port of installing on the wet-emitting blower 34 can select for use external-open from the blinds that hangs down, negative pressure in the return air layer 20 makes from the blinds sealing of hanging down, and can open when wet-emitting blower 34 starts from the blinds that hangs down, thereby the circulated air of high humidity is effluxed.
Wherein, the described blinds that hangs down certainly is to having the air-conditioned room automatic vent of malleation.Generally rely on the deadweight of blinds and sagging naturally from the blinds that hangs down, the air exchange that isolating chamber is inside and outside, when room pressure during greater than outdoor air pressure, air-flow blows blinds open and outwards exhaust, otherwise room pressure is during less than outdoor air pressure, air-flow can not reverse flow be gone into indoorly, therefore from the blinds that hangs down unidirectional non-return effect is arranged.
In can being preferably, opens described fresh inlet 33 from the blinds that hangs down, because return air layer 20 is return air turn-around zone, return air transfers to down aweather from horizontal wind direction, produce malleation, help from the blinds that hangs down airtightly naturally, do not allow wind bleed, unless when wet-emitting blower 34 effluxes in a large number, produce negative pressure in the whole drying equipment 1, new wind is entered in the return air layer 20 by fresh inlet 33.
In addition, described circulating fan also blows to the heat-transfer surface of electro-heat equipment 31 to circulated air by return air layer 20 simultaneously, obtains the heat energy of electro-heat equipment 31, thereby the temperature that improves circulated air is replenished the heat energy of dried material and needed.Circulated air after the heating is directed between baking 10, hot blast provides heat of vaporization moisture to material when passing material, take away steam simultaneously, in return air layer 20, discharge a certain amount of wet wind after leaving material, and introduce the new wind of environment of equivalent, with the humidity requirement of controlled humidity to setting, and then enter hot-air chamber 30, continue to obtain heat energy by electro-heat equipment 31, return that 10 pairs of materials dewater between baking, so constantly periodic duty.
Described first portable plate 23 and second portable plate 24 be also variable to be changed to another kind of form, is two portable plates, and wherein a portable plate keeps vertical state forever, and another piece keeps level forever.The portable plate (not shown) of described vertical state can slide on comparatively near a wind isolation board 22 of back wall 12, and the portable plate (not shown) of level then covers on the described return air layer 20 slidably.When the portable plate of described vertical state slides into an end of return air layer 20, the portable plate of level then slides into the other end of return air layer 20 synchronously, at this moment, with two portable plates taking the mode of being coupling (first portable plate 23 and second portable plate 24) role is consistent, its course of work as above, can be and it will be appreciated by those skilled in the art that so repeat no more.
In described drying equipment 1, also be provided with the temperature sensor (not shown), the below that described temperature sensor can be arranged at 10 interseptal boards 21 between the top, baking of hot-air chamber 30 near Qianmen (111,112) locate, the lower edges of 1 interseptal board 21 in the middle of the base plate 15 or between baking, be used for monitoring in real time the temperature of hot blast in the drying equipment 1, and handle software and hardware control through data and be connected with the motor of control portable plate (comprising first portable plate 23 and second portable plate 24) operation, to control the frequency of portable plate rotation/slip.
Also be provided with the humidity sensor (not shown) in the described drying equipment, the below that described humidity sensor can be arranged at 10 interseptal boards 21 between the top, baking of hot-air chamber 30 near the lower edge of 10 interseptal boards 21 in the middle of the Qian Menchu, base plate 15, between baking or above the return air layer 20, below.Described humidity sensor is handled the start and stop that software and hardware is controlled wet-emitting blower 34 through data, is connected with the motor of control portable plate operation.
Under the situation that the global cycle air quantity equates,, help dehydration by strengthening nearly one times through the wind speed of material.
To sum up, the air-dry dry equipment of a kind of alternate cycles provided by the utility model, wherein alternately wind direction replaces material between high temperature low humidity (inlet side) and low temperature and high relative humidity (from end), the speed that the internal moisture of on average getting off is exosmosed and the speed of surface evaporation more can be close, help shortening stoving time, and (the same outside and inside) helps improving the quality of products, full room unanimity, the material surface does not crust, is not in for a long time under the high temperature, and all be the lifting that helps product quality.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.
Claims (10)
1. air-dry dry equipment of alternate cycles, it is enclosed to put by front wall, Hou Qiang, side wall, upper cover plate and base plate forms, and electro-heat equipment and circulating fan are installed in described drying equipment;
It is characterized in that: the inside of described drying equipment is provided with wind isolation board, interseptal board and portable plate, the quantity of described wind isolation board is two, in the described wind isolation board near plate of front wall and the space between the front wall between baking, space between two wind isolation boards is the return air layer, and plate of more close back wall is a hot-air chamber with the back space between the wall in the described wind isolation board; Described interseptal board is parallel to described side wall, and the below of described interseptal board and base plate be provided with distance, and the top of interseptal board contacts with upper cover plate; The quantity of described portable plate is two, wherein one is vertical state, it is connected on the wind isolation board of more close back wall and with upper cover plate and contacts, another piece is level and partly covers on two wind isolation boards that the vertical portable plate and the portable plate of level lay respectively at the two ends of return air layer top.
2. the air-dry dry equipment of alternate cycles according to claim 1 is characterized in that described portable plate comprises first portable plate and second portable plate, and it is coupling side by side above the wind isolation board of more close back wall; Described first portable plate and second portable plate contact with upper cover plate rotating up when reaching vertical state; Described first portable plate and second portable plate can partly cover on two wind isolation boards respectively being rotated down when being up to the standard state; Always remain 90 degree between described first portable plate and second portable plate.
3. the air-dry dry equipment of alternate cycles according to claim 1 is characterized in that, described wherein portable plate keeps vertical state, and another piece portable plate keeps level; The portable plate of described vertical state is comparatively sliding on the wind isolation board near the back wall, and the portable plate of level covers on the described return air layer slidably; When the portable plate of described vertical state slid into an end of return air layer, the portable plate of level slid into the other end of return air layer synchronously.
4. the air-dry dry equipment of alternate cycles according to claim 1, it is characterized in that, intercept between first baking by interseptal board between described baking and between second baking, and be respectively equipped with first Qianmen and second Qianmen between corresponding first baking and between second baking on the front wall.
5. the air-dry dry equipment of alternate cycles according to claim 1 is characterized in that described interseptal board extends into the top of described return air layer.
6. the air-dry dry equipment of alternate cycles according to claim 1 is characterized in that described electro-heat equipment is arranged in the described hot-air chamber; Described circulating fan is installed in the below of a plate of more close back wall in the described wind isolation board, and the air outlet of described circulating fan is towards hot-air chamber.
7. the air-dry dry equipment of alternate cycles according to claim 1 is characterized in that, the top of return air layer both sides side wall is equipped with fresh inlet; The below of return air layer both sides side wall is equipped with wet-emitting blower, and at described wet-emitting blower moisture exhausting port is installed.
8. the air-dry dry equipment of alternate cycles according to claim 7 is characterized in that, opens in described fresh inlet is selected for use from the blinds that hangs down; Described moisture exhausting port selects for use external-open from the blinds that hangs down.
9. according to claim 1, the air-dry dry equipment of 2 or 3 described alternate cycles, it is characterized in that described portable plate adopts motor driven gear driving, electronic pull bar, electronic threaded rod or electronic pulley to drive.
10. the air-dry dry equipment of alternate cycles according to claim 7, it is characterized in that, also be provided with temperature sensor and humidity sensor in the described drying equipment, described temperature sensor can be arranged in the middle of the top, base plate of hot-air chamber, the below of baking compartment plate is near the place, Qianmen or in the lower edge of baking compartment plate, and described temperature sensor is handled software and hardware control through data and is connected with the motor that the control portable plate moves; Described humidity sensor can be arranged in the middle of the top, base plate of hot-air chamber, the below of baking compartment plate is near the lower edge of Qian Menchu, baking compartment plate or at the upper and lower of return air layer, described humidity sensor is handled the start and stop that software and hardware is controlled wet-emitting blower through data, and is connected with the motor of control portable plate operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325721U CN201819525U (en) | 2010-09-15 | 2010-09-15 | Alternative circulating air drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325721U CN201819525U (en) | 2010-09-15 | 2010-09-15 | Alternative circulating air drying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201819525U true CN201819525U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205325721U Expired - Lifetime CN201819525U (en) | 2010-09-15 | 2010-09-15 | Alternative circulating air drying equipment |
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| CN (1) | CN201819525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087071A (en) * | 2010-09-15 | 2011-06-08 | 北京普照机电技术开发有限公司 | Alternately circulating air drying device |
| CN106288747A (en) * | 2016-08-19 | 2017-01-04 | 九牧厨卫股份有限公司 | A kind of ceramic blank drying pulse air feeding technique |
-
2010
- 2010-09-15 CN CN2010205325721U patent/CN201819525U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087071A (en) * | 2010-09-15 | 2011-06-08 | 北京普照机电技术开发有限公司 | Alternately circulating air drying device |
| CN102087071B (en) * | 2010-09-15 | 2012-09-05 | 北京普照机电技术开发有限公司 | Alternately circulating air drying device |
| CN106288747A (en) * | 2016-08-19 | 2017-01-04 | 九牧厨卫股份有限公司 | A kind of ceramic blank drying pulse air feeding technique |
| CN106288747B (en) * | 2016-08-19 | 2019-05-24 | 九牧厨卫股份有限公司 | A kind of ceramic blank drying pulse air feeding technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110504 Effective date of abandoning: 20120905 |