CN202454541U - Exhaust device and baking device with same - Google Patents
Exhaust device and baking device with same Download PDFInfo
- Publication number
- CN202454541U CN202454541U CN2012200039718U CN201220003971U CN202454541U CN 202454541 U CN202454541 U CN 202454541U CN 2012200039718 U CN2012200039718 U CN 2012200039718U CN 201220003971 U CN201220003971 U CN 201220003971U CN 202454541 U CN202454541 U CN 202454541U
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- heat exchange
- air
- air inlet
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- hot gas
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Abstract
The utility model discloses an exhaust device and a baking device with the exhaust device, belonging to the technical field of baking devices. The technical key points provided by the utility model are as follows: the baking device with the exhaust device comprises a hot oven, the exhaust device and a control module; a baking room and an exhaust passageway are arranged in the hot oven, wherein the exhaust passageway is communicated with the baking room so as to be used for discharging hot air in the baking room, the hot oven comprises a hot air displacement adjusting mechanism which comprises a hot air adjusting valve which can close the exhaust passageway in an opening manner; the exhaust device comprises a box, a cold air displacement adjusting mechanism and a filter, wherein a heat exchange space, a first air inlet passageway, an air discharging passageway and a second air inlet passageway are arranged in the box, wherein the first air inlet passageway is communicated with the heat exchange space and the air discharging passageway, the air discharging passageway is communicated with the heat exchange space and is positioned at the opposite end of the first air inlet passageway, and the second air inlet passageway is communicated with the heat exchange space and is positioned between the first air inlet passageway and the air discharging passageway. The utility model aims at providing the exhaust device which has a compact structure and is good in using effect, and the baking device with the exhaust device; and the baking device is used for baking.
Description
Technical field
The utility model relates to a kind of exhaust apparatus, more particularly, relates in particular to a kind of roasting plant that is used to filter the exhaust apparatus of VOC and has this exhaust apparatus.
Background technology
The baking baking box is in the process of baking circuit substrate or LCD glass substrate at present; The volatile organic solvent of coating on the substrate can evaporate into VOC; VOC can flow in the exhaust apparatus along with the hot blast of baking box, and drains into external environment condition through exhaust apparatus.
When these waste hot gas of carrying the organic chemistry solvent secretly are circulated in the exhaust apparatus; The organic chemistry solvent can because the influence that temperature reduces and condensation attached in the exhaust apparatus; When exhaust apparatus is shut down when carrying out cleaning operation,, longer during the cleaner that causes expending often because of the inconvenience on the cleaning.
The utility model content
The last purpose of the utility model is to provide a kind of compact conformation, exhaust apparatus that result of use is good, sees through the temperature of chilled air cools hot gas, makes organic chemistry solvent condenses in the hot gas on filter, so that promote convenience and the efficient on the cleaning.
Purpose that this is novel and solution prior art problem adopt following technological means to realize: a kind of exhaust apparatus, comprise a casing, a cold air air inflow governor motion, and a filter.
Be provided with the flow channel that goes out that first air inlet runner, that a heat exchange space, is connected with the heat exchange space is connected with the heat exchange space and is positioned at the first air inlet runner end opposite in the casing; And one be connected with the heat exchange space and at first air inlet runner and go out second air inlet runner between the flow channel; First air inlet runner is in order to carry hot gas to the heat exchange space, and second air inlet runner carries out heat exchange in order to carry cold air to the heat exchange space and with hot gas; Cold air air inflow governor motion comprises that one is arranged at casing and flows into the air-supply structure in the heat exchange space in order to impel cold air via second air inlet runner, and one can close second air inlet runner with opening the cold air adjuster valve; Filter is arranged in the heat exchange space and at second air inlet runner and go out between the flow channel, hot gas can be condensate on the filter through its chemical solvent after the heat exchange.
In the above-mentioned exhaust apparatus, described cold air adjuster valve comprises one in order to sealing the baffle plate that covers of second air inlet runner, and one with cover the motor that baffle plate is connected and covers the baffle plate unlatching or close in order to control.
A back purpose of the utility model is to provide a kind of roasting plant with exhaust apparatus; Adjustment accordingly changes the degree of opening along with the difference of hot gas adjuster valve opening degree through control module control cold air adjuster valve; With calculation control adjustment cold air flow and hot gas flow; The air inflow that cold air is flowed in the heat exchange space is identical or approaching with air inflow in the hot gas inflow heat exchange space, whereby, can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively; Make organic chemistry solvent condenses in the hot gas on filter, so that promote convenience and efficient on the cleaning.
In the roasting plant with exhaust apparatus of the utility model, comprise an oven, an exhaust apparatus and a control module.
Be provided with a baking vessel in the oven; And one be connected with baking vessel in order to the grate flow channel with the discharge of the hot gas in the baking vessel; Oven comprises a hot gas air displacement governor motion, and hot gas air displacement governor motion comprises that one can close the hot gas adjuster valve of grate flow channel with opening; Exhaust apparatus comprises a casing, a cold air air inflow governor motion; An and filter; Be provided with the flow channel that goes out that first air inlet runner, that a heat exchange space, is connected with heat exchange space and grate flow channel is connected with the heat exchange space and is positioned at the first air inlet runner end opposite in the casing; And one be connected with the heat exchange space and at first air inlet runner and go out second air inlet runner between the flow channel; First air inlet runner is in order to carry hot gas to the heat exchange space, and second air inlet runner carries out heat exchange in order to carry cold air to the heat exchange space and with hot gas; Cold air air inflow governor motion comprises that one is arranged at casing and flows into the air-supply structure in the heat exchange space in order to impel cold air via second air inlet runner, and one can close second air inlet runner with opening the cold air adjuster valve; Filter is arranged in the heat exchange space and at second air inlet runner and go out between the flow channel, hot gas can be condensate on the filter through its chemical solvent after the heat exchange; Control module electrically connects with hot gas adjuster valve and cold air adjuster valve respectively, opens or closes in order to control hot gas adjuster valve and cold air adjuster valve.
In the above-mentioned roasting plant with exhaust apparatus; Described hot gas adjuster valve comprises one and first covers baffle plate in order to the sealing grate flow channel; And one and first cover baffle plate and be connected in order to control first first motor that cover baffle plate unlatching or close; The cold air adjuster valve comprises one and covers baffle plate in order to seal second of second air inlet runner, and one and second covers baffle plate and is connected in order to control second second motor that cover the baffle plate unlatching or close.
Control module comprises one and electrically is connected in order to receive the program-controlled device of its sensing signal with first, second transducer in order to second transducer, of sensing through the cold air flow of second air inlet runner in order to the first sensor, of sensing through the hot gas flow of grate flow channel; And the main control unit that is electrically connected between program-controlled device and first, second motor, main control unit is in order to the controlling signal that receives program-controlled device and can control first, second motor running respectively.
In the above-mentioned roasting plant with exhaust apparatus; Described hot gas adjuster valve also comprises one and covers first switch sensor of baffle plate opening degree in order to sensing first; The cold air adjuster valve also comprises one and covers the second switch transducer of baffle plate opening degree in order to sensing second, and main control unit can receive the switch senses signal of first, second switch sensor respectively.
In the above-mentioned roasting plant with exhaust apparatus, described main control unit is electrically connected between program-controlled device and the air-supply structure, controlling signal and the may command air-supply structure running of main control unit in order to receive program-controlled device.
In the above-mentioned roasting plant with exhaust apparatus, described control module also comprises the display unit that electrically connects with program-controlled device, and display unit is in order to show thermal current value and cold air flow value.
After the utility model adopts said structure; Have following advantage and effect: can the cold air of external environment condition be delivered in the heat exchange space and by cold air air inflow governor motion and in the heat exchange space, carry out heat exchange with hot gas; Can increase the speed and the efficient of hot gas cooling effectively; Make chemical solvent condensation in the hot gas attached on the filter, can promote the convenience on the cleaning effectively.In addition; Control module can be controlled the cold air adjuster valve, and adjustment accordingly changes the degree of opening along with the difference of hot gas adjuster valve opening degree; The air inflow that cold air is flowed in the heat exchange space is identical or approaching with air inflow in the hot gas inflow heat exchange space; Whereby, can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the utility model is done further to specify, but do not constitute any restriction the utility model.
Fig. 1 is the front view of the utility model roasting plant;
Fig. 2 is the vertical view of the utility model roasting plant;
Fig. 3 is the cutaway view among Fig. 2 first, second I-I place when covering baffle plate and being closed condition respectively;
Fig. 4 is the cutaway view among Fig. 2 first, second I-I place when covering baffle plate and being opening respectively;
Fig. 5 is the structural representation of hot gas adjuster valve in the utility model roasting plant;
Fig. 6 is the structural representation of cold air adjuster valve in the utility model roasting plant;
Fig. 7 is the control flow chart of the utility model roasting plant.
Embodiment
In the following description of the utility model, similarly assembly is to represent with identical numbering.
Consult shown in Figure 1; It is this novel preferred embodiment with roasting plant of exhaust apparatus; This roasting plant 100 comprises an oven 10; And the exhaust apparatus 20 that is connected with oven 10; Oven 10 mainly is that the residual chemical solvent on circuit substrate (figure does not show) or the glass substrate (figure does not show) is evaporated into VOC by roasting mode, the VOC that exhaust apparatus 20 is produced in order to filtration oven 10, and the gaseous emission after will filtering to external environment condition or recovery use.
Like Fig. 1, Fig. 2 and shown in Figure 3; Be provided with a baking vessel 11 in the oven 10; Baking vessel 11 places in order to power supply base board or glass substrate; Oven 10 comprises a blast pipe 12, and blast pipe 12 defines the grate flow channel 121 that is connected with baking vessel 11 and discharges in order to the hot gas (that is aforesaid VOC) in the baking vessel 11.Oven 10 comprises a hot gas air displacement governor motion 13, and hot gas air displacement governor motion 13 comprises that one can close the hot gas adjuster valve 131 of grate flow channel 121 with opening.
In addition, roasting plant 100 also comprises a control module 5, and control module 5 electrically connects with hot gas adjuster valve 131 and cold air adjuster valve 32 respectively, opens or closes in order to control hot gas adjuster valve 131 and cold air adjuster valve 32.Cold air adjuster valve 32 can adjustment accordingly change the degree of opening along with the difference of hot gas adjuster valve 131 opening degrees; Making cold air flow into air inflow and hot gas in the heat exchange space 21, to flow into the interior air inflow in heat exchange space 21 identical or approaching; Whereby, can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively.
Below will be elaborated to the structure and the mode of operation of roasting plant 100:
Like Fig. 1, Fig. 2 and shown in Figure 3, the casing 2 of exhaust apparatus 20 comprises that first pipe fitting 26, that a shell 25, is convexly set in shell 25 1 sides is convexly set in second pipe fitting 27 on shell 25 tops, and one be convexly set in the shell opposite side the 3rd pipe fitting 28; Wherein, Shell 25 defines and forms heat exchange space 21, the first pipe fittings 26 and connect together with blast pipe 12 and define and form first air inlet runner, 22, the second pipe fittings 27 and define and form second air inlet runner 24; And the 3rd pipe fitting 28 defines and forms out flow channel 23; Air-supply structure 31 is installed on second pipe fitting, 27 outboard ends, and in the present embodiment, air-supply structure 31 is to be that example is explained with air blast (blower); Certainly, air-supply structure 31 also can be collection such as fan, forced draft fan or the air conditioner automatics of supplying gas for example.In addition, the filter 4 of present embodiment is to be example with a plurality of, and said filter 4 is arranged in the heat exchange space 21 spaced apartly, and each filter 4 is removably via taking out in the heat exchange space 21.
Like Fig. 3 and shown in Figure 5; Hot gas adjuster valve 131 is arranged on the blast pipe 12; Hot gas adjuster valve 131 comprises one and first covers baffle plate 132 in order to sealing grate flow channel 121; And one and first cover baffle plate 132 and be connected in order to control first first motor 133 that cover baffle plate 132 unlatchings or close, and wherein, first motor 133 of present embodiment is an inverter motor.The running that sees through first motor 133 is controlled first and is covered baffle plate 132 and open or close, whereby, can control first cover baffle plate 132 opening degrees size, flow to the air inflow in first air inlet runner 22 with the adjustment hot blast via grate flow channel 121.
Like Fig. 3 and shown in Figure 6; Cold air adjuster valve 32 is arranged on second pipe fitting 27; Cold air adjuster valve 32 comprises one and covers baffle plate 321 in order to seal second of second air inlet runner 24; And one and second cover baffle plate 321 and be connected in order to control second second motor 322 that cover baffle plate 321 unlatchings or close, and wherein, second motor 322 of present embodiment is an inverter motor.The running that sees through second motor 322 is controlled second and is covered baffle plate 321 and open or close; Whereby; Can control second cover baffle plate 321 opening degrees size, flow to the air inflow in the heat exchange space 21 with the cold air of adjustment external environment condition via second air inlet runner 24.
Like Fig. 3 and shown in Figure 7; Control module 5 comprises the first sensor 51 that is arranged in the grate flow channel 121; And second transducer 52 that is arranged in second air inlet runner 24; In the present embodiment, first sensor 51 is in order to the hot gas flow of sensing through grate flow channel 121, and second transducer 52 is in order to the cold air flow of sensing through second air inlet runner 24.Control module 5 also comprises one and electrically connects in order to receive the program-controlled device (PLC) 53 of its sensing signal with first, second transducer 51,52; And one be electrically connected at program-controlled device 53 and first, second motor 133, the main control unit between 322 54; Main control unit 54 is in order to the controlling signal that receives program-controlled device 53 and can control first, second motor 133,322 runnings respectively, covers baffle plate 132 and second and covers baffle plate 321 unlatchings to control first.In addition, main control unit 54 is electrically connected between program-controlled device 53 and the air-supply structure 31 simultaneously, controlling signal and may command air-supply structure 31 runnings of main control unit 54 in order to receive program-controlled device 53.
When the thermal current in first sensor 51 senses baking vessel 11 passes in the grate flow channel 121; The sensing signal of first sensor 51 can transfer on the program-controlled device 53; Program-controlled device 53 can produce a controlling signal to main control unit 54; Make main control unit 54 order about 133,322 runnings of first, second motor and cover baffle plate 132 and second and cover baffle plate 321 and open simultaneously, and main control unit 54 can order about air-supply structure 31 simultaneously and turn round to control first.When hot gas flows in the heat exchange space 21 via first air inlet runner 22; The drive meeting that the cold air of external environment condition sees through air-supply structure 31 flows in the heat exchange space 21 via second air inlet runner 24 simultaneously; Make cold air to carry out heat exchange, to reduce the temperature of hot gas with hot gas.
Further; In order to make cold air adjuster valve 32 adjustment accordingly change the degree of opening along with the difference of hot gas adjuster valve 131 opening degrees; In the present embodiment; Hot gas adjuster valve 131 also comprises first switch sensor 134 that is arranged in the grate flow channel 121; First switch sensor 134 covers the opening degree of baffle plate 132 in order to sensing first, and cold air adjuster valve 32 also comprises the second switch transducer 323 that is arranged in second air inlet runner 24, and second switch transducer 323 covers the opening degree of baffle plate 321 in order to sensing second; Main control unit 54 can receive the switch senses signal of first, second switch sensor 134,323 respectively, covers the opening degree of baffle plate 132,321 to judge first, second.Cover baffle plate 132 and second and cover baffle plate 321 opening degrees to some extent during difference when first; Main control unit 54 can control first motor 133 adjust first cover baffle plate 132 rotational angle; Or control second motor 322 adjust second cover baffle plate 321 rotational angle; Making cold air flow into air inflow and hot gas in the heat exchange space 21, to flow into the interior air inflow in heat exchange space 21 identical or approaching, whereby, can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively.
In addition, control module 5 also comprises the display unit 55 that electrically connects with program-controlled device 53, and display unit 55 is in order to showing the thermal current value of 51 sensings of first sensor, and the cold air flow value of 52 sensings of second transducer.After main control unit 54 receives the switch senses signal of first, second switch sensor 134,323 respectively; Can order about program-controlled device 53 transmission signals to display unit 55, make display unit 55 demonstrate the thermal current value of 51 sensings of first sensor and the cold air flow value of 52 sensings of second transducer.
Like Fig. 1, Fig. 3, Fig. 4 and shown in Figure 7; When the thermal current in first sensor 51 senses baking vessel 11 passes in the grate flow channel 121; The sensing signal of first sensor 51 can transfer on the program-controlled device 53; Program-controlled device 53 can produce controlling signal to main control unit 54; Make main control unit 54 order about 133,322 runnings of first, second motor and cover baffle plate 132 and second and cover baffle plate 321 and opens simultaneously, hot gas is flowed in the heat exchange spaces 21 via first air inlet runner 22, and the cold air of external environment condition is interior and carry out heat exchange with hot gas via second air inlet runner, 24 inflow heat exchange spaces 21 to control first.See through the setting of first, second switch sensor 134,323; Main control unit 54 can judge that first, second covers the opening degree of baffle plate 132,321; By control first motor 133 adjust first cover baffle plate 132 rotational angle; Or control second motor 322 adjust second cover baffle plate 321 rotational angle, control module 5 can flow into air inflows in the heat exchange space 21 with person's hot gas and vary in size and adjust cold air accordingly and flow into the air inflow in the heat exchange space 21, makes to flow into air inflow and hot gas in the heat exchange space 21 by cold air to flow into the interior air inflow in heat exchange space 21 identical or approaching; Whereby; Can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively, make organic chemistry solvent condenses in the hot gas on filter 4, so that promote convenience and efficient on the cleaning.
In addition; Can look air-supply structure 31 runnings that cold air air inflow governor motion 3 is controlled in the cold air actual demand by control module 5; And 32 starts of cold air adjuster valve open, to provide suitable cold air flow to heat exchange space 21, whereby; Can avoid air-supply structure 31 to change constantly, can save the consumption of air-supply structure 31 energy effectively.
Conclude above-mentioned; The roasting plant 100 of present embodiment; Can the cold air of external environment condition be delivered in the heat exchange space 21 and by cold air air inflow governor motion 3 and in heat exchange space 21, carry out heat exchange, can increase the speed and the efficient of hot gas cooling effectively with hot gas, moreover; See through control module 5 and can control cold air adjuster valve 32 degree that adjustment variation is accordingly opened along with the difference of hot gas adjuster valve 131 opening degrees; With calculation control adjustment cold air flow and hot gas flow, making cold air flow into air inflow and hot gas in the heat exchange space 21, to flow into the interior air inflow in heat exchange space 21 identical or approaching, whereby; Can promote the speed and the efficient of heat exchange between cold air and the hot gas effectively; Make organic chemistry solvent condenses in the hot gas on filter 4,, can reach the desired purpose of the utility model really so that promote convenience and efficient on the cleaning.
The above is merely the preferred embodiment of the utility model; Product can not limit the protection range of this novel enforcement with this; Be that all simple equivalent of doing according to the utility model claim and novel description change and modify, all still belong in the scope that the utility model patent contains.
Claims (8)
1. exhaust apparatus; Comprise: a casing; Be provided with the flow channel that goes out that first air inlet runner, that a heat exchange space, is connected with this heat exchange space is connected with this heat exchange space and is positioned at this first air inlet runner end opposite in the casing; And one be connected with this heat exchange space and go out second air inlet runner between the flow channel at this first air inlet runner and this; This first air inlet runner is in order to carry hot gas to this heat exchange space, and this second air inlet runner carries out heat exchange in order to carry cold air to this heat exchange space and with hot gas;
One cold air air inflow governor motion comprises that one is arranged at this casing and flows into the air-supply structure in this heat exchange space in order to impel cold air via this second air inlet runner, and one can close this second air inlet runner with opening the cold air adjuster valve; And
One filter is arranged in this heat exchange space and at this second air inlet runner and this to go out between the flow channel, and hot gas can be condensate on this filter through its chemical solvent after the heat exchange.
2. exhaust apparatus according to claim 1 is characterized in that, described cold air adjuster valve comprises one in order to sealing the baffle plate that covers of this second air inlet runner, and one covers baffle plate with this and is connected in order to control the motor that this covers the baffle plate unlatching or closes.
3. roasting plant with exhaust apparatus comprises:
One oven; Be provided with a baking vessel in the oven; And one be connected with this baking vessel in order to the grate flow channel with the discharge of the hot gas in this baking vessel; This oven comprises a hot gas air displacement governor motion, and this hot gas air displacement governor motion comprises that one can close the hot gas adjuster valve of this grate flow channel with opening;
One exhaust apparatus comprises:
One casing; Be provided with the flow channel that goes out that first air inlet runner, that a heat exchange space, is connected with this heat exchange space and this grate flow channel is connected with this heat exchange space and is positioned at this first air inlet runner end opposite in the casing; And one be connected with this heat exchange space and go out second air inlet runner between the flow channel at this first air inlet runner and this; This first air inlet runner is in order to carry hot gas to this heat exchange space, and this second air inlet runner carries out heat exchange in order to carry cold air to this heat exchange space and with hot gas;
One cold air air inflow governor motion comprises that one is arranged at this casing and flows into the air-supply structure in this heat exchange space in order to impel cold air via this second air inlet runner, and one can close this second air inlet runner with opening the cold air adjuster valve;
One filter is arranged in this heat exchange space and at this second air inlet runner and this to go out between the flow channel, and hot gas can be condensate on this filter through its chemical solvent after the heat exchange; And
One control module electrically connects with this hot gas adjuster valve and this cold air adjuster valve respectively, opens or closes in order to control this hot gas adjuster valve and this cold air adjuster valve.
4. the roasting plant with exhaust apparatus according to claim 3; It is characterized in that; Described hot gas adjuster valve comprises one and covers baffle plate in order to seal first of this grate flow channel; And one first cover baffle plate and be connected in order to control this first first motor of covering baffle plate unlatching or closing with this; This cold air adjuster valve comprises one and covers baffle plate in order to seal second of this second air inlet runner, and one second covers baffle plate and is connected in order to control this second second motor of covering the baffle plate unlatching or closing with this.
5. the roasting plant with exhaust apparatus according to claim 4; It is characterized in that; Described control module comprises one and electrically is connected in order to receive the program-controlled device of its sensing signal with this first, second transducer in order to second transducer, of sensing through the cold air flow of this second air inlet runner in order to the first sensor, of sensing through the hot gas flow of this grate flow channel; And the main control unit that is electrically connected between this program-controlled device and this first, second motor, this main control unit is in order to the controlling signal that receives this program-controlled device and can control this first, second motor running respectively.
6. the roasting plant with exhaust apparatus according to claim 5; It is characterized in that; Described hot gas adjuster valve also comprise one in order to sensing this first cover the baffle plate opening degree first switch sensor; This cold air adjuster valve also comprise one in order to sensing this second cover the baffle plate opening degree the second switch transducer, this main control unit can receive the switch senses signal of this first, second switch sensor respectively.
7. the roasting plant with exhaust apparatus according to claim 6; It is characterized in that; Described main control unit is electrically connected between this program-controlled device and this air-supply structure, controlling signal and this air-supply structure running of may command in order to receive this program-controlled device of this main control unit.
8. the roasting plant with exhaust apparatus according to claim 7 is characterized in that, described control module also comprise one with should be program-controlled the display unit that electrically connects of device, this display unit is in order to demonstration thermal current value and cold air flow value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200039718U CN202454541U (en) | 2012-01-05 | 2012-01-05 | Exhaust device and baking device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200039718U CN202454541U (en) | 2012-01-05 | 2012-01-05 | Exhaust device and baking device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454541U true CN202454541U (en) | 2012-09-26 |
Family
ID=46870380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200039718U Expired - Lifetime CN202454541U (en) | 2012-01-05 | 2012-01-05 | Exhaust device and baking device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106163115A (en) * | 2015-04-17 | 2016-11-23 | 天津玉陌科技发展有限公司 | The baking box of energy-conserving and environment-protective |
| CN111939674A (en) * | 2020-07-29 | 2020-11-17 | 浙江友谊新材料有限公司 | Device capable of accelerating filtering of furnace smoke |
-
2012
- 2012-01-05 CN CN2012200039718U patent/CN202454541U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106163115A (en) * | 2015-04-17 | 2016-11-23 | 天津玉陌科技发展有限公司 | The baking box of energy-conserving and environment-protective |
| CN111939674A (en) * | 2020-07-29 | 2020-11-17 | 浙江友谊新材料有限公司 | Device capable of accelerating filtering of furnace smoke |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
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| CX01 | Expiry of patent term |