CN101859915B - Novel energy-saving vacuum oven - Google Patents
Novel energy-saving vacuum oven Download PDFInfo
- Publication number
- CN101859915B CN101859915B CN2010102064809A CN201010206480A CN101859915B CN 101859915 B CN101859915 B CN 101859915B CN 2010102064809 A CN2010102064809 A CN 2010102064809A CN 201010206480 A CN201010206480 A CN 201010206480A CN 101859915 B CN101859915 B CN 101859915B
- Authority
- CN
- China
- Prior art keywords
- heat
- working box
- vacuum oven
- box body
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 239000013589 supplement Substances 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 24
- 206010020843 Hyperthermia Diseases 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a novel energy-saving vacuum oven, which comprises a work box body and a peripheral hot air circulation device, wherein the work box body is arranged inside an oven body, the peripheral hot air circulation device is arranged outside the work box body and is used for supplementing heat for the heat radiation of the outer wall of the work box body, and a constant temperature regulation balance device is arranged on the work box body. When the novel energy-saving vacuum oven works, transmission media inside the novel energy-saving vacuum oven are heated through the constant temperature regulation box, so the transmission media are formed into heat transmission media. When the vacuum pumping of the work box body is completed, the heat transmission media are released in the work box body, so the temperature inside the work box body is fast raised to the set temperature, and at the same time, the peripheral hot air circulation supplements the heat for the heat radiation of the outer wall of the box body. The permeation heating mode has the advantages that the temperature rise of baked objects is faster, the temperature is more uniform, local high temperature can not occur, the heat is directly transmitted to baked objects through the heating air, the heat transmission links are reduced, the loss of a large amount of heat can not be caused, because of too many heat transmission links, and the heat utilization rate is improved.
Description
[technical field]
The present invention relates to a kind of roasting plant, specifically is a kind of novel energy-saving vacuum oven that is used for making the lithium battery field.
[background technology]
Please refer to shown in Figure 1; Have the various vacuum ovens that are used to toast lithium battery in the prior art, its most of vacuum oven comprises the baking box main body, is installed on the working box 1 of baking box body interior, is formed at the outer tunnel 2 of working box 1 periphery and is arranged at the heat dynamic resource on the outer tunnel 2.Because of described heat dynamic resource is the hot air circulation mode that is made up of the outer most surrounding formula blower fan 3 that is connected with outer tunnel 2 and the constant temperature heating cabinet 4 that is installed on blower fan 3 one ends; When heating of baking constant temperature or heat radiation; This kind hot air circulation mode makes the uneven phenomenon of heat transferred of heat and working box 1 central authorities of the inner peripheral wall of working box 1 easily; Make that the temperature of inner peripheral wall is high, and the temperature of central authorities is low, causes working box 1 temperature inside difference unbalanced.This by heated air, and then with the gas heated working box outer wall after the heating, again by the gas in the outer wall heating work casing, it is slow that the hot gas in the working box heats the mode firing rate of heating object again, heat unbalancedly, thermal loss is big.
[summary of the invention]
Technical purpose of the present invention is to provide a kind of inside that makes working box to be in the novel energy-saving vacuum oven of temperature difference equilibrium state for a long time in order to solve the problem that above-mentioned prior art exists.
This novel energy-saving vacuum oven can improve the working box temperature inside transmission speed under vacuum state and improve heat utilization ratio.
In order to solve the problems of the technologies described above; The novel energy-saving vacuum oven that the present invention proposes; Comprise the working box that is installed on the baking box body interior and be arranged at working box outer be used for the peripheral heated air circulation device that heat supplement is carried out in to working box outer wall heat radiation, working box is provided with and is used to store, heat the thermostatic control balancer that transmits medium.
Described thermostatic control balancer comprises the vacuum pipe that connects with working box, be installed on being used on the vacuum pipe controls the control valve of transfer medium stream amount and is installed on the thermostatic control case that is positioned at the control valve input on the vacuum pipe.
Described thermostatic control balancer comprises the vacuum pipe that connects with working box, be installed on being used on the vacuum pipe control the transfer medium stream amount control valve, be installed on the vacuum pipe the transmission medium memory case that is positioned at the control valve input and with transmit the two-way thermostatic control case that is connected conducting in medium memory case two ends.
Described thermostatic control case comprises energy storage case and the heater that is installed in the energy storage case.
Described heater set inside is useful on the heat-generating pipe that medium is transmitted in heating.
Also be provided with another vacuum pipe on the described working box, and the external vacuum extractor that can vacuumize working box inside of said another vacuum pipe.
Described thermostatic control balancer is provided with and is used to inject the flow in pipes that transmits medium, and said flow in pipes is provided with switching control pilot.
Described transmission medium is: air is perhaps to liquid harmless to heatable substance such as the harmless gas of heatable substance, water and oils.
Described working box is to be made up of the rectangle or the round box that seal.
Described working box also is provided with the peripheral hot air circulation passage that is used for working box outer wall heat radiation is carried out heat supplement outward, and said peripheral hot air circulation passage can be through external thermal source and heat dynamic resource heating work cabinet exterior.
The present invention relates to a kind of novel energy-saving vacuum oven,, be provided with the peripheral heated air circulation device that is used for working box outer wall heat radiation is carried out heat supplement simultaneously because of its working box is provided with the thermostatic control balancer.Utilize the thermostatic control case to heat during work, make it form heat transmission medium, and be stored in the energy storage case or transmit the medium memory case inner transmitting medium; When vacuumize in the working box finish after, heat transmission medium is released in the working box through vacuum pipe, makes the working box temperature inside be elevated to the temperature of setting rapidly, simultaneously, peripheral hot air circulation is to the heat dissipation additional heat of cabinet exterior.This interior of articles is evacuated replenished the infiltration type mode of heating that interior of articles is heated with hot gas; The baked article body is heated up rapidly; More uniform temperature; Localized hyperthermia can not occur, not produce the phenomenon that internal stress is damaged toasted thing body inherent characteristic because of non-uniform temperature thereby object can not occur; Heat is directly passed to toasted thing by heated air, has reduced the heat transferred link, can not improve heat utilization ratio because of the heat transferred link too much runs off heat in a large number.In addition, the present invention also have easy and simple to handle rationally and the advantage that improves the utilization ratio of heat.
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description.
[description of drawings]
Fig. 1 is the sketch map of vacuum oven in the prior art;
Fig. 2 is novel energy-saving vacuum oven scheme 1 structure chart of the present invention.
Fig. 3 is that the present invention program 1 expands schematic structure diagram.
Fig. 4 novel energy-saving vacuum oven scheme 2 structure charts of the present invention.
[embodiment]
Please refer to shown in Figure 2ly, a kind of embodiment of novel energy-saving vacuum oven, its structure comprise the working box 5 that is installed on the baking box body interior, and the outside end of working box is provided with the thermostatic control balancer.The working box outer periphery is equipped with peripheral hot air circulation passage; Be provided with heat dynamic resource 3 and thermal source 4 in the described peripheral hot air circulation passage, described thermostatic control balancer comprises the vacuum pipe 6 that connects with working box 5, be installed on being used on the vacuum pipe 6 controls the control valve 7 of transfer medium stream amount and is installed on the thermostatic control case that is positioned at control valve 7 inputs on the vacuum pipe 6.This thermostatic control balancer can be used for transmitting the effect that medium heats, and in addition, this thermostatic control balancer can also be used to store heat transmission medium.Described transmission medium comprises air, water and oils liquid.Described air can be airborne any for compressed air, atmospheric air and roof pressure.The mode of described heating can constant temperature heating or constant temperature mode of heating not.
The thermostatic control case comprises and is connected being used for for transmitting the energy storage case 8 that medium stores, heats, the heater 9 that is installed on ends in the energy storage case 8, the pipeline 10 to vacuumizing in the working box of conducting with vacuum pipe 6.Described heater 9 set inside are useful on the heat-generating pipe that medium is transmitted in heating.Described working box 5 is to be made up of the rectangle or the round box that seal.One end of described vacuum pipe 6 is connected in working box 5 one end faces, and the other end of vacuum pipe 6 is connected with an end of energy storage case 8.The said pipeline that is used to vacuumize 10 is arranged at working box 5 one sides, and described control valve 7 is installed on the vacuum pipe 6, and is positioned near the end face of working box 5;
During baking box work, closed control valve 7 vacuumizes through 10 pairs of working box 5 inside of vacuum-pumping tube, simultaneously, injects the transmission medium to 8 li in energy storage case, and present embodiment is that example is as transmitting medium with the air; Start 9 pairs of energy storage casees of heater, 8 inner transmission media then and heat, the temperature of transmitting medium in the energy storage case 8 is raise rapidly, become heat transmission medium by transmitting medium.After vacuumizing and finish, working box 5 stops to vacuumize action; Open control valve 7; Hot gas in the energy storage case 8 is put in the working box 5, is replenished because the inner all gas of working box all takes away with hot gas, hot gas can directly infiltrate in the toasted thing air gap in the working box 5; The temperature of working box 5 inner toasted thing bodies is elevated to rapidly preestablishes temperature requirement, reach the purpose of baking toasted thing body.This scheme obviously reduces than the heating link of prior art scheme shown in Figure 1, and makes the through toasted thing body of thermal source inner, so quick heating.This novel energy-saving vacuum oven has thermostatic control, and the air themperature that gets in the working box 5 is stable; Because the vacuum degree of working box 5 interior each points is the same when vacuumizing; Since the hot gas that the replenishes each point that can evenly arrive working box 5 make and reach predefined temperature in the working box simultaneously; Utilize the hot blast in the peripheral hot air circulation passage that heat supplement is carried out in the heat radiation of working box 5 outer walls again, make the temperature of working box 5 more stable.Because the heat transmission medium temperature that gets into working box 5 from energy storage case 8 does not have the possibility that temperature raises suddenly, only can be lower or equal than the temperature before the entering working box, no high temperature dot occurs, so safety.If when heat transmission medium of feeding can not be baked to the temperature of specifying requirement with the toasted thing body in working box 5, can repeat to feed the operation of heat transmission medium, until the toasted thing body is heated to predefined temperature requirement.Heat the pyrotoxin that transmits medium and be arranged on vacuum oven inside, heat runs off few, is absorbed fully by object when heat transmission medium gets into working box 5 inside; Capacity usage ratio is high, and the heating of single periphery, heat transfer link is many and the path is complicated; Mode is single, so energy consumption is big.Certainly the thermostatic control case at pyrotoxin place also can be arranged on the vacuum oven outside, and radiating treatment is prevented in the periphery of thermostatic control case, reduces heat-energy losses equally.
Energy storage case 8 can be carried heat transmission medium to a plurality of working box 5, also can be that single working box 5 is carried heat transmission medium; As shown in Figure 3, be the conceptual scheme that 8 pairs of three working box 5 of an energy storage case are carried heat transmission medium; The heating principle is said with execution mode shown in Figure 2, and identical parts adopt same reference numerals to represent among Fig. 3.
Be illustrated in figure 4 as second kind of technical scheme of the present invention, the thermostatic control balancer of present technique scheme comprises the vacuum pipe 6 that connects with working box 5, be installed on being used on the vacuum pipe 6 control the transfer medium stream amount control valve 7, be installed on the vacuum pipe 6 the transmission medium memory case 11 that is positioned at control valve 7 inputs and with transmit the two-way thermostatic control case that is connected conducting in medium memory case 11 two ends.Transmit medium memory case 11 and be provided with transmission medium flow in pipes; Pipeline is provided with switching control pilot; The thermostatic control case is made up of energy storage case 8 and the heater 9 that is installed in the energy storage case 8, and heater 9 set inside are useful on the heat-generating pipe that medium is transmitted in heating.Also be provided with heat dynamic resource 13 in the energy storage case 8, during baking box work, closed control valve 7 and seal cover 12 vacuumize through 10 pairs of working box 5 inside of vacuum-pumping tube, inject the transmission medium to transmitting 11 li in medium memory case simultaneously, and present embodiment is example with the air; Starting 9 pairs of energy storage casees of heater, 8 inner transmission media then heats; The temperature of transmitting medium in the energy storage case 8 is raise rapidly; Become heat transmission medium by transmitting medium; Heat dynamic resource 13 in the energy storage case 8 starts simultaneously, energy storage case 8 is flowed with transmission medium memory case 11 interior transmission medium circulation form balanced heat transmission medium.After vacuumizing and finish, working box 5 stops to vacuumize action; Open control valve 7; The hot gas that transmits in the medium memory case 11 is put in the working box 5, is replenished because the inner all gas of working box all takes away with hot gas, hot gas can directly infiltrate in the toasted thing air gap; The temperature of working box 5 inner toasted thing bodies is elevated to rapidly preestablishes temperature requirement, reach the purpose of baking toasted thing body.Can store more transmission medium in the transmission medium memory case 11 described in this programme, carry more thermal energy; Can carry a plurality of working box 5 and transmit medium, also can carry certainly and transmit medium single working box 5.
Scheme one all should be protected with the technical scheme that the simply expansion mode of technical scheme that scheme two is adopted realizes, expands to be applied to as shown in Figure 3 such as scheme two and carries the embodiment that transmits medium to three working box 5.The thermostatic control balancer also should obtain protection in the variation of the link position of whole vacuum oven; Be exactly the heat energy vacuum baking box that is of the present invention in addition; This scheme also can be applied to the mode of material being carried out cold treatment; Only be that thermal source is replaced with refrigeration source, adopt this programme that material is carried out cold treatment and also should obtain protection.
In sum, utilize the thermostatic control case to heat during work, make it form heat transmission medium, and be stored in energy storage case inside transmitting medium; When vacuumize finish after, heat transmission medium is released in the working box, makes the working box temperature inside be elevated to the temperature of setting rapidly, simultaneously, peripheral hot air circulation is to the heat dissipation additional heat of cabinet exterior.This interior of articles is evacuated replenished the infiltration type mode of heating that interior of articles is heated with hot gas; It is faster that the toasted thing body is heated up; More uniform temperature; Localized hyperthermia can not occur, not produce the phenomenon that internal stress is damaged toasted thing body inherent characteristic because of non-uniform temperature thereby object can not occur; Heat is directly passed to toasted thing by heated air, has reduced the heat transferred link, can not improve heat utilization ratio because of the heat transferred link too much runs off heat in a large number, has practiced thrift the energy.
Claims (8)
1. vacuum oven; Comprise the working box that is installed on the baking box body interior and be arranged at working box outer be used for the peripheral heated air circulation device that heat supplement is carried out in to working box outer wall heat radiation; Working box is provided with and is used to store, heat the thermostatic control balancer that transmits medium, it is characterized in that: described thermostatic control balancer comprises the vacuum pipe that connects with working box, be installed on being used on the vacuum pipe controls the control valve of transfer medium stream amount and is installed on the thermostatic control case that is positioned at the control valve input on the vacuum pipe.
2. a kind of vacuum oven according to claim 1 is characterized in that: described thermostatic control balancer also comprise the transmission medium memory case that is positioned at the control valve input that is installed on the vacuum pipe and with transmit the two-way thermostatic control case that is connected conducting in medium memory case two ends.
3. a kind of vacuum oven according to claim 1 and 2 is characterized in that: described thermostatic control case comprises energy storage case and the heater that is installed in the energy storage case.
4. a kind of vacuum oven according to claim 3 is characterized in that: described heater set inside is useful on the heat-generating pipe that medium is transmitted in heating.
5. a kind of vacuum oven according to claim 1 is characterized in that: also be provided with another vacuum pipe on the described working box, and the external vacuum extractor that can vacuumize working box inside of said another vacuum pipe.
6. a kind of vacuum oven according to claim 1 is characterized in that: described thermostatic control balancer is provided with and is used to inject the flow in pipes that transmits medium, and said flow in pipes is provided with switching control pilot.
7. a kind of vacuum oven according to claim 1 is characterized in that: described transmission medium is: to harmless gas of heatable substance and/or the liquid harmless to heatable substance.
8. a kind of vacuum oven according to claim 1 is characterized in that: described working box is to be made up of the rectangle or the round box that seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102064809A CN101859915B (en) | 2010-05-11 | 2010-06-07 | Novel energy-saving vacuum oven |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020192824 | 2010-05-11 | ||
| CN201020192824.0 | 2010-05-11 | ||
| CN2010102064809A CN101859915B (en) | 2010-05-11 | 2010-06-07 | Novel energy-saving vacuum oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101859915A CN101859915A (en) | 2010-10-13 |
| CN101859915B true CN101859915B (en) | 2012-10-03 |
Family
ID=42945663
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102064809A Active CN101859915B (en) | 2010-05-11 | 2010-06-07 | Novel energy-saving vacuum oven |
| CN2010202312081U Expired - Lifetime CN201697432U (en) | 2010-05-11 | 2010-06-07 | Novel energy-saving vacuum oven |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202312081U Expired - Lifetime CN201697432U (en) | 2010-05-11 | 2010-06-07 | Novel energy-saving vacuum oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101859915B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859915B (en) * | 2010-05-11 | 2012-10-03 | 深圳市信宇人科技有限公司 | Novel energy-saving vacuum oven |
| CN104061765B (en) * | 2014-06-26 | 2016-03-23 | 深圳市信宇人科技有限公司 | The vacuum oven that can be rapidly heated |
| CN105890296B (en) * | 2015-12-25 | 2018-08-28 | 深圳市信宇人科技股份有限公司 | Safe and efficient tunnel type vacuum oven |
| CN105716389A (en) * | 2016-04-09 | 2016-06-29 | 牡丹江等离子体物理应用科技有限公司 | Low-pressure vacuum drying cabinet |
| CN107024080A (en) * | 2017-05-18 | 2017-08-08 | 河北工业大学 | A kind of vacuum drying process and drying equipment of lithium ion battery raw material |
| CN111096345A (en) * | 2019-11-26 | 2020-05-05 | 南宁万国食品有限公司 | Preparation method of cake for old friends |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2246276Y (en) * | 1995-09-13 | 1997-01-29 | 崔现刚 | Auto-controlled vacuum drier |
| DE10148548C5 (en) * | 2001-10-01 | 2006-03-23 | Miwe Michael Wenz Gmbh | oven |
| CN2798001Y (en) * | 2004-12-28 | 2006-07-19 | 比亚迪股份有限公司 | Hot air curculation baking device |
| CN201138122Y (en) * | 2007-12-12 | 2008-10-22 | 李庆武 | Heated air circulation bake oven capable of realizing gradient of temperature |
| CN101749929A (en) * | 2010-01-20 | 2010-06-23 | 常州亿晶光电科技有限公司 | Special baking oven for silicon material |
| CN101859915B (en) * | 2010-05-11 | 2012-10-03 | 深圳市信宇人科技有限公司 | Novel energy-saving vacuum oven |
-
2010
- 2010-06-07 CN CN2010102064809A patent/CN101859915B/en active Active
- 2010-06-07 CN CN2010202312081U patent/CN201697432U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN101859915A (en) | 2010-10-13 |
| CN201697432U (en) | 2011-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101859915B (en) | Novel energy-saving vacuum oven | |
| CN101655310B (en) | Protective atmosphere vacuum sintering furnace with high temperature of 1800 DEG C | |
| CN207570217U (en) | A kind of baking oven of efficient heat transfer | |
| CN104596210A (en) | Degreasing furnace | |
| CN105546946A (en) | Constant-temperature high-vacuum drying oven for battery and capacitor production | |
| CN106610222A (en) | Heat treatment equipment | |
| CN203369343U (en) | Tea dryer capable of transferring heat energy through liquid medium | |
| CN205537063U (en) | High sealed electrothermal blowing dry box | |
| CN103822469A (en) | Box-type resistance furnace | |
| CN104232850A (en) | Conveyor line type heat treatment device | |
| CN103331446A (en) | Low-temperature hot air circulation heat treatment furnace for magnetic core and application method of heat treatment furnace | |
| CN208887262U (en) | Vacuum tank equipment | |
| CN204141994U (en) | Regenerative gas heating furnace | |
| CN204421513U (en) | A kind of debinding furnace | |
| CN204027353U (en) | A kind of exhaust heat of gas furnace re-use device | |
| CN203642475U (en) | Full-automatic direct-type fuel gas hot air heating furnace | |
| CN105444570A (en) | Heat accumulating type gas heating furnace | |
| CN204648847U (en) | A kind of infra-red radiation baking oven | |
| CN204830459U (en) | Hot air stove | |
| CN206176907U (en) | Air -cushion type strip dry -off oven | |
| CN208794983U (en) | A kind of multi-layer drawer holding furnace | |
| CN201724567U (en) | Recycling device of nitriding furnace heat energy | |
| CN202229287U (en) | Pump-less circulating heating device | |
| CN203274437U (en) | High-temperature oven free of hot air circulation | |
| CN217929705U (en) | Pulse type energy-saving dryer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Longgang District of Shenzhen City, Guangdong province 518000 Dragon Street Huilong Po community hoffen (Longgang) Industrial Area No. 2 plant floor, two floor, third floor, four floor Patentee after: Shenzhen xinyuren Polytron Technologies Inc Address before: 518116, Guangdong, Longgang District, Shenzhen City Liuzhou street, Liuzhou West Community third industrial zone on the third floor of 8 Patentee before: Shenzhen Xinyuren Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen xinyuren Polytron Technologies Inc Document name: Notification of Passing Examination on Formalities |
|
| DD01 | Delivery of document by public notice | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lock catch of vacuum oven Effective date of registration: 20190410 Granted publication date: 20121003 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen xinyuren Polytron Technologies Inc Registration number: 2019990000315 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200722 Granted publication date: 20121003 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN XINYUREN TECHNOLOGY Co.,Ltd. Registration number: 2019990000315 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |