CN105387726A - Air pressure balance adjusting device - Google Patents
Air pressure balance adjusting device Download PDFInfo
- Publication number
- CN105387726A CN105387726A CN201510966553.7A CN201510966553A CN105387726A CN 105387726 A CN105387726 A CN 105387726A CN 201510966553 A CN201510966553 A CN 201510966553A CN 105387726 A CN105387726 A CN 105387726A
- Authority
- CN
- China
- Prior art keywords
- guide channel
- air guide
- air
- muffle furnace
- air pressure
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
Abstract
The invention discloses an air pressure balance adjusting device for balance adjustment of internal air pressure and external air pressure of a muffle furnace. The air pressure balance adjusting device comprises a valve seat. A first air guide channel is formed in the valve seat, the valve seat is provided with a cylindrical sleeve, the outer wall of the cylindrical sleeve is inserted into the side wall of the muffle furnace, and a valve body is arranged in the inner hole of the cylindrical sleeve. A second air guide channel is formed in the left side of the valve body and is communicated with the first air guide channel. A third air guide channel is formed in the right side of the valve body. A guide cavity is formed in the top of the valve body and is communicated with the second air guide channel and the third air guide channel, a pressing block is arranged in the guide cavity, and the two ends of the pressing block press the second air guide channel and the third air guide channel respectively. The valve seat is provided with an air inlet, the valve body is provided with an air outlet, the air inlet is formed inside the muffle furnace, and the air outlet is formed outside the muffle furnace. The air pressure balance adjusting device can effectively remove the difference between the air pressure inside the muffle furnace and the air pressure outside the muffle furnace, guarantee normal heating of material and effectively guarantee normal use of the muffle furnace.
Description
Technical field
The present invention relates to air pressure adjustment field, more particularly, particularly a kind of air pressure balance adjusting device.
Background technology
In the industrial production; for further facilitating the heat treated control of material; usual meeting installs Muffle furnace at the inner chamber of some industrial furnaces; then material is placed on Muffle furnace inside to process; so; there is provided double shielding both can to the heat treatment process of material, again can the heat treatment environment of more stability contorting material.Muffle furnace is that English Mufflefurnace translation is come.Muffle is the meaning of parcel, and furnace is stove, the meaning of smelting furnace.Muffle furnace has following several at the general call of China: electric furnace, resistance furnace, luxuriant good fortune stove, muffle furnace.Muffle furnace is a kind of general firing equipment, can be divided into batch-type furnace, tube furnace, crucible furnace according to face shaping, and what Muffle furnace adopted is enclosed construction.Carry out at material, in the process heated, being oxidized under preventing the hot environment of material, usually need to vacuumize process to the inner chamber of industrial furnace, in the process vacuumized, the air pressure of industrial furnace inner chamber can decline rapidly, and Muffle furnace internal gas pressure is unaffected.So, there is pressure differential in the inside and outside meeting of Muffle furnace, and industrial furnace inner chamber vacuum is higher, pressure differential is larger, and when pressure differential acquires a certain degree, the sidewall of Muffle furnace will deform, severe patient even causes the damage of Muffle furnace, the extreme influence heat treatment flow process of material.
In prior art; for overcoming above-mentioned defect; usual meeting installs a wireway on Muffle furnace sidewall; then another root wireway is installed on industrial furnace sidewall; then above-mentioned two wireways are drawn to industrial furnace outside; again two wireways are linked together, thus realize the air pressure balance between industrial furnace inner chamber and Muffle furnace inner chamber.Although use said apparatus can solve the unbalanced problem of Muffle furnace inside and outside differential pressure to a certain extent, but due to connect from Muffle furnace outside a wireway pass into Muffle furnace inner chamber time, need first perforate on industrial furnace and Muffle furnace sidewall, directly being inserted by wireway is embedded in this hole again, so when external atmosphere pressure and industrial furnace internal pressure differences reach certain limit, be easy to cause gas leak phenomenon to occur, affect the normal heating of material; In addition, use the structure of above-mentioned two wireway forms to be easy to break down in high temperature environments, have a strong impact on the normal use of Muffle furnace.
In sum, how to provide a kind of draught head can effectively eliminated inside and outside Muffle furnace, ensure material normal heating, effectively can guarantee that again the air pressure balance adjusting device that Muffle furnace normally uses becomes those skilled in the art's problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of air pressure balance adjusting device, this air pressure balance adjusting device is by its structural design, effectively can eliminate the draught head inside and outside Muffle furnace, ensure material normal heating, effectively can guarantee again the normal use of Muffle furnace.
A kind of air pressure balance adjusting device, for the balance adjustment of Muffle furnace inner and outer air pressure, comprise valve seat, the first air guide channel is provided with in described valve seat, described valve seat is provided with cylindrical sleeve, the outer wall of described cylindrical sleeve is inserted and is embedded on the sidewall of Muffle furnace, valve body is provided with in the endoporus of described cylindrical sleeve, the second air guide channel is provided with on the left of described valve body, described second air guide channel is connected with described first air guide channel, the 3rd air guide channel is provided with on the right side of described valve body, described body top is provided with diversion cavity, described diversion cavity is connected with described 3rd air guide channel with described second air guide channel, briquetting is provided with in described diversion cavity, described briquetting both sides are pressed on described second air guide channel and described 3rd air guide channel respectively, described valve seat is provided with air inlet, described air inlet is used for described first air guide channel and described valve seat ft connection, described valve body is provided with gas outlet, described gas outlet is used for described 3rd air guide channel and described valve body ft connection, described air inlet and described gas outlet are separately positioned on the inside of Muffle furnace with outside.
Preferably, sealing block is provided with between the endoporus of described cylindrical sleeve and described valve body.
The invention has the beneficial effects as follows: air pressure balance adjusting device provided by the invention, by its structural design, effectively can eliminate the draught head inside and outside Muffle furnace, ensure material normal heating, effectively can guarantee again the normal use of Muffle furnace.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Accompanying drawing 1 is a kind of air pressure balance adjusting device of embodiment of the present invention overall structure schematic diagram;
Accompanying drawing 2 is the structural representation of a kind of air pressure balance adjusting device of embodiment of the present invention when being arranged on Muffle furnace.
Detailed description of the invention
In order to make those skilled in the art person understand technical scheme in the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described,
Obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
See accompanying drawing 1 and accompanying drawing 2, accompanying drawing 1 and figure 2 provides a kind of specific embodiment of the present invention, wherein, accompanying drawing 1 be embodiment of the present invention one air pressure balance adjusting device overall structure schematic diagram; Accompanying drawing 2 is the structural representation of a kind of air pressure balance adjusting device of embodiment of the present invention when being arranged on Muffle furnace.
As shown in Figures 1 and 2, the invention provides a kind of air pressure balance adjusting device, for the balance adjustment of Muffle furnace 11 inner and outer air pressure, comprise valve seat 1, first air guide channel 2, cylindrical sleeve 3, valve body 4, second air guide channel 5, the 3rd air guide channel 6, diversion cavity 7, briquetting 8, air inlet 9 and gas outlet 10.
Air pressure balance adjusting device provided by the invention comprises valve seat 1, is provided with the first air guide channel 2, valve seat 1 is provided with cylindrical sleeve 3 in valve seat 1, the outer wall of cylindrical sleeve 3 insert be embedded in Muffle furnace 11 sidewall on.
Be provided with valve body 4 in the endoporus of cylindrical sleeve 3, be provided with the second air guide channel 5, second air guide channel 5 on the left of valve body 4 and be connected with the first air guide channel 2, on the right side of valve body 4, be provided with the 3rd air guide channel 6.
Valve body 4 top is provided with diversion cavity 7, and diversion cavity 7 is connected with the 3rd air guide channel 6 with the second air guide channel 5, is provided with briquetting 8 in diversion cavity 7, and briquetting 8 both sides are pressed on the second air guide channel 5 and the 3rd air guide channel 6 respectively.
Valve seat 1 is provided with air inlet 9, air inlet 9 is for by the first air guide channel 2 and valve seat 1 ft connection, valve body 4 is provided with gas outlet 10, gas outlet 10 is for by the 3rd air guide channel 6 and valve body 4 ft connection, and air inlet 9 and gas outlet 10 are separately positioned on the inside of Muffle furnace 11 with outside.
In specific implementation process, Muffle furnace 11 is arranged in industrial furnace, when industrial furnace carries out vacuumizing process, when inside and the outside pressure differential of Muffle furnace 11 do not exceed rated pressure difference, briquetting 8 keeps the state of whereabouts, is pressed on the second air guide channel 5 and the 3rd air guide channel 6.Now, air pressure balance adjusting device internal gas flow passage provided by the invention is in closure state, and air-flow cannot be circulated between the inside and outside of Muffle furnace 11 by air pressure balance adjusting device.
When the inside of Muffle furnace 11 exceedes rated pressure difference with outside pressure differential, the briquetting 8 be pressed on the second air guide channel 5 and the 3rd air guide channel 6 can by air-flow jack-up, so, air pressure balance adjusting device internal gas flow passage provided by the invention is in open mode.Air-flow can be entered by air inlet 9, successively by the first air guide channel 2, second air guide channel 5, the 3rd air guide channel 6, finally derive from gas outlet 10, because air inlet 9 and gas outlet 10 are separately positioned on the inside of Muffle furnace 11 with outside, the air pressure balance of the inside and outside that so can realize Muffle furnace 11 by air pressure balance adjusting device provided by the invention regulates.
In the present invention, the inside of Muffle furnace 11 and outside rated pressure difference can be regulated by the weight arranging briquetting 8.
In the present invention, airflow direction is from the low region of the field flow orientation air pressure that air pressure is high, if the air pressure inside of Muffle furnace 11 lower than with external pressure, air-flow then can enter from gas outlet 10, and from air inlet 9 out.
Generally, air pressure balance adjusting device provided by the invention, by its structural design, effectively can eliminate the draught head inside and outside Muffle furnace, ensures material normal heating, effectively can guarantee again the normal use of Muffle furnace.
In the present embodiment, for improving the sealing property of air pressure balance adjusting device further, between the endoporus of cylindrical sleeve 3 and described valve body 4, be provided with sealing block.
Above a kind of air pressure balance adjusting device provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (2)
1. an air pressure balance adjusting device, for the balance adjustment of Muffle furnace inner and outer air pressure, it is characterized in that, comprise valve seat, the first air guide channel is provided with in described valve seat, described valve seat is provided with cylindrical sleeve, the outer wall of described cylindrical sleeve is inserted and is embedded on the sidewall of Muffle furnace, valve body is provided with in the endoporus of described cylindrical sleeve, the second air guide channel is provided with on the left of described valve body, described second air guide channel is connected with described first air guide channel, the 3rd air guide channel is provided with on the right side of described valve body, described body top is provided with diversion cavity, described diversion cavity is connected with described 3rd air guide channel with described second air guide channel, briquetting is provided with in described diversion cavity, described briquetting both sides are pressed on described second air guide channel and described 3rd air guide channel respectively, described valve seat is provided with air inlet, described air inlet is used for described first air guide channel and described valve seat ft connection, described valve body is provided with gas outlet, described gas outlet is used for described 3rd air guide channel and described valve body ft connection, described air inlet and described gas outlet are separately positioned on the inside of Muffle furnace with outside.
2. air pressure balance adjusting device according to claim 1, is characterized in that, is provided with sealing block between the endoporus of described cylindrical sleeve and described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966553.7A CN105387726B (en) | 2015-12-21 | 2015-12-21 | A kind of air pressure balance adjusting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966553.7A CN105387726B (en) | 2015-12-21 | 2015-12-21 | A kind of air pressure balance adjusting means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387726A true CN105387726A (en) | 2016-03-09 |
| CN105387726B CN105387726B (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966553.7A Active CN105387726B (en) | 2015-12-21 | 2015-12-21 | A kind of air pressure balance adjusting means |
Country Status (1)
| Country | Link |
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| CN (1) | CN105387726B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210555A (en) * | 1995-02-01 | 1996-08-20 | Toa Koukiyuu Keishiyu Valve Seizo Kk | Water hammer preventing device for water tap |
| JP2005227867A (en) * | 2004-02-10 | 2005-08-25 | Toyota Motor Corp | Pressure regulating valve |
| CN201065977Y (en) * | 2007-05-30 | 2008-05-28 | 博益(天津)气动技术研究所有限公司 | Low temperature gas pressure regulator |
| CN203656293U (en) * | 2013-11-18 | 2014-06-18 | 江苏中凯流体控制设备有限公司 | High-temperature pressure balance type regulating valve |
| CN203656295U (en) * | 2013-12-13 | 2014-06-18 | 四川嘉星燃气设备制造有限公司 | Direct action high pressure air pressure balance type pressure regulator |
| CN204253217U (en) * | 2014-11-27 | 2015-04-08 | 贾学仪 | Atmospheric pressure balanced type single-stage vehicle fuel pressure reducing regulator |
| CN204512570U (en) * | 2014-12-30 | 2015-07-29 | 特瑞斯能源装备股份有限公司 | The Equilibrator of pressure governor |
| CN204692677U (en) * | 2015-02-06 | 2015-10-07 | 洛阳市西灵机电科技有限公司 | Air pressure regulator |
-
2015
- 2015-12-21 CN CN201510966553.7A patent/CN105387726B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210555A (en) * | 1995-02-01 | 1996-08-20 | Toa Koukiyuu Keishiyu Valve Seizo Kk | Water hammer preventing device for water tap |
| JP2005227867A (en) * | 2004-02-10 | 2005-08-25 | Toyota Motor Corp | Pressure regulating valve |
| CN201065977Y (en) * | 2007-05-30 | 2008-05-28 | 博益(天津)气动技术研究所有限公司 | Low temperature gas pressure regulator |
| CN203656293U (en) * | 2013-11-18 | 2014-06-18 | 江苏中凯流体控制设备有限公司 | High-temperature pressure balance type regulating valve |
| CN203656295U (en) * | 2013-12-13 | 2014-06-18 | 四川嘉星燃气设备制造有限公司 | Direct action high pressure air pressure balance type pressure regulator |
| CN204253217U (en) * | 2014-11-27 | 2015-04-08 | 贾学仪 | Atmospheric pressure balanced type single-stage vehicle fuel pressure reducing regulator |
| CN204512570U (en) * | 2014-12-30 | 2015-07-29 | 特瑞斯能源装备股份有限公司 | The Equilibrator of pressure governor |
| CN204692677U (en) * | 2015-02-06 | 2015-10-07 | 洛阳市西灵机电科技有限公司 | Air pressure regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387726B (en) | 2017-11-07 |
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Address after: 410118 Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road and west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: 410118 Hunan province Changsha Muyun Economic Development Zone top science and Technology Park Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: 410118 Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road and west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: Hunan Dingli Technology Co.,Ltd. Address before: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |