CN103215537A - Zincizing furnace with explosion-proof device - Google Patents
Zincizing furnace with explosion-proof device Download PDFInfo
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- CN103215537A CN103215537A CN201310177708XA CN201310177708A CN103215537A CN 103215537 A CN103215537 A CN 103215537A CN 201310177708X A CN201310177708X A CN 201310177708XA CN 201310177708 A CN201310177708 A CN 201310177708A CN 103215537 A CN103215537 A CN 103215537A
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Abstract
The invention relates to a thermal treatment furnace, and in particular relates to a zincizing furnace with an explosion-proof device. A furnace pipe is arranged in a furnace body and is capable of rotating in the furnace body 11 under the driving of a motor; one end of the furnace pipe 13 is provided with an explosion-proof device comprising an explosion-proof sealing plate 7, a spring 6, a locating plate 5 and an explosion-proof bolt 8, wherein the explosion-proof bolt 8 is welded on a supporting cylinder end plate 19; the locating plate 5 is fixed at the end part of the explosion-proof bolt 8 through a nut; the explosion-proof sealing plate 7 is nail-shaped; the spring 6 is sleeved on a spring bearing of the explosion-proof sealing plate 7 and is tightly pressed between the explosion-proof sealing plate 7 and the locating plate 5; the spring bearing of the explosion-proof sealing plate 7 passes through a center hole of the locating plate 5 and overhangs axially and freely; and the explosion-proof sealing plate 7 is tightly adhered to the supporting cylinder end plate 19 under the action of a spring force. When pressure in the furnace pipe 13 reaches a certain numerical value, the spring force is overcome, and the explosion-proof sealing plate 7 is opened to deflate timely and automatically so as to achieve the purpose of safety and explosion proof.
Description
Technical field
The present invention relates to a kind of heat treatment heating furnace, particularly a kind of Sherardizing furnace that has explosion-proof equipment.
Background technology
Sherardizing furnace is a kind ofly can carry out the heat treated process furnace of zincizing to the workpiece to be machined surface.During work, metal works and zinc powder are put into flue, by heat, make zinc powder be penetrated into the metallic surface internal layer, thereby zincizing thermal treatment is carried out in the metallic surface of workpiece, to improve the antiseptic property on workpiece metal surface.
Sherardizing furnace mainly is made up of body of heater and flue, body of heater by two relatively the pallet car type body of heater of folding constitute, flue is located in the body of heater, and can rotate in body of heater under the driving of motor; Be provided with heating unit in the body of heater,, can carry out high-temperature heating treatment the workpiece in the flue by thermal radiation.During heat treated; compound zinc powder is in workpiece places flue; under 400 ℃ of-500 ℃ of high temperature; through fully stirring; zinc powder is penetrated in the metallic surface of each workpiece equably; thereby make the metallic surface of workpiece form the layer of metal protective layer, to finish the zincizing thermal treatment process on workpiece metal surface.
Contain raw materials such as ammonia chloride in the compound zinc powder, can produce gases such as chlorine and ammonia in heat-processed, make to produce pressure in the flue, flue pressure is generally 0.1-0.2MPA.At present, for the pressure-controlling of flue, be manually to exit by the tensimeter that observation is installed on the stove end cap.In the work, finishing furnaceman's part zincizing heat treatment period was at least 6-8 hour, wherein, the operator will regularly exit 8-10 time, in this process, the carelessness in case the workman works, fail venting in time, the air pressure in the flue can increase along with the rising of temperature, and is light then cause the phenomenon of the end caps generation flame of flue, heavy then flue blast takes place, cause life danger.
At present, most Sherardizing furnace flue is to carry out input and output material by single-ended or both-end, and is for the big workpiece that will load and unload by means of lifting appliance, if at flue two ends input and output material, very inconvenient.
Summary of the invention
Technical barrier to be solved by this invention is, overcomes the deficiencies in the prior art, and a kind of Sherardizing furnace that has explosion-proof equipment is provided.
Technical solution of the present invention is, comprises body of heater, flue, motor, base and bracing frame, and flue is located in the body of heater, and can rotate in body of heater under the driving of motor; The two ends of flue are provided with support tube, and its support tube stretches out outside the body of heater and by support roller and bracing frame lifting type and is supported on the base; Body of heater is made of two symmetrically arranged semicylinders, is respectively equipped with roller under two semicylinders of body of heater, and base is provided with the track that two semicylinders that can make body of heater are realized relative open and close movement, is provided with heating unit in the thermal insulation layer in one week of body of heater; The support tube inner chamber communicates with the flue inner chamber, the end of support tube is provided with the support tube end plate, it is characterized in that: the support tube of flue one end is provided with explosion-proof equipment, its explosion-proof equipment comprises explosive-proof sealed plate, spring, strongback and explosion-proof bolt, explosion-proof bolt is welded on the support tube end plate, strongback is fixed on the end of explosion-proof bolt by nut, and explosive-proof sealed plate and spring place between support tube end plate and the strongback; Explosive-proof sealed plate is nail-shaped, is made of base plate and spring bearing, and spring is placed on the spring bearing of explosive-proof sealed plate, and is pressed between the base plate and strongback of explosive-proof sealed plate; Strongback is provided with centre hole, and the spring bearing on the explosive-proof sealed plate passes the centre hole of strongback and axially freely overhangs; Base plate on the explosive-proof sealed plate is being close on the end plate of support tube under the effect of spring force, and the flue inner chamber is sealed and opens.
The opening for feed of flue is located at the top, and opening for feed is provided with the flue top cover, connects by bolting between flue top cover and the flue.
The cross section of flue is sexangle.
Between motor and the flue by the direct geared transmission.
Be provided with gasket between the base plate of explosive-proof sealed plate and the support tube end plate, gasket places the sealing groove of explosive-proof sealed plate base plate.
The outside courage body of flue is provided with cellular stiffening web.
The advantage that the present invention is compared with prior art possessed: the one, an end of flue is provided with the pressure explosion-proof equipment, when the flue internal pressure surpasses certain pressure, will overcome spring pressure, open explosive-proof sealed plate, in time the gas in the flue is exitted, to reduce the pressure of flue inner chamber; When the pressure in the flue was reduced to certain numerical value, explosive-proof sealed plate is self-return under the effect of spring force, and the flue inner chamber is stopped up sealing, and is reciprocal with this, reaches explosion-proof effect; The 2nd, the flue feed inlet and outlet is located at the top of hexagonal cylindrical shell, can utilize lifting appliance that big workpiece is carried out the input and output material loading and unloading.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the cross-sectional view of flue 13.
Number in the figure: 1-base, 2-bracing frame, 3-support roller, 4-motor, the 5-strongback, 6-spring, the explosive-proof sealed plate of 7-, 8-explosion-proof bolt, the 9-gear, 10-support tube, 11-body of heater, the 12-heating unit, 13-flue, 14-bolt, the 15-stiffening web, 16-roller, 17-track, the 18-gasket, 19-flue end plate, 20-flue top cover.
Specific implementation method
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail:
Sherardizing furnace of the present invention comprises body of heater 11, flue 13, motor 4, base 1 and bracing frame 2, and flue 13 is located in the body of heater 11, and can rotate in body of heater 11 under the driving of motor 4; The two ends of flue 13 are provided with support tube 10, and its support tube 10 stretches out outside the body of heater 11 and by support roller 3 and bracing frame 2 lifting types and is supported on the base 1.Body of heater 11 is made of two symmetrically arranged pallet car type semicylinders, is respectively equipped with roller 16 under two semicylinders of body of heater 11, and base 1 is provided with the track 17 that two semicylinders that can make body of heater 11 are realized relative open and close movement.Be provided with the heating unit 12 that can carry out the radiation formula heating in the thermal insulation layer in 11 1 weeks of body of heater to flue 13.
Described explosion-proof equipment mainly is made up of explosive-proof sealed plate 7, spring 6, strongback 5 and explosion-proof bolt 8.Explosion-proof bolt 8 is welded on the support tube end plate 19, and strongback 5 is fixed on the end of explosion-proof bolt 8 by nut, and explosive-proof sealed plate 7 and spring 6 place between support tube end plate 19 and the strongback 5; Explosive-proof sealed plate 7 is nail-shaped, is made of base plate and spring bearing, and spring 6 is placed on the spring bearing of explosive-proof sealed plate 7, and is pressed between the base plate and strongback 5 of explosive-proof sealed plate 7.Strongback 5 is provided with centre hole, and the spring bearing on the explosive-proof sealed plate 7 passes the centre hole of strongback 5 and axially freely overhangs.Base plate on the explosive-proof sealed plate 7 is being close on the support tube end plate 19 under the effect of spring force, and flue 13 inner chambers are sealed and open.
The opening for feed of flue 13 is located at the top, and opening for feed is provided with flue top cover 20, is fixedly connected by bolt 14 between flue top cover 20 and the flue 13.The cross section of flue 13 is sexangle, can effectively reduce the mutual impact damage of workpiece in the flue, the centrifugal force in the time of also can reducing workpiece simultaneously and rotate in flue 13.Attachment bolt 14 movable being suspended on flue 13 ectosomes of flue top cover 20 and flue 13, flue top cover 20 is equipped with the U-bolt groove with the opening for feed joint of flue 13, with convenient fixing or loading and unloading flue top cover 20.
By the transmission of gear direct connection, wherein master wheel 9 directly is welded on the support tube 10, has reduced transmission link, and is simple in structure between embodiment of the invention motor 4 and the flue 13, steadily reliable.
Motion flexibility when opening or closing for the sealing property that improves explosion-proof equipment and explosion-proof equipment be provided with gasket 18 between explosive-proof sealed plate 7 and support tube end plate 19, and gasket 18 places the sealing groove of explosive-proof sealed plate 7 base plates.
For improving the intensity of sexangle flue 13, the outside courage body of flue 13 is provided with cellular stiffening web 15.
When the present invention worked, when temperature and pressure reached certain numerical value in the flue 13, the pressure in the flue 13 will overcome spring pressure, opens explosive-proof sealed plate 7, in time the gas in the flue 13 was discharged outside the flue 13, to reduce flue 13 chamber pressures; When flue 13 chamber pressures were reduced to certain numerical value, explosive-proof sealed plate 7 self-return under the effect of spring force stops up sealing to flue 13 inner chambers, and was reciprocal with this, reaches the effect of safety anti-explosive.
Claims (6)
1. a Sherardizing furnace that has explosion-proof equipment comprises body of heater (11), flue (13), motor (4), base (1) and bracing frame (2), and flue (13) is located in the body of heater (11), and can rotate in body of heater (11) under the driving of motor (4); The two ends of flue (13) are provided with support tube (10), and its support tube (10) stretches out outside the body of heater (11) and is supported on the base (1) by support roller (3) and bracing frame (2) lifting type; Body of heater (11) is made of two symmetrically arranged semicylinders, be respectively equipped with roller (16) under two semicylinders of body of heater (11), base (1) is provided with the track (17) that two semicylinders that can make body of heater (11) are realized relative open and close movement, is provided with heating unit (12) in the thermal insulation layer in (11) one weeks of body of heater; Support tube (10) inner chamber communicates with flue (13) inner chamber, the end of support tube (10) is provided with support tube end plate (19), it is characterized in that: the support tube (10) of flue (13) one ends is provided with explosion-proof equipment, its explosion-proof equipment comprises explosive-proof sealed plate (7), spring (6), strongback (5) and explosion-proof bolt (8), explosion-proof bolt (8) is welded on the support tube end plate (19), strongback (5) is fixed on the end of explosion-proof bolt (8) by nut, and explosive-proof sealed plate (7) and spring (6) place between support tube end plate (19) and the strongback (5); Explosive-proof sealed plate (7) is nail-shaped, is made of base plate and spring bearing, and spring (6) is placed on the spring bearing of explosive-proof sealed plate (7), and is pressed between the base plate and strongback (5) of explosive-proof sealed plate (7); Strongback (5) is provided with centre hole, and the spring bearing on the explosive-proof sealed plate (7) passes the centre hole of strongback (5) and axially freely overhangs; Explosive-proof sealed plate (7) is gone up and is being close under the effect of spring force on the support tube end plate (19), and flue (13) inner chamber is sealed or opens.
2. a kind of Sherardizing furnace that has explosion-proof equipment as claimed in claim 1, it is characterized in that: the opening for feed of flue (13) is located at the top, opening for feed is provided with flue top cover (20), is fixedly connected by bolt (14) between flue top cover (20) and the flue (13).
3. a kind of Sherardizing furnace that has explosion-proof equipment as claimed in claim 1 or 2 is characterized in that: the cross section of flue (13) is sexangle.
4. a kind of Sherardizing furnace that has explosion-proof equipment as claimed in claim 1 or 2 is characterized in that: pass through gear (9) direct connection transmission between motor (4) and the flue (13).
5. a kind of Sherardizing furnace that has explosion-proof equipment as claimed in claim 1 or 2 is characterized in that: be provided with gasket (18) between explosive-proof sealed plate (7) and the support tube end plate (19), gasket (18) places the sealing groove of explosive-proof sealed plate (7).
6. a kind of Sherardizing furnace that has explosion-proof equipment as claimed in claim 1 or 2 is characterized in that: the outside courage body of flue (13) is provided with cellular stiffening web (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177708XA CN103215537A (en) | 2013-05-14 | 2013-05-14 | Zincizing furnace with explosion-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177708XA CN103215537A (en) | 2013-05-14 | 2013-05-14 | Zincizing furnace with explosion-proof device |
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| Publication Number | Publication Date |
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| CN103215537A true CN103215537A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310177708XA Pending CN103215537A (en) | 2013-05-14 | 2013-05-14 | Zincizing furnace with explosion-proof device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510042A (en) * | 2013-09-08 | 2014-01-15 | 青岛征和工业有限公司 | Automatic heat treatment equipment for surface chromizing of precision parts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781746A (en) * | 2009-01-16 | 2010-07-21 | 盐城市科奥热处理设备制造厂 | Sherardizing furnace |
| CN201729812U (en) * | 2010-06-22 | 2011-02-02 | 合肥德博生物能源科技有限公司 | Automatic pressure relief anti-explosion device |
| CN203284451U (en) * | 2013-05-14 | 2013-11-13 | 盐城市科奥热处理设备制造厂 | Zincizing furnace with explosion-proof device |
-
2013
- 2013-05-14 CN CN201310177708XA patent/CN103215537A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781746A (en) * | 2009-01-16 | 2010-07-21 | 盐城市科奥热处理设备制造厂 | Sherardizing furnace |
| CN201729812U (en) * | 2010-06-22 | 2011-02-02 | 合肥德博生物能源科技有限公司 | Automatic pressure relief anti-explosion device |
| CN203284451U (en) * | 2013-05-14 | 2013-11-13 | 盐城市科奥热处理设备制造厂 | Zincizing furnace with explosion-proof device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510042A (en) * | 2013-09-08 | 2014-01-15 | 青岛征和工业有限公司 | Automatic heat treatment equipment for surface chromizing of precision parts |
| CN103510042B (en) * | 2013-09-08 | 2016-08-17 | 青岛征和工业股份有限公司 | The automatic heat treatment equipment of precision component surface chromising |
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Application publication date: 20130724 |