CN202132975U - Automatic anti-explosion device - Google Patents
Automatic anti-explosion device Download PDFInfo
- Publication number
- CN202132975U CN202132975U CN201120217607U CN201120217607U CN202132975U CN 202132975 U CN202132975 U CN 202132975U CN 201120217607 U CN201120217607 U CN 201120217607U CN 201120217607 U CN201120217607 U CN 201120217607U CN 202132975 U CN202132975 U CN 202132975U
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- Prior art keywords
- annular
- rod slide
- explosion
- proof door
- seal groove
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Abstract
The utility model relates to an automatic anti-explosion device, which is characterized by comprising an annular base. An annular sealing groove is welded on the annular base, a plurality of polish rod slide rails are welded on the annular base outside the annular sealing groove at intervals, the other ends of the polish rod slide rails penetrate through a round explosion door and an annular panel which are arranged above the annular base, springs are sleeved on all the polish rod slide rails between the round explosion door and the annular panel, screw threads are arranged at the end portions of the polish rod slide rails above the annular panel, and nuts are screwed on the end portions of the polish rod slide rails. The automatic anti-explosion device is simple and ingenious in structural arrangement, convenient to install, long in service life and less in steel using quantity and capable of achieving sealing and resetting without the aid of self gravity, thereby resolving the problems which are not resolved for many years in the industry and being capable of achieving both pressure releasing and sealing instantly. Therefore, the automatic anti-explosion device can be widely used in industrial devices which need an anti-explosion function, such as high temperature boilers for powder and inflammable and explosive containers and pipelines for powder.
Description
Technical field
The utility model relates to a kind of explosion-protection equipment, particularly about a kind of automatic explosion-proof device that is used on powder boiler, the inflammable and explosive container of powder and the pipeline.
Background technology
Powder boiler, heat-conducting oil furnace and other Industrial Stoves; Is main fuel with coal dust and various biomass powder with other flammable powders; In concrete production practices, because powder has in essence different at the characteristic of burner hearth internal combustion and other fuel, powder generation deflagration phenomenon easily in burner hearth; Cause the damage of equipment such as powder boiler, even can damage operating personnel.
General powder boiler, the inflammable and explosive container of powder and pipeline prevent that the method for detonation from being: the gravity type explosion proof door is installed on the top in the cigarette air channel between boiler to chimney; Its operation principle is the circular cast iron lid and the base of a heaviness; Side connects with hinge, when detonation takes place, and the moment increase of cigarette air channel pressure; Wash the iron covering pressure release open, iron covering leans on self gravitation to fall to resetting after the pressure release.This kind method is promptly adopted in the cement plant.The shortcoming of this method is: 1, lean on the self gravitation sealing and reset because of the gravity type explosion proof door, so can only be installed in upper, can't use in the side position, and the powder upper boiler is a drum and inapplicable; 2, the gravity type explosion proof door only relies on gravity sealing, and is poorly sealed, causes malleation to leak cigarette, negative pressure air leakage, and this defective can't overcome, and the explosion-protection equipment that can pressure release can seal is the problem that can't thoroughly solve for many years in the industry; 3, lean on the self gravitation sealing because of the gravity type explosion proof door and reset, so need reach certain own wt, therefore, cylinder iron make usually, the equipment heaviness is not light and handy, installation and maintenance convenience, and steel using amount is big simultaneously; 4, cast iron is crisp and immalleable, frangible, and the moment pressure release power in cigarette air channel is very big, often the gravity type explosion proof door is smashed, and as use the cast steel manufacturing, then cost be multiplied also cannot say for sure not broken.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides a kind ofly need not leaned on gravity sealing and reset, can be automatically to instantaneous pressure releases of equipment such as powder boilers, and the automatic explosion-proof device of equipment such as the sealing powder boiler that after the moment pressure release, automatically resets.
For realizing above-mentioned purpose; The utility model is taked following technical scheme: a kind of automatic explosion-proof device; It is characterized in that: it comprises an annular base, and welding one annular seal groove on the said annular base is welded with some polished rod slide rails on the said annular base in the said annular seal groove outside at interval; The other end of each said polished rod slide rail slides and passes circular explosion proof door and the annular panel that is arranged on said annular base top; All be arranged with spring on the said polished rod slide rail of between said circular explosion proof door and the annular panel each, the end of each said polished rod slide rail of said annular panel top is provided with screw thread, and all tightens a nut.
The said annular seal groove that welds on the said annular base comprises annular seal groove outer ring and annular seal groove inner ring, is provided with the refractory seals packing in the said annular seal groove; An O-ring seal is welded in said circular explosion proof door bottom surface, and the other end of said O-ring seal is arranged in the said annular seal groove, and with said annular seal groove in the said refractory seals packing that is provided with form the labyrinth sealing form.
The middle part of said circular explosion proof door is set to through hole; Said lead to the hole site is provided with a shrouding that said through hole is sealed; The said circular explosion proof door end face of said shrouding top is provided with a tubular cover plate; Said tubular cover plate and said circular explosion proof door are welded as a whole, and the hollow space between said tubular cover plate and the said circular explosion proof door is filled with refractory material.
Said circular explosion proof door is provided with sees fiery window, said sight fire window comprise one with the sight fire tube of said tubular cover plate welding, an end of said sight fire tube passes said fire proofing material and shrouding, and flushes with said shrouding; The other end of said sight fire tube passes said tubular cover plate top; And sealing is provided with one and sees igniter cap endways; Said sight igniter cap middle part is provided with the flame-observing hole of being processed by transparent material, compresses between said sight igniter cap and the said sight fire tube and is provided with fireproof glass and fire-resistant pad.
The quantity of the some said polished rod slide rail that welds at interval on the said annular base in the said annular seal groove outside is four.
The position that each said polished rod slide rail passes on the said circular explosion proof door is provided with the tubular type slideway.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, the utility model is welded with the polished rod slide rail of some band silks on annular base, and each polished rod slide rail passes tubular type slideway and the annular panel on the circular explosion proof door; And on the polished rod slide rail between circular explosion proof door and the annular panel, be arranged with spring, polished rod slide rail top is provided with screw thread and is furnished with nut, fastening nut; Make annular panel holddown spring (can according to the pressure that needs turn nut adjustment spring pressure), and then make spring that certain compression elasticity arranged, therefore; Under normal circumstances, circular explosion proof door compresses the annular seal groove on the annular base under the spring force effect, and then the powder boiler is sealed; When deflagration phenomenon takes place when; The circular explosion proof door compression of force in powder boiler spring is opened automatically, plays moment pressure release effect, and after the moment pressure release, closes circular explosion proof door automatically; Moment sealing burner hearth is effectively protected body of heater safety simultaneously.2, the utility model annular base is provided with annular seal groove; Be provided with the refractory seals packing in the annular seal groove, the utility model is provided with O-ring seal in circular explosion proof door bottom surface, and the refractory seals packing in O-ring seal and the annular seal groove forms the labyrinth seal form; Therefore; Impulsive force in the time of can absorbing circular explosion proof door momentary reset playing the effect of reset buffering and resiliency supported, reaches the purpose of effective sealing simultaneously.3, the circular explosion proof door of the utility model is provided with the sight fire tube; See fire tube and compress high temperature resistant tempering sheet glass through seeing igniter cap and fire-resistant packing ring; Therefore, can on the computer of automatic control chamber, directly observe the combustion position of powder boiler internal with the camera that is installed in the stove tail through seeing igniter cap.4, be provided with on the utility model annular base respectively pass the cast slideway on the circular explosion proof door with mercerising bar slide rail after, its end passes annular panel, and fastening with nut, therefore, it is evenly indeformable to control polished rod slide rail terminal position.5, the middle part of the circular explosion proof door of the utility model is set to through hole, can alleviate weight, the economical with materials of circular explosion proof door; The utility model has a tubular cover plate in circular explosion proof door welded top; Compress between tubular cover plate and the circular explosion proof door and be filled with refractory material, and after filling up refractory material, the refractory material between circular explosion proof door and the tubular cover plate is sealed through shrouding is set; Satisfied manufacturing process requirement; And shrouding adopts the thick general steel plate material of 3mm to process, and is in light weight, practices thrift cost.6, the utility model structure is provided with simply ingenious; Easy for installation, long service life, steel using amount is few; Need not lean on self gravitation just can realize sealing and resetting; Solved the problem that can't thoroughly solve for many years in the industry: can the moment pressure release can effectively seal moment again, therefore, can be widely used on the commercial plant such as high temperature and inflammable and explosive powder container, pipeline of the various similar powder boilers that need explosion prevention function.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the schematic top plan view of Fig. 1
Fig. 3 is that the utility model is seen fiery window construction sketch map
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
Like Fig. 1, shown in Figure 2; The utility model comprises an annular base 1; Annular base 1 is provided with annular seal groove 2; Annular seal groove 2 comprises the annular seal groove outer ring 3 and annular seal groove inner ring 4 that is welded on the annular base 1, is provided with refractory seals packing 5 in the annular seal groove 2 that forms between annular seal groove outer ring 3 and the annular seal groove inner ring 4; Be welded with the polished rod slide rail 6 of some band silks on the annular base 1 in 3 outsides, annular seal groove outer ring at interval; The other end of each polished rod slide rail 6 slides and passes the circular explosion proof door 7 and annular panel 8 that is arranged on annular base 1 top; All be arranged with spring 9 on each polished rod slide rail 6 between circular explosion proof door 7 and the annular panel 8; The end of each polished rod slide rail 6 of annular panel 8 tops is provided with screw thread, and is furnished with nut 10, fastening nut 10; Make annular panel 8 compression springs 9, make spring 9 have certain compression elasticity.The bottom surface of circular explosion proof door 7 is welded with O-ring seal 11, and the other end of O-ring seal 11 is arranged in the annular seal groove 2 on the annular base 1, and forms the labyrinth sealing forms with the annular seal groove 2 interior refractory seals packings that are provided with 5.
In the actual installation process; Can be according to the compression elasticity of the pressure turn nut that needs 10 adjustment springs 9; Because O-ring seal 11 forms labyrinth sealings with the annular seal groove 2 interior refractory seals packings that are provided with 5, therefore, circular explosion proof door 7 can be through the compression elasticity of spring 9; And do not need self gravitation; Just can realize sealing, and when circular explosion proof door 7 momentary reset, the labyrinth sealing that O-ring seal 11 and refractory seals packing 5 form can be played the effect of reset buffering and resiliency supported.
The middle part of circular explosion proof door 7 is set to through hole; Circular explosion proof door 7 welded top have a tubular cover plate 12; Compress between tubular cover plate 12 and the circular explosion proof door 7 and be filled with refractory material 13; After filling up refractory material 13 between tubular cover plate 12 and the circular explosion proof door 7, be welded with a shrouding 14 in the position of circular explosion proof door 7 middle part through holes, with 13 sealings of the refractory material between circular explosion proof door 7 of sealing and the tubular cover plate 12.
Like Fig. 1, shown in Figure 3; Circular explosion proof door 7 is provided with sees fiery window 15; See fiery window 15 and comprise the sight fire tube 16 that passes tubular cover plate 12 and weld with tubular cover plate 12, an end of seeing fire tube 16 passes fire proofing material 13 and shrouding 14, and flushes with shrouding 14; See fire tube 16 other ends and pass tubular cover plate 12 end faces; And be provided with one at sight fire tube 16 end seals and see igniter cap 17, see igniter cap 17 middle parts and be provided with the flame-observing hole of processing by transparent material 18, see between igniter cap 17 and the sight fire tube 16 and be provided with fireproof glass 19 and fire-resistant pad 20.Through seeing the interaction of igniter cap 17 and fire-resistant pad 20, can fireproof glass 19 sealings be pressed on and see fire tube 16 ends.
In the foregoing description, the quantity of the polished rod slide rail 6 of the some band silks that weld at interval on the annular base 1 in 3 outsides, annular seal groove outer ring is four, and the polished rod slide rail 6 of four band silks is along the outer circumferential evenly welding at interval of annular seal groove outer ring 3.
In the foregoing description, the position that polished rod slide rail 6 passes on the circular explosion proof door 7 is provided with the tubular type slideway.
In the foregoing description, annular base 1, annular seal groove outer ring 3, annular seal groove inner ring 4, circular explosion proof door 7, O-ring seal 11 adopt the thick general steel plate material of 10mm to process.
In the foregoing description, the shrouding 14 that circular explosion proof door 7 middle parts are provided with adopts the thick general steel plate material of 3mm to process.
The utility model can be used on powder boiler, the inflammable and explosive container of powder and the pipeline, and its installation and application is basic identical, installs and uses the orientation and can realize the installation of universal position, does not limit installation direction and orientation.Existing being used on the powder boiler with the utility model is example; Describe: the afterbody at the powder boiler offers a through hole; The cavity ring of annular base 1 is aimed at the through hole of boiler tail, and then the bottom anchor ring of annular base 1 is welded on the circumferential furnace wall of the through hole of powder boiler tail; Powder is in burner hearth during normal combustion, and circular explosion proof door 7 is under the resilient force of the spring on the polished rod slide rail 69, with annular base 1 and circular explosion proof door 7 sealings, and then with the powder boiler seal; When the powder abnormal combustion, when the powder boiler will detonation take place, the pressure in the powder boiler increased; The circular explosion proof door 7 compression springs 9 of force are opened, and the moment pressure release of powder boiler is after the pressure release; Circular explosion proof door 7 automatically resets under the effect of spring force, and the powder boiler seal is closed; Simultaneously, can with the camera that is installed in the powder boiler tail, on the computer of automatic control chamber, directly observe the combustion position of powder boiler internal through seeing igniter cap 17.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, connected mode etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (9)
1. automatic explosion-proof device; It is characterized in that: it comprises an annular base; Welding one annular seal groove on the said annular base; Be welded with some polished rod slide rails at interval on the said annular base in the said annular seal groove outside, the other end of each said polished rod slide rail slides and passes circular explosion proof door and the annular panel that is arranged on said annular base top, all is arranged with spring on the said polished rod slide rail of each between said circular explosion proof door and the annular panel; The end of each said polished rod slide rail of said annular panel top is provided with screw thread, and all tightens a nut.
2. a kind of automatic explosion-proof device as claimed in claim 1 is characterized in that: the said annular seal groove that welds on the said annular base comprises annular seal groove outer ring and annular seal groove inner ring, is provided with the refractory seals packing in the said annular seal groove; An O-ring seal is welded in said circular explosion proof door bottom surface, and the other end of said O-ring seal is arranged in the said annular seal groove, and with said annular seal groove in the said refractory seals packing that is provided with form the labyrinth sealing form.
3. according to claim 1 or claim 2 a kind of automatic explosion-proof device; It is characterized in that: the middle part of said circular explosion proof door is set to through hole; Said lead to the hole site is provided with a shrouding that said through hole is sealed; The said circular explosion proof door end face of said shrouding top is provided with a tubular cover plate, and said tubular cover plate and said circular explosion proof door are welded as a whole, and the hollow space between said tubular cover plate and the said circular explosion proof door is filled with refractory material.
4. a kind of automatic explosion-proof device as claimed in claim 3; It is characterized in that: said circular explosion proof door is provided with sees fiery window; The fiery window of said sight comprise one with the sight fire tube of said tubular cover plate welding, an end of said sight fire tube passes said fire proofing material and shrouding, and flushes with said shrouding; The other end of said sight fire tube passes said tubular cover plate top; And sealing is provided with one and sees igniter cap endways; Said sight igniter cap middle part is provided with the flame-observing hole of being processed by transparent material, compresses between said sight igniter cap and the said sight fire tube and is provided with fireproof glass and fire-resistant pad.
5. like claim 1 or 2 or 4 described a kind of automatic explosion-proof devices, it is characterized in that: the quantity of the some said polished rod slide rail that welds at interval on the said annular base in the said annular seal groove outside is four.
6. a kind of automatic explosion-proof device as claimed in claim 3 is characterized in that: the quantity of the some said polished rod slide rail that welds at interval on the said annular base in the said annular seal groove outside is four.
7. like claim 1 or 2 or 4 or 6 described a kind of automatic explosion-proof devices, it is characterized in that: the position that each said polished rod slide rail passes on the said circular explosion proof door is provided with the tubular type slideway.
8. a kind of automatic explosion-proof device as claimed in claim 3 is characterized in that: the position that each said polished rod slide rail passes on the said circular explosion proof door is provided with the tubular type slideway.
9. a kind of automatic explosion-proof device as claimed in claim 5 is characterized in that: the position that each said polished rod slide rail passes on the said circular explosion proof door is provided with the tubular type slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120217607U CN202132975U (en) | 2011-06-24 | 2011-06-24 | Automatic anti-explosion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120217607U CN202132975U (en) | 2011-06-24 | 2011-06-24 | Automatic anti-explosion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132975U true CN202132975U (en) | 2012-02-01 |
Family
ID=45521742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120217607U Expired - Lifetime CN202132975U (en) | 2011-06-24 | 2011-06-24 | Automatic anti-explosion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278508A (en) * | 2011-06-24 | 2011-12-14 | 煤炭科学研究总院 | Automatic explosion-protection equipment |
-
2011
- 2011-06-24 CN CN201120217607U patent/CN202132975U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278508A (en) * | 2011-06-24 | 2011-12-14 | 煤炭科学研究总院 | Automatic explosion-protection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120201 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |