CN205279147U - Explosion -proof device - Google Patents
Explosion -proof device Download PDFInfo
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- CN205279147U CN205279147U CN201521127253.1U CN201521127253U CN205279147U CN 205279147 U CN205279147 U CN 205279147U CN 201521127253 U CN201521127253 U CN 201521127253U CN 205279147 U CN205279147 U CN 205279147U
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- rupture pressure
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Abstract
The utility model discloses an explosion -proof device, a great deal of defect designs such as the potential safety hazard of mainly blasting in order to solve industrial furnace air conduit internal cause hypertonia. The utility model discloses explosion -proof device, including the connecting pipe, install through mounting structure the rupture membrane of connecting pipe one end and installing the explosion -proof cover in the rupture membrane outside is equipped with the opening on the air hose, the connecting pipe other end and air hose intercommunication. The utility model discloses a set up rupture membrane, avoided the accident of blasting when the air conduit internal pressure is too big, first flange passes through bolted connection spare with the second flange to be connected, when change rupture membrane is overhauld in the blowing out, and easy operation, convenience, the department just keeps away from at the second flange first flange one side sets up the safety cover structure, and when having avoided the air conduit internal pressure too big, rupture membrane blasting, piece departure cause the incident.
Description
Technical field
This utility model relates to industrial furnace pipeline anti-explosion safety applied technical field, particularly relates to a kind of explosion-protection equipment.
Background technology
At present, owing to the requirement of single seat industrial furnace yield is increased by the industries such as domestic metallurgy, chemical industry, cement day by day, the heat capacity of single combustion apparatus and equipment volume is caused also increasingly to increase; Meanwhile, the safety of burning and sufficient combustion also take up very important status in combustion apparatus R&D process. On the one hand, during for adopting large-scale regenerative burner device heat supply, empty, coal gas respectively enters combustion apparatus, after heat storage preheats, spray into combustor carry out the burning of mixing limit, limit, when coal gas does not burn completely, reversal valve commutates through batch (-type), and the coal gas that part is imperfect combustion is reversed suction air line, run into burning things which may cause a fire disaster or when other thermals source reach gas firing point, gas volume instantaneous expansion, phenomenon of blasting in air line; On the other hand, during for adopting the pre-heated conventional combustion equipment heat supply of large-scale list, empty, coal gas respectively enters combustion apparatus and carries out premixed combustion, when hypotony in air line, coal gas enters air port passage through combustion apparatus, then it is reversed suction air line, runs into burning things which may cause a fire disaster or when other thermals source reach gas firing point, gas volume instantaneous expansion, phenomenon of blasting in air line.
Utility model content
For the problems referred to above, this utility model provides a kind of explosion-protection equipment when preventing air line hypertonia.
For reaching above-mentioned purpose, this utility model explosion-protection equipment, including connecting tube, is arranged on the rupture pressure disc of described connecting tube one end by mounting structure and is arranged on the anti-explosion cover outside described rupture pressure disc, air hose is provided with opening, the described connecting tube other end and air line.
Further, described mounting structure includes the first flange being fixed together with described connecting tube and the second flange being assembled together by bolt and the first flange, described rupture pressure disc is arranged between the first flange, the second flange, and rupture pressure disc specification and described first flange, the second described flange match.
Further, described rupture pressure disc is thickness is 0.5mn to 1mm, and described rupture pressure disc is aluminum foil material.
Further, described rupture pressure disc is provided with explosion stricture of vagina trace.
Further, the explosion stricture of vagina trace on described rupture pressure disc is the cross dimpled grain being arranged on described rupture pressure disc center.
Further, the degree of depth of explosion stricture of vagina trace is the 1/5 to 3/5 of rupture pressure disc thickness.
Further, the network structure that described anti-explosion cover is spliced mutually by some square steel or round steel, and described cancellated mesh is not more than 30mm.
1, this utility model explosion-protection equipment, according to the pressure born under air line normal operating conditions, explosion-proof valve is provided with certain thickness rupture pressure disc, on rupture pressure disc, it is provided with the explosion stricture of vagina trace of certain depth simultaneously, when manifold pressure reaches setting value, rupture pressure disc bursts, it is to avoid air line endogenous cause of ill pressure excessive accident of blasting.
2, this utility model explosion-protection equipment, the first flange and the second flange are bolted part and connect, when shutdown maintenance changes rupture pressure disc, simple, convenient.
3, this utility model explosion-protection equipment, arrange protective cover structure in the second flange side of explosion-proof valve, it is to avoid when in air line, pressure is excessive, rupture pressure disc explosion, fragment fly out, and cause security incident.
Accompanying drawing explanation
Fig. 1 is the main pseudosection of explosion-protection equipment described in this utility model embodiment;
Fig. 2 is the A of explosion-protection equipment described in this utility model embodiment to profile;
Fig. 3 is the floor map of rupture pressure disc described in this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
Embodiment 1
The present embodiment explosion-protection equipment, including connecting tube, it is arranged on the rupture pressure disc of described connecting tube one end by mounting structure and is arranged on the anti-explosion cover outside described rupture pressure disc, air hose is provided with opening, the described connecting tube other end and air line, described rupture pressure disc is provided with explosion stricture of vagina trace.
According to the pressure born under air line normal operating conditions, explosion-proof valve is provided with certain thickness rupture pressure disc, on rupture pressure disc, it is provided with the explosion stricture of vagina trace of certain depth simultaneously, when manifold pressure reaches setting value, rupture pressure disc bursts, it is to avoid air line endogenous cause of ill pressure excessive accident of blasting. Protective cover structure is set, it is to avoid when in air line, pressure is excessive, rupture pressure disc explosion, fragment fly out, cause security incident. Described protective cover through-hole aperture is less than the latus rectum of rupture pressure disc explosion fragment.
Embodiment 2
As shown in Figures 1 to 3, the present embodiment explosion-protection equipment, including connecting tube, it is arranged on the rupture pressure disc 4 of described connecting tube 1 one end by mounting structure and is arranged on the anti-explosion cover 5 outside described rupture pressure disc, air hose is provided with opening, the described connecting tube other end and air line, described rupture pressure disc is provided with explosion stricture of vagina trace 7.
Described mounting structure includes the first flange being fixed together with described connecting tube and the second flange 3 being assembled together by bolt 6 and the first flange 2, described rupture pressure disc is arranged between the first flange, the second flange, and rupture pressure disc specification and described first flange, the second described flange match.
In the present embodiment, the first flange and the second flange are bolted part and connect, when shutdown maintenance changes rupture pressure disc, simple, convenient.
In the various embodiments described above, described rupture pressure disc is made up of associated materials such as certain thickness aluminium foils, rupture pressure disc specification and described first flange, the second described flange match, described rupture pressure disc thickness is relevant with the pressure born under air line normal operating conditions, the thickness of described rupture pressure disc is linear with pressure, and the thickness of described rupture pressure disc is 0.5mn to 1mm.
In the various embodiments described above, described rupture pressure disc arranging explosion stricture of vagina trace, it is linear that the described explosion stricture of vagina trace degree of depth and maximum set by air line bear pressure, the degree of depth is rupture pressure disc thickness the 1/5 to 3/5 of explosion stricture of vagina trace.
In described second flange arranged outside protective cover structure, it is to avoid when in air line, pressure is excessive, rupture pressure disc explosion, fragment fly out, and cause security incident; The structure that described protective cover is formed by connecting by two or more than two the material such as round steel or round steel,
In above-described embodiment, the explosion stricture of vagina trace on described rupture pressure disc is the cross dimpled grain being arranged on described rupture pressure disc center.
In above-described embodiment, the network structure that described anti-explosion cover is spliced mutually by square steel or round steel, and described cancellated mesh is not more than 30mm.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim defines.
Claims (7)
1. an explosion-protection equipment, it is characterized in that: include connecting tube, it is arranged on the rupture pressure disc of described connecting tube one end by mounting structure and is arranged on the anti-explosion cover outside described rupture pressure disc, air hose is provided with opening, the described connecting tube other end and air line.
2. explosion-protection equipment according to claim 1, it is characterized in that: described mounting structure includes the first flange being fixed together with described connecting tube and the second flange being assembled together by bolt and the first flange, described rupture pressure disc is arranged between the first flange, the second flange, and rupture pressure disc specification and described first flange, the second described flange match.
3. explosion-protection equipment according to claim 1, it is characterised in that: described rupture pressure disc is thickness is 0.5mn to 1mm, and described rupture pressure disc is aluminum foil material.
4. explosion-protection equipment according to claim 1, it is characterised in that: described rupture pressure disc is provided with explosion stricture of vagina trace.
5. explosion-protection equipment according to claim 4, it is characterised in that: the explosion stricture of vagina trace on described rupture pressure disc is the cross dimpled grain being arranged on described rupture pressure disc center.
6. explosion-protection equipment according to claim 4, it is characterised in that: the degree of depth is rupture pressure disc thickness the 1/5 to 3/5 of explosion stricture of vagina trace.
7. explosion-protection equipment according to claim 1, it is characterised in that: the network structure that described anti-explosion cover is spliced mutually by some square steel or round steel, and described cancellated mesh is not more than 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127253.1U CN205279147U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127253.1U CN205279147U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279147U true CN205279147U (en) | 2016-06-01 |
Family
ID=56063724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521127253.1U Active CN205279147U (en) | 2015-12-29 | 2015-12-29 | Explosion -proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504811A (en) * | 2017-08-25 | 2017-12-22 | 天津中环电炉股份有限公司 | A kind of vacuum box type atmosphere furnace |
-
2015
- 2015-12-29 CN CN201521127253.1U patent/CN205279147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504811A (en) * | 2017-08-25 | 2017-12-22 | 天津中环电炉股份有限公司 | A kind of vacuum box type atmosphere furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161219 Address after: 243005 Hunan West Road, Anhui, China, No. 699, No. Patentee after: Huatian Engineering & Technology Corporation, MCC Address before: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18 Patentee before: Nanjing Industrial Furnace Co., Ltd., HTC |