CN213452872U - Explosion-proof blowback case - Google Patents
Explosion-proof blowback case Download PDFInfo
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- CN213452872U CN213452872U CN202021586944.9U CN202021586944U CN213452872U CN 213452872 U CN213452872 U CN 213452872U CN 202021586944 U CN202021586944 U CN 202021586944U CN 213452872 U CN213452872 U CN 213452872U
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Abstract
The anti-explosion back-blowing box comprises a box body, and an air storage tank, a welding pipe and a filtering pressure reducing valve which are arranged in the box body, wherein the welding pipe is communicated with the middle part of the air storage tank through a pipeline, the filtering pressure reducing valve is communicated with the top part of the air storage tank through a pipeline, and the bottom part of the air storage tank is connected with a pipeline extending out of the box body; the welding pipe is of a hollow structure, a plurality of connecting holes are formed in the side wall of the welding pipe, and the connecting holes are located on the same straight line of the side wall of the welding pipe; the welding pipe is communicated with an electromagnetic valve and a manual ball valve through pipelines, and the bottoms of the electromagnetic valve and the manual ball valve are connected with pipelines extending out of the box body; compared with the prior art, through the setting of welding pipe, the air current in the gas holder is shunted, connects solenoid valve or manual ball valve or end cap on welding pipe as required to realize that the accessible is manual or electronic control shunts the air current in the gas holder, can be according to the reposition of redundant personnel size of actual adjustment to the air current in the gas holder, thereby play blast proof effect.
Description
Technical Field
The utility model belongs to the technical field of check out test set, especially, explosion-proof blowback case.
Background
Along with the development of economy, the types of enterprises are increasing, and in many enterprises, the emission of some enterprises can seriously pollute the environment, for example, oil refining enterprises, pharmaceutical enterprises, spraying enterprises, chemical enterprises, automobile enterprises, semiconductor enterprises, tanning enterprises, casting enterprises, oil storage, transportation, gas stations and other fields, the discharged waste gas contains a large amount of benzene series or non-methane total hydrocarbons or volatile organic compounds with other characteristics, enterprise personnel can reduce the content of the volatile organic compounds in the waste gas, an exhaust gas treatment device is installed in a flue for discharging the waste gas, although the content of the volatile organic compounds in the waste gas is reduced by the arrangement of the exhaust gas treatment device, the enterprise personnel can accurately know the content of the volatile organic compounds in the waste gas, and a sampling probe system is also arranged at an air outlet of the exhaust gas treatment device.
In the prior art, the probe and the filter of the sampling probe system are extremely easy to block in the sampling process, so that the sampling work of the sampling probe system is seriously influenced, and great inconvenience is brought to the sampling work of the sampling probe; in addition, a back-blowing system is additionally arranged in a small number of enterprises in order to enable the sampling probe system to work normally, but the back-blowing system in the prior art is complex in overall structure and is difficult to blow off dust attached to the inside of the probe and the outside of the filter; in addition, most of the air blown into the probe and the air blown out of the filter by the blowback system in the prior art are cold air, so that condensed water is easily generated, and the measurement accuracy is seriously influenced.
Because the blowback case needs to realize the blowback effect, when the air current that the blowback case was received is great and the velocity of flow is higher, need bigger blowback air current just can realize the blowback of air current to can produce great pressure between messenger's air current and the blowback air current, influence the use of blowback case, there is certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, safe and reliable can carry out the explosion-proof blowback case of reposition of redundant personnel to gas.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the anti-explosion back-blowing box comprises a box body, and an air storage tank, a welding pipe and a filtering pressure reducing valve which are arranged in the box body, wherein the welding pipe is communicated with the middle part of the air storage tank through a pipeline, the filtering pressure reducing valve is communicated with the top part of the air storage tank through a pipeline, and the bottom part of the air storage tank is connected with a pipeline extending out of the box body; the welding pipe is of a hollow structure, a plurality of connecting holes are formed in the side wall of the welding pipe, and the connecting holes are located on the same straight line of the side wall of the welding pipe; the welding pipe is communicated with an electromagnetic valve and a manual ball valve through pipelines, and the bottoms of the electromagnetic valve and the manual ball valve are connected with pipelines extending out of the box body.
As the utility model discloses a preferred scheme, solenoid valve and manual ball valve are two-way valve, and solenoid valve and manual ball valve both ends intercommunication external and the welded pipe of box.
As the utility model discloses an optimal scheme, manual ball valve is connected in the tip and the lateral part of welding pipe, and manual ball valve is equipped with cutting ferrule joint and thread seal area with the welding union coupling department.
As a preferred scheme of the utility model, be equipped with the solenoid valve holder with solenoid valve looks adaptation in the box, solenoid valve holder fixed connection is in the box, and solenoid valve fixed connection is equipped with the cable joint who is linked together with the solenoid valve on the solenoid valve holder.
As a preferred scheme of the utility model, be equipped with the staple bolt that encircles the gas holder setting in the box, the staple bolt inner wall offsets with the gas holder outer wall, and the staple bolt sets up in the upper and lower both ends of gas holder.
As a preferred scheme of the utility model, the staple bolt both ends are hugged closely with the box, and are equipped with the screw that is connected with the box on the staple bolt both ends.
As an optimized proposal of the utility model, one end of the filtering pressure reducing valve is communicated with the top of the gas storage tank, and the other end of the filtering pressure reducing valve extends out of the tank body through a pipeline.
As an optimized scheme of the utility model, be equipped with the end cap on the welding pipe, the end cap is located the connecting hole of welding pipe.
As a preferred scheme of the utility model, the box is equipped with the mounting panel outward, and the mounting panel is located the edge of box, and mounting panel and box bolted connection.
As an optimized scheme of the utility model, the mounting panel is the structure of buckling, is formed with the mounting hole on the mounting panel.
The beneficial effects of the utility model are that, compare with prior art: the setting through the welded pipe, the air current in the gas holder is shunted, connects solenoid valve or manual ball valve or end cap on the welded pipe as required to realize that the accessible is manual or electronic control shunts the air current in the gas holder, can be according to the reposition of redundant personnel size of actual adjustment to the air current in the gas holder, thereby play blast proof effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
reference numbers in the figures: the automatic filter box comprises a box body 1, a gas storage tank 2, a welded pipe 3, a filtering and pressure reducing valve 4, an electromagnetic valve 5, a manual ball valve 6, a ferrule connector 7, a plug 8, a hoop 9, a cable connector 10, a screw 11, a support plate 12 and an electromagnetic valve support 13.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the anti-explosion back-blowing box comprises a box body 1, and a gas storage tank 2, a welding pipe 3 and a filtering and pressure reducing valve 4 which are arranged in the box body 1, wherein the welding pipe 3 is communicated with the middle part of the gas storage tank 2 through a pipeline, the filtering and pressure reducing valve 4 is communicated with the top part of the gas storage tank 2 through a pipeline, and the bottom part of the gas storage tank 2 is connected with a pipeline extending out of the box body 1; the welding pipe 3 is of a hollow structure, a plurality of connecting holes are formed in the side wall of the welding pipe 3, and the connecting holes are located on the same straight line of the side wall of the welding pipe 3; the welding pipe 3 is communicated with an electromagnetic valve 5 and a manual ball valve 6 through pipelines, and the bottoms of the electromagnetic valve 5 and the manual ball valve 6 are connected with pipelines extending out of the box body 1.
The box 1 is hollow metal material, and gas holder 2 is linked together through the pipeline with outside air current, and the connecting hole on the welding pipe 3 sets up according to actual need, and solenoid valve 5 and the quantity of manual ball valve 6 are no less than to the connecting hole on the welding pipe 3.
The electromagnetic valve support 13 matched with the electromagnetic valve 5 is arranged in the box body 1, the electromagnetic valve support 13 is fixedly connected in the box body 1, the electromagnetic valve 5 is fixedly connected on the electromagnetic valve support 13, and the electromagnetic valve support 13 is provided with a cable joint 10 communicated with the electromagnetic valve 5.
The electromagnetic valve bracket 13 is fixedly connected in the box body 1 through screws, the electromagnetic valve 5 is fixedly connected on the electromagnetic valve bracket 13 through screws, and the cable joint 10 is communicated with an external power supply to electrically control the electromagnetic valve 5.
Be equipped with the staple bolt 9 that encircles the setting of gas holder 2 in the box 1, staple bolt 9 inner wall offsets with 2 outer walls of gas holder, and staple bolt 9 sets up in the upper and lower both ends of gas holder 2, and staple bolt 9 both ends are hugged closely with box 1, and are equipped with the screw 11 that is connected with box 1 on the staple bolt 9 both ends.
One end of the filter pressure reducing valve 4 is communicated with the top of the gas storage tank 2, and the other end of the filter pressure reducing valve 4 extends out of the tank body 1 through a pipeline.
Be equipped with end cap 8 on the welding pipe 3, end cap 8 is located the connecting hole of welding pipe 3, and the connecting hole on the welding pipe 3 can be connected solenoid valve 5 or manual ball valve 6 or end cap 8 according to actual need, and end cap 8 is the brass nickel plating structure in hexagonal spanner hole in the area.
The box 1 is equipped with mounting panel 12 outward, and mounting panel 12 is located the edge of box 1, and mounting panel 12 and 1 bolted connection of box, and mounting panel 12 is the structure of buckling, is formed with the mounting hole on the mounting panel 12, and mounting panel 12 is used for fixed to the location of box 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the technical scheme includes that terms such as a box body 1, a gas storage tank 2, a welded pipe 3, a filtering pressure reducing valve 4, an electromagnetic valve 5, a manual ball valve 6, a ferrule connector 7, a plug 8, a hoop 9, a cable connector 10, a screw 11, a support plate 12, an electromagnetic valve support 13 and the like are used, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The anti-explosion back-blowing box is characterized by comprising a box body (1), a gas storage tank (2), a welding pipe (3) and a filtering pressure reducing valve (4), wherein the gas storage tank (2), the welding pipe (3) and the filtering pressure reducing valve (4) are arranged in the box body (1), the welding pipe (3) is communicated with the middle part of the gas storage tank (2) through a pipeline, the filtering pressure reducing valve (4) is communicated with the top of the gas storage tank (2) through a pipeline, and the bottom of the gas storage tank (2) is connected with; the welding pipe (3) is of a hollow structure, a plurality of connecting holes are formed in the side wall of the welding pipe (3), and the connecting holes are positioned on the same straight line of the side wall of the welding pipe (3); the welding pipe (3) is communicated with an electromagnetic valve (5) and a manual ball valve (6) through pipelines, and the bottoms of the electromagnetic valve (5) and the manual ball valve (6) are connected with pipelines extending out of the box body (1).
2. The anti-explosion blowback box according to claim 1, characterized in that the solenoid valve (5) and the manual ball valve (6) are two-way valves, and both ends of the solenoid valve (5) and the manual ball valve (6) are communicated with the outside of the box body (1) and the welded pipe (3).
3. The anti-explosion blowback box of claim 2, characterized in that the manual ball valve (6) is connected to the end and the side of the welded pipe (3), and a ferrule fitting (7) and a raw material tape are arranged at the joint of the manual ball valve (6) and the welded pipe (3).
4. The anti-explosion blowback box according to claim 1, characterized in that a solenoid valve bracket (13) adapted to the solenoid valve (5) is provided in the box body (1), the solenoid valve bracket (13) is fixedly connected in the box body (1), the solenoid valve (5) is fixedly connected to the solenoid valve bracket (13), and a cable connector (10) communicated with the solenoid valve (5) is provided on the solenoid valve bracket (13).
5. The anti-explosion blowback box of claim 1, characterized in that the box body (1) is provided with hoops (9) surrounding the air storage tank (2), the inner wall of the hoops (9) is abutted against the outer wall of the air storage tank (2), and the hoops (9) are arranged at the upper and lower ends of the air storage tank (2).
6. The anti-explosion blowback box of claim 5, characterized in that, the two ends of the hoop (9) are closely attached to the box body (1), and the two ends of the hoop (9) are provided with screws (11) connected with the box body (1).
7. The anti-explosion blowback box of claim 1, characterized in that, one end of the filter pressure reducing valve (4) is communicated with the top of the gas storage tank (2), and the other end of the filter pressure reducing valve (4) extends out of the box body (1) through a pipeline.
8. The anti-explosion blowback box according to claim 1, characterized in that a plug (8) is provided on the welded pipe (3), and the plug (8) is located on the connecting hole of the welded pipe (3).
9. The anti-explosion blowback box of claim 1, characterized in that, a support plate (12) is arranged outside the box body (1), the support plate (12) is located at the corner of the box body (1), and the support plate (12) is connected with the box body (1) by bolts.
10. The anti-explosion blowback box of claim 9, characterized in that said brace panel (12) is of a bent construction, and mounting holes are formed in said brace panel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586944.9U CN213452872U (en) | 2020-08-04 | 2020-08-04 | Explosion-proof blowback case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586944.9U CN213452872U (en) | 2020-08-04 | 2020-08-04 | Explosion-proof blowback case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213452872U true CN213452872U (en) | 2021-06-15 |
Family
ID=76308557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021586944.9U Active CN213452872U (en) | 2020-08-04 | 2020-08-04 | Explosion-proof blowback case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213452872U (en) |
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2020
- 2020-08-04 CN CN202021586944.9U patent/CN213452872U/en active Active
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