CN219866456U

CN219866456U - Explosion-proof regional safety ventilation device

Info

Publication number: CN219866456U
Application number: CN202320365766.4U
Authority: CN
Inventors: 汪世鹤; 黄启飘; 时汉峰; 范小保
Original assignee: Karamay Jinxin Oil Field Environmental Protection Engineering Co ltd
Current assignee: Karamay Jinxin Oil Field Environmental Protection Engineering Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-20
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a safety ventilation device for an explosion-proof area, which comprises a buffer pipeline, wherein the bottom end of the buffer pipeline is communicated with an air inlet pipeline, the top end of the buffer pipeline is communicated with an air outlet pipeline, and a safety explosion-proof ventilation assembly for ventilation and explosion-proof is arranged in the buffer pipeline.

Description

Explosion-proof regional safety ventilation device

Technical Field

The utility model relates to the technical field of ventilation devices, in particular to a safety ventilation device for an explosion-proof area.

Background

In some oil-containing dangerous waste disposal sites, some stored oil gas can explode due to misoperation of workers or other natural reasons, and exhaust ventilation channels used in the dangerous waste oil gas disposal sites are connected in series, so that the channels have not only ventilation purposes, but also a certain explosion-proof capability.

However, the existing ventilation device connected with the dangerous waste oil air pipeline cannot play a certain explosion-proof function on explosion in the pipeline, so that sundries such as fragments generated by the explosion can be flushed into other pipelines, certain injuries can be caused to movable personnel in a production place, the use of people is very unfavorable, and the safety production of the staff cannot be guaranteed.

Disclosure of Invention

The utility model aims to provide a safety ventilation device for an explosion-proof area, which solves the problems in the background.

In order to solve the technical problems, the utility model specifically provides the following technical scheme:

the utility model provides a safety ventilation device for an explosion-proof area, which comprises a buffer pipeline, wherein the bottom end of the buffer pipeline is communicated with an air inlet pipeline, the top end of the buffer pipeline is communicated with an air outlet pipeline, and a safety explosion-proof ventilation assembly for ventilation and explosion-proof is arranged in the buffer pipeline;

the safe explosion-proof ventilation assembly comprises a bottom ventilation screen plate, wherein the bottom ventilation screen plate is symmetrically hinged to the inner wall of the buffer pipeline, a supporting spring is arranged on the side edge of the bottom ventilation screen plate, one end of the supporting spring is connected with the side face of the bottom ventilation screen plate, the other end of the supporting spring is connected with the inner wall of the buffer pipeline, two inner wall sliding grooves are symmetrically arranged on the inner wall of the air outlet pipeline, a limiting sliding rod is vertically arranged in the inner wall sliding grooves, a movable sliding sleeve is arranged on the limiting sliding rod in a sliding mode, a transmission hinge rod is hinged to the side edge of the movable sliding sleeve, the end portion of the transmission hinge rod is hinged to the side face of the end portion of the bottom ventilation screen plate, two fragment interception screen plates are symmetrically hinged to the inner wall of the air outlet pipeline, and a pulling sliding groove is arranged on the bottom side face of the fragment interception screen plate in a hinged mode, and a pulling hinge rod is arranged on the side edge of the movable sliding sleeve.

As a preferable scheme of the utility model, the end part of the pulling hinging rod is hinged with a driving sliding block, and the driving sliding block is embedded in the pulling sliding groove in a sliding way.

As a preferable scheme of the utility model, the end parts of the two bottom ventilation screen plates are respectively provided with a lug which is mutually clamped.

As a preferred aspect of the present utility model, the fragment interception screen is located above the bottom ventilation screen.

As a preferable mode of the utility model, the end portion of the fragment interception net plate is provided with a sealing gasket for enhancing sealing.

As a preferable scheme of the utility model, the fragment interception net plate is hinged on the inner wall of the air outlet pipeline in an upward inclined mode.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the safety explosion-proof ventilation assembly is arranged in the buffer pipeline, wherein the bottom ventilation screen plate in the safety explosion-proof ventilation assembly can be ventilated in normal time, the fragment interception screen plate is in an open state, after explosion occurs, the bottom ventilation screen plate is impacted and opened by the air flow generated by the explosion, and the bottom ventilation screen plate pushes the pulling hinge rod to move through the transmission hinge rod, so that the fragment interception screen plate deflects downwards, the inner diameter of the air outlet pipeline is further sealed, and the generated huge impact force and carried stone fragments can be rapidly reacted to intercept when explosion occurs in the pipeline, so that the fragments generated by the explosion are greatly reduced to enter other channels through the ventilation pipeline, the secondary injury of broken stone generated by the explosion to operators in a production area is avoided, and the safety of the work of people is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

Fig. 1 is a schematic front view of a structure according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a structure according to an embodiment of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of the inner wall chute in fig. 2 according to the embodiment of the utility model.

Fig. 4 is an enlarged schematic view illustrating the structure of the blocking screen of fig. 2 according to an embodiment of the present utility model.

Reference numerals in the drawings are respectively as follows:

1. a buffer pipe; 2. an air inlet pipeline; 3. an air outlet pipeline; 4. a safety explosion-proof ventilation assembly;

401. a bottom ventilation screen; 402. a contact spring; 403. an inner wall chute; 404. a limit slide bar; 405. moving the sliding sleeve; 406. a transmission hinge rod; 407. a fragment interception screen; 408. pulling the chute; 409. pulling the hinging rod; 410. the slide block is driven.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the utility model provides an explosion-proof area safety ventilation device, which comprises a buffer pipeline 1, wherein the bottom end of the buffer pipeline 1 is communicated with an air inlet pipeline 2, the top end of the buffer pipeline 1 is communicated with an air outlet pipeline 3, and a safety explosion-proof ventilation assembly 4 for ventilation and explosion prevention is arranged in the buffer pipeline 1.

In this embodiment, because the ventilation unit that current danger waste oil air pipe links to each other can not play certain explosion-proof function to the explosion that takes place in the pipeline, and then can make debris that the explosion produced wash into other pipelines in, can cause certain injury to the activity personnel in place of production, very unfavorable for people's use, can't guarantee staff's safety in production.

In this embodiment, through being provided with safe explosion-proof ventilation subassembly 4 inside buffer tube 1, when safe explosion-proof ventilation subassembly 4 can guarantee that air inlet pipeline 2 and play tuber pipe way 3 are normally ventilated, can also make quick response and intercept to the huge impact force that produces and the stone piece that carries when the explosion takes place in the colliery to the fragment that greatly reduced explosion produced enters into other pipelines through the air pipe, avoids the rubble that the explosion produced to cause secondary injury to the operating personnel in the production place, is favorable to guaranteeing people's work safety.

As shown in fig. 1 to 4, in this embodiment, the safety explosion-proof ventilation assembly 4 includes a bottom ventilation screen 401 symmetrically hinged to the inner wall of the buffer pipe 1, an abutting spring 402 is provided on a side edge of the bottom ventilation screen 401, one end of the abutting spring 402 is connected to a side surface of the bottom ventilation screen 401, the other end of the abutting spring 402 is connected to the inner wall of the buffer pipe 1, two inner wall sliding grooves 403 are symmetrically provided on the inner wall of the air outlet pipe 3, a limit sliding rod 404 is vertically provided in the inner wall sliding groove 403, and a moving sliding sleeve 405 is sleeved on the limit sliding rod 404 in a sliding manner.

The side of the movable sliding sleeve 405 is hinged with a transmission hinge rod 406, the end part of the transmission hinge rod 406 is hinged with the side surface of the end part of the bottom ventilation screen 401, two fragment interception screen 407 are also symmetrically hinged on the inner wall of the air outlet pipeline 3, the bottom side surface of the fragment interception screen 407 is provided with a pulling chute 408, the side of the movable sliding sleeve 405 is hinged with a pulling hinge rod 409, the end part of the pulling hinge rod 409 is hinged with a driving slide block 410, and the driving slide block 410 is slidably embedded in the pulling chute 408.

The ends of the two bottom ventilation screen plates 401 are provided with mutually-clamped lugs.

The fragment interception screen 407 is located above the bottom ventilation screen 401.

The ends of the fragment interception screen 407 are provided with a gasket for enhancing sealing.

The fragment interception net plate 407 is hinged on the inner wall of the air outlet pipeline 3 in an upward inclined mode.

Working principle:

in the concrete implementation, when explosion occurs in the pipeline communicated with the air inlet pipeline 2, the impact force generated by the explosion and fragments carried in the air flow impact the bottom ventilation screen 401 arranged in the buffer pipeline 1 through the air inlet pipeline 2, so that the bottom ventilation screen 401 is deflected by huge impact force, and the bottom ventilation screen 401 can push the movable sliding sleeve 405 sleeved on the rod body of the limit sliding rod 404 upwards through the transmission hinge rod 406 connected with the side surface of the bottom ventilation screen 401 in a hinged manner while deflecting.

The movable sliding sleeve 405 can drive the pulling hinge rod 409 hinged to the side edges of the movable sliding sleeve 405 to move upwards, the end part of the pulling hinge rod 409 is hinged to the driving sliding block 410, the driving sliding block 410 is slidably embedded in the pulling sliding groove 408 formed in the bottom end of the fragment interception screen 407, so that the pulling hinge rod 409 pushes the driving sliding block 410 to slide in the pulling sliding groove 408, the fragment interception screen 407 can deflect downwards under the sliding of the driving sliding block 410, and the two fragment interception screens 407 can deflect towards the closing direction.

And then under the impact of powerful air current, bottom ventilation otter board 401 can be washed away, and the fragment interception otter board 407 of bottom ventilation otter board 401 drive can produce the closure effect to under the closure interception of fragment interception otter board 407, can intercept a large amount of fragments in the air current that the explosion produced, avoid the fragment to enter into other pipeline insides along with the air current and cause personnel injury.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.

Claims

1. The utility model provides an explosion-proof regional safety ventilation device, includes buffering pipeline (1), its characterized in that: the bottom end of the buffer pipeline (1) is communicated with an air inlet pipeline (2), the top end of the buffer pipeline (1) is communicated with an air outlet pipeline (3), and a safe explosion-proof ventilation assembly (4) for ventilation and explosion prevention is arranged in the buffer pipeline (1);

the safe explosion-proof ventilation assembly (4) is in including symmetry articulated setting bottom ventilation otter board (401) of buffer tube (1) inner wall, the side of bottom ventilation otter board (401) is provided with conflict spring (402), the one end of conflict spring (402) with bottom ventilation otter board (401) side links to each other, the other end of conflict spring (402) with buffer tube (1) inner wall links to each other, the inner wall symmetry of air-out pipeline (3) is provided with two inner wall spouts (403), vertical spacing slide bar (404) that are provided with in inner wall spout (403), the slip cap is equipped with on spacing slide bar (404) removes sliding sleeve (405), the side of removing sliding sleeve (405) articulates and is provided with transmission articulated pole (406), the tip of transmission articulated pole (406) with the side of the tip of bottom ventilation otter board (401) articulates and links to each other, the bottom side of going up of air-out pipeline (3) is still symmetry articulated and is provided with two interception otter boards (407), pulling spout (408) are seted up to the bottom side of fragment otter board (407), remove sliding sleeve (405) and be provided with pulling articulated side (409).

2. An explosion proof area safety vent apparatus according to claim 1, wherein: the end part of the pulling hinging rod (409) is hinged with a driving sliding block (410), and the driving sliding block (410) is embedded in the pulling sliding groove (408) in a sliding way.

3. An explosion proof area safety vent apparatus according to claim 2, wherein: the end parts of the two bottom ventilation net plates (401) are respectively provided with a lug which is mutually clamped.

4. A blast protected unit according to claim 3, wherein: the fragment interception screen (407) is located above the bottom ventilation screen (401).

5. An explosion proof area safety vent apparatus according to claim 4, wherein: the end of the fragment interception screen (407) is provided with a gasket for enhancing sealing.

6. An explosion proof area safety vent apparatus according to claim 5, wherein: the fragment interception net plate (407) is hinged to the inner wall of the air outlet pipeline (3) in an upward inclined mode.