CN211501991U - Special tee joint for gas drainage pipeline - Google Patents

Abstract

The utility model discloses a special tee bend of gas drainage pipeline, including the tee bend main part, the tee bend main part is annular bellows, and tee bend main part both ends are equipped with gas tee bend wind respectively and flow first outlet pipe and gas tee bend wind and flow the inlet tube to tee bend main part central point is equipped with perpendicular gas tee bend wind and flows the second outlet pipe of form, equal fixed mounting has annular mounting rand in the inside three pipeline of tee bend main part, and is equipped with annular dust screen mounting in the mounting rand to dust screen mounting upper cover is equipped with conical dust screen, dust screen toper bulge is the opening form. This special tee bend of gas drainage pipeline adopts bellows structure, and the rigidity is stronger, is difficult to appear the flat circumstances of flat, and inside is equipped with filtration simultaneously, can filter bigger impurity, avoids the impurity to cause the condition of damage in the pipeline.

Description

Special tee joint for gas drainage pipeline

Technical Field

The utility model relates to a gas discharging equipment technical field specifically is special tee bend of gas drainage pipeline.

Background

The method is characterized in that a local ventilator is adopted for supplying air in an underground coal mine area, gas accumulation can occur if the local ventilator is shut down, when the local ventilator is used for discharging accumulated gas or gas in a windless area, in order to control the concentration of the gas discharged to return air, a gas discharge tee joint needs to be opened, the air supply to the windless area is reduced, the gas discharge amount is reduced, the concentration of the gas in the return air is reduced, and the safety value is guaranteed to be lower than the safety value.

Current gas discharge pipe is the negative pressure at operating condition, and the pipeline rigidity is lower, appears flat circumstances easily, simultaneously in the mine ventilates, because regional problem contains impurity in the air, impurity causes the condition of fish tail in entering into the pipeline easily to influence life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special tee bend of gas drainage pipeline to solve the present market that above-mentioned background art provided on the pipeline rigidity lower, appear flat and flat condition easily, when having impurity in the pipeline simultaneously, impurity causes the condition of fish tail in to the pipeline easily, thereby influences life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the special tee joint of gas drainage pipeline, including the tee bend main part, the tee bend main part is annular bellows, and tee bend main part both ends are equipped with gas tee bend wind respectively and flow first outlet pipe and gas tee bend wind and flow the inlet tube to tee bend main part central point is equipped with perpendicular gas tee bend wind of form and flows the second outlet pipe, equal fixed mounting has annular mounting rand in the inside three pipeline of tee bend main part, and is equipped with annular dust screen mounting in the mounting rand to dust screen mounting upper cover is equipped with conical dust screen, dust screen toper arch department is the opening form.

Preferably, the first gas three-way air flow outlet pipe, the first gas three-way air flow inlet pipe and the second gas three-way air flow outlet pipe are provided with symmetrical clamping jaws, and threaded holes are formed in the clamping jaws.

Preferably, a cleaning pipe is arranged at the end of the tee body far away from the second outlet of the gas tee air flow, and a sealing cover is spirally connected onto the cleaning pipe.

Preferably, the dustproof net fixing piece is made of rubber, and the shape of the outer ring of the dustproof net fixing piece is matched with the shape of the inner part of the fixing piece clamping ring annular groove.

Preferably, the conical opening ends of the dust screens face the cleaning pipe.

Preferably, the inner ring of the fixing piece clamping ring is inclined, and the fixing piece clamping ring is arranged on the inner wall of the tee main body through gluing.

Compared with the prior art, the beneficial effects of the utility model are that: this special tee bend of gas drainage pipeline adopts bellows structure, and the rigidity is stronger, is difficult to appear the flat circumstances of flat, and inside is equipped with filtration simultaneously, can filter bigger impurity, avoids the impurity to cause the condition of damage in the pipeline. The device's gas three-way wind flows first outlet pipe, gas three-way wind flows inlet tube and gas three-way wind and flows the second outlet pipe and can be connected to external pipeline through the jack catch on, can derive the impurity in the tee bend main part through the clearance pipe simultaneously, conveniently clear up, and the dust screen mounting can set up in the mounting rand moreover, and the installation is fairly simple, filters gas through the dust screen on the dust screen mounting simultaneously, avoids impurity to remove in the pipeline.

Drawings

FIG. 1 is a schematic structural view of a tee joint dedicated for a gas drainage pipeline of the present invention;

FIG. 2 is a sectional view taken along line A-A of the three-way pipe for gas drainage of the present invention shown in FIG. 1;

fig. 3 is an enlarged schematic view of the B-position in fig. 2 of the three-way pipe for gas drainage of the present invention.

In the figure: 1. the gas three-way air flow device comprises a gas three-way air flow first outlet pipe, a gas three-way main body, a cleaning pipe, a gas three-way air flow inlet pipe, a gas three-way air flow second outlet pipe, a clamping jaw, a dust screen fixing piece, a dust screen, a fixing piece clamping ring and a clamping ring, wherein the gas three-.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the tee joint special for the gas drainage pipeline comprises a tee joint main body 2, wherein the tee joint main body 2 is an annular corrugated pipe, a first gas three-way air flow outlet pipe 1 and a first gas three-way air flow inlet pipe 4 are respectively arranged at two ends of the tee joint main body 2, a vertical second gas three-way air flow outlet pipe 5 is arranged at the center of the tee joint main body 2, symmetrical clamping claws 6 are respectively arranged on the outer walls of the first gas three-way air flow outlet pipe 1, the gas three-way air flow inlet pipe 4 and the second gas three-way air flow outlet pipe 5, threaded holes are formed in the clamping claws 6, the threaded holes of the clamping claws 6 of the structure play a role in accommodating bolts, so that the first gas three-way air flow outlet pipe 1, the gas three-way air flow inlet pipe 4 and the second gas three-way air flow outlet pipe 5 can be connected with external pipelines, the installation is convenient, and annular fixing, an annular dustproof net fixing piece 7 is arranged in a fixing piece clamping ring 9, a conical dustproof net 8 is arranged on the upper cover of the dustproof net fixing piece 7, a cleaning pipe 3 is arranged at the end, far away from a gas three-way air flow second outlet pipe 5, of a three-way main body 2, a sealing cover is spirally connected onto the cleaning pipe 3, the cleaning pipe 3 on the three-way main body 2 can be communicated with the outside, the sealing cover on the cleaning pipe 3 can be opened, the inside of the three-way main body 2 is cleaned through the cleaning pipe 3, the dustproof net fixing piece 7 is made of rubber, the shape of the outer ring of the dustproof net fixing piece 7 is matched with the shape of the inside of an annular groove of the fixing piece clamping ring 9, the dustproof net fixing piece 7 with the structure is soft and can be flattened, the dustproof net fixing piece 7 is conveniently arranged in the fixing piece clamping ring 9, the inner ring of the fixing piece clamping ring 9 is inclined, and the fixing, the 9 inner circles of mounting rand of this structure are the slope form, make things convenient for impurity on the 2 inner walls of tee bend main part to enter into dust screen 8 in, avoid impurity accumulation on mounting rand 9, 8 toper protruding departments of dust screen are the opening form, the toper open end all faces to clearance pipe 3 on the dust screen 8, the dust screen 8 of this structure plays the effect of filtering impurity, can filter the impurity in the 2 inside air of tee bend main part, 8 toper open ends of dust screen can make impurity continue to flow the position of clearance pipe 3 simultaneously, impurity can block the position between 2 inner walls of dust screen 8 and tee bend main part simultaneously, prevent that impurity from continuing to flow.

The working principle is as follows: when the special tee joint for the gas drainage pipeline is used, a gas three-way air flow first outlet pipe 1, a gas three-way air flow inlet pipe 4 and a gas three-way air flow second outlet pipe 5 on a tee joint main body 2 are connected to other pipelines through clamping claws 6, when the gas three-way air flow first outlet pipe 1, the gas three-way air flow inlet pipe 4 and the gas three-way air flow second outlet pipe 5 are ventilated, air enters the tee joint main body 2 in a spiral shape, so that impurities can enter a dust screen 8 on a dust screen fixing piece 7 through a fixing piece clamping ring 9, then the impurities enter the position of a cleaning pipe 3 through an opening on the dust screen 8, and the impurities at the position of the cleaning pipe 3 can be blocked by other conical dust screens 8, so that the air can be filtered, and the impurities can be accumulated in an included angle between the dust screen 8 and the inner wall of the tee joint main body 2, and finally, only the sealing cover on the cleaning pipe 3 needs to be opened, the dust suction pipeline extends into the cleaning pipe 3, impurities in the tee joint main body 2 are sucked out, the cleaning work is completed, the condition that the inner wall of the pipeline is scratched due to the flowing of the impurities in the connected pipeline is avoided, and a series of works are completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The special tee joint for the gas drainage pipeline comprises a tee joint main body (2) and is characterized in that: tee bend main part (2) are the annular bellows, and tee bend main part (2) both ends are equipped with gas three-way wind respectively and flow first outlet pipe (1) and gas three-way wind and flow inlet tube (4) to tee bend main part (2) central point is equipped with perpendicular gas three-way wind and flows second outlet pipe (5), equal fixed mounting has annular mounting rand (9) in tee bend main part (2) inside three pipeline, and is equipped with annular dust screen mounting (7) in mounting rand (9), and dust screen mounting (7) upper cover is equipped with conical dust screen (8), dust screen (8) toper arch department is the opening form.

2. The special tee joint for a gas drainage pipeline according to claim 1, wherein: the gas three-way air flow first outlet pipe (1), the gas three-way air flow inlet pipe (4) and the gas three-way air flow second outlet pipe (5) are provided with symmetrical clamping jaws (6) on the outer walls, and threaded holes are formed in the clamping jaws (6).

3. The special tee joint for a gas drainage pipeline according to claim 1, wherein: the cleaning pipe (3) is arranged at the end, far away from the gas three-way air flow second outlet pipe (5), of the three-way main body (2), and the cleaning pipe (3) is spirally connected with a sealing cover.

4. The special tee joint for a gas drainage pipeline according to claim 1, wherein: the dustproof net fixing piece (7) is made of rubber, and the shape of the outer ring of the dustproof net fixing piece (7) is identical to the shape of the inner part of the annular groove of the fixing piece clamping ring (9).

5. The special tee joint for a gas drainage pipeline according to claim 1, wherein: the upper conical opening end of the dust screen (8) faces the cleaning pipe (3).

6. The special tee joint for a gas drainage pipeline according to claim 1, wherein: the inner ring of the fixing piece clamping ring (9) is inclined, and the fixing piece clamping ring (9) is arranged on the inner wall of the tee joint main body (2) through gluing.

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