CN214037257U

CN214037257U - Dust adsorption type power ventilating duct

Info

Publication number: CN214037257U
Application number: CN202022954196.1U
Authority: CN
Inventors: 周典范
Original assignee: Guangzhou Guoye Electromechanical Installation Co ltd
Current assignee: Guangzhou Guoye Electromechanical Installation Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-24
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a dust adsorption type power ventilating duct, which comprises an outer pipe body, wherein an inner pipe body is arranged inside the outer pipe body, the inner pipe body comprises a middle connecting middle pipe, connecting circular pipes are arranged at both ends of the connecting middle pipe, and branch pipes are arranged at one ends of the outer sides of the two connecting circular pipes; the utility model discloses an interior body and assorted auxiliary structure that sets up, the inside structure of handling is carried out to the inside of body outside is provided, a plurality of runners that inside was seted up, can accelerate air flow rate through the runner, and when flowing to the inside of fixed ring, the space increases, reduce the velocity of flow, carry out the absorption formula filtration this moment, can provide better absorption filter effect, the filter effect is better, and because the structure of inside exists with higher speed and deceleration structure, can guarantee when carrying out work, great change can not appear in the whole velocity of flow of air, guarantee the velocity of flow of air.

Description

Dust adsorption type power ventilating duct

Technical Field

The utility model relates to a pipe design field specifically is a dust adsorbs formula power air pipe.

Background

The ventilating duct is a metal or non-metal duct for ventilating and air conditioning engineering of industrial and civil buildings, and is a municipal infrastructure for circulating air and reducing the concentration of harmful gases. The plate, section bar and other main finished product materials used for manufacturing and installing the air duct are in accordance with the regulations of the national current standard of design and related products, and are proved by factory inspection, and the materials are inspected and accepted according to the national current related standard when entering the field.

Current power air pipe installs the dust adsorption structure at the both ends of pipeline usually, carries out the dust adsorption from both ends and handles, conveniently adsorbs and accumulational dust to the structure, but the inside air flow rate of pipeline can be reduced to the time along with using is longer the reduction speed effect more and more strong, and until the clearance is accomplished, there is great use problem in the in-process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust adsorbs formula power air pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dust adsorbs formula power air pipe, includes outer body, interior body has been seted up to the inside of outer body, interior body is including the connection well pipe at middle part, the connection pipe has all been seted up at the both ends of connecting well pipe, two the lateral one end of connecting the pipe has all been seted up a flow pipe.

Preferably, a flange plate is welded inside the port at one end of the outer pipe body, a second flange plate is welded at one end of the outer side of the branch pipe through a connecting circular pipe, and the flange plate inside the outer pipe body is matched with the second flange plate.

Preferably, the other end of the inner pipe body is in threaded connection with a flange plate, the other end of the outer pipe body is provided with a flange plate matched with the flange plate of the inner pipe body, and a plurality of filter screens are arranged inside the connecting circular pipe.

Preferably, the connection part of the connection middle pipe and the connection circular pipe is provided with a fixed circular ring in threaded connection, and the connection part of the connection circular pipe and the branch pipe is fixed through the fixed circular ring.

Preferably, first flange plates are welded on the outer sides of the two end ports of the outer pipe body, the outer pipe body is made of engineering plastics, and the inner pipe body is made of polyvinyl chloride materials.

Preferably, the thickness of the pipe wall of the outer pipe body is 0.3mm-0.6mm, the thickness of the pipe wall of the connecting circular pipe is 0.2mm-0.5mm, the thickness of the pipe wall of the connecting middle pipe is 0.3-0.6mm, and the thickness of the pipe wall of the branch pipe is 0.6mm-0.8 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

through the interior body that sets up and assorted auxiliary structure, the inside structure of handling is carried out at the body outside is provided, a plurality of runners that inside was seted up, can accelerate air flow rate through the runner, and when flowing to the inside of fixed ring, the space increases, reduce the velocity of flow, carry out the absorption formula filtration this moment, can provide better absorption filter effect, the filter effect is better, and because inside structure exists with higher speed and deceleration structure, can guarantee carrying out the during operation, great change can not appear in the whole velocity of flow of air, guarantee the velocity of flow of air, certain beneficial effect is possessed.

Drawings

Fig. 1 is a front view of the inner tube of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 10-an outer body; 11-a first flange; 20-an inner tube; 21-a second flange; 22-a bypass pipe; 23-connecting the middle pipe; 24-connecting circular pipes; 25-fixed ring.

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, a dust adsorption type power ventilation duct includes an outer tube 10, an inner tube 20 is disposed inside the outer tube 10, the inner tube 20 includes a middle connection tube 23 at the middle portion, connection circular tubes 24 are disposed at both ends of the middle connection tube 23, branch tubes 22 are disposed at one ends of the two outer sides of the two connection circular tubes 24, the diameter of the connection circular tubes 24 is large, the space is large, when gas flows in, the pressure is small, the overflow occurs, the air flow rate is reduced, the diameter of the branch tubes 22 is small, the space is small, when gas flows in, the pressure is large, the collection occurs, and the air flow rate is accelerated.

A flange plate is welded in a port at one end of the outer pipe body 10, a second flange plate 21 is welded at one end of the outer side of the branch pipe 22 through a connecting circular pipe 24, the flange plate in the outer pipe body 10 is matched with the second flange plate 21, the other end of the inner pipe body 20 is in threaded connection with a flange plate, the other end of the outer pipe body 10 is provided with a flange plate matched with the flange plate of the inner pipe body 20, one ends of the inner pipe body 20 and the outer pipe body 10 are connected with the second flange plate 21 through the welded flange plate on the inner side of the outer pipe body 10, and the other ends of the inner pipe body 20 and the outer pipe body 10 are connected through a common flange plate in threaded connection, so that disassembly is convenient;

the connecting part of the connecting middle pipe 23 and the connecting circular pipe 24 is provided with a fixing circular ring 25 in threaded connection, the connecting part of the connecting circular pipe 24 and the branch pipe 22 is fixed through the fixing circular ring 25, the connecting circular pipe 24 is internally provided with a plurality of filter screens, the outer sides of the two end ports of the outer pipe body 10 are welded with first flange plates 11, the outer pipe body 10 is made of engineering plastics, the inner pipe body 20 is made of polyvinyl chloride materials, the pipe wall thickness of the outer pipe body 10 is 0.3mm-0.6mm, the pipe wall thickness of the connecting circular pipe 24 is 0.2mm-0.5mm, the pipe wall thickness of the connecting middle pipe 23 is 0.3mm-0.6mm, and the pipe wall thickness of the branch pipe 22 is 0.6mm-0.8 mm.

The working principle is as follows: when using, be connected second ring flange 21 and the inside ring flange of outer body 10 through the bolt, then can use, be connected to pipe-line system with outer body 10, when the air flows to outer body 10, flow in interior body 20, the entering is connected the pipe 24, then flow in tributary pipe 22, from tributary pipe 22 access connection well pipe 23, then flow in the tributary pipe 22 and connect the pipe 24 of opposite side, when flowing in and connecting the pipe 24, the filter effect is strengthened in the air deceleration, accelerate when flowing in tributary pipe 22, guarantee the gas flow rate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust adsorbs formula power air pipe, includes outer body (10), its characterized in that: an inner pipe (20) is arranged inside the outer pipe (10), the inner pipe (20) comprises a connecting middle pipe (23) in the middle, connecting circular pipes (24) are arranged at two ends of the connecting middle pipe (23), and branch pipes (22) are arranged at one ends of the outer sides of the two connecting circular pipes (24).

2. A dust adsorbing powered ventilation duct according to claim 1, characterized in that: the port internal weld of outer body (10) one end has the ring flange, the outside one end of lateral flow pipe (22) all has second ring flange (21) through connecting pipe (24) welding of seting up, the ring flange and the second ring flange (21) phase-match of outer body (10) inside.

3. A dust adsorbing powered ventilation duct according to claim 2, characterized in that: the other end of the inner pipe body (20) is in threaded connection with a flange plate, the other end of the outer pipe body (10) is provided with a flange plate matched with the flange plate of the inner pipe body (20), and a plurality of filter screens are arranged inside the connecting circular pipe (24).

4. A dust adsorbing powered ventilation duct according to claim 2, characterized in that: the connecting part of the connecting middle pipe (23) and the connecting circular pipe (24) is provided with a fixed circular ring (25) in threaded connection, and the connecting part of the connecting circular pipe (24) and the branch pipe (22) is fixed through the fixed circular ring (25).

5. A dust adsorbing powered ventilation duct according to claim 1, characterized in that: the outer pipe body (10) is characterized in that first flange plates (11) are welded to the outer sides of two end ports of the outer pipe body (10), the outer pipe body (10) is made of engineering plastics, and the inner pipe body (20) is made of polyvinyl chloride materials.

6. A dust adsorbing powered ventilation duct according to claim 1, characterized in that: the pipe wall thickness of the outer pipe body (10) is 0.3mm-0.6mm, the pipe wall thickness of the connecting circular pipe (24) is 0.2mm-0.5mm, the pipe wall thickness of the connecting middle pipe (23) is 0.3-0.6mm, and the pipe wall thickness of the branch pipe (22) is 0.6mm-0.8 mm.