CN217236585U

CN217236585U - Residual heat flue for conveying low-concentration gas

Info

Publication number: CN217236585U
Application number: CN202220761266.8U
Authority: CN
Inventors: 田晓军; 陈洪博; 史捷芳; 张悦; 田晓剑
Original assignee: Shanxi Donghui Group Zhaojiashan Coal Industry Co Ltd; Shanxi Heyun Energy Service Co ltd
Current assignee: Shanxi Donghui Group Zhaojiashan Coal Industry Co Ltd; Shanxi Heyun Energy Service Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-19
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a waste heat flue for conveying low-concentration gas, which belongs to the field of pipelines, and comprises an outer pipe, wherein a plurality of symmetrically arranged fixed blocks are arranged on the inner wall of the outer pipe, an inner pipe is arranged at one end of the fixed blocks, which is far away from the inner wall of the outer pipe, an outer groove is arranged at one end of the outer pipe, a butt joint block is arranged at the other end of the outer pipe, an inner groove is arranged at one end of the inner pipe, a butt joint is arranged at the other end of the inner pipe, a plurality of symmetrically arranged butt joint plates are arranged at one end of the outer pipe, and a plurality of symmetrically arranged thread blocks are arranged at the other end of the outer pipe, so that two adjacent pipelines can be conveniently butted together, the stability of the pipelines is kept, and the heat in the flue gas can be conveniently recovered, thereby the waste of the heat generated by the combustion of the gas is prevented, the gas is further saved, the waste heat flue conforms to the national resource-saving policy, and the device has a simple structure, the cost is low.

Description

Residual heat flue for conveying low-concentration gas

Technical Field

The utility model relates to a pipeline field, more specifically say, relate to a low concentration is waste heat flue for gas transport.

Background

The low concentration gas is now more be used for the heat supply by people, and the low concentration gas combustion chamber can produce a large amount of heats and produce the flue gas, and the heat in the flue gas needs carry out recycle, and current flue gas pipeline generally all is direct discharge, consequently leads to a large amount of heats to be wasted, reduces the thermal utilization ratio of gas to lead to the gas quantity increase, we have proposed a low concentration gas for transport waste heat flue for this reason.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a low concentration is waste heat flue for gas transportation, it is convenient with adjacent two these pipelines butt joint together, keeps its stable, conveniently retrieves the heat in the flue gas simultaneously to prevent the heat waste that the gas combustion produced, and then practice thrift exerting oneself of gas, accord with national resources are saved's guideline, and the device simple structure, low in cost.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a low concentration is waste heat flue for gas is carried, includes the outer tube, the fixed block that a plurality of symmetries set up is installed to the inner wall of outer tube, and is a plurality of the inner tube is installed to the one end that the outer tube inner wall was kept away from to the fixed block, the outer slot has been seted up to the one end of outer tube, butt joint is installed to the other end of outer tube, the butt joint board that a plurality of symmetries set up is installed to the one end of outer tube, the screw thread piece that a plurality of symmetries set up is installed to the other end of outer tube, and is a plurality of the draw-in groove has all been seted up to the screw thread piece, and is a plurality of the equal threaded connection of screw thread piece has the bolt.

Furthermore, the lateral walls of the butt joint block and the butt joint are respectively sleeved with a rubber pad, so that the butt joint block is prevented from leaking when being butted with an outer groove of another pipeline, or the butt joint block is prevented from leaking when being butted with an inner groove of another pipeline.

Furthermore, it is a plurality of all set up threaded hole with a plurality of screw thread piece to butt joint plate, and screw hole threaded connection bolt conveniently fixes two adjacent outer tubes.

Furthermore, the outer wall of the inner pipe and the inner wall of the outer pipe are both subjected to oxidation prevention treatment, so that the inner wall of the outer pipe and the inner pipe are prevented from being oxidized.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses two adjacent these pipelines are conveniently butted together, keep it stable, and the heat in the flue gas is retrieved to the while convenience to prevent the heat waste that the gas burning produced, and then practice thrift hard of gas, accord with national resources are saved's guideline, and the device simple structure, low in cost.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a sectional view of the butt joint of the pipeline a and the pipeline B of the present invention.

The reference numbers in the figures illustrate:

1. an outer tube; 2. a fixed block; 3. an inner tube; 4. an outer tank; 5. a butt joint block; 6. an inner tank; 7. a butt joint; 8. a butt plate; 9. a thread block; 10. a card slot; 11. a bolt; 12. and (7) a rubber pad.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person of ordinary skill in the art without making any creative effort; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a waste heat flue for conveying low-concentration gas comprises an outer pipe 1, a plurality of symmetrically-arranged fixed blocks 2 are installed on the inner wall of the outer pipe 1, an inner pipe 3 is installed at one end, far away from the inner wall of the outer pipe 1, of the fixed blocks 2, an outer groove 4 is formed in one end of the outer pipe 1, a butt joint block 5 is installed at the other end of the outer pipe 1, an inner groove 6 is formed in one end of the inner pipe 3, a butt joint 7 is installed at the other end of the inner pipe 3, a plurality of symmetrically-arranged butt joint plates 8 are installed at one end of the outer pipe 1, a plurality of symmetrically-arranged thread blocks 9 are installed at the other end of the outer pipe 1, clamping grooves 10 are formed in each thread block 9, and bolts 11 are connected to all the thread blocks 9.

The lateral walls of the butt joint block 5 and the butt joint 7 are both sleeved with rubber pads 12 to prevent leakage when the butt joint block 5 is in butt joint with the outer groove 4 of another pipeline or leakage when the butt joint 7 is in butt joint with the inner groove 6 of another pipeline.

Threaded holes are formed in the butt-joint plates 8 and the thread blocks 9, and the threaded holes are connected with bolts 11 in a threaded mode, so that the two adjacent outer pipes 1 are fixed conveniently.

The outer wall of the inner pipe 3 and the inner wall of the outer pipe 1 are both subjected to oxidation prevention treatment, so that the inner wall of the outer pipe 1 and the inner pipe 3 are prevented from being oxidized.

During the use, by the technical staff in this field with pipeline B's butt joint 7, butt joint piece 5 and a plurality of buttcover plate 8 butt joint respectively pipeline A's inside groove 6, in outer tank 4 and a plurality of draw-in groove 10, later use bolt 11 to pass the screw hole and stably connect pipeline A and pipeline B, later let in the flue gas of gas burning to the inner chamber of inner tube 3, and to the inner chamber of outer tube 1, and the position outside inner tube 3 leads to into water, thereby conveniently absorbs the heat in the flue gas with water, the utility model discloses conveniently butt joint two this pipelines adjacent together, keep it stable, conveniently retrieve the heat in the flue gas simultaneously, thereby prevent the heat waste that the gas burning produced, and then practice thrift the hard of gas, accord with national resources are saved's square needle, and the device simple structure, low in cost.

The above; is only a preferred embodiment of the present invention; however, the scope of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a low concentration is waste heat flue for gas transport, includes outer tube (1), its characterized in that: fixed block (2) that a plurality of symmetries set up are installed to the inner wall of outer tube (1), and are a plurality of outer tube (1) inner wall is kept away from in fixed block (2) one end installs inner tube (3), outer lane (4) have been seted up to the one end of outer tube (1), butt joint piece (5) are installed to the other end of outer tube (1), inside groove (6) have been seted up to the one end of inner tube (3), butt joint (7) are installed to the other end of inner tube (3), butt joint plate (8) that a plurality of symmetries set up are installed to the one end of outer tube (1), thread block (9) that a plurality of symmetries set up are installed to the other end of outer tube (1), and are a plurality of draw-in groove (10) have all been seted up in thread block (9), and are a plurality of equal threaded connection in thread block (9) has bolt (11).

2. The waste heat flue for conveying the low-concentration gas as claimed in claim 1, wherein: the lateral walls of the butt joint block (5) and the butt joint head (7) are both sleeved with rubber pads (12).

3. The waste heat flue for conveying the low-concentration gas as claimed in claim 1, wherein: the width of the butt joint block (5) is matched with that of the outer groove (4), and the width of the butt joint (7) is matched with that of the inner groove (6).

4. The waste heat flue for conveying the low-concentration gas as claimed in claim 1, wherein: a plurality of threaded holes are formed in the butt joint plate (8) and the thread blocks (9) and are connected with bolts (11) in a threaded mode.

5. The waste heat flue for conveying the low-concentration gas as claimed in claim 1, wherein: the outer wall of the inner pipe (3) and the inner wall of the outer pipe (1) are subjected to anti-oxidation treatment.