CN220250032U - Ash removal device of micro negative pressure gas heat exchanger - Google Patents
Ash removal device of micro negative pressure gas heat exchanger Download PDFInfo
- Publication number
- CN220250032U CN220250032U CN202321704164.3U CN202321704164U CN220250032U CN 220250032 U CN220250032 U CN 220250032U CN 202321704164 U CN202321704164 U CN 202321704164U CN 220250032 U CN220250032 U CN 220250032U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- gas heat
- quick
- ash removal
- valve cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a micro negative pressure gas heat exchanger ash removal device, which belongs to the technical field of ash removal, and comprises a gas heat exchanger rear smoke box, wherein a rear smoke box tube plate is arranged on one side of the gas heat exchanger rear smoke box, a plurality of ash removal devices are welded on one side of the rear smoke box tube plate, and the ash removal devices comprise: the threaded pipe is welded on one side of the rear smoke box tube plate, the quick-opening valve cover is in threaded connection with one end of the threaded pipe, a sealing gasket is arranged between the threaded pipe and the quick-opening valve cover so as to improve the sealing property between the threaded pipe and the quick-opening valve cover, the quick-opening valve cover is characterized in that a nut is welded on one side of the quick-opening valve cover, and the quick-opening valve cover is simple in structure and reasonable in design, can adapt to the characteristics of ash removal of a micro-negative pressure gas heat exchanger, and can solve the problems that dead angles exist in ash removal of a heat exchange tube of the existing micro-negative pressure gas heat exchanger and the sealing flange is inconvenient to detach; meanwhile, the device has the characteristics of simplicity in installation and disassembly.
Description
Technical Field
The utility model relates to the technical field of ash removal, in particular to an ash removal device of a micro negative pressure gas heat exchanger.
Background
At present, the gas heat exchanger in the waste acid regeneration system of the sulfuric acid industry needs to regularly carry out ash removal work on heat exchange tubes of the gas heat exchanger due to larger dust content, so that an ash removal device concentric with the heat exchange tubes is arranged on a smoke box tube plate at the tail part of the heat exchanger, and a traditional ash removal device requires an ash removal hole to simultaneously clean a plurality of heat exchange tubes and adopts flange sealing. Therefore, the utility model discloses a dust removing device of a micro negative pressure gas heat exchanger.
Disclosure of Invention
The present utility model has been made in view of the above-mentioned and/or problems occurring in the prior art of a micro negative pressure gas heat exchanger ash removal device.
Therefore, the utility model aims to provide the ash removing device of the micro negative pressure gas heat exchanger, which can solve the problems in the prior art.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
the ash removing device of the micro negative pressure gas heat exchanger comprises a gas heat exchanger rear smoke box, wherein a rear smoke box tube plate is arranged on one side of the gas heat exchanger rear smoke box, and a plurality of ash removing devices are welded on one side of the rear smoke box tube plate;
the ash removal device includes:
a threaded tube welded on one side of the rear smoke box tube plate;
the quick-opening valve cover is in threaded connection with one end of the threaded pipe.
As a preferable scheme of the ash removal device of the micro negative pressure gas heat exchanger, the utility model comprises the following steps: and a sealing gasket is arranged between the threaded pipe and the quick-opening valve cover so as to improve the sealing property between the threaded pipe and the quick-opening valve cover.
As a preferable scheme of the ash removal device of the micro negative pressure gas heat exchanger, the utility model comprises the following steps: one side of the quick-opening valve cover is welded with a nut so as to enable the quick-opening valve cover to rotate.
Compared with the prior art:
the utility model has simple structure and reasonable design, can adapt to the characteristics of the ash removal of the micro negative pressure gas heat exchanger, and can solve the problems of dead angle and inconvenient disassembly of the sealing flange existing in the ash removal of the heat exchange tube of the traditional micro negative pressure gas heat exchanger; meanwhile, the device has the characteristics of simplicity in installation and disassembly.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic side view of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the ash removal device of the present utility model.
In the figure: the gas heat exchanger comprises a rear smoke box 1, a rear smoke box tube plate 2, an ash removing device 3, a threaded tube 4, a quick-opening valve cover 5, a sealing gasket 6 and a nut 7.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides an ash removing device of a micro-negative pressure gas heat exchanger, referring to fig. 1-3, which comprises a gas heat exchanger rear smoke box 1, wherein a rear smoke box tube plate 2 is arranged on one side of the gas heat exchanger rear smoke box 1, a plurality of ash removing devices 3 are welded on one side of the rear smoke box tube plate 2, and the ash removing devices 3 and heat exchange tubes are concentrically arranged.
The ash removal device 3 includes: a threaded pipe 4, a quick-opening valve cover 5,
The screwed pipe 4 is welded on one side of the rear smoke box tube plate 2, the quick-opening valve cover 5 is in threaded connection with one end of the screwed pipe 4, a sealing gasket 6 is arranged between the screwed pipe 4 and the quick-opening valve cover 5, so that tightness between the screwed pipe 4 and the quick-opening valve cover 5 is improved, a nut 7 is welded on one side of the quick-opening valve cover 5, the quick-opening valve cover 5 is conveniently rotated, the nut 7 and the quick-opening valve cover 5 are concentrically installed, the quick-opening valve cover 5 is rotated through the nut 7 during ash removal, the quick-opening valve cover 5 is taken down from the screwed pipe 4, and the quick-opening valve cover 5 is in threaded connection with the screwed pipe 4 during ash removal.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. The ash removing device of the micro negative pressure gas heat exchanger comprises a gas heat exchanger rear smoke box (1), wherein a rear smoke box tube plate (2) is arranged on one side of the gas heat exchanger rear smoke box (1), and the ash removing device is characterized in that a plurality of ash removing devices (3) are welded on one side of the rear smoke box tube plate (2);
the ash removal device (3) comprises:
a threaded tube (4), wherein the threaded tube (4) is welded on one side of the rear smoke box tube plate (2);
and the quick-opening valve cover (5) is in threaded connection with one end of the threaded pipe (4).
2. The ash removal device of the micro negative pressure gas heat exchanger according to claim 1, wherein a sealing gasket (6) is arranged between the threaded pipe (4) and the quick-opening valve cover (5) so as to improve the tightness between the threaded pipe (4) and the quick-opening valve cover (5).
3. The ash removal device of a micro negative pressure gas heat exchanger according to claim 1, wherein a nut (7) is welded on one side of the quick-opening valve cover (5) so as to rotate the quick-opening valve cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704164.3U CN220250032U (en) | 2023-07-03 | 2023-07-03 | Ash removal device of micro negative pressure gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704164.3U CN220250032U (en) | 2023-07-03 | 2023-07-03 | Ash removal device of micro negative pressure gas heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250032U true CN220250032U (en) | 2023-12-26 |
Family
ID=89229955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704164.3U Active CN220250032U (en) | 2023-07-03 | 2023-07-03 | Ash removal device of micro negative pressure gas heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250032U (en) |
-
2023
- 2023-07-03 CN CN202321704164.3U patent/CN220250032U/en active Active
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