CN219914793U - Hot air valve water leakage checking device - Google Patents
Hot air valve water leakage checking device Download PDFInfo
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- CN219914793U CN219914793U CN202321662532.2U CN202321662532U CN219914793U CN 219914793 U CN219914793 U CN 219914793U CN 202321662532 U CN202321662532 U CN 202321662532U CN 219914793 U CN219914793 U CN 219914793U
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- pipeline
- valve
- water
- water supply
- hot air
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000008400 supply water Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
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Abstract
The utility model relates to a water leakage checking device of a hot air valve, comprising: a water supply main pipe; the water supply branch water drum is connected with the water supply main pipe, a first pipeline is branched on the water supply branch water drum and is connected with a lower valve shell of the hot air valve, and a second pipeline is branched on the water supply branch water drum and is connected with a valve plate of the hot air valve; a communication pipeline connected with the lower valve casing and the upper valve cover; a water return main pipe; the return water dividing bag is connected with the return water main pipe, a third pipeline is divided on the return water dividing bag and is connected with an upper valve cover of the hot blast valve, and a fourth pipeline is divided on the return water dividing bag and is connected with a valve plate of the hot blast valve; a valve assembly; a detection assembly; when water leakage of a specific pipeline is required to be detected, the first pipeline and the third pipeline form a closed waterway through the valve assembly, the second pipeline and the fourth pipeline form a closed waterway, and the detection assembly is correspondingly positioned on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline; when the pressure of a certain pipeline is reduced, the pipeline which is water leakage can be determined.
Description
Technical Field
The utility model relates to the technical field of hot blast valves of hot blast stoves, in particular to a water leakage checking device for a hot blast valve.
Background
The hot blast stove is an air supply system device for blast furnace ironmaking production, and plays a role in continuously supplying blast air for the blast furnace. The hot blast valve is an indispensable important valve in a blast furnace hot blast stove system and mainly comprises a valve plate, a valve body, a valve cover and the like. The hot air supply device is applied to a hot air outlet in a hot air furnace system and plays a role in switching hot air delivery. With the continuous increase of the temperature and pressure of the hot air of the blast furnace, the working condition of the hot air valve is more and more severe, and the hot air valve works under the condition of 900-1350 ℃ and about 0.4MPa pressure throughout the year, thus being the worst equipment of the working condition in the hot air valve system. In order to adapt to complex and severe working conditions, the hot blast valve needs to be cooled by cooling water to ensure normal work and service life, so that the performance of the hot blast valve directly influences the air supply condition of the whole hot blast stove, and influences the yield and smooth operation of the blast furnace; at present, soft water is generally adopted for sealing circulation of cooling water of a hot air valve in the industry, but when the inside of the hot air valve leaks, the position of the hot air valve is difficult to quickly judge that the hot air valve leaks, generally waterway on-line detection facilities are also installed or the whole hot air valve is directly replaced, no matter what kind of facilities is, the enterprise cost is increased, time and labor are wasted, the difficulty of blindly replacing the whole hot air valve is high, the danger is high, and the hot air pipeline refractory is damaged.
In summary, how to detect the water leakage of a specific waterway becomes a problem to be solved by researchers in the field.
Disclosure of Invention
The utility model aims to solve the technical problems that: how to detect the water leakage of a specific waterway;
in order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a water leakage checking device of a hot air valve, comprising: a water supply main pipe; the water supply branch water bag is connected with the water supply main pipe, a first pipeline is separated from the water supply branch water bag and is connected with a lower valve shell of the hot air valve, and a second pipeline is separated from the water supply branch water bag and is connected with a valve plate of the hot air valve; a communication pipeline connected with the lower valve casing and the upper valve cover; a water return main pipe; the return water dividing bag is connected with the return water main pipe, a third pipeline is divided on the return water dividing bag and is connected with an upper valve cover of the hot blast valve, and a fourth pipeline is divided on the return water dividing bag and is connected with a valve plate of the hot blast valve; a valve assembly adapted to intercept the first, third, second and fourth lines in an independent dwell state; the detection assembly is arranged on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline and is suitable for detecting whether leakage occurs to the corresponding pipeline or not;
in the scheme, the hot air valve comprises a lower valve shell, an upper valve cover and a valve plate; the water sequentially passes through the water supply main pipe, the water supply water dividing bag, the first pipeline, the lower valve shell, the communicating pipeline, the upper valve cover, the third pipeline, the backwater water dividing bag and the backwater main pipe to finish cooling the lower valve shell and the upper valve cover; in addition, the water also cools the valve plate through the second pipeline, the valve plate and the fourth pipeline;
when water leakage of a specific pipeline is required to be detected, the first pipeline and the third pipeline form a closed waterway through the valve assembly, the second pipeline and the fourth pipeline form a closed waterway, and the detection assembly is correspondingly positioned on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline; when the pressure of a certain pipeline is reduced, the pipeline which is water leakage can be determined.
Because the valve plate needs to do lifting movement, the second pipeline and the fourth pipeline do not interfere with the valve plate when the valve plate moves, and the utility model adopts the hose as the second pipeline and the fourth pipeline;
through setting up second pipeline, fourth pipeline into the hose, second pipeline, fourth pipeline can follow the valve plate and go up and down.
To illustrate the specific structure of the valve assembly, the present utility model employs the valve assembly, comprising: the first control valve is connected between the first pipeline and the water supply water diversion packet; the first control valve is connected between the third pipeline and the backwater water diversion packet; a first control valve on the communication pipeline; a first control valve between the second pipeline and the water supply sub-water bag; a first control valve between the fourth pipeline and the backwater water-dividing bag;
the cooling water in the corresponding pipeline can be in a non-flowing pressure maintaining state by arranging the first control valve at the end parts of the first pipeline, the second pipeline, the third pipeline and the fourth pipeline and on the communicating pipeline.
To illustrate the specific structure of the detection assembly, the utility model adopts the detection assembly to comprise: the control valve and the pressure gauge are arranged on the first pipeline in series; the control valve and the pressure gauge are arranged in series on the second pipeline or the fourth pipeline; the control valve and the pressure gauge are arranged on the third pipeline in series;
when the water leakage is required to be detected, the corresponding control valve is opened, so that the water passes through the pressure gauge, and whether the corresponding pipeline leaks or not is judged through the numerical value of the pressure gauge.
The utility model has the beneficial effects that: the utility model relates to a water leakage checking device of a hot air valve, which is characterized in that when water leakage of a specific pipeline is required to be detected, a first pipeline and a third pipeline form a closed waterway through a valve assembly, a second pipeline and a fourth pipeline form a closed waterway as well, and a detection assembly is correspondingly positioned on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline; when the pressure of a certain pipeline is reduced, the pipeline which is water leakage can be determined.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: the device comprises a 1-hot blast valve, a 2-upper valve cover, a 3-lower valve shell, a 4-valve plate, a 5-water supply water dividing bag, a 6-return water dividing bag, an 8-pressure gauge, a 9-control valve, an 11-communication pipeline, a 12-water supply main pipe, a 13-return water main pipe, a 14-check joint, a 15-first control valve, a 21-first pipeline, a 22-second pipeline, a 23-third pipeline and a 24-fourth pipeline.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
As shown in fig. 1, the present utility model is a water leakage inspection device for a hot blast valve, comprising: a water supply main 12; a water supply sub-drum 5 connected to the water supply main 12, on which a first pipe 21 is branched to be connected to the lower valve housing 3 of the hot blast valve 1, and on which a second pipe 22 is branched to be connected to the valve plate 4 of the hot blast valve 1; a communication pipe 11 connecting the lower valve housing 3 and the upper valve cover 2; a return water main pipe 13; the backwater water-dividing bag 6 is connected with the backwater main pipe 13, a third pipeline 23 is divided on the backwater water-dividing bag and is connected with the upper valve cover 2 of the hot blast valve 1, and a fourth pipeline 24 is divided on the backwater water-dividing bag and is connected with the valve plate 4 of the hot blast valve 1; a valve assembly adapted to shut off the first, third, second and fourth lines 21, 23, 22 and 24 in an independent dwell state; a detection assembly mounted on the first, third, second or fourth pipelines 21, 23, 22 or 24, adapted to detect whether leakage occurs in the corresponding pipeline;
in the scheme, the hot air valve comprises a lower valve shell, an upper valve cover and a valve plate; the water sequentially passes through the water supply main pipe, the water supply water dividing bag, the first pipeline, the lower valve shell, the communicating pipeline, the upper valve cover, the third pipeline, the backwater water dividing bag and the backwater main pipe to finish cooling the lower valve shell and the upper valve cover; in addition, the water also cools the valve plate through the second pipeline, the valve plate and the fourth pipeline;
when water leakage of a specific pipeline is required to be detected, the first pipeline and the third pipeline form a closed waterway through the valve assembly, the second pipeline and the fourth pipeline form a closed waterway, and the detection assembly is correspondingly positioned on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline; when the pressure of a certain pipeline is reduced, the pipeline which is water leakage can be determined.
As shown in fig. 1, because the valve plate needs to perform lifting movement, the second and fourth pipelines do not interfere with the valve plate when the valve plate moves, and the second pipeline 22 and the fourth pipeline 24 are both hoses;
through setting up second pipeline, fourth pipeline into the hose, second pipeline, fourth pipeline can follow the valve plate and go up and down.
As shown in fig. 1, to illustrate a specific structure of a valve assembly, the present utility model employs the valve assembly, including: a first control valve 15 connected between the first pipeline 21 and the water supply sub-drum 5; the first control valve 15 is connected between the third pipeline 23 and the backwater water-dividing bag 6; a first control valve 15 on the communication line 11; a first control valve 15 between the second pipeline 21 and the water supply water diversion packet 5; a first control valve 15 between the fourth pipeline 24 and the backwater water diversion packet 6;
the cooling water in the corresponding pipeline can be in a non-flowing pressure maintaining state by arranging the first control valve at the end parts of the first pipeline, the second pipeline, the third pipeline and the fourth pipeline and on the communicating pipeline.
As shown in fig. 1, to illustrate a specific structure of the detection assembly, the present utility model employs the detection assembly including: the control valve 9 and the pressure gauge 8 are arranged on the first pipeline 21 in series; the control valve 9 and the pressure gauge 8 are arranged on the second pipeline 22 or the fourth pipeline 24 in series; the control valve 9 and the pressure gauge 8 are arranged on the third pipeline 23 in series;
when the water leakage is required to be detected, the corresponding control valve is opened, so that the water passes through the pressure gauge, and whether the corresponding pipeline leaks or not is judged through the numerical value of the pressure gauge.
Working principle:
when the hot air valve leaks water, the hot air valve needs to be rapidly checked to determine which part of the hot air valve leaks water, particularly the hot air valve upper valve cover 2 is communicated with the water channel of the lower valve shell 3, and needs to be cut off for separate and independent check, so that the upper valve cover 2, the lower valve shell 3 and the valve plate 4 need to be independently and rapidly checked, at the moment, the first control valve 15 of the water pipe 11 which is communicated with the upper valve cover 2 and the lower valve shell 3 needs to be closed, the first control valves 15 on the first, second, third and fourth pipelines are closed, the upper valve cover 2, the lower valve shell 3 and the valve plate 4 are respectively and independently opened, the water circuits form a pressure maintaining state, then the control valve 9 on the corresponding pipeline is opened, the pressure gauge 8 is arranged on the control valve, the water leakage position is checked through the change of the pressure gauge 8, and because the cooling water pressure is higher than the hot air pressure when the water leakage position occurs, the cooling water can be leaked through the leakage point, and the water leakage position is checked through the change of the pressure gauge 8; after inspection, the first control valve 15 is opened one by one to restore the cooling of the water supply; in addition, the control valve 9 connected with the corresponding pipeline can also be used as an inlet of standby cooling water of a hot air valve or used as external drainage.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. A hot blast valve water leakage inspection device, comprising:
a water supply main pipe;
the water supply branch water bag is connected with the water supply main pipe, a first pipeline is separated from the water supply branch water bag and is connected with a lower valve shell of the hot air valve, and a second pipeline is separated from the water supply branch water bag and is connected with a valve plate of the hot air valve;
a communication pipeline connected with the lower valve casing and the upper valve cover;
a water return main pipe;
the return water dividing bag is connected with the return water main pipe, a third pipeline is divided on the return water dividing bag and is connected with an upper valve cover of the hot blast valve, and a fourth pipeline is divided on the return water dividing bag and is connected with a valve plate of the hot blast valve;
a valve assembly adapted to intercept the first, third, second and fourth lines in an independent dwell state;
and the detection assembly is arranged on the first pipeline, the third pipeline, the second pipeline or the fourth pipeline and is suitable for detecting whether leakage occurs to the corresponding pipeline.
2. The apparatus of claim 1, wherein the second and fourth pipes are hoses.
3. The hot blast valve leakage inspection device according to claim 1, wherein said detecting means comprises:
the control valve and the pressure gauge are arranged on the first pipeline in series;
the control valve and the pressure gauge are arranged in series on the second pipeline or the fourth pipeline;
and the third pipeline is provided with a control valve and a pressure gauge which are connected in series.
4. The hot blast valve leakage inspection device according to claim 1, wherein said valve assembly comprises:
the first control valve is connected between the first pipeline and the water supply water diversion packet;
the first control valve is connected between the third pipeline and the backwater water diversion packet;
a control valve on the communication pipeline;
a first control valve between the second pipeline and the water supply sub-water bag;
and a first control valve between the fourth pipeline and the backwater water-dividing bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662532.2U CN219914793U (en) | 2023-06-28 | 2023-06-28 | Hot air valve water leakage checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662532.2U CN219914793U (en) | 2023-06-28 | 2023-06-28 | Hot air valve water leakage checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914793U true CN219914793U (en) | 2023-10-27 |
Family
ID=88467801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321662532.2U Active CN219914793U (en) | 2023-06-28 | 2023-06-28 | Hot air valve water leakage checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914793U (en) |
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2023
- 2023-06-28 CN CN202321662532.2U patent/CN219914793U/en active Active
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