CN210375542U - Filter leak detection device - Google Patents
Filter leak detection device Download PDFInfo
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- CN210375542U CN210375542U CN201921471369.5U CN201921471369U CN210375542U CN 210375542 U CN210375542 U CN 210375542U CN 201921471369 U CN201921471369 U CN 201921471369U CN 210375542 U CN210375542 U CN 210375542U
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- filter
- valve
- pipe
- outlet pipe
- water outlet
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000011001 backwashing Methods 0.000 claims description 20
- 210000000476 body water Anatomy 0.000 claims description 4
- 239000004576 sand Substances 0.000 abstract description 19
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a filter leak hunting device, its characterized in that: the water flow detection device comprises a leakage detection pipe arranged on a water outlet pipe of the filter, wherein two ends of the leakage detection pipe are communicated with the water outlet pipe, a straight-through valve for controlling water conduction and a three-way valve for controlling water conduction are arranged on the leakage detection pipe, and the straight-through valve and the three-way valve are sequentially arranged along the water flow direction. The utility model discloses filter leak hunting device, simple structure, convenient to use can whether there is the sand leakage condition in effectual detection filter, ensures effective filtration, and protective apparatus has stronger practicality and better application prospect.
Description
Technical Field
The utility model belongs to the technical field of the filter, more specifically say, relate to a filter leak hunting device.
Background
The high-speed and medium-speed filters are one of the main devices for modern industrial water treatment, and are very suitable for purifying and treating raw water, clean and turbid circulating water in steel enterprises, and are particularly suitable for turbid circulating water treatment systems of steel rolling and continuous casting.
In order to ensure the continuous and normal operation of the high-speed and medium-speed filters, the back flushing process is required when each high-speed and medium-speed filter operates for a period of time (or when the pressure difference of inlet and outlet water is large). And during backwashing, the water inlet valve and the water outlet valve are closed, and the backwashing water discharge valve, the backwashing water inlet valve and the compressed air inlet valve are opened. And after backwashing is finished, closing the air inlet valve, backwashing the water inlet valve and the water outlet valve, opening the water outlet valve and the water inlet valve, and filtering in the next period.
In the actual operation process, the filtered water is directly circulated and conducted to the rear, and sand leakage can be caused due to the damage of the lower filter head in use, so that the filtered water is mixed, the water quality of the discharged water is polluted, the water quality index is reduced, and the subsequent equipment is damaged. Meanwhile, the filter head is damaged, the backwashing strength is too high, the backwashing is not uniform, and a filter material layer is flushed at a local part, so that large-scale backwashing sand leakage is caused, and the filtering effect is reduced. The existing filter is not easy to directly see the state of filtered water, and problems can be found only after large-scale sand leakage and sand leakage occur and the water quality is obviously deteriorated, so that unnecessary loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that prior art exists, providing a simple structure, convenient to use can whether there is the filter leak hunting device of the hourglass sand condition in effectual detection filter.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the filter leak detection device is characterized in that: the water flow detection device comprises a leakage detection pipe arranged on a water outlet pipe of the filter, wherein two ends of the leakage detection pipe are communicated with the water outlet pipe, a straight-through valve for controlling water conduction and a three-way valve for controlling water conduction are arranged on the leakage detection pipe, and the straight-through valve and the three-way valve are sequentially arranged along the water flow direction.
In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:
the leakage detecting pipe comprises a head end connecting pipe connected to a pipeline close to the front end of the water outlet pipe valve group and a tail end connecting pipe connected to a pipeline at the rear end of the water outlet pipe valve group.
And a middle section connecting pipe communicated with the straight-through valve and the three-way valve is arranged between the straight-through valve and the three-way valve.
And a filter screen is arranged between the three-way valve and the flange joint face of the tail end connecting pipe.
The filtering aperture of the filter screen is 2 mm.
The head end connecting pipe is connected with the straight-through valve through a bent pipe.
The valve group on the water outlet pipe of the filter comprises a manual valve and an automatic valve.
The filter water outlet pipe comprises a filter body water outlet pipe and a backwashing water outlet pipe.
And the filter body water outlet pipe and the back washing water outlet pipe are both provided with a leakage detection device.
Compared with the prior art, the utility model, have following advantage: the utility model discloses filter leak hunting device, simple structure, convenient to use can whether there is the sand leakage condition in effectual detection filter, ensures effective filtration, and protective apparatus has stronger practicality and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
fig. 1 is the utility model discloses filter leak hunting device arrangement schematic diagram.
In the drawings, the reference numbers: 1. the water outlet pipe comprises a water outlet pipe 11, a manual valve 12, an automatic valve 2, a leakage detecting pipe 21, a head end connecting pipe 22, a straight-through valve 23, a middle section connecting pipe 24, a three-way valve 25, a filter screen 26 and a tail end connecting pipe.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The utility model discloses this kind of filter leak hunting device, as shown in fig. 1, including locating leak hunting pipe 2 on the filter outlet pipe 1, leak hunting pipe 2's both ends all communicate with outlet pipe 1, are equipped with the direct valve 22 that control water switched on and the three-way valve 24 that control water derived on leak hunting pipe 2, and direct valve 22 and three-way valve 24 arrange along the rivers direction in proper order. Filter leak detection apparatus instructions: when in use, in the drainage process, the straight-through valve 22 is opened, then the three-way valve 24 is rotated to the drainage position, water is led out through the leakage detection pipe and is drained from the drainage port of the three-way valve 24, and whether the drained water flows out of the filter material or not is observed; after the inspection is finished, the three-way valve 24 is rotated to the water-passing position (namely communicated to the rear-section water outlet pipe), and then the straight-through valve 22 is closed, so that the normal water outlet pipe drainage process is ensured. The accessible sets up this leak hunting device, can leak the sand to the filter at any time and detect, and the effective filtration is ensured to the sand condition of leaking in time discovery, protective apparatus.
The utility model discloses in, leak detection pipe 2 is including connecting head end connecting pipe 21 near 1 valves of outlet pipe front end pipeline, and connects end connecting pipe 26 on 1 valves of outlet pipe rear end pipeline. The leakage detection pipe 2 is connected and arranged in front of and behind the valve bank, if sand leakage exists, sand is easy to exist at the position, and the arrangement structure is high in arrangement and detection accuracy.
In the present invention, as shown in fig. 1, a middle section connecting pipe 23 is provided between the straight-through valve 22 and the three-way valve 24. A filter screen 25 is provided between the three-way valve 22 and the flanged joint of the end connection pipe 26 to further filter the water and prevent the kneaded sand from entering the water outlet pipe. The filter mesh 25 has a filter pore size of 2mm according to the use requirement.
The utility model discloses in, be connected through the return bend between head end connecting pipe 21 and the straight-through valve 22, water after the filtration is drawn forth through head end connecting pipe 21 by outlet pipe 1, can further save the accumulation in the return bend junction, and whether there is the sand leakage phenomenon when discharging more obvious observation constantly through three-way valve 24 to timely maintain the improvement to equipment.
The utility model discloses in, the valves on the filter outlet pipe 2 include manual valve 11 and automatic valve 12. The filter outlet pipe 2 of the filter comprises a filter body outlet pipe used for directly discharging filtered water and a backwashing outlet pipe used for discharging backwashing water in backwashing of the filter. The utility model discloses in, it is preferred, all be equipped with leak hunting device on filter body outlet pipe and back flush outlet pipe for whether there is hourglass sand in the detection filter, in time improve the discharge and leak the sand condition, improve the filter effect.
The utility model discloses this kind of filter leak hunting device for one kind uses at novel high, medium speed filter leak hunting device, and filter leak hunting device installs on the body outlet pipe of filter and back flush outlet conduit. The leak detection device adopts a DN100 bypass pipe mode to connect the front and the back of the valve of the water outlet pipe. The bypass pipe is provided with a straight-through valve and a three-way valve. A head end connecting pipe 21 of the filter leak detection device is connected with a front pipeline of a water outlet pipe 1 valve bank of the filter, the front pipeline is connected with a straight-through valve 22 through an elbow, a middle section connecting pipe 23 is connected with a three-way valve 24, a filter screen 25 and a tail end connecting pipe 26 are connected behind the three-way valve 24 in series, and the tail end connecting pipe 26 is connected with a rear pipeline of the water outlet pipe valve bank. Filter leak detection apparatus description of operation: when in use, in the drainage process (namely the drainage valve is opened), the straight-through valve 22 is opened, then the three-way valve 24 is rotated to the drainage position, water is led out through the leakage detection pipe and is drained through the drain outlet of the three-way valve 24, and whether the drained water flows out of the filter material or not is observed; after the inspection is finished, the three-way valve 24 is rotated to the water-passing position (namely communicated to the rear-section water outlet pipe), and then the straight-through valve 22 is closed, so that the normal water outlet pipe drainage process is ensured. The utility model discloses can in time detect the discovery and leak the sand condition, mainly solve original filter and run sand, leak the sand discovery untimely, reduce current quality of water index, and then cause unnecessary loss problem to follow-up water equipment.
When the water outlet pipe of the filter is detected, if the filter material flows out, the filter plate or the filter head is damaged, and the filter plate and the filter head can be arranged to be overhauled. When the filter material flows out of the back washing water outlet pipe, the strength of the back washing water and the compressed air must be reduced if the back washing strength is too high.
The utility model discloses in, all through flange mounting face erection joint between each pipeline of leak hunting device and the ball valve, satisfy the erection joint demand, and can conveniently dismantle, can conveniently clear up the leak hunting pipeline, improve the accuracy that detects.
The utility model can judge whether the filter plate and the filter head at the bottom of the filter are damaged in time, and ensure the water quality index; judging whether the backwashing strength is too high, adjusting the backwashing strength of the filter by gas and water in time, and prolonging the service life of the filter; can realize the unscheduled spot check and detect, increase security, the reliability that supplies water, its simple structure, convenient to use can whether there is the sand leakage condition in effectual detection filter, ensures effective filtration, and protective apparatus has stronger practicality and better application prospect.
The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.
Claims (9)
1. A filter leak detection device is characterized in that: the water flow detection device comprises a leakage detection pipe arranged on a water outlet pipe of the filter, wherein two ends of the leakage detection pipe are communicated with the water outlet pipe, a straight-through valve for controlling water conduction and a three-way valve for controlling water conduction are arranged on the leakage detection pipe, and the straight-through valve and the three-way valve are sequentially arranged along the water flow direction.
2. Leak detection apparatus for a filter as defined in claim 1, wherein: the leakage detecting pipe comprises a head end connecting pipe connected to a pipeline close to the front end of the water outlet pipe valve group and a tail end connecting pipe connected to a pipeline at the rear end of the water outlet pipe valve group.
3. Leak detection apparatus for a filter according to claim 2, wherein: and a middle section connecting pipe communicated with the straight-through valve and the three-way valve is arranged between the straight-through valve and the three-way valve.
4. Leak detection apparatus for a filter as defined in claim 3, wherein: and a filter screen is arranged between the three-way valve and the flange joint face of the tail end connecting pipe.
5. Leak detection apparatus for a filter according to claim 4, wherein: the filtering aperture of the filter screen is 2 mm.
6. Leak detection apparatus for a filter as defined in claim 5, wherein: the head end connecting pipe is connected with the straight-through valve through a bent pipe.
7. Leak detection apparatus for a filter according to any one of claims 2 to 6, wherein: the valve group on the water outlet pipe of the filter comprises a manual valve and an automatic valve.
8. Leak detection apparatus for a filter as defined in claim 1, wherein: the filter water outlet pipe comprises a filter body water outlet pipe and a backwashing water outlet pipe.
9. Leak detection apparatus for a filter as defined in claim 8, wherein: and the filter body water outlet pipe and the back washing water outlet pipe are both provided with a leakage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471369.5U CN210375542U (en) | 2019-09-05 | 2019-09-05 | Filter leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471369.5U CN210375542U (en) | 2019-09-05 | 2019-09-05 | Filter leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210375542U true CN210375542U (en) | 2020-04-21 |
Family
ID=70254632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921471369.5U Active CN210375542U (en) | 2019-09-05 | 2019-09-05 | Filter leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210375542U (en) |
-
2019
- 2019-09-05 CN CN201921471369.5U patent/CN210375542U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240204 Address after: 338000 Metallurgical Road, Xinyu City, Jiangxi Province Patentee after: XINYU IRON & STEEL Co.,Ltd. Country or region after: China Address before: 338000 tiejiao Road, Xinyu City, Jiangxi Province Patentee before: XINYU IRON & STEEL Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |