CN210728814U - Reverse back flush purifier - Google Patents
Reverse back flush purifier Download PDFInfo
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- CN210728814U CN210728814U CN201921613582.5U CN201921613582U CN210728814U CN 210728814 U CN210728814 U CN 210728814U CN 201921613582 U CN201921613582 U CN 201921613582U CN 210728814 U CN210728814 U CN 210728814U
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- box body
- box
- filter screen
- valve
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Abstract
The utility model discloses a reverse back flush purifier relates to back flush technical field, including box, rivers switching-over valve, blowoff valve and drain valve, wherein: the box body is internally provided with a filter screen which divides the box body into a first box body and a second box body; the water flow reversing valve is communicated with the first box body and the second box body, and water can selectively flow into the first box body or the second box body by switching the water flow reversing valve; the drain valve is communicated with the first box body and is used for controlling the discharge of sewage after the filter screen is washed; and the drain valve is communicated with the second box body and used for controlling the discharge of the purified water obtained after the purified water is filtered by the filter screen. The utility model provides a reverse back flush purifier can enough carry clean water, can make impurity wash more completely again, has avoided the impurity that traditional back flush purifier brought to remain the problem that causes blocking phenomenon.
Description
Technical Field
The utility model relates to a back flush technical field especially relates to a reverse back flush purifier.
Background
The working principle of the traditional backwashing filter is as follows: when the filter is in an internal pressure type under a normal working state, tap water is enabled to permeate to the outer wall from the inner wall of the filter screen by using the self pressure, and granular impurities such as silt, rust and the like are trapped in the pipe; during cleaning, the flushing valve is opened to flush away impurities intercepted by the filter screen, and during the cleaning process, the back flushing filter device only flushes the impurities from the inner side of the filter screen, and some impurities are possibly attached to the filter screen, so that the phenomenon of unclean flushing exists. If the problem that water quality is poor or a user does not wash the water for a long time is met, impurities are embedded in the inner surface of the filter element and cannot be washed away, and finally the blockage phenomenon occurs during water purification.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reverse back flush purifier can purify liquid, can make impurity wash more completely again, and washing efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reverse back flush purifier, includes box, rivers switching-over valve, blowoff valve and drain valve, wherein: the box body is internally provided with a filter screen which divides the box body into a first box body and a second box body; a water flow reversing valve which is communicated with the first box body and the second box body and can selectively make water flow into the first box body or the second box body by switching the water flow reversing valve; the drain valve is communicated with the first box body and is used for controlling the discharge of sewage after the filter screen is washed; and the drain valve is communicated with the second box body and used for controlling the discharge of the purified water obtained after the purified water is filtered by the filter screen.
Further, the filter screen sets up in order to divide into upper and lower two parts with the box in the box, and first box is the upper portion of box, and the second box is the lower part of box.
Furthermore, the water flow reversing valve is connected to the upper end of the first box body.
Furthermore, the reverse backwashing water purification device further comprises a drainage guide pipe, the drainage guide pipe is positioned outside the box body, one end of the drainage guide pipe is connected with the water flow reversing valve, and the other end of the drainage guide pipe is connected to the left side of the second box body.
Further, the blowoff valve is positioned on the right side of the first box body.
Further, the drain valve is located the second box right side.
Further, the box body is cylindrical.
Further, the filter screen is a stainless steel filter screen.
Furthermore, a liquid inlet is arranged at the front end of the water flow reversing valve.
Compared with the prior art, the utility model has the advantages of it is following:
when the reverse backwashing water purifier provided by the utility model is used for purifying water, impurities are attached to the inner side of the filter screen; when the filter screen needs to be washed, water flow rushes to the inner side of the filter screen from the outer side of the filter screen under the action of pressure difference and washes away impurities. The utility model provides a reverse back flush purifier can enough carry clean water, can make impurity wash more completely again, has avoided the impurity that traditional back flush purifier brought to remain the problem that causes blocking phenomenon, has the advantage that manufacturing is simple, the filter effect is good, washing efficiency is high.
Drawings
Fig. 1 is a schematic view of a reverse backwashing water purification device according to an embodiment of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrally connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, a reverse back flush purifier, includes box, rivers switching-over valve 3, blowoff valve 1 and drain valve 2, wherein: the box body is internally provided with a filter screen 6, and the box body is divided into a first box body 4 and a second box body 5 by the filter screen 6; a water flow direction changing valve 3 communicating with the first tank 4 and the second tank 5, the water being selectively made to flow into the first tank 4 or the second tank 5 by switching the water flow direction changing valve 3; the blow-down valve 1 is communicated with the first box body 4 and is used for controlling the discharge of sewage after the filter screen 6 is washed; and the drain valve 2 is communicated with the second box body 5 and is used for controlling the discharge of purified water obtained after being filtered by the filter screen 6.
Preferably, the screen 6 is provided in the case to divide the case into upper and lower parts, the first case 4 is an upper part of the case, the second case 5 is a lower part of the case, a screen surface as a bottom wall of the first case 4 is referred to as a screen inside, and a screen surface as a top wall of the second case 5 is referred to as a screen outside. Preferably, the box body is cylindrical, and is made of a metal material, and is further preferably made of stainless steel. In this embodiment, the filter screen 6 is preferably a stainless steel filter screen, and the stainless steel filter screen can be fixed inside the box body by welding, screwing, clamping and the like.
In a specific structure, the water flow reversing valve 3 is connected with the upper end of the first box body 4 through a pipeline, and the front end of the water flow reversing valve 3 is provided with a liquid inlet. Preferably, the reverse backwashing water purification device further comprises a drainage conduit 7, the drainage conduit 7 is positioned outside the box body, one end of the drainage conduit 7 is connected with the water flow reversing valve 3, and the other end of the drainage conduit 7 is connected to the left side of the second box body 5. Preferably, the soil exhaust valve 1 is located at the right side of the first tank 4, and the drain valve 2 is located at the right side of the second tank 5.
The use principle of the reverse back flush water purification device that this embodiment provided is as follows:
when water needs to be purified, the blowoff valve 1 is closed, tap water flows into the water flow reversing valve 3 from the liquid inlet, the water flow reversing valve 3 is rotated, the tap water is guided into the upper half part of the water purifying device, namely the first box body 4, and the tap water entering the first box body 4 downwards penetrates through the filter screen 6 under the action of the self gravity and the internal pressure, so that the purified water is obtained in the second box body 5. The discharge valve 2 is opened so that the purified water flows out of the water purifying device to provide the purified water to the user.
When filter screen 6 is washed to needs, close drain valve 2, the running water still flows into 3 departments of rivers switching-over valve from the inlet, rotates rivers switching-over valve 3 this moment, introduces the running water in drainage catheter 7, and rivers pass through drainage catheter 7 and flow to purifier the latter half, in second box 5 promptly, the running water in the second box 5 passes through the pressure effect, washes filter screen 6 from the filter screen outside to the filter screen inboard, washes clean with the impurity layer on the filter screen 6. The blow-off valve 1 is opened to discharge the washed impurities out of the apparatus.
The utility model provides a reverse back flush purifier has functions such as direct interception aquatic impurity, getting rid of water suspended solid, particulate matter, reduction turbidity, water purification, can enough carry clean water, can make impurity wash more completely again, has avoided the impurity that traditional back flush purifier brought to remain the problem that causes blocking phenomenon.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a reverse back flush purifier which characterized in that: including box, rivers switching-over valve, blowoff valve and drain valve, wherein:
the box body is internally provided with a filter screen which divides the box body into a first box body and a second box body;
a water flow reversing valve which is communicated with the first box body and the second box body and can selectively make water flow into the first box body or the second box body by switching the water flow reversing valve;
the drain valve is communicated with the first box body and is used for controlling the discharge of sewage after the filter screen is washed;
and the drain valve is communicated with the second box body and used for controlling the discharge of the purified water obtained after the purified water is filtered by the filter screen.
2. The reverse backwashing water purification apparatus of claim 1, wherein: the filter screen sets up in the box in order to divide into two parts about the box, and first box is the upper portion of box, and the second box is the lower part of box.
3. A reverse backwash water purification apparatus as claimed in claim 2, wherein: the water flow reversing valve is connected to the upper end of the first box body.
4. A reverse backwash water purification apparatus as claimed in claim 3, wherein: the reverse backwashing water purification device further comprises a drainage guide pipe, the drainage guide pipe is positioned outside the box body, one end of the drainage guide pipe is connected with the water flow reversing valve, and the other end of the drainage guide pipe is connected to the left side of the second box body.
5. A reverse backwash water purification apparatus as claimed in claim 2, wherein: the blowdown valve is positioned on the right side of the first box body.
6. A reverse backwash water purification apparatus as claimed in claim 2, wherein: the drain valve is located the second box right side.
7. The reverse backwashing water purification apparatus of claim 1, wherein: the box body is cylindrical.
8. The reverse backwashing water purification apparatus of claim 1, wherein: the filter screen is a stainless steel filter screen.
9. The reverse backwashing water purification apparatus of claim 1, wherein: the front end of the water flow reversing valve is provided with a liquid inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613582.5U CN210728814U (en) | 2019-09-26 | 2019-09-26 | Reverse back flush purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613582.5U CN210728814U (en) | 2019-09-26 | 2019-09-26 | Reverse back flush purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210728814U true CN210728814U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921613582.5U Active CN210728814U (en) | 2019-09-26 | 2019-09-26 | Reverse back flush purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210728814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173593A (en) * | 2023-04-24 | 2023-05-30 | 惠州市宝惠电子科技有限公司 | Transformer immersion oil filter equipment |
-
2019
- 2019-09-26 CN CN201921613582.5U patent/CN210728814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173593A (en) * | 2023-04-24 | 2023-05-30 | 惠州市宝惠电子科技有限公司 | Transformer immersion oil filter equipment |
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