CN210964079U - Waste water outlet structure of filter vat - Google Patents
Waste water outlet structure of filter vat Download PDFInfo
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- CN210964079U CN210964079U CN201921864511.2U CN201921864511U CN210964079U CN 210964079 U CN210964079 U CN 210964079U CN 201921864511 U CN201921864511 U CN 201921864511U CN 210964079 U CN210964079 U CN 210964079U
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Abstract
The utility model provides a waste water outlet structure of a filter vat, which comprises a filter vat body, a raw water inlet pipe, a filtered water outlet pipe and a waste water discharge pipe, wherein a filter material cavity is arranged in the filter vat body, the raw water inlet pipe and the filtered water outlet pipe are both connected to the upper end of the filter vat body, the filtered water outlet pipe extends into the bottom of the filter material cavity, and the raw water inlet pipe extends into the upper part of the filter material cavity; the upper end of the side wall of the filter barrel body is provided with an upper wastewater discharge port, the lower end of the side wall of the filter barrel body is provided with a lower wastewater discharge port, and the upper wastewater discharge port and the lower wastewater discharge port are both communicated with the filter material cavity; the wastewater discharge pipe is respectively connected with an upper wastewater discharge port and a lower wastewater discharge port. When the filter barrel is used for forward flushing, flushing water can fully flow through the filter material layer in the filter barrel and then is guided into the waste water discharge pipe from the lower waste water discharge port at the lower end of the filter barrel to be discharged, so that the forward flushing effect is ensured.
Description
Technical Field
The utility model relates to a drinking water purification device technical field, more specifically relates to a waste water of lauter tub goes out water structure.
Background
Large commercial reverse osmosis drinking water dispensers are typically drinking water treatment facilities that use reverse osmosis technology to treat the water, producing from 6 to 48 tons of pure water per day. Such devices are currently used in large numbers in central water supply systems in schools, factories, office buildings, and the like. Typical processes used with such equipment are: raw water, sand barrel filtration, carbon barrel filtration, resin barrel filtration, security filtration, reverse osmosis filtration and purified water, wherein the obtained purified water can be drunk after post-filtration and sterilization treatment.
The sand barrel, the filtering carbon barrel and the filtering resin barrel are collectively called as filter barrels, and impurities in filter materials in the filter barrels are more and more in long-time use. Therefore, in actual use, the system can remove impurities in the filter material in the filter barrel through regular repeated washing processes in the reverse direction and the forward direction.
The back washing process comprises the following steps: raw water is reversely injected into the filtered water outlet pipe, and the raw water passes through the filter material and then is discharged from the waste water discharge pipe. The forward flushing process comprises the following steps: raw water is positively injected from the raw water inlet pipe, and the raw water passes through the filter material and then is discharged from the waste water discharge pipe.
However, the existing filter vat in the market only has a unique wastewater discharge pipe, and the wastewater discharge pipe, the raw water inlet pipe and the filtered water outlet pipe are all arranged at the upper end of the filter vat, when the forward flushing process is carried out, the raw water for cleaning is discharged from the wastewater discharge pipe immediately after entering from the raw water inlet pipe, and the cleaning water does not flow through the filter material layer in the filter vat, so that the forward flushing process can only flush few filter materials on the surface, and the forward flushing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving at least one defect in the prior art, provide a waste water of lauter tub goes out water structure to improve forward washing effect.
The utility model adopts the technical scheme as follows:
a waste water outlet structure of a filter barrel comprises a filter barrel body, a raw water inlet pipe, a filtered water outlet pipe and a waste water discharge pipe, wherein a filter material cavity is arranged in the filter barrel body, the raw water inlet pipe and the filtered water outlet pipe are both connected to the upper end of the filter barrel body, the filtered water outlet pipe extends into the bottom of the filter material cavity, and the raw water inlet pipe extends into the upper part of the filter material cavity;
an upper wastewater discharge port is formed in the upper end of the side wall of the filter barrel body, a lower wastewater discharge port is formed in the lower end of the side wall of the filter barrel body, and the upper wastewater discharge port and the lower wastewater discharge port are both communicated with the filter material cavity; the wastewater discharge pipe is respectively connected with the upper wastewater discharge port and the lower wastewater discharge port.
Further, a first dual-purpose solenoid valve connected between the upper waster drain port and the waster water discharge pipe and a second dual-purpose solenoid valve connected between the lower waster drain port and the waster water discharge pipe are included.
Further, the upper wastewater discharge port and the lower wastewater discharge port are connected with the filter barrel body in a welding manner.
Further, the outer ends of the upper wastewater discharge port and the lower wastewater discharge port are respectively provided with a connecting flange.
Furthermore, the junction of the wastewater discharge pipe and the upper wastewater discharge port is provided with a first flange, and the junction of the wastewater discharge pipe and the lower wastewater discharge port is provided with a second flange.
Furthermore, the inner end of the first flange is connected with a first extension pipe, the diameter of the first extension pipe is smaller than the aperture of the upper wastewater discharge port, the other end of the first extension pipe is arranged in a closed mode, and the side wall of the first extension pipe is provided with a plurality of filter holes.
Furthermore, the inner end of the second flange is connected with a second extension pipe, the pipe diameter of the second extension pipe is smaller than the aperture of the lower wastewater discharge port, the other end of the second extension pipe is arranged in a closed mode, and the side wall of the second extension pipe is provided with a plurality of filter holes.
Further, the length of the first extension pipe is not less than the length of the upper wastewater discharge port, and the length of the second extension pipe is not less than the length of the lower wastewater discharge port.
The utility model has the advantages that:
the utility model discloses the waste water play water structure of lauter tub, when just washing the operation, wash water from the leading-in lauter tub of raw water inlet tube, in order to avoid wasing water not through the filter material and directly through the leading-in waste water discharge pipe of last waste water discharge mouth discharges, consequently close waste water discharge mouth, make wash water can flow fully behind the filter media layer in the lauter tub, again from the leading-in waste water discharge pipe of lower waste water discharge mouth of lauter tub lower extreme discharge, therefore just wash effectually.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,
FIG. 1: the embodiment of the utility model discloses a schematic diagram of a filter vat in the prior art during back flushing;
FIG. 2: the embodiment of the utility model discloses a schematic diagram of a filter vat in the prior art during forward flushing;
FIG. 3: the embodiment of the utility model discloses a schematic diagram of a wastewater outlet structure of a filter vat during forward flushing;
FIG. 4: the embodiment of the utility model discloses a schematic diagram of the reverse flushing of the wastewater outlet structure of another filter vat;
FIG. 5: the embodiment of the utility model provides a front view of a filter vat with a wastewater outlet structure;
FIG. 6: the embodiment of the utility model provides a front view of a wastewater discharge pipe of a wastewater outlet structure of a filter vat;
FIG. 7: the embodiment of the utility model provides a partial enlarged view of a wastewater outlet structure of a filter vat;
FIG. 8: the embodiment of the utility model provides a waste water discharge pipe 4's of waste water play water structure of one of them lauter tub installation schematic diagram.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Examples
As shown in fig. 3-8, the present embodiment discloses a wastewater outlet structure of a filter barrel, which includes a filter barrel body 1, a raw water inlet pipe 2, a filtered water outlet pipe 3 and a wastewater outlet pipe 4, wherein a filter material chamber 10 is disposed in the filter barrel body 1, the raw water inlet pipe 2 and the filtered water outlet pipe 3 are both connected to the upper end of the filter barrel body 1, the filtered water outlet pipe 3 extends into the bottom of the filter material chamber 10, and the raw water inlet pipe 2 extends into the upper portion of the filter material chamber 10; an upper wastewater discharge port 5 is formed in the upper end of the side wall of the filter barrel body 1, a lower wastewater discharge port 6 is formed in the lower end of the side wall of the filter barrel body, and the upper wastewater discharge port 5 and the lower wastewater discharge port 6 are both communicated with the filter material cavity 10; the wastewater discharge pipe 4 is connected to the upper wastewater discharge port 5 and the lower wastewater discharge port 6, respectively.
The raw water inlet pipe 2 is used for leading in raw water when the filter vat normally works, and the waste water discharge pipe 4 is closed at the moment, and the filter vat is filled with filter materials. The raw water introduced into the filter barrel passes through the filter material in the filter barrel from top to bottom, and then becomes purified water which is discharged from the filtered water outlet pipe 3. After running for a certain time, more impurities can be accumulated in the filter material, so that the filter material can be flushed by forward flushing and backward flushing.
When the washing water is positively introduced into the filter vat from the raw water inlet pipe 2, the upper wastewater discharge port 5 is closed, the washing water is prevented from directly flowing out from the upper wastewater discharge port 5 without passing through the filter material, and at the moment, the washing water is forced to fully flow through the filter material layer in the filter vat from top to bottom and then is introduced into the wastewater discharge pipe 4 from the lower wastewater discharge port 6 at the lower end of the filter vat for discharge. During the positive flushing, the filtered water outlet pipe 3 should be closed.
When backwashing, the washing water is reversely led into the filter barrel from the filtered water outlet pipe 3, the lower wastewater discharge port 6 is closed, the washing water is prevented from directly flowing out from the lower wastewater discharge port 6 without passing through the filter material, and the washing water is forced to fully flow through the filter material layer in the filter barrel from bottom to top and then is led into the wastewater discharge pipe 4 from the upper wastewater discharge port 5 at the upper end of the filter barrel to be discharged. In the back flushing process, the raw water inlet pipe 2 is closed.
As shown in fig. 4, in one embodiment, a first dual-purpose solenoid valve 8 and a second dual-purpose solenoid valve 9 are further included, the first dual-purpose solenoid valve 8 being connected between the upper waste water discharge port 5 and the waste water discharge pipe 4, and the second dual-purpose solenoid valve 9 being connected between the lower waste water discharge port 6 and the waste water discharge pipe 4. When the first dual-purpose electromagnetic valve 8 is switched on and the second dual-purpose electromagnetic valve 9 is switched off, the upper wastewater discharge port 5 is communicated with the wastewater discharge pipe 4, and the lower wastewater discharge port 6 is switched off from the wastewater discharge pipe 4, so that the device is suitable for the working state of backwashing; when the first dual solenoid valve 8 is turned off and the second dual solenoid valve 9 is turned on, the upper wastewater discharge port 5 is disconnected from the wastewater discharge pipe 4, and the lower wastewater discharge port 6 is communicated with the wastewater discharge pipe 4, which is suitable for a flushing operation.
As shown in fig. 5, a barrel cover is disposed at the upper end of the filter barrel body 1, and the raw water inlet pipe 2 and the filtered water outlet pipe 3 are connected to the barrel cover through bolts. The upper wastewater discharge port 5 and the lower wastewater discharge port 6 are connected with the filter vat body 1 in a welding manner. When the filter vat is manufactured, the upper wastewater discharge port 5 and the lower wastewater discharge port 6 are welded on the filter vat body 1 together with the filter vat during manufacturing, and the upper wastewater discharge port 5 and the lower wastewater discharge port 6 are arranged on the side wall of the filter vat body 1, so that the requirement on welding sealing is higher.
As shown in fig. 5 to 7, the outer ends of the upper and lower waste water discharge ports 5 and 6 are provided with coupling flanges 50. Further, a first flange 41 is arranged at the joint of the wastewater discharge pipe 4 and the upper wastewater discharge port 5, and a second flange 42 is arranged at the joint of the wastewater discharge pipe 4 and the lower wastewater discharge port 6. When the wastewater discharge pipe 4 is connected with the upper wastewater discharge port 5 and the lower wastewater discharge port 6, the first flange 41 abuts against the connecting flange 50 of the upper wastewater discharge port 5, and then is fixed by the fast clamp, and similarly, the second flange 42 abuts against the connecting flange 50 of the first and connecting pipe, and then is fixed by the fast clamp, so that the wastewater discharge pipe 4 is very convenient to be connected with the upper wastewater discharge port 5 and the lower wastewater discharge port 6 in a detachable connection mode.
In order to prevent the filter medium in the filter vat from entering the upper wastewater discharge port 5 or the lower wastewater discharge port 6 and causing the pipeline to be blocked, the following structures of the wastewater discharge pipe 4 at corresponding positions are respectively provided.
As shown in fig. 6 to 8, in particular, the inner end of the first flange 41 is provided with a first extension pipe 43, the diameter of the first extension pipe 43 is smaller than the diameter of the upper wastewater discharge port 5, the other end of the first extension pipe 43 is sealed, and the side wall of the first extension pipe 43 is provided with a plurality of filtering holes 40. In this embodiment, the length of the first extension pipe 43 is not less than the length of the upper drain hole 5.
Similarly, the inner end of the second flange 42 is connected with a second extension pipe 44, the pipe diameter of the second extension pipe 44 is smaller than the aperture of the lower wastewater discharge port 6, the other end of the second extension pipe 44 is sealed, and the side wall of the second extension pipe 44 is provided with a plurality of filter holes 40. In this embodiment, the length of the second extension pipe 44 is not less than the length of the lower waste discharge port 6.
To sum up, the utility model discloses the waste water play water structure of lauter tub, when just washing the operation, wash water from the leading-in lauter tub of raw water inlet tube, in order to avoid wasing water not through the filter material and directly through the leading-in waste water discharge pipe of last waste water discharge mouth discharges, consequently close last waste water discharge mouth, make wash water can fully flow through behind the filter media layer in the lauter tub, again from the leading-in waste water discharge pipe of lower waste water discharge mouth of lauter tub lower extreme discharge, consequently just wash effectually.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (8)
1. The waste water outlet structure of the filter barrel is characterized by comprising a filter barrel body, a raw water inlet pipe, a filtered water outlet pipe and a waste water discharge pipe, wherein a filter material cavity is arranged in the filter barrel body;
an upper wastewater discharge port is formed in the upper end of the side wall of the filter barrel body, a lower wastewater discharge port is formed in the lower end of the side wall of the filter barrel body, and the upper wastewater discharge port and the lower wastewater discharge port are both communicated with the filter material cavity; the wastewater discharge pipe is respectively connected with the upper wastewater discharge port and the lower wastewater discharge port.
2. The wastewater discharge structure of a lauter tub of claim 1, further comprising a first dual solenoid valve connected between the upper wastewater discharge port and the wastewater discharge pipe and a second dual solenoid valve connected between the lower wastewater discharge port and the wastewater discharge pipe.
3. The waste water discharging structure of the lauter tub of claim 1, wherein the upper and lower waste water discharging ports are welded to the lauter tub body.
4. The wastewater discharge structure of a lauter tub as claimed in claim 1, wherein the outer ends of the upper wastewater discharge port and the lower wastewater discharge port are provided with coupling flanges.
5. The wastewater outlet structure of a lauter tub as claimed in claim 4, wherein a first flange is provided at a connection of the wastewater discharge pipe and the upper wastewater discharge port, and a second flange is provided at a connection of the wastewater discharge pipe and the lower wastewater discharge port.
6. The waste water outlet structure of a filter vat according to claim 5, wherein the inner end of the first flange is connected with a first extension pipe, the diameter of the first extension pipe is smaller than the diameter of the upper waste water outlet, the other end of the first extension pipe is closed, and the side wall of the first extension pipe is provided with a plurality of filtering holes.
7. The waste water outlet structure of the filter vat according to claim 6, wherein the inner end of the second flange is connected with a second extension pipe, the diameter of the second extension pipe is smaller than the diameter of the lower waste water outlet, the other end of the second extension pipe is closed, and the side wall of the second extension pipe is provided with a plurality of filtering holes.
8. The waste water discharging structure of a lauter tub of claim 7, wherein the length of the first extension pipe is not less than the length of the upper waste water discharging port, and the length of the second extension pipe is not less than the length of the lower waste water discharging port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864511.2U CN210964079U (en) | 2019-10-31 | 2019-10-31 | Waste water outlet structure of filter vat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864511.2U CN210964079U (en) | 2019-10-31 | 2019-10-31 | Waste water outlet structure of filter vat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210964079U true CN210964079U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864511.2U Active CN210964079U (en) | 2019-10-31 | 2019-10-31 | Waste water outlet structure of filter vat |
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| Country | Link |
|---|---|
| CN (1) | CN210964079U (en) |
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2019
- 2019-10-31 CN CN201921864511.2U patent/CN210964079U/en active Active
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