CN215161075U - Water inlet system of filter tank of waterworks - Google Patents
Water inlet system of filter tank of waterworks Download PDFInfo
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- CN215161075U CN215161075U CN202023328117.2U CN202023328117U CN215161075U CN 215161075 U CN215161075 U CN 215161075U CN 202023328117 U CN202023328117 U CN 202023328117U CN 215161075 U CN215161075 U CN 215161075U
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Abstract
A water inlet system of a filter tank of a waterworks comprises a water inlet main channel and a water inlet distribution tank which are communicated with each other, wherein an overflow weir is arranged in the water inlet distribution tank; filtered water enters from the water inlet main channel and then enters the filter tank after flowing through the water inlet distribution tank; only one water inlet is formed between the water inlet main channel and the overflow groove, and a pneumatic gate valve is arranged corresponding to the water inlet; the water inlet is provided with a sealing guide frame with an opening at the top, the sealing guide frame comprises a sealing frame matched with the water inlet and a guide frame formed at the top of the sealing frame, and the gate plate of the pneumatic gate valve is plugged and sealed with the sealing guide frame. The utility model has the characteristics of long service life, operation are more stable, sealing performance is better.
Description
Technical Field
The utility model relates to a water treatment facilities technical field especially relates to a water works filtering pond system of intaking.
Background
The water purifier for water works includes mixer, flocculator, settling tank, filtering tank, etc. In the prior art, an air bag water inlet valve is generally adopted in a water inlet system of a filter tank to control water inlet, and air is blown to swell an air bag to plug a water inlet hole, so that the effect of closing the valve is achieved. During the use, the gasbag has fully played the effect as filtration pond inflow control, has advantages such as the consumptive material price is lower, the equipment form is simpler, the installation is easier. However, the air bag is impacted by water flow in outdoor sun and rain environments, is easy to age and break down, and is prone to air leakage. When in maintenance, the pool needs to be stopped, the air bag is integrally disassembled for replacement, and the maintenance amount is large. Meanwhile, the water inlet valve of the air bag is difficult to accurately control, the water to be filtered cannot be completely stopped when the water is backwashed, stopped for cleaning and maintained, and the part of water can be directly drained from the drainage channel, so that waste is caused. In addition, when the filter tank is backwashed, because the water inlet valve of the air bag is not closed, a large amount of water can also flow into the filter tank from the V-shaped groove due to overlarge water inlet amount, so that the surface sweeping is blocked, and the normal operation of the backwashing of the filter tank is influenced.
A Chinese utility model with publication number CN2579494Y discloses a water inlet control device for V-shaped filter (called filter for short, the same below), the device makes each filter only establish a inlet opening, replaces the gasbag water inlet valve with a gate valve that can multiple spot location, adjust aperture at will, take sealing performance, can satisfy the technological requirements of filter water inlet control, surface sweeping intensity regulation, water-stop maintenance filter. However, the water inlet hole of the filter tank is generally a concrete building, and how to ensure the sealing performance between the gate plate and the concrete building and how to avoid the friction and the abrasion under the long-time operation are not related in the prior art.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide a long service life, operation are more stable, the better water supply plant filtering pond water intake system of sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A water inlet system of a filter tank of a waterworks comprises a water inlet main channel and a water inlet distribution tank which are communicated with each other, wherein an overflow weir is arranged in the water inlet distribution tank; filtered water enters from the water inlet main channel and then enters the filter tank after flowing through the water inlet distribution tank; only one water inlet is formed between the water inlet main channel and the overflow groove, and a pneumatic gate valve is arranged corresponding to the water inlet; the water inlet is provided with a sealing guide frame with an opening at the top, the sealing guide frame comprises a sealing frame matched with the water inlet and a guide frame formed at the top of the sealing frame, and the gate plate of the pneumatic gate valve is plugged and sealed with the sealing guide frame.
More preferably, the shutter is a metal plate.
More preferably, the sealing guide frame is a metal frame or a plastic frame.
More preferably, a sealing gasket is arranged in the sealing guide frame, and the sealing gasket is a rubber gasket.
More preferably, the pneumatic gate valve further comprises an air cylinder for driving the gate plate to lift, and an air cylinder shaft of the air cylinder is connected with the gate plate through an air cylinder connecting sleeve and a hanging rod; one end of the air cylinder connecting sleeve is in threaded connection with the air cylinder shaft, the other end of the air cylinder connecting sleeve is in threaded connection with the end part of the suspender, and the suspender is welded and fixed with the flashboard or in threaded connection with the flashboard.
More preferably, the cylinder is a two-stroke cylinder.
More preferably, the suspension rod is a screw rod, and the screw rod is a stainless steel piece or a copper piece.
More preferably, the water inlet is a rectangular opening, and the length of the rectangular opening is 750-550 mm, and the height of the rectangular opening is 450-550 mm.
More preferably, an access hole is formed in the top of the main water inlet channel, and the size of the access hole 8 is 1000mm × 600 mm.
The utility model has the advantages that: the sealing guide frame is arranged at the water inlet, so that the sealing function between the water inlet and the flashboard is realized, and the sealing performance is better when water is shut off; and the operation guide rail of the gate plate is used, so that the lifting operation of the gate plate is more stable. Meanwhile, the flashboard is made of metal, so that the strength is high, a large-size water inlet can be used, and the service life is long.
Drawings
Fig. 1 is a schematic structural view of a water inlet system of a filter tank of a waterworks according to the present invention.
Fig. 2 is a schematic view showing the fitting of the shutter seal guide frame.
Fig. 3 is a schematic view of a lifting driving structure of the shutter.
Description of reference numerals:
1: main water inlet channel, 2: water inlet distribution groove, 3: overflow weir, 4: a filter tank, 5: water inlet, 6: pneumatic gate valve, 6-1: shutter, 6-2: cylinder, 6-3: cylinder connecting sleeve, 6-4: a boom, 7: sealing guide frame, 7-1: sealing frame, 7-2: guide frame, 8: and (6) an access hole.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1 and 2, a filter tank water inlet system of a waterworks comprises a main water inlet channel 1 and a water inlet distribution tank 2 which are communicated with each other, wherein an overflow weir 3 is arranged in the water inlet distribution tank; filtered water enters from the water inlet main channel 1, then flows through the water inlet distribution groove 3 and enters the filter tank 4; only one water inlet 5 is arranged between the main water inlet channel 1 and the overflow groove 2, and a pneumatic gate valve 6 is arranged corresponding to the water inlet 5; the water inlet structure is characterized in that a sealing guide frame 7 with an opening at the top is further arranged corresponding to the water inlet 5, the sealing guide frame 7 comprises a sealing frame 7-1 matched with the water inlet 5 and a guide frame 7-2 formed at the top of the sealing frame 7-1, and the flashboard 6-1 of the pneumatic flashboard valve 6 is plugged and sealed with the sealing guide frame 7.
In this embodiment, the gate plate 6-1 and the sealing guide frame 7 are both stainless steel members, so that the gate plate is high in strength, long in service life and not prone to corrosion. The sealing guide frame 7 plays a role in sealing the flashboard 6-1 and also serves as a running guide rail of the flashboard 6-1, and the stability of the lifting operation of the flashboard 6-1 is improved. In other embodiments, the gate plate 6-1 is a copper plate or other metal plate coated with a corrosion-resistant layer, and the sealing guide frame 7 may be made of plastic, copper, aluminum alloy or other material that is not easily corroded, and is not limited to this embodiment.
In particular, in order to ensure a sufficiently excellent sealing effect between the shutter 6-1 and the seal guide frame 7, it is preferable that a gasket be further provided in the seal guide frame 7. The sealing gasket is preferably a rubber gasket, such as ethylene propylene diene monomer rubber or the like.
Referring to fig. 3, the pneumatic gate valve 6 further includes an air cylinder 6-2 for driving the gate plate 6-1 to ascend and descend, a cylinder shaft of the air cylinder 6-2 is connected to the gate plate 6-1 through an air cylinder connecting sleeve 6-3 and a hanger rod 6-4, one end of the air cylinder connecting sleeve 6-3 is in threaded connection with the cylinder shaft, the other end of the air cylinder connecting sleeve 6-3 is in threaded connection with an end of the hanger rod 6-4, and the hanger rod 6-4 is welded and fixed to or in threaded connection with the gate plate 6-1. The connecting mode has the advantages that the cylinder 6-2 and the flashboard 6-1 can be conveniently disassembled, and the installation and maintenance are facilitated.
In the embodiment, the cylinder 6-2 is preferably a double-stroke cylinder, so that the stroke of the shutter 6-1 can be adjusted according to different water inflow requirements. Preferably, the suspender 6-4 is a stainless steel threaded rod, so that the suspender has good corrosion resistance and is convenient to realize the connection and fixation between the suspender 6-4 and the cylinder shaft and the gate plate 6-1. Particularly, when the suspender 6-4 is in threaded connection with the gate plate 6-1, the installation height of the gate plate 6-1 can be conveniently adjusted according to the requirement.
Further, in order to better meet the water inlet requirement of the filter, preferably, the water inlet 5 is a rectangular opening, and the length of the rectangular opening is 750-1000mm, and the height is 450-550 mm. In this embodiment, the length and height of the water inlet 5 is 750mm × 530 mm; in other embodiments, the length and height of the water inlet 5 is 900mm × 450mm according to different actual needs; the present embodiment is not limited.
Furthermore, for the convenience of maintenance, a maintenance opening 8 is preferably formed at the top of the main water inlet channel 1. In this embodiment, the size of the access opening 8 is preferably 1000mm × 600mm, so that a maintenance worker can carry a corresponding auxiliary tool down during installation and maintenance.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (9)
1. A water inlet system of a filter tank of a waterworks comprises a water inlet main channel and a water inlet distribution tank which are communicated with each other, wherein an overflow weir is arranged in the water inlet distribution tank; filtered water enters from the water inlet main channel and then enters the filter tank after flowing through the water inlet distribution tank; only one water inlet is formed between the main water inlet channel and the overflow weir, and a pneumatic gate valve is arranged corresponding to the water inlet; the water inlet is provided with a sealing guide frame with an opening at the top, the sealing guide frame comprises a sealing frame matched with the water inlet and a guide frame formed at the top of the sealing frame, and the gate plate of the pneumatic gate valve is plugged and sealed with the sealing guide frame.
2. A waterworks filter feed system according to claim 1, wherein said shutter is a metal plate.
3. A waterworks filter feed system according to claim 1, wherein the sealing guide frame is a metal frame or a plastic frame.
4. A filter tank water inlet system of a tap water plant according to claim 1, wherein a sealing gasket is arranged in the sealing guide frame, and the sealing gasket is a rubber gasket.
5. A filter water inlet system of a tap water plant according to claim 1, wherein the pneumatic gate valve further comprises a cylinder for driving the gate to ascend and descend, and a cylinder shaft of the cylinder is connected with the gate through a cylinder connecting sleeve and a suspender; one end of the air cylinder connecting sleeve is in threaded connection with the air cylinder shaft, the other end of the air cylinder connecting sleeve is in threaded connection with the end part of the suspender, and the suspender is welded and fixed with the flashboard or in threaded connection with the flashboard.
6. A filter inlet system according to claim 5, wherein said cylinder is a two-stroke cylinder.
7. A filter inlet system according to claim 5, wherein said hanger rod is a screw rod, and said screw rod is a stainless steel member or a copper member.
8. The water supply plant filter inlet system as recited in claim 1, wherein the inlet is a rectangular opening, the length of the rectangular opening is 750-550 mm, and the height of the rectangular opening is 450-550 mm.
9. A filter tank water inlet system of a tap water plant according to claim 1, wherein a service hole is opened at the top of the water inlet main channel, and the size of the service hole (8) is 1000mm x 600 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328117.2U CN215161075U (en) | 2020-12-31 | 2020-12-31 | Water inlet system of filter tank of waterworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328117.2U CN215161075U (en) | 2020-12-31 | 2020-12-31 | Water inlet system of filter tank of waterworks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161075U true CN215161075U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023328117.2U Active CN215161075U (en) | 2020-12-31 | 2020-12-31 | Water inlet system of filter tank of waterworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161075U (en) |
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2020
- 2020-12-31 CN CN202023328117.2U patent/CN215161075U/en active Active
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