CN209721699U - A kind of arc for deep-bed filter is adjustable weir plate - Google Patents
A kind of arc for deep-bed filter is adjustable weir plate Download PDFInfo
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- CN209721699U CN209721699U CN201920068086.XU CN201920068086U CN209721699U CN 209721699 U CN209721699 U CN 209721699U CN 201920068086 U CN201920068086 U CN 201920068086U CN 209721699 U CN209721699 U CN 209721699U
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- Prior art keywords
- weir plate
- retaining section
- arc
- adjustable weir
- cambered surface
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Abstract
The utility model provides a kind of adjustable weir plate of the arc for deep-bed filter comprising diversion division and retaining section, the diversion division have opposite connection plane and water conservancy diversion cambered surface；The retaining section is connected to the top of the diversion division, the end that the connection plane is closed in the retaining section protrudes from the connection plane, the retaining section has opposite bottom fixed pan and top guide cambered surface, the top guide cambered surface is smoothly connected with the water conservancy diversion cambered surface, and the bottom fixed pan and the connection plane smooth connect.The adjustable weir plate of arc provided by the utility model, when in use, guiding role is played in face of water flow by being located at top guide cambered surface and water conservancy diversion arcs that outside is smoothly connected, so that water flow can be flowed slowly into finally in pond, dissolved oxygen caused by so as to avoid a large amount of drops rises, while also avoiding the increase of noise.
Description
Technical field
The utility model relates to water-treatment technology field, in particular to it is a kind of for deep-bed filter for deep-bed filter
Arc is adjustable weir plate.
Background technique
Currently, deep-bed filter is because its is powerful (such as can denitrogenation dephosphorizing, reduce suspended matter), operational effect is stablized, and
More and more it is used in advanced treatment of wastewater engineering project.It needs that weir plate is arranged on the irrigation channel of deep-bed filter, thus
Make uniformly to be distributed into water and enter in filter tank or the uniform discharge filter tank of backwash draining.
Existing deep-bed filter weir plate uses rectangle thin-wall weir, and because being afraid of sewage long-term corrosion, weir plate material uses stainless
Steel.
But the weir crest of the existing weir plate used is relatively thin, and on the flowing of water without influence, water body passes through after weir crest into cascade weir crest
Formula is directly fallen in pool inner water face, so that drop oxygenation be caused to increase oxygen content of water；In addition directly fall to also increase and make an uproar
Sound；And denitrification deep-bed filter operating status requires water body to be in anaerobic condition, falls and fills high dissolved oxygen and be unfavorable for denitrification
It carries out, while excessive carbon source can be consumed, cause economic waste.
Utility model content
The purpose of the utility model is to provide a kind of arcs that can reduce Dissolved Oxygen in Water and noise for deep-bed filter
Shape is adjustable weir plate.
A kind of in order to achieve the above object, the utility model provides the adjustable weir plate of arc for deep-bed filter comprising
Diversion division and retaining section, the diversion division have opposite connection plane and water conservancy diversion cambered surface；The retaining section is connected to described lead
The top in stream portion, the retaining section protrude from the connection plane adjacent to the end of the connection plane, and the retaining section has
Opposite bottom fixed pan and top guide cambered surface, the top guide cambered surface is smoothly connected with the water conservancy diversion cambered surface, described
Bottom fixed pan and the connection plane smooth connect, and the height of the fixed part is less than the height of the retaining section, as above
The arc is adjustable weir plate, the fixed part are an integral structure with the retaining section.
The adjustable weir plate of arc as described above, wherein the fixed pan is connected with solid far from the end face of the diversion division
Determine portion, the fixed part is equipped with the fixing bolt for connecting with canal wall.
The adjustable weir plate of arc as described above, wherein the width of the retaining section and the ratio of height are greater than 0.6, and small
In or equal to 2.5.
The adjustable weir plate of arc as described above, wherein the coarse adjustment bolt that can connect with canal wall is connected on the diversion division.
The adjustable weir plate of arc as described above, wherein the bottom surface of the fixed pan is connected with the essence that can connect with canal wall
Adjust bolt.
The adjustable weir plate of arc as described above, wherein the two sides of the retaining section are respectively equipped with public slot and female groove.
The adjustable weir plate of arc as described above, wherein the diversion division is an integral structure with the retaining section.
The adjustable weir plate of arc as described above, wherein the adjustable weir plate of arc is made of plastics.
Compared with prior art, at least as follows the advantages of the utility model:
The adjustable weir plate of arc provided by the utility model, when in use, the top guide being smoothly connected by being located at outside
Cambered surface and water conservancy diversion arcs face water flow and play guiding role, so that water flow can be flowed slowly into finally in pond, so as to avoid largely falling
Water and caused by dissolved oxygen rise, while also avoiding the increase of noise；It is used cooperatively, is adjusted by coarse adjustment bolt and accurate adjustment bolt
Whole precision is high, and installation is accurate, and using effect is good；It is made of plastic material, light weight facilitates in-site installation, and plastic material
Mold Making can be used, machining accuracy is high, and weir face arc can be installed completely to be needed to make, and precision is easily guaranteed that after installation, this
Outside, plastic material itself is cheap, and cost is greatly decreased compared with stainless steel material.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the adjustable weir plate of arc of the utility model；
Fig. 2 is the using state structure diagram of the adjustable weir plate of arc shown in Fig. 1.
Drawing reference numeral explanation:
1, diversion division；11, plane is connected；12, water conservancy diversion cambered surface；2, retaining section；21, bottom fixed pan；22, top guide
Cambered surface；23, female groove；3, fixed part；4, fixing bolt；5, coarse adjustment bolt；6, accurate adjustment bolt；7, Qu Bi.
Specific embodiment
In order to have clearer understanding to the technical solution of the utility model, purpose and effect, now in conjunction with Detailed description of the invention sheet
The specific embodiment of utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of adjustable weir plate of the arc for deep-bed filter comprising leads
Stream portion 1 and retaining section 2, wherein diversion division 1 has opposite connection plane 11 and water conservancy diversion cambered surface 12,11 energy of connection plane and canal
The lateral surface of wall 7 connects, and guide face can guide water flow to the lateral surface of canal wall 7, so that water flow is flowed along canal wall 7；Water blocking
Portion 2 is connected to the top surface of diversion division 1, and retaining section 2 can play barrier effect to water flow, and connection plane 11 is closed in retaining section 2
End protrudes from connection plane 11, and retaining section 2 has opposite bottom fixed pan 21 and top guide cambered surface 22, and bottom is fixed
Plane 21 can connect with the top surface of canal wall 7, and top guide cambered surface 22 can play guiding role, top guide cambered surface 22 to water flow
It is smoothly connected with water conservancy diversion cambered surface 12, bottom fixed pan 21 is smoothly connected with plane 11 is connect, i.e. diversion division 1 and retaining section 2
Junction is to be smoothly connected, and will not generate dead angle, so that water flow being capable of arcuately adjustable weir plate flowing.
In use, retaining section 2 to be connected to the top surface of canal wall 7, diversion division 1 is connected to the lateral surface of canal wall 7, so that arc
Adjustable weir plate is seated on canal wall 7, rather than simple side wall is fixedly mounted, the top guide cambered surface 22 and water conservancy diversion cambered surface being smoothly connected
12, weir face radian and the lower edge of canal wall 7 are essentially coincided, moved so that water flow be allow to be bonded weir surface current, then along weir face
Depend on pool wall and form attached jet, because water flow itself viscous force and with the frictional resistance of pool wall, water flow can finally flow slowly into pond
It is interior, so as to avoid a large amount of drops caused by dissolved oxygen rise, while also avoiding the increase of noise.
The adjustable weir plate of arc provided by the utility model, when in use, the top guide being smoothly connected by being located at outside
Cambered surface 22 and water conservancy diversion cambered surface 12 play guiding role to water flow, so that water flow can be flowed slowly into finally in pond, so as to avoid big
Amount drop and caused by dissolved oxygen rise, while also avoiding the increase of noise.
In a kind of preferred embodiment of the utility model, as shown in Figure 1, for the ease of retaining section 2 and canal wall 7 it
Between connection, be connected with fixed part 3 in the end face of the separate diversion division 1 of fixed pan, fixed part 3 be equipped with for canal wall 7
The fixing bolt 4 of connection, 4 stainless steel material expansion bolt of fixing bolt, the top surface of canal wall 7 is rotatably connected in by fixing bolt 4, is made
It obtains fixed part 3 to be connected on canal wall 7, so that the retaining section 2 that connects with fixed part 3 to be connected to the top surface of canal wall 7.
Further, in order to not influence the barrier effect of retaining section 2, the height of fixed part 3 is less than the height of retaining section 2, this
The structure of sample, which can make fixed part 3 not, to be influenced retaining section 2 to the barrier effect of water flow and makes fixing bolt 4 and canal wall 7
Between connection it is simple and convenient.
Further, for the ease of the connection between fixed part 3 and retaining section 2, fixed part 3 is set and is integrated with retaining section 2
Formula structure, such structure can also reinforce the bonding strength between fixed part 3 and retaining section 2.
In a kind of embodiment of the utility model, the width of retaining section 2 and the ratio of height are greater than 0.6, and are less than
Or be equal to 2.5, it is such be dimensioned such that retaining section 2 has an impact water flow, also, top guide cambered surface 22 can pass through
Careful design (specific calculate can refer to U.S. WES canonical profile weir or Kriegel-Ao Feicai love section weir etc.), to make
Water flow can be bonded weir surface current dynamic, avoid a large amount of drops and caused by dissolved oxygen rise, while also avoiding the increasing of noise
Add.
After sewage enters water inlet and anti-drainage ditch, it is uniformly distributed in pond by the rectangle thin-wall weir of existing deep-bed filter,
To guarantee that water distribution is uniform, need to guarantee that whole weir plate weir crest level height is consistent, therefore existing weir plate is realized by Lengthened bolt slot
Height adjustment, weir plate are that stainless steel material weight itself is larger, while mounting means is side wall installation, fully relies on the torsion of bolt
Clamp force fixes weir plate, so bolt quantity is more, adjustment is complicated, often because of impact of the water flow to weir plate after operation a period of time
Effect, and make bolt looseness, it causes weir plate height different, influences water distribution uniformity.
To solve the above-mentioned problems, in a kind of embodiment of the utility model, as shown in Figure 1, being connected on diversion division 1
There is the coarse adjustment bolt 5 that can connect with canal wall 7, coarse adjustment bolt 5 uses stainless steel material expansion bolt, and preliminary adjusting arc can weir transfer
The levelness of plate, make multiple arcs can weir transfer height it is almost the same, reduce influence to water distribution uniformity.
Further, the bottom surface of fixed pan is connected with the accurate adjustment bolt 6 that can connect with canal wall 7, and accurate adjustment bolt 6 is embedded in weir
In plate, screw rod be it is fixed, by accurate adjustment bolt 6 accurately adjustment weir plate levelness, can weir transfer multiple arcs are effectively ensured
Height it is almost the same, to will not influence water distribution uniformity.
In a kind of embodiment of the utility model, as shown in Figure 1, for the ease of the company of the adjacent adjustable weir plate of two arcs
It connects, is respectively equipped with public slot (not shown) and female groove 23 in the two sides of retaining section 2, the adjacent adjustable weir plate of two arcs can
Mating connection by public slot and female groove 23 is integral.
In a kind of embodiment of the utility model, diversion division 1 is an integral structure with retaining section 2, in this way, both reinforcing
Bonding strength between diversion division 1 and retaining section 2, and make the adjustable weir plate of the arc of the utility model to be integral structure,
Water flow is avoided to leak at the gap between diversion division 1 and retaining section 2.
In a kind of embodiment of the utility model, the adjustable weir plate of arc is made of plastics, and uses plastic material
Production curved weir can be very good to guarantee the machining accuracy of weir plate, and accurate weir face radian can weigh substantially with sharp-crested weir overflow lower edge
It closes, so that it is dynamic so that water flow is bonded weir surface current.
The installation process of the adjustable weir plate of arc provided by the utility model is illustrated with reference to the accompanying drawing:
As depicted in figs. 1 and 2, several pieces of adjustable weir plates of arc are passed through public slot first to connect with the cooperation socket joint of female groove 23
It is good, entirety is formed, pond body installation length requirement is met；
Then it according to the position of accurate adjustment bolt 6, drills on concrete canal wall 7, it is long that eyelet depth is longer than accurate adjustment bolt 6
Degree；
The adjustable weir plate of arc is placed on canal wall 7, is inserted into accurate adjustment bolt 6 in pre-drilled hole；
Coarse adjustment bolt 5 is punched and is installed, and the tentatively fixed adjustable weir plate of arc；
Accurate adjustment bolt 6 is adjusted, there are nuts on accurate adjustment bolt 6, and the adjustable weir plate of arc can be realized by rotary nut
It is accurate to adjust；
After the completion of accurate adjustment, the gap between the adjustable weir plate of arc and canal wall 7 is filled using grouting material, after grouting material initial set
The adjustable weir plate of arc is finally fixed with fixing bolt 4, the installation of the adjustable weir plate of arc can be completed.
In conclusion the adjustable weir plate of the arc of the utility model, is made of plastic material, light weight facilitates live peace
Dress, and plastic material can use Mold Making, and machining accuracy is high, and weir face arc can be installed completely to be needed to make, after installation
Precision is easily guaranteed that, in addition, plastic material itself is cheap, cost is greatly decreased compared with stainless steel material；
The arc of the utility model is adjustable weir plate, is used cooperatively by coarse adjustment bolt and accurate adjustment bolt, and Adjustment precision is high, peace
Dress is accurate, and using effect is good.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.And it should be noted that the utility model each component part
It is not limited in above-mentioned overall applicability, each technical characteristic described in the specification of the utility model can select according to actual needs
It selects one and individually uses or select the multinomial use that combines, therefore, the utility model covers and this case reality in the nature of things
With the related other combinations of novel point and concrete application.
Claims (7)
1. a kind of arc for deep-bed filter is adjustable weir plate, which is characterized in that the adjustable weir plate of arc include diversion division and
Retaining section, the diversion division have opposite connection plane and water conservancy diversion cambered surface；The retaining section is connected to the top of the diversion division
Portion, the retaining section protrude from the connection plane along the end of the neighbouring connection plane, and the retaining section has opposite
Bottom fixed pan and top guide cambered surface, the top guide cambered surface are smoothly connected with the water conservancy diversion cambered surface, and the bottom is solid
It allocates face and the connection plane smooth connects；
The fixed pan is connected with fixed part far from the end face of the diversion division, and the fixed part is equipped with for connecting with canal wall
The fixing bolt connect；
The height of the fixed part is less than the height of the retaining section；The fixed part is an integral structure with the retaining section.
2. the adjustable weir plate of arc according to claim 1, which is characterized in that the width of the retaining section and the ratio of height
Greater than 0.6, and it is less than or equal to 2.5.
3. the adjustable weir plate of arc according to claim 1, which is characterized in that being connected on the diversion division can be with canal wall phase
The coarse adjustment bolt connect.
4. the adjustable weir plate of arc according to claim 3, which is characterized in that the bottom surface of the fixed pan is connected with can be with
The accurate adjustment bolt that canal wall connects.
5. the adjustable weir plate of arc according to claim 1, which is characterized in that the two sides of the retaining section are respectively equipped with public affairs
Slot and female groove.
6. the adjustable weir plate of arc according to claim 1, which is characterized in that the diversion division is integrated with the retaining section
Formula structure.
7. the adjustable weir plate of arc according to any one of claim 1 to 6, which is characterized in that the adjustable weir plate of arc
It is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068086.XU CN209721699U (en) | 2019-01-16 | 2019-01-16 | A kind of arc for deep-bed filter is adjustable weir plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068086.XU CN209721699U (en) | 2019-01-16 | 2019-01-16 | A kind of arc for deep-bed filter is adjustable weir plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209721699U true CN209721699U (en) | 2019-12-03 |
Family
ID=68679862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920068086.XU Active CN209721699U (en) | 2019-01-16 | 2019-01-16 | A kind of arc for deep-bed filter is adjustable weir plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209721699U (en) |
-
2019
- 2019-01-16 CN CN201920068086.XU patent/CN209721699U/en active Active
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