CN109796076A - The adjustable weir plate of arc for deep-bed filter - Google Patents
The adjustable weir plate of arc for deep-bed filter Download PDFInfo
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- CN109796076A CN109796076A CN201910038788.8A CN201910038788A CN109796076A CN 109796076 A CN109796076 A CN 109796076A CN 201910038788 A CN201910038788 A CN 201910038788A CN 109796076 A CN109796076 A CN 109796076A
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- weir plate
- retaining section
- adjustable weir
- arc
- cambered surface
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Abstract
The present invention 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 retaining section protrudes from the connection plane adjacent to the end of 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 invention, 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 present invention relates to water-treatment technology field, in particular to a kind of arc for deep-bed filter 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.
As shown in Figure 1, existing deep-bed filter weir plate uses rectangle thin-wall weir 9, because being afraid of sewage long-term corrosion, weir plate material
Use stainless steel.
But existing relatively thin using the weir crest of rectangle thin-wall weir, weir crest is on the flowing of water without influence.As shown in Fig. 2, water body is logical
It crosses after weir crest and directly falls at water curtain type in pool inner water face 8, so that drop oxygenation be caused to increase oxygen content of water.In addition directly
Fall and also increases noise；And denitrification deep-bed filter operating status requires water body to be in anaerobic condition, falls and fills high dissolution
Oxygen is unfavorable for denitrification progress, while can consume excessive carbon source, causes economic waste.
Summary of the invention
The object of the present invention is to provide a kind of arcs that can reduce Dissolved Oxygen in Water and noise for deep-bed filter can
Weir transfer plate.
In order to achieve the above objectives, the present invention provides a kind of adjustable weir plates of the arc for deep-bed filter comprising water conservancy diversion
Portion and retaining section, the diversion division have opposite connection plane and water conservancy diversion cambered surface；The retaining section is connected to the diversion division
Top, the retaining section protrudes 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 be smoothly connected with the water conservancy diversion cambered surface, the bottom
Fixed pan and the connection plane smooth connect.
The adjustable weir plate of arc as described above, wherein the bottom fixed pan is connected far from the end face of the diversion division
There is fixed part, 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 height of the fixed part is less than the height of the retaining section.
The adjustable weir plate of arc as described above, wherein the fixed part is an integral structure with the retaining section.
The adjustable weir plate of arc as described above, wherein the ratio of the height of the width of the retaining section and the retaining section
Greater than 0.6, and it is less than 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 bottom fixed pan, which is connected with, to connect with canal wall
Accurate adjustment 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, advantages of the present invention is as follows:
The adjustable weir plate of arc provided by the invention, when in use, the top guide cambered surface being smoothly connected by being located at outside
Guiding role is played in face of water flow with water conservancy diversion arcs, so that water flow can be flowed slowly into finally in pond, so as to avoid a large amount of drops
Caused by dissolved oxygen rise, while also avoiding the increase of noise；It is used cooperatively by coarse adjustment bolt and accurate adjustment bolt, adjustment essence
Degree 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 can
Using Mold Making, machining accuracy is high, and weir face arc can need to make according to installation completely, 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
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural schematic diagram for the rectangle thin-wall weir that the prior art uses；
Fig. 2 is the use state diagram of rectangle thin-wall weir shown in FIG. 1；
Fig. 3 is the structural schematic diagram of the adjustable weir plate of arc of the invention；
Fig. 4 is the use state diagram of the adjustable weir plate of arc shown in Fig. 1；
Fig. 5 is the partial enlargement structural representation of Fig. 4.
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；8 pool inner water faces；9, square
Shape sharp-crested weir.
Specific embodiment
In order to have clearer understanding to technical solution of the present invention, purpose and effect, now in conjunction with the Detailed description of the invention present invention
Specific embodiment.
As shown in Fig. 3, Fig. 4 and Fig. 5, the present invention 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 guiding function to water flow, the neighbouring connection plane 11 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 the canal wall 7 of deep-bed filter, diversion division 1 is connected to the canal of deep-bed filter
The lateral surface of wall 7, so that the adjustable weir plate of arc is seated on canal wall 7, rather than simple side wall is fixedly mounted, wherein deep-bed filter
Specific structure be the prior art, details are not described herein.The top guide cambered surface 22 and water conservancy diversion cambered surface 12 being smoothly connected, so that weir
Face radian can be essentially coincided with the lower edge of canal wall 7, moved so that water flow be allow to be bonded weir surface current, then depended on pool wall along weir face
Formed attached jet, because water flow itself viscous force and with the frictional resistance of pool wall, water flow can be flowed slowly into finally in pond, to avoid
A large amount of drops and caused by dissolved oxygen rise, while also avoiding the increase of noise.
Provided by the present invention for the adjustable weir plate of arc of deep-bed filter, when in use, by being smoothly connected positioned at outside
Top guide cambered surface 22 and water conservancy diversion cambered surface 12 guiding role is played to water flow so that water flow can be flowed slowly into finally in pond, from
And avoid a large amount of drops and caused by dissolved oxygen rise, while also avoiding the increase of noise.
In a preferred embodiment of the invention, as shown in Figure 3 and Figure 4, for the ease of retaining section 2 and canal wall 7
Between connection, in bottom, the end face of the separate diversion division 1 of fixed pan 21 is connected with fixed part 3, and fixed part 3 is equipped with and is used for
The fixing bolt 4 connecting with canal wall 7, fixing bolt 4 are stainless steel material expansion bolt, are rotatably connected in canal wall 7 by fixing bolt 4
Top surface so that fixed part 3 is connected on canal wall 7, so that the retaining section 2 to connect with fixed part 3 to be connected to the top of canal wall 7
Face, and enable and connect the lateral surface that plane 11 fits in canal wall, so that water flow can be led at the top being smoothly connected
Under to the guide functions of cambered surface 22 and water conservancy diversion cambered surface 12, the lateral surface of fitting canal wall is flowed in pond.
Further, in order to not influence the barrier effect of retaining section 2, and the weight of the adjustable weir plate of arc is reduced, fixed part 3
Height is less than the height of retaining section 2, and such structure can make fixed part 3 not and influence retaining section 2 to the barrier effect of water flow,
The connection between fixing bolt 4 and canal wall 7 can be made simple and convenient again, moreover it is possible to reduce the adjustable weir plate of arc to a certain extent
Overall weight, so that the simpler convenience of installation of the adjustable weir plate of arc.
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, and can be avoided water flow from admittedly
The gap for determining portion 3 and 2 joint of retaining section is flowed out, and is led to water flow erosion fixed part 3 and 2 junction of retaining section, is caused fixed part 3
The reliability that fixed part 3 is connect with retaining section 2 is effectively guaranteed in the case where connection with retaining section 2 loosens.
In one embodiment of the invention, the ratio of the height of the width of retaining section 2 and retaining section 2 be greater than 0.6, and
Less than or equal to 2.5, such size enables retaining section 2 to have an impact water flow, also, top guide cambered surface 22 can
With by careful design, (specific calculate can refer to U.S. WES canonical profile weir or Kriegel-Ao Feicai love section weir
Deng) so that can be bonded weir surface current dynamic for water flow, avoid a large amount of drops and caused by dissolved oxygen rise, while also avoiding
The increase of noise.
As shown in Fig. 2, after sewage enters water inlet and anti-drainage ditch, it is uniform by the rectangle thin-wall weir 9 of existing deep-bed filter
It is distributed in pond, to guarantee that water distribution is uniform, needs to guarantee that the weir crest level height of whole rectangle thin-wall weir 9 is consistent, therefore existing square
Shape sharp-crested weir 9 realizes height adjustment by Lengthened bolt slot, and weir plate is larger for stainless steel material weight itself, while mounting means
For side wall installation, the fixed weir plate of lashing force of bolt is fully relied on, so bolt quantity is more, adjustment is complicated, when running one section
Between after often because water flow is to the percussion of weir plate, and make bolt looseness, cause weir plate height different, influence water distribution uniformity.
To solve the above-mentioned problems, in one embodiment of the invention, as shown in Figure 4 and Figure 5, connect on diversion division 1
It is connected to the coarse adjustment bolt 5 that can connect with canal wall 7, coarse adjustment bolt 5 uses stainless steel material expansion bolt, and coarse adjustment bolt 5 can be preliminary
Adjust the adjustable weir plate of arc levelness, make multiple arcs arranged side by side can weir transfer height it is almost the same, reduce to uniform
The influence of water distribution.
Further, the bottom surface of bottom fixed pan 21 is connected with the accurate adjustment bolt 6 that can connect with canal wall 7, and accurate adjustment bolt 6 is inlayed
In weir plate, accurate adjustment bolt 6 is fixed screw rod, adjusts the levelness of weir plate, accurately by accurate adjustment bolt 6 to be effectively ensured
Multiple arcs arranged side by side can weir transfer height it is almost the same, to will not influence the water distribution uniformity of the adjustable weir plate of arc.
In one embodiment of the invention, as shown in figure 3, for the ease of the adjacent adjustable weir plate of two arcs connection,
It 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 lead to
The mating connection for crossing public slot and female groove 23 is integral, so that the connection letter between the adjustable weir plate of multiple arcs arranged side by side
Folk prescription just, and can be further ensured that multiple arcs arranged side by side can weir transfer height it is almost the same.
In one embodiment of the invention, diversion division 1 is an integral structure with retaining section 2, is led in this way, both strengthening
Bonding strength between stream portion 1 and retaining section 2, and the adjustable weir plate of arc of the invention is made to be integral structure, avoid water
It flows and is leaked at the gap between diversion division 1 and retaining section 2, the junction between erosion diversion division 1 and retaining section 2 causes to lead
The connection of stream portion 1 and retaining section 2 loosens, from effectively ensuring the reliability connected between diversion division 1 and retaining section 2.
In one embodiment of the invention, the adjustable weir plate of arc is made of plastics, and makes arc using plastic material
Weir can be very good to guarantee the machining accuracy of weir plate, and accurate weir face radian can be essentially coincided with sharp-crested weir overflow lower edge, thus
Water flow is set to be bonded weir surface current dynamic, also, compared with the prior art uses the rectangle thin-wall weir of stainless steel material, plastics are made
The cost of arc is adjustable weir plate is lower, and lighter in weight easily facilitates installation and dismounting and change.
The installation process of the adjustable weir plate of arc provided by the invention is illustrated with reference to the accompanying drawing:
As shown in Figure 4 and Figure 5, 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 arc provided by the invention, when in use, the top being smoothly connected by being located at outside
Curved guiding 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 big
Amount drop and caused by dissolved oxygen rise, while also avoiding the increase of noise；
Arc of the invention is adjustable weir plate, is made, light weight facilitates in-site installation, and plastic material of 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；
Arc of the invention is adjustable weir plate, is used cooperatively by coarse adjustment bolt and accurate adjustment bolt, and Adjustment precision is high, installation essence
Really, using effect is good.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.And it should be noted that each component part of the invention is not limited in above-mentioned entirety
Using each technical characteristic described in specification of the invention can select one individually to use or select according to actual needs
The multinomial use that combines, therefore, the present invention cover other combine and specific related with this case inventive point in the nature of things
Using.
Claims (10)
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 adjacent to the end of the connection plane, and the retaining section has opposite bottom
Portion's 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 fixed
Plane and the connection plane smooth connect.
2. the adjustable weir plate of arc according to claim 1, which is characterized in that the bottom fixed pan is far from the water conservancy diversion
The end face in portion is connected with fixed part, and the fixed part is equipped with the fixing bolt for connecting with canal wall.
3. the adjustable weir plate of arc according to claim 2, which is characterized in that the height of the fixed part is less than the water blocking
The height in portion.
4. the adjustable weir plate of arc according to claim 2, which is characterized in that the fixed part is integrated with the retaining section
Formula structure.
5. the adjustable weir plate of arc according to claim 1, which is characterized in that the width of the retaining section and the retaining section
Height ratio be greater than 0.6, and be less than or equal to 2.5.
6. 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.
7. the adjustable weir plate of arc according to claim 6, which is characterized in that the bottom surface of the bottom fixed pan is connected with
The accurate adjustment bolt that can connect with canal wall.
8. 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.
9. 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.
10. the adjustable weir plate of arc according to any one of claim 1 to 9, 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 |
|---|---|---|---|
| CN201910038788.8A CN109796076B (en) | 2019-01-16 | 2019-01-16 | Arc-shaped adjustable weir plate for deep bed filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038788.8A CN109796076B (en) | 2019-01-16 | 2019-01-16 | Arc-shaped adjustable weir plate for deep bed filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109796076A true CN109796076A (en) | 2019-05-24 |
| CN109796076B CN109796076B (en) | 2022-07-26 |
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ID=66559434
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910038788.8A Active CN109796076B (en) | 2019-01-16 | 2019-01-16 | Arc-shaped adjustable weir plate for deep bed filter |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156155A (en) * | 2019-06-18 | 2019-08-23 | 北京城市排水集团有限责任公司 | One kind is for preventing drop oxygenation device and its application method |
| CN111254869A (en) * | 2020-01-21 | 2020-06-09 | 上海海洋大学 | Surface flow experiment system based on double-zone overflow |
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| CN103372336A (en) * | 2013-07-22 | 2013-10-30 | 居国文 | Two-stage water inlet weir plate |
| CN204298144U (en) * | 2014-12-16 | 2015-04-29 | 天津诚信环球节能环保科技有限公司 | A kind of weir, rearmounted denitrogenation biological filter arc top |
| CN204958517U (en) * | 2015-08-03 | 2016-01-13 | 上海奥迪菲环境工程有限公司 | Dark bed filtering pond of denitrification of permanent water level and integration of change water level |
| CN108996678A (en) * | 2018-07-06 | 2018-12-14 | 中持水务股份有限公司 | A kind of wastewater treatment facility overcurrent drop falls the oxygen device that disappears |
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2019
- 2019-01-16 CN CN201910038788.8A patent/CN109796076B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372336A (en) * | 2013-07-22 | 2013-10-30 | 居国文 | Two-stage water inlet weir plate |
| CN204298144U (en) * | 2014-12-16 | 2015-04-29 | 天津诚信环球节能环保科技有限公司 | A kind of weir, rearmounted denitrogenation biological filter arc top |
| CN204958517U (en) * | 2015-08-03 | 2016-01-13 | 上海奥迪菲环境工程有限公司 | Dark bed filtering pond of denitrification of permanent water level and integration of change water level |
| CN108996678A (en) * | 2018-07-06 | 2018-12-14 | 中持水务股份有限公司 | A kind of wastewater treatment facility overcurrent drop falls the oxygen device that disappears |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156155A (en) * | 2019-06-18 | 2019-08-23 | 北京城市排水集团有限责任公司 | One kind is for preventing drop oxygenation device and its application method |
| CN110156155B (en) * | 2019-06-18 | 2024-05-31 | 北京城市排水集团有限责任公司 | Device for preventing water fall from oxygenating and application method thereof |
| CN111254869A (en) * | 2020-01-21 | 2020-06-09 | 上海海洋大学 | Surface flow experiment system based on double-zone overflow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109796076B (en) | 2022-07-26 |
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