CN216778000U - Shallow layer precipitation separation device - Google Patents
Shallow layer precipitation separation device Download PDFInfo
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- CN216778000U CN216778000U CN202220149761.3U CN202220149761U CN216778000U CN 216778000 U CN216778000 U CN 216778000U CN 202220149761 U CN202220149761 U CN 202220149761U CN 216778000 U CN216778000 U CN 216778000U
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Abstract
The utility model discloses a shallow layer precipitation separation device which sequentially comprises a front sealing plate, a partition plate assembly and a rear sealing plate from front to back, wherein the partition plate assembly comprises a perforated vertical plate group and a herringbone inclined plate group, a plurality of perforated vertical plates are separated from front to back to form a plurality of cavities, the perforated vertical plate group comprises a shallow layer precipitation area and a precipitation area, a precipitation area is arranged between two adjacent shallow layer precipitation areas, the herringbone inclined plate unit is positioned in the shallow layer precipitation area, a sludge discharge hole which is communicated from front to back is formed in the perforated vertical plate, the upper surface of the herringbone inclined plate unit is flush with the lower line of the sludge discharge hole, and the herringbone inclined plate unit is obliquely arranged with the horizontal plane. When the sludge-water mixed liquid to be separated flows horizontally from a horizontal channel in a shallow layer settling zone, sludge vertically sinks to the upper surface of a lower herringbone inclined plate of the channel in the channel, when the sludge is enriched to a certain degree and slides downwards along the inclined plate by means of self gravity, the sludge is discharged into a sludge settling zone through sludge discharge holes in a perforated vertical plate in the shortest distance, and finally the sludge falls into a sludge hopper from a lower port of the sludge settling zone.
Description
Technical Field
The utility model relates to a shallow precipitation separation device, in particular to a shallow precipitation separation device with a good precipitation effect.
Background
A shallow layer sedimentation theory is proposed by Hazen, and an inclined plate (pipe) sedimentation tank is widely applied to a mud-water separation process section of domestic and foreign water treatment projects. The inclined plate (pipe) sedimentation tank is provided with: the three types of the counter-current flow, the same-direction flow and the lateral flow are adopted, wherein the counter-current inclined tube sedimentation tank is most widely applied. However, the sedimentation tank has the following problems:
1. the water flow moves in a reverse parallel manner with the movement direction of the sludge deposited on the surface of the inclined pipe, and the water flow pushes the sludge on the inclined pipe to slide into a sludge hopper, so that the inside of the inclined pipe is easily blocked by the sludge;
2. the water flow and the sludge deposited on the surface of the inclined tube are in the same space, and the water flow is easy to stir the sludge deposited on the surface of the inclined tube so as to lead the sludge to float again;
3. the length of the inclined pipe is about 1m, sludge deposited in the inclined pipe slides into the water inlet end (lower end) from the water outlet end (upper end) of the inclined pipe and then enters the sludge hopper, however, the sludge amount is gradually increased in the process that the sludge slides into the lower end from the upper end, the sectional area from the water outlet end (upper end) to the water inlet end (lower end) of the inclined pipe is gradually reduced in the process, the overflowing area of the water inlet end of the inclined pipe is reduced to the minimum, the water flow velocity is the highest, the influence of the water flow jacking sludge is the largest, and the process and the effect of separating the sludge from the inclined pipe and depositing the sludge are further influenced.
In summary, the above problems make the precipitation effect less than ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shallow precipitation separation device which has the characteristic of good precipitation effect.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a shallow layer precipitation separator which innovation point lies in: the shallow layer precipitation separation device sequentially comprises a front sealing plate, a partition plate assembly and a rear sealing plate from front to back, wherein the partition plate assembly comprises a perforated vertical plate group and a herringbone inclined plate group, the herringbone inclined plate group consists of a plurality of herringbone inclined plate units which are arranged in parallel, the perforated vertical plate group consists of a plurality of perforated vertical plates which are arranged in parallel and are vertically placed, the plurality of perforated vertical plates are separated from front to back to form a plurality of cavities, each cavity comprises a shallow layer precipitation area and a precipitation area, one precipitation area is arranged between every two adjacent shallow layer precipitation areas, the herringbone inclined plate units are located in the corresponding shallow layer precipitation areas, and the bottom of each shallow layer precipitation area is provided with a bottom channel sealing plate for sealing a lower opening of the shallow layer precipitation area; the perforated vertical plate is provided with a mud discharge hole which is communicated from front to back, the upper surface of the herringbone inclined plate unit is flush with the lower line of the mud discharge hole, and the herringbone inclined plate unit is obliquely arranged with the horizontal plane.
Preferably, the herringbone sloping plate units are arranged in an array mode through a plurality of herringbone sloping plates, a plurality of mud discharging holes are arranged on the perforated vertical plate in an array mode, the number of the mud discharging holes is equal to that of the herringbone sloping plates, and the upper surfaces of the herringbone sloping plates are flush with the lower lines of the corresponding mud discharging holes.
Preferably, the herringbone inclined plates are longitudinally spaced from the adjacent herringbone inclined plates by 30-150mm, and the height of the mud discharge holes is equal to 1/5-1/2 of the longitudinal spacing distance between the herringbone inclined plates and the adjacent herringbone inclined plates; the transverse length of the herringbone inclined plates arranged in an array is 1-3 m.
Preferably, the herringbone inclined plate is formed by splicing a first inclined plate and a second inclined plate, and an included angle between the first inclined plate and the second inclined plate is 30-75 degrees.
Preferably, an included angle between the first inclined plate and the second inclined plate is 60 °.
Preferably, the interval distance between the perforated vertical plate and the adjacent perforated vertical plate is 30-150 mm.
Preferably, a front standing area is formed between the front closing plate and the adjacent vertical perforated plate, and a rear standing area is formed between the rear closing plate and the adjacent vertical perforated plate.
Preferably, the perforated vertical plate group is respectively provided with a first reinforcing rib and a second reinforcing rib which are positioned at the top of the perforated vertical plate and at the bottom of the perforated vertical plate and are connected with the perforated vertical plates.
Preferably, the shallow sedimentation separation device is integrally installed in the sludge filtration and collection device, the sludge filtration and collection device comprises a sludge water treatment part for the sedimentation separation device to be placed in and a sludge collection part positioned below the sludge water treatment part, the sludge water treatment part comprises an upper shell, a water inlet arranged on the upper shell and positioned on the water inlet side of the upper shell, a first perforated rectifying plate arranged on the water inlet side of the upper shell, a second perforated rectifying plate arranged on the water outlet side of the upper shell, and a water outlet arranged on the upper shell and positioned on the water outlet side of the upper shell, and the shallow sedimentation separation device is positioned between the first perforated rectifying plate and the second perforated rectifying plate; the sludge collecting part is a funnel-shaped sludge hopper.
Preferably, a water collecting tank positioned at the position of the upper water outlet of the upper shell is arranged between the upper water outlet side of the upper shell and the second perforated rectifying plate, the top of the water collecting tank is higher than the height of the muddy water liquid level in the upper shell, a liquid discharging port which is positioned at the bottom of the water collecting tank and is communicated up and down is arranged on the water collecting tank, and the height of the liquid discharging port is lower than the height of the muddy water liquid level; the top of the shallow layer sedimentation separation device is higher than the height of the liquid level of the muddy water in the upper shell.
The utility model has the advantages that: through adopting above-mentioned structure, when the muddy water mixed liquid that treats the separation flows through from the horizontal channel level in the shallow layer settling zone, mud sinks perpendicularly in this passageway and descends to the lower herringbone swash plate upper surface of passageway, leans on self gravity to glide along the swash plate to a certain extent when mud enrichment, arranges into the mud area in the mud hole on the vertical board of perforation with the shortest distance. Because the front standing area and the rear standing area belong to the closed standing area, the sludge separated in the shallow settling area enters the sludge settling area to be subjected to standing settling without being interfered by the flow state of the main flow, and finally falls into a sludge hopper from the lower port of the sludge settling area.
The above measures have the following advantages:
(1) the water flow and the sludge deposited on the surface of the inclined pipe are in the vertical direction, so that the phenomenon that the pre-precipitated sludge in the channel of the shallow precipitation zone blocks the channel by being supported by the water flow is avoided;
(2) pre-precipitated sludge in the channel of the shallow precipitation zone quickly slides into the sludge precipitation zone through the sludge discharge hole, the main stream and the sludge do not belong to the same space, the sludge precipitation zone belongs to the standing zone, and the main stream has small interference on sludge separation;
(3) the distance (tens of millimeters) from the herringbone sloping plate to the sludge discharge port in the channel of the shallow settling zone is only one tenth of the distance (1 meter) from the upper port to the lower port of the inclined tube filler, and sludge can quickly slide down from the upper surface of the sloping plate and enters the sludge settling zone through the sludge discharge hole, so that the influence of the pre-settled sludge on the upper surface of the herringbone sloping plate in the channel on the flow cross section area of the horizontal channel is extremely small, and the flow speed and the settling effect in the channel are not influenced.
By adopting the measures and the scheme, the suspended matters can be timely and efficiently separated in the mud-water mixed liquid, and the precipitation efficiency is greatly improved.
Drawings
The utility model is described in further detail below with reference to the figures and the detailed description.
FIG. 1 is a schematic structural diagram of a shallow precipitation separation device according to the present invention.
FIG. 2 is a schematic view of a perforated vertical plate in a shallow precipitation separation apparatus according to the present invention.
FIG. 3 is a schematic diagram of a sedimentation structure of sludge particles in a superficial sedimentation zone and a sedimentation zone in the superficial sedimentation separation apparatus according to the present invention.
FIG. 4 is a schematic structural diagram of a sludge filtering and collecting device used in combination with a superficial sedimentation separator according to the present invention.
In the figure: 1-front closing plate, 2-rear closing plate, 3-herringbone tilting plate, 31-first tilting plate, 32-second tilting plate, 4-perforated vertical plate, 5-shallow layer settling zone, 6-settling zone, 7-bottom channel closing plate, 8-sludge discharge hole, 9-front standing zone, 10-rear standing zone, 11-first reinforcing rib, 12-second reinforcing rib, 13-upper shell, 14-water inlet, 15-first perforated rectifying plate, 16-second perforated rectifying plate, 17-water outlet, 18-sludge hopper, 19-water collecting tank and 20-liquid discharge port.
Detailed Description
The shallow layer sedimentation and separation device sequentially comprises a front sealing plate 1, a partition plate assembly and a rear sealing plate 2 from front to back, wherein the partition plate assembly comprises a perforated vertical plate group and a herringbone inclined plate group, the herringbone inclined plate group consists of a plurality of herringbone inclined plate units which are arranged in parallel, the perforated vertical plate group consists of a plurality of perforated vertical plates 4 which are arranged in parallel and are vertically arranged, the perforated vertical plates are separated from front to back to form a plurality of cavities, each cavity comprises a shallow layer sedimentation area 5 and a sedimentation area 6, a sedimentation area is arranged between every two adjacent shallow layer sedimentation areas, the herringbone inclined plate units are positioned in the corresponding shallow layer sedimentation areas, and the bottom of each shallow layer sedimentation area is provided with a bottom channel sealing plate 7 for sealing a lower opening of the shallow layer sedimentation area. The perforated vertical plate is provided with a mud discharge hole 8 which is communicated from front to back, the upper surface of the herringbone inclined plate unit is flush with the lower line of the mud discharge hole, and the herringbone inclined plate unit is obliquely arranged with the horizontal plane. Through adopting above-mentioned structure, when the muddy water mixed liquid that treats the separation flows through from the horizontal channel level in the shallow layer settling zone, mud sinks perpendicularly in this passageway and descends to the lower herringbone swash plate upper surface of passageway, leans on self gravity to glide along the swash plate to a certain extent when mud enrichment, arranges into the mud area in the mud hole on the vertical board of perforation with the shortest distance. Because the front standing area and the rear standing area belong to the closed standing area, the sludge separated in the shallow settling area enters the sludge settling area to be subjected to standing settling without being interfered by the flow state of the main flow, and finally falls into a sludge hopper from the lower port of the sludge settling area.
The herringbone inclined plate unit is formed by arraying a plurality of herringbone inclined plates 3, a plurality of mud discharge holes are arrayed in the perforated vertical plate, the number of the mud discharge holes is the same as that of the herringbone inclined plates, and the upper surfaces of the herringbone inclined plates are flush with the lower lines of the corresponding mud discharge holes. The herringbone inclined plates are longitudinally spaced from the adjacent herringbone inclined plates by 30-150mm, and the height of the sludge discharge holes is equal to 1/5-1/2 of the longitudinal spacing distance between the herringbone inclined plates and the adjacent herringbone inclined plates; the transverse length of the herringbone inclined plates arranged in an array is 1-3 m. The herringbone inclined plate is formed by splicing a first inclined plate and a second inclined plate, the included angle between the first inclined plate and the second inclined plate is 30-75 degrees, and the optimal included angle between the first inclined plate and the second inclined plate is 60 degrees.
The distance between the perforated vertical plate and the adjacent perforated vertical plate is 30-150 mm. A front standing zone 9 is formed between the front closing plate and the adjacent vertical perforated plate, and a rear standing zone 10 is formed between the rear closing plate and the adjacent vertical perforated plate. For the structural stability of reinforcing shallow layer precipitation separator, be provided with respectively on foretell perforation vertical plate group and be located perforation vertical plate top and perforation vertical plate bottom and connect the first strengthening rib 11 and the second strengthening rib 12 of a plurality of perforation vertical plates.
Foretell shallow layer sedimentation separator monolithic installation is in sludge filtration collection device, sludge filtration collection device is including supplying the muddy water treatment part that sedimentation separator put into and the sludge collection part that is located muddy water treatment part below, muddy water treatment part includes casing 13, the setting is located the water inlet 14 of the last casing side of intaking on last casing, go up the first rectifying plate 15 that perforates of the last casing side of intaking, the second rectifying plate 16 that perforates of the last casing side of intaking, the setting is located the delivery port 17 of the last casing side of intaking on last casing, shallow layer sedimentation separator is located between first rectifying plate and the second rectifying plate that perforates, sludge collection part is hopper-shaped sludge bucket 18.
A water collecting tank 19 positioned at the position of the water outlet on the upper shell is arranged between the upper water outlet side of the upper shell and the second perforated rectifying plate, the top of the water collecting tank is higher than the height of the muddy water liquid level in the upper shell, a liquid discharging port 20 which is positioned at the bottom of the water collecting tank and is communicated up and down is arranged on the water collecting tank, and the height of the liquid discharging port is lower than the height of the muddy water liquid level; the top of the shallow layer sedimentation separation device is higher than the height of the liquid level of the muddy water in the upper shell.
The shallow layer sedimentation area is composed of two perforated vertical plates and herringbone inclined plate units, each channel is composed of an upper herringbone inclined plate, a lower herringbone inclined plate, a left perforated vertical plate and a right perforated vertical plate, muddy water mixed liquor flows through each channel horizontally, and the flow state of the muddy water mixed liquor on each channel is relatively independent. The closer the herringbone inclined plate spacing is arranged to a certain extent, the closer the herringbone inclined plate spacing is to an ideal shallow layer precipitation theory, the shorter the suspended matter precipitation distance is, the finer the minimum suspended particles of the outflow are, and the higher the precipitation efficiency is. The longer the horizontal channel in the shallow settling zone, i.e. the longer the channel composed of the herringbone inclined plate and the perforated vertical plate, the finer the minimum suspended particles flowing out, and the higher the settling efficiency. The bottom of the horizontal channel at the bottommost part in the shallow sedimentation zone is not provided with an inclined plate, the inclined plate is a non-closed horizontal channel, and in order to prevent local short flow, the front part and the rear part of the horizontal channel are provided with closing plates for closing.
The shallow precipitation separation device is a modularized device, when the shallow precipitation separation device is installed in a concrete or other material pool, sealing measures such as glass cement pouring, rubber strip laying and the like are adopted at the interface of the device and the pool, and the top of the shallow precipitation separation device is required to be higher than the liquid level, and is generally higher than the liquid level by 0.2-0.3 m.
By adopting the design, when the sludge-water mixed liquid to be separated flows horizontally from the horizontal channel in the shallow sedimentation area, the sludge vertically sinks to the upper surface of the lower herringbone inclined plate of the channel in the channel, and when the sludge is enriched to a certain degree and slides downwards along the inclined plate by self gravity, the sludge is discharged into the sludge sedimentation area through the sludge discharge holes in the perforated vertical plate at the shortest distance. Because the front standing area and the rear standing area belong to the closed standing area, the sludge separated in the shallow settling area enters the sludge settling area to be subjected to standing settling without being interfered by the flow state of the main flow, and finally falls into a sludge hopper from the lower port of the sludge settling area.
The above measures have the following advantages: (1) the water flow and the sludge deposited on the surface of the inclined pipe are in the vertical direction, so that the phenomenon that the pre-precipitated sludge in the channel of the shallow precipitation zone blocks the channel by being supported by the water flow is avoided; (2) pre-precipitated sludge in the channel of the shallow precipitation zone quickly slides into the sludge precipitation zone through the sludge discharge hole, the main stream and the sludge do not belong to the same space, the sludge precipitation zone belongs to the standing zone, and the main stream has small interference on sludge separation; (3) the distance (tens of millimeters) from the herringbone sloping plate to the sludge discharge port in the channel of the shallow settling zone is only one tenth of the distance (1 meter) from the upper port to the lower port of the inclined tube filler, and sludge can quickly slide down from the upper surface of the sloping plate and enters the sludge settling zone through the sludge discharge hole, so that the influence of the pre-settled sludge on the upper surface of the herringbone sloping plate in the channel on the flow cross section area of the horizontal channel is extremely small, and the flow speed and the settling effect in the channel are not influenced. By adopting the measures and the scheme, the suspended matters can be timely and efficiently separated in the mud-water mixed liquid, and the precipitation efficiency is greatly improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a shallow layer precipitation separator which characterized in that: the shallow layer precipitation separation device sequentially comprises a front sealing plate, a partition plate assembly and a rear sealing plate from front to back, wherein the partition plate assembly comprises a perforated vertical plate group and a herringbone inclined plate group, the herringbone inclined plate group consists of a plurality of herringbone inclined plate units which are arranged in parallel, the perforated vertical plate group consists of a plurality of perforated vertical plates which are arranged in parallel and are vertically placed, the plurality of perforated vertical plates are separated from front to back to form a plurality of cavities, each cavity comprises a shallow layer precipitation area and a precipitation area, one precipitation area is arranged between every two adjacent shallow layer precipitation areas, the herringbone inclined plate units are located in the corresponding shallow layer precipitation areas, and the bottom of each shallow layer precipitation area is provided with a bottom channel sealing plate for sealing a lower opening of the shallow layer precipitation area; the perforated vertical plate is provided with a mud discharge hole which is communicated from front to back, the upper surface of the herringbone inclined plate unit is flush with the lower line of the mud discharge hole, and the herringbone inclined plate unit is obliquely arranged with the horizontal plane.
2. A shallow precipitation separation apparatus as claimed in claim 1, wherein: the herringbone inclined plate units are arranged in an array mode through a plurality of herringbone inclined plates, a plurality of mud discharging holes are arranged on the perforated vertical plate in an array mode, the number of the mud discharging holes is the same as that of the herringbone inclined plates, and the upper surfaces of the herringbone inclined plates are flush with the lower lines of the corresponding mud discharging holes.
3. A shallow precipitation separation apparatus as claimed in claim 2, wherein: the herringbone inclined plates are longitudinally spaced from the adjacent herringbone inclined plates by 30-150mm, and the height of the mud discharge holes is equal to 1/5-1/2 of the longitudinal spacing distance between the herringbone inclined plates and the adjacent herringbone inclined plates; the transverse length of the herringbone inclined plates arranged in an array is 1-3 m.
4. A shallow precipitation separation unit as claimed in claim 3, wherein: the herringbone inclined plate is formed by splicing a first inclined plate and a second inclined plate, and an included angle between the first inclined plate and the second inclined plate is 30-75 degrees.
5. The shallow precipitation separation apparatus of claim 4, wherein: the included angle between the first inclined plate and the second inclined plate is 60 degrees.
6. A shallow precipitation separation apparatus as claimed in claim 1, wherein: the interval distance between the perforated vertical plate and the adjacent perforated vertical plate is 30-150 mm.
7. A shallow precipitation separation apparatus as claimed in claim 1, wherein: and a front standing area is formed between the front closing plate and the adjacent perforation vertical plate, and a rear standing area is formed between the rear closing plate and the adjacent perforation vertical plate.
8. A shallow precipitation separation apparatus as claimed in claim 1, wherein: and the perforated vertical plate group is respectively provided with a first reinforcing rib and a second reinforcing rib which are positioned at the top of the perforated vertical plate and at the bottom of the perforated vertical plate and are connected with a plurality of perforated vertical plates.
9. A shallow precipitation separation apparatus as claimed in claim 1, wherein: the shallow layer sedimentation separation device is integrally installed in the sludge filtering and collecting device, the sludge filtering and collecting device comprises a sludge water treatment part and a sludge collecting part, the sludge water treatment part is used for placing the sedimentation separation device, the sludge water collecting part is positioned below the sludge water treatment part, the sludge water treatment part comprises an upper shell, a water inlet, a first perforated rectifying plate, a second perforated rectifying plate and a water outlet, the water inlet is arranged on the upper shell and is positioned on the upper water inlet side of the upper shell, the first perforated rectifying plate is arranged on the upper water inlet side of the upper shell, the second perforated rectifying plate is arranged on the upper water outlet side of the upper shell, the water outlet is arranged on the upper shell and is positioned on the upper water outlet side of the upper shell, and the shallow layer sedimentation separation device is positioned between the first perforated rectifying plate and the second perforated rectifying plate; the sludge collecting part is a funnel-shaped sludge hopper.
10. A shallow sediment separation apparatus as claimed in claim 9 wherein: a water collecting tank positioned at the position of the water outlet on the upper shell is arranged between the upper water outlet side of the upper shell and the second perforated rectifying plate, the top of the water collecting tank is higher than the height of the muddy water liquid level in the upper shell, a liquid discharging port which is positioned at the bottom of the water collecting tank and is communicated up and down is arranged on the water collecting tank, and the height of the liquid discharging port is lower than the height of the muddy water liquid level; the top of the shallow layer sedimentation separation device is higher than the height of the liquid level of the muddy water in the upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220149761.3U CN216778000U (en) | 2022-01-20 | 2022-01-20 | Shallow layer precipitation separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220149761.3U CN216778000U (en) | 2022-01-20 | 2022-01-20 | Shallow layer precipitation separation device |
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| Publication Number | Publication Date |
|---|---|
| CN216778000U true CN216778000U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220149761.3U Active CN216778000U (en) | 2022-01-20 | 2022-01-20 | Shallow layer precipitation separation device |
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| CN (1) | CN216778000U (en) |
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- 2022-01-20 CN CN202220149761.3U patent/CN216778000U/en active Active
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