CN108786193B - Shunting type grit chamber - Google Patents
Shunting type grit chamber Download PDFInfo
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- CN108786193B CN108786193B CN201810679415.4A CN201810679415A CN108786193B CN 108786193 B CN108786193 B CN 108786193B CN 201810679415 A CN201810679415 A CN 201810679415A CN 108786193 B CN108786193 B CN 108786193B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000004576 sand Substances 0.000 claims abstract description 58
- 238000005192 partition Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 34
- 238000000034 method Methods 0.000 description 13
- 238000004062 sedimentation Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention discloses a shunting grit chamber, comprising: the water distribution tank is internally provided with n partition plates at intervals, each partition plate is provided with a plurality of water flowing holes, each cavity is internally provided with a V-shaped distribution plate, the upper part of one side, close to the sharp-angle end of the V-shaped distribution plate, of one cavity positioned at the end part is provided with a water inlet, the water inlet is connected with a water inlet pipe, the top end of one side, far away from the sharp-angle end of the V-shaped distribution plate, of one cavity positioned at the other end part is provided with an overflow port, the upper part of the one side is provided with a water outlet, the water outlet is connected with a water outlet pipe, and the height of the water outlet is lower than that of the overflow port; the top end of the sand collecting pool is circumferentially communicated with the bottom end of the flow dividing pool; the backflow pool comprises at least two drain pans which are coaxially arranged at an upper interval and a lower interval, and a backflow groove which is positioned below the lowest drain pan and is coaxially arranged with the lowest drain pan. According to the invention, through alternate arrangement of advection and turbulence and the arrangement of the backflow tank, the sand setting effect of the sand setting tank is effectively enhanced, and the self-purification of the sand setting is realized.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment. More particularly, the present invention relates to a split-flow grit chamber.
Background
Suspended matters in the wastewater, which have a density higher than that of water, can be separated by sedimentation under the action of gravity, and the method for removing the suspended matters in the wastewater by the method is called a sedimentation method, and the main removal object of the sedimentation method is precipitable solids with the particle size of more than 10 microns in suspension, namely suspended solids which can be separated from the water within 2 hours of natural sedimentation time. In practical application, the structure for gravity precipitation separation has two types, namely a grit chamber and a sedimentation tank, wherein the grit chamber is mainly used for removing sands in sewage, but the sands are usually wrapped or attached with organic matters in the circumferential direction, if the organic matters attached to the sands in the circumferential direction cannot be effectively removed, the organic matters are enabled to be settled along with the sands, the aggregate is easily caused to generate odor and other tastes which are not easy to accept by people, the environment is influenced, the difficulty of post treatment is increased, and the problem that how to effectively remove the sands and simultaneously avoid the attachment of the organic matters is urgently needed to be solved at present.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a divided-flow grit chamber which effectively enhances the self-cleaning effect of the grit chamber by alternately arranging advection-turbulence.
To achieve these objects and other advantages in accordance with the present invention, there is provided a split-flow grit chamber, comprising:
the flow dividing tank is in a cuboid shape with a sealed top end and an open bottom end, n partition plates are vertically clamped in the flow dividing tank at intervals along the length direction of the flow dividing tank so as to divide the flow dividing tank into n +1 cavities with equal volumes, a plurality of water flowing holes are formed in the middle of each partition plate at intervals along the depth direction of the flow dividing tank up and down, a V-shaped flow dividing plate is vertically arranged in each cavity, the surface formed by straight lines of the sharp corner ends of the V-shaped flow dividing plates is equally divided into the partition plates and the water flowing holes, the sharp corner end and the open end of each flow dividing plate are not abutted against the inner side wall of the cavity in which the flow dividing plate is arranged, a water inlet is arranged at the upper part of one side, close to the sharp corner end of the V-shaped flow dividing plate, of one cavity at the end part, the water inlet is connected with a water inlet pipe, an overflow port is arranged at the top end of one side, far away from the sharp corner end of the V-shaped flow dividing plate, of the other cavity at the other end, and a water outlet is arranged at the upper part, the water outlet is connected with a water outlet pipe, and the height of the water outlet is lower than that of the overflow port;
the sand collecting pool is in an inverted quadrangular frustum pyramid shape with an opening at the top end, the top end of the sand collecting pool is fixedly connected with the bottom end of the flow dividing pool in the circumferential direction to be integrally formed, and the flow dividing pool and the sand collecting pool are communicated from top to bottom;
the backflow tank comprises at least two drain pans coaxially arranged at an upper interval and a backflow groove coaxially arranged below the lowest drain pan and positioned below the lowest drain pan, the backflow groove is positioned below the lowest drain pan and coaxially arranged with the lowest drain pan, each drain pan comprises a cuboid liquid containing tank, the bottom surface of the liquid containing tank, which is formed by outwards expanding the periphery of the bottom end of the liquid containing tank, is in an open shape like a quadrangular frustum pyramid, a plurality of drain holes are formed in the bottom end of each liquid containing tank in a matrix arrangement mode, each drain hole is vertically and downwards communicated with a drain pipe, at least three paddles are rotatably communicated with the bottom end of each drain pipe, a through hole is formed in the lowest end of each paddle, the lengths of any two adjacent drain pipes are different, so that the lowest end of each paddle communicated with one of the two optional adjacent drain pipes is higher than the highest end of each paddle communicated with the other drain pipe, the lowest end of slurry communicated with the other drain pipe is higher than the lowest end of the corresponding water-retaining groove, and the bottom end face of the water-retaining groove of the drain pan positioned above in the two optional drain pans in the two adjacent drain pans falls into the top-containing tank along the projection of the vertical direction In the projection of the end surface along the vertical direction, the backflow groove comprises a rectangular liquid receiving groove, an inverted quadrangular frustum pyramid type diversion groove and a backflow pipe, wherein the rectangular liquid receiving groove, the inverted quadrangular frustum pyramid type diversion groove and the backflow pipe are sequentially communicated from top to bottom;
the top end of the partition plate and the V-shaped splitter plate are in sealing butt joint with the top end of the splitter tank;
the water outlet pipe is arranged in a non-inclined upward manner, the free end of the water outlet pipe is communicated with the uppermost liquid containing groove, and the height of the top end of the uppermost liquid containing groove is higher than that of the top end of the diversion tank;
the free end of the return pipe is communicated with the water inlet pipe, and the water inlet pipe between the return pipe and the water inlet is provided with a water pump.
Preferably, the water flowing hole is in a horn shape with the caliber gradually reduced along the running direction of water.
Preferably, the angle between the extension surface of the surface of one plate body of each V-shaped splitter plate and the inner side wall of the splitter tank is 45 degrees.
Preferably, the lower end of the leakage pipe is provided with two circumferential sliding grooves at intervals up and down;
further comprising: the shell is disc-shaped, an opening is formed in the top end of the shell, a vertical circular plate is fixedly connected to the inner side wall of the top end of the shell vertically and downwards, a transverse circular plate is integrally formed by inward condensation of the bottom end of the vertical circular plate, the opening, the vertical circular plate and the transverse circular plate are coaxially arranged, the inner ring of the transverse circular plate and the opening of the shell are provided with slideways matched with the slideways, the two slideways are respectively arranged in the two slideways in a sealing and rotating sliding mode, so that an accommodating cavity with a square longitudinal section is formed among the transverse circular plate, the vertical circular plate, the outer side wall of the leakage pipe and the inner side wall of the top end of the shell, and rotating beads are arranged in the accommodating cavity;
wherein, at least three paddle respectively with casing circumference intercommunication to make every bushing bottom rotatable intercommunication at least three paddle, and three paddle equidistant along casing circumference setting.
Preferably, the bottom end of the shell is vertically and upwards fixedly connected with a rotating rod, the rotating rod and the bushing are coaxially arranged, the top end of the rotating rod is rotatably fixed on the inner side wall of the bushing, a plurality of groups of blades are arranged on the rotating rod at intervals downwards along the length direction of the rotating rod, and each group of blades are arranged along the circumferential direction of the rotating rod.
Preferably, the projections of two groups of blades adjacent to each other on the upper and lower sides of each rotating rod in the vertical direction do not overlap.
Preferably, each side wall of each blade is provided with 3 water flowing holes at intervals along the length direction, and the height of the highest point of the water flowing hole on one blade is lower than that of the lowest point of the water flowing hole on the adjacent blade along the positive circumferential direction of the rotation of the blades.
The invention at least comprises the following beneficial effects:
firstly, sewage to be treated enters a diversion pool, is impacted at a sharp corner end of a V-shaped diversion plate to carry out diversion in the left-right direction, and is beneficial to removing organic matters wrapped outside sand in the impacting process, the diverted sewage passes through a gap between the end part of the V-shaped diversion plate and the side wall of a cavity to reduce the flowing section of the sewage, the sewage flows from advection to turbulence, the collision impact force of the sand in the sewage is increased, the separation of the organic matters and the sand is increased, the sewage flows into the opening end of the V-shaped diversion plate after flowing through the gap, the water flow speed is reduced rapidly, the sand separated from the organic matters is convenient to settle, meanwhile, the sewage on two sides of the V-shaped diversion plate flows relatively, collides at the opening end again, the collision impact force of the sand in the sewage is increased again, the separation of the organic matters and the sand is increased, then the sewage enters a next cavity through a water flowing hole on a partition plate, and the advection passing through the previous cavity is repeated, The processes of turbulent flow and impact sedimentation effectively increase the removal of the organic substances in the circumferential direction of the sand by the whole device, avoid excessive sedimentation of the sand without removing the coated organic substances and reduce the secondary backflow of the sand with the coated organic substances removed;
secondly, the returned sewage entering the return tank through the water outlet is fully contacted with air through the drain pans, so that the oxygen content of the returned sewage is improved, the returned sewage with high oxygen content enters the diversion tank again, solid-gas, gas-liquid suspended matters are formed in the process of collision with the sewage in the diversion tank, the removal of organic matters circumferentially wrapped by the sand can be accelerated, and the returned sewage entering the return tank through the water outlet further effectively removes the organic matters circumferentially wrapped by the sand through at least two layers of drain pans;
thirdly, the water flowing holes are in a horn shape with the caliber gradually reduced along the running direction of water, the impact force of the water flow is further increased, the impact friction force among sands is increased, the stability of the shell in the rotating connection of the leakage pipe is improved through the arrangement of a transverse circular plate and a vertical circular plate, the rotating friction force of the shell relative to the leakage pipe is effectively reduced through the arrangement of rotating beads, and the rotating effect of the paddle is improved;
fourthly, through rivers impact blade, and then drive the bull stick and rotate, the rotation of bull stick drives the rotation of casing, and the rotation effect of reinforcing paddle improves the contact of rivers and air, and then improves the rivers oxygen content, and simultaneously, the rotation of blade also is favorable to the self-impact of grit in the rivers, and with blade or around between the grit collision dynamics and probability, further strengthens the removal of the organic matter that grit circumference was covered and is established.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a split-flow grit chamber according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a drain pan according to one embodiment of the present invention;
fig. 3 is a schematic plan structure view of a leakage pipe according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 3, the present invention provides a split-flow type grit chamber, comprising:
the diversion pool 1 is a pool dug on the ground, or a built pool higher than the ground, or other realizable modes (partially arranged underground), and is in the shape of a cuboid with a top end sealed and a bottom end opened (the top end sealed can be realized by arranging a sealing cover capable of being opened and closed), n baffles 10 are vertically clamped and arranged in the diversion pool 1 along the length direction of the diversion pool, the baffles 10 are perpendicular to the inner side wall of the diversion pool 1 in the length direction to divide the diversion pool 1 into n +1 cavities 11 with the same volume, a plurality of drain holes 12 are vertically arranged in the depth direction of the diversion pool 1 in the middle of each baffle 10 at intervals, a V-shaped diversion plate 13 is vertically arranged in each cavity 11, the V-shaped diversion plate 13 can be formed by butting the end parts of two plate bodies, and the surfaces formed by straight lines at the sharp-corner ends of the V-shaped diversion plates 13 (namely the ends of the two plate bodies of the V-shaped diversion plate 13 which are fixedly connected with each other) (the same vertical surfaces where the straight lines are arranged) are equally divided into the baffles 10. The sharp corner end and the open end of each flow distribution plate 13 (namely, one end of each V-shaped flow distribution plate 13, which is far away from the sharp corner end) are not abutted against the inner side wall of the cavity 11 where the flow distribution plate 13 is located, the upper part of one side, which is close to the sharp corner end of the V-shaped flow distribution plate 13, of one cavity 11 located at the end part is provided with a water inlet 14, the water inlet 14 is connected with a water inlet pipe 15 (the water inlet pipe 15 is located outside the flow distribution pool 1, sewage to be treated enters the flow distribution pool 1 through the water inlet pipe 15), the top end of one side, which is far away from the sharp corner end of the V-shaped flow distribution plate 13, of one cavity 11 located at the other end part along the length direction of the flow distribution pool 1 is provided with an overflow port 16, the upper part of the cavity is provided with a water outlet 17, the water outlet 17 is connected with a water outlet pipe 18, and the height of the water outlet 17 is lower than the height of the overflow port 16;
the sand collecting pool 2 is in an inverted quadrangular frustum pyramid shape with an opening at the top end, the top end of the sand collecting pool 2 is fixedly connected with the bottom end of the shunting pool 1 in the circumferential direction to be integrally formed, the shunting pool 1 and the sand collecting pool 2 are communicated up and down, the sand collecting pool 2 is used for depositing sand, the sand deposited in the sand collecting pool can be removed in two conventional modes, the lowest end of the sand collecting pool 2 forms a sand outlet, the sand outlet is connected with a sand suction pump, the sand is accumulated to a certain amount, the sand suction pump is started to suck out the deposited sand, the bottom of the sand collecting pool 2 is connected with a suction pipe, the suction pipe is connected with the sand suction pump arranged on the top end plane of the inner circulation tank, and the deposited sand is sucked out through the sand suction pump;
the backflow tank 3 is matched with the outer ring flow groove and comprises at least two drain pans 30 which are coaxially arranged at intervals up and down (the drain pans 30 are fixed in a conventional fixed mode and are not shown in the figure), and a backflow groove 4 which is positioned below the lowest drain pan 30 and is coaxially arranged with the lowest drain pan 30, wherein each drain pan 30 comprises a cuboid liquid containing groove 31, a quasi-quadrangular frustum-shaped water retaining groove 32 of which the bottom surface is formed by outwards and downwards expanding the periphery of the bottom end of the liquid containing groove 31 into an open shape, the bottom end of each liquid containing groove 31 is provided with a plurality of leakage holes 33 in a matrix arrangement mode, each leakage hole 33 is vertically and downwards communicated with a leakage pipe 34, the bottom end of each leakage pipe 34 is rotatably communicated with at least three blades 35, the lowest end of each blade 35 is provided with a through hole 36, so that water flows through the leakage holes 33, the leakage pipes 34, the blades 35 and the through holes 36 to be discharged, and the discharge speed of water bodies is not less than the speed of the water bodies entering the liquid containing grooves 31, any two adjacent leakage pipes 34 (located in the same row or the same column) have different lengths, so that the lowest end of the paddle 35 communicated with one leakage pipe 34 in any two adjacent leakage pipes 34 is higher than the highest end of the paddle 35 communicated with the other leakage pipe 34, and the lowest end of the slurry communicated with the other discharge spout 34 is higher than the lowest end of the corresponding water retaining groove 32, the projection of the bottom end surface of the water retaining groove 32 of the discharge spout 30 positioned above in any two vertically adjacent discharge spouts 30 along the vertical direction falls into the projection of the top end surface of the liquid containing groove 31 of the discharge spout 30 positioned below along the vertical direction, the reflux groove 4 comprises a rectangular liquid receiving groove 40, an inverted quadrangular frustum pyramid shaped diversion groove 41 and a reflux pipe 42 communicated with the bottom end of the diversion groove 41 which are sequentially communicated from top to bottom, wherein, the projection of the bottom end surface of the water retaining groove 32 positioned at the lowest part along the vertical direction falls into the projection range of the top end of the liquid receiving groove 40 along the vertical direction;
the top end of the partition plate 10 and the V-shaped splitter plate 13 are in sealing butt joint with the top end of the flow dividing pool 1, and the heights of the partition plate 10 and the V-shaped splitter plate 13 are not more than the depth of the flow dividing pool 1;
the water outlet pipe 18 is arranged in a non-inclined upward manner, the free end of the water outlet pipe is communicated with the liquid containing groove 31 positioned at the top, and the height of the top end of the liquid containing groove 31 positioned at the top is higher than that of the top end of the diversion pool 1;
the free end of the return pipe 42 is communicated with the water inlet pipe 15, and a water pump 43 is arranged on the water inlet pipe 15 between the return pipe 42 and the water inlet 14.
In the technical scheme, in the using process, sewage to be settled sequentially enters a cavity 11 close to the end part of a diversion pool 1 through a water inlet pipe 15 and a water inlet 14, is shunted along the left-right direction on the sharp-angled end of a diversion plate 13 impacting the cavity 11, the shunted sewage passes through a seam body formed between the V-shaped diversion plate 13 and the inner wall of the cavity 11, enters the opening end of the V-shaped diversion plate 13 after passing through the seam body, enters the next cavity 11 through a water flowing hole 12 on a partition plate 10, sequentially flows through each cavity 11 to reach a water outlet 17 and an overflow port 16, a water body above the water outlet 17 flows into the next process through the overflow port 16, a water body below the overflow port 16 enters a backflow pool 3 through the water outlet 17, the water body entering the backflow pool 3 sequentially passes through a plurality of layers of leakage discs 30, and a water flow passing through each layer of leakage discs 30 sequentially passes through a leakage hole 33, a leakage pipe 34 and a leakage pipe 34 of the layer of the leakage disc 30, The paddle 35 and the through hole 36 are discharged to the drain pan 30 below the paddle, the water flow of the drain pan 30 at the lowest position is discharged to the backflow groove 4, and then enters the diversion pool 1 under the action of the water pump 43 through the backflow pipe 42 and the water inlet pipe 15 and the water pump 43 between the backflow pipe 42 and the water inlet 14, the sand deposited on the sand collecting pool 2 is pumped out for next treatment, by adopting the technical scheme, the first sewage to be treated enters the diversion pool 1, impacts the sharp corner end of the V-shaped diversion plate 13 for left-right diversion, is beneficial to removing organic matters wrapped outside the sand in the impact process, the shunted sewage passes through the gap between the end part of the V-shaped diversion plate 13 and the side wall of the cavity 11, the flowing section of the sewage is reduced, the flowing of the sewage is changed from flat flow to turbulent flow, the impact force of the sand in the sewage is increased, and the separation of the organic matters and the sand is increased, after flowing through the gap, the sewage enters the opening end of the V-shaped splitter plate 13, the water flow velocity is suddenly reduced, the sand separated from the organic matters is convenient to settle, meanwhile, the sewage on the two sides of the V-shaped splitter plate 13 flows relatively, the sewage collides again at the opening end, the collision impact force of the sand in the sewage is increased again, the separation of the organic matters and the sand is increased, the sewage enters the next cavity 11 through the water flowing hole 12 on the partition plate 10, the advection, turbulence and impact settlement processes of the previous cavity 11 are repeated, the removal of the organic matters in the circumferential direction of the sand by the whole device is effectively increased, the excessive settlement of the sand without removing the coated organic matters is avoided, and the secondary backflow of the sand with the coated organic matters removed is reduced; secondly, the backflow sewage which enters the backflow pool 3 through the water outlet 17 is fully contacted with the air through the drain pan 30, the oxygen content of the backflow sewage is improved, the high oxygen content backflow sewage enters the flow dividing pool 1 again, solid-gas-liquid suspended matters are formed in the process of collision with the sewage in the flow dividing pool 1, the removal of organic matters wrapped by sand in the circumferential direction can be accelerated, and the backflow sewage which enters the backflow pool 3 through the water outlet 17 further effectively removes the organic matters wrapped by the sand in the circumferential direction through at least two layers of drain pans 30.
In another technical scheme, the water flowing hole 12 is in a horn shape with the caliber gradually reduced along the running direction of the flowing water. By adopting the technical scheme, the water flow impact force is further increased, and the impact friction force among sands is increased.
In another technical scheme, an included angle between an extension surface of a surface where one plate body of each V-shaped flow distribution plate 13 is located and the inner side wall of the flow distribution tank 1 is 45 degrees. By adopting the technical scheme, the water flow entering the opening end of the V-shaped splitter plate 13 after flowing through the gap flows symmetrically, the impact force of the relative water flow at the opening end is increased, and the separation of organic matters on the sand is increased.
In another technical scheme, two circumferential sliding grooves are arranged at the lower end of the leakage pipe 34 at intervals up and down, namely the sliding grooves are annular;
further comprising: the leakage pipe comprises a shell 5 which is in a disc shape, wherein the top end of the shell 5 is provided with a circular hole 50, the inner side wall of the top end of the shell 5 is vertically and downwardly fixedly connected with a vertical circular plate 51, the bottom end of the vertical circular plate 51 is inwardly condensed and integrally provided with a horizontal circular plate 52, the circular hole 50, the vertical circular plate 51 and the horizontal circular plate 52 are coaxially arranged, the positions of the inner ring of the horizontal circular plate 52 and the circular hole 50 of the shell 5 are respectively provided with a slideway matched with the slideways, the two slideways are respectively sealed (can be sealed by arranging rubber pads) and rotatably and slidably arranged in the two slideways, so that a circular ring-shaped accommodating cavity 53 with a square longitudinal section is formed among the horizontal circular plate 52, the vertical circular plate 51, the outer side wall of the leakage pipe 34 and the inner side wall of the top end of the shell 5, a rotating bead 54 is arranged in the accommodating cavity 53, and the diameter of the rotating bead 54 is slightly smaller than the side length of the square;
wherein, at least three paddle 35 respectively with casing 5 intercommunication to make every weeping pipe 34 bottom rotatable intercommunication at least three paddle 35, and three paddle 35 equally spaced sets up along casing 5 circumference. By adopting the technical scheme, the stability of the rotary connection between the shell 5 and the leakage pipe 34 is improved by arranging the transverse circular plate 52 and the vertical circular plate 51, the rotary friction force of the shell 5 relative to the leakage pipe 34 is effectively reduced by arranging the rotary balls 54, and the rotary effect of the blades 35 is improved.
In another technical scheme, a rotating rod 6 is fixedly connected to the bottom end of the shell 5 vertically upwards, the rotating rod 6 and the bushing 34 are coaxially arranged, the top end of the rotating rod 6 is rotatably fixed to the inner side wall of the bushing 34, a plurality of groups of blades 60 are arranged on the rotating rod 6 at intervals downwards along the length direction of the rotating rod 6, and each group of blades 60 are arranged along the circumferential direction of the rotating rod 6. By adopting the technical scheme, the blades 60 are impacted by water flow, so that the rotating rod 6 is driven to rotate, the rotating rod 6 drives the shell 5 to rotate, the rotating effect of the paddle 35 is enhanced, the contact between the water flow and air is improved, the oxygen content of the water flow is further improved, meanwhile, the rotation of the blades 60 is also beneficial to the self-impact of sand in the water flow, the collision force and probability between the sand and the blades 60 or the surrounding sand, and the removal of organic matters coated on the circumferential direction of the sand is further enhanced.
In another technical scheme, the projections of two groups of blades 60 adjacent to each other on the upper and lower sides of each rotating rod 6 in the vertical direction do not overlap. By adopting the technical scheme, the rotating effect of the rotating rod 6 is enhanced.
In another technical scheme, 3 water flowing holes 12 are formed in the side wall of each blade 35 at intervals along the length direction of the blade, and the height of the highest point of the water flowing hole 12 on one blade 35 is lower than that of the lowest point of the water flowing hole 12 on the adjacent blade 35 along the positive circumference of the rotation of the blade 35. With this technical solution, the rotational force of the blade 35 itself is enhanced.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the split sand basin of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. Divided flow type grit chamber, its characterized in that includes:
the flow dividing tank is in a cuboid shape with a sealed top end and an open bottom end, n partition plates are vertically clamped in the flow dividing tank at intervals along the length direction of the flow dividing tank so as to divide the flow dividing tank into n +1 cavities with equal volumes, a plurality of water flowing holes are formed in the middle of each partition plate at intervals along the depth direction of the flow dividing tank up and down, a V-shaped flow dividing plate is vertically arranged in each cavity, the surface formed by straight lines of the sharp corner ends of the V-shaped flow dividing plates is equally divided into the partition plates and the water flowing holes, the sharp corner end and the open end of each flow dividing plate are not abutted against the inner side wall of the cavity in which the flow dividing plate is arranged, a water inlet is arranged at the upper part of one side, close to the sharp corner end of the V-shaped flow dividing plate, of one cavity at the end part, the water inlet is connected with a water inlet pipe, an overflow port is, the water outlet is connected with a water outlet pipe, and the height of the water outlet is lower than that of the overflow port;
the sand collecting pool is in an inverted quadrangular frustum pyramid shape with an opening at the top end, the top end of the sand collecting pool is fixedly connected with the bottom end of the flow dividing pool in the circumferential direction to be integrally formed, and the flow dividing pool and the sand collecting pool are communicated from top to bottom;
the backflow tank comprises at least two drain pans coaxially arranged at an upper interval and a backflow groove coaxially arranged below the lowest drain pan and positioned below the lowest drain pan, the backflow groove is positioned below the lowest drain pan and coaxially arranged with the lowest drain pan, each drain pan comprises a cuboid liquid containing tank, the bottom surface of the liquid containing tank, which is formed by outwards expanding the periphery of the bottom end of the liquid containing tank, is in an open shape like a quadrangular frustum pyramid, a plurality of drain holes are formed in the bottom end of each liquid containing tank in a matrix arrangement mode, each drain hole is vertically and downwards communicated with a drain pipe, at least three paddles are rotatably communicated with the bottom end of each drain pipe, a through hole is formed in the lowest end of each paddle, the lengths of any two adjacent drain pipes are different, so that the lowest end of each paddle communicated with one of the two optional adjacent drain pipes is higher than the highest end of each paddle communicated with the other drain pipe, the lowest end of slurry communicated with the other drain pipe is higher than the lowest end of the corresponding water-retaining groove, and the bottom end face of the water-retaining groove of the drain pan positioned above in the two optional drain pans in the two adjacent drain pans falls into the top-containing tank along the projection of the vertical direction In the projection of the end surface along the vertical direction, the backflow groove comprises a rectangular liquid receiving groove, an inverted quadrangular frustum pyramid type diversion groove and a backflow pipe, wherein the rectangular liquid receiving groove, the inverted quadrangular frustum pyramid type diversion groove and the backflow pipe are sequentially communicated from top to bottom;
the top end of the partition plate and the V-shaped splitter plate are in sealing butt joint with the top end of the splitter tank;
the water outlet pipe is arranged in a non-inclined upward manner, the free end of the water outlet pipe is communicated with the uppermost liquid containing groove, and the height of the top end of the uppermost liquid containing groove is higher than that of the top end of the diversion tank;
the free end of the return pipe is communicated with the water inlet pipe, and a water pump is arranged on the water inlet pipe between the return pipe and the water inlet;
two circumferential sliding grooves are formed in the lower end of the leakage pipe at intervals up and down;
further comprising: the shell is disc-shaped, an opening is formed in the top end of the shell, a vertical circular plate is fixedly connected to the inner side wall of the top end of the shell vertically and downwards, a transverse circular plate is integrally formed by inward condensation of the bottom end of the vertical circular plate, the opening, the vertical circular plate and the transverse circular plate are coaxially arranged, the inner ring of the transverse circular plate and the opening of the shell are provided with slideways matched with the slideways, the two slideways are respectively arranged in the two slideways in a sealing and rotating sliding mode, so that an accommodating cavity with a square longitudinal section is formed among the transverse circular plate, the vertical circular plate, the outer side wall of the leakage pipe and the inner side wall of the top end of the shell, and rotating beads are arranged in the accommodating cavity;
wherein, at least three paddle respectively with casing circumference intercommunication to make every bushing bottom rotatable intercommunication at least three paddle, and three paddle equidistant along casing circumference setting.
2. The split-flow grit chamber of claim 1 wherein said flow holes are flared with a gradually decreasing diameter in the direction of flow.
3. The split-flow grit chamber of claim 1 wherein the angle between the extension of the face of one of the plates of each V-shaped splitter plate and the inside wall of said splitter chamber is 45 °.
4. The split-flow grit chamber of claim 1 wherein said housing has a bottom end vertically and upwardly secured thereto a rotating rod, said rotating rod being coaxially disposed with said perforated pipe, said rotating rod having a top end rotatably secured to an inner side wall of said perforated pipe, said rotating rod having a plurality of sets of blades spaced downwardly along a length thereof, each set of blades being circumferentially disposed along said rotating rod.
5. The split flow grit chamber of claim 4 wherein the projections of two adjacent sets of vanes on each of said rotatable shafts in the vertical direction do not overlap.
6. The split-flow grit chamber according to claim 1 wherein each of the side walls of the blades is provided with 3 water flow holes at intervals along the length direction thereof, and the height of the highest point of the water flow hole of one blade is lower than the height of the lowest point of the water flow hole of the adjacent blade along a circle of the positive circumference of the rotation of the blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679415.4A CN108786193B (en) | 2018-06-27 | 2018-06-27 | Shunting type grit chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679415.4A CN108786193B (en) | 2018-06-27 | 2018-06-27 | Shunting type grit chamber |
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| Publication Number | Publication Date |
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| CN108786193A CN108786193A (en) | 2018-11-13 |
| CN108786193B true CN108786193B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810679415.4A Active CN108786193B (en) | 2018-06-27 | 2018-06-27 | Shunting type grit chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113577850B (en) * | 2021-08-16 | 2022-07-26 | 兰州恒达石化机械有限公司 | Can gather sludge signal control back flush complete set three-phase separator |
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|---|---|---|---|---|
| JPS6029285B2 (en) * | 1981-10-16 | 1985-07-10 | 日立建機株式会社 | Portable coagulation sedimentation equipment |
| CN1181026A (en) * | 1995-04-10 | 1998-05-06 | 帕克公司 | Settling device for a fluid containing liquid, gas and particulate materia, as well as a cleaning device provided herewith |
| KR100930782B1 (en) * | 2009-03-31 | 2009-12-09 | 이정무 | A precipitation tank of continuous flow type |
| CN205391827U (en) * | 2016-02-26 | 2016-07-27 | 辽宁石化职业技术学院 | Rotational flow debris basin |
| CN206033494U (en) * | 2016-08-29 | 2017-03-22 | 苏州赛华仪控股份有限公司 | Integrated water treatment equipment |
-
2018
- 2018-06-27 CN CN201810679415.4A patent/CN108786193B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6029285B2 (en) * | 1981-10-16 | 1985-07-10 | 日立建機株式会社 | Portable coagulation sedimentation equipment |
| CN1181026A (en) * | 1995-04-10 | 1998-05-06 | 帕克公司 | Settling device for a fluid containing liquid, gas and particulate materia, as well as a cleaning device provided herewith |
| KR100930782B1 (en) * | 2009-03-31 | 2009-12-09 | 이정무 | A precipitation tank of continuous flow type |
| CN205391827U (en) * | 2016-02-26 | 2016-07-27 | 辽宁石化职业技术学院 | Rotational flow debris basin |
| CN206033494U (en) * | 2016-08-29 | 2017-03-22 | 苏州赛华仪控股份有限公司 | Integrated water treatment equipment |
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|---|---|
| CN108786193A (en) | 2018-11-13 |
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Effective date of registration: 20231110 Address after: Building 11, No. 1501 Yishan Road, Balidian Town, Wuxing District, Huzhou City, Zhejiang Province, 313001 (self declared) Patentee after: HUZHOU NANTAIHU ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 532114 No. 1, Sanhe Village, Qujiu Town, Fusui County, Chongzuo City, Guangxi Zhuang Autonomous Region Patentee before: Li Haiqiang |
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