CN110615513A - Automatic mud-removing flat sedimentation tank - Google Patents
Automatic mud-removing flat sedimentation tank Download PDFInfo
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- CN110615513A CN110615513A CN201810638228.1A CN201810638228A CN110615513A CN 110615513 A CN110615513 A CN 110615513A CN 201810638228 A CN201810638228 A CN 201810638228A CN 110615513 A CN110615513 A CN 110615513A
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- water
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 173
- 239000013049 sediment Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000002245 particle Substances 0.000 claims abstract description 48
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000010802 sludge Substances 0.000 claims description 42
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 239000002244 precipitate Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000008213 purified water Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B01D21/0045—Plurality of essentially parallel 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
- B01D21/0087—Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
-
- 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
- B01D21/2433—Discharge mechanisms for floating particles
-
- 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
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2455—Conveyor belts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses an automatic mud-removing flat sedimentation tank, which comprises a tank body, wherein the tank body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively positioned on two opposite side wall surfaces of the tank body, and an inner cavity of the tank body comprises a sedimentation area, a water inlet area positioned in a flow inlet area of the water inlet pipe and mud discharging areas positioned on two sides of a flowing water body; the sedimentation zone is internally provided with a horizontal conveying belt wheel set which is used for vertically dividing the inner cavity of the sedimentation zone into a plurality of shallow pool units so as to enable suspended particles in the water to fall and precipitate and convey sediments in a single direction, and the moving conveying direction of the horizontal conveying belt wheel set is vertical to the flowing direction of the water body so that the flowing water body flows through each shallow pool unit of the horizontal conveying belt wheel set from the side direction of the horizontal conveying belt wheel set; the mud discharging area is internally provided with a mud guiding mechanism which is used for contacting with the sediment on the surface of the horizontal conveying belt wheel set conveyed in a unidirectional moving mode so as to enable the sediment to be separated from the surface of the horizontal conveying belt wheel set and guide the separated sediment to the bottom of the mud discharging area. The sediment removal rate is high, and ideal application of shallow pool theory is realized.
Description
Technical Field
The invention relates to the technical field of water treatment and sedimentation, in particular to a sedimentation tank which utilizes a movable flat plate to construct a shallow tank and automatically removes mud.
Background
The process of separating suspended particles from water by gravity is called sedimentation, which is the most basic process in water treatment. The sedimentation tank is a structure for removing suspended matters in water by using sedimentation, and the suspended matters in the water are removed by using the natural sedimentation or coagulating sedimentation of the water.
The horizontal sedimentation tank is the sedimentation tank which is applied at the earliest and is the most basic of sedimentation theory. However, the traditional horizontal flow sedimentation tank occupies a large area, and the problem can be effectively solved by applying a shallow tank theory. In order to realize the shallow pool theory, an inclined plate sedimentation tank and an inclined tube sedimentation tank are produced at the same time.
The inclined plate sedimentation tank is formed by placing a plurality of inclined plates which form a certain angle (about 60 degrees generally) with the horizontal plane in the sedimentation tank, water flows through the inclined plates, particles are settled on the inclined plates, and automatically slide down to a sludge tank at the bottom of the inclined plate sedimentation tank along the inclined plates and are discharged.
The inclined tube sedimentation tank is formed by placing a tubular component (with a rectangular or hexagonal section and the like) which forms a certain angle (generally about 60 degrees) with the horizontal plane in the sedimentation tank, wherein water flows through the inclined tube, particles settle at the bottom of the inclined tube, and then automatically slide down to a sludge tank at the bottom of the sedimentation tank along the inclined tube and are discharged.
Because the inclined plates and the inclined pipes in the inclined plate and inclined pipe sedimentation tanks form a certain inclined angle with the horizontal plane, the surface area of the flat plate sedimentation tank parallel to the horizontal plane cannot be reached when the volume of the sedimentation tank is fixed, and the particle removal rate is lower than that of the flat plate sedimentation tank. Meanwhile, when the inclined plate and the inclined tube sedimentation tank are in operation, the water body flow direction is opposite to the particle sedimentation direction to generate a relative acting force, so that the water body flow easily drives particles to flow upwards along the inclined plane, the particles flowing upwards in the upstream easily form sludge to block a water outlet, and the sludge discharge is difficult to achieve an ideal state.
Disclosure of Invention
The invention provides an automatic desilting flat sedimentation tank, which aims to solve the problems that the existing inclined plate sedimentation tank and inclined tube sedimentation tank are easy to block a water outlet and have poor sludge discharge effect; the technical problem of shallow pool theory of multilayer flat plates cannot be really realized.
The invention provides an automatic desilting flat sedimentation tank, which comprises a tank body, wherein the tank body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively arranged on two opposite side wall surfaces of the tank body, a water body in the tank body flows from the water inlet pipe to the water outlet pipe, an inner cavity of the tank body comprises a sedimentation area, a water inlet area and a sludge discharge area, the sedimentation area is used for allowing suspended particles in the water body to fall and deposit to form sediments, the water inlet area is arranged in a flow inlet area of the water inlet pipe and is used for providing stable advection water bodies for the sedimentation area, and the sludge discharge area is arranged on; the sedimentation zone is internally provided with a horizontal conveying belt wheel set which is used for vertically dividing the inner cavity of the sedimentation zone into a plurality of shallow pool units so as to enable suspended particles in the water to fall and precipitate and convey sediments in a single direction, and the moving conveying direction of the horizontal conveying belt wheel set is vertical to the flowing direction of the water body so that the flowing water body flows through each shallow pool unit of the horizontal conveying belt wheel set from the side direction of the horizontal conveying belt wheel set; the mud discharging area is internally provided with a mud guiding mechanism which is used for contacting with the sediment on the surface of the horizontal conveying belt wheel set conveyed in a unidirectional moving mode so as to enable the sediment to be separated from the surface of the horizontal conveying belt wheel set and guide the separated sediment to the bottom of the mud discharging area.
Further, the horizontal conveying belt wheel set comprises a flexible flat conveying belt, a roller shaft and a driving device, wherein the flexible flat conveying belt is used for bearing sediments formed by falling of suspended particles in water by utilizing a flat surface and carrying the sediments to convey the sediments in a unidirectional moving mode, the roller shaft is used for bearing the flexible flat conveying belt and changing the arrangement direction of the flexible flat conveying belt so that the flexible flat conveying belt forms a multi-layer layered structure to vertically divide the sedimentation area into a plurality of shallow pool units, and the driving device is used for driving the flexible flat conveying belt to move on the roller shaft in a unidirectional moving; the driving device is arranged outside the tank body, the roll shafts are arranged close to the mud discharging area, the flexible flat conveyer belt winds on the driving device and the roll shafts to form a closed ring belt, and the mud guide mechanism extends and is arranged from the mud discharging area to the flexible flat conveyer belt on the roll shafts.
Furthermore, the horizontal conveying belt wheel set also comprises a tensioning mechanism for tensioning the flexible flat conveying belt; the tensioning mechanism comprises a fixed wheel which is positioned near the moving track of the flexible flat plate conveying belt and used for supporting the part to be tensioned on the flexible flat plate conveying belt and a tensioning wheel which is arranged deviating from the moving track of the flexible flat plate conveying belt and used for tensioning the part to be tensioned on the flexible flat plate conveying belt; the arrangement position of the tension wheel is fixed; or the setting position of the tension wheel is adjustable, and the tension wheel is connected with an adjusting mechanism for adjusting the deviation distance of the tension wheel from the moving track of the flexible flat plate conveyor belt.
Furthermore, the horizontal conveying belt wheel set comprises a plurality of roll shafts which are arranged in parallel, the roll shafts are uniformly distributed at the junction of the two sludge discharge areas and the sedimentation area, and the roll shafts enable the flexible flat conveying belt to be reversed for multiple times so as to form a plurality of shallow pool units in the sedimentation area; the radial dimensions of the roll shafts are the same or different.
Furthermore, each roll shaft corresponds to one group of mud guide mechanisms; or the roll shafts at one end of the horizontal conveying belt wheel set and the mud guide mechanisms are correspondingly arranged one by one; or the partial roll shafts of the horizontal conveying belt wheel set are correspondingly provided with mud guide mechanisms.
Furthermore, the part of the flexible flat plate conveyer belt, which is positioned between the roll shafts, is a flexible flat plate with a flat surface, the flexible flat plates are vertically distributed with a plurality of layers, and the distances among the flexible flat plates are the same or different; the roll shafts of the flexible flat plate in the moving and conveying direction are correspondingly provided with mud guide mechanisms.
Furthermore, the flexible flat plates are all horizontally arranged; or the flexible flat plates are obliquely arranged, and an oblique included angle is formed between each flexible flat plate and the horizontal plane and is smaller than 30 degrees; or part of the flexible flat plates are obliquely arranged, and part of the flexible flat plates are horizontally arranged.
Furthermore, the mud guide mechanism comprises a mud guide plate arranged on the side direction of the roll shaft, the first side of the mud guide plate is lapped on the surface of the flexible flat conveyer belt on the roll shaft, and the second side of the mud guide plate inclines towards the bottom of the mud discharge area; the overlapping position of the mud guide plate on the flexible flat conveyer belt is positioned in the joint area of the flexible flat conveyer belt and the roll shaft; the mud guide plate is fixedly arranged in the tank body, or the mud guide plate is rotatably and adjustably connected in the tank body.
Furthermore, a sludge discharge ditch for collecting and discharging sediments is arranged at the bottom of the sludge discharge area, and the sludge discharge ditch discharges the sediments to the outside of the pool body through the perforated sludge discharge pipe.
Furthermore, the output end of the water inlet area is provided with a water distribution tracery wall which is used for reducing the flow velocity of the water body and forming advective water body which flows uniformly to the settling area.
The invention has the following beneficial effects:
the invention relates to an automatic mud-removing flat sedimentation tank, which adopts horizontal conveying belt wheel sets which are vertically arranged in a layered manner to divide a sedimentation area into a plurality of shallow tank units which are vertically arranged in a stacked manner and take the horizontal conveying belts of the horizontal conveying belt wheel sets as bottom plates; when the water body flows through the horizontal conveying belt wheel set along the lateral direction of the horizontal conveying belt wheel set, namely, the water body enters each shallow pool unit, the pool height is reduced due to the shallow pool units, the surface area contacted with suspended particles is indirectly enlarged under the condition of the same volume, the suspended particles in the water body passing through each shallow pool unit can contact the bottom of the shallow pool unit in a short time to form precipitates, and the water body has a large enough area for bearing the precipitates, so that the removal rate of the suspended particles in the water body is high, and the water body passing through the precipitates continues to flow and is discharged in the direction of the water outlet pipe. The moving conveying direction of the horizontal conveying belt wheel set is perpendicular to the flowing direction of the water body, namely the influence of the flowing impact force of the water body on sediment conveyed on the surface of the horizontal conveying belt wheel set is small, the horizontal conveying belt side face is in contact with the water body between the horizontal conveying belt wheel set and the water body, the water body flows along the surface of the horizontal conveying belt, the blockage of the flowing water body is small, and therefore the purposes that the removal rate of suspended particles is high, the water body after sedimentation flows smoothly are achieved, the water purifying efficiency is high, and the water purifying effect is good. The sediment of horizontal conveyor belt wheelset delivery whereabouts deposit produces the interact along unidirectional movement and with leading mud mechanism contact for the sediment drops from the bearing of horizontal conveyor belt wheelset level face, and the sediment that drops removes and leads the sediment to the mud district by leading mud mechanism's guide effect to the mud district towards mud mechanism direction because inertial force. The sediments led out by each shallow pool unit are deposited in the sludge discharge area and uniformly discharged out of the pool body, so that the sediments are prevented from reversely suspending and flowing to the water outlet pipe along with the water body. The whole water body precipitation and purification process is completed by the cooperation of mutually vertical water body flowing and horizontal conveying belt wheel set moving and conveying, the mutual interference is small, and the ideal application of the shallow pool theory is fully realized.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an automatic mud-removing plate sedimentation tank according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line 1-1 of FIG. 1;
fig. 3 is a cross-sectional view 2-2 of fig. 1.
Illustration of the drawings:
1. a tank body; 101. a settling zone; 102. a water inlet area; 1021. a water distribution tracery wall; 103. a sludge discharge area; 1031. a sludge discharge ditch; 1032. perforating a sludge discharge pipe; 2. a water inlet pipe; 3. a water outlet pipe; 4. a horizontal conveyor belt wheel set; 401. a flexible flat conveyor belt; 4011. a flexible flat plate; 402. a roll shaft; 403. a drive device; 5. a mud guiding mechanism; 501. a mud guide plate; 6. a tensioning mechanism; 601. a fixed wheel; 602. a tension wheel; 603. an adjustment mechanism; 7. a support mechanism; 8. a water collection tank; 9. a guide wheel.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is a schematic structural view of an automatic mud-removing plate sedimentation tank according to a preferred embodiment of the present invention; FIG. 2 is a cross-sectional view taken along line 1-1 of FIG. 1; fig. 3 is a cross-sectional view 2-2 of fig. 1. As shown in fig. 1, fig. 2 and fig. 3, the automatic mud-removing flat sedimentation tank of the present embodiment includes a tank body 1, the tank body 1 is provided with a water inlet pipe 2 and a water outlet pipe 3, the water inlet pipe 2 and the water outlet pipe 3 are respectively located on two opposite side wall surfaces of the tank body 1, a water body in the tank body 1 flows from the water inlet pipe 2 to the water outlet pipe 3, an inner cavity of the tank body 1 includes a sedimentation region 101 for suspended particles in the water body to fall and deposit to form a sediment, a water inlet region 102 located in a flow inlet region of the water inlet pipe 2 for providing a stable advective water body to the sedimentation region 101, and mud discharge regions 103 located at two sides of the flowing water body for collecting the sediment from the sedimentation region 101; a horizontal conveying belt wheel set 4 for vertically dividing the inner cavity of the settling zone 101 into a plurality of shallow pool units so as to enable suspended particles in the water to fall and settle and convey sediments in a single direction is arranged in the settling zone 101, and the moving conveying direction of the horizontal conveying belt wheel set 4 is vertical to the flowing direction of the water body, so that the flowing water body flows through each shallow pool unit of the horizontal conveying belt wheel set 4 from the side direction of the horizontal conveying belt wheel set 4; the mud discharging area 103 is internally provided with a mud guiding mechanism 5 which is used for contacting sediments on the surface of the horizontal conveying belt wheel set 4 conveyed in a unidirectional moving mode so as to separate the sediments from the surface of the horizontal conveying belt wheel set 4 and guide the separated sediments to the bottom of the mud discharging area 103. The invention relates to an automatic mud-removing flat sedimentation tank, which adopts horizontal conveying belt wheel sets 4 which are vertically arranged in a layered manner to divide a sedimentation area 101 into a plurality of shallow tank units which are vertically arranged in a layered manner and take the horizontal conveying belts of the horizontal conveying belt wheel sets 4 as bottom plates; when the water body flows through the horizontal conveying belt wheel set 4 along the lateral direction of the horizontal conveying belt wheel set 4, namely, the water body enters each shallow pool unit, the pool height is reduced due to the shallow pool unit, the surface area contacted with suspended particles is indirectly enlarged under the condition of the same volume, the suspended particles in the water body passing through each shallow pool unit can contact the bottom of the shallow pool unit in a short time to form sediments, and the water body has a large enough area for bearing the sediments, so that the removal rate of the suspended particles in the water body is high, and the water body after sedimentation continues to flow towards the water outlet pipe 3 to be discharged. And the removal direction of delivery of horizontal conveyer belt wheelset 4 is perpendicular with the direction of flow of water, and the water flow impact force influences the deposit of horizontal conveyer belt wheelset 4 surface transport for a short time promptly, and be horizontal conveyer belt side and water contact between horizontal conveyer belt wheelset 4 and the water, and the water flows along horizontal conveyer belt's surface, and is little to the hindrance that the water flows to reach the unobstructed purpose of the water outflow after the suspended particles clearance height and deposit, and water purification efficiency is high and water purification is effectual. The sediment that the horizontal transport band wheelset 4 carried the whereabouts deposit is along unidirectional movement and with lead mud mechanism 5 contact and produce the interact for the sediment drops from the bearing of horizontal transport band wheelset 4 and levels the face, and the sediment that drops removes and leads the sediment to mud discharging area 103 to leading mud mechanism 5 orientation because of inertial force and by the guide effect of leading mud mechanism 5. The sediments led out by each shallow pool unit are deposited in the sludge discharge area 103 and uniformly discharged out of the pool body 1, so that the sediments are prevented from reversely suspending and flowing to the water outlet pipe 3 along with the water body. The whole water body precipitation and purification process is completed by the cooperation of mutually vertical water body flowing and the movement and transportation of the horizontal conveying belt wheel set 4, the mutual interference is small, and the ideal application of the shallow pool theory is fully realized. Optionally, a water distribution area for keeping the water body in smooth flowing transition is further arranged between the water inlet area 102 and the settling area 101. Optionally, the output end of the settling zone 101 is further provided with a water collecting tank 8 for blocking suspended particles in the water body and ensuring stable output of the purified water body, and the water outlet pipe 3 is communicated to the water collecting tank 8. The upper opening of the water collecting tank 8 is slightly lower than the water level of the settling zone 101, so as to ensure that the purified water body does not carry solid particles into the water collecting tank 8, and simultaneously avoid turbulence generated when the purified water body is output.
As shown in fig. 3, in the present embodiment, the horizontal conveying pulley set 4 includes a flexible flat conveying belt 401 for receiving sediment formed by falling suspended particles in water with a flat surface and conveying the sediment in a unidirectional movement, a roller 402 for carrying the flexible flat conveying belt 401 and changing the arrangement direction of the flexible flat conveying belt 401 so that the flexible flat conveying belt 401 forms a multi-layer layered structure to vertically divide the sedimentation zone 101 into a plurality of shallow pool units, and a driving device 403 for driving the flexible flat conveying belt 401 to move on the roller 402 in a unidirectional direction. The driving device 403 is positioned outside the tank body 1. The roll shafts 402 are all arranged close to the mud discharge area 103. A flexible flat belt 401 is wound around a drive 403 and a roller 402 and forms a closed endless belt. The mud guide mechanism 5 extends from the mud discharging area 103 to a flexible flat conveyer belt 401 on a roller 402. Optionally, the guide wheel 9 is arranged outside the tank body 1 and/or at the bottom of the sludge discharge ditch 1031 to facilitate the arrangement and steering of the flexible flat conveyer belt 401, so that the flexible flat conveyer belt 401 can avoid the structure of the tank body 1 and other parts in the inner cavity of the tank body 1, and the flexible flat conveyer belt 401 can form a closed annular structure. Alternatively, the flexible flat conveyer 401 may be a rubber conveyer, a chemical fiber conveyer, an elastic plastic conveyer, a polymer elastic conveyer, or a composite conveyer pressed together. The flexible flat conveyer belt 401 has a flat surface, so that the sediment can be prevented from entering parts such as pits, grooves, gaps and corners where the sediment is easy to deposit, and the sediment can be conveniently separated from the surface and can be discharged in a centralized manner. Optionally, the roller 402 is fixedly assembled in the inner cavity of the tank body 1 through a supporting mechanism 7. Optionally, the roller 402 both ends are passed through the position control structure and are assembled on supporting mechanism 7 to conveniently carry out position adjustment to roller 402, ensure that lead mud mechanism 5 and roller 402 can match the setting, and constitute the centre gripping to flexible dull and stereotyped conveyer belt 401, in order to ensure that flexible dull and stereotyped conveyer belt 401 is through leading mud mechanism 5, the sediment on it can break away from flexible dull and stereotyped conveyer belt 401 completely, avoid the long-time siltation of sediment and be difficult to clear away. Optionally, the two ends of the roller 402 are rotatably connected to the wall of the tank body 1. Optionally, the mud guiding mechanism 5 is assembled to the support mechanism 7. Optionally, the supporting mechanism 7 forms a water blocking mechanism at two ends of the mud discharging area 103 along the water flowing direction, so as to prevent the flowing water entering from the water inlet pipe 2 from directly flowing through the mud discharging area 103; and the flowing water body can cause the sediment which falls off from the horizontal conveying belt wheel set 4 in the sludge discharge area 103 and is naturally settled in the sludge discharge area 103 through the sludge guide mechanism 5 to flow along with the water body, so that the sediment cannot be deposited and is discharged from the sludge discharge area 103 in a centralized manner, and the sedimentation and purification of the water body are influenced.
As shown in fig. 3, in the present embodiment, the horizontal conveying pulley group 4 further includes a tensioning mechanism 6 for tensioning the flexible flat conveying belt 401. Utilize straining device 6 to realize the timely tensioning to flexible dull and stereotyped conveyer belt 401 to ensure that flexible dull and stereotyped conveyer belt 401 is the dull and stereotyped sediment that bears, also make things convenient for flexible dull and stereotyped conveyer belt 401 to remove the transportation in-process simultaneously and lead the contact of mud mechanism 5 so that the sediment breaks away from flexible dull and stereotyped conveyer belt 401 surface. The tensioning mechanism 6 includes a fixed pulley 601 which is located near the moving locus of the flexible flat web conveyor 401 and supports the portion to be tensioned on the flexible flat web conveyor 401, and a tensioning pulley 602 which is disposed offset from the moving locus of the flexible flat web conveyor 401 and tensions the portion to be tensioned on the flexible flat web conveyor 401. Alternatively, the setting position of the tension pulley 602 is fixed. Optionally, the setting position of the tension wheel 602 is adjustable, and an adjusting mechanism 603 for adjusting the deviation distance of the tension wheel 602 from the moving track of the flexible flat-plate conveyor belt 401 is connected to the tension wheel 602. Can in time adjust flexible dull and stereotyped conveyer belt 401's tensile force through adjustment mechanism 603, ensure that flexible dull and stereotyped conveyer belt 401 accepts the suspended particles of whereabouts deposit with flat attitude, ensure simultaneously that flexible dull and stereotyped conveyer belt 401 removes the in-process and leads mud mechanism 5 stable cooperation to the realization high efficiency gets rid of the precipitate.
As shown in fig. 2 and 3, in the present embodiment, the horizontal conveying pulley group 4 includes a plurality of rollers 402 arranged in parallel. A plurality of roll shafts 402 are uniformly distributed at the junction of the two sludge discharge areas 103 and the settling area 101. The plurality of rollers 402 commutates the flexible flat belt 401 a plurality of times to form a plurality of shallow pool units within the settling zone 101. The radial dimensions of the rollers 402 may be the same or different. The radial sizes of the roll shafts 402 are the same, so that the distances between the upper layer and the lower layer of the flexible flat conveyer belt 401 are the same, shallow pool units with the same depth are formed, and suspended particles in a water body can stably fall, deposit and discharge. The radial dimensions of the roller shafts 402 vary. Shallow pool units with different depths are formed to facilitate falling and deposition of particles with different radial sizes and effectively prevent suspended particles from flowing along with a water body to the direction of the water outlet pipe 3. When the horizontal conveying pulley group 4 surrounds the roller shafts 402 with different radial sizes, a flexible flat plate 4011 slightly inclined to the horizontal plane can be formed. The inclined angle between the flexible flat 4011 slightly inclined to the horizontal plane and the horizontal plane is less than 30 degrees. By utilizing the flexible flat plate 4011 which is arranged in a micro-inclined manner, the pool depth of the shallow pool unit can be gradually reduced, so that suspended particles with relatively small radial sizes can also fall and deposit, and the content rate of the suspended particles in the water body is further reduced; meanwhile, the flexible flat plate 4011 which is arranged in a slightly inclined manner cannot form the rolling of precipitates, has small blocking effect on the flow of the water body, is not easy to generate turbulent flow, and cannot reduce the outflow speed of the water body.
As shown in fig. 1 and 3, in the present embodiment, each roller shaft 402 corresponds to a set of mud guiding mechanisms 5; or the roll shafts 402 at one end of the horizontal conveying belt wheel set 4 are arranged in one-to-one correspondence with the mud guide mechanisms 5. Optionally, a part of the roller 402 of the horizontal conveying belt wheel group 4 is correspondingly provided with a mud guiding mechanism 5. Can be according to the overall arrangement condition of horizontal conveyer belt wheelset 4 in settling zone 101 and with the water contact condition, select to lead the mode of laying of mud mechanism 5 to do benefit to the realization and lead mud mechanism 5 and the surface contact who removes flexible flat conveyer belt 401 of in-process, reduce the hindrance to the water flow when guaranteeing that the precipitate breaks away from on flexible flat conveyer belt 401, in order to do benefit to the water after the purification and flow out fast.
As shown in fig. 1, 2 and 3, in the present embodiment, a portion of the flexible flat plate conveyor 401 between the roller 402 and the roller 402 is a flexible flat plate 4011 having a flat surface. The flexible flat plate conveyor 401 is passed around two adjacent rollers 402, respectively, to form a flexible flat plate 4011 between the two adjacent rollers 402. Utilize flexible dull and stereotyped 4011 to accept the suspended particle of whereabouts as the bottom plate of shallow pond unit, ensure that the pond is deep to keep unanimous, can improve with the effective area of contact of suspended particle, improve the suspended particle clearance. The flexible flat plate 4011 is vertically provided with a plurality of layers to form a plurality of layers of shallow pool units. The pitches between the flexible flat plates 4011 are the same or different. The distances among the flexible flat plates 4011 are the same, so that the distances between the upper layer and the lower layer of the flexible flat plates 4011 are the same, shallow pool units with the same depth are formed, and suspended particles in a water body can stably fall, deposit and discharge. The intervals between the flexible flat plates 4011 are different, shallow pool units with different depths are formed, so that falling and deposition of particles with different radial sizes are facilitated, and suspended particles are effectively prevented from flowing along with a water body to the direction of the water outlet pipe 3. The roller shafts 402 of the flexible flat plate 4011 in the moving and conveying direction are correspondingly provided with mud guide mechanisms 5. So as to ensure that the deposited sediment is in time contacted with the mud guiding mechanism 5 in the moving and conveying process, thereby realizing the separation and the derivation of the sediment and avoiding the problem that the sediment is difficult to separate and clean due to long sediment deposition time.
As shown in fig. 1, 2 and 3, in this embodiment, the flexible flat plates 4011 are all arranged horizontally. The obstruction to the water body flow can be reduced, and the efficiency of water body deposition, purification and outflow is improved. Optionally, the flexible flat plates 4011 are all obliquely arranged, and an oblique included angle is formed between the flexible flat plates 4011 and a horizontal plane and is smaller than 30 °. By utilizing the flexible flat plate 4011 which is arranged in a micro-inclined manner, the pool depth of the shallow pool unit can be gradually reduced, so that suspended particles with relatively small radial sizes can also fall and deposit, and the content rate of the suspended particles in the water body is further reduced; meanwhile, the flexible flat plate 4011 which is arranged in a slightly inclined manner cannot form the rolling of precipitates, has small blocking effect on the flow of the water body, is not easy to generate turbulent flow, and cannot reduce the outflow speed of the water body. Optionally, part of the flexible flat plate 4011 is obliquely arranged, and an oblique included angle is formed between the flexible flat plate 4011 and a horizontal plane and is smaller than 30 degrees; the partially flexible flat plate 4011 is horizontally arranged. The device can be arranged according to the requirement to precipitate suspended particles with different particle sizes, so that the content of the suspended particles in the water body is further reduced; meanwhile, the flexible flat plate 4011 which is arranged in a slightly inclined manner cannot form the rolling of precipitates, has small blocking effect on the flow of the water body, is not easy to generate turbulent flow, and cannot reduce the outflow speed of the water body.
As shown in fig. 1 and 3, in the present embodiment, the mud guide mechanism 5 includes a mud guide plate 501 provided laterally to the roller shaft 402. The first side of the mud guide plate 501 is lapped on the surface of the flexible flat-plate conveyor belt 401 on the roller shaft 402. The second side of the mud guiding plate 501 is inclined towards the bottom of the mud discharging area 103. To ensure a guiding action for the detached sediment. The overlapping position of the mud guide plate 501 on the flexible flat conveyer belt 401 is in the fitting area of the flexible flat conveyer belt 401 and the roller 402. Optionally, the mud guide plate 501 is fixedly arranged in the tank body 1. The structural stability is better. Optionally, the mud guide plate 501 is rotatably and adjustably connected in the tank body 1. The distance between the mud guide plate 501 and the roller shaft 402 can be adjusted as required to ensure that the mud guide plate 501 can directly act on the sediment on the surface of the flexible flat conveyer belt 401, so that the sediment can be completely separated from the surface of the flexible flat conveyer belt 401 and guided to the mud discharging area 103. Meanwhile, the mud guide plate 501 and the roller shaft 402 are conveniently controlled to form a clamping effect on the passing flexible flat conveyer belt 401, so that sediments are sufficiently separated from the surface of the flexible flat conveyer belt 401.
As shown in fig. 1, fig. 2 and fig. 3, in the present embodiment, a sludge discharge ditch 1031 for collecting and discharging the sediment is provided at the bottom of the sludge discharge area 103. The sludge discharging ditch 1031 discharges the sediments out of the tank body 1 through the perforated sludge discharging pipe 1032.
As shown in fig. 1, 2 and 3, in the present embodiment, the output end of the water inlet region 102 is configured as a paring wall 1021 for slowing down the flow rate of the water and forming a advective water body flowing uniformly to the settling region 101.
The horizontal sedimentation tank is the sedimentation tank which is applied at the earliest and is the most basic of sedimentation theory. The horizontal flow sedimentation tank is a rectangular water tank. When the settling speed of the particles in the water is constant, the removal rate can be improved by increasing the surface area of the sedimentation tank. When the volume of the sedimentation tank is fixed, the shallower the tank is, the larger the surface area is, and the removal rate can be correspondingly improved, namely the shallow tank theory. According to the shallow pool theory, a plurality of layers of flat plates parallel to the horizontal plane are arranged in the sedimentation pool, each layer is a shallow pool, and each flat plate is the bottom of each shallow pool, so that the surface area of the sedimentation pool can be greatly increased, and the removal rate of the sedimentation pool is improved. However, since the sludge on the flat plates is difficult to remove after the particles in the water are settled to each flat plate to form sludge, the flat plate sedimentation tank cannot be applied. In order to solve the sludge discharge problem, the inclined plate and the inclined tube sedimentation tank are carried out at the same time, but the shallow tank theory does not achieve ideal application. The inclined plate sedimentation tank is formed by placing a plurality of inclined plates which form a certain angle (about 60 degrees generally) with the horizontal plane in the sedimentation tank, water flows through the inclined plates, particles are settled on the inclined plates, and automatically slide down to a sludge tank at the bottom of the inclined plate sedimentation tank along the inclined plates and are discharged. The inclined tube sedimentation tank is formed by placing a tubular component (with a rectangular or hexagonal section and the like) which forms a certain angle (generally about 60 degrees) with the horizontal plane in the sedimentation tank, wherein water flows through the inclined tube, particles settle at the bottom of the inclined tube, and then automatically slide down to a sludge tank at the bottom of the sedimentation tank along the inclined tube and are discharged. Because the inclined plates and the inclined pipes in the inclined plate and inclined pipe sedimentation tanks form a certain inclined angle with the horizontal plane, the surface area of the flat plate sedimentation tank parallel to the horizontal plane cannot be reached when the volume of the sedimentation tank is fixed, and the removal rate is lower than that of the flat plate sedimentation tank. Meanwhile, the inclined plate and the inclined tube sedimentation tank have the phenomenon of sludge blockage during operation, and sludge discharge is difficult to achieve an ideal state. Aiming at the ideal situation that the prior sedimentation tank technology cannot reach the shallow tank theory. The technology of the invention aims to solve two problems which prevent the shallow pool theory from being completely realized: firstly, a plurality of laminates parallel to the horizontal plane are placed in a sedimentation tank; secondly, the sludge settled on the laminate must be automatically removed.
When the technology of the invention is implemented, the invention provides an automatic desilting flat sedimentation tank. Nontoxic raw materials such as rubber, chemical fibers and plastics are used as the manufacturing materials of the flat plate (the flexible flat plate conveyer belt 401) in the sedimentation tank, and the plate material of the manufactured flexible flat plate conveyer belt 401 is soft (similar to the conveyer belt on a belt conveyer). The whole plate is bent and superposed into a plurality of flat plates parallel to the water surface, the bent turning positions of the upper and lower layers are supported by the roll shafts, and the whole plate moves at a certain speed in a direction vertical to the water flow direction in the sedimentation tank under the driving of mechanical power. The curved turning positions of the upper and lower layers are provided with mud guide plates 501, and the mud settled on each layer of flat plate is automatically cleared by the mud guide plates 501 in the moving process of the flat plate, slides downwards along the mud guide plates 501 to the mud grooves (mud discharge grooves 1031) on the two sides of the sedimentation tank and is discharged. The automatic desilting flat sedimentation tank created by the technology of the invention completely realizes the application and effect of the shallow tank theory.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic mud-removing flat sedimentation tank comprises a tank body (1), wherein the tank body (1) is provided with a water inlet pipe (2) and a water outlet pipe (3), the water inlet pipe (2) and the water outlet pipe (3) are respectively positioned on two opposite side wall surfaces of the tank body (1),
the water body in the tank body (1) flows from the water inlet pipe (2) to the water outlet pipe (3),
it is characterized in that the preparation method is characterized in that,
the inner cavity of the tank body (1) comprises a settling zone (101) for suspended particles in a water body to fall and settle to form sediments, a water inlet zone (102) which is positioned in the inflow area of the water inlet pipe (2) and used for providing stable advective water body for the settling zone (101), and sludge discharge zones (103) which are positioned on two sides of the flowing water body and used for collecting the sediments from the settling zone (101) so as to discharge the sediments in a centralized manner;
a horizontal conveying belt wheel set (4) which is used for vertically dividing the inner cavity of the settling zone (101) into a plurality of shallow pool units so as to enable suspended particles in the water to fall and settle and convey the sediments in a single direction is arranged in the settling zone (101),
the moving conveying direction of the horizontal conveying belt wheel set (4) is vertical to the water body flowing direction, so that flowing water bodies flow through the shallow pool units of the horizontal conveying belt wheel set (4) from the lateral direction of the horizontal conveying belt wheel set (4);
arrange in mud district (103) be used for with the unidirectional movement carry horizontal conveyer belt wheelset (4) surface deposit contact so that the deposit follow horizontal conveyer belt wheelset (4) surface breaks away from and will break away from deposit direction lead mud mechanism (5) of arranging mud district (103) bottom.
2. The automatic mud removal flat plate settling tank of claim 1,
the horizontal conveying belt wheel set (4) comprises a flexible flat conveying belt (401) for receiving sediments formed by falling suspended particles in water by utilizing a flat surface and carrying the sediments to convey along a unidirectional movement, a roller shaft (402) for carrying the flexible flat conveying belt (401) and changing the arrangement direction of the flexible flat conveying belt (401) so that the flexible flat conveying belt (401) forms a multi-layer layered structure to vertically divide the settling zone (101) into a plurality of shallow pool units, and a driving device (403) for driving the flexible flat conveying belt (401) to move on the roller shaft (402) along a unidirectional direction;
the driving device (403) is positioned outside the tank body (1), the roll shafts (402) are arranged close to the sludge discharge area (103), the flexible flat conveyer belt (401) is wound on the driving device (403) and the roll shafts (402) to form a closed annular belt,
the mud guide mechanism (5) extends from the mud discharge area (103) to the flexible flat conveyer belt (401) on the roller shaft (402) and is arranged.
3. The automatic mud removal flat plate settling tank of claim 2,
the horizontal conveying belt wheel set (4) further comprises a tensioning mechanism (6) for tensioning the flexible flat conveying belt (401);
the tensioning mechanism (6) comprises a fixed wheel (601) which is arranged near the moving track of the flexible flat-plate conveying belt (401) and is used for supporting a part to be tensioned on the flexible flat-plate conveying belt (401), and a tensioning wheel (602) which is arranged in a way of deviating from the moving track of the flexible flat-plate conveying belt (401) and is used for tensioning the part to be tensioned on the flexible flat-plate conveying belt (401);
the setting position of the tension wheel (602) is fixed; or
The setting position of the tension wheel (602) is adjustable, and the tension wheel (602) is connected with an adjusting mechanism (603) for adjusting the deviation distance of the tension wheel (602) from the moving track of the flexible flat-plate conveyor belt (401).
4. The automatic mud removal flat plate settling tank of claim 2,
the horizontal conveying belt wheel set (4) comprises a plurality of roll shafts (402) which are arranged in parallel,
the roll shafts (402) are uniformly distributed at the junction of the two sludge discharge areas (103) and the sedimentation area (101),
a plurality of said rollers (402) reversing said flexible flat conveyor belt (401) a plurality of times to form a plurality of shallow pool units within said settling zone (101);
the radial dimensions of the roll shafts (402) are the same or different.
5. The automatic mud removal flat plate settling tank of claim 4,
each roll shaft (402) corresponds to one group of mud guide mechanisms (5); or
The roll shafts (402) at one end of the horizontal conveying belt wheel set (4) are arranged in one-to-one correspondence with the mud guide mechanisms (5); or
And the roll shaft (402) of the horizontal conveying belt wheel set (4) is correspondingly provided with a mud guide mechanism (5).
6. The automatic mud removal flat plate settling tank of claim 4,
the part of the flexible flat plate conveyor belt (401) between the roller shaft (402) and the roller shaft (402) is a flexible flat plate (4011) with a flat surface,
the flexible flat plates (4011) are vertically provided with a plurality of layers, and the distances between the flexible flat plates (4011) are the same or different;
the roller shafts (402) of the flexible flat plates (4011) in the moving and conveying direction are correspondingly provided with the mud guide mechanisms (5).
7. The automatic mud removal flat plate settling tank of claim 6,
the flexible flat plates (4011) are all horizontally arranged; or
The flexible flat plates (4011) are obliquely arranged, and an oblique included angle is formed between the flexible flat plates (4011) and the horizontal plane and is smaller than 30 degrees; or
Part of the flexible flat plates (4011) are obliquely arranged, and part of the flexible flat plates (4011) are horizontally arranged.
8. The automatic mud removal flat plate settling tank of claim 2,
the mud guide mechanism (5) comprises a mud guide plate (501) arranged on the lateral side of the roll shaft (402), the first side of the mud guide plate (501) is lapped on the surface of the flexible flat conveyer belt (401) on the roll shaft (402), and the second side of the mud guide plate (501) inclines towards the bottom direction of the mud discharging area (103);
the overlapping position of the mud guide plate (501) on the flexible flat conveyer belt (401) is positioned in the attaching area of the flexible flat conveyer belt (401) and the roller shaft (402);
the mud guide plate (501) is fixedly arranged in the pool body (1), or the mud guide plate (501) is rotatably and adjustably connected in the pool body (1).
9. The automatic mud removal flat plate sedimentation tank of any one of claims 1 to 8,
a sludge discharge ditch (1031) for collecting and discharging sediments is arranged at the bottom of the sludge discharge area (103),
the sludge discharge ditch (1031) discharges the sediments out of the tank body (1) through a perforated sludge discharge pipe (1032).
10. The automatic mud removal flat plate sedimentation tank of any one of claims 1 to 8,
the output end of the water inlet area (102) is provided with a water distribution wall (1021) which is used for reducing the flow velocity of the water body and forming advection water body which flows uniformly to the settling area (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638228.1A CN110615513A (en) | 2018-06-20 | 2018-06-20 | Automatic mud-removing flat sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638228.1A CN110615513A (en) | 2018-06-20 | 2018-06-20 | Automatic mud-removing flat sedimentation tank |
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| Publication Number | Publication Date |
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| CN110615513A true CN110615513A (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810638228.1A Pending CN110615513A (en) | 2018-06-20 | 2018-06-20 | Automatic mud-removing flat sedimentation tank |
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Cited By (1)
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| CN112023457A (en) * | 2020-07-14 | 2020-12-04 | 中国市政工程中南设计研究总院有限公司 | Ultra-shallow layer horizontal sedimentation tank |
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