CN114762776B - Advection type grit chamber for sewage treatment and sewage treatment system - Google Patents
Advection type grit chamber for sewage treatment and sewage treatment system Download PDFInfo
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- CN114762776B CN114762776B CN202210060849.2A CN202210060849A CN114762776B CN 114762776 B CN114762776 B CN 114762776B CN 202210060849 A CN202210060849 A CN 202210060849A CN 114762776 B CN114762776 B CN 114762776B
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- sand
- sealing
- tank
- sewage treatment
- sand settling
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- 239000010865 sewage Substances 0.000 title claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 147
- 239000004576 sand Substances 0.000 claims abstract description 106
- 239000010954 inorganic particle Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000013049 sediment Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction 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
- B01D21/02—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
- B01D21/245—Discharge mechanisms for the sediments
-
- 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
- B01D21/30—Control equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention relates to the technical field of sewage treatment and discloses a advection type sand basin for sewage treatment and a sewage treatment system, wherein the advection type sand basin comprises a channel, two sand basins are arranged below the channel, two sand basins are fixedly arranged in the middle of the two sand basins and are respectively provided with a flow rate meter group for measuring the flow rate of water in the channel and judging the stacking height of inorganic particles in the two sand basins, a first sealing plate and a second sealing plate are movably arranged at positions above the middle of the heights of the two sand basins, electric doors are movably arranged at two sides of the two sand basins, and a cleaning pool is arranged outside the two sand basins. This grit chamber has cleared up the bottom through computer control closing plate and electrically operated gate and has not influenced the sand setting again, also can reduce the accumulation of channel exit inorganic particle as far as possible simultaneously and block, improves sewage treatment's efficiency, is opaque material through U shape sealing washer and square sealing washer, and the sealing washer is provided with infrared sensor with the contact point department of sand setting groove, prevents that the structure from droing and leads to sand grain and water to get into inside the machinery.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a advection type grit chamber for sewage treatment and a sewage treatment system.
Background
Sewage refers to effluent from life and production that is contaminated to some extent. The water which loses the original use function is simply called sewage. Mainly is water after being used in life, contains more organic matters and is easy to treat. The sewage is inevitably mixed with the muddy sand in the processes of migration, flow and collection. If sand in the sewage is not settled, separated and removed in advance, the operation of subsequent treatment equipment can be influenced. The most important is that the pump of the wearing machine blocks the pipe network, and interferes with or even damages the biochemical treatment process. The sewage treatment is the process of purifying the sewage to achieve the water quality requirement of being discharged into a certain water body or reused. The grit chamber is indispensable in the sewage treatment process, and is mainly used for removing sand grains with the grain diameter of more than 0.2mm and the density of more than 2.65 t/cubic meter in sewage so as to protect facilities such as pipelines, valves and the like from abrasion and blockage. The working principle is based on gravity separation, so that the water inflow velocity of the grit chamber is controlled, inorganic particles with high specific gravity sink, and organic suspended particles can be taken away along with water flow.
The sand setting pond must clear up after using certain time, otherwise can influence the effect of sand setting, and general advection formula sand setting pond's bottom all can be furnished with sand discharging pipe and sand storage tank, but in the use, the volume of sand storage tank is certain, needs the time change, and sand discharging pipe can drain a large amount of water for sewage can not be handled fully, causes the water source extravagant, simultaneously, if sand discharging pipe blocks, can lead to inorganic granule to pile up, thereby makes sewage treatment not put in place.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a horizontal flow type grit chamber for sewage treatment, which has the advantages of automatic cleaning, uninterrupted work, fault self-checking, improvement of sewage treatment efficiency and the like, and solves the problem that the sewage treatment is not in place due to the increase of inorganic particles at the bottom of the grit chamber.
(II) technical scheme
In order to solve the technical problem that the increase of inorganic particles at the bottom of the grit chamber leads to the insufficient sewage treatment, the invention provides the following technical scheme:
the utility model provides a advection formula grit chamber for sewage treatment, includes the channel, the below of channel is provided with two grit chambers, two the centre of grit chamber is all fixed to be set up with the velocity of flow gauge group, is used for measuring the velocity of flow of channel normal water and judge two inorganic particle piled up height in the grit chamber, two the position activity of the middle upper side of grit chamber height is provided with first closing plate and second closing plate, two the both sides of grit chamber are all actively provided with the electric door, two the grit chamber is provided with the clearance pond outward.
Preferably, two first closing plates are kept away from the equal fixed first cylinder that is provided with in one end both sides of sand settling tank, four first cylinder with the bottom of channel carries out fixed connection through first fixed plate, two first closing plate all runs through the backup pad, two the top surface of first closing plate just is located two the fixed square sealing washer that is provided with in position of sand settling tank.
Preferably, the two square sealing rings are tightly attached to the two first sealing plates and the two second sealing plates, the two square sealing rings are close to the two sides of the inner wall of the sand sediment tank and form slope shapes, and the two square sealing rings are fixedly connected with the sand sediment tank through PC glue.
Preferably, two second sealing plates are fixedly arranged on two sides of one end, far away from the sand settling tank, of each second sealing plate, and a second fixing plate is fixedly arranged on one end, far away from the second sealing plates, of each second cylinder.
Preferably, the sand settling tank is connected with the electric door through a steering engine, a U-shaped sealing ring is fixedly arranged at a gap of the sand settling tank and the electric door, and the U-shaped sealing ring is fixedly connected with the sand settling tank through PC glue.
Preferably, the U-shaped sealing ring and the square sealing ring are made of opaque materials, and an infrared sensor is arranged at the contact point of the U-shaped sealing ring and the sand settling tank and used for detecting whether the U-shaped sealing ring and the square sealing ring are normally installed on the surface of the sand settling tank or not.
Preferably, grooves are formed in two sides, close to the electric door, of the bottom end of the sand settling tank, the grooves are used for accommodating the bottom end of the electric door and preventing inorganic particles from being detained between the sand settling tank and the electric door, and rubber layer films are fixedly arranged on the surfaces of the grooves and used for guaranteeing tightness of the bottoms of the electric door and the sand settling tank.
Preferably, the flowmeter group comprises a first speed measuring propeller, an electric telescopic rod is arranged at the bottom end of the first speed measuring propeller, a second speed measuring propeller is fixedly arranged at one end of the electric telescopic rod away from the first speed measuring propeller, and a fixed block is fixedly arranged at one end of the second speed measuring propeller away from the electric telescopic rod.
Preferably, maintenance doors are arranged at the two sides of the cleaning pool corresponding to the height positions of the two sand settling tanks.
Preferably, the deposited inorganic particles in the sand settling tank are cleaned by using the flowmeter group, the first cylinder, the second cylinder, the steering engine and the electric door, and the method comprises the following steps:
the second speed measuring propeller measures the sewage flow velocity at the bottom of the sand sediment tank in real time;
the second speed measuring propeller feeds the sewage flow velocity at the bottom of the sand sediment tank back to a computer in real time;
the computer controls the position of the first speed measuring propeller according to the sewage flow velocity value at the bottom of the sand sediment tank;
the computer controls the positions of the first sealing plate and the second sealing plate by controlling the first cylinder and the second cylinder according to the sewage flow velocity value at the bottom of the sand sediment tank;
and the computer controls the steering engine to open and close the electric door.
A sewage treatment system using a advection-type grit chamber for sewage treatment as claimed in any one of claims 1 to 8.
(III) beneficial effects
Compared with the prior art, the invention provides a advection type grit chamber for sewage treatment, which has the following beneficial effects:
1. according to the horizontal flow type grit chamber for sewage treatment, the sewage flow rate at the bottom of the grit chamber is measured in real time through the second speed measuring screw, when the height of inorganic particles deposited in the grit chamber is greater than that of the second speed measuring screw, the flow rate measured by the second speed measuring screw is 0, the computer controls the electric telescopic rod to be shortened, so that the first speed measuring screw is positioned below the first sealing plate and the second sealing plate, then the controller controls the first air cylinder and the second air cylinder to extend, so that the first sealing plate and the second sealing plate are mutually closed, the grit chamber is sealed, the sewage above the first sealing plate and the second sealing plate is prevented from continuously flowing into the grit chamber, then the steering engine drives the electric door to be opened, and the inorganic particles deposited in the grit chamber and a small amount of water can directly fall into the cleaning chamber, so that the grit chamber can be cleaned, the sedimentation effect of the grit chamber is prevented from being influenced by the excessively high accumulation of inorganic particles, meanwhile, the accumulation blocking of inorganic particles at the outlet of a channel can be reduced as much as possible, and the sewage treatment efficiency is improved; because the first sealing plate and the second sealing plate are positioned at the upper height position in the sand settling tank, the sand settling tank still has a concave space when the first sealing plate and the second sealing plate are mutually closed, that is to say, the sand settling tank works uninterruptedly during sand discharge, and the operation efficiency is improved.
2. This advection formula grit chamber for sewage treatment is opaque material through U shape sealing washer and square sealing washer, the contact point department of U shape sealing washer, square sealing washer and grit chamber is provided with infrared sensor for detect whether U shape sealing washer and square sealing washer normally install at the grit chamber surface, when U shape sealing washer or square sealing washer break away from with the grit chamber, infrared sensor just can give the computer with the signal of telecommunication, the computer is reported to the police this moment, the staff can in time take remedial measure, prevent that the structure from droing and lead to sand grain and water to get into inside the machinery.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of FIG. 2A in accordance with the present invention;
FIG. 4 is an overall exploded view of the present invention;
FIG. 5 is a cross-sectional view of the present invention;
fig. 6 is a control diagram of the present invention.
In the figure: 1. a channel; 2. a sand sediment tank; 3. a flow rate meter group; 4. a first sealing plate; 5. a second sealing plate; 6. an electric door; 7. cleaning a pool; 8. a first cylinder; 9. a first fixing plate; 10. a support plate; 11. a square sealing ring; 12. a second cylinder; 13. a second fixing plate; 14. steering engine; 15. a U-shaped sealing ring; 16. a groove; 17. a rubber layer film; 18. the first speed measuring propeller; 19. an electric telescopic rod; 20. the second speed measuring propeller; 21. a fixed block; 22. and (5) maintaining the door.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a advection type grit chamber for sewage treatment comprises a channel 1, two grit chambers 2 are arranged below the channel 1, two electric gates 6 are movably arranged at two sides of the two grit chambers 2, a cleaning tank 7 is arranged outside the two grit chambers 2, inorganic particles deposited at the bottom of the grit chambers 2 can be cleaned into the cleaning tank 7 by opening the electric gates 5 when the flow rate measured by the second speed measuring screw 20 is 0, and the inorganic particles in the grit chambers 2 are higher than the second speed measuring screw 20.
Further, the first cylinders 8 are fixedly arranged on two sides of one end of each first sealing plate 4 far away from the sand settling tank 2, so that the first sealing plates 4 can be pushed, the first sealing plates 4 can enter the sand settling tank 2, the bottoms of the sand settling tank 2 are sealed, the four first cylinders 8 are fixedly connected with the bottom ends of the channels 1 through the first fixing plates 9, so that a supporting force is provided for the first cylinders 8, the two first sealing plates 4 penetrate through the supporting plates 10, a supporting force in the vertical direction is provided for the first sealing plates 4, the first sealing plates 4 are prevented from pulling the first cylinders 8 in the vertical direction, the first cylinders 8 are prevented from being pulled out, the top surfaces of the two first sealing plates 4 are fixedly provided with square sealing rings 11 at the positions of the two sand settling tanks 2, the positions of the sand settling tanks 2 below the first sealing plates 4 are guaranteed to be a completely sealed space, and sewage above the sealing plates 4 is prevented from flowing into the lower parts of the sealing plates 4 when the first sealing plates 4 and the second sealing plates 5 are contacted together.
Further, two square sealing rings 11 are tightly attached to two first sealing plates 4 and two second sealing plates 5, two sides of the two square sealing rings 11, which are close to the inner walls of the first sealing plates 4 and the sand tank 2, are in slope shapes, when the first sealing plates 4 and the second sealing plates 5 return to the outside of the sand tank 2 under the tensile force of the first air cylinders 8 and the second air cylinders 12 respectively, the square sealing rings 11 can scrape inorganic particles accumulated on the surfaces of the first sealing plates 4 and the second sealing plates 5 and push the inorganic particles into the sand tank 2, and the edges of the square sealing rings 11 can be tightly attached to the surfaces of the sand tank 2, the first sealing plates 4 and the second sealing plates 5 due to the slope shapes, so that the inorganic particles are prevented from accumulating on the edge parts of the square sealing rings 11, and the two square sealing rings 11 and the sand tank 2 are fixedly connected through PC glue.
Further, the two second sealing plates 5 are fixedly provided with second air cylinders 12 on two sides of one end far away from the sand settling tank 2, so that the second sealing plates 5 can be pushed to enter the sand settling tank 2, and the four second air cylinders 12 are fixedly provided with second fixing plates 13 on one end far away from the second sealing plates 5, so that supporting force is provided for the second air cylinders 12. In addition, in specific application, a rubber layer is fixedly arranged on the contact surface of the second sealing plate 5 and the first sealing plate 4, so that the second sealing plate 5 and the first sealing plate 4 can be completely sealed by extruding the rubber layer between the second sealing plate 5 and the first sealing plate 4, and sewage above the second sealing plate 5 and the first sealing plate 4 is prevented from flowing into the sealing part of the sand settling tank 2 through a gap between the second sealing plate 5 and the first sealing plate 4.
Further, connect through steering wheel 14 between desilting tank 2 and the electrically operated gate 6, when second speed measuring screw 20 survey velocity of flow be 0, thereby computer control first cylinder 8 and second cylinder 12 are elongated, thereby make second closing plate 5 and first closing plate 4 seal the bottom of desilting tank 2, thereby prevent that the sewage of second closing plate 5 and first closing plate 4 top from flowing into in the desilting tank 2, the back is sealed to desilting tank 2 bottom, computer control steering wheel 14 opens electrically operated gate 6, the rotation axis of electrically operated gate is located the top of desilting tank 2, thereby can make the inorganic granule of deposit fall into in the clearance pond 7 smoothly, the gap department of desilting tank 2 and electrically operated gate 6 is fixed and is provided with U-shaped sealing washer 15, carry out fixed connection through PC glue between U-shaped sealing washer 15 and the desilting tank 2, thereby can ensure that when electrically operated gate 6 is not opened, sewage can not flow away through in the gap between electrically operated gate 6 and the desilting tank 2.
Further, the U-shaped sealing ring 15 and the square sealing ring 11 are made of opaque materials, an infrared sensor is arranged at the contact point of the U-shaped sealing ring 15, the square sealing ring 11 and the sand settling tank 2 and used for detecting whether the U-shaped sealing ring 15 and the square sealing ring 11 are normally installed on the surface of the sand settling tank 2, and when the U-shaped sealing ring 15 or the square sealing ring 11 is separated from the sand settling tank 2, the infrared sensor transmits an electric signal to a computer, at the moment, the computer alarms, and workers can timely take remedial measures to prevent sand grains and water from entering the machine caused by falling of the structure.
Further, the recess 16 has been seted up to the both sides that are close to electric door 6 in electric door 2 bottom for hold electric door 6 bottom and prevent inorganic particle and detain between electric door 6 and electric door 2, and the recess can prevent that deposited inorganic particle from falling into the recess, thereby avoid having inorganic particle between electric door 6 and the contact surface of electric door 2, the fixed surface of recess 16 is provided with rubber layer film 17, be used for guaranteeing the leakproofness of electric door 6 and electric door 2 bottom, prevent that sewage in the electric door 2 from flowing out the electric door 2 under the condition that electric door 6 does not open.
Further, the flowmeter group 3 comprises a first speed measuring screw 18, an electric telescopic rod 19 is arranged at the bottom end of the first speed measuring screw 18, a second speed measuring screw 20 is fixedly arranged at one end, far away from the first speed measuring screw 18, of the electric telescopic rod 19, a fixed block 21 is fixedly arranged at one end, far away from the electric telescopic rod 19, of the second speed measuring screw 20, when deposited inorganic particles permeate the second speed measuring screw 20, the flow speed measured by the second speed measuring screw 20 is 0, at the moment, the computer controls the electric telescopic rod 19 to shrink, so that the height of the first speed measuring screw 18 is reduced below the second sealing plate 5 and the first sealing plate 4, and the second sealing plate 5 and the first sealing plate 4 can smoothly contact and seal the bottom of the sand settling tank 2.
Further, maintenance doors 22 are arranged at the two sides of the cleaning pool 7 corresponding to the height positions of the two sand settling tanks 2, and a worker can open the maintenance doors 22 to clean the cleaning pool 7 and clean and maintain the first cylinder 8, the second cylinder 12, the steering engine 14, the electric door 6, the second sealing plate 5 and the first sealing plate 4. In addition, during the specific application, can be according to the external sand discharging pipe that sets up of specific condition in cleaning tank 7 to guarantee the discharge of inorganic granule in the cleaning tank 7.
Further, the deposited inorganic particles in the sand sediment tank 2 are cleaned by using the flowmeter group 3, the first cylinder 8, the second cylinder 12, the steering engine 14 and the electric door 6, and the method comprises the following steps:
the second speed measuring propeller 20 measures the sewage flow rate at the bottom of the sand sediment tank 2 in real time, and converts the flow rate into digital signals to be transmitted to a computer;
the second speed measuring screw propeller 20 feeds the sewage flow velocity at the bottom of the sand sediment tank 2 back to the computer in real time;
the computer controls the position of the first tachometer propeller 18 according to the sewage flow rate value at the bottom of the sand sediment tank 2, when the flow rate measured by the second tachometer propeller 20 is not 0, deposited inorganic particles are not buried in the second tachometer propeller 20, the sand sediment tank 2 is not cleaned, the electric telescopic rod 19 is in an extending state, so that the first tachometer propeller 18 can measure the flow rate of sewage in the channel 1 in real time, when the flow rate measured by the second tachometer propeller 20 is 0, the deposited inorganic particles are not buried in the second tachometer propeller 20, and the computer controls the electric telescopic rod 19 to shorten, so that the first tachometer propeller 18 is positioned below the first sealing plate 4 and the second sealing plate 5;
the computer controls the positions of the first sealing plate 4 and the second sealing plate 5 by controlling the first air cylinder 8 and the second air cylinder 12 according to the sewage flow velocity value at the bottom of the sand sediment tank 2, when the flow velocity measured by the second speed measuring screw 20 is 0, the computer controls the electric telescopic rod 19 to be shortened, so that the first speed measuring screw 18 is positioned below the first sealing plate 4 and the second sealing plate 5, and then the controller controls the first air cylinder 8 and the second air cylinder 12 to extend, so that the first sealing plate 4 and the second sealing plate 5 are mutually closed, the sand sediment tank 2 is sealed, and sewage above the first sealing plate 4 and the second sealing plate 5 is prevented from continuously flowing into the sand sediment tank 2;
the computer controls the steering engine 14 to open and close the electric door 6, and after the steering engine 14 drives the electric door 6 to open, inorganic particles and a small amount of water deposited in the sand sediment tank 2 can directly fall into the cleaning pool 7.
Working principle: when the device is used, sewage flows through the channel 1, when the sewage passes through the sand settling tank 2, inorganic particles with high specific gravity sink under the action of gravity in the water, organic suspended particles can be taken away along with water flow, the first speed measuring screw 18 in the flow meter group 3 can detect the sewage flow rate in the channel 1, the inlet and outlet of the channel can be judged to be blocked by detecting the sewage flow rate in the channel 1, when the deposited height of the inorganic particles in the sand settling tank 2 is lower than that of the second speed measuring screw 20, the flow rate measured by the second speed measuring screw 20 is 0, the computer controls the electric telescopic rod 19 to be shortened, the first speed measuring screw 18 is positioned below the first sealing plate 4 and the second sealing plate 5, then the controller controls the first air cylinder 8 and the second air cylinder 12 to be elongated, so that the first sealing plate 4 and the second sealing plate 5 are mutually closed, the sand settling tank 2 is further sealed, the sewage above the first sealing plate 4 and the second sealing plate 5 is prevented from flowing into the sand settling tank 2, then the steering engine 14 drives the electric door 6 to be opened, a small amount of the inorganic particles in the first sealing plate 4 and the second sealing plate 6 can be cleaned up by the first air cylinder 12, and the second air cylinder 12 can be cleaned up by the first air cylinder 7 and the second air cylinder 12, and the second sealing plate 6 can be cleaned up by the first air cylinder and the second air cylinder 4 and the second air cylinder 6 at the same time.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a advection formula grit chamber for sewage treatment, includes channel (1), its characterized in that: two sand settling tanks (2) are arranged below the channel (1), two sand settling tanks (2) are fixedly provided with an flowmeter group (3) in the middle, the flowmeter group is used for measuring the flow rate of water in the channel (1) and judging the stacking height of inorganic particles in the two sand settling tanks (2), a first sealing plate (4) and a second sealing plate (5) are movably arranged at positions above the middle of the heights of the two sand settling tanks (2), electric doors (6) are movably arranged on two sides of the two sand settling tanks (2), and a cleaning pool (7) is arranged outside the two sand settling tanks (2);
the two first sealing plates (4) are fixedly arranged on two sides of one end, far away from the sand settling tank (2), of each first sealing plate, each first cylinder (8) is fixedly connected with the bottom end of each channel (1) through a first fixing plate (9), each first sealing plate (4) penetrates through a supporting plate (10), and square sealing rings (11) are fixedly arranged on the top surfaces of the two first sealing plates (4) and located at the positions of the two sand settling tanks (2);
the two square sealing rings (11) are tightly attached to the two first sealing plates (4) and the two second sealing plates (5), the two square sealing rings (11) are close to the two sides of the inner walls of the first sealing plates (4) and the sand settling tank (2) and form slopes, and the two square sealing rings (11) are fixedly connected with the sand settling tank (2) through PC glue;
two second sealing plates (5) are fixedly provided with second air cylinders (12) on two sides of one end, far away from the sand settling tank (2), of each second air cylinder (12), and a second fixing plate (13) is fixedly provided on one end, far away from the second sealing plates (5), of each second air cylinder (12);
the electric door is characterized in that the sand settling tank (2) is connected with the electric door (6) through a steering engine (14), a U-shaped sealing ring (15) is fixedly arranged at a gap between the sand settling tank (2) and the electric door (6), and the U-shaped sealing ring (15) is fixedly connected with the sand settling tank (2) through PC glue;
the U-shaped sealing ring (15) and the square sealing ring (11) are made of opaque materials, and infrared sensors are arranged at the contact points of the U-shaped sealing ring (15), the square sealing ring (11) and the sand sediment tank (2) and used for detecting whether the U-shaped sealing ring (15) and the square sealing ring (11) are normally arranged on the surface of the sand sediment tank (2);
grooves (16) are formed in two sides, close to the electric door (6), of the bottom end of the sand sediment tank (2) and are used for accommodating the bottom end of the electric door (6) and preventing inorganic particles from being detained between the sand sediment tank (2) and the electric door (6), and rubber layer films (17) are fixedly arranged on the surfaces of the grooves (16) and are used for guaranteeing the tightness of the bottoms of the electric door (6) and the sand sediment tank (2);
the flowmeter group (3) comprises a first speed measuring screw (18), an electric telescopic rod (19) is arranged at the bottom end of the first speed measuring screw (18), a second speed measuring screw (20) is fixedly arranged at one end of the electric telescopic rod (19) away from the first speed measuring screw (18), and a fixing block (21) is fixedly arranged at one end of the second speed measuring screw (20) away from the electric telescopic rod (19).
2. A advection-type grit chamber for sewage treatment as claimed in claim 1, wherein: maintenance doors (22) are arranged on the two sides of the cleaning pool (7) corresponding to the height positions of the two sand settling tanks (2).
3. A self-cleaning method of a advection grit chamber for wastewater treatment as claimed in any one of claims 1 to 2, wherein: the deposited inorganic particles in the sand sediment tank (2) are cleaned by the aid of the flowmeter group (3), the first air cylinder (8), the second air cylinder (12), the steering engine (14) and the electric door (6), and the method comprises the following steps:
the second speed measuring propeller (20) measures the sewage flow velocity at the bottom of the sand sediment tank (2) in real time;
the second speed measuring screw propeller (20) feeds the sewage flow velocity at the bottom of the sand sediment tank (2) back to a computer in real time;
the computer controls the position of the first speed measuring propeller (18) according to the sewage flow velocity value at the bottom of the sand sediment tank (2);
the computer controls the positions of the first sealing plate (4) and the second sealing plate (5) by controlling the first air cylinder (8) and the second air cylinder (12) according to the sewage flow velocity value at the bottom of the sand sediment tank (2);
the computer controls the steering engine (14) to open and close the electric door (6).
4. A sewage treatment system, characterized in that: the sewage treatment system using a advection type grit chamber for sewage treatment as claimed in any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060849.2A CN114762776B (en) | 2022-01-19 | 2022-01-19 | Advection type grit chamber for sewage treatment and sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060849.2A CN114762776B (en) | 2022-01-19 | 2022-01-19 | Advection type grit chamber for sewage treatment and sewage treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114762776A CN114762776A (en) | 2022-07-19 |
| CN114762776B true CN114762776B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210060849.2A Active CN114762776B (en) | 2022-01-19 | 2022-01-19 | Advection type grit chamber for sewage treatment and sewage treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114762776B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008099004A1 (en) * | 2007-02-15 | 2008-08-21 | Krüger Off-Shore A/S | A grit chamber and a method for controlling the same |
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