CN111892116A - Air floatation machine for treating down production wastewater - Google Patents
Air floatation machine for treating down production wastewater Download PDFInfo
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- CN111892116A CN111892116A CN202010826577.3A CN202010826577A CN111892116A CN 111892116 A CN111892116 A CN 111892116A CN 202010826577 A CN202010826577 A CN 202010826577A CN 111892116 A CN111892116 A CN 111892116A
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- air floatation
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- box
- groove
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000002351 wastewater Substances 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 105
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 238000005188 flotation Methods 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 25
- 210000003746 feather Anatomy 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 41
- 239000002245 particle Substances 0.000 abstract description 17
- 239000002244 precipitate Substances 0.000 abstract description 17
- 238000011045 prefiltration Methods 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 208000034699 Vitreous floaters Diseases 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
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Classifications
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- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- 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)
- Physical Water Treatments (AREA)
Abstract
The invention relates to the field of sewage treatment equipment, in particular to an air flotation machine for treating down production wastewater. Including the air supporting case, air supporting case lower extreme is fixed with the feed liquor case rather than the intercommunication, is provided with solid matter extrusion eduction gear in the feed liquor case, is provided with aeration equipment in the air supporting case, is provided with the chamber of stewing in the air supporting case on aeration equipment right side, and the intracavity of stewing is provided with toggle device, and the air supporting case on chamber right side of stewing is provided with the floater and drags for the device. The invention can pre-filter sewage in the liquid inlet box, filter large-particle precipitates in the sewage, discharge the filtered large-particle precipitates after being extruded, conveniently collect the large-particle precipitates and then concentrate the large-particle precipitates, and the filtered sewage flows through the gaps between the fixed plates, thereby improving the contact area between gas discharged from the exhaust holes and the sewage.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to an air flotation machine for treating down production wastewater.
Background
The water treatment equipment mainly comprises a centrifuge, an aerator, a sludge dehydrator, an air floatation machine and the like, wherein the air floatation machine is a water treatment equipment which generates a large amount of micro bubbles in water by a dissolved air system, leads air to be attached to suspended particles in a highly dispersed micro bubble form to cause the density to be lower than that of the water and floats on the water surface by utilizing the buoyancy principle so as to realize solid-liquid separation, is divided into an ultra-efficient shallow air floatation machine, a cavitation air floatation machine and a laminar air floatation machine, is applied to the treatment of water supply, industrial wastewater and municipal sewage at present, and most of raw water pretreated in the aspects of water supply and drainage is light suspended particles except for some water bodies containing more sand and sewage containing heavier mechanical impurities, such as algae in lakes, reservoirs, and portions of rivers.
The air supporting machine theory of operation is through the surface of tiny bubble with the impurity adsorption to the bubble in the sewage, utilizes the buoyancy of bubble with the outside of impurity discharge air supporting case, but current air supporting machine is because the aeration is not thorough when the air supporting, and impurity can not float completely, generates the sediment easily, and the impurity collection that floats simultaneously is also more troublesome.
Disclosure of Invention
The invention aims to solve the technical problem of providing an air floating machine for treating down feather production wastewater, which can pre-filter sewage, fully aerate the filtered sewage, improve the amount of floaters on the sewage level and conveniently fish the floaters on the sewage level.
In order to achieve the purpose, the invention provides the technical scheme that:
an air floatation machine for treating wastewater generated in down feather production comprises an air floatation treatment box, wherein a liquid inlet box communicated with the air floatation treatment box is fixed at the lower end of the air floatation treatment box, a solid extrusion and discharge device is arranged in the liquid inlet box, an aeration device is arranged in the air floatation treatment box, a standing cavity is arranged in the air floatation treatment box on the right side of the aeration device, a stirring device is arranged in the standing cavity, a floating object fishing device is arranged in the air floatation treatment box on the right side of the standing cavity,
the liquid inlet box is fixed at the lower end of the air floatation treatment box, a liquid inlet pipe is fixed on the left side wall of the liquid inlet box, the liquid inlet pipe penetrates through the left side wall of the liquid inlet box, the solid extrusion and discharge device comprises an extrusion plate arranged in the liquid inlet box in a sliding manner, a telescopic cylinder is fixed on the right side wall of the liquid inlet box, a telescopic rod of the telescopic cylinder penetrates through the right side wall of the liquid inlet box and is fixedly connected with the extrusion plate, the telescopic rod of the telescopic cylinder is in sliding and sealing contact with the right side wall of the liquid inlet box, a second groove is formed in the upper end of the extrusion plate, vertical third grooves are formed in the right ends of the front groove wall and the rear groove wall of the second groove, a dislocation plate is arranged in the liquid inlet box on the right side of the second groove, the dislocation plate is allowed to enter the third groove and block the second groove, transverse polish rods are fixed on the front side and the rear side of the left end of the dislocation plate, the polish, one end of a liquid inlet pipe in the liquid inlet box penetrates through the second groove, one end of the liquid inlet pipe in the liquid inlet box is fixedly provided with a transverse ejector rod, the ejector rod tightly abuts against the dislocation plate, the ejector rod enables a gap allowing liquid to flow out to be formed between one end of the liquid inlet pipe in the liquid inlet box and the dislocation plate, a through hole is formed in the extrusion plate below the second groove, a porous plate and a lower filter screen are detachably fixed in the through hole, a liquid inlet is formed at the lower end of the air floatation treatment box, a through hole communicated with the liquid inlet is formed at the upper end of the liquid inlet box, an upper filter screen is fixed in the,
a second clapboard is fixed in the air-floating treatment box at the right side of the liquid inlet, an aeration device is arranged between the second clapboard and the left side wall of the air-floating treatment box, the aeration device comprises a plurality of vertical hollow fixed plates fixed in the air floatation treatment box, a gap allowing liquid to flow is arranged between every two adjacent fixed plates, a plurality of vent holes are respectively arranged on one opposite sides of every two adjacent fixed plates, the air outlet ends of the vent holes are inclined downwards, a sliding plate is arranged in the lower portion of each fixed plate in a sliding sealing manner, a second spring is fixed between the lower end of each sliding plate and the inner wall of the lower end of each fixed plate, a vertical supporting rod is fixed at the upper end of each fixed plate, a stop block for sealing and plugging the air outlet end of each vent hole is fixed on each supporting rod, the stop block is in sliding sealing contact with the vertical inner wall of each fixed plate, an aerator is fixed at the,
a first clapboard is fixed in the air floatation treatment box at the right side of the second clapboard, the first clapboard and the second clapboard form a standing cavity,
the floater fishing device comprises a first groove arranged at the upper end of a first baffle, an arc-shaped groove is formed in the right side of the bottom of the first groove, the arc-shaped groove is as wide as the first groove, a rotary drum concentric with the arc-shaped groove is connected in a rotary air flotation treatment box on the right side of the first baffle in a rotary mode, a plurality of fishing hoppers are uniformly distributed and fixed on the outer edge of the rotary drum, one ends of the fishing hoppers far away from the rotary drum are in arc shape concentric with the rotary drum, one end of each fishing hopper far away from the rotary drum is in intermittent rotary and sealing contact with the arc surface of the arc-shaped groove, slots are formed in the side wall of each fishing hopper facing the rotary direction of the rotary drum, one side wall of each fishing hopper far away from the rotary,
the floating treatment box below the floater fishing device is internally provided with a conveyor belt, the right end of the conveyor belt penetrates through a material conveying hole on the right side wall of the floating treatment box, and the lower end of the right side wall of the floating treatment box is fixedly provided with a liquid discharge pipe communicated with the conveyor belt.
Specifically, the stripper plate outside and feed liquor box inner wall sliding contact, dislocation board upper end and feed liquor box inner edge upper end sliding contact, the bin outlet has been seted up on feed liquor box lower extreme right side, and the feed liquor box lower extreme can be dismantled and be fixed with the shrouding that is used for carrying out sealed shutoff to the bin outlet.
Specifically, toggle device is including rotating two pivots of connection in the intracavity that stews, and two pivots set up from top to bottom, and equal circumference equipartition is fixed with a plurality of stirring pieces in the pivot.
Specifically, the perforated plate is contacted with and fixedly connected with the opposite end face of the lower filter screen.
Specifically, the section of the salvaging bucket is of a rectangular frame structure, and the front side and the rear side of the salvaging bucket positioned in the arc-shaped groove and the first groove are in rotary sealing connection with the front groove wall and the rear groove wall of the first groove and the arc-shaped groove.
Specifically, the rotary drum is connected with the air floatation treatment box in a rotating and sealing mode and is driven by a motor fixed at the rear end of the air floatation treatment box.
Specifically, the rotating shaft is connected with the air floatation treatment box in a rotating and sealing mode and is driven by a low-speed motor fixed at the rear end of the air floatation treatment box.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure and convenient operation, can pre-filter sewage in the liquid inlet tank, filters large-particle precipitates in the sewage, can discharge the filtered large-particle precipitates after being extruded, is convenient to collect and concentrate the large-particle precipitates, and can lead the filtered sewage to flow through the gap between the fixed plates, thereby improving the contact area between gas discharged from the exhaust holes and the sewage, improving the bubble amount in the sewage, improving the amount of floaters on the sewage liquid level, improving the sewage treatment efficiency and reducing the impurity content in the sewage.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the engagement of the dislocation plate with the compression plate.
Fig. 3 is an enlarged view of the area a in fig. 1.
Fig. 4 is an enlarged view of the region B in fig. 1.
Fig. 5 is an enlarged view of the region C in fig. 1.
Detailed Description
As shown in fig. 1-5, an air floatation machine for treating wastewater from down feather production comprises an air floatation treatment box 11, wherein a liquid inlet box 1 communicated with the air floatation treatment box 11 is fixed at the lower end of the air floatation treatment box 11, a solid extrusion and discharge device is arranged in the liquid inlet box 1, an aeration device is arranged in the air floatation treatment box 11, a standing cavity is arranged in the air floatation treatment box 11 on the right side of the aeration device, a stirring device is arranged in the standing cavity, and a floating object fishing device is arranged in the air floatation treatment box 11 on the right side of the standing cavity.
The liquid inlet box 1 is fixed at the lower end of the air floatation treatment box 11, the right side of the lower end of the liquid inlet box 1 is provided with a discharge port 8, the lower end of the liquid inlet box 1 is detachably fixed with a sealing plate 9 for sealing and plugging the discharge port 8, the left side wall of the liquid inlet box 1 is fixed with a liquid inlet pipe 4, the liquid inlet pipe 4 penetrates through the left side wall of the liquid inlet box 1, the solid extrusion and discharge device comprises an extrusion plate 5 arranged in the liquid inlet box 1 in a sliding manner, the outer side of the extrusion plate 5 is in sliding contact with the inner wall of the liquid inlet box 1, the right side wall of the liquid inlet box 1 is fixed with a telescopic cylinder 3, the telescopic rod of the telescopic cylinder 3 penetrates through the right side wall of the liquid inlet box 1 and is fixedly connected with the extrusion plate 5, the telescopic rod of the telescopic cylinder 3 is in sliding sealing contact with the right side wall of the liquid inlet box 1, the upper end of the extrusion plate 5 is provided with a second groove 28, the right ends of the front and, the upper end of a dislocation plate 10 is in sliding contact with the upper end of the inner edge of a liquid inlet box 1, the dislocation plate 10 is allowed to enter a third groove 29 and block a second groove 28, the front side and the rear side of the left end of the dislocation plate 10 are both fixed with transverse polish rods 30, the polish rods 30 penetrate through a part of a squeezing plate 5 on the left side of the third groove 29, the left end of each polish rod 30 is fixed with a baffle 33, the polish rod 30 between the baffle 33 and the squeezing plate 5 is sleeved with a first spring 32, one end of a liquid inlet pipe 4 in the liquid inlet box 1 penetrates through the second groove 28, one end of the liquid inlet pipe 4 in the liquid inlet box 1 is fixed with a transverse ejector rod 31, the ejector rod 31 tightly abuts against the dislocation plate 10, the ejector rod 31 enables a gap allowing liquid to flow out to be formed between one end of the liquid inlet pipe 4 in the liquid inlet box 1 and the dislocation plate 10, a through hole is formed in the squeezing plate 5 below the second groove 28, a porous plate 6 and a lower filter screen, the lower end of the air floatation treatment box 11 is provided with a liquid inlet 12, the upper end of the liquid inlet box 1 is provided with a through hole communicated with the liquid inlet 12, and an upper filter screen 2 is fixed in the through hole at the upper end of the liquid inlet box 1.
A second clapboard 40 is fixed in the air flotation treatment box 11 at the right side of the liquid inlet 12, an aeration device is arranged between the second clapboard 40 and the left side wall of the air flotation treatment box 11, the aeration device comprises a plurality of vertical hollow fixing plates 34 fixed in the air flotation treatment box 11, a gap allowing liquid to flow is arranged between every two adjacent fixing plates 34, a plurality of vent holes 35 are arranged on one opposite sides of every two adjacent fixing plates 34, the air outlet ends of the vent holes 35 incline downwards, a sliding plate 37 is arranged in the lower part of the fixing plates 34 in a sliding and sealing manner, a second spring 38 is fixed between the lower end of the sliding plate 37 and the inner wall of the lower end of the fixing plate 34, a vertical support rod 36 is fixed at the upper end of the fixing plate 34, a block 39 for sealing and plugging the air outlet end of the vent holes 35 is fixed on the support rod 36, the block 39 is, the air outlet pipe 14 of the aerator 13 is communicated with the inside of the fixing plate 34 through a communication pipe 15.
A first clapboard 18 is fixed in the air flotation treatment box 11 at the right side of the second clapboard 40, and the first clapboard 18 and the second clapboard 40 form a standing cavity. The toggle device comprises two rotating shafts 16 which are rotatably connected in a standing cavity, the rotating shafts 16 are rotatably and hermetically connected with the air floatation treatment box 11, the rotating shafts 16 are driven by low-speed motors fixed at the rear end of the air floatation treatment box 11, the two rotating shafts 16 are vertically arranged, and a plurality of stirring blades 17 are uniformly distributed and fixed on the rotating shafts 16 at equal circumferences.
The floater fishing device comprises a first groove 20 arranged at the upper end of a first clapboard 18, an arc-shaped groove 19 is arranged at the right side of the bottom of the first groove 20, the arc-shaped groove 19 is as wide as the first groove 20, a rotary drum 24 concentric with the arc-shaped groove 19 is connected in the air flotation treatment box 11 at the right side of the first clapboard 18 in a rotating way, the rotary drum 24 is connected with the air flotation treatment box 11 in a rotating and sealing way, the rotary drum 24 is driven by a motor fixed at the rear end of the air flotation treatment box 11, a plurality of fishing hoppers 25 are uniformly distributed and fixed at the outer edge of the rotary drum 24, the section of each fishing hopper 25 is of a rectangular frame structure, one ends of the fishing hoppers 25 far away from the rotary drum 24 are arc-shaped concentric with the rotary drum 24, when the fishing hoppers 25 rotate along with the rotary drum 24, one ends of the fishing hoppers 25 far away from the rotary drum 24 are in intermittent rotating and sealing contact with the arc-shaped surface of the arc-shaped groove 19, when the rotary drum 24 rotates, one end of each of two adjacent fishing buckets 25 far away from the rotary drum 24 is in contact with the cambered surface of the arc-shaped groove 19 at the same time, the side wall of each fishing bucket 25 facing the rotary direction of the rotary drum 24 is provided with a notch 27, the notch 27 is positioned on one side of the fishing bucket 25 far away from the rotary drum 24, the middle part of the side wall of each fishing bucket 25 back to the rotary direction of the rotary drum 24 is provided with a hole, and a filtrate net 26 is fixed in each hole.
A conveyor belt 23 is arranged in the air flotation treatment box 11 below the floater fishing device, the right end of the conveyor belt 23 penetrates through a material conveying hole 21 on the right side wall of the air flotation treatment box 11, and a liquid discharge pipe 22 communicated with the lower end of the right side wall of the air flotation treatment box 11 is fixed at the lower end of the right side wall of the air flotation treatment box 11.
When the air flotation machine is used, sewage enters the liquid inlet box 1 through the liquid inlet pipe 4, the sewage entering the liquid inlet box 1 is filtered by the upper filter screen 2, so that large-particle precipitates in the sewage are intercepted in the liquid inlet box 1 by the upper filter screen 2, and the sewage filtered to be large-particle precipitates enters the air flotation treatment box 11 through the liquid inlet 12 for subsequent treatment. After a certain time, when large-particle precipitates in the liquid inlet tank 1 need to be collected and discharged, the telescopic cylinder 3 is started, so that the telescopic rod of the telescopic cylinder 3 retracts, the telescopic rod of the telescopic cylinder 3 drives the extrusion plate 5 and the dislocation plate 10 to move towards the right side in the liquid inlet tank 1, when the ejector rod 31 is separated from the dislocation plate 10, under the elastic action of the first spring 32, the dislocation plate 10 enters the third groove 29 and plugs the second groove 28, then in the process that the extrusion plate 5 and the dislocation plate 10 move in the liquid inlet tank 1, sewage on the right side of the extrusion plate 5 enters the liquid inlet tank 1 on the left side of the extrusion plate 5 through the lower filter screen 7 and the porous plate 6, the porous plate 6 can improve the strength of the lower filter screen 7, the large-particle precipitates are prevented from deforming and damaging when the lower filter screen 7 extrudes the large-particle precipitates, the large-particle precipitates are extruded and extruded on the right side of the liquid inlet tank 1 by stacking, and then the extruded large-particle precipitates can, when the squeeze board 5 is reduced, after the ejector rod 31 is in contact with the dislocation board 10, the dislocation board 10 is withdrawn from the third groove 29 under the blocking effect of the ejector rod 31, and the ejector rod 31 enables a gap allowing liquid inlet to flow out to be formed between one end of the liquid inlet pipe 4 in the liquid inlet box 1 and the dislocation board 10, so that subsequent liquid inlet is facilitated. After 5 reciprocating motion many times of stripper plate, 5 left sides of stripper plate can remain partial large granule precipitate, when cleaing away the left large granule precipitate of stripper plate 5, with perforated plate 6 with filter screen 7 dismantle the back to 5 left large granule precipitates clear up can down.
The sewage from which large-particle sediments are filtered enters the air floatation treatment tank 11 and then flows through the gap between the fixed plates 34, the aerator 13 is started, the aerator 13 enables gas to enter the fixed plates 34, the gas entering the fixed plates 34 acts on the sliding plates 37, the sliding plates 37 compress the lower shape of the second springs 38, the stop blocks 33 move downwards when the sliding plates 37 move downwards, when the stop blocks 33 are staggered with the air inlet ends of the exhaust holes 35, the gas is discharged from the exhaust holes 35, the sewage is aerated by the gas discharged from the exhaust holes 35, the sewage flows through the gap between two adjacent fixed plates 34 in a flat belt shape, so that the contact area between the sewage and the gas can be increased, the bubble amount in the sewage is increased, the sewage enters the standing cavity for standing after being aerated, the bubbles in the sewage in the standing cavity move upwards and drive the impurities in the sewage to move upwards and then float to the sewage liquid level, starting a motor for driving the rotary drum 34 and the rotary shaft 16, driving the stirring sheet 17 to rotate when the rotary shaft 16 rotates, generating ripples on the sewage level in the standing cavity under the rotation action of the stirring sheet 17, so as to push the floating objects on the sewage level in the standing cavity into the first groove 20 to surge, accelerating the ascending rate of bubbles in the sewage when the stirring sheet rotates, allowing part of the sewage and the floating objects to enter the first groove and then enter the fishing bucket 25 through the slot 27 on the fishing bucket 25, allowing the sewage entering the fishing bucket 25 to flow into the air floatation treatment box 11 on the right side of the first partition plate 18 through the filter liquid net 26 and then to be discharged from the liquid discharge pipe 22 for subsequent treatment, and when the fishing head 25 moves to the right side of the rotary drum 24 and the fishing head 25 is far away from one end of the rotary drum 24 to incline downwards, allowing the floating objects in the fishing head 25 to fall onto the conveyor belt 23 under the action of medium gravity and then to be transported to the outside of the air floatation treatment box 11 along with the rotation of, when the rotary drum 24 rotates, one end of each of the two adjacent fishing buckets 25 far away from the rotary drum 24 is in contact with the arc surface of the arc-shaped groove 19 at the same time, so that the sewage and floating objects discharged from the first groove 20 can be prevented from directly discharging after not entering the fishing buckets 25 and being filtered.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An air floatation machine for treating wastewater generated in down feather production comprises an air floatation treatment box (11), and is characterized in that a liquid inlet box (1) communicated with the air floatation treatment box (11) is fixed at the lower end of the air floatation treatment box (11), a solid extrusion and discharge device is arranged in the liquid inlet box (1), an aeration device is arranged in the air floatation treatment box (11), a standing cavity is arranged in the air floatation treatment box (11) on the right side of the aeration device, a stirring device is arranged in the standing cavity, a floating object fishing device is arranged in the air floatation treatment box (11) on the right side of the standing cavity,
the liquid inlet box (1) is fixed at the lower end of the air floatation treatment box (11), a liquid inlet pipe (4) is fixed on the left side wall of the liquid inlet box (1), the liquid inlet pipe (4) penetrates through the left side wall of the liquid inlet box (1), the solid extrusion and discharge device comprises an extrusion plate (5) which is arranged in the liquid inlet box (1) in a sliding manner, a telescopic cylinder (3) is fixed on the right side wall of the liquid inlet box (1), a telescopic rod of the telescopic cylinder (3) penetrates through the right side wall of the liquid inlet box (1) and is fixedly connected with the extrusion plate (5), the telescopic rod of the telescopic cylinder (3) is in sliding and sealing contact with the right side wall of the liquid inlet box (1), a second groove (28) is formed in the upper end of the extrusion plate (5), vertical third grooves (29) are formed in the front and rear groove walls of the second groove (28), a dislocation plate (10) is arranged in the liquid inlet box (1) on the right side of the second groove (28), the dislocation plate (10) is allowed to enter into the third groove (29) and blocks, horizontal polish rods (30) are fixed on the front side and the rear side of the left end of the dislocation plate (10), the polish rods (30) penetrate through the part of the extrusion plate (5) on the left side of the third groove (29), a baffle (33) is fixed on the left end of the polish rods (30), a first spring (32) is sleeved on the polish rods (30) between the baffle (33) and the extrusion plate (5), one end of a liquid inlet pipe (4) in the liquid inlet box (1) penetrates through the second groove (28), a horizontal ejector rod (31) is fixed on one end of the liquid inlet pipe (4) in the liquid inlet box (1), the ejector rod (31) tightly abuts against the dislocation plate (10), the ejector rod (31) enables a gap allowing liquid to flow out to be formed between one end of the liquid inlet pipe (4) in the liquid inlet box (1) and the dislocation plate (10), a through hole is formed in the extrusion plate (5) below the second groove (28), a porous plate (6) and a lower filter screen (7), a liquid inlet (12) is arranged at the lower end of the air floatation treatment box (11), a through hole communicated with the liquid inlet (12) is arranged at the upper end of the liquid inlet box (1), an upper filter screen (2) is fixed in the through hole at the upper end of the liquid inlet box (1),
a second clapboard (40) is fixed in the air floatation treatment box (11) at the right side of the liquid inlet (12), an aeration device is arranged between the second clapboard (40) and the left side wall of the air floatation treatment box (11), the aeration device comprises a plurality of vertical hollow fixing plates (34) fixed in the air floatation treatment box (11), a gap allowing liquid to flow is arranged between every two adjacent fixing plates (34), a plurality of vent holes (35) are respectively arranged at one opposite side of every two adjacent fixing plates (34), the air outlet end of each vent hole (35) inclines downwards, a sliding plate (37) is arranged in the lower part of each fixing plate (34) in a sliding sealing manner, a second spring (38) is fixed between the lower end of each sliding plate (37) and the inner wall of the lower end of each fixing plate (34), a vertical supporting rod (36) is fixed at the upper end of each fixing plate (34), and a stop block (39) for sealing and blocking, the stop block (39) is in sliding sealing contact with the vertical inner wall of the fixing plate (34), the left end of the air floatation treatment box (11) is fixed with an aerator (13), an air outlet pipe (14) of the aerator (13) is communicated with the inside of the fixing plate (34) through a communicating pipe (15),
a first clapboard (18) is fixed in the air floatation treatment box (11) at the right side of the second clapboard (40), the first clapboard (18) and the second clapboard (40) form a standing cavity,
the floater fishing device comprises a first groove (20) formed in the upper end of a first partition plate (18), an arc-shaped groove (19) is formed in the right side of the bottom of the first groove (20), the arc-shaped groove (19) and the first groove (20) are the same in width, a rotary drum (24) concentric with the arc-shaped groove (19) is connected in a rotary air floating treatment box (11) on the right side of the first partition plate (18) in a rotary mode, a plurality of fishing hoppers (25) are uniformly distributed and fixed on the outer edge of the rotary drum (24), one end, far away from the rotary drum (24), of each fishing hopper (25) is in arc shape concentric with the rotary drum (24), one end, far away from the rotary drum (24), of each fishing hopper (25) is intermittently in rotary and sealing contact with the arc surface of the arc-shaped groove (19), a notch (27) is formed in the side wall, facing the rotary direction of the rotary drum (24), of each fishing hopper (25), one side wall, far away from the rotary drum (24, a filtrate net (26) is fixed in the holes,
a conveyor belt (23) is arranged in the air floatation treatment box (11) below the floater fishing device, the right end of the conveyor belt (23) penetrates through a material conveying hole (21) on the right side wall of the air floatation treatment box (11), and a liquid discharge pipe (22) communicated with the air floatation treatment box (11) is fixed at the lower end of the right side wall of the air floatation treatment box (11).
2. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the outer side of the extrusion plate (5) is in sliding contact with the inner wall of the liquid inlet box (1), the upper end of the dislocation plate (10) is in sliding contact with the upper end of the inner edge of the liquid inlet box (1), the right side of the lower end of the liquid inlet box (1) is provided with a discharge port (8), and the lower end of the liquid inlet box (1) is detachably and fixedly provided with a sealing plate (9) for sealing and plugging the discharge port (8).
3. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the toggle device comprises two rotating shafts (16) rotatably connected in the standing cavity, the two rotating shafts (16) are arranged up and down, and a plurality of stirring blades (17) are uniformly distributed and fixed on the circumference of each rotating shaft (16).
4. An air flotation machine for treating wastewater generated in down feather production as claimed in claim 1, wherein the perforated plate (6) is in contact with and fixedly connected with the opposite end surface of the lower filter screen (7).
5. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the section of the fishing bucket (25) is of a rectangular frame structure, and the front side and the rear side of the fishing bucket (25) positioned in the arc-shaped groove (19) and the first groove (20) are in rotary sealing connection with the front groove wall and the rear groove wall of the first groove (20) and the arc-shaped groove (19).
6. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the rotary drum (24) is connected with the air floatation treatment tank (11) in a rotating and sealing manner, and the rotary drum (24) is driven by a motor fixed at the rear end of the air floatation treatment tank (11).
7. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the rotating shaft (16) is connected with the air floatation treatment box (11) in a rotating and sealing manner, and the rotating shaft (16) is driven by a low-speed motor fixed at the rear end of the air floatation treatment box (11).
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| CN119259238A (en) * | 2024-12-06 | 2025-01-07 | 江苏绿和环境科技有限公司 | A kind of automatic control device for washing and filtering sand of regenerated sand |
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Denomination of invention: An air flotation machine for treating wastewater from down production Effective date of registration: 20230621 Granted publication date: 20220408 Pledgee: Bank of China Limited by Share Ltd. Puyang branch Pledgor: HENAN PENGDA DOWN FEATHER PRODUCTS CO.,LTD. Registration number: Y2023980045128 |
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