CN117164048B - Sludge concentration equipment based on air-floatation concentration - Google Patents
Sludge concentration equipment based on air-floatation concentration Download PDFInfo
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- CN117164048B CN117164048B CN202311449038.2A CN202311449038A CN117164048B CN 117164048 B CN117164048 B CN 117164048B CN 202311449038 A CN202311449038 A CN 202311449038A CN 117164048 B CN117164048 B CN 117164048B
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- dissolving
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- concentration
- sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 70
- 239000010865 sewage Substances 0.000 claims abstract description 79
- 238000000926 separation method Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 238000005188 flotation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000006260 foam Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 230000008093 supporting effect Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Abstract
The invention provides a sludge concentration device based on air floatation concentration, which relates to the field of sewage treatment and comprises: a concentrating apparatus main body; the air entrainment driving piece is fixedly connected to the left lower part of the front end face of the concentration equipment main body; the sludge collection bin is arranged on the right side inside the main body of the concentration equipment, and the sludge outlet is communicated with the sludge collection bin; the sewage bin is arranged on the right side inside the main body of the concentration equipment; a bubble separation mechanism provided at an upper portion inside the main body of the concentration apparatus; the pressurizing and air dissolving mechanism is arranged inside the pressurizing and air dissolving cavity. The full mixing of sewage and gas is realized, the depth of the telescopic scraping plate can be automatically adjusted along with the water level, the working depth of the telescopic scraping plate is adjusted, the adjustable air flotation concentration device has good adjusting capability, and the problems that the existing air flotation concentration device is easy to scrape off the sewage which is not clean or is even under the water level when the water level changes are solved, so that the concentration effect and the working efficiency are influenced.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to sludge concentration equipment based on air floatation concentration.
Background
In the sewage treatment process, air floatation concentration equipment is often used for concentrating sewage, a large number of tiny bubbles are attached to the periphery of sludge particles, the specific gravity of the particles is reduced to forcedly float upwards, and then the floating bubbles are separated from the sewage through a scraper to realize sewage concentration.
For example, the application number is: CN201410403050.4 discloses a floatation sludge concentrating device, including air supporting pond, tank and dissolved air tank, air supporting pond one side is equipped with the mud pipe, and the air supporting pond top is equipped with first conveying chain, and the air supporting pond bottom is equipped with the second conveying chain, and first conveying chain is connected with the second conveying chain through the third conveying chain, all installs the scraper blade on first conveying chain and the second conveying chain, installs the motor on the air supporting pond, and first conveying chain is connected with the motor, and one side of first conveying chain is equipped with the float mud collecting hopper, and second conveying chain below is equipped with the sediment collecting hopper, and float mud collecting hopper one side is equipped with the clear water passageway, and the air supporting pond is connected with the tank through first water pipe and clear water passageway, and the air supporting pond is connected with the tank through dissolved air tank. The invention can effectively improve the concentration effect, has high efficiency, realizes the recycling of the clarified water, and reduces the production cost.
However, the scraper blade is fixed connection on the conveying chain in current air supporting concentrator, so when the water level changes, the condition that the bubble is scraped and is not clean or the sewage of below is scraped together appears easily, influences concentration effect and work efficiency, and current gas and sewage carry out the fusion through the pressure effect simultaneously, and efficiency is lower, influences the air supporting effect, influences work efficiency.
Disclosure of Invention
In view of the above, the invention provides a sludge concentration device based on air flotation concentration, which realizes the full mixing of sewage and gas, improves the flow rate, realizes the stirring of water, enables the gas to be fully mixed, better forms small bubbles, can automatically adjust the depth of a telescopic scraper along with the water level, reduces the entering of sewage at the lower layer into a sludge collection bin, better controls the air bubble separation effect, can adjust the buoyancy of the telescopic scraper according to the requirement, adjusts the working depth of the telescopic scraper, and has good adjusting capability.
The invention provides a sludge concentration device based on air flotation concentration, which specifically comprises the following components: a concentrating apparatus main body;
the air entrainment driving piece is fixedly connected to the left lower part of the front end face of the concentration equipment main body;
the foam scraping driving piece is fixedly connected to the upper part of the rear end face of the concentrating equipment main body;
a sludge outlet which is arranged at the lower part of the rear end surface of the concentration equipment main body;
the pressurizing and dissolving cavity is arranged at the lower part of the left side inside the main body of the concentration equipment;
the air bubble floating cavity is arranged at the left side of the concentrating equipment main body, and the pressurized dissolved air cavity is communicated with the air bubble floating cavity through a control valve at the top;
the separation cavity is arranged in the middle of the main body of the concentration equipment;
the sludge collection bin is arranged on the right side inside the main body of the concentration equipment, and the sludge outlet is communicated with the sludge collection bin;
the sewage bin is arranged on the right side inside the main body of the concentration equipment;
the sewage outlet is arranged on the right side of the main body of the concentration equipment and is communicated with the sewage bin;
a bubble separation mechanism provided at an upper portion inside the main body of the concentration apparatus;
the pressurized air dissolving mechanism is arranged inside the pressurized air dissolving cavity.
Further, a split flow baffle is fixedly connected to the left side inside the main body of the concentrating device, the bubble floating cavity and the separation cavity are separated by the split flow baffle, and openings are formed in the upper portion and the lower portion of the split flow baffle.
Further, two slow flow baffles are arranged at the bottom of the separation cavity, the two slow flow baffles are arranged in a shape like a Chinese character 'hui', the bottom of each slow flow baffle is communicated with the sewage bin through a channel, and a drainage weir plate is arranged inside the sewage bin.
Further, the bottom of the sludge collection bin is of a bevel structure inclined backward, and the lower part of the sludge outlet is flush with the lower part of the bevel of the sludge collection bin.
Further, the bubble separation mechanism comprises:
the first chain wheels are provided with two pieces, the two pieces of first chain wheels are rotationally connected to the upper right side inside the main body of the concentrating equipment, and the two pieces of first chain wheels are simultaneously and fixedly connected with the rotating shaft of the foam scraping driving piece in a coaxial manner;
the second chain wheels are arranged in two parts, the two parts of the second chain wheels are rotatably connected to the upper right side inside the main body of the concentration equipment, the second chain wheels are positioned on the left side of the first chain wheels, and the installation height of the first chain wheels is higher than that of the second chain wheels;
the first chain wheel, the second chain wheel and the third chain wheel on the same side are in common transmission connection with one bubble separation chain, and the first chain wheel, the second chain wheel, the third chain wheel and the bubble separation chain form a chain transmission structure together;
the bubble separation sloping plate is arranged at the upper part of the right side of the separation cavity, and a bubble separation chain at the top of the bubble separation sloping plate is parallel to the bubble separation sloping plate.
Further, the bubble separation mechanism further comprises:
the fixed scrapers are uniformly distributed and fixedly connected between the two bubble separation chains;
the telescopic scraping plate is connected to the outer side of the fixed scraping plate in a sliding manner;
the adjustable air bag is fixedly connected to the side face of the telescopic scraping plate and is of an inflatable organ type air bag structure.
Further, the pressurizing and air dissolving mechanism comprises:
the four groups of gas dissolving telescopic seats are uniformly distributed at the bottom of the pressurizing gas dissolving cavity, and the leftmost part of the gas dissolving telescopic seat is fixedly connected with the main body of the concentrating equipment;
the three groups of the shearing fork structures are connected end to form a three-stage shearing fork structure;
the air dissolving sliding block is connected inside the air dissolving telescopic seat in a sliding way, and is hinged with one end at the rear of the air dissolving connecting rod;
the gas dissolving screw rod is coaxially and fixedly connected to the end part of the rotating shaft of the gas filling driving piece, and the gas dissolving screw rod and the leftmost gas dissolving slide block are in threaded connection to form a screw nut transmission structure.
Further, the pressurizing and air dissolving mechanism further comprises:
the air dissolving rack is fixedly connected to the rear of the air dissolving sliding block;
the gas dissolving cam is rotationally connected to the inner side of the rear part of the gas dissolving telescopic seat and is of an eccentric cylindrical structure;
the gas dissolving gear is coaxially and fixedly connected to the bottom of the gas dissolving cam, and the gas dissolving gear and the gas dissolving rack are meshed to form a gear-rack transmission mechanism together;
the air dissolving sliding seat is connected to the top of the air dissolving telescopic seat in a sliding manner, a square frame structure is arranged at the rear part of the air dissolving sliding seat, and a cam mechanism is jointly formed between the air dissolving cam and the air dissolving sliding seat.
Further, the pressurizing and air dissolving mechanism further comprises:
the water inlet pipe is fixedly connected to the upper part of the dissolved air sliding seat and is connected with an external water inlet pipeline through a flexible pipeline;
the venturi spray heads are uniformly distributed and fixedly connected to the top of the water inlet pipe, and are spray heads of a venturi structure;
the air inlet pipe is fixedly connected inside the Venturi nozzle and connected with an external air inlet pipeline through a flexible pipeline.
Further, the pressurizing and air dissolving mechanism further comprises:
the air guide plate is an arc umbrella-shaped mechanism and is fixedly connected to the outlet of the air inlet pipe.
Advantageous effects
The invention realizes the full mixing of sewage and gas, improves the flow rate, realizes the stirring of water body, ensures that the gas is fully mixed, better forms small bubbles, can automatically adjust the depth of the telescopic scraping plate along with the water level, reduces the entering of sewage at the lower layer into a sludge collection bin, better controls the bubble separation effect, can adjust the buoyancy of the telescopic scraping plate according to the requirement, adjusts the working depth of the telescopic scraping plate, and has good adjusting capability.
In addition, through the shower nozzle that adopts venturi structure, through adopting the air guide piece to make gas appear in the dispersion gets into sewage, realized the intensive mixing of sewage and gas, improved the velocity of flow simultaneously, realized the stirring to the water, make gas intensive mixing, better formation little bubble, and then better realization sludge concentration.
In addition, through adopting tertiary fork mechanism and cam mechanism to realize that the horizontal slip is intake and is admitted air, realized new intake air liquid and the abundant contact of water, promote the formation of little bubble, improved gas utilization rate and work efficiency.
In addition, through adopting flexible scraper blade can follow the degree of depth of the flexible scraper blade of water level automatically regulated, reduce the entering mud collection storehouse of lower floor's sewage, better control bubble separation effect can adjust flexible scraper blade's buoyancy as required through adopting adjustable gasbag, adjusts flexible scraper blade's working depth, has good adjustment ability.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is an external structural schematic diagram of a sludge concentration apparatus based on air-floating concentration according to an embodiment of the present invention.
Fig. 2 is a schematic view of a rear structure of a sludge concentrating apparatus based on air-floating concentration according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure of a sludge concentrating apparatus based on air-floating concentration according to an embodiment of the present invention.
Fig. 4 is a schematic view of a cross-sectional structure A-A in fig. 3 of a sludge concentrating apparatus based on air-floating concentration according to an embodiment of the present invention.
Fig. 5 is an isometric sectional structural schematic drawing of a sludge concentrating apparatus based on air-float concentration according to an embodiment of the present invention.
Fig. 6 is a schematic axial structural view of a bubble separation mechanism of a sludge concentration device based on air flotation concentration according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of an isometric sectional structure of a bubble separation mechanism of a sludge concentration apparatus based on air flotation concentration according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of a transmission structure of a dissolved air telescopic seat of a sludge concentration device based on air flotation concentration according to an embodiment of the invention.
Fig. 9 is a schematic diagram of a dissolved air connecting rod transmission structure of a sludge concentrating device based on air flotation concentration according to an embodiment of the invention.
Fig. 10 is a schematic view of a cross-sectional structure of a venturi nozzle of a sludge concentration apparatus based on air-float concentration according to an embodiment of the present invention.
Fig. 11 is a schematic view of a dissolved air cam structure of a sludge concentrating apparatus based on air flotation concentration according to an embodiment of the present invention.
Fig. 12 is a schematic view of a water inlet pipe structure of a sludge concentrating apparatus based on air flotation concentration according to an embodiment of the present invention.
List of reference numerals
1. A concentrating apparatus main body; 101. a pressurized dissolved air chamber; 102. a bubble float chamber; 103. a shunt baffle; 104. a separation chamber; 105. a bubble separation sloping plate; 106. a drainage weir plate; 107. a sewage outlet; 108. a sludge collection bin; 109. a slow flow baffle; 110. a sludge outlet; 111. a sewage bin; 2. an air entrainment driving member; 201. a dissolved air lead screw; 3. a foam scraping driving piece; 4. a gas dissolving slide block; 401. a gas dissolving rack; 5. a gas dissolving connecting rod; 6. a dissolved air telescopic seat; 7. a gas dissolving cam; 701. a gas dissolving gear; 8. a dissolved air sliding seat; 9. a water inlet pipe; 901. a venturi nozzle; 10. an air inlet pipe; 1001. an air guide sheet; 11. a first sprocket; 12. a second sprocket; 13. a third sprocket; 14. a bubble separation chain; 15. a fixed scraper; 16. a retractable scraper; 17. an adjustable air bag.
Detailed Description
Embodiment one: please refer to fig. 1 to 5:
the invention provides a sludge concentration device based on air floatation concentration, which comprises a concentration device main body 1;
the air entrainment driving piece 2 is fixedly connected to the left lower part of the front end surface of the concentration equipment main body 1;
the foam scraping driving piece 3 is fixedly connected to the upper part of the rear end face of the concentrating equipment main body 1;
a sludge outlet 110, the sludge outlet 110 being provided at a lower portion of a rear end surface of the main body 1 of the concentration apparatus;
a pressurized dissolved air chamber 101, the pressurized dissolved air chamber 101 being provided at the lower left side inside the concentrating apparatus main body 1;
a bubble floating chamber 102, the bubble floating chamber 102 is arranged at the left side of the concentration device main body 1, and the pressurized dissolved air chamber 101 is communicated with the bubble floating chamber 102 through a control valve at the top;
a separation chamber 104, the separation chamber 104 being provided in the middle of the concentration device main body 1;
a sludge collection bin 108, wherein the sludge collection bin 108 is arranged on the right side inside the main body 1 of the concentration device, and a sludge outlet 110 is communicated with the sludge collection bin 108;
a sewage bin 111, the sewage bin 111 being disposed on the right side inside the main body 1 of the concentrating apparatus;
a sewage outlet 107, the sewage outlet 107 is arranged on the right side of the main body 1 of the concentration device, and the sewage outlet 107 is communicated with the sewage bin 111.
Wherein, a reposition of redundant personnel baffle 103 is fixedly connected with in the inside left side of concentrator main part 1, separate through reposition of redundant personnel baffle 103 between bubble floating chamber 102 and the separation chamber 104, the reposition of redundant personnel baffle 103 all is provided with the opening from top to bottom, in use, bubble in the bubble floating chamber 102 float in the back from reposition of redundant personnel baffle 103 top inflow separation chamber 104 after the lower come-up of bubble proportion, the sewage that the interior ratio of bubble floating chamber 102 is great flows into the separation chamber 104 from the reposition of redundant personnel baffle 103 bottom, realize flowing mutually respectively, the mixture of bubble and sewage has been reduced, the convenience separates sewage and bubble.
Wherein, the bottom of separation chamber 104 is provided with two slow flow baffles 109, and two slow flow baffles 109 become the setting of back font, and the bottom of slow flow baffles 109 is linked together with sewage storehouse 111 through the passageway, and sewage storehouse 111 inside is provided with drainage weir plate 106, and in use, the sewage of separation chamber 104 lower part gets into sewage storehouse 111 after passing through slow flow baffles 109, and sewage turns over drainage weir plate 106 and discharges through sewage export 107, has effectively reduced the influence of sewage flow in the separation chamber 104 to the drainage sewage through slow flow baffles 109, reaches better separation effect.
Wherein, the bottom of the sludge collection bin 108 is a bevel structure inclined backward, the lower part of the sludge outlet 110 is flush with the lower part of the bevel of the sludge collection bin 108, and the sludge discharge efficiency is improved by adopting the bevel structure of the sludge collection bin 108.
Specific use and action of the embodiment: in the invention, gas and sewage enter the pressurized dissolved air cavity 101, and sewage with small bubbles is formed in the pressurized dissolved air cavity 101; sewage with small bubbles enters the bubble floating cavity 102 through the control valve, the bubbles in the bubble floating cavity 102 float upwards to the top in a smaller proportion and then flow into the separation cavity 104 from the top of the diversion baffle 103, the sewage with larger specific gravity in the bubble floating cavity 102 flows into the separation cavity 104 from the bottom of the diversion baffle 103, so that the sewage flows respectively, the mixing of the bubbles and the sewage is reduced, the sewage and the bubbles are separated conveniently, the sewage at the lower part of the separation cavity 104 enters the sewage bin 111 after passing through the slow flow baffle 109, the sewage is turned over the drainage weir plate 106 and is discharged through the sewage outlet 107, the influence of the sewage flow in the separation cavity 104 on the discharged sewage is effectively reduced through the slow flow baffle 109, and a better separation effect is achieved.
Embodiment two: please refer to fig. 6 to 7:
on the basis of the first embodiment, the invention provides sludge concentration equipment based on air flotation concentration, which comprises: and a bubble separation mechanism provided at an upper portion inside the concentrator main body 1.
Wherein, bubble separating mechanism includes:
the first chain wheels 11, the first chain wheels 11 are provided with two pieces, the two first chain wheels 11 are rotatably connected to the upper right side inside the concentrating equipment main body 1, and the two first chain wheels 11 are simultaneously and fixedly connected with the rotating shaft of the foam scraping driving piece 3 in a coaxial manner;
the second chain wheel 12, the second chain wheel 12 has two pieces altogether, two pieces of second chain wheels 12 are connected on the upper portion of right side in the main body 1 of the concentration device rotatably, the second chain wheel 12 is located on the left side of the first chain wheel 11, the installation height of the first chain wheel 11 is higher than the installation height of the second chain wheel 12;
the third chain wheel 13 is provided with two pieces, the two pieces of third chain wheel 13 are rotatably connected to the upper right side inside the main body 1 of the concentration device, the third chain wheel 13 is positioned on the left side of the second chain wheel 12, the third chain wheel 13 and the second chain wheel 12 are positioned at the same horizontal level, a bubble separation chain 14 is connected between the first chain wheel 11, the second chain wheel 12 and the third chain wheel 13 on the same side in a common transmission way, and the first chain wheel 11, the second chain wheel 12, the third chain wheel 13 and the bubble separation chain 14 form a chain transmission structure;
the bubble separation sloping plate 105 is arranged at the upper right part of the separation cavity 104, the bubble separation chain 14 at the top of the bubble separation sloping plate 105 is parallel to the bubble separation sloping plate 105, and in use, the bubble scraping driving piece 3 drives a chain transmission structure formed by the first sprocket 11, the second sprocket 12, the third sprocket 13 and the bubble separation chain 14 to move so as to scrape bubbles from the bubble separation sloping plate 105 into the sludge collection bin 108.
Wherein, bubble separating mechanism still includes:
the fixed scrapers 15 are uniformly distributed and fixedly connected between the two bubble separation chains 14;
a telescopic scraper 16, wherein the telescopic scraper 16 is slidably connected to the outer side of the fixed scraper 15;
the adjustable air bag 17, adjustable air bag 17 fixed connection is in the side of flexible scraper blade 16, and adjustable air bag 17 is the organ type gasbag structure of aerifing, in use, has improved the buoyancy of flexible scraper blade 16 in water through adjustable air bag 17, realizes that flexible scraper blade 16 can follow the degree of depth of flexible scraper blade 16 of water level automatically regulated, reduces the entering mud collection storehouse 108 of lower floor sewage, better control bubble separation effect.
Specific use and action of the embodiment: in the invention, the foam scraping driving piece 3 drives a chain transmission structure formed by the first chain wheel 11, the second chain wheel 12, the third chain wheel 13 and the foam separation chain 14 to move, foam is scraped into the sludge collection bin 108 from the foam separation inclined plate 105, meanwhile, the buoyancy of the telescopic scraping plate 16 in water is improved through the adjustable air bag 17, the depth of the telescopic scraping plate 16 can be automatically adjusted along with the water level by the telescopic scraping plate 16, the sewage at the lower layer is reduced to enter the sludge collection bin 108, the foam separation effect is better controlled, and the sludge is better discharged from the sludge outlet 110 under the action of the inclined surface structure of the sludge collection bin 108.
Embodiment III: please refer to fig. 8 to 12:
on the basis of the first embodiment, the invention provides sludge concentration equipment based on air flotation concentration, which comprises: the pressurized air dissolving mechanism is arranged inside the pressurized air dissolving cavity 101.
Wherein, pressurization dissolves gas mechanism includes:
the four groups of the dissolved air telescopic seats 6 are uniformly distributed at the bottom of the pressurizing dissolved air cavity 101, and the left-most dissolved air telescopic seat 6 is fixedly connected with the concentrating equipment main body 1;
the gas dissolving connecting rods 5 are provided with three pairs, two connected gas dissolving telescopic seats 6 are connected through a pair of gas dissolving connecting rods 5, each pair of gas dissolving connecting rods 5 are connected through a cross hinge to form a common process fork mechanism, and three groups of fork structures are connected end to form a three-stage fork structure;
the air dissolving slide block 4 is connected inside the air dissolving telescopic seat 6 in a sliding way, and the air dissolving slide block 4 is hinged with one end behind the air dissolving connecting rod 5;
the air dissolving screw rod 201 is coaxially and fixedly connected to the end part of the rotating shaft of the air adding driving piece 2, and the air dissolving screw rod 201 and the leftmost air dissolving slide block 4 are in threaded connection to form a screw nut transmission structure;
in use, the air-filling driving piece 2 drives the air-dissolving sliding block 4 to slide back and forth through the screw nut transmission structure, the air-dissolving sliding block 4 drives the three-stage type shear fork structure to deform, the three-stage type shear fork structure drives the three air-dissolving telescopic seats 6 to slide left and right at the same time, and meanwhile the distance between the air-dissolving telescopic seats 6 is kept the same.
Wherein, pressurization dissolved air mechanism still includes:
the air dissolving rack 401, the air dissolving rack 401 is fixedly connected to the rear of the air dissolving slide block 4;
the gas dissolving cam 7 is rotationally connected to the inner side of the rear part of the gas dissolving telescopic seat 6, and the gas dissolving cam 7 is of an eccentric cylindrical structure;
the gas dissolving gear 701 is coaxially and fixedly connected to the bottom of the gas dissolving cam 7, and the gas dissolving gear 701 and the gas dissolving rack 401 are meshed to form a gear-rack transmission mechanism together;
the air dissolving sliding seat 8 is connected with the top of the air dissolving telescopic seat 6 in a sliding way, a square frame structure is arranged at the rear part of the air dissolving sliding seat 8, a cam mechanism is jointly formed between the air dissolving cam 7 and the air dissolving sliding seat 8, in use, the air dissolving sliding block 4 drives the air dissolving cam 7 to rotate through a gear rack transmission mechanism while sliding, and the air dissolving cam 7 drives the air dissolving sliding seat 8 to slide back and forth in a reciprocating way through a cam transmission structure.
Wherein, pressurization dissolved air mechanism still includes:
the water inlet pipe 9 is fixedly connected to the upper part of the dissolved air sliding seat 8, and the water inlet pipe 9 is connected with an external water inlet pipeline through a flexible pipeline;
the venturi spray heads 901 are uniformly distributed and fixedly connected to the top of the water inlet pipe 9, and the venturi spray heads 901 are spray heads of a venturi structure;
the air inlet pipe 10, air inlet pipe 10 fixed connection is inside venturi shower nozzle 901, and air inlet pipe 10 is connected with external air inlet pipe through flexible pipeline, and in use, outside sewage gets into inlet tube 9 through flexible pipeline, and after sewage got into venturi shower nozzle 901, realizes the acceleration of sewage and sprays under venturi's effect, and gaseous entering air inlet pipe 10 through flexible pipeline simultaneously, gaseous and sewage mix and accelerate under venturi's effect and spray, has realized gaseous and sewage's intensive mixing.
Wherein, pressurization dissolved air mechanism still includes:
the air guide piece 1001, the air guide piece 1001 is the umbrella-shaped mechanism of cambered surface, and air guide piece 1001 fixed connection is in the exit of intake pipe 10, in use, makes the gas appear dispersing form and gets into in the sewage through the effect of air guide piece 1001, improves sewage and gaseous intensive mixing.
Specific use and action of the embodiment: in the invention, external sewage enters the water inlet pipe 9 through the flexible pipeline, sewage enters the Venturi nozzle 901, gas enters the air inlet pipe 10 through the flexible pipeline, the gas is dispersed to enter the sewage under the action of the air guide sheet 1001, and meanwhile, the gas and the sewage are mixed and accelerated to be sprayed under the action of the Venturi pipe, so that the gas and the sewage are fully mixed; the air entrainment driving piece 2 drives the air dissolving sliding block 4 to slide back and forth through the screw nut transmission structure, the air dissolving sliding block 4 drives the three-stage type scissor structure to deform, the three-stage type scissor structure drives the three air dissolving telescopic seats 6 to slide left and right simultaneously, the air dissolving sliding block 4 drives the air dissolving cam 7 to rotate through the gear rack transmission mechanism while sliding, the air dissolving cam 7 drives the air dissolving sliding seat 8 to slide back and forth through the cam transmission structure, water inflow, air inflow, water outflow and air inflow are realized, good mixing of sewage and air are guaranteed, meanwhile, the sewage and the air form certain pressure, and the sewage and the air form better mixing to form small bubbles under the pressure effect.
Claims (6)
1. A sludge concentrating apparatus based on air-float concentration, comprising: a concentrating device main body (1);
the foam scraping driving piece (3), the foam scraping driving piece (3) is fixedly connected to the upper part of the rear end face of the concentrating equipment main body (1);
a sludge outlet (110), wherein the sludge outlet (110) is arranged at the lower part of the rear end surface of the concentration equipment main body (1);
the device is characterized by comprising an air entrainment driving piece (2), wherein the air entrainment driving piece (2) is fixedly connected to the left lower part of the front end surface of the concentration equipment main body (1);
a pressurized dissolved air chamber (101), the pressurized dissolved air chamber (101) being provided at the lower left side inside the concentrating apparatus main body (1);
the air bubble floating cavity (102), the air bubble floating cavity (102) is arranged at the left side of the concentrating equipment main body (1), and the pressurized dissolved air cavity (101) is communicated with the air bubble floating cavity (102) through a control valve at the top;
a separation chamber (104), wherein the separation chamber (104) is arranged in the middle of the concentration equipment main body (1);
the sludge collection bin (108), the sludge collection bin (108) is arranged on the right side inside the main body (1) of the concentration equipment, and the sludge outlet (110) is communicated with the sludge collection bin (108);
the sewage bin (111) is arranged on the right side inside the concentration equipment main body (1);
a sewage outlet (107), wherein the sewage outlet (107) is arranged on the right side of the concentration equipment main body (1), and the sewage outlet (107) is communicated with the sewage bin (111);
a bubble separation mechanism provided at an upper portion inside the concentration device main body (1);
the pressurized air dissolving mechanism is arranged inside the pressurized air dissolving cavity (101);
the bubble separation mechanism comprises:
the first chain wheels (11) are arranged in two parts, the two first chain wheels (11) are rotatably connected to the upper right side inside the concentrating equipment main body (1), and the two first chain wheels (11) are fixedly connected with the rotating shaft of the foam scraping driving part (3) in a coaxial manner;
the second chain wheels (12) are arranged in two pieces, the two second chain wheels (12) are rotatably connected to the upper right side inside the concentrating equipment main body (1), the second chain wheels (12) are positioned on the left side of the first chain wheels (11), and the installation height of the first chain wheels (11) is higher than that of the second chain wheels (12);
the three chain wheels (13) are arranged in two parts, the two parts of the three chain wheels (13) are rotatably connected to the upper right side inside the concentrating equipment main body (1), the third chain wheels (13) are positioned on the left side of the second chain wheels (12), the third chain wheels (13) and the second chain wheels (12) are positioned at the same horizontal height, a bubble separation chain (14) is connected between the first chain wheels (11), the second chain wheels (12) and the third chain wheels (13) on the same side in a common transmission mode, and the first chain wheels (11), the second chain wheels (12), the third chain wheels (13) and the bubble separation chain (14) form a chain transmission structure;
a bubble separation sloping plate (105), wherein the bubble separation sloping plate (105) is arranged at the upper part of the right side of the separation cavity (104), and a bubble separation chain (14) at the top of the bubble separation sloping plate (105) is parallel to the bubble separation sloping plate (105);
the fixed scraping plates (15) are uniformly distributed and fixedly connected between the two bubble separation chains (14);
the telescopic scraping plate (16) is connected to the outer side of the fixed scraping plate (15) in a sliding mode;
the adjustable air bag (17) is of an inflatable organ type air bag structure, and the adjustable air bag (17) is fixedly connected to the side face of the telescopic scraping plate (16);
the pressurizing and air dissolving mechanism comprises:
the four groups of the dissolved air telescopic seats (6) are uniformly distributed at the bottom of the pressurized dissolved air cavity (101), and the left-most dissolved air telescopic seat (6) is fixedly connected with the concentrating equipment main body (1);
the air dissolving connecting rods (5), wherein three pairs of air dissolving connecting rods (5) are arranged, two connected air dissolving telescopic seats (6) are connected through a pair of air dissolving connecting rods (5), each pair of air dissolving connecting rods (5) are connected through a cross hinge to form a common process fork mechanism, and three groups of fork structures are connected end to form a three-stage fork structure;
the air dissolving sliding block (4), the air dissolving sliding block (4) is connected inside the air dissolving telescopic seat (6) in a sliding way, and the air dissolving sliding block (4) is hinged with one end behind the air dissolving connecting rod (5);
the air dissolving screw rod (201), the air dissolving screw rod (201) is coaxially and fixedly connected to the end part of the rotating shaft of the air adding driving piece (2), and the air dissolving screw rod (201) and the leftmost air dissolving slide block (4) are in threaded connection to form a screw nut transmission structure together;
the air dissolving rack (401), wherein the air dissolving rack (401) is fixedly connected to the rear of the air dissolving sliding block (4);
the air dissolving cam (7) is in an eccentric cylindrical structure, and the air dissolving cam (7) is rotationally connected to the inner side of the rear part of the air dissolving telescopic seat (6);
the gas dissolving gear (701) is coaxially and fixedly connected to the bottom of the gas dissolving cam (7), and the gas dissolving gear (701) and the gas dissolving rack (401) are meshed to form a gear-rack transmission mechanism together;
the air dissolving sliding seat (8), the air dissolving sliding seat (8) is connected with the top of the air dissolving telescopic seat (6) in a sliding way, the rear part of the air dissolving sliding seat (8) is provided with a square frame structure, and a cam mechanism is jointly formed between the air dissolving cam (7) and the air dissolving sliding seat (8).
2. A sludge concentrating apparatus based on air-float concentration as claimed in claim 1, wherein: the device is characterized in that a diversion baffle (103) is fixedly connected to the left side inside the concentration device main body (1), the bubble floating cavity (102) and the separation cavity (104) are separated by the diversion baffle (103), and openings are formed in the upper portion and the lower portion of the diversion baffle (103).
3. A sludge concentrating apparatus based on air-float concentration as claimed in claim 1, wherein: the bottom of separation chamber (104) is provided with two slow flow baffles (109), two slow flow baffles (109) are into back font setting, and the bottom of slow flow baffles (109) is linked together with sewage storehouse (111) through the passageway, and sewage storehouse (111) inside is provided with drainage weir plate (106).
4. A sludge concentrating apparatus based on air-float concentration as claimed in claim 1, wherein: the bottom of the sludge collection bin (108) is of a slope structure inclined backward, and the lower part of the sludge outlet (110) is flush with the lower part of the slope of the sludge collection bin (108).
5. A sludge concentrating apparatus based on air-float concentration as claimed in claim 1, wherein: the pressurizing and air dissolving mechanism further comprises:
the water inlet pipe (9), the water inlet pipe (9) is fixedly connected to the upper part of the dissolved air sliding seat (8), and the water inlet pipe (9) is connected with an external water inlet pipeline through a flexible pipeline;
the venturi nozzle (901) is uniformly distributed and fixedly connected to the top of the water inlet pipe (9);
the air inlet pipe (10), air inlet pipe (10) fixed connection is inside venturi shower nozzle (901), and air inlet pipe (10) are connected with external air inlet pipe through flexible pipeline.
6. A sludge concentrating apparatus based on air flotation concentration as claimed in claim 5 wherein: the pressurizing and air dissolving mechanism further comprises:
the air guide piece (1001) is fixedly connected to the outlet of the air inlet pipe (10) through the air guide piece (1001) of the cambered umbrella-shaped mechanism.
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| CN202311449038.2A CN117164048B (en) | 2023-11-02 | 2023-11-02 | Sludge concentration equipment based on air-floatation concentration |
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