Air supporting machine based on high concentration waste water treatment
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an air floatation machine based on high-concentration wastewater treatment.
Background
An air floatation machine based on wastewater treatment is a device for wastewater treatment by utilizing the buoyancy principle, and bubbles are produced to adhere to suspended particles in wastewater, so that the density of the suspended particles is reduced, buoyancy is formed, and the particles float to the water surface, thereby realizing wastewater treatment and purification. This device combines the air supporting technique, is usually used for getting rid of suspended solid, grease and other pollutants in the waste water, and in the air supporting machine, be equipped with and be used for throwing in flocculating agent and coagulant aid, make it react with sewage and produce the reaction chamber of suspended solid to make it, and still be equipped with and be used for throwing in the dissolved air water, make the bubble adhere to the treatment chamber on suspended solid surface, in the upside of treatment chamber, usually still can be provided with scraping mechanism, it includes the scraper blade of circulation rotation, is used for scraping suspended solid on the surface of water to the scum inslot to accomplish the solid-liquid separation in the waste water.
One patent document with the publication number of CN218709354U discloses a wastewater treatment air flotation machine, which comprises a conveyor belt and a dust collection box, wherein the two sides of the conveyor belt are rotationally connected with the inner walls of the two sides of a box body, the top and the bottom of the conveyor belt are fixedly connected with a plurality of scrapers, a first spring is fixedly connected between each scraper and the conveyor belt, the inner wall of the top of the other end of the box body is fixedly connected with the outer wall of one end of the dust collection box, and the outer wall of the top of the other end of the dust collection box is fixedly connected with a first guide plate, so that the purpose of deslagging is realized;
In the scheme, the thickness of the suspended matters depends on the concentration of the suspended matters, particularly in high-concentration wastewater, the thickness distribution of the suspended matters is not uniform enough, the lower side of the existing scraper is highly fixed, the existing scraper is inconvenient to adapt to the thickness of the suspended matters, and in practical use, the problems that firstly, the suspended matters are scraped into a slag groove, the scraping is not thorough enough, the suspended matters left in the treatment room side are easy to shake in the suspended layer floating on the water surface in the hanging process of the scraper, and for the suspended matters below the suspended layer, the shaking is easy to separate bubbles on the surface of the suspended matters, the density of the suspended matters is easy to become large after the bubbles are lost, the phenomenon of sinking occurs, and the sinking position of the suspended matters is a water outlet, so that the sewage treatment degree is poor.
To this end, the invention provides an air flotation machine based on high-concentration wastewater treatment.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The invention provides a high-concentration wastewater treatment-based air flotation machine, which comprises an air flotation machine body, wherein the air flotation machine body comprises a box body, a slag chute for collecting suspended matters is arranged in the box body, a treatment chamber for attaching bubbles to the surface of the suspended matters is arranged in the box body, the treatment chamber is adjacent to the slag chute, and a slag removing mechanism is arranged above the box body;
The slag removing mechanism comprises a conveying assembly, the conveying assembly conveys the slag from bottom to top in an inclined plane, the bottom of the conveying assembly is located on the inner side of the treatment chamber and below the suspension layer, the top of the conveying assembly is located above the slag floating groove, the transmission width of the conveying assembly is consistent with the width of the treatment chamber, and a driving mechanism for driving the slag removing mechanism is arranged on the outer surface of the box body.
Preferably, the conveying assembly comprises a conveying roller B rotatably arranged on the inner wall of the treatment chamber, a conveying roller A rotatably arranged above the slag chute, and a conveying belt sleeved on the surfaces of the conveying roller A and the conveying roller B, wherein a plurality of bulges are arranged on the outer surface of the conveying belt.
Preferably, the upper part of the slag chute and the lower surface of the conveyor belt are attached with a scraping roller which is rotationally arranged, the scraping roller is driven by a driving mechanism, the rotating speed of the outer surface of the scraping roller is greater than the moving speed of the conveyor belt, and the moving direction of the scraping roller and the attaching position of the conveyor belt is opposite.
Preferably, the cleaning mechanism is arranged in the middle of the lower surface of the conveyor belt, the cleaning mechanism comprises a water storage tank arranged below the conveyor belt, two guide rollers A are symmetrically arranged on two sides of the upper surface of the water storage tank along the length direction, a guide roller C and a cleaning roller B are rotatably arranged at the bottom in the water storage tank, the two guide rollers A, the two guide rollers B and the guide roller C are parallel to each other, and the conveyor belt sequentially bypasses the guide roller A, the guide roller C and the other guide roller A.
Preferably, cleaning water is arranged in the water storage tank and is submerged around the lower surface of the conveyor belt at the lower side of the guide roller C, the cleaning roller B is arranged in the cleaning water and is close to the surface of the conveyor belt, which is clung to one side where the scraping roller is located, the cleaning roller B is driven by the driving mechanism, and the rotating speed of the outer surface of the cleaning roller B is larger than the moving speed of the conveyor belt and is opposite to the moving direction of the attaching position of the conveyor belt.
Preferably, the two sides of the conveyor belt are movably attached to the inner walls of the two sides of the water storage tank, and the upper surface of clean water in the water storage tank is separated by the conveyor belt.
Preferably, the side surface of the box body is provided with a water outlet groove and a water inlet groove, the water outlet groove is communicated with the water storage groove, the water inlet groove is communicated with the processing chamber, the water inlet groove is arranged on one side, far away from the slag removing mechanism, of the inner wall of the processing chamber, the vertical height of the water inlet groove is lower than that of the water outlet groove and higher than that of the suspension layer in the box body, and a water guide channel is connected among the outer surface of the box body, the water outlet groove and the water inlet groove.
Preferably, a baffle is arranged in the water outlet tank, a water diffusion port is formed in the surface of the baffle above the cleaning roller B, a water inlet pipe is arranged on the surface of one side of the box body, which is far away from the water guide channel, two ends of the water inlet pipe are respectively communicated with the bottom of the box body and the inner side of the water storage tank, and the surface of the water inlet pipe is connected with a liquid pump.
Preferably, the driving mechanism comprises a motor fixedly arranged on the outer side of the box body, and a belt pulley A, a belt pulley B, a belt pulley C and a belt pulley D which are rotatably arranged on the outer surface of the box body, wherein the belt pulley A is fixedly connected with a rotating shaft of the conveying roller A, the belt pulley B and the belt pulley C are fixedly connected with a rotating shaft of the scraping roller, the belt pulley D is fixedly connected with a rotating shaft of the cleaning roller B, the output end of the motor is in transmission connection with the belt pulley A and the belt pulley B through a belt, the belt pulley C is in transmission connection with the belt pulley D, and the diameter of the belt pulley A is larger than that of the belt pulley B, the belt pulley C and the belt pulley D.
Preferably, the both ends of transfer roller B axis of rotation are connected with an adjustment mechanism respectively, the arc groove of movable mounting adjustment mechanism has been seted up to the inside of box, the radian of seting up of arc groove is the transfer roller B tightening conveyer belt can the activity region, adjustment mechanism is including embedding the connecting piece of sliding arrangement in the intake channel inboard, the both ends of connecting piece are provided with the collar respectively, transfer roller B's axis of rotation rotate install on the collar of leaning on, another the collar in rotate and be provided with the pushing post, one side surface fixedly connected with hydraulic stem of pushing post, the one end fixedly connected with supporting seat of hydraulic stem, the supporting seat is rotated and is installed on the inner wall of box to be in same inclined plane at the both ends of arc groove, the conveyer belt inboard, be close to transfer roller B one side direction roller A's top is fixedly provided with the baffle.
The beneficial effects of the invention are as follows:
1. According to the air flotation machine based on high-concentration wastewater treatment, the scraping roller drives the conveying assembly to work so as to convey suspended matters of the suspended layer in the treatment chamber into the floating slag groove, as the bottom of the conveying assembly is positioned below the suspended layer, the suspended matters forming the suspended layer can completely fall on the conveying surface of the conveying assembly along with the flow of the suspended layer, the suspended matters are fully conveyed to the inner side of the floating slag groove through the conveying surface, the phenomenon that the suspended matters are left after being cleaned insufficiently is avoided, and as the bottom of the conveying assembly is positioned below the suspended layer, the suspended matters fall on the surface of the conveying assembly when the suspended matters are subjected to shaking and lose bubbles and are settled, and the suspended matters are prevented from settling to the bottom of the treatment chamber and are discharged along with the water outlet.
2. According to the air flotation machine based on high-concentration wastewater treatment, the suspended matters adhered to the surface of the conveyor belt are cleaned to the inside of the floating slag groove through the rotation of the scraping roller, so that the surface of the conveyor belt is cleaned, the situation that the suspended matters float on one side of the cleaning water surface in a concentrated manner through the arrangement that the two sides of the conveyor belt are attached to the inner walls of the two sides of the water storage groove along with the movement of the conveyor belt and the upper surface of the cleaning water is separated is avoided, and the suspended matters which are cleaned by the cleaning roller B are prevented from moving to the cleaning water surface on the side of the conveyor belt, so that the floating suspended matters are carried back to the treatment chamber in the water outlet process of the conveyor belt.
3. According to the air flotation machine based on high-concentration wastewater treatment, the position of the connecting piece on the inner side of the arc-shaped groove is adjusted through the expansion and contraction of the hydraulic rod, so that the height of the conveying roller B is convenient to adjust, when the concentration of suspended matters in wastewater in the box body changes to lower the lower side of the suspended layer, the height of the conveying roller B can be properly adjusted, the height of the conveying roller B can be kept under the suspended layer at any time, and the baffle is used for avoiding excessive abrasion caused by the fact that a conveying belt close to the upper surface of the guide roller A on one side of the conveying roller B contacts with the conveyor belt above the guide roller A when the height of the conveying roller B is adjusted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the frontal anatomy of the case of the present invention;
FIG. 3 is a schematic view of the anatomy of the back of the case of the present invention;
FIG. 4 is a schematic view of the slag removal mechanism and suspension layer position structure of the present invention;
FIG. 5 is a schematic view of a connection structure between a cleaning mechanism and a water guide channel according to the present invention;
FIG. 6 is a schematic perspective view of a separator plate according to the present invention;
FIG. 7 is a schematic view of the water level structure in the water storage tank according to the present invention;
FIG. 8 is a schematic view of the connection structure of the adjusting mechanism and the arc-shaped slot of the present invention.
The device comprises a box body, a water outlet tank, a water inlet tank, a13, an arc-shaped tank, a2, a deslagging mechanism, a 21, a conveying belt, a 22, a conveying roller A, a 23, a conveying roller B, a3, a scraping roller, a 4, a cleaning mechanism, a 41, a guide roller A, a 42, a cleaning roller B, a 43, a guide roller C, a 44, a water storage tank, a 45, a partition plate, a 46, a water diffusion port, a 5, a water inlet pipe, a 51, a liquid pump, a 61, a motor, a 62, a belt pulley A, a 63, a belt pulley B, a 64, a belt pulley C, a 65, a belt pulley D, a 7, an adjusting mechanism, a 71, a connecting piece, a 72, a pushing post, a 73, a hydraulic rod, a 74, a supporting seat, a 8, a baffle, a9 and a water guide channel.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1-4, an air flotation machine based on high-concentration wastewater treatment comprises an air flotation machine body, wherein the air flotation machine body comprises a box body 1, a slag chute for collecting suspended matters is arranged in the box body 1, a treatment chamber for attaching bubbles to the surface of the suspended matters is arranged in the box body 1, the treatment chamber is adjacent to the slag chute, and a slag removing mechanism 2 is arranged above the box body 1;
the deslagging mechanism 2 comprises a conveying component, the conveying component is in inclined plane conveying from bottom to top, the bottom of the conveying component is located on the inner side of the treatment chamber and below the suspension layer, the top of the conveying component is located above the floating slag groove, the transmission width of the conveying component is consistent with the width of the treatment chamber, and a driving mechanism for driving the deslagging mechanism 2 is arranged on the outer surface of the box body 1.
Specifically, the scraping roller 3 drives the conveying assembly to work so as to convey the suspended matters of the suspended layer in the processing chamber into the floating slag groove, and as the bottom of the conveying assembly is positioned below the suspended layer, the suspended matters forming the suspended layer can completely fall on the conveying surface of the conveying assembly along with the flow of the suspended layer, the suspended matters are fully conveyed to the inner side of the floating slag groove by the conveying surface, the phenomenon that the suspended matters are left after being cleaned insufficiently is avoided, and as the bottom of the conveying assembly is positioned below the suspended layer, when the suspended matters are subjected to shaking and bubble loss, the suspended matters fall on the surface of the conveying assembly, so that the suspended matters are prevented from settling to the bottom of the processing chamber and are discharged along with the water outlet.
As shown in fig. 1 to 4, the transfer assembly includes a transfer roller B23 rotatably installed at an inner wall of the process chamber, a transfer roller a22 rotatably installed above the slag bath, and a transfer belt 21 sleeved on surfaces of the transfer roller a22 and the transfer roller B23, and the outer surface of the transfer belt 21 is provided with a plurality of protrusions.
Specifically, the conveyer belt 21 is enabled to move through the rotation of the conveyer roller A22 and the conveyer roller B23, suspended matters forming a suspended layer in the processing chamber are discharged through the conveyer belt 21, and the surface of the conveyer belt 21 is convexly arranged, so that the effect of hanging the flock on the surface of the conveyer belt 21 is improved.
As shown in fig. 2-3, a scraping roller 3 is attached to the upper side of the slag chute and the lower surface of the conveyor belt 21, the scraping roller 3 is driven by a driving mechanism, the rotation speed of the outer surface of the scraping roller 3 is greater than the moving speed of the conveyor belt 21, and the moving direction of the attaching position of the scraping roller 3 and the conveyor belt 21 is opposite.
Specifically, the scraping roller 3 rotates to clean suspended matters adhered to the surface of the conveyor belt 21 into the slag chute, so that the surface of the conveyor belt 21 is cleaned, and the suspended matters are prevented from moving along with the conveyor belt 21 and returning to the processing chamber.
As shown in fig. 2-7, a cleaning mechanism 4 is arranged in the middle of the lower surface of the conveyor belt 21, the cleaning mechanism 4 comprises a water storage tank 44 arranged below the conveyor belt 21, two guide rollers a41 are symmetrically arranged on two sides of the upper surface of the water storage tank 44 along the length direction, a guide roller C43 and a cleaning roller B42 are rotatably arranged at the bottom in the water storage tank 44, the two guide rollers a41, the cleaning roller B42 and the guide roller C43 are parallel to each other, and the conveyor belt 21 sequentially bypasses the guide roller a41, the guide roller C43 and the guide roller a41 of the other guide roller;
The cleaning water is arranged in the water storage tank 44 and is submerged around the lower surface of the conveyor belt 21 below the guide roller C43, the cleaning roller B42 is arranged in the cleaning water and is closely attached to the surface of the conveyor belt 21 near the side where the scraping roller 3 is located, the cleaning roller B42 is driven by the driving mechanism, and the rotating speed of the outer surface of the cleaning roller B42 is larger than the moving speed of the conveyor belt 21 and opposite to the moving direction of the attaching position of the conveyor belt 21.
Specifically, by cleaning the surface of the conveyor belt 21 with the cleaning water in the water reservoir 44 and the cleaning roller B42 in the cleaning water, smaller suspended matter is further prevented from adhering to the surface of the conveyor belt 21 and moving back into the processing chamber with the conveyor belt 21.
As shown in fig. 5 to 7, both sides of the conveyor belt 21 are movably attached to inner walls of both sides of the water storage tank 44, and the upper surface of the cleaning water in the water storage tank 44 is partitioned by the conveyor belt 21.
Specifically, through the laminating of conveyer belt 21 both sides and aqua storage tank 44 both sides inner wall, carry out the spaced setting with clean water upper surface for the suspended solid under the cleaning roller B42 is concentrated on the clean water surface of one side, avoids it to remove to the clean water surface of conveyer belt 21 clean water one side, leads to the conveyer belt 21 to go out the water process, brings the suspended solid that floats, moves back to the processing room along with the conveyer belt 21.
As shown in fig. 2-3 and 5-7, a water outlet groove 11 and a water inlet groove 12 are formed in the side surface of the box body 1, the water outlet groove 11 is communicated with a water storage groove 44, the water inlet groove 12 is communicated with the treatment chamber, the water inlet groove 12 is formed in one side of the inner wall of the treatment chamber far away from the deslagging mechanism 2, the vertical height of the water inlet groove 12 is lower than that of the water outlet groove 11 and higher than that of a suspension layer in the box body 1, and a water guide channel 9 is connected between the outer surface of the box body 1, the water outlet groove 11 and the water inlet groove 12;
a baffle 45 is arranged in the water outlet tank 11, a water diffusion port 46 is formed in the surface of the baffle 45 above the cleaning roller B42, a water inlet pipe 5 is arranged on the surface of one side of the box body 1, which is far away from the water guide channel 9, two ends of the water inlet pipe 5 are respectively communicated with the bottom of the box body 1 and the inner side of the water storage tank 44, and a liquid pump 51 is connected to the surface of the water inlet pipe 5.
Specifically, through the setting of baffle 45 for clean water surface in the aqua storage tank 44 has the height, satisfies the lower surface that submerged conveyer belt 21 is in the aqua storage tank 44 inboard, and through the work of liquid pump 51, make inlet tube 5 draw the water of box 1 bottom to the inboard of aqua storage tank 44, make the inboard water of aqua storage tank 44 flow to the direction that baffle 45 is located, then flow to water guide channel 9 through the water diffusion mouth 46, guide water to the processing chamber of box 1 by water guide channel 9 again, with this through the flow of water, the suspended solid migration that is cleared up in the aqua storage tank 44 is to the processing chamber, so as to collect the processing.
As shown in fig. 3, the driving mechanism includes a motor 61 fixedly disposed outside the casing 1, and a pulley a62, a pulley B63, a pulley C64 and a pulley D65 rotatably disposed on the outer surface of the casing 1, the pulley a62 is fixedly connected with the rotation shaft of the conveying roller a22, the pulley B63 and the pulley C64 are fixedly connected with the rotation shaft of the scraping roller 3, the pulley D65 is fixedly connected with the rotation shaft of the cleaning roller B42, the output end of the motor 61 is in transmission connection with the pulley a62 and the pulley B63 via a belt, the pulley C64 is in transmission connection with the pulley D65, and the diameter of the pulley a62 is larger than the diameters of the pulley B63, the pulley C64 and the pulley D65.
Specifically, the motor 61 drives the conveying roller a22, the scraping roller 3 and the cleaning roller B42 to rotate synchronously through a transmission connection relationship, and the diameter of the belt pulley a62 is larger than that of the belt pulley B63, the belt pulley C64 and the belt pulley D65, so that the rotating speeds of the belt pulley B63, the belt pulley C64 and the belt pulley D65 are larger than that of the belt pulley a62, and further the speeds of the scraping roller 3 and the cleaning roller B42 are caused to be larger than that of the conveying roller a 22.
Example two
As shown in fig. 4 and 8, in a first comparative example, two ends of a rotating shaft of a conveying roller B23 are respectively connected with an adjusting mechanism 7, an arc-shaped groove 13 movably provided with the adjusting mechanism 7 is formed in a box 1, the arc of the arc-shaped groove 13 is a movable area where the conveying roller B23 tightens a conveying belt 21, the adjusting mechanism 7 comprises a connecting piece 71 embedded and slidably arranged at the inner side of a water inlet groove 12, two ends of the connecting piece 71 are respectively provided with a mounting ring, the rotating shaft of the conveying roller B23 is rotatably arranged in the upper mounting ring, a pushing post 72 is rotatably arranged in the other mounting ring, one side surface of the pushing post 72 is fixedly connected with a hydraulic rod 73, one end of the hydraulic rod 73 is fixedly connected with a supporting seat 74, the supporting seat 74 is rotatably arranged on the inner wall of the box 1, two ends of the arc-shaped groove 13 are positioned on the same inclined plane, and a baffle 8 is fixedly arranged at the inner side of the conveying belt 21 and above a guide roller a41 near one side of the conveying roller B23.
Specifically, the position of the connecting member 71 inside the arc-shaped groove 13 is adjusted by the expansion and contraction of the hydraulic rod 73, so that the height of the conveying roller B23 is adjusted conveniently, and therefore, when the concentration of suspended matters in the wastewater in the tank 1 changes, resulting in the lower side of the suspended layer becoming lower, the height of the conveying roller B23 can be adjusted appropriately, so that the height of the conveying roller B23 can be kept under the suspended layer at all times;
The baffle 8 is provided to prevent the conveyor belt 21 near the upper surface of the guide roller a41 on the side of the conveyor roller B23 from contacting the upper conveyor belt itself to cause excessive wear when the height of the conveyor roller B23 is adjusted.
The working principle is that the position of the connecting piece 71 at the inner side of the arc-shaped groove 13 is firstly regulated through the expansion and contraction of the hydraulic rod 73, so that the height of the conveying roller B23 is regulated below a suspension layer, then the motor 61 is started, the conveying roller A22, the scraping roller 3 and the cleaning roller B42 are synchronously driven to rotate through a transmission connection relation, the conveying belt 21 is enabled to move through the rotation of the conveying roller A22 and the conveying roller B23, the suspended matters forming the suspension layer in a treatment chamber are responsible for being discharged through the conveying belt 21, the suspended matters adhered to the surface of the conveying belt 21 are responsible for being cleaned to the inside of the floating slag groove through the rotation of the scraping roller 3, the cleaning water in the water storage groove 44 and the rotating cleaning roller B42 clean the surface of the conveying belt 21 in the cleaning water, the suspended matters adhered to the surface of the conveying belt 21 are cleaned to be smaller, then the liquid pump 51 is started to work, the water at the bottom of the box 1 is pumped to the inner side of the water storage groove 44 through the water inlet pipe 5, the water at the inner side of the baffle 45 flows in the direction, the suspended matters forming the suspension layer in the treatment chamber are responsible for being discharged through the conveying belt 21, the suspended matters adhered to the inside the water storage groove 44 are then flows into the water guide groove 9 through the water guide groove 46, and is guided to the inside the water guide groove 9 to the suspended matters in the treatment chamber is cleaned, and the suspended matters are cleaned, and moved into the inside the treatment chamber is treated through the suspended matters inside the suspension tank.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.