CN114229942A - Slag scraping equipment for sewage treatment air floatation machine - Google Patents
Slag scraping equipment for sewage treatment air floatation machine Download PDFInfo
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- CN114229942A CN114229942A CN202111588150.5A CN202111588150A CN114229942A CN 114229942 A CN114229942 A CN 114229942A CN 202111588150 A CN202111588150 A CN 202111588150A CN 114229942 A CN114229942 A CN 114229942A
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- shell
- distribution pipe
- casing
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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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Floating Material (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a slag scraping device for a sewage treatment air floatation machine, which comprises a shell and a bracket, wherein two end parts of an inner cavity of the shell along the length direction are respectively a first end part and a second end part, a sludge collecting cavity is arranged on the lower side of the first end part of the shell, a scum cavity is arranged at the position, close to the first end part, of the upper part of the outer side of the shell, an air distribution pipe is arranged at the bottom side of the inner cavity of the shell, two ends of the air distribution pipe are respectively provided with a magnetic block, the lower side of the air distribution pipe is connected with the upper end of an extension piece II, the lower end of the extension piece II is provided with a sludge scraping plate, the bracket is positioned above the shell, two ends of the bracket are positioned at two sides of the width direction of the shell, and the positions, corresponding to the two magnetic blocks, of the outer side of the shell are respectively provided with a magnetic block; this sewage treatment air supporting machine is with scraping sediment equipment realizes scraping sediment board and mud scraper synchronous motion, and the simple operation is with low costs, and the support is located the casing outer support and is little to the disturbance of bubble chamber layer to it is convenient to the state detection of gas distribution pipe, and the microbubble is effectual to the flocculation thing adhesion that gives in the sewage.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a slag scraping device for a sewage treatment air floatation machine.
Background
The dissolved air system of the air flotation machine generates a large amount of micro-bubbles in sewage, the micro-bubbles are adhered to suspended particles or flocculates, the density of the suspended particles or the flocculates is smaller than that of water, the suspended particles or the flocculates float on the water surface by utilizing buoyancy, and the existing air flotation machine skims floating slag on the upper part and discharges sand, mud and other heavy objects on the lower part, thereby wasting time and labor due to two-step operation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a slag scraping device for a sewage treatment air floatation machine, which realizes synchronous movement of a slag scraping plate and a mud scraping plate, is convenient and fast to operate and low in cost, has a support positioned outside a shell, has small disturbance on a bubble layer, is convenient to detect the state of an air distribution pipe, has good adhesion effect of micro bubbles on flocs in sewage, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage treatment air supporting machine is with scraping sediment equipment, includes casing and support, and the casing inner chamber is first end and second end respectively along length direction's both ends, and the downside of casing first end is equipped with the mud collection chamber, and the position that casing outside upper portion is close to first end is equipped with the dross cavity.
An air distribution pipe is arranged on the bottom side of the inner cavity of the shell, magnetic suction blocks are mounted at two ends of the air distribution pipe, the lower side of the air distribution pipe is connected with the upper end of the second extension piece, and a mud scraper is mounted at the lower end of the second extension piece.
The support is located casing top and the both ends of support are located casing width direction's both sides, and the position that the casing outside corresponds two magnetism and inhales the piece all is equipped with the magnetic path, and two magnetic paths are connected with the both ends of support respectively, and the middle part of support and the one end of extension piece are connected, and the scum board is installed to the other end of extension piece, installs the driving piece that the drive support removed along casing length direction on the casing.
As a preferred technical scheme of the invention, the resistance meter also comprises a resistance meter, wherein two resistance measuring probes of the resistance meter are vertically arranged in an inner cavity of the shell, and the inner wall of the shell is subjected to insulation treatment.
As a preferred technical scheme of the invention, the first end part of the shell is provided with an accommodating cavity, the accommodating cavity is internally provided with an electric drive disk, a guide pipe is wound on the electric drive disk, and one end of the guide pipe is connected with a water inlet of the air distribution pipe.
As a preferred technical scheme of the invention, a guide invagination groove is arranged at the position of the shell corresponding to the magnetic suction block, and the guide invagination groove is positioned below the resistance measurement probe.
As a preferred technical scheme of the invention, the driving piece comprises a screw rod, a fixed block fixed on the bracket and a driving mechanism arranged outside the shell, an output shaft of the driving mechanism is connected with one end of the screw rod, the screw rod penetrates through the fixed block, and the screw rod is in threaded connection with the fixed block.
As a preferable technical scheme of the invention, a clapboard for dividing the inner cavity of the shell into a first inner cavity and a second inner cavity is arranged in the shell, and the slag scraping plate and the mud scraping plate are both positioned in the first inner cavity.
As a preferred technical scheme of the invention, the side edge of the partition plate is connected with the inner wall of the shell in a sliding and sealing manner, the partition plate slides along the length direction of the shell, the side surface of the partition plate positioned in the second inner cavity is connected with one end of the push rod, and the other end of the push rod penetrates through the shell in a sliding manner and extends out of the shell.
The sewage in the shell enters from the upper part of the shell and flows out from the lower part of the shell, the air distribution pipe moves in a reciprocating mode along the length direction of the shell, micro bubbles formed by the air distribution pipe form a plurality of bubble layers which are spaced above and below the sewage in the shell, and a scum layer floats on the upper part of the sewage.
The controller is electrically connected with the first extension piece, the second extension piece and the driving mechanism respectively.
As a preferable technical scheme of the invention, a water distribution pipe is arranged at the position of the side surface of the slag scraping plate facing the second end part of the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the slag scraping device for the sewage treatment air floatation machine disclosed by the invention realizes synchronous movement of the slag scraping plate and the mud scraping plate, is convenient to operate and low in cost, and the bracket is positioned outside the shell and has small disturbance on the air bubble layer.
2. According to the slag scraping device for the sewage treatment air floatation machine, disclosed by the invention, sewage only flows out when the slag scraping plate moves towards the first end, so that the influence of inflow water on a scum layer is reduced, the water outlet speed of the water distribution pipe is adjusted to be close to the moving speed of the slag scraping plate, and static inflow is realized, and the disturbance of inflow water on the sewage is reduced.
3. According to the slag scraping equipment for the sewage treatment air floatation machine, on one hand, after flocs pass through a layer of bubble layer, the downward end of the flocs is adhered with micro bubbles, the flocs with larger volume are turned over by the buoyancy of the micro bubbles, so that the positions with less adhered micro bubbles, namely the positions with small buoyancy, are downward, the flocs are convenient to adhere bubbles, and the air floatation effect on the flocs is ensured; on the other hand, when the gas distribution pipe is partially blocked, a gap or a weak position appears on a formed bubble layer, the resistance between the upper side and the lower side of the bubble layer is reduced, the working state of the gas distribution pipe can be judged by detecting the lowest resistance value of the bubble layer through the resistance meter, and the working state of the gas distribution pipe is convenient to detect; on the other hand, when the flow speed of the sewage entering the shell is reduced, the position of the partition plate in the shell is adjusted, the horizontal section of the first inner cavity of the shell is reduced, the descending speed of the sewage in the shell is maintained in a set range, and the length of the air distribution pipe required to be provided with the air bubble layer at a time is shortened, so that the power consumption required by the air distribution pipe is reduced.
Drawings
FIG. 1 is a schematic view of a structure according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a partial cross-sectional structural schematic of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is a schematic structural diagram of the working state of the present invention;
FIG. 6 is a schematic structural diagram of another embodiment of the present invention.
In the figure: the device comprises a push rod 1, a screw rod 2, a shell 3, a magnetic block 4, a driving mechanism 5, a partition plate 6, an extension piece I7, a scum board 8, a resistance measuring probe 9, a magnetic attraction block 10, a scum cavity 11, a guide pipe 12, a motorized disc 13, a support 14, an extension piece II 15, a scum board 16, a gas distribution pipe 17, a bubble layer 18, a scum layer 19, a controller 20, a water distribution pipe 21, a spherical shell 22 and an overflow shell 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-5, the present embodiment discloses a slag scraping apparatus for a sewage treatment air floating machine, which includes a bracket 14 and a housing 3 with an opening at the upper end, the two ends of the inner cavity of the housing 3 along the length direction are respectively a first end and a second end, a sludge collecting cavity is disposed at the lower side of the first end of the housing 3, a scum cavity 11 is disposed at the upper portion of the outer side of the housing 3 near the first end, and a concave slag discharging groove is disposed at the upper edge of the housing 3 near the scum cavity 11.
The bottom side of the inner cavity of the shell 3 is provided with an air distribution pipe 17, the air distribution pipe 17 is provided with a plurality of aeration micropores communicated with the inside and the outside of the air distribution pipe 17, the air distribution pipe 17 is arranged in the shell 3 along the width direction of the shell 3, the magnetic suction blocks 10 are arranged at two ends of the air distribution pipe 17, the lower side of the air distribution pipe 17 is connected with the upper end of the second extension piece 15, the lower end of the second extension piece 15 is provided with a mud scraper 16, the second extension piece 15 extends to enable the mud scraper 16 to be in contact with the bottom side of the shell 3 and enable the mud scraper 16 to move towards a mud collection cavity, the mud scraper 16 is convenient to scrape sediment deposited at the bottom side of the shell 3 into the mud collection cavity, the bottom sides of the second extension piece 15 and the mud scraper 16 and the shell 3 are in contact with each other, the mud scraper 16 is convenient to move back, and the sediment at the bottom side of the shell 3 is collected into the mud collection cavity in a single direction.
The embodiment also comprises an ohmmeter positioned outside the shell 3, two resistance measurement probes 9 of the ohmmeter are vertically arranged in an inner cavity of the shell 3, the inner wall of the shell 3 is subjected to insulation treatment, the inner wall of the shell 3 is provided with an insulating plastic attached layer or an insulating ceramic attached layer, on one hand, the corrosion resistance of the shell 3 is increased, on the other hand, the ohmmeter is ensured to detect the integrity of a bubble layer between the two resistance measurement probes 9, the two resistance measurement probes 9 are arranged below, and the error caused by adhesion of micro-bubbles to flocs is reduced by measuring a plurality of bubble layers at the lowest layer as much as possible.
Specifically, as shown in fig. 2, a first end of the housing 3 is provided with an accommodating cavity, an electric drive disk 13 is arranged in the accommodating cavity, a guide tube 12 is wound on the electric drive disk 13, and one end of the guide tube 12 is connected with a water inlet of the air distribution tube 17.
The position that the piece 10 is inhaled to casing 3 correspondence magnetism is equipped with the direction indent groove, and the direction indent groove is located the below of resistance measurement probe 9, and the piece 10 is inhaled to magnetism slides in the direction indent groove, guarantees that the microbubble that gas distribution pipe 17 laid contacts 3 inner wall width direction's of casing both sides and avoids gas distribution pipe 17 to move from top to bottom.
Wherein, sewage in the inner cavity of the shell 3 enters from the upper part and flows out from the lower part, the air distribution pipe 17 moves in a reciprocating way along the length direction of the shell 3, micro bubbles formed by the air distribution pipe 17 form a plurality of bubble layers 18 which are spaced above and below the sewage in the shell 3, and a scum layer 19 floats on the upper part of the sewage.
The present embodiment further includes a controller electrically connected to the first extension 7, the second extension 15, and the driving mechanism 5, respectively, to control the operation of the first extension 7, the second extension 15, and the driving mechanism 5.
Preferably, a water distribution pipe 21 is installed at a position of the side surface of the slag scraping plate 8 facing the second end of the shell 3, wherein the water distribution pipe 21 is arranged along the length direction of the slag scraping plate 8, the water distribution pipe 21 is close to the water surface of the sewage in the shell 3, a plurality of water outlets are preferably arranged on the water distribution pipe 21, and the water distribution pipe 21 is connected with an external sewage water supply pipe.
The first extension piece 7 is a waterproof electric telescopic rod or a waterproof linear motor; the second extension piece 15 is a waterproof electric telescopic rod or a waterproof linear motor.
The controller is an integrated circuit board, a PLC controller, an industrial computer or a singlechip which are commonly used in industrial control in the prior art.
The ohmmeter is an electrical instrument in the prior art, and is commonly used for measuring the resistance value of a resistor.
The magnetic block 10 is made of magnet material or iron material.
The electric disc 13 is a common electric pipe collecting disc in the prior art, a cable, a motor and a cable joint of the electric disc are all subjected to waterproof treatment or are of a waterproof type, the electric disc 13 collects and collects the guide pipe 12, one end of the guide pipe 12 is connected with an external overpressure gas dissolving water pipe through a rotary joint arranged on the electric disc 13, and the external overpressure gas dissolving water pipe penetrates through the shell 3 and the penetrating position of the external overpressure gas dissolving water pipe is subjected to waterproof treatment.
The ohmmeter, the controller, the first extension 7, the second extension 15, the electric disc 13 and the like used in the present invention are common electronic components in the prior art, and the operation mode and the circuit structure thereof are well known technologies and will not be described herein.
The working process and principle of the embodiment are as follows:
the sewage in the inner cavity of the shell 3 flows in from the upper part thereof, is purified by the micro-bubbles and flows out from the lower part thereof.
The driving piece drives the support 14 and the magnetic block 4 to reciprocate along the length direction of the shell 3, the magnetic block 4 drives the air distribution pipe 17 to reciprocate along the length direction of the shell 3 through the magnetic absorption block 10, external overpressure gas-dissolved water enters the air distribution pipe 17 and is sprayed out through aeration micropores on the air distribution pipe 17, micro bubbles of 1000 microns are formed at the bottom of sewage of the shell 3, bubbles with the size of 100 microns float upwards for about 3mm/s per second, the sewage in the shell moves downwards, and the theoretical still water moving speed of the bubbles minus the downward moving speed of the sewage is equal to the actual floating speed of the micro bubbles.
The sewage flows into the water distribution pipe 21 from an external sewage supply pipe and flows into the surface layer of the sewage in the shell 3, and the sewage only flows out when the scum board 8 moves to the first end part, so that the influence of the inflow on the scum layer 19 is reduced, the water outlet speed of the water distribution pipe 21 is adjusted to be close to the moving speed of the scum board 8, and the static inflow is realized and the disturbance of the inflow on the surface layer of the sewage is reduced.
The driving piece drives support 14, magnetic path 4 along the length direction reciprocating motion of casing 3, and magnetic path 4 drives gas distribution pipe 17 through magnetism piece 10 and along the length direction reciprocating motion of casing 3, forms in the sewage in the messenger casing 3 and is no less than three-layer bubble layer 18, and the flocculation thing in the sewage passes through bubble layer 18, and the bubble in the different bubble layer 18 constantly floats upward and contacts the flocculation thing.
Floc needs more microbubble to come up when appearing the great floc of volume in current air supporting machine sewage, and the floc in the existing equipment is in the microbubble environment always, and the floc is difficult for overturning, makes its upper portion under the floating state difficult adhesion microbubble or adhesion quantity few, is difficult for the come-up.
In the invention, after flocs pass through the bubble layer 18, more micro-bubbles are adhered to the downward end of the flocs, and the buoyancy of the micro-bubbles turns over the flocs with larger volume, so that the positions with less adhered micro-bubbles, namely the positions with small buoyancy, face downward, the flocs are convenient to contact with the next floating bubble layer 18 and adhere to bubbles, and the air floatation effect on the flocs is ensured.
The scum board 8 scrapes the scum layer 19 on the surface layer of the sewage from the second end part to the first end part of the shell 3, scum in the scum layer 19 is scraped into the scum cavity 11, the mud scraper 16 scrapes sediment deposited at the bottom side of the shell 3 from the second end part to the first end part of the shell 3, and the sediment is scraped into the mud collection cavity; when the scraper 8 and the scraper 16 move towards the second end of the shell 3, the controller controls the first extension piece 7 and the second extension piece 15 to shrink, the scraper 8 and the scraper 16 both move upwards, when the scraper 8 and the scraper 16 are close to the second end of the shell 3, the controller 20 controls the first extension piece 7 and the second extension piece 15 to extend, the scraper 8 and the scraper 16 both move downwards to a set position, and the lower end of the scraper 8 is close to the water surface of the sewage.
The air distribution pipe 17 is positioned at the lower part of the inner cavity of the shell 3, and the observation of the working state of the air distribution pipe 17 is influenced by the color and/or scum layer 19 of the sewage in the shell 3; when the gas distribution pipe 17 is partially blocked, the formed bubble layer 18 has a notch or a weak position, a leak exists in the purification of sewage, the resistance between the upper side and the lower side of the bubble layer 18 is reduced, the working state of the gas distribution pipe 17 can be judged through the lowest resistance value detected by the resistance meter, and the working state detection of the gas distribution pipe 17 is convenient.
Example two: as shown in fig. 1, the present embodiment discloses a slag scraping apparatus for an air floating machine for sewage treatment, which has a structure substantially the same as that of the first embodiment, and the difference is that the driving member of the present embodiment includes a screw rod 2, a fixed block fixed on a bracket 14, and a driving mechanism 5 installed outside a housing 3, an output shaft of the driving mechanism 5 is connected to one end of the screw rod 2, the screw rod 2 penetrates through the fixed block and the screw rod 2 is in threaded connection with the fixed block, a sliding block is fixed on a side surface of the bracket 14 corresponding to the housing 3, the sliding block can slide along an outer side surface of the housing 3, and the sliding block is disposed near the fixed block.
The driving mechanism is a stepping motor, a speed regulating motor or a speed reducing motor, the driving mechanism drives the screw rod 2 to rotate, the screw rod 2 drives the support 14 and the magnetic block 4 to move at a fixed speed in a reciprocating mode along the length direction of the shell 3 through the fixing block, the magnetic block 4 drives the air distribution pipe 17 to move at a fixed speed in a reciprocating mode along the length direction of the shell 3 through the magnetic block 10, and the controller can control the driving mechanism to drive the rotating angle and the angular speed of the screw rod 2 so as to control the moving range and the moving speed of the support 14.
The driving mechanism can also be replaced by a linear motor or an electric push rod.
The controller 20 is electrically connected to the drive mechanism to control the operation of the drive mechanism.
Example three: as shown in fig. 1, the present embodiment discloses a slag scraping device for an air flotation machine for sewage treatment, which has a structure substantially the same as that of the first embodiment, except that a partition plate 6 is disposed in a housing 3 of the present embodiment to divide an inner cavity thereof into a first inner cavity and a second inner cavity, and a slag scraping plate 8 and a mud scraping plate 16 are both disposed in the first inner cavity.
Further, 6 sides of the partition plate are connected with the inner wall of the shell 3 in a sliding and sealing mode, the partition plate 6 slides along the length direction of the shell 3, the side face, located in the second inner cavity, of the partition plate 6 is connected with one end of the push rod 1, the other end of the push rod 1 penetrates through the shell 3 in a sliding mode and extends out of the shell 3, and the position of the partition plate 6 in the shell 3 can be adjusted through the push rod 1.
The working process and principle of the embodiment are as follows:
when the flow speed of sewage entering the shell 3 is reduced, the position of the partition plate 6 in the shell 3 is adjusted, the horizontal section of the first inner cavity of the shell 3 is reduced, the descending speed of the sewage in the shell 3 is maintained in a set range, the length of the air distribution pipe 17 required to be provided with the air bubble layers 18 at a time is shortened, and the power consumption required by the air distribution pipe 17 to be provided with the air bubble layers in a set number is reduced.
Example four: as shown in fig. 6, the embodiment discloses a slag scraping device for a sewage treatment air flotation machine, the structure of which is substantially the same as that of the first embodiment, and the difference is that the first embodiment further comprises a spherical shell 22 and an overflow shell 23, the inner cavity of the spherical shell is connected with the lower part of the inner cavity of the shell 3 through a first conduit, the inner cavity of the spherical shell 22 is communicated with the inner cavity of the overflow shell 23 through a second conduit, a negative pressure pump is installed on the upper side of the spherical shell 22, the air inlet of the negative pressure pump is communicated with the inner cavity of the spherical shell 22, a water sensor is arranged in the middle of the inner cavity of the spherical shell 22, and an opening is formed in the upper part of the overflow shell 23.
The water sensor and the negative pressure pump are both electrically connected with the controller 20, the water sensor transmits a detection signal to the controller 20, and the controller 20 controls the negative pressure pump to work.
When the air floatation process is followed by the filter tank, the micro bubbles are subjected to small buoyancy, so that the floating micro bubbles are easy to enter the filter tank along with the outlet water to cause air resistance.
The overflow shell 23, the first guide pipe, the second guide pipe and the lower part of the spherical shell 22 are filled with water, the height of the spherical shell 22 relative to the shell 3 is 5-9m, when the controller 20 detects that the liquid level in the spherical shell 22 is lower than a set range through the water sensor, the controller 20 controls the negative pressure pump to work to increase the negative pressure degree of the spherical shell 22, so that the liquid level in the spherical shell 22 rises, and when the controller 20 detects that the liquid level in the spherical shell 22 reaches the set range through the water sensor, the controller 20 controls the negative pressure pump to stop working.
The upside of overflow shell 23 is less than sunken slag notch a little, liquid level and flush in liquid level and the overflow shell 23 in the casing 3, pipe one, pipe two, siphon structure is constituteed to spherical shell 22, upper portion gets into sewage in the casing 3, the sewage of lower part passes through pipe one in the casing 3, spherical shell 22, pipe two flows into in overflow shell 23 and flows out by overflow shell 23, realize that the lower part is stably drained in the casing 3, and liquid level fluctuation is little in the casing 3, and spherical shell 22 inner chamber upper portion forms the negative pressure, the atmospheric pressure that the water that flows through spherical shell 22 received diminishes, the microbubble inflation of water in spherical shell 22 is taken off water, realize the discharge of casing 3 drainage microbubble, avoid handling in the sewage microbubble entering filtering pond and causing the air lock, be convenient for getting rid of fast of microbubble and the energy of consumption few.
Preferably, the end of the second conduit far from the spherical shell 22 extends into the overflow shell 23 from top to bottom.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a sewage treatment air supporting machine is with scraping sediment equipment which characterized in that: the sludge treatment device comprises a shell (3) and a support (14), wherein two end parts of an inner cavity of the shell (3) along the length direction are respectively a first end part and a second end part, a sludge collecting cavity is arranged on the lower side of the first end part of the shell (3), and a scum cavity (11) is arranged on the upper part of the outer side of the shell (3) close to the first end part;
an air distribution pipe (17) is arranged on the bottom side of the inner cavity of the shell (3), magnetic blocks (10) are mounted at two ends of the air distribution pipe (17), the lower side of the air distribution pipe (17) is connected with the upper end of the second extension piece (15), and a mud scraper (16) is mounted at the lower end of the second extension piece (15);
support (14) are located casing (3) top and the both ends of support (14) are located casing (3) width direction's both sides, the position that casing (3) outside corresponds two magnetism and inhale piece (10) all is equipped with magnetic path (4), and two magnetic paths (4) are connected with the both ends of support (14) respectively, the both ends of extension piece (7) are connected with the middle part of support (14) and scum board (8) side respectively, install the driving piece that drive support (14) removed along casing (3) length direction on casing (3).
2. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: the resistance meter is characterized by further comprising a resistance meter, wherein the two resistance measuring probes (9) of the resistance meter are vertically arranged in the inner cavity of the shell (3).
3. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: the first end of the shell (3) is provided with an accommodating cavity, an electric driving disk (13) is arranged in the accommodating cavity, a guide pipe (12) is wound on the electric driving disk (13), and one end of the guide pipe (12) is connected with a water inlet of the air distribution pipe (17).
4. The slag scraping equipment for the air floatation machine for sewage treatment according to claims 2 and 3, characterized in that: the position of the shell (3) corresponding to the magnetic suction block (10) is provided with a guide invagination groove which is positioned below the resistance measurement probe (9).
5. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: the driving piece comprises a screw rod (2), a fixed block fixed on the support (14) and a driving mechanism (5) installed on the outer side of the shell (3), an output shaft of the driving mechanism (5) is connected with one end of the screw rod (2), and the screw rod (2) penetrates through the fixed block, the screw rod (2) and the fixed block in threaded connection.
6. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: the inner cavity of the shell (3) is divided into a first inner cavity and a second inner cavity by a partition plate (6), and the slag scraping plate (8) and the mud scraping plate (16) are both positioned in the first inner cavity.
7. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 6, characterized in that: baffle (6) side and casing (3) inner wall sliding seal connect, and baffle (6) slide along casing (3) length direction, baffle (6) are located the side of second inner chamber and are connected with the one end of push rod (1), the other end of push rod (1) slides and runs through and extend to outside casing (3).
8. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: wherein, sewage in casing (3) is gone into by its lower part by its upper portion and is flowed out, gas distribution pipe (17) along casing (3) length direction reciprocating motion, the microbubble that gas distribution pipe (17) formed forms a plurality of interval bubble layer (18) about sewage in the sewage in casing (3), sewage upper portion floats has scum layer (19).
9. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: the device further comprises a controller, and the controller is electrically connected with the first extension piece (7), the second extension piece (15) and the driving mechanism (5) respectively.
10. The slag scraping equipment for the air floatation machine for sewage treatment according to claim 1, characterized in that: and a water distribution pipe (21) is arranged at the position of the side surface of the slag scraping plate (8) facing the second end part of the shell (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111588150.5A CN114229942B (en) | 2021-12-23 | 2021-12-23 | Slag scraping equipment for sewage treatment air floatation machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111588150.5A CN114229942B (en) | 2021-12-23 | 2021-12-23 | Slag scraping equipment for sewage treatment air floatation machine |
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| CN114229942A true CN114229942A (en) | 2022-03-25 |
| CN114229942B CN114229942B (en) | 2022-10-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557622A (en) * | 2022-08-22 | 2023-01-03 | 黄剑锋 | Intelligent adjustable sewage treatment equipment for heavy industry enterprises |
| CN117945493A (en) * | 2024-02-22 | 2024-04-30 | 无锡工源环境科技股份有限公司 | Quick flocculation air supporting device |
| CN118063055A (en) * | 2024-04-25 | 2024-05-24 | 四川正微禾环保科技有限公司 | Ecological treatment system for industrial aquaculture tail water |
| CN118084109A (en) * | 2024-04-28 | 2024-05-28 | 滨州尚亿食品有限责任公司 | Winter jujube cleaning wastewater treatment device |
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| CN118084109A (en) * | 2024-04-28 | 2024-05-28 | 滨州尚亿食品有限责任公司 | Winter jujube cleaning wastewater treatment device |
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|---|---|
| CN114229942B (en) | 2022-10-04 |
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