CN113713441A

CN113713441A - Precipitator for coal washing wastewater treatment

Info

Publication number: CN113713441A
Application number: CN202111157831.6A
Authority: CN
Inventors: 戴文强; 赵洪启; 吕英东; 韩海燕; 邹林峰
Original assignee: Wuxi Hi Tech Environmental Protection Equipment Technology Co ltd
Current assignee: Wuxi Hi Tech Environmental Protection Equipment Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-11-30

Abstract

The invention belongs to the technical field of sewage treatment, and particularly relates to a precipitator for treating coal washing wastewater, which comprises a box body, an inclined plate and a mud scraper; the top of the inclined plate is hinged with the inner wall of the box body through a rotating pin, the bottom of the inclined plate is fixedly connected with vertically arranged sliding grooves, and an elastic rod is connected between every two adjacent sliding grooves; the bottom end of the inclined plate is fixedly connected with a sliding pin at a position corresponding to the sliding chute, and the sliding pin is inserted into the sliding chute and is in sliding connection with the sliding chute; a main cylinder is fixedly connected with one side of the box body at a position corresponding to the chute, and the main cylinder is connected with a high-pressure air source through a pipeline and a control valve; a piston rod of the main cylinder penetrates through the box body and is hinged with the sliding groove, and the piston rod is connected with the box body in a sliding and sealing mode; the piston rod is driven by the main cylinder to push the chute, so that the chute drives the inclined plate to rotate and then increases the included angle between the inclined plate and the horizontal plane, thereby increasing the dropping speed of the sludge precipitated on the inclined plate and increasing the self-cleaning efficiency of the inclined plate.

Description

Precipitator for coal washing wastewater treatment

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to a precipitator for treating coal washing wastewater.

Background

A precipitator, also called clarifier. The clarifier is used for clarifying green liquor and white liquor, and white mud and green mud mixed in the clarifier are precipitated and separated by virtue of gravity.

Some technical schemes related to a precipitator also appear in the prior art, for example, a chinese patent with application number 2019108578239 discloses an inclined plate inclined tube precipitation device, which comprises a box body, wherein a sewage treatment area, a clear water area and a precipitation separator are arranged in the box body, the sewage treatment area and the clear water area are separated by the precipitation separator, the precipitation separator is vertically distributed along the water flow direction in the box body, and the precipitation separator consists of a plurality of inclined layers arranged from top to bottom; the water inlet is arranged at the side end of the box body and communicated with the sewage treatment area; the water outlet is arranged at the side end of the box body and communicated with the clean water area; and the sludge collection area is close to the lower end of the inclined layer and is used for collecting sludge falling from the lower end of the inclined layer.

But when depositing through the sedimentation tank among the prior art and filtering, reduce the settling distance of flocculus through the swash plate, and then increase the sedimentation rate of precipitate in the sewage, but the mud that the precipitate formed on the swash plate drops speed slower, is unfavorable for mud to drop fast and collects the discharge at the bottom half, need take the swash plate out the manual washing behind the box, wastes time and energy.

Therefore, the invention provides a precipitator for treating coal washing wastewater.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems that in the prior art, when sedimentation and filtration are carried out through a sedimentation tank, the sedimentation distance of floccules is reduced through an inclined plate, the sedimentation speed of sediments in sewage is increased, but the falling speed of sludge formed by the sediments on the inclined plate is low, the sludge is not beneficial to falling quickly to the bottom of a box body for collection and discharge, the inclined plate needs to be pulled out of the box body for manual cleaning, and time and labor are wasted, the precipitator for treating coal washing wastewater is provided by the invention.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a precipitator for treating coal washing wastewater, which comprises a box body, an inclined plate and a mud scraper; the top of the box body is fixedly connected with a motor through a support, an output shaft of the motor is fixedly connected with a group of mud scrapers through a rotating shaft, and the mud scrapers are connected with the bottom of the inner wall of the box body in a sliding manner; a water inlet and a water outlet are respectively arranged on two sides of the box body, a manhole for maintenance is arranged at the bottom of the box body close to the bottom of the box body, and a deslagging pipe is arranged at the bottom of the box body;

the top of the inclined plate is hinged with the inner wall of the box body through a rotating pin, the bottom of the inclined plate is fixedly connected with vertically arranged sliding grooves, and an elastic rod is connected between every two adjacent sliding grooves; the bottom end of the inclined plate is fixedly connected with a sliding pin at a position corresponding to the sliding chute, and the sliding pin is inserted into the sliding chute and is in sliding connection with the sliding chute; a main cylinder is fixedly connected with one side of the box body at a position corresponding to the chute, and the main cylinder is connected with a high-pressure air source through a pipeline and a control valve; a piston rod of the main cylinder penetrates through the box body and is hinged with the sliding groove, and the piston rod is connected with the box body in a sliding and sealing mode; when the device works, in the prior art, when the sedimentation and filtration are carried out through the sedimentation tank, the sedimentation distance of floccules is reduced through the inclined plate, so that the sedimentation speed of sediments in sewage is increased, but the falling speed of sludge formed by the sediments on the inclined plate is low, the sludge is not beneficial to falling quickly to the bottom of the box body for collection and discharge, the inclined plate needs to be pulled out of the box body for manual cleaning, and time and labor are wasted; at the moment, the main cylinder drives the piston rod to push the chute, so that the chute drives the inclined plate to rotate and then increases the included angle between the inclined plate and the horizontal plane, further increases the falling speed of the sludge precipitated on the inclined plate, further reduces excessive accumulation of the sludge on the inclined plate, and increases the self-cleaning efficiency of the inclined plate.

Preferably, the inclined plate is a double-layer flexible plate, and a group of mutually attracted magnetic balls are uniformly distributed on one adjacent side of the inclined plate; an air column is connected between the adjacent inclined plates in a sliding manner, one side of the air column is fixedly connected with an electric push rod, and the electric push rod and the inclined plates are arranged in parallel; after driving the contained angle between swash plate increase and the horizontal plane through the master cylinder, promote the gas column lapse through electric putter, aerify in the gas column simultaneously, make after the gas column inflation to the swash plate that corresponds the position of gas column separate, increase the peristaltic deformation of swash plate, and then increase the efficiency that collects that drops of precipitate on the swash plate, the peristaltic speed of driving the swash plate when sliding through electric putter control gas column simultaneously, reduce the loose muddy of precipitate, the bulk that further increases the precipitate wholly drops, reduce the muddy of the internal water of box.

Preferably, a sliding rail is fixedly connected to a position, corresponding to the end part of the gas column, on one side of the box body through a support, a group of sliding blocks are connected in the sliding rail in a sliding mode, and a groove is formed in one end of each sliding block; the other side of the sliding block is fixedly connected with an elastic air pipe; the air pipe communicating pipeline is communicated with the air pump, and the air pipe is communicated with the opening at the bottom of the groove; one end of the gas column is fixedly connected with a convex block matched with the groove, and a magnetic ring is embedded in the groove; when constantly sliding in the slide rail through the gas column, being connected through the cooperation of lug and recess for the trachea is aerifyd in to the gas column, and the gas column gassing when lug and recess break away from later on further increases the inflation and the shrink circulation efficiency of gas column, increases the peristaltic deformation degree between the adjacent swash plate, further increases the separation efficiency of mud on the swash plate.

Preferably, the gas column is internally provided with a spray hole, a barrier strip is connected with the position, corresponding to the spray hole, in the gas column in a sliding manner, and the barrier strip penetrates through a sliding seat arranged in the gas column and is connected with the sliding seat in a sliding manner; one end of the stop bar, which is close to the convex block, is fixedly connected with an armature, and the armature and the magnetic ring are arranged correspondingly; one side of the barrier strip close to the armature is fixedly connected with the sliding seat through an elastic rope; the barrier strip is provided with an air release hole, and the air release hole is communicated with the spray hole after the lug is separated from the groove; when the lug and the groove are closed, the magnetic ring attracts the armature, and then the barrier strip is driven to move towards the direction close to the lug, so that the spray hole is staggered with the air leakage hole, the air column is inflated normally, then the lug continues to slide downwards under the drive of the electric push rod, the lug is separated from the groove, the end part of the air column is closed through the one-way valve, meanwhile, the armature loses the attraction of the magnetic ring, so that the barrier strip resets under the action of the elastic rope, air in the air column is discharged into a gap between the adjacent inclined plates through the air leakage hole and the spray hole and forms bubbles, the bubbles further increase slight wriggle of the inclined plates in the continuous rising process, and further increase the separation efficiency between sludge and the inclined plates.

Preferably, the mud scraping plates and the inner wall of the bottom of the box body are obliquely arranged, and an included angle between the mud scraping plates and the box body is an acute angle; one side of the mud scraping plate, which is far away from the inner wall of the bottom of the box body, is provided with an ejection opening, a water stopping curtain is arranged in the ejection opening, and the water stopping curtain is stored through a storage unit; the end part of the water stop curtain is fixedly connected with a balancing weight matched with the ejection port, and an ejection cylinder is fixedly connected in a cavity formed in one side of the ejection port and is communicated with a compressed air tank through a control valve; outwards launch the balancing weight when aerifing fast through launching the cylinder for the balancing weight drives the stagnant water curtain and outwards pops out, later the balancing weight fall behind and form confined cavity between the bottom half, reduce the bottom half mud in the raising of mud scraper motion process, further guarantee the discharge efficiency of mud, reduce the muddy of the interior sewage of box.

Preferably, the receiving unit comprises a winding roller, the winding roller is rotatably connected inside the mud scraper, and one end of the water stop curtain is wound on the periphery of the winding roller; one side of the winding roller is fixedly connected with a belt wheel; a first sliding hole and a second sliding hole are formed in the mud scraping plate on one side of the winding roller, the hole bottoms of the first sliding hole and the second sliding hole are communicated through a communication hole, and the diameter of the first sliding hole is larger than that of the second sliding hole; a first sliding rod slides in the first sliding hole, one end, far away from the first sliding hole, of the first sliding rod is rotatably connected with a guide wheel, a wheel groove is formed in the periphery of the guide wheel, a belt is sleeved between the wheel groove and a belt wheel, and the belt is in a loose state; a second sliding rod is slidably connected in the second sliding hole, and one end, close to the belt, of the second sliding rod is rotatably connected with a tensioning wheel; a spring is fixedly connected between the first sliding rod and the first sliding hole, and a spring is fixedly connected between the second sliding rod and the second sliding hole; when the unevenness's that deposits through guide pulley contact box inner wall mud, the guide pulley drives the intermittent type shrink to a slide opening in of slide bar, and then drive No. two slide bars and stretch out, because a slide opening diameter is greater than No. two slide openings, make the distance of stretching out of No. two slide bars be greater than the shrink distance of a slide bar, and then make the tight pulley that rises support and tensioning belt after stretching out, make the intermittent type rotation of wind-up roll and retrieve the stagnant water curtain, through intermittent type rolling stagnant water curtain, increase the efficiency that the stagnant water curtain drew the bold obstacle between the mud, further increase the rolling efficiency of stagnant water curtain.

Preferably, the end part of the balancing weight is fixedly connected with an electromagnet, and the electromagnet is communicated with a power supply through an adjusting device; through the appeal of control electro-magnet for the electro-magnet when being close to the bottom half after casting, reduces the appeal of electro-magnet, and then reduces the velocity of motion that the balancing weight is close to box end distance, reduces the balancing weight and kicks up the impact of mud, and the balancing weight is contacted the back with the box simultaneously, increases the appeal of electro-magnet, further increases the scraping efficiency of balancing weight to mud in the box.

Preferably, one side of the balancing weight is fixedly connected with a group of elastic hooks, the balancing weight is driven to turn over when the water stop curtain is recovered, and the hooks are in sliding connection with the bottom of the box body; drive the crotch upset and carry out slow sleigh to the mud of bottom half through when stagnant water curtain retrieves, further reduce the adhesion of mud to the box, increase the efficiency of striking off of mud.

Preferably, the position of the ejection opening corresponding to the hook is fixedly connected with a small ball through a first spring, and the diameter of the small ball is smaller than the minimum bending radius of the hook; the end part of the first spring is bent towards the direction close to the middle part of the ejection opening; a valve core is connected in a third sliding hole arranged in the ejection port in a sliding manner, and a pressure spring is fixedly connected between the valve core and the third sliding hole; an L-shaped air distribution hole is formed in the valve core; the third sliding hole is communicated with the air pump through an air inlet; the valve core slides in the third slide hole and then the air distribution hole is communicated with the air inlet hole; the balancing weight after retrieving is scraped through the bobble to the cooperation of a spring, and the crotch is block and separation one by the bobble when passing through the bobble simultaneously, increases the shake desilting efficiency of crotch, further guarantees the cleanness of crotch, increases the efficiency that the crotch inserted and sleigh mud after launching the balancing weight next time, extrudees the case when reseing through the balancing weight simultaneously for case blowout compressed air, the further clean effect that increases remaining impurity on balancing weight and crotch.

Preferably, a group of arc-shaped grooves are uniformly distributed on the inner wall of the ejection opening corresponding to the hook, and a pair of hollow elastic bodies is fixedly connected to the inner wall of the ejection opening between the adjacent arc-shaped grooves; the section of the elastic body is M-shaped, and the height of one side of the elastic body close to the end part of the ejection opening is higher than that of the other side; a bell-shaped support cover is fixedly connected to the middle of the inner side of the elastic body, a magnetic block is embedded in the ejection opening corresponding to the support cover, and a spring is fixedly connected between the magnetic block and the support cover; constantly tremble when drawing the elastomer of M shape through the crotch, further increase the row mud efficiency of crotch, the elastomer warp under the pressure effect simultaneously makes the magnetic path adsorb the support cover, when the elastomer loses external pressure, spring force is greater than the appeal of magnetic path for further increase after the support cover rebounds is to the bounce-back vibration dynamics of crotch, increases the clean effect to remaining impurity on balancing weight and the crotch.

The invention has the following beneficial effects:

1. according to the precipitator for treating the coal washing wastewater, the piston rod is driven by the main cylinder to push the chute, so that the chute drives the inclined plate to rotate and then increases the included angle between the inclined plate and the horizontal plane, further increases the dropping speed of the sludge precipitated on the inclined plate, further reduces excessive accumulation of the sludge on the inclined plate, and increases the self-cleaning efficiency of the inclined plate.

2. According to the precipitator for treating the coal washing wastewater, the main cylinder drives the inclined plate to increase an included angle between the inclined plate and a horizontal plane, the electric push rod pushes the gas column to slide downwards, and meanwhile, the gas column is inflated, so that the inclined plate at the position corresponding to the gas column is separated after the gas column is expanded, the creep deformation of the inclined plate is increased, the dropping and collecting efficiency of sediments on the inclined plate is further increased, meanwhile, the electric push rod is used for controlling the creep speed of the inclined plate driven by the gas column during sliding, the loose turbidity of the sediments is reduced, the integral dropping of large blocks of the sediments is further increased, and the turbidity of a water body in the tank is reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 5 is a view taken along line C of FIG. 3;

FIG. 6 is an enlarged view of a portion of FIG. 4 at D;

FIG. 7 is an enlarged view of a portion E of FIG. 6;

in the figure: the device comprises a box body 1, an inclined plate 11, a mud scraper 12, a motor 13, a water inlet 14, a water outlet 15, a manhole 16, a slag discharge pipe 17, a rotating pin 2, a sliding groove 21, an elastic rod 22, a sliding pin 23, a main cylinder 24, a piston rod 25, a magnetic ball 26, an air column 27, an electric push rod 28, a sliding rail 3, a sliding block 31, a groove 32, an air pipe 33, a bump 34, a magnetic ring 35, a spray hole 310, a baffle strip 311, a sliding seat 36, an armature 37, an elastic rope 38, an air leakage hole 39, an ejection port 4, a water stop curtain 41, a balancing weight 42, an ejection cylinder 43, a wind-up roll 44, a belt wheel 45, a first sliding hole 46, a second sliding hole 47, a first sliding rod 48, a guide wheel 49, a wheel groove 5, a belt 51, a second sliding rod 52, a tension wheel 53, an electromagnet 54, a hook 55, a first spring 56, a small ball 57, a valve core 58, an air distribution hole 59, an air inlet 6, an arc-shaped groove 61, an elastic body 62, a support cover 63 and a magnet block 64.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1 to 5, the precipitator for treating coal washing wastewater according to the present invention comprises a tank 1, an inclined plate 11 and a mud scraper 12; the top of the box body 1 is fixedly connected with a motor 13 through a support, an output shaft of the motor 13 is fixedly connected with a group of mud scrapers 12 through a rotating shaft, and the mud scrapers 12 are in sliding connection with the bottom of the inner wall of the box body 1; a water inlet 14 and a water outlet 15 are respectively arranged at two sides of the box body 1, a manhole 16 for maintenance is arranged at the bottom of the box body 1 close to the bottom, and a deslagging pipe 17 is arranged at the bottom of the box body 1;

the top of the inclined plate 11 is hinged with the inner wall of the box body 1 through a rotating pin 2, the bottom of the inclined plate 11 is fixedly connected with vertically arranged sliding grooves 21, and an elastic rod 22 is connected between every two adjacent sliding grooves 21; the bottom end of the inclined plate 11 is fixedly connected with a sliding pin 23 at a position corresponding to the sliding groove 21, and the sliding pin 23 is inserted into the sliding groove 21 and is in sliding connection with the sliding groove 21; a main cylinder 24 is fixedly connected to one side of the box body 1 at a position corresponding to the chute 21, and the main cylinder 24 is connected with a high-pressure air source through a pipeline and a control valve; a piston rod 25 of the main cylinder 24 penetrates through the box body 1 and then is hinged with the sliding groove 21, and the piston rod 25 is connected with the box body 1 in a sliding and sealing mode; when the device works, in the prior art, when the sedimentation and filtration are carried out through the sedimentation tank, the sedimentation distance of floccules is reduced through the inclined plate 11, so that the sedimentation speed of sediments in sewage is increased, but the falling speed of sludge formed by the sediments on the inclined plate 11 is low, the sludge is not favorable for rapidly falling to the bottom of the box body 1 for collection and discharge, the inclined plate 11 needs to be manually cleaned after being drawn out of the box body 1, and time and labor are wasted; at the moment, the main cylinder 24 drives the piston rod 25 to push the chute 21, so that the chute 21 drives the inclined plate 11 to rotate, the included angle between the inclined plate 11 and the horizontal plane is increased, the dropping speed of sludge deposited on the inclined plate 11 is increased, excessive accumulation of sludge on the inclined plate 11 is further reduced, and the self-cleaning efficiency of the inclined plate 11 is increased.

Preferably, the inclined plate 11 is a double-layer flexible plate, and a group of mutually attracted magnetic balls 26 are uniformly distributed on one adjacent side of the inclined plate 11; an air column 27 is connected between the adjacent sloping plates 11 in a sliding manner, one side of the air column 27 is fixedly connected with an electric push rod 28, and the electric push rod 28 is arranged in parallel with the sloping plates 11; after driving the contained angle between swash plate 11 increase and the horizontal plane through main cylinder 24, promote gas column 27 lapse through electric putter 28, aerify in the gas column 27 simultaneously, make after the gas column 27 inflation to the swash plate 11 of gas column 27 corresponding position, increase the creep deformation of swash plate 11, and then increase the efficiency that collects that drops of deposit on the swash plate 11, the creep speed of swash plate 11 is driven when sliding through electric putter 28 control gas column 27 simultaneously, reduce the loose muddy of deposit, further increase the bold whole drop of deposit, reduce the muddy of the interior water of box 1.

Preferably, a slide rail 3 is fixedly connected to a position on one side of the box body 1 corresponding to the end part of the air column 27 through a support, a group of slide blocks 31 are slidably connected in the slide rail 3, and a groove 32 is formed in one end of each slide block 31; the other side of the sliding block 31 is fixedly connected with an elastic air pipe 33; the air pipe 33 is communicated with the air pump through a pipeline, and the air pipe 33 is communicated with an opening at the bottom of the groove 32; one end of the air column 27 is fixedly connected with a projection 34 matched with the groove 32, and a magnetic ring 35 is embedded in the groove 32; when constantly sliding in the slide rail 3 through the gas column 27, being connected through the cooperation of lug 34 with recess 32 for trachea 33 is aerifyd to gas column 27 in, and gas column 27 gassing when lug 34 breaks away from with recess 32 afterwards further increases the inflation and the shrink circulation efficiency of gas column 27, increases the peristaltic deformation degree between the adjacent swash plate 11, further increases the separation efficiency of mud on the swash plate 11.

Preferably, a nozzle 310 is formed in the air column 27, a barrier strip 311 is slidably connected to a position corresponding to the nozzle 310 in the air column 27, and the barrier strip 311 penetrates through a sliding seat 36 arranged in the air column 27 and is slidably connected with the sliding seat 36; one end of the stop bar 311 close to the projection 34 is fixedly connected with an armature 37, and the armature 37 and the magnetic ring 35 are correspondingly arranged; one side of the stop bar 311 close to the armature 37 is fixedly connected with the sliding seat 36 through an elastic rope 38; the barrier strip 311 is provided with an air release hole 39, and when the projection 34 is separated from the groove 32, the air release hole 39 is communicated with the jet orifice 310; when the projection 34 and the groove 32 are closed, the magnetic ring 35 attracts the armature 37, and then the barrier strip 311 is driven to move towards the direction close to the projection 34, so that the nozzle 310 and the air release hole 39 are staggered, the air column 27 is inflated normally, and then when the projection 34 continues to slide downwards under the driving of the electric push rod 28, the projection 34 is separated from the groove 32, at this time, the end of the air column 27 is closed through the one-way valve, and meanwhile, the armature 37 loses the attraction of the magnetic ring 35, so that the barrier strip 311 is reset under the action of the elastic rope 38, and the air in the air column 27 is discharged into the gap between the adjacent inclined plates 11 through the air release hole 39 and the nozzle 310 and forms bubbles, and the slight creep of the inclined plates 11 is further increased in the process of the bubbles rising, and further the separation efficiency between the sludge and the inclined plates 11 is further increased.

Preferably, the mud scraping plates 12 are obliquely arranged with the inner wall of the bottom of the box body 1, and an included angle between the mud scraping plates 12 and the box body 1 is an acute angle; an ejection opening 4 is formed in one side, away from the inner wall of the bottom of the box body 1, of the mud scraping plate 12, a water stop curtain 41 is arranged in the ejection opening 4, and the water stop curtain 41 is stored through a storage unit; the end part of the water stop curtain 41 is fixedly connected with a balancing weight 42 matched with the ejection port 4, an ejection cylinder 43 is fixedly connected in a cavity formed in one side of the ejection port 4, and the ejection cylinder 43 is communicated with a compression gas tank through a control valve; outwards launch balancing weight 42 when aerifing fast through launching cylinder 43 for balancing weight 42 drives stagnant water curtain 41 and outwards pops out, later balancing weight 42 fall after and form confined cavity between the box 1 bottom, reduce the raising of box 1 bottom mud in the motion process of mud scraper 12, further guarantee the discharge efficiency of mud, reduce the muddy of sewage in the box 1.

Preferably, the receiving unit comprises a winding roller 44, the winding roller 44 is rotatably connected inside the mud scraper 12, and one end of the water stop curtain 41 is wound on the periphery of the winding roller 44; one side of the winding roller 44 is fixedly connected with a belt wheel 45; a first sliding hole 46 and a second sliding hole 47 are formed in the mud scraping plate 12 on one side of the winding roller 44, the hole bottoms of the first sliding hole 46 and the second sliding hole 47 are communicated through a communication hole, and the diameter of the first sliding hole 46 is larger than that of the second sliding hole 47; a first sliding rod 48 slides in the first sliding hole 46, one end, far away from the first sliding hole 46, of the first sliding rod 48 is rotatably connected with a guide wheel 49, a wheel groove 5 is formed in the periphery of the guide wheel 49, a belt 51 is sleeved between the wheel groove 5 and the belt wheel 45, and the belt 51 is in a loose state; a second sliding rod 52 is slidably connected in the second sliding hole 47, and one end of the second sliding rod 52 close to the belt 51 is rotatably connected with a tension wheel 53; a spring is fixedly connected between the first sliding rod 48 and the first sliding hole 46, and a spring is fixedly connected between the second sliding rod 52 and the second sliding hole 47; when the guide wheel 49 contacts with the uneven sludge precipitated on the inner wall of the box body 1, the guide wheel 49 drives the first slide rod 48 to intermittently shrink into the first slide hole 46, and further drives the second slide rod 52 to stretch out, because the diameter of the first slide hole 46 is greater than that of the second slide hole 47, the stretching distance of the second slide rod 52 is greater than that of the first slide rod 48, and further the tensioning wheel 53 stretches out to abut against and tension the belt 51, so that the wind-up roller 44 intermittently rotates and recovers the water-stopping curtain 41, the efficiency of the water-stopping curtain 41 scratching a large obstacle between the sludge is increased through the intermittent wind-up water-stopping curtain 41, and the wind-up efficiency of the water-stopping curtain 41 is further increased.

Preferably, the end of the counterweight block 42 is fixedly connected with an electromagnet 54, and the electromagnet 54 is communicated with a power supply through a regulating device; through the appeal of control electro-magnet 54 for when electro-magnet 54 is close to the box 1 bottom after throwing, reduce electro-magnet 54's appeal, and then reduce the moving speed that balancing weight 42 is close to box 1 end distance, reduce the impact of balancing weight 42 to mud and raise, balancing weight 42 and box 1 contact back simultaneously, increase electro-magnet 54's appeal, further increase balancing weight 42 the scraping efficiency of mud in to box 1.

Preferably, one side of the counterweight block 42 is fixedly connected with a group of elastic hooks 55, the counterweight block 42 is driven to turn over when the water stop curtain 41 is recovered, and the hooks 55 are in sliding connection with the bottom of the box body 1; the hook 55 is driven to turn and slowly climb the sludge at the bottom of the box body 1 when the water stop curtain 41 is recovered, so that the adhesion force of the sludge to the box body 1 is further reduced, and the scraping efficiency of the sludge is increased.

Example two

As shown in fig. 6 to 7, a first comparative example, in which another embodiment of the present invention is:

a small ball 57 is fixedly connected to the position, corresponding to the hook 55, of the ejection port 4 through a first spring 56, and the diameter of the small ball 57 is smaller than the minimum bending radius of the hook 55; the end part of the first spring 56 is bent towards the direction close to the middle part of the ejection opening 4; a valve core 58 is connected in a third sliding hole arranged in the ejection port 4 in a sliding manner, and a pressure spring is fixedly connected between the valve core 58 and the third sliding hole; an L-shaped air distribution hole 59 is formed in the valve core 58; the third sliding hole is communicated with the air pump through an air inlet hole 6; the valve core 58 slides into the third slide hole, and the air distribution hole 59 is communicated with the air inlet 6; cooperate a spring 56 to scrape the balancing weight 42 after retrieving through bobble 57, simultaneously the crotch 55 is blocked and is separated by bobble 57 one by one when bobble 57 passes through bobble 57, increase the shake desilting efficiency of crotch 55, further guarantee the cleanness of crotch 55, increase the efficiency that the crotch 55 inserted and sleigh mud after launching balancing weight 42 next time, extrude case 58 when reseing through balancing weight 42 simultaneously, make case 58 blowout compressed air, further increase the clean effect to remaining impurity on balancing weight 42 and the crotch 55.

Preferably, a group of arc-shaped grooves 61 are uniformly distributed on the inner wall of the ejection opening 4 corresponding to the hook 55, and a pair of hollow elastic bodies 62 is fixedly connected to the inner wall of the ejection opening 4 between the adjacent arc-shaped grooves 61; the section of the elastic body 62 is M-shaped, and the height of one side of the elastic body 62 close to the end part of the ejection opening 4 is higher than that of the other side; a bell-shaped support cover 63 is fixedly connected to the middle of the inner side of the elastic body 62, a magnetic block 64 is embedded in the ejection opening 4 at a position corresponding to the support cover 63, and a spring is fixedly connected between the magnetic block 64 and the support cover 63; constantly tremble when drawing the elastomer 62 of M shape through the crotch 55, further increase the row mud efficiency of crotch 55, elastomer 62 warp under the pressure effect simultaneously makes magnetic path 64 adsorb the support cover 63, and when elastomer 62 lost external pressure, spring force is greater than the appeal of magnetic path 64 for further increase the bounce-back vibration dynamics to crotch 55 after supporting the cover 63 bounce-back, increase the clean effect to remaining impurity on balancing weight 42 and crotch 55.

When the automatic sludge-removing device works, the main cylinder 24 drives the piston rod 25 to push the chute 21, so that the chute 21 drives the inclined plate 11 to rotate, then the included angle between the inclined plate 11 and the horizontal plane is increased, the falling speed of sludge deposited on the inclined plate 11 is increased, excessive accumulation of sludge on the inclined plate 11 is further reduced, and the self-cleaning efficiency of the inclined plate 11 is increased; after the main cylinder 24 drives the inclined plate 11 to increase the included angle between the inclined plate and the horizontal plane, the electric push rod 28 pushes the air column 27 to slide downwards and simultaneously inflate the air column 27, so that the inclined plate 11 at the position corresponding to the air column 27 is separated after the air column 27 is expanded, the creep deformation of the inclined plate 11 is increased, the falling and collecting efficiency of sediments on the inclined plate 11 is further increased, meanwhile, the electric push rod 28 controls the creep speed of the air column 27 driving the inclined plate 11 during sliding, the loose and turbid of the sediments are reduced, the large blocks of the sediments are further increased to fall integrally, and the turbid of the water body in the box body 1 is reduced; when the air column 27 continuously slides in the slide rail 3, the air pipe 33 is inflated into the air column 27 through the matching connection of the lug 34 and the groove 32, and then the air column 27 is deflated when the lug 34 is separated from the groove 32, so that the expansion and contraction cycle efficiency of the air column 27 is further increased, the peristaltic deformation degree between adjacent inclined plates 11 is increased, and the separation efficiency of sludge on the inclined plates 11 is further increased; when the lug 34 and the groove 32 are closed, the magnetic ring 35 attracts the armature 37, and then the barrier strip 311 is driven to move towards the direction close to the lug 34, so that the spray hole 310 and the air release hole 39 are staggered, the air column 27 is inflated normally, and then when the lug 34 is driven by the electric push rod 28 to slide downwards continuously, the lug 34 is separated from the groove 32, at the moment, the end part of the air column 27 is closed through the one-way valve, and meanwhile, the armature 37 loses the attraction of the magnetic ring 35, so that the barrier strip 311 is reset under the action of the elastic rope 38, and the air in the air column 27 is discharged into a gap between the adjacent inclined plates 11 through the air release hole 39 and the spray hole 310 to form bubbles, and the slight creep of the inclined plates 11 is further increased in the continuous rising process of the bubbles, and further the separation efficiency between the sludge and the inclined plates 11 is further increased; the counterweight block 42 is ejected outwards when the ejection cylinder 43 is rapidly inflated, so that the counterweight block 42 drives the water stop curtain 41 to eject outwards, and then a closed cavity is formed between the counterweight block 42 and the bottom of the box body 1 after the counterweight block 42 falls down, so that the sludge at the bottom of the box body 1 is reduced from being raised in the motion process of the mud scraper 12, the sludge discharge efficiency is further ensured, and the turbidity of the sewage in the box body 1 is reduced; when the guide wheel 49 contacts with the uneven sludge precipitated on the inner wall of the box body 1, the guide wheel 49 drives the first slide rod 48 to intermittently shrink into the first slide hole 46, so as to drive the second slide rod 52 to stretch out, and because the diameter of the first slide hole 46 is larger than that of the second slide hole 47, the stretching distance of the second slide rod 52 is larger than the shrinking distance of the first slide rod 48, so that the tensioning wheel 53 stretches out to abut against and tension the belt 51, the winding roller 44 intermittently rotates and recovers the water stopping curtain 41, the efficiency of the water stopping curtain 41 in cutting large barriers among the sludge is increased through the intermittent winding water stopping curtain 41, and the winding efficiency of the water stopping curtain 41 is further increased; by controlling the attraction force of the electromagnet 54, when the electromagnet 54 is close to the bottom of the box body 1 after being thrown, the attraction force of the electromagnet 54 is reduced, so that the movement speed of the counterweight block 42 close to the distance of the tail end of the box body 1 is reduced, the impact uplift of the counterweight block 42 on the sludge is reduced, meanwhile, after the counterweight block 42 is in contact with the box body 1, the attraction force of the electromagnet 54 is increased, and the scraping efficiency of the counterweight block 42 on the sludge in the box body 1 is further increased; the hook 55 is driven to turn and slowly climb the sludge at the bottom of the box body 1 when the water stop curtain 41 is recovered, so that the adhesion force of the sludge to the box body 1 is further reduced, and the scraping efficiency of the sludge is increased.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A precipitator for treating coal washing wastewater comprises a box body (1), an inclined plate (11) and a mud scraper (12); the top of the box body (1) is fixedly connected with a motor (13) through a support, an output shaft of the motor (13) is fixedly connected with a group of mud scrapers (12) through a rotating shaft, and the mud scrapers (12) are in sliding connection with the bottom of the inner wall of the box body (1); box (1) both sides are equipped with water inlet (14) and delivery port (15) respectively, and box (1) bottom is close to the bottom and is equipped with manhole (16) that the maintenance was used, and box (1) bottom is equipped with scum pipe (17), its characterized in that:

the top of the inclined plate (11) is hinged with the inner wall of the box body (1) through a rotating pin (2), the bottom of the inclined plate (11) is fixedly connected with vertically arranged sliding grooves (21), and an elastic rod (22) is connected between every two adjacent sliding grooves (21); the bottom end of the inclined plate (11) is fixedly connected with a sliding pin (23) at a position corresponding to the sliding groove (21), and the sliding pin (23) is inserted into the sliding groove (21) and is in sliding connection with the sliding groove (21); a main cylinder (24) is fixedly connected to one side of the box body (1) at a position corresponding to the chute (21), and the main cylinder (24) is connected with a high-pressure air source through a pipeline and a control valve; and a piston rod (25) of the main cylinder (24) penetrates through the box body (1) and then is hinged with the sliding groove (21), and the piston rod (25) is connected with the box body (1) in a sliding and sealing manner.

2. The precipitator for treatment of coal washing wastewater according to claim 1, wherein: the inclined plate (11) is a double-layer flexible plate, and a group of mutually attracted magnetic balls (26) are uniformly distributed on one adjacent side of the inclined plate (11); adjacent sliding connection has gas column (27) between swash plate (11), and gas column (27) one side has linked firmly electric putter (28), and electric putter (28) and swash plate (11) parallel arrangement.

3. The precipitator for treatment of coal washing wastewater according to claim 2, wherein: a sliding rail (3) is fixedly connected to one side of the box body (1) through a support at a position corresponding to the end part of the air column (27), a group of sliding blocks (31) are connected in the sliding rail (3) in a sliding mode, and a groove (32) is formed in one end of each sliding block (31); the other side of the sliding block (31) is fixedly connected with an elastic air pipe (33); the air pipe (33) is communicated with the air pump through a pipeline, and the air pipe (33) is communicated with the opening at the bottom of the groove (32); one end of the air column (27) is fixedly connected with a lug (34) matched with the groove (32), and a magnetic ring (35) is embedded in the groove (32).

4. A precipitator for treatment of coal washing wastewater according to claim 3, wherein: the air column (27) is internally provided with a spray hole (310), a blocking strip (311) is connected in the air column (27) in a sliding way at a position corresponding to the spray hole (310), and the blocking strip (311) penetrates through a sliding seat (36) arranged in the air column (27) and is connected with the sliding seat (36) in a sliding way; one end of the stop bar (311) close to the convex block (34) is fixedly connected with an armature (37), and the armature (37) is arranged corresponding to the magnetic ring (35); one side of the stop bar (311) close to the armature (37) is fixedly connected with the sliding seat (36) through an elastic rope (38); and the barrier strip (311) is provided with an air release hole (39), and the air release hole (39) is communicated with the spray hole (310) after the lug (34) is separated from the groove (32).

5. The precipitator for treatment of coal washing wastewater according to claim 1, wherein: the mud scraping plates (12) are obliquely arranged with the inner wall of the bottom of the box body (1), and an included angle between the mud scraping plates (12) and the box body (1) is an acute angle; an ejection opening (4) is formed in one side, away from the inner wall of the bottom of the box body (1), of the mud scraping plate (12), a water stop curtain (41) is arranged in the ejection opening (4), and the water stop curtain (41) is stored through a storage unit; the water stop curtain (41) end is fixedly connected with a balancing weight (42) matched with the ejection opening (4), an ejection cylinder (43) is fixedly connected in a cavity formed in one side of the ejection opening (4), and the ejection cylinder (43) is communicated with a compressed air tank through a control valve.

6. The precipitator for treatment of coal washing wastewater according to claim 5, wherein: the receiving unit comprises a winding roller (44), the winding roller (44) is rotatably connected inside the mud scraper (12), and one end of the water stopping curtain (41) is wound on the periphery of the winding roller (44); one side of the winding roller (44) is fixedly connected with a belt wheel (45); a first sliding hole (46) and a second sliding hole (47) are formed in the mud scraper (12) on one side of the winding roller (44), the hole bottoms of the first sliding hole (46) and the second sliding hole (47) are communicated through a communicating hole, and the diameter of the first sliding hole (46) is larger than that of the second sliding hole (47); a first sliding rod (48) slides in the first sliding hole (46), one end, far away from the first sliding hole (46), of the first sliding rod (48) is rotatably connected with a guide wheel (49), a wheel groove (5) is formed in the periphery of the guide wheel (49), a belt (51) is sleeved between the wheel groove (5) and the belt wheel (45), and the belt (51) is in a loose state; a second sliding rod (52) is connected in the second sliding hole (47) in a sliding manner, and one end, close to the belt (51), of the second sliding rod (52) is rotatably connected with a tension wheel (53); a spring is fixedly connected between the first sliding rod (48) and the first sliding hole (46), and a spring is fixedly connected between the second sliding rod (52) and the second sliding hole (47).

7. The precipitator for treatment of coal washing wastewater according to claim 6, wherein: the end part of the balancing weight (42) is fixedly connected with an electromagnet (54), and the electromagnet (54) is communicated with a power supply through an adjusting device.

8. The precipitator for treatment of coal washing wastewater according to claim 6, wherein: one side of the balancing weight (42) is fixedly connected with a group of elastic hooks (55), the balancing weight (42) is driven to turn over when the water stop curtain (41) is recovered, and at the moment, the hooks (55) are connected with the bottom of the box body (1) in a sliding mode.

9. The precipitator for treatment of coal washing wastewater according to claim 5, wherein: the ejection port (4) is fixedly connected with a small ball (57) through a first spring (56) at a position corresponding to the hook (55), and the diameter of the small ball (57) is smaller than the minimum bending radius of the hook (55); the end part of the first spring (56) is bent towards the direction close to the middle part of the ejection opening (4); a valve core (58) is connected in a third sliding hole formed in the ejection port (4) in a sliding manner, and a pressure spring is fixedly connected between the valve core (58) and the third sliding hole; an L-shaped air distribution hole (59) is formed in the valve core (58); the third sliding hole is communicated with the air pump through an air inlet hole (6); and the valve core (58) slides in the third slide hole, and then the air distribution hole (59) is communicated with the air inlet hole (6).

10. The precipitator for treatment of coal washing wastewater according to claim 5, wherein: a group of arc-shaped grooves (61) are uniformly distributed on the inner wall of the ejection opening (4) corresponding to the hook (55), and a pair of hollow elastic bodies (62) is fixedly connected on the inner wall of the ejection opening (4) between the adjacent arc-shaped grooves (61); the section of the elastic body (62) is M-shaped, and the height of one side, close to the end part of the ejection opening (4), of the elastic body (62) is higher than that of the other side; the middle part of the inner side of the elastic body (62) is fixedly connected with a bell-shaped supporting cover (63), magnetic blocks (64) are embedded in the ejection opening (4) and correspond to the supporting cover (63), and springs are fixedly connected between the magnetic blocks (64) and the supporting cover (63).