CN114956504B - Sludge thermal pretreatment wall breaking device and sludge treatment method - Google Patents

Abstract

The invention discloses a sludge thermal pretreatment wall breaking device and a sludge treatment method. According to the invention, after sludge is introduced into the feeding pipe through the feeding hole, the sludge is pushed into the communicating pipe from the feeding pipe by the cooperation of the pressing plate and the pressing table, the sludge in the communicating pipe is subjected to thermal pretreatment by the heating sleeve, the treated sludge enters the communicating pipe after the feeding pipe and is pushed to move, the thermally pretreated sludge enters the discharging pipe from the through holes of the side partition plates of the discharging pipe by the power of the sludge, the sludge is scattered again by the through holes of the two partition plates, the binding capacity between sludge particles and binding water is further destroyed, the sludge is scattered by the discharging pipe, and finally the sludge is discharged through the discharging hole, so that the continuous treatment process of the sludge is ensured.

Description

Sludge thermal pretreatment wall breaking device and sludge treatment method

Technical Field

The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge thermal pretreatment wall breaking device and a sludge treatment method.

Background

In the sewage treatment process, various coagulant aids or coagulants are generally added to make suspended particles in the sewage lose stability, colloidal particles mutually aggregate to form a flocculating constituent, and the flocculating constituent is separated from a water phase under the action of gravity to precipitate to form a large amount of sludge along with the further increase of the volume of the flocculating constituent. Wherein, the polyacrylamide has excellent adsorption bridging effect and electric neutralization effect due to easy acquisition of raw materials, and has good flocculation effect of sludge particles, thereby being widely applied.

The most important step of sludge treatment is to separate moisture in sludge and reduce the volume of the sludge, thereby reducing the volume load of the sludge in the subsequent treatment link. However, most organic matters in the sludge are cell substances of microorganisms and are wrapped by cell walls and cell walls, and in addition, when polyacrylamide and hydrophilic substances in the sludge form a composite colloid network structure, a large amount of water is also wrapped by the long polyacrylamide chains, so that the amount of water and combined water in sludge floc particles is increased, the later filtration and dehydration resistance is large, and after the sludge is dehydrated by using mechanical devices such as filter pressing, centrifugation and the like, the water content of the sludge is still as high as 70-80 wt%, so that the temperature required by the sludge drying step is high, the consumed time is long, and the energy consumption cost of the sludge drying and dehydration is increased.

Therefore, it is necessary to invent a sludge thermal pretreatment wall breaking device and a sludge treatment method to solve the above problems.

Disclosure of Invention

Aiming at the problems, the invention provides a sludge thermal pretreatment wall breaking device and a sludge treatment method, which aim to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mud thermal pretreatment broken wall device, including the inlet pipe, the inlet pipe top is provided with the feed inlet, a tip center department of inlet pipe connects the discharging pipe through communicating pipe, both ends opening of communicating pipe all is provided with the baffle, and baffle surface equidistance is provided with a plurality of through-holes side by side, the heating jacket has been cup jointed outside communicating pipe, the heating jacket bottom is provided with the heating import, the heating jacket top is provided with the heating export, and the inlet pipe also utilizes heating jacket and discharging pipe fixed connection, the discharging pipe bottom is provided with the discharge gate.

Optionally, the inlet pipe the appearance of a tip sets up to the round platform, the round platform includes top surface and bottom surface, and the diameter of top surface is less than the diameter of bottom surface, the inlet pipe the terminal surface of a tip is the top surface of round platform, the diameter of bottom surface with the external diameter of inlet pipe equals, two the baffle respectively with the inlet pipe and the discharging pipe sets up as an organic wholely.

Optionally, the other end of inlet pipe is equipped with the opening, rotationally install the clamp plate in the opening, the clamp plate side with the inner wall laminating of inlet pipe, the medial surface center department of clamp plate is the pressure platform of round platform form through spliced pole fixedly connected with, the terminal surface of a tip of pressure platform with the baffle diameter is the same, another tip of pressure platform with the spliced pole is connected, the circumference side annular equidistance of spliced pole is provided with a plurality of puddlers side by side.

Optionally, the top of discharging pipe is provided with the roof-rack, the top fixed mounting of roof-rack has the motor, the top of bull stick is connected to the output of motor, the bull stick runs through the top side of discharging pipe, the inside of discharging pipe is provided with fixed frame, the bottom opening of fixed frame with the discharge gate corresponds the intercommunication, the bottom of bull stick runs through the top center department of fixed frame.

Optionally, the both sides of fixed frame all are provided with the push pedal, the bottom surface of push pedal with the medial surface of discharging pipe slides and laminates, the both sides of fixed frame all be provided with two the recess of push pedal one-to-one, the inside fixed mounting of recess has the limiting plate, the limiting plate with the medial surface size of push pedal equals, limiting plate surface equidistance is provided with a plurality of small openings side by side, just the aperture of small opening is less than the aperture of through-hole.

Optionally, a first sliding groove and a second sliding groove are formed in the surface of the limiting plate, the first sliding groove is located at the top of the second sliding groove, the side face of the circumference of the bottom of the rotating rod is connected with the inner side end of a pull rope, the outer side end of the pull rope penetrates through the first sliding groove and is fixedly connected with the inner side face of the push plate, and two sides of the top of the fixed frame are respectively and fixedly connected with arc-shaped bent plates correspondingly matched with the tops of the two push plates.

Optionally, the bottom of bull stick is rotated and is connected with the stopper, the top of stopper is in inside the bottom of bull stick, the medial extremity of the equal fixedly connected with sliding sleeve in bottom both sides of stopper, just the sliding sleeve is in inside the fixed frame, the sliding sleeve with the push pedal one-to-one, sliding sleeve outside end and corresponding pass through sliding rod connection between the push pedal, the slide bar runs through the second spout, the medial extremity of slide bar with sliding sleeve sliding fit, the outside end of slide bar with push pedal medial surface fixed connection, the spring has been cup jointed on the slide bar surface, the spring is in the fixed frame outside.

Optionally, the top of the fixing frame is set to be a hemispherical structure, and the top of the fixing frame corresponds to the position of the partition plate.

The invention also provides a sludge treatment method, which applies the sludge thermal pretreatment wall breaking device and comprises the following steps:

s1, sludge subjected to polyacrylamide flocculation concentration is introduced into a feeding pipe through a feeding hole, a pressing plate is connected with the output end of a stepping motor, the stepping motor is used for driving the pressing plate to rotate in a staged mode, the pressing plate is pushed to gradually extrude sludge in the feeding pipe while the stepping motor is used for driving the pressing plate to rotate, a pressing table is used for driving a stirring rod to rotate synchronously by virtue of the staged rotation of the pressing plate, the stirring rod is used for performing primary scattering operation on the concentrated sludge, and the pressing plate is used for pushing the sludge into the communicating pipe from the feeding pipe in the sludge stirring process;

s2, the primarily scattered sludge enters the communicating pipe through the through hole of the partition plate at the end of the feeding pipe, hot water is introduced into the heating jacket through the heating inlet before the sludge is introduced into the communicating pipe, the communicating pipe is heated by the hot water, the hot water is discharged from the heating outlet, and the communicating pipe is continuously heated by the circulating hot water conveniently, so that the temperature of the communicating pipe is kept unchanged for a period of time;

s3, after the sludge is heated in the communicating pipe for a period of time, performing thermal pretreatment on the sludge at high temperature, pushing the treated sludge to move under the pushing of the sludge entering the communicating pipe after entering the feeding pipe, using the power of the sludge entering the communicating pipe so that the thermally pretreated sludge enters the discharging pipe from the through holes of the side partition plates of the discharging pipe, scattering the sludge again by using the through holes of the two partition plates, and further destroying the binding capacity between sludge particles and binding water;

s4, after the sludge processed twice enters the discharging pipe, the sludge is gradually accumulated in the discharging pipe, a motor is started, the motor works to drive a rotating rod to rotate, the rotating rod rotates to pull the inner side end of a pull rope, the pull rope is gradually wound on the surface of the rotating rod, the pull rope gradually pulls a push plate at the moment, the push plate is gradually close to a limiting plate under the pulling force of the pull rope, a slide rod connected with the inner side end of the push plate gradually enters the sliding sleeve at the moment, and the push plate and the limiting plate are matched to extrude a spring;

s5, when the push plate is close to the limiting plate, the arc-shaped bent plates on two sides of the fixing frame limit the top of the push plate, because the outer convex surface of the arc-shaped bent plate is correspondingly matched with the arc-shaped surface of the side wall of the bottom of the inner side of the discharge pipe, under the limiting matching of the sliding sleeve and the sliding rod, the push plate slides and moves along with the outer side surface of the arc-shaped bent plate in the process of moving to the limiting plate, and in the process that the push plate is close to the limiting plate, the push plate pushes sludge in the discharge pipe, so that the sludge enters the fixing frame through the leak hole under the inference of the push plate, and is discharged through the discharge port, the sludge is scattered by utilizing the leak hole with small aperture, the sludge is primarily subjected to solid-liquid separation, and the fluidity and uniformity of the sludge are obviously improved;

s6, after the push pedal medial surface contacted the limiting plate, motor work made the bull stick reversal, and spring force kick-backs and then makes the push pedal keep away from the limiting plate gradually, and the elasticity of spring and bull stick counter-rotation make the stay cord shift out from fixed frame inside gradually, conveniently move down motor work and drive the bull stick rotation once more, make things convenient for the push pedal to extrude the operation of breaing up with the small opening cooperation of limiting plate to mud once more, guarantee the continuous processing procedure of mud.

The invention has the technical effects and advantages that:

1. according to the invention, after sludge is introduced into the feeding pipe through the feeding hole, the sludge is pushed into the communicating pipe from the feeding pipe by the cooperation of the pressing plate and the pressing table, the sludge in the communicating pipe is subjected to thermal pretreatment by the heating sleeve, the treated sludge enters the communicating pipe after the feeding pipe and is pushed to move, the thermally pretreated sludge enters the discharging pipe from the through holes of the side partition plates of the discharging pipe by the power of the sludge, the sludge is scattered again by the through holes of the two partition plates, the binding capacity between sludge particles and binding water is further destroyed, the sludge is scattered by the discharging pipe, and finally the sludge is discharged through the discharging hole, so that the continuous treatment process of the sludge is ensured.

2. According to the invention, when the push plate is close to the limiting plate, the arc-shaped bent plates on two sides of the fixing frame limit the top of the push plate, because the outer convex surface of the arc-shaped bent plate is correspondingly matched with the arc-shaped surface of the side wall of the bottom of the inner side of the discharge pipe, under the limited matching of the sliding sleeve and the sliding rod, the push plate slides and moves along with the outer side surface of the arc-shaped bent plate in the process of moving to the limiting plate, and in the process of approaching the push plate to the limiting plate, the push plate pushes sludge in the discharge pipe, so that the sludge enters the fixing frame through the leak hole under the inference of the push plate, and is finally discharged through the discharge hole, the sludge is scattered by utilizing the leak hole with small aperture, the sludge is subjected to primary solid-liquid separation, and the fluidity and uniformity of the sludge are obviously improved.

3. The rotating rod is driven to rotate through the working of the motor, the rotating rod rotates to pull the inner side end of the pull rope, the pull rope is wound on the surface of the rotating rod gradually, the pull rope pulls the push plate gradually at the moment, the push plate is close to the limiting plate gradually under the pulling force of the pull rope, the slide rod connected with the inner side end of the push plate gradually enters the sliding sleeve, the push plate and the limiting plate are matched to extrude the spring, when the push plate is close to the limiting plate gradually under the limitation of the arc-shaped bent plate, the inner side end of the push plate drives the slide rod to move downwards in the second sliding groove, the slide rod gradually enters the sliding sleeve in the sliding process, and the slide rod is matched with the second sliding groove in a sliding mode, so that the push plate is prevented from shaking in the moving process, and the inner side face of the push plate is matched with the limiting plate correspondingly all the time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 shows a first wall breaking device for thermal pretreatment of sludge according to an embodiment of the present invention;

FIG. 2 shows a second apparatus for breaking the wall of sludge by thermal pretreatment according to an embodiment of the present invention;

FIG. 3 shows a schematic view of the internal structure of a discharge tube according to an embodiment of the invention;

in the figure: 1. a feed pipe; 2. a feed inlet; 3. a communicating pipe; 4. a discharge pipe; 5. a partition plate; 6. a through hole; 7. heating a jacket; 8. heating the inlet; 9. a heating outlet; 10. a discharge port; 11. pressing a plate; 12. pressing the table; 13. a stirring rod; 14. a top frame; 15. a motor; 16. a rotating rod; 17. a fixing frame; 18. pushing the plate; 19. a limiting plate; 20. a leak hole; 21. a first chute; 22. a second chute; 23. pulling a rope; 24. an arc-shaped bent plate; 25. a limiting block; 26. a sliding sleeve; 27. a slide bar; 28. a spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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 technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The invention provides a sludge thermal pretreatment wall breaking device and a sludge treatment method, as shown in figure 1, the sludge thermal pretreatment wall breaking device comprises a feeding pipe 1, a feeding hole 2 is arranged at the top of the feeding pipe 1, the center of one end part of the feeding pipe 1 is connected with a discharging pipe 4 through a communicating pipe 3, two end openings of the communicating pipe 3 are respectively provided with a partition plate 5, a plurality of through holes 6 are arranged on the surface of each partition plate 5 in parallel at equal intervals, a heating sleeve 7 is sleeved outside the communicating pipe 3, a heating inlet 8 is arranged at the bottom of the heating sleeve 7, a heating outlet 9 is arranged at the top of the heating sleeve 7, the feeding pipe 1 is fixedly connected with the discharging pipe 4 through the heating sleeve 7, and a discharging hole 10 is arranged at the bottom of the discharging pipe 4. Mud enters into inlet pipe 1 inside back through feed inlet 2, utilize clamp plate 11 and pressure platform 12 cooperation to push away mud from inlet pipe 1 communicating pipe 3 inside, utilize heating jacket 7 to carry out thermal pretreatment to the mud of communicating pipe 3 inside, mud after the processing enters into the mud promotion in communicating pipe 3 after inlet pipe 1 and moves down, thereby it makes thermal pretreatment's mud enter into discharging pipe 4 inside to utilize the power of back entering mud to make discharging pipe 4 side baffle 5's through-hole 6 of discharging pipe 4 side baffle 5 enter into discharging pipe 4, utilize through-hole 6 of two baffles 5 to break up the operation once more mud, further destroy the combining ability between mud granule and the combination water, utilize discharging pipe 4 to break up the processing to mud at last, discharge mud through discharge gate 10 at last, guarantee the continuous processing process of mud.

In fig. 1 and 2, an end of the inlet pipe 1 is shaped as a circular truncated cone, the circular truncated cone comprises a top surface and a bottom surface, the diameter of the top surface is smaller than that of the bottom surface, an end of the inlet pipe 1 is the top surface of the circular truncated cone, the diameter of the bottom surface of the circular truncated cone is equal to the outer diameter of the inlet pipe 1, and two partition plates 5 are respectively arranged into a whole with the inlet pipe 1 and the discharge pipe 4. The pressure platform 12 can correspond the cooperation with the tip of inlet pipe 1, conveniently presses platform 12 can be with the mud on surface all extrude communicating pipe 3 inside, avoids mud to pile up on pressure platform 12 surface.

In fig. 1 and 2, 1 one side opening part of inlet pipe is provided with clamp plate 11, and the clamp plate 11 side corresponds the laminating with the internal diameter inner wall of inlet pipe 1, 11 medial surface centers of clamp plate department fixedly connected with pressure platform 12, the tip of pressure platform 12 corresponds the cooperation with the tip of inlet pipe 1, and presses the 12 tip terminal surfaces of platform the same with 5 diameters of baffle, the circumference side annular equidistance of pressure platform 12 is provided with puddler 13 in parallel, the outside end of puddler 13 flushes with the outside limit of pressing platform 12. Connect the step motor output with clamp plate 11, utilize the step motor work to drive 11 stage rotations of clamp plate, in the step motor work drives 11 pivoted of clamp plate, also promote clamp plate 11 and extrude the inside silt of inlet pipe 1 gradually, thereby utilize the stage rotation of clamp plate 11 to utilize and press platform 12 to drive puddler 13 synchronous rotation, utilize puddler 13 to carry out preliminary operation of breaing up to the mud after the concentration, clamp plate 11 also pushes away mud from inlet pipe 1 communicating pipe 3 inside at the in-process of stirring mud.

In fig. 2 and 3, discharging pipe 4 top is provided with roof-rack 14, roof-rack 14 top fixed mounting has motor 15, the top of bull stick 16 is connected to the output of motor 15, and bull stick 16 runs through the top side of discharging pipe 4, inside fixed frame 17 that is provided with of discharging pipe 4, fixed frame 17 bottom opening corresponds the intercommunication with discharge gate 10, and 16 bottoms of bull stick run through fixed frame 17 top center department. The top of the fixing frame 17 is set to be a hemispherical structure, and the top of the fixing frame 17 corresponds to the position of the through hole 6. Let in inside back of discharging pipe 4 when mud through communicating pipe 3, the inevitable meeting of mud that through-hole 6 got into can contact fixed frame 17 top this moment, because the fixed frame 17 of hemispherical structure can avoid mud to pile up at fixed frame 17 top, mud drops from fixed frame 17 top gradually under the influence of gravity.

In fig. 2 and 3, fixed frame 17 both sides all are provided with push pedal 18, the bottom surface of push pedal 18 and the annular medial surface of discharging pipe 4 slide the laminating, and fixed frame 17 both sides all are provided with the recess with two push pedal 18 one-to-ones, the inside fixed mounting of recess has limiting plate 19, limiting plate 19 equals with push pedal 18 medial surface size, limiting plate 19 surface equidistance is provided with a plurality of small openings 20 side by side, and the aperture of small opening 20 is less than the aperture of through-hole 6. The sludge which is primarily scattered is scattered again through the two through holes 6, the binding capacity between sludge particles and binding water is further damaged, then the sludge is scattered for three times by utilizing the extrusion matching of the push plate 18 and the limiting plate 19, the primary solid-liquid separation of the sludge is realized, and the fluidity and the uniformity of the sludge are obviously improved.

In fig. 2 and 3, it is provided with first spout 21 and second spout 22 to limit 19 surfaces of board, first spout 21 is in second spout 22 top, stay cord 23 medial extremity is connected to 16 bottom circumference sides of bull stick, and stay cord 23 outside end runs through first spout 21, and stay cord 23 outside end and push pedal 18 medial surface fixed connection, the equal fixedly connected with in fixed frame 17 top both sides corresponds complex arc bent plate 24 with two push pedal 18 tops, the outer convex surface of arc bent plate 24 corresponds the laminating with the inner concave surface in the top of push pedal 18, and the arc surface of the outer convex surface of arc bent plate 24 is the same with the arc surface of the inboard bottom inner wall of annular of discharging pipe 4. When the push plate 18 is close to the limiting plate 19, the arc-shaped bent plates 24 on two sides of the fixing frame 17 limit the top of the push plate 18 at the moment, because the outer convex surface of the arc-shaped bent plate 24 is correspondingly matched with the arc-shaped surface of the side wall of the bottom of the inner side of the discharge pipe 4, under the limited matching of the sliding sleeve 26 and the sliding rod 27, the push plate 18 slides along the outer side surface of the arc-shaped bent plate 24 in the moving process of the limiting plate 19 at the moment, the push plate 18 is close to the limiting plate 19, the push plate 18 pushes the sludge inside the discharge pipe 4, so that the sludge enters the fixing frame 17 through the leakage hole 20 under the reasoning of the push plate 18, and is discharged through the discharge port 10 finally, the sludge is scattered by utilizing the leakage hole 20 with small aperture, the primary solid-liquid separation of the sludge, and the flowability and the uniformity of the sludge are obviously increased.

In fig. 2 and 3, the bottom of bull stick 16 rotates and is connected with stopper 25, inside stopper 25 top is in bull stick 16 bottom, the equal fixedly connected with sliding sleeve 26 medial extremity in stopper 25 bottom both sides, and sliding sleeve 26 is located inside fixed frame 17, sliding sleeve 26 and push pedal 18 one-to-one, connect through slide bar 27 between sliding sleeve 26 outside end and the corresponding push pedal 18, slide bar 27 runs through second spout 22, slide bar 27 medial extremity and sliding sleeve 26 sliding fit, slide bar 27 outside end and push pedal 18 medial surface fixed connection, spring 28 has been cup jointed on the slide bar 27 surface, spring 28 is in the fixed frame 17 outside. The motor 15 works to drive the rotating rod 16 to rotate, the rotating rod 16 rotates to pull the inner side end of the pull rope 23, the pull rope 23 is wound on the surface of the rotating rod 16 gradually, the pull rope 23 pulls the push plate 18 gradually at the moment, the push plate 18 is close to the limiting plate 19 gradually under the pulling force of the pull rope 23, the slide rod 27 connected with the inner side end of the push plate 18 gradually enters the sliding sleeve 26 at the moment, the push plate 18 is matched with the limiting plate 19 to extrude the spring 28, when the push plate 18 is close to the limiting plate 19 gradually under the limitation of the arc-shaped bent plate 24, the inner side end of the push plate 18 drives the slide rod 27 to move downwards in the second sliding groove 22, the slide rod 27 gradually enters the sliding sleeve 26 in the sliding process, the slide rod 27 is in sliding fit with the second sliding groove 22, the push plate 18 is prevented from shaking in the moving process, and the inner side face of the push plate 18 is enabled to be matched with the limiting plate 19 correspondingly all the time.

The invention also provides a sludge treatment method, which applies the sludge thermal pretreatment wall breaking device, as shown in figures 1-3, and comprises the following steps:

s1, sludge subjected to polyacrylamide flocculation concentration is introduced into a feeding pipe 1 through a feeding hole 2, a pressing plate 11 is connected with the output end of a stepping motor, the stepping motor works to drive the pressing plate 11 to rotate in a staged mode, the pressing plate 11 is pushed to gradually extrude the sludge in the feeding pipe 1 while the stepping motor works to drive the pressing plate 11 to rotate, the pressing table 12 is used to drive a stirring rod 13 to rotate synchronously by the staged rotation of the pressing plate 11, the stirring rod 13 is used to perform primary scattering operation on the concentrated sludge, and the pressing plate 11 also pushes the sludge into a communicating pipe 3 from the feeding pipe 1 in the sludge stirring process;

s2, the primarily scattered sludge enters the communicating pipe 3 through the through hole 6 of the partition plate 5 at the end part of the feeding pipe 1, before the sludge is introduced into the communicating pipe 3, hot water is introduced into the heating jacket 7 through the heating inlet 8, the communicating pipe 3 is heated by the hot water, the hot water is discharged from the heating outlet 9, the communicating pipe 3 is continuously heated by the circulating hot water conveniently, and the temperature of the communicating pipe 3 is kept unchanged within a period of time;

s3, after the sludge is heated in the communicating pipe 3 for a period of time, performing thermal pretreatment on the sludge by using high temperature, pushing the treated sludge to move under the push of the sludge entering the communicating pipe 3 after entering the feeding pipe 1, making the thermally pretreated sludge enter the discharging pipe 4 from the through holes 6 of the side partition plates 5 of the discharging pipe 4 by using the power of the sludge entering the communicating pipe, and performing scattering operation on the sludge again by using the through holes 6 of the two partition plates 5 to further destroy the binding capacity between sludge particles and binding water;

s4, after the sludge processed twice enters the discharging pipe 4, the sludge is gradually accumulated in the discharging pipe 4, the motor 15 is started, the motor 15 works to drive the rotating rod 16 to rotate, the rotating rod 16 rotates to pull the inner side end of the pull rope 23, the pull rope 23 is gradually wound on the surface of the rotating rod 16, the pull rope 23 gradually pulls the push plate 18 at the moment, the push plate 18 gradually approaches to the limiting plate 19 under the pulling force of the pull rope 23, the slide rod 27 connected with the inner side end of the push plate 18 gradually enters the sliding sleeve 26 at the moment, and the push plate 18 and the limiting plate 19 are matched to extrude the spring 28;

s5, when the push plate 18 is close to the limiting plate 19, the arc-shaped bent plates 24 on the two sides of the fixing frame 17 limit the top of the push plate 18, because the outer convex surfaces of the arc-shaped bent plates 24 are correspondingly matched with the arc-shaped surfaces of the side wall of the bottom of the inner side of the discharge pipe 4, under the limiting matching of the sliding sleeve 26 and the sliding rod 27, the push plate 18 slides along the outer side surfaces of the arc-shaped bent plates 24 in the process of moving towards the limiting plate 19, and in the process that the push plate 18 is close to the limiting plate 19, the push plate 18 pushes the sludge in the discharge pipe 4, so that the sludge enters the fixing frame 17 through the leakage holes 20 under the reasoning of the push plate 18 and is finally discharged through the discharge hole 10, the sludge is finally scattered by utilizing the leakage holes 20 with small hole diameters, the sludge is primarily separated, and the fluidity and the uniformity of the sludge are obviously increased;

s6, after the inner side surface of the push plate 18 contacts the limiting plate 19, the motor 15 works to enable the rotating rod 16 to rotate reversely, the spring 28 rebounds to enable the push plate 18 to be gradually far away from the limiting plate 19, the elastic force of the spring 28 and the rotating rod 16 rotate reversely to enable the pull rope 23 to be gradually shifted out from the inside of the fixing frame 17, the motor 15 conveniently moves downwards to work and drive the rotating rod 16 to rotate again, the push plate 18 is conveniently matched with the leak hole 20 of the limiting plate 19 again to extrude and break up sludge, and the continuous treatment process of the sludge is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that various 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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. The utility model provides a mud thermal pretreatment broken wall device which characterized in that: the device comprises a feeding pipe (1), wherein a feeding port (2) is formed in the top of the feeding pipe (1), the center of one end of the feeding pipe (1) is connected with a discharging pipe (4) through a communicating pipe (3), partition plates (5) are arranged at openings at two ends of the communicating pipe (3), a plurality of through holes (6) are arranged on the surfaces of the partition plates (5) in parallel at equal intervals, a heating sleeve (7) is sleeved on the outer side of the communicating pipe (3), a heating inlet (8) is formed in the bottom of the heating sleeve (7), a heating outlet (9) is formed in the top of the heating sleeve (7), the feeding pipe (1) is fixedly connected with the discharging pipe (4) through the heating sleeve (7), and a discharging port (10) is formed in the bottom of the discharging pipe (4);

the discharging pipe discharging device is characterized in that a top frame (14) is arranged at the top of the discharging pipe (4), a motor (15) is fixedly mounted at the top of the top frame (14), the output end of the motor (15) is connected with the top end of a rotating rod (16), the rotating rod (16) penetrates through the side edge of the top of the discharging pipe (4), a fixed frame (17) is arranged inside the discharging pipe (4), the bottom opening of the fixed frame (17) is correspondingly communicated with the discharging port (10), and the bottom end of the rotating rod (16) penetrates through the center of the top of the fixed frame (17);

push plates (18) are arranged on two sides of the fixed frame (17), the bottom surface of each push plate (18) is in sliding fit with the inner side surface of the discharge pipe (4), grooves corresponding to the two push plates (18) one by one are arranged on two sides of the fixed frame (17), limiting plates (19) are fixedly arranged in the grooves, the sizes of the limiting plates (19) and the inner side surfaces of the push plates (18) are equal, a plurality of leakage holes (20) are arranged on the surfaces of the limiting plates (19) in parallel at equal intervals, and the aperture of each leakage hole (20) is smaller than that of the through hole (6);

a first sliding groove (21) and a second sliding groove (22) are formed in the surface of the limiting plate (19), the first sliding groove (21) is located at the top of the second sliding groove (22), the circumferential side face of the bottom of the rotating rod (16) is connected with the inner side end of a pull rope (23), the outer side end of the pull rope (23) penetrates through the first sliding groove (21) and is fixedly connected with the inner side face of the push plate (18), and two sides of the top of the fixing frame (17) are respectively and fixedly connected with arc-shaped bent plates (24) correspondingly matched with the tops of the two push plates (18);

the bottom of bull stick (16) is rotated and is connected with stopper (25), the top of stopper (25) is in inside the bottom of bull stick (16), the medial extremity of the equal fixedly connected with sliding sleeve (26) in bottom both sides of stopper (25), just sliding sleeve (26) are in inside fixed frame (17), sliding sleeve (26) with push pedal (18) one-to-one, sliding sleeve (26) outside end and corresponding connect through slide bar (27) between push pedal (18), slide bar (27) run through second spout (22), the medial extremity of slide bar (27) with sliding sleeve (26) sliding fit, the outside end of slide bar (27) with push pedal (18) medial surface fixed connection, spring (28) have been cup jointed on slide bar (27) surface, spring (28) are in the fixed frame (17) outside.

2. The sludge thermal pretreatment wall breaking device according to claim 1, characterized in that:

the inlet pipe (1) the appearance of a tip sets up to the round platform, the round platform includes top surface and bottom surface, and the diameter of top surface is less than the diameter of bottom surface, inlet pipe (1) the terminal surface of a tip is the top surface of round platform, the diameter of bottom surface with the external diameter of inlet pipe (1) equals, two baffle (5) respectively with inlet pipe (1) and discharging pipe (4) set up as an organic whole.

3. The sludge thermal pretreatment wall breaking device according to claim 2, characterized in that:

the other end of inlet pipe (1) is equipped with the opening, rotationally install clamp plate (11) in the opening, clamp plate (11) side with the inner wall laminating of inlet pipe (1), the medial surface center department of clamp plate (11) is pressure platform (12) of round platform form through spliced pole fixedly connected with, the terminal surface of a tip of pressing platform (12) with baffle (5) diameter is the same, another tip of pressing platform (12) with the spliced pole is connected, the circumference side annular equidistance of spliced pole is provided with a plurality of puddlers (13) side by side.

4. The sludge thermal pretreatment wall breaking device according to claim 1, characterized in that:

the top of fixed frame (17) sets up to hemispherical structure, just the top of fixed frame (17) with the position of baffle (5) corresponds.

5. A sludge treatment method is characterized in that: the sludge treatment method using the sludge thermal pretreatment wall breaking device according to claim 1 comprises the following steps:

s1, sludge subjected to polyacrylamide flocculation concentration is introduced into a feeding pipe (1) through a feeding hole (2), a pressing plate (11) is connected with the output end of a stepping motor, the pressing plate (11) is driven to rotate in a staged mode through the work of the stepping motor, the pressing plate (11) is also pushed to gradually extrude sludge inside the feeding pipe (1) while the pressing plate (11) is driven to rotate in the work of the stepping motor, a pressing table (12) is utilized to drive a stirring rod (13) to rotate synchronously through the staged rotation of the pressing plate (11), the stirring rod (13) is utilized to perform primary scattering operation on the concentrated sludge, and the pressing plate (11) pushes the sludge into a communicating pipe (3) from the feeding pipe (1) in the sludge stirring process;

s2, the primarily scattered sludge enters the communicating pipe (3) through the through hole (6) of the end partition plate (5) of the feeding pipe (1), before the sludge is introduced into the communicating pipe (3), hot water is introduced into the heating sleeve (7) through the heating inlet (8), the communicating pipe (3) is heated by the hot water, the hot water is discharged from the heating outlet (9), the communicating pipe (3) is continuously heated by the circulating hot water conveniently, and the temperature of the communicating pipe (3) is kept unchanged within a period of time;

s3, after the sludge is heated in the communicating pipe (3) for a period of time, performing thermal pretreatment on the sludge by using high temperature, pushing the treated sludge into the communicating pipe (3) after entering the feeding pipe (1) to move, making the thermally pretreated sludge enter the discharging pipe (4) from the through holes (6) of the side partition plates (5) of the discharging pipe (4) by using the power of the sludge entering the communicating pipe, scattering the sludge again by using the through holes (6) of the two partition plates (5), and further destroying the binding capacity between sludge particles and binding water;

s4, sludge after twice processing enters the discharging pipe (4) and then is gradually accumulated in the discharging pipe (4), a motor (15) is started, the motor (15) works to drive a rotating rod (16) to rotate, the rotating rod (16) rotates to pull the inner side end of a pull rope (23), the pull rope (23) is gradually wound on the surface of the rotating rod (16), the pull rope (23) gradually pulls a push plate (18) at the moment, the push plate (18) is gradually close to a limiting plate (19) under the pulling force of the pull rope (23), a sliding rod (27) connected with the inner side end of the push plate (18) gradually enters the inside of a sliding sleeve (26) at the moment, and the push plate (18) and the limiting plate (19) are matched to extrude a spring (28);

s5, when the push plate (18) is close to the limiting plate (19), the arc-shaped bent plates (24) on the two sides of the fixing frame (17) limit the top of the push plate (18), because the outer convex surfaces of the arc-shaped bent plates (24) are correspondingly matched with the arc-shaped surfaces of the side walls of the inner bottom of the discharge pipe (4), under the limiting matching of the sliding sleeve (26) and the sliding rod (27), the push plate (18) slides along the outer side surfaces of the arc-shaped bent plates (24) in the process of moving to the limiting plate (19), and in the process that the push plate (18) is close to the limiting plate (19), the push plate (18) pushes sludge inside the discharge pipe (4), so that the sludge enters the fixing frame (17) through the leakage holes (20) under the inference of the push plate (18), and is discharged through the discharge hole (10), and finally the sludge is scattered by utilizing the leakage holes (20) with small pore diameters, the primary solid-liquid separation of the sludge is carried out, and the fluidity of the sludge is obviously increased;

s6, push pedal (18) medial surface contacts behind limiting plate (19), motor (15) work makes bull stick (16) reversal, spring (28) elasticity resilience and then makes push pedal (18) keep away from limiting plate (19) gradually, and the elasticity of spring (28) and bull stick (16) antiport make stay cord (23) shift out from fixed frame (17) inside gradually, conveniently move down motor (15) work and drive bull stick (16) rotation once more, make things convenient for push pedal (18) to extrude the operation of breaing up with the small opening (20) cooperation of limiting plate (19) once more to mud, guarantee the continuous processing process of mud.

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