Municipal sludge treatment device

Abstract

The utility model provides a municipal sludge treatment device, which belongs to the technical field of sludge treatment and comprises an extrusion shell, a stirring shell is mounted at the bottom of the extrusion shell, a feeding shell is mounted at the top of the extrusion shell, an extrusion cavity is formed in the extrusion shell, and a falling channel is formed in the right side of the bottom of the extrusion shell. A drainage groove formed in the extrusion shell is formed in the lower portion of the extrusion cavity, a water pressing assembly is arranged in the extrusion cavity, and a heating and drying assembly is arranged in the stirring shell. The sludge drying device solves the problems that an existing device cannot conduct pretreatment during drying, sludge is doped with water, subsequent drying treatment is not facilitated, sludge stirring is not sufficient, the wall surface is stained with the sludge due to the fact that the sludge is sticky, and stirring drying and subsequent cleaning of the sludge are not facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sludge treatment technical field, concretely relates to a municipal sludge treatment device. BACKGROUND

[0002] The existing treatment mode is generally to transport sludge to a fixed point for centralized treatment, municipal sludge contains a large amount of water, and the water content is about 80%, which is a slurry material (i.e. semi-liquid) with very high viscosity, and the transportation cost is relatively high. In addition, the existing urban domestic sewage treatment method is to dry the sludge in the sewage, which generally includes direct heat drying and indirect heat drying, after the municipal sludge is dewatered and dried, the water content is reduced, the volume is reduced to 1 / 5-1 / 4 of the original, and the remaining material after drying is relatively stable, the odor and pathogenic organisms are greatly removed, and the heat value and nutrient components are preserved.

[0003] The existing device cannot be pretreated during drying, the sludge is mixed with water, which is not conducive to subsequent drying treatment, and the stirring of the sludge is not sufficient, the sludge will be attached to the wall surface due to the viscosity of the sludge, which is not conducive to the stirring and drying of the sludge and subsequent cleaning, and thus a municipal sludge treatment device is provided. SUMMARY

[0004] The utility model provides a municipal sludge treatment device, its purpose lies in solving the existing device cannot be pretreated during drying, the sludge is mixed with water, which is not conducive to subsequent drying treatment, and the stirring of the sludge is not sufficient, the sludge will be attached to the wall surface due to the viscosity of the sludge, which is not conducive to the stirring and drying of the sludge and subsequent cleaning.

[0005] The utility model embodiment provides a municipal sludge treatment device, including extrusion shell, the bottom of extrusion shell is installed with stirring shell, the top of extrusion shell is installed with input shell, is seted up in extrusion shell extrusion cavity, the bottom right side of extrusion shell is seted up with drop channel, the lower portion of extrusion cavity is provided with the drainage tank of setting up on extrusion shell, be provided with the water compression subassembly in extrusion cavity, be provided with heating drying subassembly in stirring shell.

[0006] Further, the water compression subassembly includes a motor installed on the left side of the extrusion shell, the output end of the motor is fixedly connected with a rotating rod, a spiral blade is installed on the rotating rod, an installation shell is installed on the right side of the extrusion shell, the right end of the rotating rod is rotatably connected with the installation shell, an extrusion plate is slidably connected with the rotating rod, a spring is installed between the extrusion plate and the installation shell, a water filter net is installed on the wall between the extrusion cavity and the drainage tank, a scraping plate is slidably connected in the drainage tank, and a pull rod is installed on the scraping plate and protrudes from the drainage tank.

[0007] By adopting the above technical scheme, the sludge is pressed when the sludge is conveyed by the water pressing assembly, and the water in the sludge is pressed and squeezed out, so that the water in the sludge can be reduced, which is beneficial to subsequent drying treatment and improves the efficiency.

[0008] Further, the front and rear sidewalls of the drainage groove are provided with sliding grooves, the front and rear sides of the scraping plate are provided with sliding blocks matched with the sliding grooves, the bottom of the scraping plate is attached to the groove bottom of the drainage groove, and the groove bottom of the drainage groove is obliquely arranged.

[0009] By adopting the above technical scheme, the sludge adhering to the groove bottom of the drainage groove can be scraped out of the drainage groove by the cooperation of the sliding blocks on the scraping plate and the sliding grooves, and the subsequent cleaning is facilitated, and the water pressed out can flow out of the drainage groove, and a drainage channel can be installed at the outlet of the drainage groove to guide the sewage away.

[0010] Further, the extrusion plate and the extrusion cavity are matched in shape, two springs are arranged above and below the extrusion plate, one end of the spring is connected with the extrusion plate, and the other end of the spring is connected with the mounting shell.

[0011] By adopting the above technical scheme, the sludge must move to the position of the falling channel through the extrusion plate, and the force generated by the movement and the pressure applied to the sludge by the spring and the extrusion plate during this period can cause the water in the sludge to be squeezed out of the water filter net, so that the water can be better removed, and the efficiency of the drying treatment is improved.

[0012] Further, the heating and drying assembly comprises a second motor arranged on the left side of the stirring shell, one end of an output shaft of the second motor is fixedly connected with one end of a second rotating rod, the other end of the second rotating rod is rotatably connected with a connecting table, the connecting table is fixedly connected with the right side of the stirring shell, the right side of the stirring shell is fixedly connected with a cover shell, a fan is installed in the cover shell, a drainage pipe is fixedly connected to the connecting table, a plurality of hollow rods are fixedly connected to the second rotating rod, the hollow rods are evenly distributed, one of the hollow rods is fixedly connected with a same scraper, and a through cavity is formed in the second rotating rod.

[0013] By adopting the above technical scheme, the rotation of the second rotating rod is driven by the second motor, the rotation of the second rotating rod allows the hollow rods and the scraper to rotate, the stirring of the sludge by the hollow rods allows the sludge to better contact the hot air for drying, and the rotation of the scraper allows the sludge adhering to the wall of the stirring shell to be scraped off, which facilitates the treatment and subsequent discharge of the sludge, and in the stirring process, the hot air enters the through cavity and the hollow rods through the cover shell and the fan, which can better contact and dry the sludge, and the hot air enters the stirring shell through the drainage pipe, contacts and dries the sludge, and the air outlet end of the drainage pipe faces downward and does not enter the sludge.

[0014] Further, the hollow rod is connected with one end of the rotating rod and is open and communicated with the inlet cavity, the shell is connected with the pipeline, the shell is connected with the hot air gun through the pipeline, the scraper is attached to the inner wall of the stirring shell, the connecting table is provided with a cavity, and the cavity is communicated with the drainage pipe and the shell.

[0015] By adopting the above technical scheme, the hot air gun is connected with the outlet through the pipeline to input hot air for drying treatment, the scraper can scrape the sludge on the inner wall of the stirring shell, and the cavity can divert the hot air to the drainage pipe and the inlet cavity.

[0016] Further, the bottom of the extrusion shell is connected with symmetric and openable and closable shell doors, and the bottom of the stirring shell is fixedly connected with a plurality of uniformly distributed supporting legs.

[0017] By adopting the above technical scheme, the shell doors can take out the sludge in the stirring shell, and the supporting legs can lift the bottom space of the stirring shell, so that the carrier loaded with the sludge can conveniently enter and exit.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The water compression assembly can compress the sludge during conveying, extrude the water in the sludge, reduce the water content in the sludge, facilitate subsequent drying treatment, and improve efficiency.

[0020] 2. The motor two drives the rotating rod two, the hollow rod and the scraper to rotate, the hollow rod stirs the sludge to make the sludge better contact hot air for drying, the scraper scrapes the sludge attached to the wall of the stirring shell, facilitates sludge treatment and subsequent discharge, in the stirring process, hot air enters the inlet cavity and the hollow rod through the shell, better contacts the sludge for drying, a part of hot air enters the stirring shell through the drainage pipe, contacts the sludge for drying, and accelerates the drying efficiency.

[0021] Other features and advantages of the utility model will be set forth in the subsequent description, and partially become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure specially pointed out in the description and the drawings. DETAILED DESCRIPTION

[0022] The accompanying drawings are used to provide further understanding of the utility model, constitute part of the description, are used to explain the utility model together with embodiments of the utility model, and do not constitute limitation on the utility model. In the drawings:

[0023] Fig. 1 It is a structural schematic view of the embodiment of the utility model.

[0024] Fig. 2 It is the left view structural schematic drawing of the utility model embodiment;

[0025] Fig. 3 It is the right view structural schematic drawing of the utility model embodiment's scraper;

[0026] The figure mark: 1, extrusion shell, 2, put into shell, 3, extrusion cavity, 4, drop passageway, 5, drainage groove, 6, stirring shell, 71, motor one, 72, rotating rod one, 73, spiral blade, 74, water filter net, 75, installation shell, 76, spring, 77, extrusion plate, 78, scraping plate, 79, pull rod, 81, motor two, 82, rotating rod two, 84, pass into cavity, 85, hollow rod, 86, connecting table, 87, cover shell, 88, drainage tube, 89, fan, 810, scraper, 9, shell door. DETAILED DESCRIPTION

[0027] In order to make the technical scheme of the utility model's purpose, technical scheme and advantage more clearly, the following will be combined with the utility model specific embodiment's drawing, the technical scheme of the utility model embodiment is clearly, completely described. Same figure mark in drawing represents same part. It is needful to explain that the described embodiment is the utility model's part embodiment, rather than all embodiments. Based on the described utility model's embodiment, all other embodiments that the person skilled in the art obtains without the premise of creative labor belong to the scope of the utility model protection.

[0028] Referring to Figs. 1-3 The utility model embodiment proposes a kind of municipal sludge treatment device, including extrusion shell 1, stirring shell 6 is installed at the bottom of extrusion shell 1, put into shell 2 is installed at the top of extrusion shell 1, extrusion cavity 3 is opened in extrusion shell 1, drop passageway 4 is opened at the bottom right side of extrusion shell 1, drainage groove 5 is set in the lower portion of extrusion cavity 3 and is opened on extrusion shell 1, water compression subassembly is provided in extrusion cavity 3, heating drying subassembly is provided in stirring shell 6.

[0029] The water pressing assembly comprises a first motor 71 arranged on the left side of the extrusion shell 1, the output end of the first motor 71 is fixedly connected with a rotating rod 72, the rotating rod 72 is provided with a spiral blade 73, an installation shell 75 is arranged on the right side of the extrusion shell 1, the right end of the rotating rod 72 is rotationally connected with the installation shell 75, the rotating rod 72 is slidably connected with an extrusion plate 77, the spring 76 is arranged between the extrusion plate 77 and the installation shell 75, the water filter net 74 is arranged on the wall between the extrusion cavity 3 and the drainage groove 5, the scraping plate 78 is slidably arranged in the drainage groove 5, the pulling rod 79 is arranged on the scraping plate 78 and protrudes out of the drainage groove 5, and the water pressing assembly is used for pressing the sludge when conveying the sludge, so that the water in the sludge is pressed out, the water in the sludge is reduced, and the subsequent drying treatment is facilitated, and the efficiency is improved.

[0030] The front and rear walls of the drainage groove 5 are provided with sliding grooves, the front and rear sides of the scraping plate 78 are provided with sliding blocks matched with the sliding grooves, the bottom of the scraping plate 78 is attached to the groove bottom of the drainage groove 5, the groove bottom of the drainage groove 5 is arranged in an inclined manner, the sliding blocks on the scraping plate 78 are matched with the sliding grooves, the scraping plate 78 can be stably moved, the sludge attached to the groove bottom of the drainage groove 5 is scraped out of the drainage groove 5, and the subsequent cleaning is facilitated, and the drainage groove 5 can make the pressed water flow out, and a drainage channel can be arranged at the outlet of the drainage groove 5 to drain the sewage.

[0031] The extrusion plate 77 and the extrusion cavity 3 are matched in shape, the spring 76 is arranged in two layers, one end of the spring 76 is connected with the extrusion plate 77, and the other end of the spring 76 is connected with the installation shell 75, the cooperation of the extrusion plate 77 and the spring 76 is used, the sludge must move to the position of the falling channel 4 through the extrusion plate 77, during which the force generated by the movement and the pressure applied by the spring 76 and the extrusion plate 77 on the sludge can cause the water in the sludge to be pressed out from the water filter net 74, the water can be better removed, and the efficiency of the drying treatment is improved.

[0032] The heating and drying assembly comprises a second motor 81 arranged on the left side of the stirring shell 6, one end of a rotating rod 82 is fixedly connected to the output end of the second motor 81, the other end of the rotating rod 82 is rotatably connected to a connecting table 86, the connecting table 86 is fixedly connected to the right side of the stirring shell 6, the right side of the stirring shell 6 is fixedly connected to a cover shell 87, a fan 89 is installed in the cover shell 87, a flow guide pipe 88 is fixedly connected to the connecting table 86, a plurality of hollow rods 85 are fixedly connected to the rotating rod 82, the hollow rods 85 on one side are fixedly connected to the same scraper 810, a through cavity 84 is formed in the rotating rod 82, the rotation of the rotating rod 82 is driven by the second motor 81, the rotation of the rotating rod 82 drives the rotation of the hollow rods 85 and the scraper 810, the stirring of the sludge by the hollow rods 85 can make the sludge better contact with hot air for drying, and the rotation of the scraper 810 can contact the wall of the stirring shell 6 to scrape off the sludge attached to the wall of the stirring shell 6, which can facilitate the treatment and subsequent discharge of the sludge, and in the stirring process, hot air enters through the cover shell 87 and is guided by the fan 89 into the through cavity 84 and the hollow rods 85, which can better contact and dry the sludge, and hot air also enters the stirring shell 6 through the flow guide pipe 88 to contact and dry the sludge, and the outlet end of the flow guide pipe 88 faces downward and does not contact the sludge.

[0033] The one end of the hollow rod 85 connected to the rotating rod 82 is open and communicates with the through cavity 84, the cover shell 87 is connected to a pipeline, the cover shell 87 is connected to a hot air gun through the pipeline, the scraper 810 is attached to the inner wall of the stirring shell 6, a cavity is formed in the connecting table 86, the cavity communicates with the flow guide pipe 88 and the cover shell 87, hot air is input through the outlet of the hot air gun connected by the pipeline for drying treatment, and the scraper 810 can scrape off the sludge on the inner wall of the stirring shell 6, and the cavity can divert hot air to the flow guide pipe 88 and the through cavity 84.

[0034] The bottom of the extrusion shell 1 is connected to symmetrical and openable and closable shell doors 9, and the bottom of the stirring shell 6 is fixedly connected to a plurality of evenly distributed support legs, the sludge in the stirring shell 6 can be taken out by the shell doors 9, and the bottom space of the stirring shell 6 can be raised by the support legs for the convenience of loading and unloading of the carrier.

[0035] The embodiment is specific: in use, the motor 71 is started, the motor 71 drives the rotation of the rotating rod 72 and the spiral blade 73, the sludge is thrown into the shell 2, the spiral blade 73 drives the sludge to move to the right and contact the pressing plate 77, then the pressing plate 77 is pressed under the effect of the spring 76, the extrusion force is generated, the water in the sludge is extruded out at the filter screen 74, the pretreatment is carried out, the subsequent sludge drying treatment is facilitated, and the extruded water is discharged through the filter screen 74, in the subsequent process, the scraping plate 78 can be scraped by pulling the pulling rod 79, the bottom of the water drainage groove 5 is cleaned, the sludge moving to the falling channel 4 falls into the stirring shell 6, and the motor 82 is started, drives the rotation of the rotating rod 82, the hollow rod 85 and the scraper 810, the hollow rod 85 stirs the sludge to make the sludge better contact hot air for drying, and the scraper 810 rotates and contacts the wall of the stirring shell 6 to scrape the sludge attached to the wall of the stirring shell 6, so that the sludge is conveniently treated and discharged, and in the stirring process, hot air is introduced through the cover 87 and introduced into the introduction cavity 84 and the hollow rod 85 under the guidance of the fan 89, so that the hot air better contacts and dries the sludge, and hot air is introduced into the stirring shell 6 through the drainage pipe 88 and contacts and dries the sludge, the air outlet end of the drainage pipe 88 faces downward and does not contact the sludge, then the sludge is treated, and the sludge in the stirring shell 6 is taken out through the shell door 9.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A municipal sludge treatment plant comprising an extrusion shell (1), characterised in that, The bottom of the extrusion shell (1) is provided with a stirring shell (6), the top of the extrusion shell (1) is provided with a feeding shell (2), the extrusion shell (1) is provided with an extrusion cavity (3), the bottom right side of the extrusion shell (1) is provided with a falling channel (4), the lower side of the extrusion cavity (3) is provided with a drainage groove (5) arranged on the extrusion shell (1), the extrusion cavity (3) is provided with a water pressing assembly, and the stirring shell (6) is provided with a heating and drying assembly.

2. A municipal sludge treatment apparatus according to claim 1, characterised in that: The water pressing assembly comprises a motor one (71) arranged on the left side of the extrusion shell (1), the output end of the motor one (71) is fixedly connected with a rotating rod one (72), the rotating rod one (72) is provided with a spiral blade (73), the right side of the extrusion shell (1) is provided with a mounting shell (75), the right end of the rotating rod one (72) is rotatably connected with the mounting shell (75), the rotating rod one (72) is slidably connected with an extrusion plate (77), the extrusion plate (77) and the mounting shell (75) are provided with springs (76), the wall between the extrusion cavity (3) and the drainage groove (5) is provided with a water filtering net (74), the drainage groove (5) is slidably connected with a scraping plate (78), and the scraping plate (78) is provided with a pulling rod (79) protruding out of the drainage groove (5).

3. A municipal sludge treatment apparatus as claimed in claim 2, characterised in that: The front and rear walls of the drainage groove (5) are provided with sliding grooves, the front and rear sides of the scraping plate (78) are provided with sliding blocks matched with the sliding grooves, the bottom of the scraping plate (78) is attached to the groove bottom of the drainage groove (5), and the groove bottom of the drainage groove (5) is arranged obliquely.

4. A municipal sludge treatment apparatus as claimed in claim 2, wherein: The extrusion plate (77) and the extrusion cavity (3) are matched in shape, the springs (76) are arranged in two layers, one end of the spring (76) is connected with the extrusion plate (77), and the other end of the spring (76) is connected with the mounting shell (75).

5. A municipal sludge treatment apparatus as claimed in claim 4, characterised in that: The heating and drying assembly comprises a motor two (81) arranged on the left side of the stirring shell (6), one end of the output end of the motor two (81) is fixedly connected with a rotating rod two (82), the other end of the rotating rod two (82) is rotatably connected with a connecting table (86), the right side of the stirring shell (6) is fixedly connected with the connecting table (86), the right side of the stirring shell (6) is fixedly connected with a cover shell (87), the cover shell (87) is provided with a fan (89), the connecting table (86) is fixedly connected with a drainage pipe (88), the rotating rod two (82) is fixedly connected with a plurality of hollow rods (85) uniformly distributed, one side of the hollow rod (85) is fixedly connected with the same scraper (810), and the rotating rod two (82) is provided with a through cavity (84).

6. A municipal sludge treatment apparatus as claimed in claim 5, characterised in that: One end of the hollow rod (85) connected with the rotating rod two (82) is arranged in an open manner and communicates with the through cavity (84), the cover shell (87) is connected with a pipeline, the cover shell (87) is connected with hot air through the pipeline, the scraper (810) is attached to the inner wall of the stirring shell (6), the connecting table (86) is provided with a cavity, and the cavity communicates with the drainage pipe (88) and the cover shell (87).

7. A municipal sludge treatment apparatus as claimed in claim 5, wherein: The bottom of the extrusion shell (1) is connected with symmetrical and openable shell doors (9), and the bottom of the stirring shell (6) is fixedly connected with several support legs which are uniformly distributed.

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