CN211497363U

CN211497363U - Sludge dewatering device

Info

Publication number: CN211497363U
Application number: CN202020883328.3U
Authority: CN
Inventors: 刘冬英; 谢原卿; 王均宁; 曹星
Original assignee: Haikou Eking Environmental Protection Technology Co ltd
Current assignee: Haikou Eking Environmental Protection Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-09-15
Anticipated expiration: 2030-05-25

Abstract

The utility model provides a sludge dewatering device, including extrusion dewatering mechanism and stirring dewatering mechanism, this extrusion dewatering mechanism includes recipient, screw extruder, extrusion driving motor, mud cake baffle, extrusion cylinder, and this stirring dewatering mechanism includes agitator, agitator motor, scraping wings, pushes away material subassembly and sets up the heater in this agitator inside. The utility model discloses a heater heats the agitator, and the effect that stirs mud at the agitator stirs the in-process through the heat transfer risees the temperature of mud to moisture in this evaporation mud, and through hot-blast conveying subassembly, convulsions subassembly more can evaporate the moisture of mud with higher speed, through the utility model discloses a mud after the preliminary dehydration of stirring dewatering mechanism enters into the extrusion of extrusion dewatering mechanism and dewaters once more, with this still remaining moisture in the extrusion mud to with mud formation mud cake, solve the too high problem of mud cake water content that present sludge dewatering machine formed.

Description

Sludge dewatering device

Technical Field

The utility model relates to a dewatering device, more specifically indicate a sludge dewatering device.

Background

With the progress of society and the development of industry, the discharge of domestic sewage and sludge in factories and families is increased, and the produced sludge pollutes the environment, so that the sludge can be treated, and the sludge dehydration refers to a sludge treatment method for removing water from the fluid primary, concentrated or digested sludge and converting the fluid primary, concentrated or digested sludge into semisolid or solid sludge blocks. The existing sludge treatment equipment generally adopts a mechanical dehydration mode such as a centrifugation or filtration method to dehydrate the water in the gaps in the sludge, and for some sludge which is difficult to treat, the water content of the sludge after the sludge cake is formed is still high, the dehydration efficiency is not high, the sludge needs to be further dehydrated, and the existing dehydrator is difficult to control the problem that the water dehydrated by the sludge pollutes the air.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a sludge dewatering device, it is through unique structural design, at first carries out preliminary dehydration to mud through its stirring dewatering mechanism, then extrudees the dehydration once more to the mud after preliminary dehydration through extrusion dewatering mechanism, and the mud water content that realizes forming is extremely low, solves the too high problem of mud cake water content that present sludge dewatering machine formed.

The utility model adopts the technical proposal that: the utility model provides a sludge dewatering device, including extrusion dewatering mechanism and stirring dewatering mechanism, this extrusion dewatering mechanism includes the recipient, the screw extrusion ware of setting in this recipient, the setting is used for driving the rotatory extrusion driving motor of this screw extrusion ware in this recipient outside, set up at this screw extrusion ware left side and screw extrusion ware complex mud cake baffle, an extrusion cylinder for promoting the removal of this mud cake baffle, this stirring dewatering mechanism includes the agitator that link up with this recipient, the agitator that alternative entering perhaps breaks away from this agitator, be used for driving the rotatory agitator motor of this agitator, the setting is used for pushing away the scraping wings of material on this agitator left side, a heater that is used for promoting the material pushing component and sets up inside this agitator that this scraping wings removed in this agitator.

The stirrer comprises a rotating pipe and a stirring end arranged on the outer surface of the rotating pipe, and the heater is fixed on the inner surface of the rotating pipe.

The right-hand member of this agitator is provided with hot-blast conveying subassembly, and the left end of this agitator is provided with convulsions subassembly, and this hot-blast conveying subassembly includes air supply fan, hot-blast main, installation shell, heating wire and thermocouple, and this hot-blast main link up with this agitator, and this installation shell is connected between this hot-blast main and this air supply fan, and this heating wire and thermocouple are installed at this installation shell.

The air draft assembly comprises an air draft air pipe communicated with the stirring barrel and an air draft fan connected with the air draft air pipe.

This stirring dewatering mechanism still includes the elevating system who is used for driving this agitator to get into or break away from the agitator, and this elevating system is including fixing the mount in this agitator top, supplying the frame of this agitator installation, liftable setting in this mount and with the fixed lift frame of this frame, fix the lift cylinder that is used for promoting this lift frame lift on this mount.

The material pushing assembly comprises a positioning frame, a guide rail, a slide rod, a movable rod, a connecting rod and a material pushing cylinder, the guide rail is fixed to the top of the positioning frame, the slide rod is slidably mounted on the guide rail and fixed to the material pushing plate, two ends of the connecting rod are movably connected with the movable rod and the slide rod respectively, the middle of the slide rod is movably connected with the bottom of the positioning frame, and a cylinder shaft of the material pushing cylinder is movably connected with the bottom end of the movable rod.

The screw extruder comprises a conical shaft pipe, a main shaft pipe and a screw iron, wherein the conical shaft pipe is fixed on the left side of the main shaft pipe, and the screw iron is fixed on the outer surfaces of the conical shaft pipe and the main shaft pipe.

The utility model has the advantages that: the utility model discloses a heater heats the agitator, and the effect that stirs mud at the agitator stirs the in-process through the heat transfer risees the temperature of mud to moisture in this evaporation mud, and through hot-blast conveying subassembly, convulsions subassembly more can evaporate the moisture of mud with higher speed, through the utility model discloses a mud after the preliminary dehydration of stirring dewatering mechanism enters into the extrusion of extrusion dewatering mechanism and dewaters once more, with this still remaining moisture in the extrusion mud to with mud formation mud cake, solve the too high problem of mud cake water content that present sludge dewatering machine formed.

The utility model discloses a cooperation of hot-blast conveying subassembly and convulsions subassembly can evaporate the moisture on mud surface fast, can also prevent moisture contaminated air, solves the contaminated air's that present sludge dewatering mechanism exists problem.

Drawings

Fig. 1 and 2 are schematic structural diagrams of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1 to 2 together, the present invention provides a sludge dewatering device, which comprises an extruding dewatering mechanism 10 and a stirring dewatering mechanism 20, wherein the extruding dewatering mechanism 10 comprises an extruding cylinder 11, a screw extruder 12 disposed in the extruding cylinder 11, an extruding driving motor 13 disposed outside the extruding cylinder 11 for driving the screw extruder 12 to rotate, a cake baffle 14 disposed on the left side of the screw extruder 12 and matched with the screw extruder 12, and a extruding cylinder 15 for pushing the cake baffle 14 to move, the stirring dewatering mechanism 20 comprises a stirring barrel 21 communicated with the extruding cylinder 11, a stirrer 22 selectively entering or departing from the stirring barrel 21, a stirring motor 23 for driving the stirrer 22 to rotate, a material pushing plate 24 disposed on the left side of the stirrer 22 for pushing material, a material pushing assembly 25 for pushing the material pushing plate 24 to move in the stirring barrel 21, and a heater disposed inside the stirrer 22 26.

The sludge to be treated firstly enters the stirring barrel 21, the stirrer 22 is driven to rotate in the stirring barrel 21 through the stirring motor 23, the sludge entering the stirring barrel 21 is stirred through the stirrer, the sludge is enabled to continuously roll, the temperature of the stirrer 22 can be increased after the heater 26 in the stirrer 22 works, after the temperature of the stirrer 22 is increased, the heating temperature can be set according to actual needs, the temperature of the sludge is increased through the stirrer 22, so that moisture in the sludge is evaporated, the sludge which is primarily treated through the stirring dewatering mechanism 20 enters the extrusion dewatering mechanism 10, moisture contained in the sludge is extruded through the extrusion of the spiral extruder 12, the effect of dewatering the sludge again is achieved, and finally the sludge forms a sludge cake through the sludge baffle.

The agitator 22 includes a rotary pipe 221 and an agitation end 222 provided on an outer surface of the rotary pipe 221, the heater 26 is fixed to an inner surface of the rotary pipe 221, the rotary pipe 221 and the agitation end 222 are heated to a high temperature by energization and heating of the heater 23, and the temperature of the sludge in the agitation tank 21 is raised by the outer surface of the rotary pipe 221 and the outer surface of the agitation end 222, thereby evaporating moisture contained in the sludge.

In order to further evaporate the water in the sludge, the right end of the mixing tank 21 is provided with a hot air delivery assembly 27, the left end of the mixing tank 21 is provided with an air draft assembly 28, the hot air delivery assembly 27 comprises an air supply fan 271, a hot air duct 272, an installation shell 273, a heating wire 274 and a thermocouple 275, the hot air duct 272 is communicated with the mixing tank 21, the installation shell 273 is connected between the hot air duct 272 and the air supply fan 271, the heating wire 274 and the thermocouple 275 are installed on the installation shell 273, the hot air is supplied into the mixing tank 21 through the air supply fan 271, when the stirrer 22 stirs the sludge, the hot air contacts the surface of the sludge, and the evaporation of the water in the sludge is accelerated.

This convulsions subassembly 28 includes the exhaust stack 281 that link up with this agitator 21 and the exhaust fan 282 who is connected with this exhaust stack 281, through the air that contains moisture in the exhaust fan extraction agitator 21, prevents that moisture from falling into mud once more, in the middle of extracting the equipment of handling air such as spray column through exhaust fan with the air that contains moisture moreover, prevents the contaminated air, solves the problem of the moisture contaminated air that present hydroextractor is difficult to control sludge dewatering.

This stirring dewatering mechanism 20 is still including being used for driving this agitator 22 to get into or break away from the elevating system of agitator 21, and this elevating system is including fixing the mount in this agitator 21 top, the frame that supplies this agitator 22 to install, liftable set up in this mount and with the fixed lifting frame of this frame, fix the lift cylinder that is used for promoting this lifting frame to go up and down on this mount.

The pushing assembly 25 includes a positioning frame 251, a guide rail 252, a sliding rod 253, a movable rod 254, a connecting rod 255 and a pushing cylinder 256, the guide rail 252 is fixed on the top of the positioning frame 251, the sliding rod 253 is slidably mounted on the guide rail 252 and is fixed with the pushing plate 24, two ends of the connecting rod 255 are respectively movably connected with the movable rod 254 and the sliding rod 253, the middle of the sliding rod 253 is movably connected with the bottom of the positioning frame 251, a cylinder shaft of the pushing cylinder 256 is movably connected with the bottom end of the movable rod 254, the movable rod 254 is pushed to swing by the pushing cylinder 256, and then the sliding rod 253 is pushed to move on the guide rail 252 by the movable rod 254, so that the pushing plate 24 is pushed to perform pushing operation in the mixing tank, and the sludge after primary drying and dewatering is pushed into the squeezing dewatering mechanism 10.

The screw extruder 12 comprises a conical shaft pipe 121, a main shaft pipe 122 and a screw iron 123, the conical shaft pipe 121 is fixed on the left side of the main shaft pipe 122, the screw iron 123 is fixed on the outer surfaces of the conical shaft pipe 121 and the main shaft pipe 122, and as can be seen from fig. 1, the sludge is extruded with a greater force by passing through the conical shape of the conical shaft pipe 121 from right to left (the direction of screw propulsion), and the sludge can be extruded and dewatered more effectively.

Further, a discharge port 111 is disposed below the left side of the extrusion container 11, and a feeding port 112 penetrating the mixing barrel 21 is disposed above the right side of the extrusion container 11.

The side surface of the mixing tank 21 is provided with a sludge inlet 211

The utility model discloses what realize, through the utility model discloses a heater heats the agitator, and the effect that stirs mud at the agitator in-process through the heat transfer risees the temperature of mud to moisture in this evaporation mud, and through hot-blast conveying subassembly, convulsions subassembly more can evaporate the moisture of mud with higher speed, through the utility model discloses a mud after the preliminary dehydration of stirring dewatering mechanism enters into the extrusion of extrusion hydroextractor mechanism and dewaters once more, with the moisture that still remains in this extrusion mud to with mud formation mud cake, solve the too high problem of mud cake water content that present sludge dewatering machine formed.

The embodiments and drawings of the present invention are only for illustrating the design concept of the present invention, and the protection scope of the present invention should not be limited to this embodiment.

From the above, it can be seen that the objects of the present invention are efficiently attained. The part of the embodiments that illustrate the objectives and the functional and structural objects of the invention, and include other equivalents.

Accordingly, the invention is intended to cover other equally effective embodiments, as the scope of the appended claims will refer to.

Claims

1. A sludge dewatering device is characterized in that: including extrusion dewatering mechanism and stirring dewatering mechanism, extrusion dewatering mechanism includes the recipient, sets up screw extruder, setting in the recipient are in the recipient outside is used for the drive the rotatory extrusion driving motor of screw extruder, setting are in screw extruder left side and screw extruder complex mud cake baffle, be used for promoting the extrusion cylinder of the removal of mud cake baffle, stirring dewatering mechanism include with agitator, the alternative entering that the recipient link up or break away from the agitator of agitator, be used for the drive rotatory agitator motor of agitator, setting are in the agitator left side is used for pushing away the scraping wings of material, is used for promoting the scraping wings is in the pushing away material subassembly and the setting that remove in the agitator are in the inside heater of agitator.

2. The sludge dewatering apparatus of claim 1, wherein the agitator comprises a rotating pipe and an agitation end disposed on an outer surface of the rotating pipe, and the heater is fixed to an inner surface of the rotating pipe.

3. The sludge dewatering device of claim 2, wherein the right end of the mixing tank is provided with a hot air delivery assembly, the left end of the mixing tank is provided with an air draft assembly, the hot air delivery assembly comprises an air supply fan, a hot air pipe, a mounting shell, a heating wire and a thermocouple, the hot air pipe is communicated with the mixing tank, the mounting shell is connected between the hot air pipe and the air supply fan, and the heating wire and the thermocouple are mounted on the mounting shell.

4. The sludge dewatering device of claim 3, wherein the air draft assembly comprises an air draft tube communicating with the agitator and an air draft fan connected with the air draft tube.

5. The sludge dewatering device according to claim 4, wherein the stirring dewatering mechanism further comprises a lifting mechanism for driving the stirrer to enter or leave the stirring barrel, and the lifting mechanism comprises a fixed frame fixed above the stirring barrel, a frame for mounting the stirrer, a lifting frame arranged in the fixed frame in a lifting manner and fixed with the frame, and a lifting cylinder fixed on the fixed frame and used for pushing the lifting frame to lift.

6. The sludge dewatering device according to claim 5, wherein the pushing assembly comprises a positioning frame, a guide rail, a slide bar, a movable bar, a connecting bar and a pushing cylinder, the guide rail is fixed on the top of the positioning frame, the slide bar is slidably mounted on the guide rail and fixed with the pushing plate, two ends of the connecting bar are respectively movably connected with the movable bar and the slide bar, the middle part of the slide bar is movably connected with the bottom of the positioning frame, and a cylinder shaft of the pushing cylinder is movably connected with the bottom end of the movable bar.

7. The sludge dewatering apparatus of claim 6, wherein the screw extruder comprises a conical shaft tube, a main shaft tube and a screw iron, the conical shaft tube is fixed on the left side of the main shaft tube, and the screw iron is fixed on the outer surfaces of the conical shaft tube and the main shaft tube.