CN218076608U

CN218076608U - Sludge concentration dewatering device for sewage treatment

Info

Publication number: CN218076608U
Application number: CN202221988968.6U
Authority: CN
Inventors: 庄锐; 李娇姣
Original assignee: SHANGHAI ODORFREE ENVIRONMENT ENGINEERING CO LTD
Current assignee: SHANGHAI ODORFREE ENVIRONMENT ENGINEERING CO LTD
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2022-12-20
Anticipated expiration: 2032-07-30

Abstract

The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a sludge concentration dewatering device for sewage treatment, including the header tank, the dewatering box, feed mechanism, the apparatus further comprises a rotating shaft, the extrusion flight, including a motor, an end cap, a controller, and a cover plate, a plurality of through-holes, outlet pipe and mud pipe, dewatering box fixed connection is in the header tank upper end, one side of feed mechanism fixed connection at the dewatering box upper surface, extrusion flight fixed connection is in the pivot, feed mechanism one side is kept away from to motor fixed connection at the dewatering box, the bottom of outlet pipe fixed intercommunication at the header tank lateral wall, feed mechanism one side is kept away from to the fixed intercommunication of mud pipe bottom surface under the dewatering box. This sludge concentration dewatering device for sewage treatment passes through filtering mechanism's setting, under the effect of filter screen, electric telescopic handle and scum pipe to can filter the solid impurity of the aquatic that breaks away from out from mud, and then can make these water that break away from out from mud can obtain quadratic recycle, avoided causing the waste of water resource.

Description

Sludge concentration dewatering device for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a sludge thickening dewatering device for sewage treatment.

Background

With the development of social economy and the acceleration of urbanization process, the number of urban sewage treatment plants and the sludge generated therewith is rapidly increased, almost all sewage treatment plants in China can only mainly bury and stack the sludge, so that serious environmental pollution is caused, in order to improve the environment, concentration and dehydration work needs to be carried out on the sludge, and the concentration and dehydration work of the sludge is a sludge treatment method for removing moisture from the primary, concentrated or digested sludge in a flow state and converting the sludge into a semi-solid or solid sludge block.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing sludge thickening and dewatering device for sewage treatment directly discharges water separated from sludge after the sludge is thickened and dewatered, and the water separated from sludge can not be recycled secondarily, thereby causing the defect of waste of certain water resource.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a sludge concentration dewatering device for sewage treatment, includes header tank, dehydration tank, feed mechanism, pivot, extrusion flight, motor, a plurality of through-hole, outlet pipe and mud pipe, dehydration tank fixed connection is in the header tank upper end, feed mechanism fixed connection be in one side of dehydration tank upper surface, just feed mechanism with the dehydration tank is linked together, the pivot is rotated and is connected in the dehydration tank, the extrusion flight fixed connection be in the pivot, motor fixed connection be in the dehydration tank is kept away from feed mechanism one side, just the output shaft one end of motor with be fixed connection, it is a plurality of between the one end of pivot the through-hole is all seted up on the interior bottom of dehydration tank, the fixed intercommunication of outlet pipe is in the bottom of header tank lateral wall, the fixed intercommunication of mud pipe is in the bottom surface is kept away from under the dehydration tank feed mechanism one side, just mud pipe one end runs through to the outside of header tank.

Preferably, the feeding mechanism comprises a feeding pipe, a feeding hopper and a shielding mechanism, the feeding pipe is fixedly communicated with one side of the upper surface of the dewatering box, the feeding hopper is fixedly communicated with the upper end of the feeding pipe, the shielding mechanism is arranged in the feeding pipe, and the shielding mechanism is located under the feeding hopper.

Preferably, the shielding mechanism comprises a hydraulic cylinder and a baffle plate, the hydraulic cylinder is fixedly connected to the outer side wall of the feeding pipe, one end of the hydraulic cylinder penetrates into the feeding pipe, the baffle plate is fixedly connected to one end of the hydraulic cylinder, and the baffle plate is located under the feeding hopper.

Preferably, a filtering mechanism is arranged inside the water collecting tank.

Preferably, filtering mechanism includes filter screen, electric telescopic handle and row's sediment pipe, filter screen one end articulates inner wall one side of header tank, the electric telescopic handle lower extreme articulates on the interior bottom of header tank, just the electric telescopic handle upper end articulates the filter screen lower surface, row's sediment pipe is fixed to be communicated the header tank is close to filter screen hinged end one side, just the filter screen hinged end with the bottom parallel and level of row's sediment pipe.

The utility model provides a pair of sludge thickening dewatering device for sewage treatment, beneficial effect lies in:

1. the sludge concentration and dehydration device for sewage treatment is characterized in that solid impurities in water separated from sludge can be filtered under the action of the filter screen, the electric telescopic rod and the slag discharge pipe through the arrangement of the filter mechanism, so that the water separated from the sludge can be recycled for the second time, and the waste of water resources is avoided; moreover, the design can conveniently discharge the solid impurities filtered out from the filter screen from the slag discharge pipe, thereby facilitating the slag discharge process and the cleaning process of the filter screen.

2. This sludge concentration dewatering device for sewage treatment is through the setting that shelters from the mechanism, under the effect of pneumatic cylinder and baffle, through the pneumatic cylinder, can drive the baffle and carry out the horizontal motion in the inlet tube, when the baffle shelters from the lower extreme of feeding hopper, will stop the feeding, when the baffle leaves the lower extreme of feeding hopper, then can continue the feeding to can control the feeding volume of mud effectively, and then can avoid mud to last the feeding to produce a large amount of accumulations and cause the condition that the feeding blockked up.

Drawings

Fig. 1 is the structure schematic diagram of the sludge thickening and dewatering device for sewage treatment provided by the utility model.

Fig. 2 is a structural cross-sectional view of the sludge thickening and dewatering device for sewage treatment.

Fig. 3 is a partial structure sectional view of the sludge thickening and dewatering device for sewage treatment provided by the utility model.

In the figure: the device comprises a water collecting tank 1, a dewatering tank 2, a feeding mechanism 3, a feeding pipe 31, a feeding hopper 32, a hydraulic cylinder 33, a baffle 34, a rotating shaft 4, an extrusion spiral sheet 5, a motor 6, a through hole 7, a water outlet pipe 8, a filter screen 9, an electric telescopic rod 10, a slag discharge pipe 11 and a mud discharge pipe 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a sludge concentration dewatering device for sewage treatment, including header tank 1, dewatering box 2, feed mechanism 3, pivot 4, extrusion flight 5, motor 6, a plurality of through-holes 7, outlet pipe 8 and mud pipe 12, dewatering box 2 fixed connection is in 1 upper end of header tank, 3 fixed connection of feed mechanism is in one side of 2 upper surfaces of dewatering box, and feed mechanism 3 is linked together with dewatering box 2, pivot 4 rotates to be connected in

dewatering box

2, 5 fixed connection of extrusion flight are in pivot 4, motor 6 fixed connection keeps away from 3 one side of feed mechanism at dewatering box 2, and be fixed connection between the output shaft one end of motor 6 and the one end of pivot 4, motor 6 passes through the wire and is connected with external storage battery, and be provided with the switch that is used for controlling motor 6 operation on the wire.

A plurality of through-holes 7 are all opened on the interior bottom of dewatering box 2, and the fixed intercommunication of outlet pipe 8 is in the bottom of header tank 1 lateral wall, and feed mechanism 3 one side is kept away from to the fixed intercommunication of mud pipe 12 bottom surface under dewatering box 2, and mud pipe 12 one end runs through to the outside of header tank 1.

Example 2

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the feeding mechanism 3 includes a feeding pipe 31, a feeding hopper 32 and a shielding mechanism, the feeding pipe 31 is fixedly connected to one side of the upper surface of the dewatering box 2, the feeding hopper 32 is fixedly connected to the upper end of the feeding pipe 31, the shielding mechanism is disposed in the feeding pipe 31 and is located under the feeding hopper 32, the shielding mechanism includes a hydraulic cylinder 33 and a baffle 34, the hydraulic cylinder 33 is fixedly connected to the outer side wall of the feeding pipe 31, one end of the hydraulic cylinder 33 penetrates into the feeding pipe 31, the baffle 34 is fixedly connected to one end of the hydraulic cylinder 33, and the baffle 34 is located under the feeding hopper 32, by the arrangement of the shielding mechanism, the baffle 34 can be driven by the hydraulic cylinder 33 to move horizontally in the feeding pipe 31, when the baffle 34 shields the lower end of the feeding hopper 32, the feeding can be stopped, and when the baffle 34 leaves the lower end of the feeding hopper 32, the feeding can be continued, thereby effectively controlling the feeding amount of the sludge, and further avoiding the situation that the sludge is continuously fed to cause a large amount of feed to block.

Example 3

Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the inside of water collection tank 1 is provided with a filtering mechanism, the filtering mechanism includes a filter screen 9, an electric telescopic handle 10 and a slag discharge pipe 11, one end of filter screen 9 is hinged on one side of the inner wall of water collection tank 1, the lower end of electric telescopic handle 10 is hinged on the inner bottom of water collection tank 1, and the upper end of electric telescopic handle 10 is hinged on the lower surface of filter screen 9, electric telescopic handle 10 is connected with an external storage battery through a wire, and a switch for controlling the operation of electric telescopic handle 10 is provided on the wire.

The slag discharge pipe 11 is fixedly communicated with one side of the water collecting tank 1 close to the hinged end of the filter screen 9, and the hinged end of the filter screen 9 is flush with the bottom of the slag discharge pipe 11.

The working principle is as follows:

firstly, sludge is thrown in through a feeding hopper 32, the sludge enters a dewatering box 2 through a feeding pipe 31, then, a motor 6 is started to drive a rotating shaft 4 to rotate, the rotating shaft 4 drives an extrusion spiral sheet 5 to rotate, the extrusion spiral sheet 5 in the rotating process extrudes the sludge, then, water extruded from the sludge flows into a water collecting box 1 through a plurality of through holes 7, and the dewatered sludge is discharged through a sludge discharge pipe 12; the water entering the water collecting tank 1 is filtered by the filtering action of the filter screen 9 to filter out solid impurities in the water, and the filtered water can be discharged from the water outlet pipe 8 for secondary recycling; and leave over the solid impurity on filter screen 9, through starting electric telescopic handle 10, can make filter screen 9 upwards take place the slope, so, the solid impurity on the filter screen 9 will take advantage of the situation and slide down, finally, these solid impurity can be discharged through scum pipe 11 to can make things convenient for the cleaning process to filter screen 9.

Therefore, through the arrangement of the filtering mechanism, under the action of the filter screen 9, the electric telescopic rod 10 and the slag discharge pipe 11, solid impurities in water separated from sludge can be filtered, and the water separated from the sludge can be recycled for the second time, so that the waste of water resources is avoided; moreover, the design can conveniently discharge the solid impurities filtered out from the filter screen 9 from the slag discharge pipe 11, thereby facilitating the slag discharge process and the cleaning process of the filter screen 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sludge concentration and dehydration device for sewage treatment is characterized by comprising a water collecting tank (1), a dehydration tank (2), a feeding mechanism (3), a rotating shaft (4), an extrusion spiral sheet (5), a motor (6), a plurality of through holes (7), a water outlet pipe (8) and a sludge discharge pipe (12), the dewatering tank (2) is fixedly connected with the upper end of the water collecting tank (1), the feeding mechanism (3) is fixedly connected with one side of the upper surface of the dewatering box (2), and the feeding mechanism (3) is communicated with the dewatering box (2), the rotating shaft (4) is rotatably connected in the dewatering box (2), the extrusion spiral sheet (5) is fixedly connected on the rotating shaft (4), the motor (6) is fixedly connected with one side of the dewatering box (2) far away from the feeding mechanism (3), one end of the output shaft of the motor (6) is fixedly connected with one end of the rotating shaft (4), a plurality of through holes (7) are all arranged on the inner bottom of the dewatering box (2), the water outlet pipe (8) is fixedly communicated with the bottom of the outer side wall of the water collecting tank (1), the sludge discharge pipe (12) is fixedly communicated with one side of the lower bottom surface of the dewatering box (2) far away from the feeding mechanism (3), and one end of the sludge discharge pipe (12) penetrates to the outer side of the water collecting tank (1).

2. The sludge concentration and dehydration device for sewage treatment as recited in claim 1, wherein said feeding mechanism (3) comprises a feeding pipe (31), a feeding hopper (32) and a shielding mechanism, said feeding pipe (31) is fixedly communicated with one side of the upper surface of said dehydration tank (2), said feeding hopper (32) is fixedly communicated with the upper end of said feeding pipe (31), said shielding mechanism is disposed in said feeding pipe (31), and said shielding mechanism is located under said feeding hopper (32).

3. The sludge concentration and dehydration device for sewage treatment according to claim 2, wherein the shielding mechanism comprises a hydraulic cylinder (33) and a baffle plate (34), the hydraulic cylinder (33) is fixedly connected to the outer side wall of the feeding pipe (31), one end of the hydraulic cylinder (33) penetrates into the feeding pipe (31), the baffle plate (34) is fixedly connected to one end of the hydraulic cylinder (33), and the baffle plate (34) is located under the feeding hopper (32).

4. The sludge thickening and dewatering apparatus for sewage treatment according to claim 1, wherein a filtering mechanism is provided inside the water collection tank (1).

5. The sludge concentration and dehydration device for sewage treatment according to claim 4, wherein the filtering mechanism comprises a filtering net (9), an electric telescopic rod (10) and a deslagging pipe (11), one end of the filtering net (9) is hinged on one side of the inner wall of the water collecting tank (1), the lower end of the electric telescopic rod (10) is hinged on the inner bottom of the water collecting tank (1), the upper end of the electric telescopic rod (10) is hinged on the lower surface of the filtering net (9), the deslagging pipe (11) is fixedly communicated with the water collecting tank (1) close to one side of the hinged end of the filtering net (9), and the hinged end of the filtering net (9) is flush with the bottom of the deslagging pipe (11).