CN112429937A

CN112429937A - Sewage operation sludge dewatering device capable of controlling dosage

Info

Publication number: CN112429937A
Application number: CN202011276524.5A
Authority: CN
Inventors: 苏宝龙
Original assignee: Pujiang Liding Environmental Protection Equipment Co ltd
Current assignee: Pujiang Liding Environmental Protection Equipment Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-02

Abstract

The invention discloses a sewage operation sludge dewatering device capable of controlling dosing amount, which comprises a main body, wherein a detection cavity is arranged in the main body, a detection assembly is arranged in the detection cavity, a medicine box is arranged on the right side of the detection cavity, a dewatering assembly is arranged on the lower side of the medicine box, the detection assembly comprises a first cam rotating cavity communicated with the left side of the detection cavity, a transmission cavity is arranged on the upper side of the first cam rotating cavity, a transmission assembly is arranged in the transmission cavity, sludge is placed in a sampling cavity and stirred, an equal amount of sludge is taken out from the sampling cavity and added into a filter screen, moisture in the sludge in the filter screen is extruded out, water flows onto a lower gravity plate, the opening size of a medicine inlet is adjusted, all sludge is put into a mixing cavity after detection is finished, and simultaneously the medicine inlet of the medicine cavity dewaters the sludge according to the moisture.

Description

Sewage operation sludge dewatering device capable of controlling dosage

Technical Field

The invention relates to the technical field of industrial sewage treatment, in particular to a sewage operation sludge dewatering device capable of controlling the dosage.

Background

The sludge dewatering is one of the steps of sewage treatment, a sewage treatment plant uses cationic polyacrylamide as a dewatering agent for sludge of sewage operation, the dosage of the sludge dewatering agent is difficult to control in the sludge dewatering process of sewage treatment, the dosage of the sludge dewatering agent needs to be relatively accurately known, a proper amount of the dewatering agent can be added for dewatering only by detecting the conditions of the moisture content of the sludge and the like, the dosage error of the dewatering agent added by manual control is large, and the sludge dewatering effect is poor.

Disclosure of Invention

Aiming at the technical defects, the invention provides a sewage operation sludge dewatering device capable of controlling the dosage, which can overcome the defects.

The invention relates to a sewage operation sludge dewatering device capable of controlling dosage, which comprises a main body, wherein a detection cavity is arranged in the main body, a detection assembly is arranged in the detection cavity, a medicine box is arranged on the right side of the detection cavity, a dewatering assembly is arranged on the lower side of the medicine box, the detection assembly comprises a first cam rotating cavity communicated with the left side of the detection cavity, a transmission cavity is arranged on the upper side of the first cam rotating cavity, a transmission assembly is arranged in the transmission cavity, a first cam rotating shaft extending upwards to the transmission cavity is rotatably arranged on the upper end wall of the first cam rotating cavity, a first cam containing a limiting groove and fixedly arranged with the first cam rotating shaft is arranged in the first cam rotating cavity, a fixing pipe which is communicated up and down is fixedly arranged on the upper side of the detection cavity, a detachable filter screen is arranged on the lower side of the fixing pipe, and an annular sliding block, the left side of which is in sliding fit with the limiting groove on the first cam through a, equal angle is equipped with six extrusion grooves in the annular sliding block, the extrusion inslot slide be equipped with the extrusion groove passes through extrusion spring coupling's extrusion block, it is equipped with to detect intracavity slip detect the chamber lower extreme wall and pass through gravity spring coupling's gravity board, it has the sample jar to detect the chamber upside through the pipe connection who contains the check valve, it is equipped with the sample piston to slide in the sample jar, sample jar upside intercommunication is equipped with the second cam and rotates the chamber, second cam rotates chamber upper end wall and rotates and installs upwards extend to the second cam axis of rotation in transmission chamber, the second cam rotate the intracavity be equipped with second cam axis of rotation fixed mounting's the second cam that contains the spacing groove, sample piston upside fixed mounting have with spacing groove sliding fit's L type gag lever post on the second cam.

Preferably, the transmission assembly comprises a motor fixedly mounted with the right end wall of the transmission cavity, the left side of the motor is in power connection with a screw rod, a driving sliding block which is matched with the screw rod through threads is arranged in the transmission cavity in a sliding manner, a rack is fixedly arranged on the front end wall of the driving sliding block, a sampling cavity connected with the sampling cylinder through a pipeline containing a one-way valve is arranged at the lower side of the transmission cavity, the upper end wall of the sampling cavity is rotatably provided with a first stirring shaft which extends upwards to the transmission cavity, the first stirring shaft and the screw rod are driven by a group of bevel gear pairs positioned in the transmission cavity, a first stirring rod fixedly arranged with the first stirring shaft is arranged in the sampling cavity, the lower side of the sampling cavity is connected with a mixing cavity through a first communicating cavity, the right side of the first communicating cavity is communicated with a baffle sliding groove, the right side of the baffle sliding groove is communicated with the outside, and a first baffle with a handle on the right side is arranged in the baffle sliding groove in a sliding mode.

Preferably, the transmission assembly further comprises a first one-way gear fixedly mounted in the transmission cavity and the first cam rotating shaft, a second one-way gear fixedly mounted in the second cam rotating shaft is arranged in the transmission cavity, the first one-way gear and the second one-way gear comprise an outer wheel and a ratchet wheel, the outer wheel can be meshed with the rack, the ratchet wheel is fixedly mounted in the first one-way gear and the second one-way gear, a hollow rotating shaft rotatably mounted on the upper end wall of the transmission cavity is fixedly mounted on the upper side of the outer wheel, and two pawls connected with the outer wheel through pawl springs are hinged to the inner side of the outer wheel.

Preferably, the dehydration subassembly is including connecting the medical kit the second intercommunication chamber of hybrid chamber, the second intercommunication chamber left and right sides intercommunication is equipped with the horizontal sliding groove, slide in the horizontal sliding groove be equipped with the opening sliding block that horizontal sliding groove right-hand member wall passes through reset spring and connects, contain on the opening sliding block with second intercommunication chamber complex through-hole, horizontal sliding groove left side intercommunication is equipped with sliding groove from top to bottom, slide from top to bottom slide in the sliding groove be equipped with opening sliding block left side is through the following sliding block of inclined plane sliding fit, gravity board right side fixed mounting has anodal magnet, following sliding block left side fixed mounting with the opposite inter attraction's of anodal magnet magnetic pole negative pole magnet.

Preferably, the dewatering component further comprises a third cam rotating cavity communicated with the right side of the second communicating cavity, a fan blade rotating cavity is arranged in the first communicating cavity, a third cam rotating shaft extending rightwards to the fan blade rotating cavity is rotatably arranged on the right end wall of the third cam rotating cavity, a third cam containing a limiting groove and fixedly arranged on the left side of the third cam rotating shaft is arranged in the third cam rotating cavity, a second baffle extending leftwards to the second communicating cavity and in sliding fit with the third cam limiting groove through a second limiting block is slidably arranged on the upper end wall of the third cam rotating cavity, a fan blade rotating shaft is rotatably arranged on the rear end wall of the fan blade, a fan blade is fixedly arranged on the fan blade rotating shaft, and the third cam rotating shaft and the fan blade rotating shaft are in transmission through a set of bevel gear pair positioned in the fan blade rotating cavity, the end wall rotates and is installed downwardly extending under the third cam rotation chamber the second (mixing) shaft of hybrid chamber, the second (mixing) shaft third cam rotation axis is located through a set of bevel gear pair transmission in third cam rotation chamber, be equipped with in the hybrid chamber with second (mixing) shaft fixed mounting's second puddler.

The beneficial effects are that: the device simple structure, high durability and convenient operation, the device is at the during operation, put mud at the stirring of sample intracavity, make mud water content even, take out equivalent mud from the sample intracavity and add in the filter screen, extrusion piece extrusion filter screen, extrude the moisture in the mud in the filter screen, rivers to the lower side gravity board on, thereby the opening size of medicine mouth is advanced in the gravity decline regulation of gravity board because water, mud water content is big more, it is big more to advance medicine mouth opening, it puts into mixed intracavity with all mud to detect after accomplishing, it advances the medicine to advance the medicine chamber simultaneously, dewater mud according to the water content of mud, do not need manual control to advance what of medicine volume, it is accurate to advance the medicine volume, dewatering effect is good.

Drawings

In order to more clearly illustrate the embodiments of the 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 invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the first one-way gear 14 and the second one-way gear 17 in fig. 1 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a sewage operation sludge dewatering device capable of controlling dosage, which comprises a main body 10, wherein a detection cavity 37 is arranged in the main body 10, a detection component for detecting the water content of sampled sludge is arranged in the detection cavity 37, a medicine box 30 is arranged on the right side of the detection cavity 37, a dewatering component for mixing a dewatering agent with sludge according to the water content of the sludge is arranged on the lower side of the medicine box 30, the detection component comprises a first cam rotating cavity 40 communicated with the left side of the detection cavity 37, a transmission cavity 12 is arranged on the upper side of the first cam rotating cavity 40, a transmission component is arranged in the transmission cavity 12, a first cam rotating shaft 11 extending upwards to the transmission cavity 12 is rotatably arranged on the upper end wall of the first cam rotating cavity 40, a first cam 39 containing a limiting groove and fixedly arranged with the first cam rotating shaft 11 is arranged in the first cam rotating cavity 40, a fixing pipe 66 which is vertically communicated is fixedly arranged on the upper side of the detection cavity 37, filter screen 36 that can dismantle is installed to fixed pipe 66 downside, it is equipped with the left side and the spacing groove on the first cam 39 passes through first stopper 65 sliding fit's annular sliding block 41 to slide in the detection chamber 37, the equal angle is equipped with six extrusion grooves 42 in the annular sliding block 41, slide in the extrusion groove 42 be equipped with the extrusion piece 44 that extrusion groove 42 is connected through extrusion spring 43, slide in the detection chamber 37 be equipped with detect chamber 37 lower extreme wall through the gravity board 35 that gravity spring 34 is connected, drive when first cam 39 rotates first stopper 65, annular sliding block 41 reciprocates from top to bottom, when annular sliding block 41 slides the extrusion piece 44 because extrusion spring 43 effect extrudes filter screen 36, will the extrusion moisture of mud in the filter screen 36, the pipeline that detects chamber 37 upside through containing the check valve has a sampling cylinder 63, it is equipped with sample piston 64 to slide in the sample jar 63, sample jar 63 upside intercommunication is equipped with second cam and rotates chamber 20, second cam rotates chamber 20 upper end wall and rotates to install upwards to the second cam rotation axis 18 of transmission chamber 12, be equipped with in the second cam rotation chamber 20 with second cam rotation axis 18 fixed mounting's second cam 16 that contains the spacing groove, sample piston 64 upside fixed mounting have with spacing groove sliding fit's L type gag lever post 62 on the second cam 16, drive during second cam 16 rotates L type gag lever post 62 sample piston 64 is reciprocating sliding from top to bottom in turn, when sample piston 64 upwards slides, mud gets into in the sample jar 63, when sample piston 64 downwards slides mud gets into from the lower side pipeline in the sample piston 64 in the filter screen 36.

Beneficially, the transmission assembly includes a motor 23 fixedly mounted on the right end wall of the transmission cavity 12, a screw 13 is dynamically connected on the left side of the motor 23, a driving sliding block 19 in threaded fit with the screw 13 is slidably disposed in the transmission cavity 12, a rack 21 is fixedly mounted on the front end wall of the driving sliding block 19, a sampling cavity 25 connected with the sampling cylinder 63 through a pipeline including a one-way valve is disposed on the lower side of the transmission cavity 12, a first stirring shaft 24 extending upwards to the transmission cavity 12 is rotatably mounted on the upper end wall of the sampling cavity 25, the first stirring shaft 24 and the screw 13 are driven by a set of bevel gear pair located in the transmission cavity 12, a first stirring rod 26 fixedly mounted on the first stirring shaft 24 is disposed in the sampling cavity 25, a mixing cavity 31 is connected on the lower side of the sampling cavity 25 through a first communicating cavity 29, a baffle sliding groove 28 with the right side communicated with the outside is disposed on the right side of the first communicating cavity 29, slide in the baffle sliding tray 28 and be equipped with the first baffle 27 that the right side contains the handle, first baffle 27 is located when leftmost first intercommunication chamber 29 is in and closes the rotation, the pulling right first baffle 27, first intercommunication chamber 29 is opened, the mud in the sample chamber 25 passes through first intercommunication chamber 29 falls into in the hybrid chamber 31.

Advantageously, the transmission assembly further comprises a first one-way gear 14 fixedly mounted to the first cam rotating shaft 11 in the transmission cavity 12, a second one-way gear 17 fixedly mounted to the second cam rotating shaft 18 in the transmission cavity 12, the first one-way gear 14 and the second one-way gear 17 comprise an outer wheel 68 and a ratchet wheel 22, the outer wheel 68 can be engaged with the rack 21, the ratchet wheel 22 is fixedly mounted to the first one-way gear 14 and the second one-way gear 17, a hollow rotating shaft 67 rotatably mounted to the upper end wall of the transmission cavity 12 is fixedly mounted to the upper side of the outer wheel 68, two pawls 15 connected to the outer wheel 68 through pawl springs 38 are hinged to the inner side of the outer wheel 68, the rack 21 is engaged with the outer wheel 68 of the second one-way gear 17 first when the driving slide block 19 slides to the left, so as to drive the ratchet wheel 22 to rotate, thereby rotating the second cam rotating shaft 18, the rack 21 is engaged with the outer wheel 68 of the first one-way gear 14 when the rack 21 is disengaged from the second one-way gear 17, thereby rotating the ratchet wheel 22, and thereby rotating the first cam rotating shaft 11, and the outer wheel 68 does not rotate the ratchet wheel 22 when the driving slide block 19 slides to the right.

Advantageously, the dehydrating unit includes a second communicating chamber 60 connecting the medicine boxes 30 and the mixing chamber 31, the second communicating chamber 60 is provided with left and right sliding grooves 51 in communication with each other on the left and right sides thereof, an opening sliding block 49 slidably provided in the left and right sliding grooves 51 and connected to the right end wall of the left and right sliding grooves 51 through a return spring 50, the opening sliding block 49 is provided with a through hole 48 engaged with the second communicating chamber 60, the left side of the left and right sliding grooves 51 is provided with a vertical sliding groove 61 in communication therewith, a lower sliding block 47 slidably engaged with the left side of the opening sliding block 49 through an inclined plane is slidably provided in the vertical sliding groove 61, the right side of the gravity plate 35 is fixedly provided with the positive magnet 45, the left side of the lower sliding block 47 is fixedly provided with the negative magnet 46 having a magnetic pole opposite to the magnetic pole of the positive magnet 45 and mutually attracting each other, and when the gravity plate 35 is located on, the opening sliding block 49 is located at the leftmost side, the second communicating cavity 60 is in a closed state, the return spring 50 is in a normal stretching state, the gravity plate 35 drives the lower sliding block 47 to slide downwards due to the action of gravity, so that the opening sliding block 49 slides rightwards, the through hole 48 is gradually matched with the second communicating cavity 60, the opening of the second communicating cavity 60 is gradually increased, and the return spring 50 is compressed.

Beneficially, the dewatering assembly further includes a third cam rotating cavity 56 communicated with the right side of the second communicating cavity 60, a fan blade rotating cavity 54 is arranged in the first communicating cavity 29, a third cam rotating shaft 55 extending to the fan blade rotating cavity 54 rightwards is rotatably mounted on the right end wall of the third cam rotating cavity 56, a third cam 57 containing a limiting groove and fixedly mounted on the left side of the third cam rotating shaft 55 is arranged in the third cam rotating cavity 56, a second baffle 59 extending to the second communicating cavity 60 leftwards and slidably matched with the limiting groove of the third cam 57 through a second limiting block 58 is slidably arranged on the upper end wall of the third cam rotating cavity 56, a fan blade rotating shaft 53 is rotatably mounted on the rear end wall of the fan blade 52, a fan blade 52 is fixedly mounted on the fan blade rotating shaft 53, and the third cam rotating shaft 55 and the fan blade rotating shaft 53 are driven by a set of bevel gear pairs located in the fan blade rotating cavity 54, the lower end wall of the third cam rotating cavity 56 is rotatably provided with a second stirring shaft 33 which extends downwards to the mixing cavity 31, the second stirring shaft 33 and the third cam rotating shaft 55 are driven by a group of bevel gear pairs positioned in the third cam rotating cavity 56, a second stirring rod 32 fixedly arranged with the second stirring shaft 33 is arranged in the mixing cavity 31, sludge drives the fan blades 52 to rotate around the fan blade rotating shafts 53 when falling from the first communicating cavity 29, so as to drive the third cam rotating shaft 55 to rotate, so as to drive the third cam 57 to rotate, so as to drive the second baffle 59 to slide back and forth left, the second communicating cavity 60 is opened when the second baffle 59 slides right, so as to allow a dehydrating agent to fall into the mixing cavity 31, the second communicating cavity 60 is closed when the second baffle 59 slides left, and the second stirring rod 32 rotates and stirs the dehydrating agent and the sludge in the mixing cavity 31, so that the dehydrating agent and the sludge are uniformly mixed and dehydrated.

In an initial state, the annular sliding block 41 and the first stopper 65 are located at the uppermost side, the extruding block 44 is located at the innermost side, the extruding spring 43 is in a normally stretched state, the sampling piston 64 and the L-shaped stopper rod 62 are located at the lowermost side, the driving sliding block 19 is located at the rightmost side, the pawl spring 38 is in a normally stretched state, the first baffle 27 is located at the leftmost side, the gravity plate 35 and the lower sliding block 47 are located at the uppermost side, the gravity spring 34 is in a normally stretched state, the opening sliding block 49 is located at the leftmost side, the return spring 50 is in a normally stretched state, the second baffle 59 is located at the leftmost side, and the second communicating chamber 60 is in a closed.

When the sampling device starts to work, sludge is placed into the sampling cavity 25, the motor 23 is started to rotate in the positive direction, so that the screw 13 is driven to rotate, the first stirring shaft 24 is driven to rotate, the first stirring rod 26 is driven to rotate and stir the sludge in the sampling cavity 25, the water content of the sludge is uniform, meanwhile, the screw 13 drives the driving sliding block 19 to slide leftwards, the rack 21 is firstly meshed with the outer wheel 68 of the second one-way gear 17, so that the ratchet wheel 22 is driven to rotate, the second cam rotating shaft 18 is driven to rotate, so that the second cam 16 is driven to rotate, so that the L-shaped limiting rod 62 is driven, the sampling piston 64 slides upwards and then slides downwards, the sludge enters the sampling cylinder 63 from the sampling cavity 25 when the sampling piston 64 slides upwards, the sludge in the sampling piston 64 enters the filter screen 36 through the fixing pipe 66 when the sampling piston 64 slides downwards, the rack 21 is meshed with the outer wheel 68 of the first one-way gear 14 when, thereby driving the ratchet wheel 22 to rotate, thereby driving the first cam rotating shaft 11 to rotate, thereby driving the first cam 39 to rotate, thereby driving the first limiting block 65, the annular sliding block 41 slides downwards and then upwards, when the annular sliding block 41 slides, the squeezing block 44 squeezes the filter screen 36 due to the action of the squeezing spring 43, thereby pressing and dropping the water in the sludge in the filter screen 36 onto the gravity plate 35, when the driving sliding block 19 slides to the leftmost side, the starting motor 23 is turned backwards, thereby driving the driving sliding block 19 to slide rightwards, when the driving sliding block 19 slides rightwards, the outer wheel 68 does not drive the ratchet wheel 22 to rotate, when the driving sliding block 19 slides to the rightmost side, the motor 23 stops, when the gravity plate 35 slides downwards due to the action of gravity, the gravity spring 34 compresses, the positive magnet 45 attracts the negative magnet 46, thereby driving the lower sliding block 47 to slide downwards, thereby pushing, the through hole 48 is gradually matched with the second communicating cavity 60, the opening of the second communicating cavity 60 is gradually enlarged, the chemical is added according to the water content of the sludge, the return spring 50 is compressed, the first baffle plate 27 is pulled rightwards to open the first communicating cavity 29, the sludge in the sampling cavity 25 falls into the mixing cavity 31 through the first communicating cavity 29, the sludge falls from the first communicating cavity 29 to drive the fan blade 52 to rotate around the fan blade rotating shaft 53, so as to drive the third cam rotating shaft 55 to rotate, so as to drive the third cam 57 to rotate, so as to drive the second baffle plate 59 to slide back and forth leftwards and left, the second communicating cavity 60 is opened when the second baffle plate 59 slides rightwards, the dehydrating agent falls into the mixing cavity 31, the second communicating cavity 60 is closed when the second baffle plate 59 slides leftwards, meanwhile, the third cam rotating shaft 55 drives the second stirring shaft 33 to rotate, so as to drive the second stirring rod 32 to rotate in the mixing cavity 31 to stir the dehydrating agent and the, after the dehydration is finished, the sludge in the mixing cavity 31 and the wastewater in the detection cavity 37 are discharged, the filter screen 36 is replaced, the gravity plate 35 slides upwards and resets under the action of the gravity spring 34, so that the lower sliding block 47 slides upwards, the opening sliding block 49 slides leftwards and resets under the action of the reset spring 50, and the second communication cavity 60 is closed.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a sewage operation sludge dewatering device that can control dosage, includes the main part, its characterized in that: the device is characterized in that a detection cavity is arranged in the main body, a detection assembly is arranged in the detection cavity, a medicine box is arranged on the right side of the detection cavity, a dehydration assembly is arranged on the lower side of the medicine box, the detection assembly comprises a first cam rotating cavity communicated with the left side of the detection cavity, a transmission cavity is arranged on the upper side of the first cam rotating cavity, a transmission assembly is arranged in the transmission cavity, a first cam rotating shaft extending upwards to the transmission cavity is rotatably arranged on the upper end wall of the first cam rotating cavity, a first cam which is fixedly arranged in the first cam rotating cavity and comprises a limiting groove is fixedly arranged in the first cam rotating shaft, a fixing pipe which is communicated up and down is fixedly arranged on the upper side of the detection cavity, a detachable filter screen is arranged on the lower side of the fixing pipe, and an annular sliding block which is arranged on the left side of the detection cavity and is in, equal angle is equipped with six extrusion grooves in the annular sliding block, the extrusion inslot slide be equipped with the extrusion groove passes through extrusion spring coupling's extrusion block, it is equipped with to detect intracavity slip detect the chamber lower extreme wall and pass through gravity spring coupling's gravity board, it has the sample jar to detect the chamber upside through the pipe connection who contains the check valve, it is equipped with the sample piston to slide in the sample jar, sample jar upside intercommunication is equipped with the second cam and rotates the chamber, second cam rotates chamber upper end wall and rotates and installs upwards extend to the second cam axis of rotation in transmission chamber, the second cam rotate the intracavity be equipped with second cam axis of rotation fixed mounting's the second cam that contains the spacing groove, sample piston upside fixed mounting have with spacing groove sliding fit's L type gag lever post on the second cam.

2. The sewage operation sludge dewatering device capable of controlling the dosage according to claim 1, characterized in that: the transmission assembly comprises a motor fixedly arranged on the right end wall of the transmission cavity, the left side of the motor is in power connection with a screw rod, a driving sliding block which is matched with the screw rod through threads is arranged in the transmission cavity in a sliding manner, a rack is fixedly arranged on the front end wall of the driving sliding block, a sampling cavity connected with the sampling cylinder through a pipeline containing a one-way valve is arranged at the lower side of the transmission cavity, the upper end wall of the sampling cavity is rotatably provided with a first stirring shaft which extends upwards to the transmission cavity, the first stirring shaft and the screw rod are driven by a group of bevel gear pairs positioned in the transmission cavity, a first stirring rod fixedly arranged with the first stirring shaft is arranged in the sampling cavity, the lower side of the sampling cavity is connected with a mixing cavity through a first communicating cavity, the right side of the first communicating cavity is communicated with a baffle sliding groove, the right side of the baffle sliding groove is communicated with the outside, and a first baffle with a handle on the right side is arranged in the baffle sliding groove in a sliding mode.

3. The sewage operation sludge dewatering device capable of controlling the dosage according to claim 2, characterized in that: the transmission assembly further comprises a first one-way gear fixedly mounted in the transmission cavity and fixedly mounted with a first cam rotating shaft, a second one-way gear fixedly mounted with a second cam rotating shaft is arranged in the transmission cavity, the second one-way gear comprises an outer wheel and a ratchet wheel, the outer wheel can be meshed with the rack, the ratchet wheel is fixedly mounted with the first one-way gear and the second one-way gear, a hollow rotating shaft rotatably mounted on the upper end wall of the transmission cavity is fixedly mounted on the upper side of the outer wheel, and the inner side of the outer wheel is hinged with two pawls connected with the outer wheel through pawl springs.

4. The sewage operation sludge dewatering device capable of controlling the dosage according to claim 3, characterized in that: the dehydration subassembly is including connecting the medical kit the second intercommunication chamber of hybrid chamber, second intercommunication chamber left and right sides intercommunication is equipped with horizontal sliding groove, slide in the horizontal sliding groove be equipped with the opening sliding block that horizontal sliding groove right-hand member wall passes through reset spring and connects, contain on the opening sliding block with second intercommunication chamber complex through-hole, horizontal sliding groove left side intercommunication is equipped with sliding groove from top to bottom, slide from top to bottom slide be equipped with opening sliding block left side is through the following sliding block of inclined plane sliding fit, gravity board right side fixed mounting has anodal magnet, following sliding block left side fixed mounting with the opposite inter attraction's of anodal magnet magnetic pole negative pole magnet.

5. The sewage operation sludge dewatering device capable of controlling the dosage according to claim 4, characterized in that: the dehydration component also comprises a third cam rotating cavity communicated with the right side of the second communicating cavity, a fan blade rotating cavity is arranged in the first communicating cavity, the right end wall of the third cam rotating cavity is rotatably provided with a third cam rotating shaft extending rightwards to the fan blade rotating cavity, a third cam containing a limiting groove and fixedly arranged on the left side of the third cam rotating shaft is arranged in the third cam rotating cavity, the upper end wall of the third cam rotating cavity is slidably provided with a second baffle extending leftwards to the second communicating cavity and in sliding fit with the third cam limiting groove through a second limiting block, the rear end wall of the fan blade is rotatably provided with a fan blade rotating shaft, the fan blade rotating shaft is fixedly provided with a fan blade, the third cam rotating shaft is in transmission through a set of bevel gear pair positioned in the fan blade rotating cavity, the lower end wall of the third cam rotating cavity is rotatably provided with a second stirring shaft extending downwards to the mixing cavity, the second stirring shaft and the third cam rotating shaft are in transmission through a group of bevel gear pairs positioned in the third cam rotating cavity, and a second stirring rod fixedly installed with the second stirring shaft is arranged in the mixing cavity.