CN116102228A - Concentration and dehydration integrated machine for sludge treatment - Google Patents

Abstract

The invention belongs to the technical field of sludge treatment, and particularly relates to a concentration and dehydration integrated machine for sludge treatment, which comprises a stirring bin, wherein a stirring part is arranged inside the stirring bin, a feeding hopper is fixedly communicated with the top end of the stirring bin, a discharging bin is communicated with the bottom end of the side wall of the stirring bin, a discharging part is arranged inside the discharging bin, a separating bin is communicated with the bottom end of one end of the discharging bin, which is far away from the stirring bin, an impurity sorting mechanism is arranged inside the separating bin, a separating bin is communicated with the bottom end of the separating bin, a pushing part is arranged inside the separating bin, one end of the separating bin, which is far away from the separating bin, is fixedly communicated with one end of a three-way joint, the other two ends of the three-way joint are respectively fixedly communicated with an extrusion bin, an extrusion part is arranged inside the bottom end of the extrusion bin, a water collecting bin is fixedly communicated with the bottom end of the extrusion bin, a wastewater lifting part is arranged inside the water outlet end of the wastewater lifting part is communicated with the top end of the stirring bin. The integrated machine can achieve the purpose of improving the sludge recycling rate by enabling the sludge treatment equipment to have the function of removing solid insoluble matters.

Description

Concentration and dehydration integrated machine for sludge treatment

technical field

The invention belongs to the technical field of sludge treatment, and in particular relates to a concentration and dehydration integrated machine for sludge treatment.

Background technique

With the development of social economy and the acceleration of urbanization, the amount of urban sewage treatment plants and the accompanying sludge has increased rapidly, and the sludge treatment equipment has also been constantly updated to meet the needs of sludge treatment. Sludge treatment equipment usually includes an independently set thickening unit and sludge dewatering system. When performing sludge treatment, the thickening unit is used to thicken the thinner sludge first, and the sludge with reduced water content after thickening enters the sludge dewatering system. dehydration. The sludge that needs to be treated usually contains a part of solid insolubles. The sludge treatment equipment in the prior art does not have the function of removing solid insolubles, resulting in solid insolubles in the treated sludge, which affects the reuse of sludge . Therefore, it is necessary to design a kind of thickening and dewatering integrated machine for sludge treatment to solve the above problems.

Contents of the invention

The object of the present invention is to provide an integrated machine for concentration and dehydration for sludge treatment to solve the above problems and achieve the purpose of enabling the sludge treatment equipment to have the function of removing solid insolubles so as to improve the sludge reuse rate.

In order to achieve the above object, the present invention provides the following scheme: an integrated machine for concentration and dehydration for sludge treatment, including a stirring chamber, a stirring part is arranged inside the stirring chamber, a feeding hopper is fixedly connected to the top of the stirring chamber, and the The bottom end of the side wall of the mixing bin is connected with a discharge bin, the inside of which is provided with a discharge part, and the bottom of the end of the outlet bin far away from the mixing bin is connected with a separation bin, and the inside of the separation bin is provided with impurities Sorting mechanism, the bottom end of the separation bin is connected with a distribution bin, the inside of the distribution bin is provided with a pushing part, and the end of the distribution bin far away from the separation bin is fixedly connected with one end of a three-way joint. The other two ends of the connection joint are respectively fixedly connected with a squeeze chamber, and the inside of the squeeze chamber is provided with an extrusion part, and the bottom end of the squeeze chamber is fixedly connected with a water collection chamber, and the inside of the water collection chamber is provided with a waste water lifting part , the outlet end of the waste water lifting part communicates with the top of the mixing chamber.

Preferably, the stirring part includes a first motor, the first motor is fixedly connected to the outside of the bottom wall of the stirring bin, the output shaft of the first motor rotates through the bottom wall of the stirring bin and is fixedly connected to a stirring shaft, The outer wall of the stirring shaft is fixedly connected with a plurality of stirring support shafts, and the plurality of stirring support shafts are arranged at equal intervals along the circumferential direction and the axial direction of the outer wall of the stirring shaft.

Preferably, the discharge part includes a second motor, the second motor is fixedly connected to the outer wall of the discharge bin away from the stirring bin, and the output shaft of the second motor passes through the side of the discharge bin One end of the discharge auger is fixedly connected to the wall, and the other end of the discharge auger is located in the discharge hole opened on the side wall of the mixing chamber.

Preferably, the impurity sorting mechanism includes a third motor, the third motor is fixedly connected to the top end of the outer wall of the separation bin, and the output shaft of the third motor passes through the top wall of the separation bin and is fixedly connected to a rotating shaft At one end, the bottom end inside the separation chamber is fixedly connected with a fixed rod, the other end of the rotating shaft is connected with the middle part of the fixed rod in rotation, and the middle part of the rotating shaft is fixedly connected with an impurity sorting part, and the impurity sorting part is connected with the The inner side walls of the separation chamber are in rotational contact.

Preferably, the impurity sorting part includes a material distribution plate, the material distribution plate is fixedly connected to the middle part of the outer wall of the rotating shaft, the edge of the material distribution plate is in rotational contact with the inner wall of the separation bin, and the material distribution plate A number of evenly distributed through holes are opened on the plate, and a sleeve is sleeved on the outer wall of the rotating shaft, and one end of a baffle is fixedly connected to the outer wall of the sleeve, and the other end of the baffle is connected to the inner wall of the separation chamber. fixedly connected, the bottom of the baffle is in sliding contact with the top of the distribution plate, the side wall of the separation bin is provided with a slag discharge port, the bottom of the slag discharge port is flush with the top of the distribution plate, the The end of the baffle plate is fixedly connected to the side wall of the slag discharge port, and the outer wall of the separation bin is fixedly connected to a first slag collection tank, the first slag collection tank is located on the same side as the slag discharge port, and the first slag collection tank is located on the same side as the slag discharge port. The top of a slag collecting tank is flush with the bottom of the slag discharge port.

Preferably, the pushing part includes a fourth motor, the fourth motor is fixedly connected to the outer side wall of the distribution bin, and the output shaft of the fourth motor rotates through the side wall of the distribution bin and is fixedly connected to a pusher. One end of the material auger, and the other end of the pushing auger is rotatably connected with the end of the tee joint.

Preferably, the extrusion part includes a driving roller, the two ends of the driving roller are respectively rotatably connected to the side wall of the extrusion chamber, and one end of the driving roller is fixedly connected to an output shaft of an extrusion motor, and the extrusion motor is connected to the The outer side wall of the extrusion chamber is fixedly connected, the driving roller is connected to the driven roller through the extrusion belt transmission, the two ends of the driven roller are respectively connected to the side wall of the extrusion chamber in rotation, and the top of the extrusion chamber The wall is fixedly connected with a scraper, and the bottom end of the scraper is in sliding contact with the outer side of the extrusion belt close to the driven roller, and several auxiliary rollers are arranged at equal intervals between the driving roller and the driven roller. The two ends of the auxiliary roller are respectively connected to the side wall of the extrusion chamber in rotation, the driving roller, driven roller, and auxiliary roller are located on the same horizontal plane, and the bottom wall of the extrusion chamber is fixedly laid with filter cloth. The bottom wall of the extruding bin is provided with several outlet holes.

Preferably, the waste water lifting part includes a lifting pump, the lifting pump is fixedly arranged in the water collecting bin, the outlet of the lifting pump is fixedly connected to one end of the water outlet pipe, and the other end of the water outlet pipe is fixedly connected to one end of the confluence pipe , the other end of the confluence pipe passes through the top wall of the mixing bin and is fixedly connected with a nozzle, and the nozzle is fixedly connected with the top wall of the mixing bin.

Compared with the prior art, the present invention has the following advantages and technical effects:

In the present invention, the sludge is fully stirred by the stirring part arranged inside the stirring chamber, and the combined state of the sludge and its internal solid insolubles is destroyed, so that the solid insolubles can be removed from the sludge in the subsequent treatment process, and the stirred The sludge is transferred to the separation chamber through the discharge part, and then the effective separation of the sludge and solid insolubles is completed under the action of the impurity sorting mechanism inside the separation chamber, and the separated sludge is transferred to the separation chamber through the transfer function of the pushing part. In the extrusion chamber, the extrusion part in the extrusion chamber starts to squeeze the sludge to realize the separation of mud and water. The separated solid sludge is discharged from the extrusion chamber for reuse, while the separated waste water is collected in the water collection The tank enters the mixing tank through the lifting of the waste water lifting part, and mixes with the sludge to be stirred to reduce the viscosity of the sludge, so that the stirring part can destroy the combined state of the sludge and the solid insoluble matter.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor:

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the mixing chamber of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the discharge bin of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the separation chamber of the present invention;

Fig. 5 is a top view of the internal structure of the separation chamber of the present invention;

Fig. 6 is a schematic diagram of the internal structure of the distribution bin of the present invention;

Fig. 7 is a schematic diagram of the internal structure of the extrusion chamber of the present invention;

Fig. 8 is a schematic structural diagram of Embodiment 2 of the present invention.

Among them, 1. Stirring bin; 2. First motor; 3. Stirring shaft; 4. Stirring shaft; 5. Feeding hopper; 6. Feeding hole; 7. Discharging hole; 8. Discharging bin; 9. Second Motor; 10, discharge auger; 11, blanking hole; 12, separation chamber; 13, third motor; 14, rotating shaft; 15, fixed rod; 16, distribution plate; 17, sleeve; Plate; 19, the first slag collecting tank; 20, funnel; 21, feeding hole; 22, slag discharge port; 23, through hole; 24, distribution bin; 25, the fourth motor; 26, pushing auger; 27. Feed inlet; 28. Squeeze bin; 29. Driving roller; 30. Driven roller; 31. Auxiliary roller; 32. Squeeze belt; 33. Scraper; 34. Filter cloth; 35. Water outlet hole; 36. Water collection bin; 37. Lifting pump; 38. Outlet pipe; 39. Confluence pipe; 40. Nozzle; 41. Tee joint; 42. Connecting pipe; 43. Second slag collecting tank;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

Referring to Fig. 1-Fig. 7, this embodiment provides an integrated machine for concentration and dehydration for sludge treatment, which includes a mixing chamber 1, a stirring part is arranged inside the stirring chamber 1, a feeding hopper 5 is fixedly connected to the top of the stirring chamber 1, and a mixing chamber 1 The bottom end of the side wall is connected with a discharge bin 8, and a discharge part is arranged inside the discharge bin 8. The bottom of the end of the discharge bin 8 away from the mixing bin 1 is connected with a separation bin 12, and an impurity sorting mechanism is arranged inside the separation bin 12. The bottom end of the separation bin 12 is connected with a distribution bin 24, and the inside of the distribution bin 24 is provided with a pushing part. One end of the distribution bin 24 away from the separation bin 12 is fixedly connected with one end of a tee joint 41, and the other two ends of the tee joint 41 are respectively fixed. The extruding chamber 28 is connected with the extrusion chamber 28, and the extruding part is arranged inside the extruding chamber 28. The bottom end of the extruding chamber 28 is fixedly connected with the water collection chamber 36. The interior of the water collection chamber 36 is provided with a waste water lifting part, and the outlet of the waste water lifting part is connected with the stirring The top of warehouse 1 is connected.

Further, a feeding hole 6 is opened on the top wall of the mixing chamber 1 , and the feeding hopper 5 communicates with the feeding hole 6 .

The sludge is fully stirred by the stirring part installed inside the mixing chamber 1, and the combined state of the sludge and its internal solid insolubles is destroyed, so that the solid insolubles can be removed from the sludge in the subsequent treatment process, and the stirred sludge The mud is transferred to the separation chamber 12 through the discharge part, and then the effective separation of the sludge and solid insolubles is completed under the action of the impurity sorting mechanism inside the separation chamber 12, and the separated sludge is transferred by the transfer function of the pusher part In the extrusion chamber 28, the extrusion part in the extrusion chamber 28 starts to squeeze the sludge to realize the separation of mud and water. The separated solid sludge is discharged from the extrusion chamber 28 for reuse, while the separated waste water is Collected in the water collection bin 36 and then enter the mixing bin 1 through the lifting of the waste water lifting part, mix with the sludge to be stirred, reduce the viscosity of the sludge, and facilitate the stirring part to destroy the combined state of the sludge and solid insolubles .

To further optimize the scheme, the stirring part includes a first motor 2, the first motor 2 is fixedly connected to the outside of the bottom wall of the stirring chamber 1, the output shaft of the first motor 2 rotates through the bottom wall of the stirring chamber 1, and is fixedly connected to the stirring shaft 3, the stirring shaft 3 The outer wall is fixedly connected with a plurality of stirring support shafts 4 , and the plurality of stirring support shafts 4 are arranged at equal intervals along the circumferential direction and the axial direction of the outer wall of the stirring shaft 3 .

After the sludge is put into the mixing bin 1, the first motor 2 works to drive the stirring shaft 3 and the stirring support shaft 4 to rotate to fully stir the sludge.

In a further optimization scheme, the discharge part includes a second motor 9, the second motor 9 is fixedly connected to the outer wall of the discharge bin 8 away from the mixing bin 1, and the output shaft of the second motor 9 passes through the side wall of the discharge bin 8 and is fixedly connected to an outlet One end of the material auger 10 and the other end of the discharge auger 10 are located in the discharge hole 7 provided on the side wall of the mixing chamber 1 .

Further, the bottom wall of the discharge bin 8 away from the mixing bin 1 is provided with a feeding hole 11 , and the top wall of the separation bin 12 is provided with a feeding hole 21 , and the feeding hole 11 and the feeding hole 21 are connected through a connecting pipe 42 .

After the sludge is stirred for a certain period of time, the second motor 9 works to drive the discharge auger 10 to rotate. During the rotation of the discharge auger 10, the sludge is transferred to the top of the discharge hole 11, and the sludge passes through the discharge hole 11, the connecting pipe 42. The feed hole 21 is transferred to the separation bin 12, and the separation of sludge and solid insolubles begins.

To further optimize the scheme, the impurity sorting mechanism includes a third motor 13, the third motor 13 is fixedly connected to the top of the outer wall of the separation bin 12, the output shaft of the third motor 13 passes through the top wall of the separation bin 12 and is fixedly connected to one end of the rotating shaft 14, and the separation The inner bottom of the warehouse 12 is fixedly connected with a fixed rod 15, the other end of the rotating shaft 14 is rotationally connected with the middle part of the fixed rod 15, and the middle part of the rotating shaft 14 is fixedly connected with an impurity sorting part, and the impurity sorting part is in rotational contact with the inner side wall of the separation bin 12.

To further optimize the scheme, the impurity sorting part includes a material distribution plate 16, which is fixedly connected to the middle part of the outer wall of the rotating shaft 14, and the edge of the material distribution plate 16 is in rotational contact with the inner wall of the separation chamber 12. Uniformly distributed through holes 23, the outer wall of the rotating shaft 14 is sleeved with a sleeve 17, the outer wall of the sleeve 17 is fixedly connected to one end of a baffle 18, the other end of the baffle 18 is fixedly connected to the inner wall of the separation chamber 12, and the baffle 18 The bottom end is in sliding contact with the top of the distribution plate 16. The side wall of the separation chamber 12 is provided with a slag discharge port 22. The bottom of the slag discharge port 22 is flush with the top of the distribution plate 16. Fixedly connected, the outer wall of the separation chamber 12 is fixedly connected with a first slag collecting tank 19 , the first slag collecting tank 19 and the slag discharge port 22 are located on the same side, and the top of the first slag collecting tank 19 is flush with the slag discharge port 22 bottom.

After the sludge enters the separation bin 12, it falls on the material distribution plate 16, and the third motor 13 starts to work to drive the rotating shaft 14 and the material distribution plate 16 to rotate continuously. During the rotation, the sludge falls into the separation material through the through hole 23. The bottom of the bin 12 enters into the distribution bin 24, while the solid insoluble matter is intercepted by the distribution plate 16, and gathers on the side of the baffle plate 18 with the continuous rotation of the distribution plate 16, because the baffle plate 18 is set obliquely Therefore, under the double action of the rotating push of the distribution plate 16 and the blocking of the baffle plate 18, the solid insoluble matter is gradually pushed out from the slag discharge port 22 and finally falls into the first slag collecting tank 19.

Further, the bottom end of the separation bin 12 is fixedly connected with the large mouth end of the funnel 20 , and the small mouth end of the funnel 20 is connected with the feeding port 27 opened at the top of the distribution bin 24 .

To further optimize the scheme, the pushing part includes a fourth motor 25, the fourth motor 25 is fixedly connected to the outer side wall of the distribution bin 24, and the output shaft of the fourth motor 25 rotates through the side wall of the distribution bin 24 and is fixedly connected to one end of the pushing auger 26 , the other end of the pushing auger 26 is rotationally connected with the end of the three-way joint 41.

After the sludge falls into the distribution bin 24, the fourth motor 25 works to drive the pusher auger 26 to rotate, and the pusher auger 26 transfers the sludge to the three-way joint 41, and the sludge passes through the diversion of the three-way joint 41 function, divide into two paths and enter into two extruding chambers 28 respectively to start extruding and dehydrating.

To further optimize the scheme, the extrusion part includes a driving roller 29, the two ends of the driving roller 29 are respectively connected to the side wall of the extrusion chamber 28 in rotation, and one end of the driving roller 29 is fixedly connected to the output shaft of the extrusion motor, and the extrusion motor is connected to the outside of the extrusion chamber 28. The wall is fixedly connected, the driving roller 29 is connected to the driven roller 30 through the extrusion belt 32, and the two ends of the driven roller 30 are respectively connected to the side wall of the extrusion chamber 28 in rotation, and the top wall of the extrusion chamber 28 is fixedly connected to the mud scraper 33 , the bottom end of the mud scraper 33 is in sliding contact with the outer side of the extrusion belt 32 close to the driven roller 30, and several auxiliary rollers 31 are arranged at equal intervals between the driving roller 29 and the driven roller 30, and the two ends of the auxiliary roller 31 are respectively connected to the extrusion belt. The side walls of the bin 28 are rotatably connected, the driving roller 29, the driven roller 30, and the auxiliary roller 31 are located on the same horizontal plane, the bottom wall of the extrusion bin 28 is fixedly laid with filter cloth 34, and the bottom wall of the extrusion bin 28 is provided with a number of water outlet holes 35.

After the sludge enters the extrusion chamber 28, the extrusion motor drives the driving roller 29 to rotate, and the driven roller 30 and the auxiliary roller 31 are driven to rotate by the transmission of the extrusion belt 32 to start squeezing and dehydrating the sludge. The discharged waste water permeates the filter cloth 34 and finally collects into the water collection bin 36 through the water outlet hole 35, and the sludge after extrusion and dehydration is pushed from the extrusion bin 28 under the push of the sludge that continues to enter the extrusion bin 28. The outlet end is discharged, and the mud scraper 33 can scrape off the sludge adhered to the surface of the extrusion belt 32 .

To further optimize the scheme, the waste water lifting part includes a lifting pump 37, which is fixedly installed in the water collection bin 36, and the outlet of the lifting pump 37 is fixedly connected to one end of the water outlet pipe 38, and the other end of the water outlet pipe 38 is fixedly connected to one end of the confluence pipe 39. The other end of the pipe 39 passes through the top wall of the mixing chamber 1 and is fixedly connected with a nozzle 40 , and the nozzle 40 is fixedly connected with the top wall of the mixing chamber 1 .

The lifting pump 37 works to pump the waste water into the outlet pipe 38, and then enters the nozzle 40 through the confluence pipe 39 and sprays it out. The sprayed waste water can dilute the sludge put into the mixing chamber 1 to improve the mixing and dilution effect of the sludge , to ensure the removal effect of solid insoluble matter inside the sludge.

Embodiment two:

Referring to Fig. 8, the difference between this embodiment and Embodiment 1 is that the outer wall of the separation chamber 12 is fixedly connected with a second slag collection tank 43, the top of the second slag collection tank 43 is flat with the bottom end of the slag discharge port 22, and the second collection tank 43 The bottom wall of the slag tank 43 is in an inclined state, and the lower end is fixedly connected with the outer side wall of the separation chamber 12. The side wall of the separation chamber 12 is provided with a number of return holes 44, and the bottom return hole 44 is connected to the second slag collecting hole. The lower end of the inclined bottom wall of the tank 43 is flat. In this embodiment, a small amount of liquid sludge discharged into the second slag collecting tank 43 can flow back to the separation bin 12 through the liquid return hole 44 under the action of the inclined bottom wall. Internally, reduce the waste of sludge.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and are not intended to limit the scope of the present invention. Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (8)

1. The utility model provides a sludge treatment is with concentrated dehydration all-in-one, its characterized in that, including stirring storehouse (1), stirring storehouse (1) inside is provided with stirring portion, stirring storehouse (1) top fixed intercommunication has throw hopper (5), stirring storehouse (1) lateral wall bottom intercommunication has ejection of compact storehouse (8), ejection of compact storehouse (8) inside is provided with ejection of compact portion, ejection of compact storehouse (8) are kept away from stirring storehouse (1) one end bottom intercommunication has separation storehouse (12), separation storehouse (12) inside is provided with impurity letter sorting mechanism, separation storehouse (12) bottom intercommunication has branch feed bin (24), divide feed bin (24) inside to be provided with pushing part, branch feed bin (24) are kept away from separation storehouse (12) one end fixed intercommunication has tee bend joint (41) one end, tee bend joint (41) both ends are fixed respectively and are linked together in addition and are provided with extrusion storehouse (28), extrusion storehouse (28) inside is provided with extrusion portion, extrusion storehouse (28) bottom fixed intercommunication has water collection storehouse (36), inside is provided with water collection storehouse (36) promotion portion, water collection storehouse (12) inside is provided with waste water and waste water top intercommunication (1).

2. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the stirring part comprises a first motor (2), the first motor (2) is fixedly connected with the outer side of the bottom wall of the stirring bin (1), an output shaft of the first motor (2) rotates to pass through the stirring shaft (3) fixedly connected with the bottom wall of the stirring bin (1), a plurality of stirring support shafts (4) are fixedly connected with the outer side wall of the stirring shaft (3), and a plurality of stirring support shafts (4) are arranged at equal intervals along the circumferential direction and the axial direction of the outer side wall of the stirring shaft (3).

3. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the discharging part comprises a second motor (9), the second motor (9) is fixedly connected with the outer side wall of the discharging bin (8) away from the stirring bin (1), an output shaft of the second motor (9) penetrates through one end of a discharging auger (10) fixedly connected with the side wall of the discharging bin (8), and the other end of the discharging auger (10) is positioned in a discharging hole (7) formed in the side wall of the stirring bin (1).

4. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the impurity sorting mechanism comprises a third motor (13), the third motor (13) is fixedly connected with the top end of the outer side wall of the separation bin (12), an output shaft of the third motor (13) penetrates through one end of a rotating shaft (14) fixedly connected with the top wall of the separation bin (12), a fixing rod (15) is fixedly connected with the bottom end inside the separation bin (12), the other end of the rotating shaft (14) is rotationally connected with the middle part of the fixing rod (15), an impurity sorting part is fixedly connected with the middle part of the rotating shaft (14), and the impurity sorting part is rotationally contacted with the inner side wall of the separation bin (12).

5. The concentrating and dewatering integrated machine for sludge treatment according to claim 4, wherein the impurity sorting part comprises a material separating plate (16), the material separating plate (16) is fixedly connected with the middle part of the outer side wall of the rotary shaft (14), the edge of the material separating plate (16) is in rotary contact with the inner side wall of the separation bin (12), a plurality of evenly distributed through holes (23) are formed in the material separating plate (16), a sleeve (17) is sleeved on the outer side wall of the rotary shaft (14) in a rotary manner, one end of a baffle (18) is fixedly connected with the outer side wall of the sleeve (17), the other end of the baffle (18) is fixedly connected with the inner side wall of the separation bin (12), the bottom end of the baffle (18) is in sliding contact with the top end of the material separating plate (16), the bottom end of the slag discharging port (22) is fixedly connected with the side wall of the slag discharging port (22), a first slag collecting groove (19) is flush with the top end of the first slag collecting groove (19), and the first slag collecting groove (19) is flush with the top end of the first slag collecting groove (19).

6. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the pushing part comprises a fourth motor (25), the fourth motor (25) is fixedly connected with the outer side wall of the distributing bin (24), an output shaft of the fourth motor (25) rotates to penetrate through the side wall of the distributing bin (24) and is fixedly connected with one end of a pushing auger (26), and the other end of the pushing auger (26) is rotationally connected with the end part of the three-way joint (41).

7. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the extruding part comprises a driving roller (29), two ends of the driving roller (29) are respectively in rotary contact with the side wall of the extruding bin (28), one end of the driving roller (29) is fixedly connected with an output shaft of an extruding motor, the extruding motor is fixedly connected with the outer side wall of the extruding bin (28), the driving roller (29) is connected with a driven roller (30) through an extruding belt (32) in a transmission manner, two ends of the driven roller (30) are respectively in rotary connection with the side wall of the extruding bin (28), a mud scraping plate (33) is fixedly connected with the top wall of the extruding bin (28), the bottom end of the mud scraping plate (33) is close to the outer side sliding contact of the extruding belt (32) of the driven roller (30), a plurality of auxiliary rollers (31) are arranged between the driving roller (29) and the driven roller (30) at equal intervals, two ends of the auxiliary rollers (31) are respectively in rotary connection with the side wall of the extruding bin (28), the driving roller (29), the auxiliary rollers (30) and the driven roller (31) are respectively located on the same horizontal plane, and a plurality of extrusion cloth (28) are fixedly provided with bottom walls (35).

8. The concentrating and dewatering integrated machine for sludge treatment according to claim 1, wherein the waste water lifting part comprises a lifting pump (37), the lifting pump (37) is fixedly arranged in the water collecting bin (36), an outlet of the lifting pump (37) is fixedly connected with one end of a water outlet pipe (38), the other end of the water outlet pipe (38) is fixedly communicated with one end of a collecting pipe (39), the other end of the collecting pipe (39) penetrates through the top wall of the stirring bin (1) and is fixedly communicated with a spray head (40), and the spray head (40) is fixedly connected with the top wall of the stirring bin (1).

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