Search

CN-121971902-A - Solid-liquid separation device for chemical wastewater treatment

CN121971902ACN 121971902 ACN121971902 ACN 121971902ACN-121971902-A

Abstract

The invention relates to the field of solid-liquid separation devices, in particular to a solid-liquid separation device for chemical sewage treatment, which comprises a driving shell, wherein the rear end of the driving shell is fixedly connected with a filtering outer cylinder, the right end of the filtering outer cylinder is fixedly connected with a discharging frame, the top end of the driving shell is fixedly connected with a mixing cylinder, the front end flange of the mixing cylinder is connected with a feeding pipe, the top end of the mixing cylinder is fixedly connected with a stirring motor, the output end of the stirring motor is fixedly connected with a stirring rod, the bottom end of the stirring rod is fixedly connected with a feeding auger, the top wall of the driving shell is fixedly connected with a transfer pipe, and the transfer pipe is communicated with the mixing cylinder. According to the invention, the fixed rings of the plurality of groups are fixed on the inner side wall of the filtering outer cylinder through the fixed rods, the filtering area is large, the structure is compact, the disassembly and the maintenance are convenient, the alternate extrusion and release of filter cakes are realized, and the filtrate flows out from the filtering chamber nearby and is collected into the liquid bearing frame through arranging the liquid leakage hole groups of the plurality of groups at the bottom end of the filtering outer cylinder and arranging the liquid leakage hole groups at positions between the adjacent fixed rings.

Inventors

  • GAO YUE
  • QI XUAN

Assignees

  • 海南科技职业大学

Dates

Publication Date
20260505
Application Date
20260309

Claims (9)

  1. 1. A solid-liquid separation device for chemical wastewater treatment comprises a driving shell (1), and is characterized in that the rear end of the driving shell (1) is fixedly connected with a filtering outer cylinder (2), the right end of the filtering outer cylinder (2) is fixedly connected with a discharging frame (3), the top end of the driving shell (1) is fixedly connected with a mixing cylinder (4), the front end flange of the mixing cylinder (4) is connected with a feeding pipe (6), the top end of the mixing cylinder (4) is fixedly connected with a stirring motor (5), the output end of the stirring motor (5) is fixedly connected with a stirring rod (7), the bottom end of the stirring rod (7) is fixedly connected with a feeding auger (8), the top wall of the driving shell (1) is fixedly connected with a transfer pipe (9) and the transfer pipe (9) is communicated with the mixing cylinder (4), the front side of the driving shell (1) is provided with a driving motor (10), the output end of the driving motor (10) is fixedly connected with a driving pulley (11), the outer side wall of the driving pulley (11) is sleeved with a driving belt (13), the driving pulley (13) is fixedly connected with the driving pulley (15) and one end of the driving pulley (15) is far away from the driving shaft (15), the driven belt wheel (12) is rotatably connected to the inner side wall of the driving shell (1).
  2. 2. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein the inner side wall of the driving housing (1) is connected with a protective cover (14) through bolts, the protective cover (14) covers the driving belt wheel (11) and the driving belt (13), one end of the driving shaft (15) far away from the driving belt (13) is rotatably connected to the inner side wall of the filtering outer cylinder (2), and the driving shaft (15) penetrates through the inner side wall of the filtering outer cylinder (2) and extends to the front side of the discharging frame (3).
  3. 3. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein six groups of fixing rods (29) are arranged on the inner side wall of the filtering outer cylinder (2), two ends of the fixing rods (29) are fixedly connected to the inner side wall of the filtering outer cylinder (2), a plurality of groups of fixing rings (20) are fixedly connected to the outer side wall of the fixing rods (29), a movable ring (16) is arranged between the two groups of fixing rings (20), an elastic distance sleeve (24) is arranged between the two groups of fixing rings (20), and the elastic distance sleeve (24) is sleeved on the outer side wall of the fixing rods (29).
  4. 4. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein the outer side wall of the driving shaft (15) is fixedly connected with a plurality of groups of first cams (17), second cams (18) and third cams (19), the total number of the first cams (17), the second cams (18) and the third cams (19) is the same as that of the movable ring (16), and the first cams (17), the second cams (18) and the third cams (19) are sequentially distributed on the surface of the driving shaft (15) according to the sequence.
  5. 5. The solid-liquid separation device for chemical wastewater treatment according to claim 4, wherein the centers of the first cam (17), the second cam (18) and the third cam (19) are not overlapped with the center of the driving shaft (15), one side of the movable ring (16) close to the first cam (17), the second cam (18) and the third cam (19) is provided with a chamfer, and the chamfer of each movable ring (16) is correspondingly contacted with one cam.
  6. 6. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein the bottom end of the filtering outer cylinder (2) is fixedly connected with a liquid bearing frame (22), and the right end of the liquid bearing frame (22) is fixedly connected with a liquid outlet pipe (23).
  7. 7. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein a plurality of groups of liquid leakage hole groups (21) are formed in the bottom end of the filtering outer cylinder (2), the liquid leakage hole groups (21) are located between any two groups of fixed rings (20), and the top diameter of the liquid leakage hole groups (21) is larger than the bottom diameter of the liquid leakage hole groups.
  8. 8. The solid-liquid separation device for chemical wastewater treatment according to claim 1, wherein the right end of the filtering outer cylinder (2) is fixedly connected with a discharge taper pipe (26), the discharge taper pipe (26) is positioned in the discharge frame (3), and the top end of the discharge frame (3) is fixedly connected with a pressure regulating cylinder (25).
  9. 9. The solid-liquid separation device for chemical wastewater treatment according to claim 8, wherein a rail (28) is fixedly connected to the inside of the discharging frame (3), a pressure regulating door (27) is slidably connected to the inside of the rail (28), the output end of the pressure regulating cylinder (25) is fixedly connected to the top end of the pressure regulating door (27), and the inner side of the pressure regulating door (27) is attached to the outer side of the outlet of the discharging taper pipe (26).

Description

Solid-liquid separation device for chemical wastewater treatment Technical Field The invention relates to the field of solid-liquid separation devices, in particular to a solid-liquid separation device for chemical wastewater treatment. Background In the chemical sewage treatment process, solid-liquid separation is one of key links. The existing solid-liquid separation device mainly comprises a plate-and-frame filter press, a belt filter press, a centrifugal separator and the like. The plate-and-frame filter press has better dehydration effect, but is operated intermittently, the efficiency is lower, the filter cloth is cleaned fussy, the belt filter press can realize continuous operation, but the phenomena of filter belt blockage and mud leakage are easy to occur for high-viscosity chemical sludge, the centrifugal separator has high treatment speed, but has higher energy consumption, is sensitive to fluctuation of the feeding concentration, and has serious equipment abrasion. Aiming at the common high-viscosity and high-compressibility sludge in chemical wastewater, the traditional filtering device is difficult to realize continuous operation and deep dehydration, and the problems of easy blockage of a filter screen, unsmooth sludge discharge, high water content of a filter cake and the like are commonly existed, so that the subsequent treatment efficiency and the treatment cost are influenced. Therefore, it is necessary to invent a solid-liquid separation device for chemical wastewater treatment to solve the above problems. Disclosure of Invention The invention aims to provide a solid-liquid separation device for chemical sewage treatment, which solves the problems that the conventional filtering device is difficult to realize continuous operation and deep dehydration, a filter screen is easy to block, mud discharge is not smooth, the water content of a filter cake is high and the like, and the follow-up treatment efficiency and disposal cost are affected by the cooperation of a driving shell, a filtering outer cylinder and other parts. In order to achieve the above purpose, the technical scheme is that the solid-liquid separation device for chemical wastewater treatment comprises a driving shell, wherein the rear end of the driving shell is fixedly connected with a filtering outer cylinder, the right end of the filtering outer cylinder is fixedly connected with a discharging frame, the top end of the driving shell is fixedly connected with a mixing cylinder, the front end of the mixing cylinder is in flange connection with a feeding pipe, the top end of the mixing cylinder is fixedly connected with a stirring motor, the output end of the stirring motor is fixedly connected with a stirring rod, the bottom end of the stirring rod is fixedly connected with a feeding auger, the top wall of the driving shell is fixedly connected with a transfer pipe and the transfer pipe is communicated with the mixing cylinder, the front side of the driving shell is provided with a driving motor, the output end of the driving motor is fixedly connected with a driving belt wheel, the outer side wall of the driving belt is sleeved with a driving belt, one end of the driving belt, which is far away from the driving belt is fixedly connected with a driven belt wheel, the front end of the driving shaft is rotationally connected with the inner side wall of the driving shell, the stirring motor is fixedly connected with the stirring rod, the stirring rod is connected with the feeding auger through the driving shell, the filtering outer cylinder and the discharging frame, the top wall of the stirring rod is fixedly connected with the feeding auger, the stirring rod and the stirring rod inside the stirring rod is used for stirring wastewater and the stirring rod. As a preferable scheme of the invention, the inner side wall bolt of the driving shell is connected with the protective cover, the protective cover covers the driving belt wheel and the driving belt, one end of the driving shaft far away from the driving belt is rotatably connected to the inner side wall of the filtering outer cylinder, and the driving shaft penetrates through the inner side wall of the filtering outer cylinder and extends to the front side of the discharging frame, the protective cover covers the driving belt wheel and the driving belt, foreign matters are prevented from being involved in or people touch by mistake, and meanwhile, the driving shaft is ensured to penetrate through and rotatably connected to the filtering outer cylinder and the discharging frame, so that stable rotary support is provided for a subsequent filtering unit. As a preferable scheme of the invention, six groups of fixing rods are arranged on the inner side wall of the filtering outer cylinder, two ends of each fixing rod are fixedly connected to the inner side wall of the filtering outer cylinder, a plurality of groups of fixing rings are fixedly connected to the outer side wall of