CN-121974461-A - Backwash sewage treatment equipment of demineralized water system

CN121974461ACN 121974461 ACN121974461 ACN 121974461ACN-121974461-A

Abstract

The invention relates to the technical field of sewage treatment, in particular to backwash sewage treatment equipment of a desalted water system, which comprises a sedimentation tank, wherein a conveying pipe and a mixing tank are fixedly connected to the sedimentation tank, two ends of the conveying pipe are respectively communicated with the mixing tank and the sedimentation tank, a liquid inlet hopper and an annular dosing tank are fixedly connected to the upper end surface of the mixing tank, a plurality of dosing ports communicated with the annular dosing tank are formed in the upper inner wall of the mixing tank, an annular block is fixedly connected to the inner wall of the liquid inlet hopper, a mounting plate is fixedly connected to the annular block, and a rotating shaft is rotatably connected to the mounting plate. The invention synchronizes the dosing time with the wastewater flow, avoids the lag and non-uniformity of manual dosing, ensures that the medicament fully contacts with the wastewater in a multi-stage mixing strengthening mode, effectively coagulates fine suspended matters and colloid, and can prevent the problem of poor impurity removal effect caused by no flocculation process.

Inventors

DU HAIQIANG
HAN LIMING
HUI YUAN
WANG HONGTAO
YANG YANFEN
PANG CHANGJIANG
Gong yajie
FENG LINLIN
FAN LEI
WANG CHUANJUN
GUO RUIJIN
ZHANG GUANGLU
DU PENG

Assignees

焦作煤业（集团）冯营电力有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260317

Claims (10)

1. The backwashing sewage treatment equipment of the desalted water system comprises a settling tank (1) and is characterized in that a conveying pipe (2) and a mixing tank (3) are fixedly connected to the settling tank (1), two ends of the conveying pipe (2) are respectively communicated with the mixing tank (3) and the settling tank (1), and the upper end face of the mixing tank (3) is fixedly connected with a liquid inlet hopper (7) and an annular dosing tank (6); The upper inner wall of the mixing box (3) is provided with a plurality of dosing ports (14) communicated with the annular dosing box (6), the inner wall of the liquid inlet hopper (7) is fixedly connected with an annular block (29), a mounting plate (27) is fixedly connected in the annular block (29), a rotating shaft (12) is rotatably connected on the mounting plate (27), a guide cover (26), a rotating block (33), an impeller (28) and a stirring rod (13) are fixedly connected on the rotating shaft (12), a rotating assembly is arranged on the rotating block (33), a moving assembly is arranged on the annular block (29), and the moving assembly comprises a plurality of first T-shaped strips (19); The annular dosing box is characterized in that a plurality of L-shaped rods (32) which are arranged in an annular array are connected to the annular dosing box (6) in a sliding mode, one end of each L-shaped rod (32) is fixedly connected with a triangular block (31) used for blocking the dosing opening (14), each L-shaped rod (32) is provided with a sliding assembly, each sliding assembly comprises an arc-shaped plate (8), and the arc-shaped plates (8) are connected with the corresponding first T-shaped strips (19) through sliding blocks (25).
2. The backwash sewage treatment device of a demineralized water system according to claim 1, wherein a plurality of installation cavities arranged in an annular array are formed in the rotating block (33), each installation cavity is internally and slidably connected with a second T-shaped strip (30) with a T-shaped cross section, a first spring (34) is sleeved on the second T-shaped strip (30), one end of the first spring (34) is fixedly connected with the second T-shaped strip (30), and the other end of the first spring (34) is fixedly connected with the inner wall of the installation cavity.
3. The backwash sewage treatment device of a desalted water system according to claim 2, wherein said moving assembly further comprises a plurality of sliding chambers (21) formed in said annular block (29), each of said first T-shaped strips (19) is slidably connected with a corresponding sliding chamber (21), a second spring (35) is sleeved on said first T-shaped strip (19), one end of said second spring (35) is fixedly connected with said first T-shaped strip (19), and the other end of said second spring (35) is fixedly connected with the inner wall of said sliding chamber (21).
4. A backwash sewage treatment device of a desalted water system according to claim 3, wherein a gas transmission channel is provided in said rotary shaft (12), a plurality of said installation chambers are communicated with one end of said gas transmission channel, and a plurality of said sliding chambers (21) are communicated with the other end of said gas transmission channel.
5. The backwash sewage treatment device of a desalted water system according to claim 1, wherein a chute (40) is formed on a side surface of each arc plate (8) close to the liquid inlet hopper (7), the sliding block (25) is slidably connected with the chute (40), and cross sections of the sliding block (25) and the chute (40) are arranged in a convex shape.
6. The backwash sewage treatment device of a demineralized water system according to claim 1, characterized in that each arc plate (8) is provided with a cavity (36), the sliding assembly further comprises a sealing block (37) fixedly connected with the L-shaped rod (32), the sealing block (37) is slidably connected with the cavity (36), the L-shaped rod (32) is provided with a hollow structure, the L-shaped rod (32) is provided with an air inlet hole (38) and an air outlet hole (39), each arc plate (8) is provided with an air inlet channel, and the air inlet channel and the air outlet hole (39) are internally provided with a one-way valve (20).
7. The backwash sewage treatment device of a demineralized water system according to claim 1, wherein each arc plate (8) is fixedly connected with a clamping block (22), and a bayonet (23) is formed on one side of the arc plate (8) away from the clamping block (22).
8. The backwash sewage treatment device of a demineralized water system according to claim 1, wherein one of the arc plates (8) is fixedly connected with a bending bar (11), the liquid inlet bucket (7) is connected with a pressing block (24) through a return spring, one side of the liquid inlet bucket (7) is fixedly connected with a servo motor, and the driving end of the servo motor is fixedly connected with a cam (18).
9. The backwash sewage treatment device of a desalted water system according to claim 1, wherein a plurality of rotating rods (9) which are arranged in a staggered manner are rotatably connected on the conveying pipe (2), a baffle plate (15) and a torsion spring are fixedly connected on each rotating rod (9), and the torsion spring is fixedly connected with the conveying pipe (2).
10. The backwash sewage treatment device of a demineralized water system according to claim 9, characterized in that a plurality of the rotating rods (9) are connected with bending plates (5) through two pull ropes (4), a hollow cylinder (16) is fixedly connected on the annular dosing tank (6), the bending plates (5) are connected with the hollow cylinder (16) through a third spring (17), an inclined plate (10) is fixedly connected on one side of the conveying pipe (2), and a through hole for the penetration of the corresponding pull ropes (4) is formed in each inclined plate (10).

Description

Backwash sewage treatment equipment of demineralized water system Technical Field The invention relates to the technical field of sewage treatment, in particular to backwash sewage treatment equipment of a desalting water system. Background Along with the continuous development of society and continuous progress of science and technology, the related technology of sewage treatment is also continuously promoted, and sewage treatment is widely applied to various fields such as electric power, building, agriculture, petrochemical industry, environmental protection, urban landscapes, medical treatment, catering and the like, backwash sewage treatment equipment of a desalination system is commonly used at present, and the backwash sewage treatment equipment of the desalination system is a special equipment combination for carrying out purification treatment aiming at backwash/forward washing drainage of a mechanical filter, a double-medium filter, an activated carbon filter and an ion exchange bed in the desalination system. The patent document with the publication number of CN214167553U discloses a backwashing sewage treatment and recycling system of a demineralized water system, which comprises a filter box, wherein the bottom of the filter box is fixedly connected with a supporting plate, and the inside of the filter box is slidably connected with a connecting rod. The patent document solves the problem of great waste caused by the outward discharge of backwash water, but has the defects that the flocculation process is avoided, the whole impurity removal effect is limited, only large-particle suspended impurities can be removed, fine suspended matters and colloid cannot be effectively removed, a series of problems of substandard effluent quality, equipment operation faults and the like can be caused, and the sewage treatment effect is poor. Disclosure of Invention The invention aims to solve the defects in the prior art that a series of problems of substandard effluent quality, equipment operation faults and the like can be caused by only carrying out secondary sedimentation, rough filtration by a filter plate and centrifugal rotation of a fixed box to gather slag, so that flocculation is avoided, the whole impurity removal effect is limited, only large-particle suspended impurities can be removed, and fine suspended matters and colloid can not be effectively removed, and the sewage treatment effect is poor. In order to achieve the above purpose, the present invention adopts the following technical scheme: The backwash sewage treatment equipment of the desalted water system comprises a settling tank, wherein a conveying pipe and a mixing tank are fixedly connected to the settling tank, two ends of the conveying pipe are respectively communicated with the mixing tank and the settling tank, and the upper end surface of the mixing tank is fixedly connected with a liquid inlet hopper and an annular dosing tank; The upper inner wall of the mixing box is provided with a plurality of dosing ports communicated with the annular dosing box, the inner wall of the liquid inlet hopper is fixedly connected with an annular block, the annular block is internally fixedly connected with a mounting plate, the mounting plate is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a guide cover, a rotating block, an impeller and a stirring rod, the rotating block is provided with a rotating assembly, the annular block is provided with a moving assembly, and the moving assembly comprises a plurality of first T-shaped strips; The annular dosing box is provided with a plurality of L-shaped rods which are arranged in an annular array in a sliding manner, one end of each L-shaped rod is fixedly connected with a triangular block used for blocking the dosing opening, each L-shaped rod is provided with a sliding assembly, each sliding assembly comprises an arc-shaped plate, and the arc-shaped plates are connected with the corresponding first T-shaped strips through sliding blocks. As a preferred scheme, offer a plurality of installation cavities that are annular array setting on the turning block, every equal sliding connection has the second T shape strip that the transversal T shape that personally submits set up in the installation cavity, the cover is equipped with first spring on the second T shape strip, the one end of first spring with second T shape strip fixed connection, the other end of first spring with the inner wall fixed connection in installation cavity. As a preferred scheme, the movable assembly further comprises a plurality of sliding cavities formed in the annular block, each first T-shaped strip is in sliding connection with the corresponding sliding cavity, a second spring is sleeved on each first T-shaped strip, one end of each second spring is fixedly connected with each first T-shaped strip, and the other end of each second spring is fixedly connected with the inner wall of