CN-121974462-A - Wastewater pretreatment device

CN121974462ACN 121974462 ACN121974462 ACN 121974462ACN-121974462-A

Abstract

The application discloses a wastewater pretreatment device, which relates to the technical field of wastewater treatment, and comprises a filter box, a reaction box and a support frame, wherein the filter box is arranged on the reaction box, the filter box comprises an upper shell, a sealing cover, a water inlet pipe, a spiral plate and a plurality of filter components, the sealing cover is arranged on an upper end opening of the upper shell, the water inlet pipe is arranged on the side wall of the upper shell, a water outlet is arranged at the center of the inner bottom of the upper shell and communicated with the interior of the reaction box, the spiral plate is spirally arranged in the upper shell, the water inlet pipe is opposite to the outer end of the spiral plate, the water outlet is opposite to the inner end of the spiral plate, the bottom surface of the spiral plate is connected with the inner bottom surface of the upper shell, the top surface of the spiral plate is in abutting connection with the sealing cover, and the filter components are arranged in the upper shell and spirally distributed along the spiral plate.

Inventors

SHE MIN
YANG HAO
XIE XIAOFENG
GAO QUANYONG
Gan le
LIU CHUN
ZHOU DONG

Assignees

重庆巨科环保有限公司

Dates

Publication Date: 20260505
Application Date: 20260320

Claims (10)

1. The wastewater pretreatment device is characterized by comprising a filter box, a reaction box and a supporting frame; the filter box is arranged on the reaction box, and the support frame is arranged at the bottom of the filter box; the filter box comprises an upper shell, a sealing cover, a water inlet pipe, a spiral plate and a plurality of filter components; the upper shell is a hollow box body with an opening at the upper end, and the sealing cover is arranged on the opening at the upper end of the upper shell; a water inlet pipe is arranged on the side wall of the upper shell and used for discharging wastewater into the upper shell; a water outlet is formed in the center of the inner bottom of the upper shell, and is communicated with the inside of the reaction box; the spiral plate is spirally arranged in the upper shell, the water inlet pipe is opposite to the outer end of the spiral plate, and the water outlet is opposite to the inner end of the spiral plate, so that wastewater can flow in the upper shell through the water inlet pipe along the spiral plate and then enter the reaction box through the water outlet; The bottom surface of the spiral plate is connected with the inner bottom surface of the upper shell, and the top surface of the spiral plate is in abutting connection with the sealing cover; The plurality of filter components are arranged inside the upper shell, and the filter components are distributed in a spiral mode along the spiral plate.
2. The wastewater pretreatment apparatus of claim 1, wherein the filter assembly comprises a hinge shaft, a compression spring, and two filter blades; The hinge shaft is vertically arranged on the inner bottom surface of the upper shell, the two filter fan blades are hinged on the hinge shaft, and the two filter fan blades are positioned on the same side of the hinge shaft; The two ends of the pressure spring are respectively connected with the opposite surfaces of the two filter blades, and one ends of the two filter blades, which are far away from the hinge shaft, are respectively abutted against the spiral plate.
3. The wastewater pretreatment device as claimed in claim 2, wherein the filter blades are densely provided with filter holes.
4. The wastewater pretreatment apparatus as claimed in claim 3, wherein the filter holes of the plurality of filter blades from the outer end of the spiral plate to the inner end of the spiral plate are sequentially reduced.
5. The wastewater pretreatment apparatus of claim 4, further comprising a medical fluid storage tank; coagulant is stored inside the liquid medicine storage tank, be connected with the medicine delivery pipe on the liquid medicine storage tank, the medicine delivery pipe keep away from the one end of liquid medicine storage tank with the inside intercommunication of reaction tank.
6. The wastewater pretreatment apparatus as claimed in claim 5, wherein both sides of the spiral plate are laid with brush layers; the brush layer is spirally distributed along the spiral plate, and the brush layer is arranged on the spiral plate in a magic tape mode.
7. The wastewater pretreatment apparatus of claim 6, wherein the reaction tank comprises a lower housing, a water suction pipe, a flexible hose, an upward floating bladder, and a sewage gate; the lower shell is a hollow box body with an opening at the upper end, and the opening at the upper end of the lower shell is connected with the bottom of the upper shell in a sealing manner; One end of the drug delivery pipe, which is far away from the liquid medicine storage tank, is communicated with the interior of the lower shell; the water pumping pipe is arranged on the side wall of the top of the lower shell, passes through the lower shell in a sealing mode, and is positioned at one end inside the lower shell and connected with the telescopic hose.
8. The wastewater pretreatment device of claim 7, wherein an upward floating air bag is sleeved on one end of the telescopic hose away from the filter box, and a bottom end opening of the telescopic hose is positioned below the upward floating air bag.
9. The wastewater pretreatment apparatus of claim 8, wherein a center of gravity of the floating bladder is located near a bottom end opening side of the water suction pipe.
10. The wastewater pretreatment apparatus of claim 9, wherein the floating air bag is made of rubber.

Description

Wastewater pretreatment device Technical Field The invention relates to the technical field of wastewater treatment, in particular to a wastewater pretreatment device. Background The pretreatment step of the wastewater is a key link of environmental protection and water resource recycling, and has a non-negligible effect on improving the overall treatment efficiency and the water quality purification effect. Traditional wastewater pretreatment technologies, such as grid filtration and sedimentation tanks, can remove suspended matters, floaters and part of large-particle impurities in wastewater to a certain extent, but are increasingly complex and variable in wastewater components and treatment requirements, and the technologies are gradually exposed to limitations. In particular, the traditional grid filtering device relies on fixed metal grid bars or screens to intercept solid matters in wastewater, however, the physical interception mode has limited capability of removing tiny particle pollutants, is easy to influence water flow flux due to blockage, and needs frequent manual cleaning and maintenance. Disclosure of Invention The application provides the wastewater pretreatment device, which solves the technical effects that the filtering device is blocked when particles in wastewater are filtered in the prior art, so that the water flow of the wastewater is influenced, the probability of blocking the filtering device is reduced, and the influence on the water flow of the wastewater is reduced. The application provides a wastewater pretreatment device which comprises a filter box, a reaction box and a support frame, wherein the filter box is arranged on the reaction box, the support frame is arranged at the bottom of the filter box, the filter box comprises an upper shell, a sealing cover, a water inlet pipe, a spiral plate and a plurality of filter components, the upper shell is a hollow box body with an open upper end, the sealing cover is arranged on the open upper end of the upper shell, the side wall of the upper shell is provided with the water inlet pipe, the water inlet pipe is used for discharging wastewater into the upper shell, the center of the inner bottom of the upper shell is provided with a water outlet, the water outlet is communicated with the interior of the reaction box, the spiral plate is spirally arranged in the upper shell, the water inlet pipe is opposite to the outer end of the spiral plate, the water outlet is opposite to the inner end of the spiral plate, so that the wastewater can flow in the upper shell through the water inlet pipe, then enters the interior of the reaction box through the water outlet, the bottom surface of the spiral plate is connected with the bottom surface of the upper shell, the water outlet is communicated with the interior of the reaction box, and the filter components are spirally arranged in the spiral plate along the spiral shell. The filter assembly comprises a hinge shaft, a pressure spring and two filter blades, wherein the hinge shaft is vertically arranged on the inner bottom surface of the upper shell, the two filter blades are hinged to the hinge shaft and located on the same side of the hinge shaft, two ends of the pressure spring are respectively connected with opposite surfaces of the two filter blades, and one ends, far away from the hinge shaft, of the two filter blades are respectively abutted against the spiral plate. Further, the filter fan blades are densely provided with filter holes. Further, the filter holes on the plurality of filter blades from the outer end of the spiral plate to the inner end of the spiral plate are sequentially reduced. Furthermore, the wastewater pretreatment device further comprises a liquid medicine storage tank, wherein a coagulant is stored in the liquid medicine storage tank, a medicine conveying pipe is connected to the liquid medicine storage tank, and one end, far away from the liquid medicine storage tank, of the medicine conveying pipe is communicated with the inside of the reaction tank. Further, brush layers are laid on two sides of the spiral plate, the brush layers are distributed spirally along the spiral plate, and the brush layers are arranged on the spiral plate in a magic tape mode. The reaction box comprises a lower shell, a water pumping pipe, a telescopic hose, an upward floating air bag and a sewage draining door, wherein the lower shell is a hollow box body with an opening at the upper end, the opening at the upper end of the lower shell is connected with the bottom of the upper shell in a sealing mode, one end of the drug delivery pipe, which is far away from the drug liquid storage tank, is communicated with the interior of the lower shell, the water pumping pipe is arranged on the side wall of the top of the lower shell, the water pumping pipe penetrates through the lower shell in a sealing mode, and one end of the water pumping pipe, which is located in the lower shell, is connect