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CN-122010354-A - Sewage treatment equipment and treatment method based on chemical fiber cloth production

CN122010354ACN 122010354 ACN122010354 ACN 122010354ACN-122010354-A

Abstract

The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment and a sewage treatment method based on chemical fiber cloth production, wherein the sewage treatment equipment comprises a waste water tank, a materialization treatment unit, a biochemical treatment unit and a deep treatment unit which are used for sequentially treating waste water, an annular filter screen which is arranged in the waste water tank and used for intercepting chemical fiber and plastic films in the waste water, and a conveying mechanism which is arranged in the waste water tank and used for driving the annular filter screen to rotate and conveying impurities intercepted by the annular filter screen upwards; the air sweeping assembly comprises an air pipe and a plurality of exhaust grooves formed in the surface of the air pipe, the air sweeping assembly is in transmission connection with the conveying mechanism and used for directionally sweeping and rotating to the surface of the annular filter screen at the top to enable impurities to fall off, the porous filter belt is arranged below the annular filter screen, fiber grooves for adhering chemical fiber fibers are formed in the surface of the porous filter belt, a filter plate is obliquely arranged below the porous filter belt, and a collecting box is arranged below the lower end of the filter plate.

Inventors

  • YU JUN
  • QIAN WEI

Assignees

  • 泰州市鑫慈兰纺织科技有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The utility model provides a sewage treatment device based on chemical fiber cloth production, includes waste water tank (100) and carries out materialization processing unit, biochemical processing unit and the advanced treatment unit of handling waste water in proper order, its characterized in that still includes: The annular filter screen (102) is arranged in the waste water tank (100) and used for intercepting chemical fiber fibers and plastic films in the waste water; The conveying mechanism is arranged in the waste water tank (100) and used for driving the annular filter screen (102) to rotate and conveying the intercepted impurities upwards; The air sweeping assembly comprises an air pipe (205) and a plurality of exhaust grooves (206) formed in the surface of the air pipe (205); the air sweeping assembly is in transmission connection with the conveying mechanism, and is used for directionally sweeping and rotating to the surface of the annular filter screen (102) at the top so as to drop impurities; The porous filter belt (200) is arranged below the annular filter screen (102), a fiber groove (201) for adhering chemical fiber is formed in the surface of the porous filter belt (200), a filter plate (302) is obliquely arranged below the porous filter belt (200), and a collecting box (300) is arranged below the lower end of the filter plate (302); the collecting assembly comprises a barb plate (204) which is arranged above the porous filter belt (200) and can reciprocate, and a scraping plate (305) which is arranged in the collecting box (300) in a reciprocating manner, wherein the barb plate (204) and the scraping plate (305) are synchronously driven by a driving mechanism.
  2. 2. The sewage treatment device based on chemical fiber cloth production according to claim 1, wherein the conveying mechanism comprises belts (105) laid on two sides of the annular filter screen (102), guide rods (104) are arranged at two ends in the annular filter screen (102), a belt pulley (106) in transmission connection with the belts (105) is fixedly connected to the outer surface of the guide rods (104), and a first motor (103) for driving the guide rods (104) to rotate.
  3. 3. The chemical fiber cloth production-based sewage treatment device according to claim 2, wherein the air sweeping assembly further comprises a large gear (208) fixedly connected to one end of the guide rod (104), a small gear (209) meshed with the large gear (208) is fixedly connected to the outer surface of the air pipe (205), the air pipe (205) is rotatably arranged in the waste water tank (100), a fan blade (214) is fixedly connected to the outer surface of one end of the air pipe (205), an air inlet pipe (213) sleeved on the outer surface of the fan blade (214) is arranged in the air pipe (205), an air inlet groove (215) is formed in the air pipe (205), and air is sucked from the air inlet pipe (213) through the air inlet groove (215) when the fan blade (214) rotates.
  4. 4. The sewage treatment device based on chemical fiber cloth production according to claim 1, further comprising an accumulation assembly, wherein the accumulation assembly comprises a piston rod (210) arranged in an air pipe (205) and a spring (212) sleeved on the piston rod (210) for resetting the piston rod, an air leakage groove (211) is formed in the inner wall of the air pipe (205) at the end of the stroke of the piston end corresponding to the piston rod (210), and a notch sleeve (207) sleeved outside the air pipe (205) and provided with a notch is arranged, wherein the notch of the notch sleeve (207) faces towards the annular filter screen (102).
  5. 5. The sewage treatment device based on chemical fiber cloth production, as set forth in claim 1, wherein the driving mechanism comprises a second motor (308), a screw rod (307) driven to rotate by the second motor (308), and a bracket screw (309) screwed on the screw rod (307), the barb plate (204) and the scraper (305) are fixedly connected to a connecting plate (306), and the connecting plate (306) is fixedly connected with the bracket screw (309).
  6. 6. The chemical fiber cloth production-based sewage treatment device according to claim 5, wherein a spring rod (310) with a telescopic end connected with a filter plate (302) is fixedly connected in the wastewater tank (100), a pressing plate (312) capable of intermittently abutting against the filter plate (302) is arranged on one side of the bracket screw (309), the top of the pressing plate (312) is connected with the bracket screw (309) through a torsion spring rotating shaft (313), a supporting bead (314) is connected on one side of the pressing plate (312), a porous groove (311) is formed in the side wall of the collecting tank (300), and the supporting bead (314) is abutted into the porous groove (311) under the torsion action of the torsion spring rotating shaft (313).
  7. 7. The sewage treatment device based on chemical fiber cloth production according to claim 1, wherein a water return net (304) is further arranged in the collection box (300), the water return net (304) is located below the lower end of the filter plate (302) and is used for guiding separated wastewater back into the wastewater box (100), two ends of the collection box (300) are communicated with an impurity collection box (301), and a rotating plate (303) is rotatably connected between the collection box (300) and the impurity collection box (301).
  8. 8. The sewage treatment device based on chemical fiber cloth production according to claim 1, wherein the physical and chemical treatment unit comprises an adjusting tank (400), a coagulating sedimentation tank (401) and a pH adjusting tank (402), the biochemical treatment unit comprises an anaerobic tank (403), an aerobic tank (404) and a secondary sedimentation tank (405), and the advanced treatment unit comprises an advanced oxidation device (411), a multi-medium filter (412) and an activated carbon adsorption tower (413) which are sequentially communicated.
  9. 9. The sewage treatment device based on chemical fiber cloth production according to claim 8, wherein the regulating tank (400) is communicated with the wastewater tank (100) through a pipeline provided with a water conveying pump (410), a dosing tank (407) is communicated in the coagulating sedimentation tank (401), an acid-base tank (408) is communicated in the pH regulating tank (402), a pH detector is arranged in the pH regulating tank (402), and an aerator pipe (409) is arranged in the aerobic tank (404).
  10. 10. A sewage treatment method based on chemical fiber cloth production, adopting the sewage treatment equipment based on chemical fiber cloth production as claimed in any one of claims 1-9, characterized by comprising the following steps: s1, wastewater treatment, namely, wastewater enters a wastewater tank (100) and is sequentially treated by a physical and chemical treatment unit, a biochemical treatment unit and a deep treatment unit; s2, intercepting and conveying the fibers, namely intercepting chemical fiber and plastic films in the wastewater by the annular filter screen (102), and conveying the intercepted impurities upwards by a conveying mechanism; s3, pulse air sweeping slag removal, namely when the annular filter screen (102) rotates, pulse high-pressure air flow is generated through air sweeping summary, and the surface of the annular filter screen is directionally swept, so that the attached chemical fiber and plastic film fall off to the surface of a porous filter belt (200) below; S4, separating fibers from plastics, namely separating the fallen impurities on the surface of the porous filter belt (200), adhering chemical fiber into a fiber groove (201), and sliding the plastic film sheet to a filter plate (302) and finally entering a collecting box (300); s5, sorting and collecting materials, namely starting a collecting assembly to drive a barb plate (204) and a push plate (305) to be linked, scraping and collecting chemical fiber adhered in a fiber groove (201) by the barb plate (204), and pushing away a plastic film in a collecting box (300) by the push plate (305).

Description

Sewage treatment equipment and treatment method based on chemical fiber cloth production Technical Field The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment and a sewage treatment method based on chemical fiber cloth production. Background The waste water produced in the production process of chemical fiber cloth (such as terylene, chinlon, polypropylene fiber and the like) has complex components and usually contains residual monomers, oligomers, various dyes, auxiliary agents (such as oiling agents and leveling agents), and a large number of fine chemical fiber and plastic films produced by equipment friction and cutting procedures. The waste water has the characteristics of high COD (chemical oxygen demand), deep chromaticity, poor biodegradability, hard-degradation organic matters and the like, and if the waste water is directly discharged without proper treatment, serious pollution is caused to the water environment. The utility model provides a patent document of prior art bulletin number CN217077202U, this patent document discloses a chemical fiber production sewage integrated treatment device, relates to sewage treatment plant technical field, including the sewage agitator tank, one side surface of sewage agitator tank is provided with the outlet, the lower extreme surface of sewage agitator tank is provided with the support base, the upper end surface of sewage agitator tank is provided with sealed top cap No. one, the upper end surface of sealed top cap No. one is provided with agitator motor, agitator motor's one end is provided with the water pump, the upper end surface of water pump is provided with the outlet pipe, the front end of water pump is provided with the charge pipe, the opposite side surface of sewage agitator tank is provided with the storage water tank. This patent document a chemical fiber production sewage integrated treatment device, separate case and sieve be convenient for keep apart the impurity in the sewage in the one end that is close to the screen cloth, make things convenient for subsequent sewage treatment, solid-liquid separation case, movable baffle and fixed bolt, conveniently scrape out the inside with the impurity of solid-liquid separation incasement portion. Although the above-mentioned prior art can carry out preliminary filtration to solid impurity in the sewage through setting up the screen cloth, when handling chemical fiber waste water, the interceptor is the moist mixture of residual chemical fiber and other solid impurity (such as plastic film piece, colloid lump), and the two is easy winding, adhesion at the screen cloth surface, forms the hardening, and not only the clearance is difficult, leads to the follow-up high-efficient separation that is difficult to realize more. The chemical fiber which can be recycled as raw materials and useless impurities are treated as solid waste together, so that resources are wasted and the treatment cost is increased. Therefore, the application provides sewage treatment equipment and a sewage treatment method based on chemical fiber cloth production. Disclosure of Invention The invention aims to provide sewage treatment equipment and a sewage treatment method based on chemical fiber cloth production, so as to solve the problems in the background technology. In order to achieve the aim, the invention provides the technical scheme that the sewage treatment equipment based on chemical fiber cloth production comprises a waste water tank, a materialized treatment unit, a biochemical treatment unit and a deep treatment unit, wherein the materialized treatment unit, the biochemical treatment unit and the deep treatment unit are used for sequentially treating waste water, and the sewage treatment equipment further comprises: An annular filter screen arranged in the waste water tank for intercepting chemical fiber and plastic film in the waste water, The conveying mechanism is arranged in the waste water tank and used for driving the annular filter screen to rotate and conveying the intercepted impurities upwards; the air sweeping assembly comprises an air pipe and a plurality of exhaust grooves formed in the surface of the air pipe; the air sweeping assembly is in transmission connection with the conveying mechanism, and is used for directionally sweeping and rotating to the surface of the annular filter screen at the top so as to drop impurities; the porous filter belt is arranged below the annular filter screen, a fiber groove for adhering chemical fiber is formed in the surface of the porous filter belt, a filter plate is obliquely arranged below the porous filter belt, and a collecting box is arranged below the lower end of the filter plate; the collecting assembly comprises a barb plate which is arranged above the porous filter belt and can move back and forth, and a scraping plate which is arranged in the collecting box and can move back and forth, and the barb plat