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CN-122010352-A - Concentrated brine chromaticity reducing device combining multistage medium filtration and ultrafiltration

CN122010352ACN 122010352 ACN122010352 ACN 122010352ACN-122010352-A

Abstract

The invention belongs to the technical field of multi-stage treatment of sewage, in particular to a concentrated brine chromaticity reducing device combining multi-stage medium filtration and ultrafiltration, which comprises a filter tank and an ultrafiltration tank, wherein the filter tank is filled with filter media, the filter media remove impurities in the sewage through physical interception and adsorption to reduce chromaticity, and the device also comprises an adjusting component, a storage bin and a water tank, wherein the storage bin is arranged in the filter tank and is used for storing the filter media; the material pipe is arranged on the storage bin and is used for returning the filter media in the filter tank to the storage bin or conveying the filter media in the storage bin to the filter area of the filter tank so as to realize the adjustment of the thickness of the filter media in the filter tank, and the use amount of the filter media can be adjusted in real time according to the chromaticity of the inflow water and the concentration of pollutants through the dynamic adjustment of the thickness of the filter media so as to adapt to water fluctuation, thereby improving the adaptability of the device to complex production working conditions.

Inventors

  • LIU HANHONG
  • FENG LINMING
  • ZHAO QIANG
  • ZHAO JIEBIN
  • ZHAO HAITAO
  • LIU XINGZHONG
  • SONG WEI

Assignees

  • 河北纵横集团丰南钢铁有限公司

Dates

Publication Date
20260512
Application Date
20260327

Claims (10)

  1. 1. The utility model provides a strong brine chromaticity reduction device of multistage medium filtration combination ultrafiltration, includes filter tank (1) and ultrafiltration jar (2), filter medium is filled in filter tank (1), and filter medium gets rid of the impurity in the sewage through physical interception and adsorption and reduces the chromaticity, and is characterized in that, still includes adjusting part (3), adjusting part (3) include: A storage bin (31) arranged in the filter tank (1), wherein the storage bin (31) is used for storing filter media; and the material pipe (32) is arranged on the storage bin (31), and the material pipe (32) is used for returning the filter media in the filter tank (1) into the storage bin (31) or conveying the filter media in the storage bin (31) to the filter area of the filter tank (1) so as to realize the adjustment of the thickness of the filter media in the filter tank (1).
  2. 2. The multi-stage medium filtration and ultrafiltration combined strong brine chromaticity reducing device as set forth in claim 1, wherein a filter plate (4), a plurality of grating plates (5) and a water baffle (6) are arranged in the filter tank (1), the filter medium is positioned between the filter plate (4) and the water baffle (6), the grating plates are uniformly distributed between the filter plate (4) and the water baffle (6), and the grating plates (5) are used for separating the filter layers.
  3. 3. The multi-stage media filtration combined ultrafiltration strong brine chromaticity reducing device as recited in claim 1 wherein said conditioning assembly (3) further comprises: A circular plate (33) installed in the storage bin (31), wherein a filtering hole is formed in the circular plate (33); A screw conveying shaft (34) rotatably installed in the storage bin (31), the screw conveying shaft (34) penetrating through the circular plate (33); a first feeding hole (35) and a first discharging hole (36) which are formed in the material pipe (32); a column-carrying disc (37) rotatably mounted on the material pipe (32), wherein a second feeding hole (38) and a second discharging hole (39) which are consistent with the first feeding hole (35) and the first discharging hole (36) are formed in the column-carrying disc (37); the slip ring (310) is rotatably arranged on the storage bin (31), the slip ring (310) is communicated with the storage bin (31), and a third water outlet pipe (311) is connected to the slip ring (310).
  4. 4. The device for reducing chroma of strong brine by combining multi-stage medium filtration with ultrafiltration as set forth in claim 3, wherein the filter tanks (1) comprise a plurality of filter media, different filter media are respectively filled in the filter tanks (1), the filter tanks (1) are communicated with each other to form a step-by-step filter passage, the adjusting component (3) comprises a plurality of adjusting components, and the adjusting component (3) is correspondingly arranged with the filter tanks (1).
  5. 5. The multi-stage medium filtration combined ultrafiltration strong brine chromaticity reducing device according to claim 4, wherein a first water inlet pipe (7) is arranged on the lower side wall of the filtration tank (1), a first water outlet pipe (8) is arranged on the upper side wall of the filtration tank (1), the first water outlet pipe (8) is communicated with the adjacent first water inlet pipe (7) of the filtration tank (1), strong brine enters from the first water inlet pipe (7), after being filtered by the filtration medium, flows into the next filtration tank (1) from the first water outlet pipe (8), a second water inlet pipe (9) is arranged above the filtration tank (1), a second water outlet pipe (10) is arranged below the filtration tank, an air inlet pipe (11) is communicated with the first water inlet pipe (7), the third water outlet pipe (311) is communicated with the second water outlet pipe (10), the second water outlet pipe (9) and the air inlet pipe (11) are matched to realize the cleaning of the filtration medium in the filtration tank (1), a filter passage is arranged in the filtration tank (1), the two buffer passages (12) are respectively communicated with the two buffer tanks (12), and the two buffer tanks (12) are respectively used for detecting the pollution in the two buffer tanks (12).
  6. 6. The device for reducing chroma of strong brine by combining multi-stage medium filtration and ultrafiltration according to claim 3, wherein the circular plate (33) is connected with the storage bin (31) in an up-down sliding manner, a plurality of telescopic rods (312) are fixedly arranged on the storage bin (31), and the end parts of the telescopic rods (312) are fixedly connected with the circular plate (33).
  7. 7. The multi-stage media filtration and ultrafiltration combined brine chromaticity reducing device as recited in claim 6 wherein said conditioning assembly (3) further comprises a groove (313) formed in said cylindrical disk (37), said disk (33) having a protrusion inserted into said groove (313).
  8. 8. The multi-stage media filtration combined ultrafiltration strong brine chromaticity reducing device as recited in claim 5 wherein said conditioning assembly (3) further comprises: the connecting plate (314) is sleeved outside the storage bin (31), and the connecting plate (314) is rotationally connected with the storage bin (31); A plurality of connecting rods (315) which are vertically and slidably arranged on the filtering tank (1), wherein the connecting rods (315) are fixedly connected with the connecting plates (314), the connecting rods (315) penetrate through the filtering tank (1), and rubber rings for sealing are arranged at the connecting positions; and a threaded rod (316) arranged on the filter tank (1) is rotated, and the threaded rod (316) is in threaded connection with the connecting rod (315).
  9. 9. The multi-stage media filtration combined ultrafiltration strong brine chromaticity reducing device as recited in claim 8 wherein said conditioning assembly (3) further comprises: a first column (317) rotatably mounted on the filter tank (1), wherein a first chute (319) is formed in the first column (317); A second column (318) rotatably mounted on the filtering tank (1), a second chute (320) is formed in the second column (318), the second chute (320) is in a V shape, and the storage bin (31) is connected with the second column (318) in an up-down sliding manner; the vertical sliding installation is in straight board (321) in filtration jar (1), install quarter butt (322) on straight board (321) rotation, quarter butt (322) are simultaneously in spout (319) and No. two spouts (320) are interior to slide.
  10. 10. The multi-stage media filtration combined ultrafiltration strong brine chromaticity reducing device as recited in claim 9 wherein said conditioning assembly (3) further comprises: a main gear (323) fixedly mounted on the first column (317); a number one pinion (324) fixedly mounted on the threaded rod (316); And a second auxiliary gear (325) arranged on the filter tank (1) in a rotating way, wherein the main gear (323) drives the auxiliary gear to rotate through the second auxiliary gear (325).

Description

Concentrated brine chromaticity reducing device combining multistage medium filtration and ultrafiltration Technical Field The invention belongs to the field of multi-stage treatment of sewage, and particularly relates to a strong brine chromaticity reducing device combining multi-stage medium filtration and ultrafiltration. Background Aiming at the characteristics of complex components, poor biodegradability and dark brown of external drainage of strong brine in a coking plant, the strong brine chromaticity reducing device is used in the water treatment of the coking plant, and the device firstly filters and removes suspended particles in the water through multistage media, and then carries out ultrafiltration advanced treatment, so that the quality of the external water reaches the standard under the dual effects, the environmental pollution risk is obviously reduced, and the upgrading management of environmental protection and control is completed by a more power-assisted enterprise. One patent application with publication number of CN120647079A discloses a multi-stage multi-medium wastewater treatment filtering device and method, comprising a processing tank, wherein a plurality of groups of filtering tanks are arranged in the processing tank along the circumferential direction, each filtering tank consists of a fixed filtering tank, a movable filtering tank and a tank cover, a control rod is arranged in the middle of each filtering tank, a plurality of groups of filtering frames for filtering wastewater are arranged on the control rod at equal intervals, different types of filtering media are filled in the filtering frames, and impurities in the wastewater are removed through physical interception and adsorption of the filtering media. In the scheme, the total amount of the filter media is a fixed value, so that the strong fluctuation of the strong brine quality of a coking plant is difficult to adapt, the frequent fluctuation of the water inlet chromaticity and the pollutant concentration can be caused in production working conditions such as coal blending proportion adjustment, coking temperature change and the like, and further two core problems are caused, namely when the water inlet chromaticity is suddenly increased and the pollutant concentration is higher, the adsorption and interception capability of the filter media with fixed amount is insufficient, chromogenic substances cannot be effectively intercepted, the water outlet chromaticity after treatment is easily out of standard, the discharge or recycling requirement is difficult to meet, and when the water inlet chromaticity is reduced and the pollutant load is reduced, the excessive filter media can increase the water flow resistance, so that the water outlet rate is slowed down, the integral treatment efficiency of the device is reduced, and the local water flow short circuit is possibly caused by excessive accumulation of the filter media layer, so that the treatment stability is influenced. Therefore, the invention provides a strong brine chromaticity reducing device combining multistage medium filtration and ultrafiltration. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the concentrated brine chromaticity reducing device comprises a filter tank and an ultrafiltration tank, wherein the filter tank is filled with filter media, impurities in sewage are removed through physical interception and adsorption of the filter media, so that chromaticity is reduced, the device further comprises an adjusting component, the adjusting component comprises a storage bin and a material pipe, the storage bin is arranged in the filter tank and is used for storing the filter media, the material pipe is arranged on the storage bin and is used for returning the filter media in the filter tank to the storage bin or conveying the filter media in the storage bin to a filter area of the filter tank, and the thickness of the filter media in the filter tank is adjusted. Preferably, a filter plate, a plurality of grating plates and a water baffle are arranged in the filter tank, the filter medium is positioned between the filter plate and the water baffle, the gratings are uniformly distributed between the filter plate and the water baffle, and the grating plates are used for separating the filter layer. Preferably, the adjusting assembly further comprises a circular plate arranged in the storage bin, a spiral conveying shaft rotatably arranged in the storage bin and penetrating through the circular plate, a first feeding hole and a first discharging hole arranged on the material pipe, a column-carrying disc rotatably arranged on the material pipe and provided with a second feeding hole and a second discharging hole which are consistent with the first feeding hole and the first discharging hole, and a slip ring rotatably arra