CN-121990719-A - Traditional chinese medicine draws waste water innocent treatment device

CN121990719ACN 121990719 ACN121990719 ACN 121990719ACN-121990719-A

Abstract

The application relates to a traditional Chinese medicine extraction wastewater harmless treatment device which comprises a water collecting tank, a flocculation sedimentation tank, a pre-acidification adjusting tank, a UASB tank, a biological contact oxidation tank, a secondary sedimentation tank, a biological aerated filter and a clean water tank which are sequentially communicated, wherein a grid machine is arranged at a water inlet end of the water collecting tank, a flocculation box is arranged on the flocculation sedimentation tank, a flocculating agent is contained in the flocculation box, an adjusting box is arranged on the pre-acidification adjusting tank, hydrolysis acidification bacteria are contained in the adjusting box, the treatment device further comprises a sludge concentrating tank, the sludge concentrating tank is communicated with the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank so as to collect sludge in the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank, and the sludge concentrating tank is communicated with a water inlet end of the water collecting tank so as to enable supernatant in the sludge concentrating tank to enter the water collecting tank.

Inventors

TANG PENG
ZHAO JINZHONG
ZHANG ZHISHUAI
GUO DONGDONG
LIANG JIANPING
MA LIANG
YU CHAN
TIAN HUIXIN

Assignees

三门峡市瑞之恒药业有限公司

Dates

Publication Date: 20260508
Application Date: 20260304

Claims (9)

1. A traditional Chinese medicine extraction wastewater harmless treatment device is characterized by comprising a water collecting tank, a flocculation sedimentation tank, a pre-acidification adjusting tank, a UASB tank, a biological contact oxidation tank, a secondary sedimentation tank, an aeration biological filter tank and a clean water tank which are sequentially communicated; The water inlet end of the water collecting tank is provided with a grid machine, the flocculation sedimentation tank is provided with a flocculation box, a flocculating agent is contained in the flocculation box, the pre-acidification adjusting tank is provided with an adjusting box, and hydrolytic acidification bacteria are contained in the adjusting box; The treatment device further comprises a sludge concentration tank, wherein the sludge concentration tank is communicated with the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank so as to collect sludge in the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank, and the sludge concentration tank is communicated with the water inlet end of the water collecting tank so as to enable supernatant in the sludge concentration tank to enter the water collecting tank.
2. The apparatus for innocent treatment of chinese medicine extraction wastewater according to claim 1, wherein the apparatus further comprises: The softening sedimentation tank is positioned between the water collecting tank and the flocculation sedimentation tank, is communicated with the water collecting tank and the flocculation sedimentation tank, and is communicated with the sludge concentration tank; The pH callback pond is used for adjusting the pH value of the medicine residue filtrate to 7.0+/-0.2, the pH callback pond is positioned between the UASB pond and the pre-acidification adjustment pond, and the pH callback pond is communicated with the pre-acidification adjustment pond and the UASB pond.
3. The apparatus for innocent treatment of Chinese medicine extraction wastewater according to claim 2, wherein the softening and sedimentation tank comprises: the mixing area is communicated with the water outlet end of the water collecting tank, a feeding box is arranged on the mixing area, and alkaline substances are contained in the feeding box; The flocculation zone is communicated with the mixing zone, a feeding box is arranged on the flocculation zone, and a flocculant is contained in the feeding box; and the separation area is used for removing flocs and is communicated with the flocculation area and the flocculation sedimentation tank.
4. A device for innocent treatment of Chinese medicinal extraction wastewater according to claim 3, wherein the separation zone adopts a dissolved air flotation machine (1), and the dissolved air flotation machine (1) comprises: the air floatation tank (112) is communicated with the flocculation area, an air floatation base (14) is arranged at the bottom of the air floatation tank (112), and a drain pipe is communicated with the air floatation tank (112); a scum collection tank (113) which is communicated with the floatation tank (112); a scraper (12) connected with the side wall of the floatation tank (112), wherein the scraper (12) can move along the direction approaching or separating from the scum collecting tank (113); the slag removing plate (13) is connected with the side wall of the slag collecting tank (113) and is in contact with the scraping plate (12); The side wall of the air floatation tank (112) is provided with a transmission component (2) for driving the scraping plate (12) to move.
5. The innocent treatment device for extracting waste water from traditional Chinese medicine according to claim 4, wherein two groups of transmission components (2) are arranged, two groups of transmission components (2) are respectively arranged on two sides of a scraping plate (12), and the transmission components (2) all comprise: The two driving pulleys (21) are arranged, the two driving pulleys (21) are both rotationally connected with the side wall of the air floatation tank (112), and the two driving pulleys (21) are respectively arranged at two ends of the air floatation tank (112); The driving belt pulley (22) is rotationally connected with the side wall of the scum collecting tank (113), and the driving belt pulley (22) is positioned at one side of the plane where the two driving belt pulleys (21) are positioned, which is away from the horizontal plane of the air floatation tank (112); the transmission belt (23) is sleeved outside the driving belt pulley (21) and the transmission belt pulley (22), and two sides of the scraping plate (12) are connected with the transmission belt (23) at the corresponding side through the connecting plate (3); and the transmission motor (24) is fixedly connected with the outer wall of the air floatation tank (112), and an output shaft of the transmission motor (24) is coaxially and fixedly connected with one of the driving belt pulleys (21).
6. The apparatus for innocent treatment of chinese medicine extraction wastewater according to claim 5, wherein the connection plate (3) comprises: The connecting sub-board (31) is fixedly connected with the scraping plate (12); The conflict daughter board (32) is rotationally connected with the connection daughter board (31), and the conflict daughter board (32) is rotationally connected with the transmission belt (23); The connecting spring (33) is used for connecting the connecting sub-board (31) and the abutting sub-board (32), and the abutting sub-board (32) and the connecting sub-board (31) are arranged at an included angle under the elastic force of the connecting spring (33).
7. The harmless treatment device for the traditional Chinese medicine extraction wastewater according to claim 4, wherein the slag removal plate (13) moves along a direction approaching to or separating from the side wall of the floating pond (112) from the slag collection pond (113), and a moving assembly (4) for driving the slag removal plate (13) to move back and forth is arranged on the side wall of the slag collection pond (113).
8. The apparatus for innocuous treatment of Chinese medicine extraction wastewater according to claim 3, wherein the flocculation sedimentation tank uses polymeric ferric sulfate as flocculant.
9. The apparatus of claim 1, wherein the flocculation zone uses cationic PAM aqueous solution as flocculant.

Description

Traditional chinese medicine draws waste water innocent treatment device Technical Field The application relates to the technical field of traditional Chinese medicine production, in particular to a traditional Chinese medicine extraction wastewater harmless treatment device. Background The waste water generated in the extraction of the traditional Chinese medicine mainly comes from medicinal material cleaning, equipment cleaning, tank washing waste water, alkaline water boiling and soaking liquid and the like. The waste water produced in the traditional Chinese medicine extraction is firstly subjected to mechanical grating to remove large-particle suspended solids and floaters in dreg filtrate, then flows into a water collecting tank, water quality and water quantity are regulated, deposition can be prevented through simple pre-aeration, water discharged from the water collecting tank enters a flocculation sedimentation tank, acid is added to regulate the pH value of the water, the normal operation of a subsequent system is ensured, flocculating sedimentation is carried out by adding flocculating agent, partial organic matters, biological toxic matters and chromaticity are removed, water discharged from the flocculation sedimentation tank enters a UASB reactor, an umbrella-shaped water distribution device is adopted by the reactor to prevent the blockage of the water distributor, uniform distribution of the waste water is ensured, most organic matters are degraded to generate CH 4 and CO 2 through four stages of hydrolysis, acidification, acid production and methane production, UASB water enters a biological contact oxidation tank, under the action of aeration of a blower, soluble organic pollutants in the waste water are adsorbed by activated sludge and decomposed by microorganism groups on the activated sludge, the waste water is purified, and the water is discharged from the secondary sedimentation tank is separated. The residual sludge is discharged into a sludge concentration tank, part of the sludge is returned to an aerobic tank, the effluent of the secondary sedimentation tank enters a micro-flocculation sedimentation tank, the concentration of organic matters and suspended matters in the effluent is further reduced through flocculation sedimentation, the effluent of the flocculation sedimentation tank enters an aeration biological filter, the organic matters are further removed through biochemical treatment and filtration, and the effluent reaches the standard after entering a clean water tank and is discharged. The filtrate of the Chinese medicine dregs contains a large amount of lignin, cellulose, pectin and some alkaloid substances, and the macromolecular substances enter the UASB pool to easily influence the sedimentation performance of the sludge and influence the treatment effect of the UASB pool. Disclosure of Invention The application provides a harmless treatment device for Chinese medicine extraction wastewater, which aims to solve the problems that a large amount of lignin, cellulose, pectin and some alkaloid substances in Chinese medicine residue filtrate are not easy to influence the sedimentation performance of sludge and influence the treatment effect of a UASB pool. The application provides a traditional Chinese medicine extraction wastewater harmless treatment device, which adopts the following technical scheme: A Chinese medicinal extraction wastewater harmless treatment device comprises a water collecting tank, a flocculation sedimentation tank, a pre-acidification adjusting tank, a UASB tank, a biological contact oxidation tank, a secondary sedimentation tank, an aeration biological filter tank and a clean water tank which are sequentially communicated; The water inlet end of the water collecting tank is provided with a grid machine, the flocculation sedimentation tank is provided with a flocculation box, a flocculating agent is contained in the flocculation box, the pre-acidification adjusting tank is provided with an adjusting box, and hydrolytic acidification bacteria are contained in the adjusting box; The treatment device further comprises a sludge concentration tank, wherein the sludge concentration tank is communicated with the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank so as to collect sludge in the UASB tank, the flocculation sedimentation tank and the secondary sedimentation tank, and the sludge concentration tank is communicated with the water inlet end of the water collecting tank so as to enable supernatant in the sludge concentration tank to enter the water collecting tank. Still further, the processing apparatus further includes: The softening sedimentation tank is positioned between the water collecting tank and the flocculation sedimentation tank, is communicated with the water collecting tank and the flocculation sedimentation tank, and is communicated with the sludge concentration tank; The pH callback pond is used for