CN-224212546-U - Sequencing batch integrated fluorine-containing wastewater treatment device

CN224212546UCN 224212546 UCN224212546 UCN 224212546UCN-224212546-U

Abstract

The utility model discloses a sequencing batch integrated fluorine-containing wastewater treatment device, which is characterized in that a stirrer, a spoiler, an aerator pipe, a manhole, a steel ladder, a top maintenance channel, a guardrail, a liquid level meter and a pH on-line monitoring system are arranged on a device body, a water inlet manual valve, a water inlet automatic valve and a fluorine ion on-line monitoring device are arranged on a water inlet pipe of the device, a water outlet manual valve and a water outlet automatic valve are arranged on a water outlet pipe of the device, a fluorine ion sampling pipeline and a fluorine ion on-line monitoring device are arranged at the middle end of the device, a sludge discharge pipeline is arranged at the bottom of the device, and a sludge discharge pump, a matched manual valve and an automatic valve are arranged on the device. The device is suitable for wastewater defluorination requirements of different fluorine concentration, eliminates a multi-stage series-connected mixing tank, a flocculation tank and a sedimentation tank in the traditional process, realizes the integration of coagulation, flocculation, sedimentation and pH adjustment, and has the advantages of convenient operation, small occupied area, high efficiency and great reduction of capital investment and running cost.

Inventors

WANG YUXUAN
CAO ZONGZHENG
ZHAO KANG
QIU LIXIANG
YANG JIANXIA
YE SIQI

Assignees

中冶赛迪工程技术股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (7)

1. The sequencing batch integrated fluorine-containing wastewater treatment device is characterized by comprising an integrated device body, wherein the upper part of the device body is cylindrical, and the lower part of the device body is funnel-shaped; The device body is internally provided with: the stirrer is used for mixing the wastewater with the medicament; The steel stirrer bracket is arranged at the lower end of the inner part of the device body and is used for supporting the stirrer; the aeration pipeline is arranged below the stirrer bracket and is used for promoting mixing and flocculation; The spoiler is arranged on the inner wall of the upper part of the device body and is used for improving the sedimentation efficiency and optimizing the water flow distribution; The device body is provided with: The liquid level meter is used for monitoring the water level; The pH on-line monitoring system is used for monitoring the pH value of the water body; The water inlet pipeline is provided with a water inlet manual valve, a water inlet automatic valve and a fluoride ion on-line monitoring device, and is used for introducing fluoride-containing wastewater; The lime solution dosing pipeline, the acid dosing pipeline, the PAM dosing pipeline, the defluorinating agent dosing pipeline and the PAC dosing pipeline are all arranged at the top of the device body and are used for adding treatment agents; the overflow pipeline is arranged on the side surface of the upper end of the device body and used for controlling the liquid level and discharging the redundant water body; The fluorine ion sampling pipeline is arranged on the side surface of the middle end of the device body, and is provided with a manual valve, an automatic valve and a fluorine ion on-line monitoring device for detecting the fluorine ion concentration of the water body; The water outlet pipeline is arranged on the side surface of the lower end of the device body, and is provided with a water outlet manual valve and a water outlet automatic valve and used for discharging the treated supernatant; The mud discharging pipeline is arranged at the bottom of the device body and is connected with a mud discharging pump for discharging mud.
2. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein the aeration pipeline comprises an aeration main pipe and an aeration branch pipe, a manual valve is arranged on the aeration main pipe, a manual valve and an automatic valve are arranged on the aeration branch pipe, and the aeration branch pipe is connected with the device body.
3. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein a sludge manual valve and a sludge automatic valve are arranged on the sludge discharge pipeline, a manual valve and a flexible connection are arranged on a sludge inlet pipeline of the sludge discharge pump, and a flexible connection, a check valve, an automatic valve and a pressure monitoring device are arranged on a sludge outlet pipeline of the sludge discharge pump.
4. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein the stirrer is provided with a plurality of layers of upward lifting blades for improving the mixing uniformity of the wastewater at the bottom and the medicament.
5. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein the water suction port of the water outlet pipeline is consistent with the cylindrical bottom end of the device body, so that bottom sludge is prevented from being sucked.
6. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein the sludge discharge pipeline has an arc in the device body and has a bending radius which is 5-8 times of the diameter of the pipeline so as to prevent sludge blockage.
7. The sequencing batch integrated fluorine-containing wastewater treatment device of claim 1, wherein the top of the device body is provided with an overhaul platform and a guardrail, and the side surface of the device body is provided with a steel crawling ladder and a manhole, so that the device is convenient to patrol and maintain.

Description

Sequencing batch integrated fluorine-containing wastewater treatment device Technical Field The utility model belongs to the technical field of wastewater treatment, and relates to a sequencing batch integrated fluorine-containing wastewater treatment device. Background In recent years, with the rapid development of industrial industries such as ferrous metallurgy, lithium ion batteries and the like, the discharge amount of fluorine-containing wastewater in the production process is in an increasing trend, and the national requirements on recycling and discharging of industrial enterprise wastewater are more and more strict, so that the standard treatment of the fluorine-containing wastewater cannot be ignored. The high-concentration fluoride ions in the water are removed in a common calcium salt and aluminum salt combined mode, the concentration of the residual fluoride ions in the water body after treatment is generally about 10mg/l, and because the discharge requirement on the fluoride-containing wastewater in part of areas is higher, the fluoride removal agent can be added to carry out deep fluoride removal on the high-fluoride wastewater after the conventional purification treatment, and the concentration of the fluoride ions in the water outlet can be reduced to 1mg/l. The main mechanism of defluorination of calcium salt and aluminum salt is coagulating sedimentation, the coagulating effect and mud-water separation are important links in the process, and the running condition of the coagulating sedimentation and the mud-water separation directly influences the quality of effluent water. In the prior art, as in the chinese patent with publication number CN209906413U, a coagulating sedimentation defluorination reaction device is disclosed, and the technical scheme uses the combined action of alkali liquor, acid liquor, calcium chloride and PAM to remove fluorine, and controls water inlet and water outlet through a liquid level meter, and a mud pump and a mud reflux pump are arranged to control mud discharge and reflux, so as to improve the utilization rate of calcium salt. However, the patent does not optimize the blade form of the stirrer, does not provide a spoiler, has the problems of poor flocculation and precipitation effects and the like, and is not suitable for deep defluorination in a way of only adding calcium salt. Therefore, in order to improve the coagulating sedimentation effect of the defluorination system, simultaneously meet the demand of a defluorination mechanism of the wastewater with small water quantity, and provide process selection capable of deeply defluorination, a sequencing batch integrated fluorine-containing wastewater treatment device needs to be designed. Disclosure of utility model In view of the above, the present utility model aims to solve the above problems, and provides a sequencing batch integrated fluorine-containing wastewater treatment device, which solves the problems of poor coagulation and precipitation effects, incapability of deep fluorine removal, incapability of adapting to a small-water wastewater system, etc. of a fluorine removal device in the prior art, and meanwhile, cancels a multi-stage series-connected mixing tank, a flocculation tank and a precipitation tank in the traditional process, realizes coagulation, flocculation, precipitation and pH adjustment integration, and has the advantages of convenient operation, small occupation of land, high efficiency, and substantial reduction of capital investment and running cost. In order to achieve the above purpose, the present utility model provides the following technical solutions: The sequencing batch integrated fluorine-containing wastewater treatment device comprises an integrated device body, wherein the upper part of the device body is cylindrical, and the lower part of the device body is funnel-shaped; The device body is internally provided with: the stirrer is used for mixing the wastewater with the medicament; The steel stirrer bracket is arranged at the lower end of the inner part of the device body and is used for supporting the stirrer; the aeration pipeline is arranged below the stirrer bracket and is used for promoting mixing and flocculation; The spoiler is arranged on the inner wall of the upper part of the device body and is used for improving the sedimentation efficiency and optimizing the water flow distribution; The device body is provided with: The liquid level meter is used for monitoring the water level; The pH on-line monitoring system is used for monitoring the pH value of the water body; The water inlet pipeline is provided with a water inlet manual valve, a water inlet automatic valve and a fluoride ion on-line monitoring device, and is used for introducing fluoride-containing wastewater; The lime solution dosing pipeline, the acid dosing pipeline, the PAM dosing pipeline, the defluorinating agent dosing pipeline and the PAC dosing pipeline are all arranged at the top of the de