CN117682578A - Industrial wastewater treatment device for adsorption dephenolization treatment - Google Patents
Industrial wastewater treatment device for adsorption dephenolization treatment Download PDFInfo
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- CN117682578A CN117682578A CN202311837079.9A CN202311837079A CN117682578A CN 117682578 A CN117682578 A CN 117682578A CN 202311837079 A CN202311837079 A CN 202311837079A CN 117682578 A CN117682578 A CN 117682578A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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Abstract
本公开涉及一种用于吸附脱酚处理的工业废水处理装置，包括反应釜、和设在反应釜内的过滤结构，过滤结构将反应釜分为吸附腔和再生腔。吸附腔顶部设有进水管和第一进料管，以对酚类污染物进行吸附处理产生脱酚水和含酚颗粒，吸附腔底部设有出水管，吸附腔内设有检测器和第一搅拌结构，控制器在检测器检测的浓度小于预设值时控制脱酚水从出水管排出；控制器脱酚水排完后，控制过滤结构打开使吸附饱和的含酚颗粒进入再生腔内；再生腔顶部设有第二进料管，以对含酚颗粒进行再生处理生成吸附剂颗粒和含酚废液，再生腔底部设有收集结构，控制器控制收集结构工作将含酚废液收集，提升了对酚类污染物的去除效果，且去除后的酚类物质可以收集再利用。
The present disclosure relates to an industrial wastewater treatment device for adsorption and dephenolization treatment, which includes a reaction kettle and a filtering structure located in the reaction kettle. The filtering structure divides the reaction kettle into an adsorption chamber and a regeneration chamber. A water inlet pipe and a first feed pipe are provided at the top of the adsorption chamber to adsorb phenolic pollutants to produce dephenolized water and phenol-containing particles. A water outlet pipe is provided at the bottom of the adsorption chamber. A detector and a first feed pipe are provided in the adsorption chamber. In the stirring structure, the controller controls the dephenolization water to be discharged from the outlet pipe when the concentration detected by the detector is less than the preset value; after the dephenolization water is discharged, the controller controls the filtering structure to open so that the adsorbed saturated phenol-containing particles enter the regeneration chamber; There is a second feed pipe at the top of the regeneration chamber to regenerate the phenol-containing particles to generate adsorbent particles and phenol-containing waste liquid. There is a collection structure at the bottom of the regeneration chamber. The controller controls the collection structure to collect the phenol-containing waste liquid. The removal effect of phenolic pollutants is improved, and the removed phenolic substances can be collected and reused.
Description
Technical Field
The disclosure relates to the technical field of sewage treatment, and in particular relates to an industrial wastewater treatment device for adsorption dephenolization treatment.
Background
In industrial production processes, such as semi-coke production processes, a large amount of wastewater is generated, and a large amount of phenol pollutants, such as phenol, cresol, aminophenol, naphthol and the like, are contained, and have adverse characteristics of toxicity, odor, chromaticity and the like, so that the direct discharge can have a great influence on the environment. Thus, the treatment of phenolic contaminants has been a challenge in the field of industrial wastewater treatment.
Prior to discharge, treatment equipment is typically employed to treat phenolic contaminants in industrial wastewater. For example, chinese patent application publication No. CN114162956a discloses a device for treating chlorophenol pollutants by photoelectrically cooperated hydrogen peroxide and application thereof, which comprises a semiconductor photo-anode for generating photo-generated holes under the action of light to oxidize and degrade chlorophenol pollutants; the catalytic cathode is electrically connected with the semiconductor photo-anode and is used for receiving photoelectrons generated by the semiconductor photo-anode, reducing dissolved oxygen in the electrolyte into hydrogen peroxide, and the catalytic cathode is loaded with peroxidase which can catalyze the hydrogen peroxide to degrade chlorophenol pollutants; an electrolytic cell for loading a semiconductor photo-anode, a catalytic cathode and an electrolyte; the power supply is used for driving photoelectrons generated by the semiconductor photo-anode to flow to the catalytic cathode; a light source for providing illumination.
However, the treatment equipment in the prior art has poor effect of removing phenolic pollutants, and the removed phenolic substances are directly discharged, so that resource waste is caused.
Disclosure of Invention
To solve or at least partially solve the above technical problems, the present disclosure provides an industrial wastewater treatment apparatus for adsorptive dephenolization treatment.
The disclosure provides an industrial wastewater treatment device for adsorption dephenolization treatment, which comprises a reaction kettle, a controller, a filtering structure, a first stirring structure, a second stirring structure, a collecting structure and a detector, wherein the filtering structure, the first stirring structure, the second stirring structure, the collecting structure and the detector are electrically connected with the controller;
the filtering structure is arranged in the reaction kettle in a sealing way, the inner cavity of the reaction kettle is divided into an adsorption cavity and a regeneration cavity, the adsorption cavity is positioned above the regeneration cavity, the first stirring structure is arranged in the adsorption cavity, and the second stirring structure is arranged in the regeneration cavity;
the top of the adsorption cavity is provided with a water inlet pipe for injecting industrial wastewater and a first feed pipe for injecting an adsorbent into the adsorption cavity, so that the adsorption cavity and the industrial wastewater react in the adsorption cavity, phenolic pollutants in the industrial wastewater are adsorbed, and dephenolized water and phenolic particles are generated; the bottom of the adsorption cavity is provided with a water outlet pipe, the water outlet pipe is positioned below the first stirring structure and is close to the filtering structure, the detector is arranged in the adsorption cavity and used for detecting the concentration of the dephenolized water in the adsorption cavity, and the controller is used for controlling the first stirring structure to stop working and controlling the dephenolized water to be discharged from the water outlet pipe when the concentration detected by the detector is smaller than a preset value; the controller is also used for controlling the filter structure to be opened after the dephenolized water in the adsorption cavity is discharged so as to enable the phenol-containing particles to enter the regeneration cavity;
the top of regeneration chamber is provided with and is used for to pour into the second inlet pipe of regenerant into in the regeneration chamber, in order to right contain phenol granule carries out regeneration treatment, produces dephenolized adsorbent granule and contains phenol waste liquid, collection structure with the bottom intercommunication of regeneration chamber is used for collecting contain phenol waste liquid, collection structure with the junction of regeneration chamber is provided with and is used for filtering the filter element of adsorbent granule, the controller is used for after the regenerant gets into the regeneration intracavity presets time, control collection structure work, so that contain phenol waste liquid discharge to in the collection structure.
Optionally, the industrial wastewater treatment device for adsorption dephenolization treatment further comprises a first driver and a storage tank for storing the adsorbent;
the one end of first inlet pipe keep away from adsorb the chamber with the inner chamber intercommunication of holding vessel, first driver sets up on the first inlet pipe, and with controller electric connection, first driver is used for with adsorbent in the holding vessel is carried to adsorb the intracavity.
Optionally, the industrial wastewater treatment device for adsorption dephenolization treatment further comprises a recovery structure;
the recovery structure is electrically connected with the controller and communicated with the bottom of the regeneration cavity, and is used for recovering the adsorbent particles in the regeneration cavity.
Optionally, the recovery structure includes a return tube and a second driver disposed on the return tube;
one end of the return pipe is communicated with the bottom of the regeneration cavity, the other end of the return pipe is communicated with the storage tank, and the second driver is electrically connected with the controller and is used for conveying the adsorbent particles in the regeneration cavity into the storage tank.
Optionally, the recovery structure further comprises a conveyor and a first control valve arranged on the return pipe;
the conveyor and the first control valve are electrically connected with the controller, and in the direction along the regeneration cavity and the second driver, the conveyor and the first control valve are sequentially arranged between the regeneration cavity and the second driver.
Optionally, the collecting structure comprises a liquid discharge pipe and a second control valve electrically connected with the controller;
the liquid discharge pipe is connected to the bottom of the regeneration cavity, the second control valve is arranged on the liquid discharge pipe, and the filter element is arranged at the joint of the liquid discharge pipe and the regeneration cavity.
Optionally, the filter element includes a filter screen, and the filter screen is disposed in the inlet of the drain pipe.
Optionally, the first stirring structure comprises a first stirring rod and a plurality of first stirring blades;
the first stirring rod is rotationally connected to the top of the adsorption cavity and extends in the direction from the water inlet pipe to the filtering structure, part of the first stirring blades are arranged at intervals along the circumferential direction of the first stirring rod, and part of the first stirring blades are arranged at intervals along the axial direction of the first stirring rod;
the first stirring rod is vertically arranged in the adsorption cavity.
Optionally, the second stirring structure comprises a second stirring rod and a plurality of second stirring blades;
the second stirring rods are arranged in parallel with the filtering structure, two ends of the second stirring rods are respectively connected to the cavity wall of the regeneration cavity in a rotating mode, and a plurality of second stirring blades are spirally and alternately arranged along the axial direction of the second stirring rods;
the rotation axis of the second stirring rod is perpendicular to the rotation axis of the first stirring structure.
Optionally, the second stirring structure is located right below the filtering structure, and the projection of the filtering structure on the bottom wall of the regeneration cavity is located in the projection area of the second stirring structure on the bottom wall of the regeneration cavity;
the filter structure comprises a filter plate and a plurality of openable filter holes, wherein the filter plate is arranged in the reaction kettle along the horizontal direction, the outer wall of the filter plate is in sealing connection with the inner wall of the reaction kettle, and a plurality of filter holes are arranged on the filter plate at intervals.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the utility model provides an industrial wastewater treatment device for adsorbing dephenolization handles through seal setting up filtration in reation kettle, makes filtration divide into adsorption cavity and regeneration chamber with reation kettle's inner chamber, and the adsorption cavity is located the top in regeneration chamber, with first stirring structure setting in adsorption cavity, with second stirring structure setting in regeneration cavity. The top of the adsorption cavity is provided with a water inlet pipe for injecting industrial wastewater and a first feed pipe for injecting adsorbent into the adsorption cavity, so that the adsorbent and the industrial wastewater react in the adsorption cavity, phenolic pollutants in the industrial wastewater are adsorbed, and dephenolized water and phenolic particles are generated. The bottom in absorption chamber sets up the outlet pipe, makes the outlet pipe be located the below of first stirring structure and be close to filtration setting, is provided with the detector with controller electric connection in the absorption chamber, and the detector is used for detecting the concentration of the phenolic pollutant in the absorption chamber, and the controller is used for controlling first stirring structure stop work when the concentration that the detector detected is less than the default to the control dephenolized water is discharged from the outlet pipe. The controller is also used for controlling the opening of the filtering structure after the dephenolized water in the adsorption cavity is discharged so as to enable the phenol-containing particles saturated in adsorption to enter the regeneration cavity. The top of the regeneration cavity is provided with a second feeding pipe for injecting a regenerant into the regeneration cavity so as to regenerate phenol-containing particles entering the regeneration cavity and generate dephenolized adsorbent particles and phenol-containing waste liquid containing phenol pollutants, the bottom of the regeneration cavity is provided with a collecting structure for discharging the phenol-containing waste liquid, the joint of the collecting structure and the regeneration cavity is provided with a filtering piece for filtering the adsorbent particles, and the controller is used for controlling the collecting structure to work after the regenerant enters the regeneration cavity for a preset time so as to intensively discharge the phenol-containing waste liquid through discharging. When the phenol-containing wastewater treatment device is specifically used, industrial wastewater to be treated and an adsorbent are injected into an adsorption cavity, and the industrial wastewater and the adsorbent are subjected to adsorption reaction in a reaction kettle to generate phenol-removing water and phenol-containing particles adsorbed with phenol pollutants. The adsorbent has higher adsorption capacity and rate, and the adsorption effect is stable and reliable, so that the removal effect and removal efficiency of phenolic pollutants are improved. When the concentration of the dephenolized water detected by the detector is smaller than a preset value, the controller controls the water outlet pipe to work so as to discharge the dephenolized water. When the dephenolized water is basically discharged, the controller controls the filter structure to be opened, so that the phenol-containing particles enter the regeneration cavity below under the action of gravity. And a regenerant is injected into the regeneration cavity, and the regenerant and the phenol-containing particles are subjected to a regeneration reaction to generate adsorbent particles and phenol-containing waste liquid, so that the adsorbent can be regenerated for recycling, and the treatment cost of industrial wastewater is saved to a certain extent. The controller controls the collection structure to work after the preset time, so that the phenol-containing waste liquid in the regeneration cavity is discharged and collected in the collection structure, the subsequent extraction of phenol-containing substances is convenient to recycle, and the resource utilization rate is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of an industrial wastewater treatment apparatus for adsorptive dephenolization process according to an embodiment of the present disclosure;
fig. 2 is an enlarged view of a portion a in fig. 1;
fig. 3 is a schematic structural view of a filtering structure according to an embodiment of the present disclosure.
Wherein, 1, a reaction kettle; 11. an adsorption chamber; 12. a regeneration chamber; 2. a filtering structure; 21. a filter plate; 22. a filter hole; 3. a first stirring structure; 31. a first stirring rod; 32. a first stirring blade; 4. a second stirring structure; 41. a second stirring rod; 42. a second stirring blade; 51. a water inlet pipe; 52. a first feed tube; 53. a water outlet pipe; 54. a second feed tube; 6. a collection structure; 61. a liquid discharge pipe; 62. a second control valve; 7. a filter; 81. a first driver; 82. a storage tank; 91. a return pipe; 92. a second driver; 93. a conveyor; 94. a first control valve.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
Referring to fig. 1 to 3, the present embodiment provides an industrial wastewater treatment apparatus for adsorption dephenolization treatment (hereinafter referred to as an industrial wastewater treatment apparatus), which includes a reaction vessel 1, a controller (not shown), and a filter structure 2, a first stirring structure 3, and a second stirring structure 4 electrically connected to the controller.
The controller may be, for example, a controller of the industrial wastewater treatment apparatus itself, and of course, the controller may be an external controller independent of the industrial wastewater treatment apparatus.
Specifically, referring to fig. 1, the filtering structure 2 is hermetically disposed in the reaction kettle 1, and divides the inner cavity of the reaction kettle 1 into an adsorption cavity 11 and a regeneration cavity 12, wherein the adsorption cavity 11 is located above the regeneration cavity 12.
In a specific implementation, the filtering structure 2 may be disposed in a middle part of the reaction kettle 1 in a height direction, and an outer wall of the filtering structure 2 may be connected with an inner wall of the reaction kettle 1 in a sealing manner, so as to divide an inner cavity of the reaction kettle 1 into an adsorption cavity 11 located above and a regeneration cavity 12 located below.
The outer wall of the filter structure 2 may be bonded to the inner wall of the reaction kettle 1, for example, and of course, the outer wall of the filter structure 2 may also be welded to the inner wall of the reaction kettle 1.
Specifically, referring to fig. 1, a water inlet pipe 51 and a first water inlet pipe 52 are arranged at the top of the adsorption cavity 11, the water inlet pipe 51 is used for injecting industrial wastewater to be treated into the adsorption cavity 11, the first water inlet pipe 52 is used for injecting an adsorbent into the adsorption cavity 11 so as to perform adsorption treatment on phenolic pollutants in the industrial wastewater in the adsorption cavity 11, to generate dephenolized water and phenolic particles adsorbed with the phenolic pollutants, the first stirring structure 3 is arranged in the adsorption cavity 11, a water outlet pipe 53 is arranged at the bottom of the adsorption cavity 11 and is positioned below the stirring structure and close to the filtering structure 2, a detector electrically connected with a controller is arranged in the adsorption cavity 11, the detector is used for detecting the concentration of the phenolic pollutants in the adsorption cavity 11, namely, the detector is used for detecting the concentration of the phenolic pollutants in the dephenolized water in the adsorption cavity 11, and the controller is used for controlling the first stirring structure 3 to stop working and controlling the dephenolized water to be discharged from the water outlet pipe 53 when the concentration detected by the detector is smaller than a preset value; the controller is also used for controlling the opening of the filter structure 2 after the dephenolized water in the adsorption cavity 11 is discharged, so that phenol-containing particles enter the regeneration cavity 12.
Industrial wastewater to be treated, such as semi-coke wastewater, is injected into the adsorption chamber 11 through the water inlet pipe 51, and adsorbent, such as resin, is injected into the adsorption chamber 11 through the first water inlet pipe 52, so that the industrial wastewater and the adsorbent undergo adsorption reaction in the adsorption chamber 11, and phenolic pollutants are continuously adsorbed by the adsorbent to form phenolic particles and dephenolized water. The adsorbent has higher adsorption capacity and rate, and stable and reliable adsorption effect, so that phenolic pollutants can be separated from industrial wastewater, the dephenolization treatment of the industrial wastewater is realized, the dephenolization efficiency is higher, and the treatment effect is better.
Set up first stirring structure 3 in adsorbing cavity 11, utilize first stirring structure 3 can carry out abundant stirring with adsorbent and the industrial waste water in the adsorbing cavity 11, make both abundant contacts for adsorption reaction speed, can make the adsorption efficiency better simultaneously to the removal effect of adsorbent to phenolic pollutant has been promoted.
In use, the concentration of phenolic contaminants within the adsorption chamber 11 may be detected by a detector disposed within the adsorption chamber 11. When the concentration of the phenolic contaminants is less than the preset value, i.e., the emission standard is reached, the first stirring structure 3 is stopped by the controller, and the water outlet pipe 53 is opened by the controller, so that the dephenolized water reaching the emission standard is discharged from the water outlet pipe 53. When the dephenolized water in the adsorption cavity 11 is almost discharged, the controller controls the filter structure 2 to be opened, so that phenol-containing particles in the adsorption cavity 11 enter the regeneration cavity 12 under the action of gravity, and separation and diversion of phenol pollutants from industrial wastewater are realized.
In some implementations, for example, a sensor electrically connected to the controller may be disposed in the adsorption chamber 11, and the sensor is used to detect the liquid level in the adsorption chamber 11. When the liquid level collected by the sensor is lower than the preset level, namely the dephenolized water in the adsorption cavity 11 is discharged, the controller controls the filter structure 2 to be opened, so that phenol-containing particles in the adsorption cavity 11 enter the regeneration cavity 12.
In other implementations, the controller may, for example, automatically turn on after the industrial wastewater treatment device is operated for a preset period of time. The sum of the adsorption reaction time of the industrial wastewater and the adsorbent in the adsorption chamber 11 and the water discharge time of the dephenolized water is smaller than the preset time period.
Referring to fig. 1 and 2, a second feeding pipe 54 is disposed at the top of the regeneration chamber 12, the second feeding pipe 54 is used for injecting a regeneration agent into the regeneration chamber 12 to perform regeneration treatment on phenol-containing particles entering into the regeneration chamber 12 to generate adsorbent particles and phenol-containing waste liquid containing phenol pollutants, a collecting structure 6 for discharging the phenol-containing waste liquid is disposed at the bottom of the regeneration chamber 12, a filter member 7 for filtering the adsorbent particles is disposed at the junction of the collecting structure 6 and the regeneration chamber 12, a second stirring structure 4 is disposed in the regeneration chamber 12 and above the collecting structure 6, and a controller is used for controlling the collecting structure 6 to operate to discharge the phenol-containing waste liquid after the regeneration agent enters into the regeneration chamber 12 for a preset time.
The regenerant and phenol-containing particles entering the regeneration cavity 12 undergo a regeneration reaction, so that the phenol-containing particles are dephenolized to form adsorbent particles, and phenol substances and the regenerant form phenol-containing waste liquid, namely, the regenerant carries out dephenolization treatment on the phenol-containing particles to form adsorbent particles and phenol-containing waste liquid, on one hand, the regeneration of the adsorbent is realized, the regenerated adsorbent particles are convenient to recycle and reuse, and the use cost of the adsorbent is reduced. On the other hand, the collecting structure 6 discharges the phenol-containing waste liquid, so that phenol substances are conveniently extracted from the phenol-containing waste liquid, the phenol substances are conveniently recycled, and the resource recycling is realized.
Through being provided with filter 7 at the junction that collects structure 6 and regeneration chamber 12 promptly, the department of intercommunication, when containing phenol waste liquid discharges like this, filter 7 can filter the adsorbent granule, makes it stay in regeneration chamber 12, has avoided the loss of adsorbent granule, the follow-up collection of the adsorbent granule of being convenient for is recycled.
By arranging the second stirring structure 4 in the regeneration cavity 12, the regeneration agent and the phenol-containing particles in the regeneration cavity 12 can be sufficiently stirred by the second stirring structure 4, so that the regeneration agent and the phenol-containing particles are sufficiently contacted, the regeneration reaction speed is increased, and the regeneration effect of the phenol-containing particles is better.
After the regenerant enters the regeneration cavity 12 for a preset time, the controller starts the collecting structure 6 to work so as to discharge the phenol-containing waste liquid, wherein the preset time is the time when the regenerant and the phenol-containing particles are subjected to sufficient regeneration treatment. It should be noted that the preset time is related to the nature of the regenerant, such as concentration, and the nature of the phenol-containing particles, such as amount and saturation level, and is not limited thereto.
In summary, in a specific use, the industrial wastewater to be treated and the adsorbent such as resin enter the adsorption chamber 11, and an adsorption reaction occurs in the adsorption chamber 11, so as to generate dephenolized water and phenol-containing particles adsorbed with phenol pollutants. When the concentration detected by the detector is less than the preset value, the controller controls the water outlet pipe 53 to operate so as to discharge the dephenolized water. When the dephenolized water is substantially discharged, the controller controls the filter structure 2 to be opened, and the phenol-containing particles enter the regeneration cavity 12 below under the action of gravity. And (3) injecting a regenerant into the regeneration cavity 12, and performing a regeneration reaction on the regenerant and the phenol-containing particles to generate adsorbent particles and phenol-containing waste liquid. After a preset time, the controller controls the collecting structure 6 to work so as to discharge the phenol-containing waste liquid, thereby filtering and collecting the adsorbent particles in the regeneration cavity 12, realizing effective separation and diversion of the phenol pollutants from the industrial waste water, and facilitating pollution-free collection of the phenol so as to be reused. Meanwhile, the phenol-containing particles are dephenolized and regenerated into the adsorbent particles, so that the adsorbent particles are convenient to recycle and reuse, and the use cost of the adsorbent is reduced to a certain extent under the condition that the volume and the pollution degree of industrial wastewater are the same.
The industrial wastewater treatment device for adsorption dephenolization treatment provided by the embodiment is characterized in that the filter structure 2 is arranged in the reaction kettle 1 in a sealing manner, the inner cavity of the reaction kettle 1 is divided into the adsorption cavity 11 and the regeneration cavity 12 by the filter structure 2, the adsorption cavity 11 is positioned above the regeneration cavity 12, the first stirring structure 3 is arranged in the adsorption cavity 11, and the second stirring structure 4 is arranged in the regeneration cavity 12. The top of the adsorption cavity 11 is provided with a water inlet pipe 51 and a first feed pipe 52, and the first feed pipe 52 is used for injecting an adsorbent into the adsorption cavity 11 so as to perform adsorption treatment on phenolic pollutants in industrial wastewater in the adsorption cavity 11, so as to generate dephenolized water and phenolic particles adsorbed with the phenolic pollutants. The bottom of the adsorption cavity 11 is provided with the water outlet pipe 53, the water outlet pipe 53 is positioned below the first stirring structure 3 and is close to the filtering structure 2, a detector electrically connected with a controller is arranged in the adsorption cavity 11 and used for detecting the concentration of phenolic pollutants in the adsorption cavity 11, and the controller is used for controlling the first stirring structure 3 to stop working and controlling the dephenolized water to be discharged from the water outlet pipe 53 when the concentration detected by the detector is smaller than a preset value. The controller is also used for controlling the opening of the filter structure 2 to enable phenol-containing particles to enter the regeneration chamber 12 after the dephenolized water in the adsorption chamber 11 is discharged. The top of regeneration chamber 12 is provided with second inlet pipe 54, and second inlet pipe 54 is arranged in to the injection regeneration agent in to regeneration chamber 12 to carry out regeneration treatment to the phenol-containing granule that gets into in regeneration chamber 12, produces adsorbent granule and contains phenol waste liquid that contains phenol pollutant, regeneration chamber 12's bottom is provided with the collection structure 6 that supplies to contain phenol waste liquid to discharge, the junction of collection structure 6 and regeneration chamber 12 is provided with the filter element 7 that is used for filtering the adsorbent granule, the controller is used for after the regeneration agent gets into regeneration chamber 12 and presets time, control collection structure 6 work in order to concentrate the discharge of phenol waste liquid. In specific use, the industrial wastewater to be treated and the adsorbent are injected into the adsorption cavity 11, and the industrial wastewater and the adsorbent are subjected to adsorption reaction in the reaction kettle 1 to generate dephenolized water and phenol-containing particles adsorbed with phenol pollutants. The adsorbent has higher adsorption capacity and rate, and the adsorption effect is stable and reliable, so that the removal effect and removal efficiency of phenolic pollutants are improved. When the concentration of the phenolic contaminants detected by the detector is less than a preset value, the controller controls the water outlet pipe 53 to operate so as to discharge the dephenolized water. When the dephenolized water is substantially discharged, the controller controls the filter structure 2 to be opened, so that the phenol-containing particles enter the regeneration cavity 12 below under the action of gravity. And a regenerant is injected into the regeneration cavity 12, and the regenerant and phenol-containing particles are subjected to a regeneration reaction to generate adsorbent particles and phenol-containing waste liquid, so that the adsorbent can be regenerated for recycling, and the treatment cost of industrial wastewater is saved to a certain extent. The controller controls the collecting structure 6 to work after the preset time, so that the phenol-containing waste liquid in the regeneration cavity 12 is discharged and collected in the collecting structure 6, the subsequent extraction of phenol-containing substances is convenient for recycling, and the resource utilization rate is high.
In some embodiments, referring to fig. 1, the industrial wastewater treatment apparatus of the present embodiment further includes a first driver 81 and a storage tank 82 for storing the adsorbent. One end of the first feeding pipe 52 far away from the adsorption cavity 11 is communicated with the inner cavity of the storage tank 82, and the first driver 81 is arranged on the first feeding pipe 52 and is electrically connected with the controller, and the first driver 81 is used for conveying the adsorbent in the storage tank 82 into the adsorption cavity 11.
In a specific implementation, the storage tank 82 may be disposed on one side of the reaction kettle 1, and is communicated with the top of the inner cavity of the adsorption cavity 11 through the first feeding pipe 52, and the first driver 81 is disposed on the first feeding pipe 52. The controller drives the first driver 81 to be opened, so that the adsorbent in the storage tank 82 can be conveyed into the reaction kettle 1; the controller drives the first driver 81 to be closed, so that the injection of the adsorbent into the reaction kettle 1 is stopped, and the reaction kettle is simple in structure and convenient to use.
The first drive 81 may be, for example, a centrifugal pump.
In some embodiments, referring to FIG. 1, the industrial wastewater treatment device further comprises a recovery structure. The recovery structure is electrically connected with the controller and communicated with the bottom of the regeneration cavity 12, and is used for recovering the adsorbent particles in the regeneration cavity 12, so that the automatic collection of the adsorbent particles in the regeneration cavity 12 can be realized through the recovery structure, the adsorbent particles are conveniently collected together, the adsorbent particles are injected into the adsorption cavity 11 again for recycling, the resource utilization rate is high, and the use cost of the adsorbent is saved to a certain extent.
In some embodiments, referring to fig. 1, the recovery structure includes a return pipe 91 and a second actuator 92 disposed on the return pipe 91. One end of the return pipe 91 is communicated with the bottom of the regeneration chamber 12, the other end of the return pipe 91 is communicated with the storage tank 82, and the second driver 92 is electrically connected with the controller and is used for conveying the adsorbent particles in the regeneration chamber 12 into the storage tank 82.
That is, the bottom of the regeneration chamber 12 is communicated with the storage tank 82 through the return pipe 91, and the second driver 92 is arranged on the return pipe 91, when the second driver 92 is opened, the adsorbent particles in the regeneration chamber 12 can directly flow back to the storage tank 82 so as to enter the reaction chamber again, namely, flow back to the reaction chamber again for repeated use, so that the automation operation degree is high, and the labor cost is reduced.
The second drive 92 may be, for example, a centrifugal pump.
In some embodiments, referring to FIG. 1, the recovery structure further includes a carrier 93 and a first control valve 94 disposed on the return line 91. The conveyor 93 and the first control valve 94 are both electrically connected to the controller, and the conveyor 93 and the first control valve 94 are disposed in sequence between the regeneration chamber 12 and the second actuator 92 in a direction along the regeneration chamber 12 and the second actuator 92.
The conveyor 93 may be, for example, a pneumatic conveyor 93, and the adsorbent particles are conveyed by the pneumatic conveyor 93, so that the recovery efficiency of the adsorbent particles is improved.
The first control valve 94 may be, for example, a solenoid valve with time, the first control valve 94 may be automatically opened in a preset time period, and the first control valve 94 may be automatically closed in the preset time period, so as to implement automatic recovery of the adsorbent particles, implement automatic control, and facilitate reduction of labor cost.
In some embodiments, referring to fig. 1, the collection structure 6 includes a drain 61 and a second control valve 62 electrically connected to the controller. The drain pipe 61 is connected to the bottom of the regeneration chamber 12, the second control valve 62 is provided on the drain pipe 61, and the filter 7 is provided at the junction of the drain pipe 61 and the regeneration chamber 12.
In particular, the collecting structure 6 may further include a collecting tank, where the collecting tank is communicated with the bottom of the regeneration cavity 12 through a liquid drain pipe 61, and a second control valve 62 is provided on the liquid drain pipe 61, and the second control valve 62 is opened or closed to automatically collect the phenol-containing waste liquid, so that the phenol-containing waste liquid is collected in the collecting tank, so that the phenol-containing waste liquid is convenient to extract phenol-containing substances from the phenol-containing waste liquid, and the phenol-containing waste liquid is recycled, thereby improving the resource utilization rate.
Wherein, filter element 7 sets up in the junction of fluid-discharge tube 61 and regeneration chamber 12, and the department that communicates promptly, and collection structure 6 during operation contains phenol waste liquid and can discharge from fluid-discharge tube 61 through filter element 7, and the adsorbent granule is intercepted and filtered by filter element 7, makes it stay in regeneration chamber 12, realizes containing the effective separation of phenol waste liquid and adsorbent granule, is convenient for follow-up categorised recycle.
In some embodiments, referring to fig. 1 and 2, the filter 7 includes a filter screen disposed in the inlet of the drain pipe 61, which is simple in structure and easy to implement.
In other implementations, a filter screen may be provided, for example, on an inner wall of the regeneration chamber 12 that corresponds to the inlet of the drain 61.
In other embodiments, the filter screen may be, for example, filter cotton or the like.
In some embodiments, referring to fig. 1, the first stirring structure 3 includes a first stirring rod 31 and a plurality of first stirring vanes 32. The first stirring rod 31 is rotationally connected to the top of the adsorption cavity 11 and extends along the direction from the water inlet pipe 51 to the filtering structure 2, part of the first stirring blades 32 are arranged at intervals along the circumferential direction of the first stirring rod 31, and part of the first stirring blades 32 are arranged at intervals along the axial direction of the first stirring rod 31, so that the structure is simple and easy to manufacture.
In particular, the first stirring rod 31 may be disposed in the adsorption chamber 11 in a vertical direction, i.e., in a height direction of the adsorption chamber 11, for example, so as to have a good stirring effect on industrial sewage and adsorbent entering the adsorption chamber 11.
In some embodiments, referring to fig. 1, the second stirring structure 4 includes a second stirring rod 41 and a plurality of second stirring vanes 42. The second stirring rod 41 is arranged in parallel with the filtering structure 2, two ends of the second stirring rod 41 are respectively connected to the cavity wall of the regeneration cavity 12 in a rotating mode, a plurality of second stirring blades 42 are arranged along the axial spiral of the second stirring rod 41 at intervals, the structure is simple, the manufacturing is easy, and the stirring effect is good.
The rotation axis of the second stirring rod 41 is perpendicular to the rotation axis of the first stirring structure 3, the stirring efficiency is high, the stirring effect is good, and the dephenolization regeneration of the adsorbent can be facilitated.
In some embodiments, referring to fig. 1, the second stirring structure 4 is located directly below the filtering structure 2, and the projection of the filtering structure 2 on the bottom wall of the regeneration cavity 12 is located in the projection area of the second stirring structure 4 on the bottom wall of the regeneration cavity 12, that is, the second stirring structure 4 covers the filtering structure 2, so that the adsorbent particles entering the regeneration cavity 12 from the filtering structure 2 can fall into the stirring area of the second stirring structure 4, so that the adsorbent particles can be fully and uniformly stirred with the regenerant, the regeneration efficiency is high, and the regeneration effect is good.
In some embodiments, referring to fig. 3, the filtering structure 2 includes a filtering plate 21 and a plurality of openable and closable filtering holes 22, the filtering plate 21 is arranged in the reaction kettle 1 along a horizontal direction, an outer wall of the filtering plate 21 is in sealing connection with an inner wall of the reaction kettle 1, and the plurality of filtering holes 22 are arranged on the filtering plate 21 at intervals, so that the structure is simple and easy to implement.
The controller may switch the status of the filter aperture 22, such as open or closed.
In some implementations, the filter plate 21 includes, for example, a slide plate located above and a fixed plate located below, where an outer wall of the fixed plate is in sealing connection with an inner wall of the reaction kettle 1, and the slide plate is coaxially disposed with the fixed plate and is rotationally connected with the fixed plate, and the controller can control the slide plate to rotate along a circumferential direction of the fixed plate. A plurality of filtering sub-holes are formed in the fixed plate and the sliding plate at intervals, one filtering sub-hole in the fixed plate corresponds to one filtering sub-hole in the sliding plate, and the two filtering sub-holes are combined to form one filtering hole. When the filtering sub-holes on the fixed plate are coaxial with the corresponding filtering sub-holes on the sliding plate, the filtering holes are opened to form an open state, and when the filtering sub-holes on the fixed plate are not coaxial with the corresponding filtering sub-holes on the sliding plate and are not overlapped in dislocation, the filtering holes are closed to form a closed state.
When the device is specifically used, after the dephenolized water in the adsorption cavity 11 is discharged, the controller controls the sliding plate to rotate along the circumferential direction of the fixed plate, so that the filter sub-holes on the fixed plate and the corresponding filter sub-holes on the sliding plate are coaxially arranged, the filter holes are opened, the opening state of the filter structure is realized, and the phenol-containing particles which are saturated in adsorption enter the regeneration cavity through a plurality of filter holes.
When the filter structure is closed, the controller controls the sliding plate to reversely rotate, so that the filter sub-holes on the fixed plate and the corresponding filter sub-holes on the sliding plate are arranged in a staggered mode and are not overlapped, and each filter hole is closed, so that the filter structure is closed.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The industrial wastewater treatment device for the adsorption dephenolization treatment is characterized by comprising a reaction kettle (1), a controller, a filtering structure (2), a first stirring structure (3), a second stirring structure (4), a collecting structure (6) and a detector, wherein the filtering structure (2), the first stirring structure (3), the second stirring structure (4) and the detector are electrically connected with the controller;
the filtering structure (2) is arranged in the reaction kettle (1) in a sealing way, an inner cavity of the reaction kettle (1) is divided into an adsorption cavity (11) and a regeneration cavity (12), the adsorption cavity (11) is positioned above the regeneration cavity (12), the first stirring structure (3) is arranged in the adsorption cavity (11), and the second stirring structure (4) is arranged in the regeneration cavity (12);
the top of the adsorption cavity (11) is provided with a water inlet pipe (51) for injecting industrial wastewater and a first water inlet pipe (52) for injecting an adsorbent into the adsorption cavity (11), so that the adsorbent and the industrial wastewater react in the adsorption cavity (11) to adsorb phenolic pollutants in the industrial wastewater and generate dephenolized water and phenolic particles; the bottom of the adsorption cavity (11) is provided with a water outlet pipe (53), the water outlet pipe (53) is positioned below the first stirring structure (3) and is close to the filtering structure (2), the detector is arranged in the adsorption cavity (11) and is used for detecting the concentration of phenolic pollutants in the adsorption cavity (11), and the controller is used for controlling the first stirring structure (3) to stop working and controlling the dephenolized water to be discharged from the water outlet pipe (53) when the concentration detected by the detector is smaller than a preset value; the controller is also used for controlling the opening of the filtering structure (2) to enable the phenol-containing particles saturated in adsorption to enter the regeneration cavity (12) after the dephenolized water in the adsorption cavity (11) is discharged;
the top of the regeneration cavity (12) is provided with a second feeding pipe (54) for injecting a regenerant into the regeneration cavity (12) so as to regenerate the phenol-containing particles to generate dephenolized adsorbent particles and phenol-containing waste liquid; the collecting structure (6) is communicated with the bottom of the regeneration cavity (12) and is used for collecting the phenol-containing waste liquid, a filtering piece (7) used for filtering the adsorbent particles is arranged at the joint of the collecting structure (6) and the regeneration cavity (12), and the controller is used for controlling the collecting structure (6) to work after the regenerant enters the regeneration cavity (12) for a preset time, so that the phenol-containing waste liquid is discharged through the collecting structure (6).
2. The industrial wastewater treatment device for adsorptive dephenolization treatment according to claim 1, characterized in that the industrial wastewater treatment device for adsorptive dephenolization treatment further comprises a first drive (81) and a storage tank (82) for storing the adsorbent;
one end of the first feeding pipe (52) far away from the adsorption cavity (11) is communicated with the inner cavity of the storage tank (82), the first driver (81) is arranged on the first feeding pipe (52) and is electrically connected with the controller, and the first driver (81) is used for conveying the adsorbent in the storage tank (82) into the adsorption cavity (11).
3. The industrial wastewater treatment device for adsorptive dephenolization process of claim 2, further comprising a recovery structure;
the recovery structure is electrically connected with the controller and communicated with the bottom of the regeneration cavity (12), and is used for recovering the adsorbent particles in the regeneration cavity (12).
4. An industrial wastewater treatment device for adsorptive dephenolization treatment according to claim 3, characterized in that the recovery structure comprises a return pipe (91) and a second drive (92) arranged on the return pipe (91);
one end of the return pipe (91) is communicated with the bottom of the regeneration cavity (12), the other end of the return pipe (91) is communicated with the storage tank (82), and the second driver (92) is electrically connected with the controller and is used for conveying the adsorbent particles in the regeneration cavity (12) into the storage tank (82).
5. The industrial wastewater treatment device for adsorptive dephenolization treatment of claim 4, wherein the recovery structure further comprises a conveyor (93) and a first control valve (94) provided on the return pipe (91);
the conveyor (93) and the first control valve (94) are electrically connected with the controller, and in the direction along the regeneration chamber (12) and the second driver (92), the conveyor (93) and the first control valve (94) are sequentially arranged between the regeneration chamber (12) and the second driver (92).
6. Industrial wastewater treatment plant for adsorptive dephenolization treatment according to claim 1, characterized in that the collection structure (6) comprises a drain (61) and a second control valve (62) electrically connected to the controller;
the liquid discharge pipe (61) is connected to the bottom of the regeneration cavity (12), the second control valve (62) is arranged on the liquid discharge pipe (61), and the filter (7) is arranged at the joint of the liquid discharge pipe (61) and the regeneration cavity (12).
7. Industrial wastewater treatment plant for adsorptive dephenolization treatment according to claim 6, characterized in that the filter element (7) comprises a filter screen which is arranged in the inlet of the drain pipe (61).
8. Industrial wastewater treatment plant for adsorptive dephenolization treatment according to any of the claims 1 to 7, characterized in that the first stirring structure (3) comprises a first stirring rod (31) and a plurality of first stirring blades (32);
the first stirring rod (31) is rotatably connected to the top of the adsorption cavity (11) and extends in the direction from the water inlet pipe (51) to the filtering structure (2), part of the first stirring blades (32) are arranged at intervals along the circumferential direction of the first stirring rod (31), and part of the first stirring blades (32) are arranged at intervals along the axial direction of the first stirring rod (31);
the first stirring rod (31) is vertically arranged in the adsorption cavity (11).
9. Industrial wastewater treatment plant for adsorptive dephenolization treatment according to any of the claims 1 to 7, characterized in that the second stirring structure (4) comprises a second stirring rod (41) and a plurality of second stirring blades (42);
the second stirring rod (41) is arranged in parallel with the filtering structure (2), two ends of the second stirring rod (41) are respectively connected to the cavity wall of the regeneration cavity (12) in a rotating mode, and a plurality of second stirring blades (42) are spirally arranged at intervals along the axial direction of the second stirring rod (41);
the rotation axis of the second stirring rod (41) is perpendicular to the rotation axis of the first stirring structure (3).
10. Industrial wastewater treatment device for adsorptive dephenolization treatment according to any of the claims 1 to 7, characterized in that the second stirring structure (4) is located directly below the filter structure (2) and the projection of the filter structure (2) on the bottom wall of the regeneration chamber (12) is located in the projection area of the second stirring structure (4) on the bottom wall of the regeneration chamber (12);
the filter structure (2) comprises a filter plate (21) and a plurality of openable filter holes (22), wherein the filter plate (21) is arranged in the reaction kettle (1) along the horizontal direction, the outer wall of the filter plate (21) is in sealing connection with the inner wall of the reaction kettle (1), and a plurality of filter holes (22) are arranged on the filter plate (21) at intervals.
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| CN202311837079.9A CN117682578A (en) | 2023-12-28 | 2023-12-28 | Industrial wastewater treatment device for adsorption dephenolization treatment |
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