Equipment for PH (potential of hydrogen) pretreatment of associated radioactive waste residues

By designing automated stirring and pH adjustment components, the problem of low automation in existing equipment has been solved, achieving efficient pretreatment of radioactive waste residue and improving the control effect of pH and moisture content.

CN223743289UActive Publication Date: 2025-12-30HUNAN ZHONGXI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423306926.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing solid waste pretreatment equipment has a low degree of automation, low working efficiency, and unsatisfactory pretreatment effect, which affects the landfill disposal efficiency of solid waste residue.

Method used

A device including a stirring component and a pH adjustment component was designed. The stirring blades are driven by a motor to stir the mixture, and the pH detection module and metering solenoid valve are used to quantitatively add the neutralizing agent, thereby improving the degree of automation and processing efficiency.

Benefits of technology

It improved the pH and moisture content control of associated radioactive solid waste, and enhanced the automation and efficiency of pretreatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of radioactive solid waste treatment, and particularly relates to equipment for PH (Potential of Hydrogen) pretreatment of associated radioactive waste residues, which comprises an equipment main body, comprising a base, supporting foot stools arranged at the four corners of the bottom of the base, a stirring box arranged at the top of the base, a box cover arranged at the top of the stirring box, a feeding opening formed in one side of the top of the box cover, a discharging opening formed in the bottom of one side of the stirring box, a pH value detection module arranged at the bottom of one side of the stirring box and a controller arranged on the front surface of the stirring box. The display unit is arranged on the front surface of the controller, and the controller is electrically connected with the pH value detection module; the stirring assembly comprises a motor arranged in the middle of the top of the box cover and a rotating shaft arranged at the output end of the motor and extending into an inner cavity of the stirring box; the device is reasonable in structure and high in automation degree in the using process, the treatment efficiency is improved, and the problem that the pH value and the water content of associated radioactive solid waste are unqualified is solved.
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Description

Technical Field

[0001] This utility model relates to the field of radioactive solid waste treatment technology, specifically to a device for pH pretreatment of associated radioactive waste residue. Background Technology

[0002] my country is rich in mineral resources, some of which are associated with naturally occurring radioactive nuclides such as uranium and thorium. During the mining, beneficiation, smelting, and processing of these resources, radioactive nuclides are often enriched in solid waste, resulting in large quantities of radioactive solid waste. my country has classified industries generating associated radioactive waste into 16 categories, involving over 400 enterprises, with a cumulative storage volume of 2.03 billion tons. Associated radioactive waste is characterized by its involvement of multiple industries, wide range of sources, long decay periods of the naturally occurring radioactive nuclides, broad range of radioactivity levels, and complex physicochemical properties. Close-range disposal poses a certain radiation impact on personnel and potential pollution to the surrounding environment. Existing solid waste pretreatment equipment typically adds lime, water, and chelating agents to stabilize the pH, moisture content, and toxin leaching properties of solid waste before landfilling to reduce its toxicity and hazardousness. However, existing solid waste pretreatment equipment often suffers from low automation, low efficiency, and unsatisfactory pretreatment results, severely impacting the efficiency of solid waste landfill disposal. Utility Model Content

[0003] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0004] In view of the problems existing in the prior art, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a device for pH pretreatment of associated radioactive waste residue. During use, it has a high degree of automation, improves treatment efficiency, and solves the problem of unqualified pH and moisture content of associated radioactive solid waste.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] An apparatus for pH pretreatment of associated radioactive waste residue, comprising:

[0008] The main body of the equipment includes a base, support legs set at the four corners of the bottom of the base, a mixing tank set at the top of the base, a tank cover set at the top of the mixing tank, a feed inlet set on one side of the top of the tank cover, a discharge outlet set at the bottom of one side of the mixing tank, a pH detection module set at the bottom of one side of the mixing tank, a controller set on the front surface of the mixing tank, and a display unit set on the front surface of the controller, and the controller is electrically connected to the pH detection module.

[0009] The stirring assembly includes a motor located at the center of the top of the tank cover, a rotating shaft located at the output end of the motor and extending into the inner cavity of the stirring tank, and stirring blades located on the surface of the rotating shaft.

[0010] The pH adjustment component includes a curved frame located on the other side of the top of the tank cover, a neutralizing agent storage tank located on the top of the curved frame, a water supply pipe located at the bottom of the neutralizing agent storage tank and connected to the mixing tank, and a metering solenoid valve located on the surface of the supply pipe, wherein the metering solenoid valve is electrically connected to the controller.

[0011] As a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue described in this utility model, the bottom of the support frame is provided with a fixed seat, and the bottom of the fixed seat is provided with an anti-slip pad.

[0012] As a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue according to the present invention, the inner cavity of the feed inlet is provided with a mesh grid, and the discharge port is provided with a one-way valve.

[0013] As a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue described in this utility model, the pH detection module is a pH sensor.

[0014] In a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue described in this utility model, the display unit is a touch screen display.

[0015] As a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue described in this utility model, a scraper is provided on one side of the stirring blade.

[0016] As a preferred embodiment of the device for pH pretreatment of associated radioactive waste residue according to the present invention, wherein: a liquid level observation window is provided on one side of the neutralizing agent storage tank, and a liquid replenishment port is provided on the top of the neutralizing agent storage tank.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the rotating shaft is driven by a motor to rotate, and the rotating shaft drives the stirring blades to rotate. The stirring blades fully mix the materials during the rotation process. In addition, by setting a pH detection module on one side of the mixing tank, it is possible to know whether the pH of the material meets the requirements. With the pH adjustment component, the quantitative amount of neutralizing agent entering the mixing tank can be controlled, thus solving the problem of unqualified pH and moisture content of associated radioactive solid waste. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the stirring assembly structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the pH adjustment component of this utility model.

[0022] In the diagram: 100 Equipment body, 110 Base, 120 Support legs, 130 Mixing tank, 140 Tank cover, 150 Feed inlet, 160 Discharge outlet, 170 pH detection module, 180 Controller, 190 Display unit, 200 Mixing assembly, 210 Motor, 220 Rotating shaft, 230 Mixing blades, 300 pH adjustment assembly, 310 Curved frame, 320 Neutralizing agent storage tank, 330 Delivery pipe, 340 Metering solenoid valve. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides the following technical solution: a device for pH pretreatment of associated radioactive waste residue, which has a high degree of automation during use, improves treatment efficiency, and solves the problem of unqualified pH and moisture content of associated radioactive solid waste;

[0028] Figures 1 to 3 The diagram shown is a structural schematic of an embodiment of a device for pH pretreatment of associated radioactive waste residue according to the present invention. Its main body includes a device body 100, a stirring component 200, and a pH adjustment component 300.

[0029] The main body 100 of the equipment includes a base 110, support legs 120 installed at the four corners of the bottom of the base 110, a mixing tank 130 installed on the top of the base 110, a tank cover 140 installed on the top of the mixing tank 130, a feed inlet 150 installed on one side of the top of the tank cover 140, a discharge outlet 160 installed on the bottom side of the mixing tank 130, a pH detection module 170 installed on the bottom side of the mixing tank 130, a controller 180 installed on the front surface of the mixing tank 130, and a display unit 190 installed on the front surface of the controller 180. The controller 180 is electrically connected to the pH detection module 170. A fixing base is installed at the bottom of the support legs 120. The bottom of the fixed base is bonded with an anti-slip pad, the inner cavity of the feed inlet 150 is equipped with a mesh grid, the discharge port 160 is equipped with a one-way valve, the pH detection module 170 is a pH sensor, and the display unit 190 is a touch screen. Furthermore, the base 110 is used to support the mixing tank 130, the support bracket 120 is used to support the base 110, the mixing tank 130 is used for mixing, the tank cover 140 is used to seal the mixing tank 130, the feed inlet 150 is used for material entry, the discharge port 160 is used for material discharge, the pH detection module 170 is used for pH detection, the controller 180 is used for receiving and sending circuit signals, and the display unit 190 is used for pH display.

[0030] The mixing assembly 200 includes a motor 210 installed in the middle of the top of the cover 140, a rotating shaft 220 installed at the output end of the motor 210 and extending into the inner cavity of the mixing tank 130, and mixing blades 230 installed on the surface of the rotating shaft 220. A scraper is installed on one side of the mixing blades 230. Furthermore, the motor 210 is used to drive the rotating shaft 220 to rotate, the rotating shaft 220 is used to support the mixing blades 230, and the mixing blades 230 are used for mixing and blending materials.

[0031] The pH adjustment assembly 300 includes a curved frame 310 mounted on the other side of the top of the cover 140, a neutralizing agent storage tank 320 mounted on the top of the curved frame 310, a water supply pipe mounted on the bottom of the neutralizing agent storage tank 320 and connected to the mixing tank 130, and a metering solenoid valve 340 mounted on the surface of the delivery pipe 330. The metering solenoid valve 340 is electrically connected to the controller 180. A liquid level observation window is installed on one side of the neutralizing agent storage tank 320, and a replenishment port is installed on the top of the neutralizing agent storage tank 320. Furthermore, the curved frame 310 is used to support the neutralizing agent storage tank 320, the neutralizing agent storage tank 320 is used to store the neutralizing agent, the delivery pipe 330 is used to deliver the neutralizing agent, and the metering solenoid valve 340 is used for quantitative delivery.

[0032] Combination Figures 1-3 This embodiment of an apparatus for pH pretreatment of associated radioactive waste residue operates as follows: a motor 210 drives a rotating shaft 220 to rotate, which in turn drives a stirring blade 230 to rotate. During rotation, the stirring blade 230 thoroughly mixes the material. Furthermore, a pH detection module 170 is installed on one side of the mixing tank 130 to determine whether the pH of the material meets the requirements. In conjunction with a pH adjustment component 300, the quantitative amount of neutralizing agent entering the mixing tank 130 can be controlled, thus solving the problem of unqualified pH and moisture content of associated radioactive solid waste.

[0033] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An apparatus for pre-treatment of associated radioactive waste PH, characterized in that, The utility model relates to a pH value adjusting device, including: The utility model discloses a pH value adjusting device, including: a device body (100) comprising a base (110), supporting legs (120) arranged at the bottom of the four corners of the base (110), a stirring box (130) arranged at the top of the base (110), a box cover (140) arranged at the top of the stirring box (130), a feeding port (150) arranged at one side of the top of the box cover (140), a discharge port (160) arranged at the bottom of one side of the stirring box (130), a pH value detection module (170) arranged at the bottom of one side of the stirring box (130), a controller (180) arranged on the front surface of the stirring box (130), a display unit (190) arranged on the front surface of the controller (180), and the controller (180) is electrically connected with the pH value detection module (170); The utility model discloses a pH value adjusting device, including: a device body (100) comprising a base (110), supporting legs (120) arranged at the bottom of the four corners of the base (110), a stirring box (130) arranged at the top of the base (110), a box cover (140) arranged at the top of the stirring box (130), a feeding port (150) arranged at one side of the top of the box cover (140), a discharge port (160) arranged at the bottom of one side of the stirring box (130), a pH value detection module (170) arranged at the bottom of one side of the stirring box (130), a controller (180) arranged on the front surface of the stirring box (130), a display unit (190) arranged on the front surface of the controller (180), and the controller (180) is electrically connected with the pH value detection module (170); The utility model discloses a pH value adjusting device, including: a device body (100) comprising a base (110), supporting legs (120) arranged at the bottom of the four corners of the base (110), a stirring box (130) arranged at the top of the base (110), a box cover (140) arranged at the top of the stirring box (130), a feeding port (150) arranged at one side of the top of the box cover (140), a discharge port (160) arranged at the bottom of one side of the stirring box (130), a pH value detection module (170) arranged at the bottom of one side of the stirring box (130), a controller (180) arranged on the front surface of the stirring box (130), a display unit (190) arranged on the front surface of the controller (180), and the controller (180) is electrically connected with the pH value detection module (170); 2. A device for pre-treatment of PH of associated radioactive waste according to claim 1, characterized in that: The bottom of the supporting legs (120) is provided with a fixing seat, and the bottom of the fixing seat is provided with an anti-skid pad.

3. A device for pre-treatment of PH of associated radioactive waste according to claim 1, characterized in that: The inner cavity of the feeding port (150) is provided with a mesh grid, and the discharge port (160) is provided with a one-way valve.

4. The apparatus for pre-treating the associated radioactive waste according to claim 1, characterized in that: The pH value detection module (170) is a pH value sensor.

5. The apparatus for pre-treating the associated radioactive waste according to claim 1, characterized in that: The display unit (190) is a touch display screen.

6. The apparatus for pre-treatment of PH of associated radioactive waste according to claim 1, characterized in that: One side of the stirring blade (230) is provided with a scraper.

7. The apparatus for pre-treatment of PH of associated radioactive waste according to claim 1, characterized in that: One side of the neutralizing agent storage tank (320) is provided with a liquid level observation window, and the top of the neutralizing agent storage tank (320) is provided with a liquid supplementing port.