Liquid caustic soda dosing buffer

Abstract

The utility model discloses a liquid caustic soda dosing buffer which comprises a transfer tank, an adjusting cavity, a chemical pool and a reaction tank, liquid caustic soda is stored in the transfer tank, the adjusting cavity is communicated with a liquid outlet of the transfer tank, an upper conical ring, a lower conical ring and a floating ball located in the middle are arranged in the adjusting cavity, the chemical pool is communicated with a liquid outlet of the adjusting cavity, and the reaction tank is communicated with the upper conical ring. When the liquid level in the chemical pool is high, the floating ball floats to block the upper conical ring and stop chemical feeding, when the liquid level in the chemical pool is lowered, the floating ball descends, the upper conical ring is opened, liquid alkali in the transfer tank flows into the adjusting cavity and is injected into the chemical pool, and when the liquid level in the chemical pool is too low, the liquid alkali in the reaction tank flows into the adjusting cavity and is injected into the chemical pool. The floating ball moves downwards to block the lower conical ring, the caustic soda liquid in the transfer tank enters the adjusting cavity and floats the floating ball, the caustic soda liquid slowly overflows into the chemical pool from the lower conical ring, slow adding of the caustic soda liquid can be achieved by means of gravity, power consumption is not needed, and the caustic soda liquid adding device is more environmentally friendly, stable and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical feeding equipment, in particular to a liquid alkali dosing buffer. Background Art

[0002] With the acceleration of global industrialization and urbanization, the demand for metal resources continues to grow, while traditional metal extraction methods are often accompanied by high energy consumption, high pollution and high costs. In this context, urban mineral recycling, as an emerging way to obtain metal resources, has received widespread attention. Urban minerals refer to the rich metal resources contained in discarded electronic products, buildings and other industrial waste. Through effective recycling and treatment, these wastes can be turned into treasures and become an important resource for sustainable development.

[0003] Hydrometallurgy plays a key role in the process of urban mineral recovery. Especially when dealing with complex waste components, hydrometallurgy can efficiently separate target metals from waste through a series of chemical reactions. In the hydrometallurgical process, especially when dealing with solutions containing target metals, the use of reduction precipitation is a common technical means. In this process, pH regulation is crucial for the effective precipitation of metals. In order to maintain an ideal pH environment, alkaline substances, usually liquid caustic soda, must be continuously added to the solution. However, there are many problems with traditional liquid caustic soda dosing systems, which limit the efficiency and effectiveness of the hydrometallurgical process.

[0004] Traditional caustic soda dosing systems mainly rely on dosing pumps to add caustic soda. However, due to the strong corrosiveness of caustic soda, dosing pumps often malfunction and break down, which not only increases maintenance costs but also may interrupt the production process. In addition, it is difficult for dosing pumps to accurately control the rate of caustic soda addition, resulting in pH fluctuations during the production process, which affects the efficiency and quality of metal precipitation. This instability may lead to a reduction in metal recovery, which in turn affects the economic benefits of the entire production line.

[0005] In addition to the accuracy problem, traditional dosing systems also have the problem of high energy consumption. Dosing pumps usually need to run continuously to maintain the stability of pH value, which not only consumes a lot of energy, but also may cause equipment overheating and performance degradation under long-term operation. High energy consumption not only increases operating costs, but may also have a negative impact on the environment.

[0006] In view of the above challenges and problems, it is particularly important to develop a new type of liquid caustic soda dosing system. This system needs to be able to accurately control the addition rate of liquid caustic soda to maintain a stable pH value, and have the characteristics of corrosion resistance, low maintenance cost and low energy consumption. By achieving these functions, the new dosing system can significantly improve the efficiency and effect of the hydrometallurgical process and reduce production costs.

[0007] The present application designs a liquid alkali dosing buffer. Through this new type of slow-release dosing system, the addition rate of liquid alkali can be more accurately controlled, the effect of metal extraction can be improved, and maintenance costs and energy consumption can be reduced. Utility Model Content

[0008] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0009] In view of the above-mentioned problems and / or problems existing in the use of the liquid alkali dosing buffer, the present utility model is proposed.

[0010] Therefore, the purpose of the utility model is to provide a liquid alkali dosing buffer, which can achieve the slow addition of liquid alkali by relying on gravity, does not require electricity, is more environmentally friendly, stable and efficient.

[0011] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0012] A liquid alkali dosing buffer, comprising:

[0013] A transfer tank, wherein liquid alkali is stored in the transfer tank;

[0014] An adjusting chamber, the adjusting chamber is communicated with the liquid outlet of the transfer tank, and an upper cone ring, a lower cone ring and a floating ball located in the middle are arranged inside the adjusting chamber;

[0015] A medicine pool, the medicine pool is connected to the liquid outlet of the regulating cavity;

[0016] A reaction tank is connected to the liquid outlet of the medicine pool.

[0017] As a preferred solution of the liquid alkali dosing buffer described in the utility model, the liquid outlet of the transfer tank is connected to a regulating valve, and the liquid outlet of the medicine pool is connected to a normally open valve, both of which are connected by hoses.

[0018] As a preferred solution of the liquid alkali dosing buffer described in the utility model, the floating ball is a hollow plastic ball with an overall density of 0.92-0.97 g / cm3, and the specific material is a corrosion-resistant material such as polypropylene, polytetrafluoroethylene, and polyvinyl chloride.

[0019] As a preferred solution of the liquid alkali dosing buffer described in the utility model, the side wall of the regulating cavity is provided with a clamp, and the side wall of the clamp is provided with a threaded block.

[0020] As a preferred solution of the liquid alkali dosing buffer described in the utility model, the side wall of the medicine pool is provided with a height adjustment mechanism, and the height adjustment mechanism includes a bearing seat, a threaded rod with an interference fit with the inner ring of the bearing seat, and a crank arranged on the top of the threaded rod.

[0021] As a preferred solution of a liquid alkali dosing buffer described in the utility model, the threaded block is movably matched with the threaded rod, the side wall of the medicine pool is provided with a limiting slide groove, the side wall of the threaded block is provided with a sliding block extending into the limiting slide groove, and the top of the medicine pool is provided with an air hole.

[0022] As a preferred solution of the liquid alkali dosing buffer described in the utility model, the outer diameter of the float is larger than the minimum inner diameter of the upper cone ring and the minimum inner diameter of the lower cone ring, and the radius of the float is larger than the distance from the upper cone ring opening and the lower cone ring opening to the inner wall of the regulating chamber.

[0023] Compared with the prior art, the utility model has the following beneficial effects: for this type of liquid alkali dosing buffer, when the liquid level in the medicine pool is high, the float rises to seal the upper cone ring and stop adding medicine; when the liquid level in the medicine pool drops, the float drops, the upper cone ring opens, and the liquid alkali in the transfer tank flows into the regulating cavity and is injected into the medicine pool; when the liquid level in the medicine pool is too low, the float moves down to block the lower cone ring, and the liquid alkali in the transfer tank enters the regulating cavity, floats up the float again, and the liquid alkali slowly overflows from the lower cone ring into the medicine pool; wherein, the bottom area of ​​the medicine pool can be set as large as possible according to the surrounding space, and the smaller the liquid level change caused by the inlet and outlet of the medicine pool, the smoother the liquid alkali addition will be, and the slow addition of liquid alkali can be achieved by gravity without power consumption, which is more green, environmentally friendly, stable and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0025] Figure 1 This is a schematic diagram of the overall structure of a liquid alkali dosing buffer of the utility model;

[0026] Figure 2 The utility model is a schematic diagram of the structure of the regulating chamber of the liquid alkali dosing buffer.

[0027] 100, transfer tank; 110, regulating valve; 200, regulating chamber; 210, upper cone ring; 220, lower cone ring; 230, float; 240, clamp; 300, medicine tank; 301, air hole; 302, normally open valve; 310, height adjustment mechanism; 311, bearing seat; 312, threaded rod; 313, crank; 320, slide groove; 330, threaded block; 400, reaction tank. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged at a general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0030] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] The utility model provides a liquid alkali dosing buffer, which can realize the slow addition of liquid alkali by relying on gravity, does not require electricity consumption, is more environmentally friendly, stable and efficient.

[0032] Figure 1-Figure 2 The structure diagram of a liquid alkali dosing buffer of the utility model is shown. Figure 1-Figure 2 The liquid alkali dosing buffer of this embodiment has a main body including a transfer tank 100, a regulating chamber 200, a drug pool 300 and a reaction tank 400.

[0033] The transfer tank 100 discharges the liquid alkali into the regulating chamber 200 through the liquid outlet. Specifically, the transfer tank 100 stores liquid alkali inside. In this embodiment, the liquid outlet of the transfer tank 100 is connected to the regulating valve 110.

[0034] Since the regulating chamber 200 is connected with the medicine pool 300, when the liquid level in the medicine pool 300 is high, the float 230 floats up to block the upper cone ring 210 and stop adding medicine. When the liquid level in the medicine pool 300 drops, the float 230 drops, the upper cone ring 210 opens, and the liquid alkali in the transfer tank 100 flows into the regulating chamber 200 and is injected into the medicine pool 300. Specifically, the regulating chamber 200 is connected with the liquid outlet of the transfer tank 100, and the interior of the regulating chamber 200 is provided with an upper cone ring 210, a lower cone ring 220 and a float 230 located in the middle. In the present embodiment, the float 230 is a hollow plastic ball with an overall density of 0.92-0.97 g / cm3, and the specific material is polyurethane. The corrosion-resistant material is propylene, polytetrafluoroethylene, and polyvinyl chloride. The side wall of the regulating chamber 200 is provided with a clamp 240, and the side wall of the clamp 240 is provided with a threaded block 330. The threaded block 330 is movably matched with the threaded rod 312. The side wall of the medicine pool 300 is provided with a limited sliding groove 320, and the side wall of the threaded block 330 is provided with a slider extending into the limited sliding groove 320. The top of the medicine pool 300 is provided with an air hole 301. The outer diameter of the float 230 is larger than the minimum inner diameter of the upper cone ring 210 and the minimum inner diameter of the lower cone ring 220. The radius of the float 230 is larger than the distance from the ring mouth of the upper cone ring 210 and the ring mouth of the lower cone ring 220 to the inner wall of the regulating chamber 200.

[0035] When the liquid level in the medicine pool 300 is too low, the float 230 will block the lower cone ring 220, and the liquid alkali in the transfer tank will enter the regulating chamber 200, and float the float 230, and the liquid alkali will slowly overflow from the lower cone ring 220 into the medicine pool 300, wherein the bottom area of ​​the medicine pool 300 can be set as large as possible according to the surrounding space, the smaller the liquid level change caused by the inlet and outlet of the medicine pool 300, the smoother the liquid alkali addition will be, and the height of the regulating chamber 200 is controlled by the height adjustment mechanism 310 according to the liquid level requirement, specifically, the medicine pool 300 is connected to the liquid outlet of the regulating chamber 200, in this embodiment, the liquid outlet of the medicine pool 300 is connected to a normally open valve 302, and the side wall of the medicine pool 300 is provided with a height adjustment mechanism 310, and the height adjustment mechanism 310 includes a bearing seat 311, a threaded rod 312 with an interference fit with the inner ring of the bearing of the bearing seat 311, and a crank 313 arranged at the top of the threaded rod 312;

[0036] The reaction tank 400 is communicated with the liquid outlet of the medicine pool 300 .

[0037] Combination Figure 1-Figure 2The specific use process of a liquid alkali dosing buffer of this embodiment is as follows: the liquid alkali is discharged into the regulating chamber 200 through the liquid outlet. Since the regulating chamber 200 is connected with the medicine pool 300, when the liquid level in the medicine pool 300 is high, the float 230 floats up to block the upper cone ring 210 and stop adding medicine. When the liquid level in the medicine pool 300 drops, the float 230 drops, the upper cone ring 210 opens, and the liquid alkali in the transfer tank 100 flows into the regulating chamber 200 and is injected into the medicine pool 300. The liquid in the medicine pool 300 When the level is too low, the float 230 will go down to block the lower cone ring 220, and the liquid alkali in the transfer tank will enter the adjusting chamber 200, floating the float 230 again, and the liquid alkali will slowly overflow from the lower cone ring 220 into the medicine pool 300, wherein the bottom area of ​​the medicine pool 300 can be set as large as possible according to the surrounding space, and the smaller the liquid level change caused by the inlet and outlet of the medicine pool 300, the smoother the addition of liquid alkali will be, and the slow addition of liquid alkali can be achieved by gravity without consuming electricity, which is more green, environmentally friendly, stable and efficient.

[0038] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. 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. A liquid alkali dosing buffer, characterized in that: include: A transfer tank (100), wherein liquid alkali is stored inside the transfer tank (100); An adjusting chamber (200), the adjusting chamber (200) being in communication with the liquid outlet of the transfer tank (100), and the adjusting chamber (200) being provided with an upper cone ring (210), a lower cone ring (220) and a floating ball (230) located in the middle; A medicine pool (300), wherein the medicine pool (300) is in communication with a liquid outlet of the regulating chamber (200); A reaction tank (400), wherein the reaction tank (400) is connected to the liquid outlet of the medicine pool (300).

2. A liquid alkali dosing buffer according to claim 1, characterized in that: The liquid outlet of the transfer tank (100) is connected to a regulating valve (110), and the liquid outlet of the medicine pool (300) is connected to a normally open valve (302), both of which are connected by hoses.

3. A liquid caustic soda dosing buffer according to claim 1, characterized in that: The floating ball (230) is a hollow plastic ball with an overall density of 0.92-0.97 g / cm3, and is specifically made of corrosion-resistant materials such as polypropylene, polytetrafluoroethylene, and polyvinyl chloride.

4. A liquid caustic soda dosing buffer according to claim 2, characterized in that: A clamp (240) is provided on the side wall of the regulating cavity (200), and a threaded block (330) is provided on the side wall of the clamp (240).

5. A liquid caustic soda dosing buffer according to claim 3, characterized in that: The side wall of the medicine pool (300) is provided with a height adjustment mechanism (310), and the height adjustment mechanism (310) comprises a bearing seat (311), a threaded rod (312) having an interference fit with the inner ring of the bearing of the bearing seat (311), and a crank (313) arranged on the top of the threaded rod (312).

6. A liquid caustic soda dosing buffer according to claim 4, characterized in that: The threaded block (330) is movably matched with the threaded rod (312), the side wall of the medicine pool (300) is provided with a limiting slide groove (320), the side wall of the threaded block (330) is provided with a sliding block extending into the limiting slide groove (320), and the top of the medicine pool (300) is provided with an air hole (301).

7. A liquid alkali dosing buffer according to claim 5, characterized in that: The outer diameter of the floating ball (230) is greater than the minimum inner diameter of the upper cone ring (210) and the minimum inner diameter of the lower cone ring (220), and the radius of the floating ball (230) is greater than the distance from the ring opening of the upper cone ring (210) and the ring opening of the lower cone ring (220) to the inner wall of the regulating cavity (200).

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