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Modular waste acid purifier

A purifier and modular technology, applied in the direction of chemical instruments and methods, control/manipulation systems, water treatment parameter control, etc., can solve the problems of many leakage points, heavy adsorbent workload, inconvenient operation, etc., to reduce the treatment level difference, achieving synchrony and accuracy, and improving synchronicity

Pending Publication Date: 2020-02-11
湖州优蓝新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned equipment is a single set of devices, and the treatment capacity of wastewater is often large, and a single set of devices cannot meet the demand. In the industry, multiple sets of devices are usually operated in parallel to increase the treatment capacity.
When multiple sets of devices are connected in parallel, the water pump, acid pump and electric control system are all independent, and each set of devices needs to be equipped with a flow meter to control the liquid inlet volume of the pipeline through the combination of "pump + flow meter". Since the units are independent, It is difficult to achieve synchronous control when a large number of devices are connected in parallel, resulting in uneven treatment levels of waste liquid by each set of devices. The on-site replacement of the adsorbent is a heavy workload, a long time, and the operation is extremely inconvenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A modular waste acid purifier, such as figure 1 shown, including:

[0032] -N purification units (3 in this embodiment) arranged in parallel, each purification unit includes an adsorption separation module 1, a waste acid metering tank 2 and a pure water metering tank 3, the output of the waste acid metering tank 2 The mouth is connected with the waste liquid inlet at the lower end of the adsorption separation module 1 through a pipeline, and a valve F6 is arranged on the pipeline, and the liquid outlet of the pure water metering tank 3 is connected with the pure water inlet at the upper end of the adsorption separation module 1 through a pipeline, and the pipeline is provided with a valve F6. With valve F5;

[0033] - Common main pipe, including waste acid main pipe 4, pure water main pipe 5 and compressed air main pipe 6;

[0034]- The main outlet pipe, including the main pipe for purifying acid 7 and the main pipe for metal salt solution 8;

[0035] The upper part...

Embodiment 2

[0044] Such as figure 2 Shown is the tank structure of the waste acid metering tank 2 and the pure water metering tank 3 of the present invention, the waste acid metering tank 2 and the pure water metering tank 3 are all splash-proof metering tanks, and a low liquid level probe 15 is arranged in the tank And the high liquid level probe 16, the low liquid level probe 15 and the high liquid level probe 16 are connected with the liquid level controller. Taking the waste acid metering tank 2 as an example, during operation, the electronic control system controls the acid pump and valve F1 to open, and the waste acid main pipe 4 feeds the waste liquid into the waste acid metering tank 2. When the high liquid level probe 16 detects the liquid level, the The information is sent to the liquid level controller, and the liquid level controller controls valve F1 to close, ending the liquid intake of waste acid metering tank 2; the electronic control system controls valves F3, F6 and F7 ...

Embodiment 3

[0047] Such as image 3 Shown is the structure of the adsorption separation module 1 of the present invention. The adsorption separation module 1 is a cylindrical hollow container with a diameter-to-length ratio ≥ 1, including a cylinder body 19, an upper end cover 20 and a lower end cover 21. Inside the cylinder body 19 An upper porous water distribution plate 22 and a lower porous water distribution plate 23 are provided, and the area between the upper porous water distribution plate 22 and the lower porous water distribution plate 23 is an adsorbent filling area. The adsorbent filling area comprises an upper microporous plate and a lower microporous plate, the upper microporous plate is positioned at the lower side of the upper porous water distribution plate 22, the lower microporous plate is positioned at the upper side of the lower porous water distribution plate 23, the upper microporous plate 16 and the lower porous water distribution plate An adsorbent is filled betwe...

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Abstract

The invention discloses a modular waste acid purifier. The modular waste acid purifier comprises a plurality of purification units, a shared mother pipe and a main liquid outlet pipe, each purification unit comprises an adsorption separation module, a waste acid metering tank and a pure water metering tank, and the purification units with unified specifications and sizes are connected to the shared mother pipe and the main liquid outlet pipe in parallel. The mother pipe sharing mode makes all the purification units run synchronously, and a water pump, an acid pump and an electric control system are integrated into one sharing system, so the space occupation and the maintenance workload are greatly reduced, control is convenient, and the reliability and stability of the system are improved;compressed air and the metering tanks are used for replacing a traditional pump and a flow meter to control the liquid feeding amount, so synchronous equivalent liquid feeding of all the purificationmodules is achieved, and the liquid feeding is accurate, simple and efficient; and the metering tanks are provided with anti-splashing assemblies and cooperate with liquid level controllers to reduceliquid level detection errors, so the accuracy and safety of liquid feeding are further improved.

Description

technical field [0001] The invention belongs to the technical field of waste liquid treatment, and in particular relates to a modular waste acid purifier. Background technique [0002] In the process of metal cleaning and mineral extraction, a large amount of inorganic acid is consumed. The used waste acid has a high concentration and cannot be reused because it contains a lot of metal salts. It is usually treated by neutralization, which will produce a large amount of waste residue, which is easy to form Secondary pollution. With the continuous advancement of science and technology, waste acid purification and reuse technologies such as concentration crystallization, diffusion dialysis, extraction, membrane and adsorption separation have emerged in recent years. Among them, the adsorption separation is economical and practical, or Both have good prospects for development in terms of stability. [0003] In the field of waste acid purification, the adsorption separation met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/42
CPCC02F1/008C02F1/42C02F2001/422C02F2209/42C02F2209/40
Inventor 唐宇王义平
Owner 湖州优蓝新材料有限公司
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