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Concentration recovery system and method for active ingredients of machining cleaning solution

A technology for machining cleaning liquid and active ingredients, which is applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., to reduce the cost of sewage treatment, increase the efficiency of waste liquid treatment, and improve recovery Efficiency and Effects on Recycled Quality

Inactive Publication Date: 2014-12-03
VONTRON MEMBRANE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, the recycling of waste, especially the recycling of the effective components of machining cleaning fluids, has not been reported using a complete physical treatment method, nor has there been any use of ultrafiltration, nanofiltration, fine filtration, coarse filtration, and sedimentation Reasonable setting and distribution, and then combining it to carry out the treatment method of recycling the effective components of machining cleaning fluid has not been reported

Method used

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  • Concentration recovery system and method for active ingredients of machining cleaning solution
  • Concentration recovery system and method for active ingredients of machining cleaning solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, a system for concentrating and recovering the effective components of the machining cleaning liquid is composed of a waste liquid inlet 1, a sedimentation tank 2 connected to the end of the waste liquid inlet 1, and a sedimentation outlet 3 arranged on the bottom of the sedimentation tank 2, which is installed in the sedimentation tank 2. The suction pump 4 on the upper side of the tank 2, the supernatant liquid tank 5 connected to the liquid suction pump 4, the booster pump a6 arranged on the lower side of the supernatant liquid tank 5, and the booster pump a6 on the upper side of the middle Connected coarse filter 7, primary fine filter 8 connected to the lower side of the coarse filter 7, secondary fine filter 9 connected to the lower side of the primary fine filter 8, filtrate connected to the secondary fine filter 9 Tank 10, the booster pump b11 connected to the lower side of the filtrate tank 10, the ultrafiltration system 12 connected to ...

Embodiment 2

[0045] On the basis of Embodiment 1, other equipment mechanisms and connection methods are the same as Embodiment 1, and the coarse filter 7 is a stainless steel filter with a filtration precision of 200 mesh.

[0046] The coarse filter 7 can also be a polymer filter with a filtration precision of 150 mesh.

[0047] The filtering accuracy of the primary fine filter 8 is 50um, and the filtering area can also be 0.2m 2 .

[0048] The filtering accuracy of the primary fine filter 8 can also be 30um, and the filtering area can also be 0.1m 2 .

[0049] The filtering accuracy of the secondary fine filter 9 is 20um, and the filtering area can also be 0.01m 2 .

[0050] The filtering accuracy of the secondary fine filter 9 can also be 15um, and the filtering area can also be 0.2m 2 .

[0051] The membrane elements of the nanofiltration system 16 are disc membrane elements;

[0052] The membrane elements of the ultrafiltration system 12 are disc membrane elements.

[0053] The...

Embodiment 3

[0055] A method for concentrating and recovering effective components of a machining cleaning fluid by a system for concentrating and recovering active components of a machining cleaning fluid, comprising the following steps:

[0056] (1) Settling treatment: the waste liquid of the machining cleaning liquid flows into the settling tank 2 through the waste liquid inlet 1, and the solid matter in the waste liquid is settled by standing and settling, so that the solid matter in the waste liquid settles to the settling tank 2 At the bottom of the sedimentation tank 2, the solid matter is discharged through the sedimentation outlet 3 provided on the bottom of the sedimentation tank 2. The sedimentation outlet is opened every 12-24 hours, and the supernatant in the sedimentation tank 2 is pumped into the supernatant through the suction pump 4. In liquid tank 5, stand-by;

[0057] (2) Coarse filtration treatment: the supernatant liquid obtained in step 1) from the supernatant liquid ...

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Abstract

The invention relates to the technical field of wastewater treatment, and in particular relates to a concentration recovery system and method for active ingredients of a machining cleaning solution. Settling, coarse filtration, multi-times fine filtration, ultra-filtration and nano-filtration technologies are combined by adopting a system consisting of a waste liquid inlet, a settling tank, a settlement discharge opening, an infusion pump, a supernate tank, a booster pump a, a coarse filter, a primary fine filter, a secondary fine filter, a filtrate tank, a booster pump b, an ultra-filtration system, an ultra-filtrate discharge opening, an ultra-filtration water storage tank, a booster pump c, a nano-filtration system, a nano-filtration effluent storage tank and a nano-filtration concentrate recovery opening; and the active ingredients of the machining cleaning solution are recycled through the steps of settling, coarse filtration, multi-times fine filtration, ultra-filtration and nano-filtration, so that the recycle cost of the machining cleaning solution is reduced, the recycle rate of the machining cleaning solution is improved, the quality of the recycled machining cleaning solution is improved, and the system and the method have significant economic benefit and environment-friendly value.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a system and method for concentrating and recovering effective components of a machining cleaning liquid. Background technique [0002] In the recycling process of machining cleaning fluid, coarse filtration and multiple fine filtration are usually used for processing and recycling, or chemical substances are used to put waste liquid raw materials, so that the acid-base neutralization reaction and redox reaction mechanism are used. Combined with sedimentation technology to remove particulate matter and other impurities in the waste liquid raw material, and remove the water in it by evaporation and concentration, thereby reducing the water content in the waste liquid raw material, however, for the treatment of the waste liquid raw material using the above technology When it is used, it will often lead to chemical changes in the active components of the machining clean...

Claims

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Application Information

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IPC IPC(8): C02F9/02
Inventor 梁松苗王思亮蔡志奇吴宗策金焱
Owner VONTRON MEMBRANE TECH CO LTD
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