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Solid-liquid separation system and device provided with system

A solid-liquid separation and oil tank technology, which is applied in the field of solid-liquid separation systems and equipment with the system, can solve the problems that organic solvents and water cannot be completely separated, process pollution problems are not taken into account, and safety factors are uncertain, etc. Separation standard, improving resource utilization, preventing sticking effect

Pending Publication Date: 2018-01-16
江苏瑞德斯环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] There are also a lot of researches in China trying to utilize them as resources, but in the existing technologies, some are purely for the recovery of organic solvents, without considering the pollution caused by the process to the environment, and some have uncertain safety factors in the process of processing, and some In the process of processing, mucous membrane wrapping bubbles will be formed, so that the organic solvent and water cannot be completely separated, and the recovery effect is not ideal

Method used

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  • Solid-liquid separation system and device provided with system
  • Solid-liquid separation system and device provided with system

Examples

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Embodiment 1

[0048] Such as figure 1 As shown, a waste paint slag reduction and drying equipment includes: a solid-liquid separation system 1 , a liquid-liquid separator 2 , a gas-liquid conversion system 3 , a cooling silo 4 , and a waste gas treatment system 5 .

[0049] Put the waste paint slag into the solid-liquid separation system 1, dry it under negative pressure, extract the water vapor, sewage, and organic solvent generated during the drying process, and realize solid-liquid separation; dry the waste paint slag after a certain period of time sent to the cooling silo 4 for cooling treatment; the extracted sewage and organic solvent enter the liquid-liquid separator 2 for separation, the organic solvent can be recycled after being stored in the storage box, and the sewage enters the sewage treatment system for treatment and discharge after reaching the standard; The exhausted gas enters the gas-liquid conversion system 3 for treatment, the separated waste gas is discharged up to the...

Embodiment 2

[0101] Such as Figure 18 As shown, the present invention provides a kind of waste paint slag reduction drying process, comprising the following steps:

[0102] In the first step, the waste paint slag is put into the drying host in the solid-liquid separation system 1 for drying, and the drying host is set as a negative pressure environment;

[0103] In the second step, the water vapor and organic solvent generated in the solid-liquid separation system 1 are cooled by the refrigerating unit 34 to realize gas-liquid conversion;

[0104] In the third step, the water vapor and organic solvent are pumped out with a vacuum pump, and the gas enters the exhaust gas treatment system 5, and is discharged after the treatment reaches the standard, and the organic solvent is recycled;

[0105] In the fourth step, the liquid obtained from the solid-liquid separation system 1 and the gas-liquid conversion system 2 is sewage and organic solvent, and the organic solvent is recycled through t...

Embodiment 3

[0109] The difference between this embodiment and the above-mentioned embodiment is that the thermometer of a device for reducing and drying waste paint slag can use a glass rod thermometer or a platinum thermal resistance sheet. Because the movement of gas molecules is very inactive under vacuum conditions, ordinary thermometers cannot display the real temperature of waste paint residue, but can only indicate the relative temperature of waste paint residue. The position indicated by the mercury column of the left-point thermometer does not decrease with the decrease of temperature, but remains and indicates the highest point ever reached; platinum thermal resistance elements usually use industrial mica platinum resistance as the temperature measurement sensor, and the temperature transmitter , regulators and display instruments are used together to form a process control system, which can be used to directly measure or control the temperature of liquid, steam and gas media and...

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Abstract

The invention discloses a solid-liquid separation system and a device provided with the system. The solid-liquid separation system comprises a drying box and a heat conducting oil tank, wherein a drying rack tube is arranged in the drying box and processes a material in a heat insulating process, the heat conducting oil tank comprises a plurality of electric heating tubes for heating heat conducting oil and provide a heat source for the drying box. After the heat conducting oil is heated by the heat conducting oil tank, the oil flows into the drying rack tube of the drying box and used for heating the material, water and an organic solvent evaporate in the heating process, separation with the material is achieved, finally the heat conducting oil flows back to the heat conducting oil tank again for reheating. The inside of the drying box is a negative pressure environment. On one hand, boiling points of the water the organic solvent are reduced, and the water the organic solvent are evaporated out at lower temperature; on the other hand, formation of sticky film wrapped air bubbles in the drying process of waste paint residues is destroyed, so that the dried waste paint residues arein honeycomb block shapes, the core wrapping problem is solved, thorough dryness is achieved, the working efficiency of the solid-liquid separation system is effectively improved, and the solid-liquid separation system has higher drying efficiency and is environmentally friendly and economic.

Description

technical field [0001] The invention relates to the technical field of sludge drying, in particular to a solid-liquid separation system and equipment with the system. Background technique [0002] With the development of industries such as automobiles and home appliances, there are more and more industrial wastes. How to effectively deal with these industrial wastes has become an urgent matter for various manufacturers, and the cost of occupying the earth's resources is also getting higher and higher, especially waste Proper treatment of paint slag and reduction of waste paint slag are imminent. [0003] There are also a lot of researches in China trying to utilize them as resources, but in the existing technologies, some are purely for the recovery of organic solvents, without considering the pollution caused by the process to the environment, and some have uncertain safety factors in the process of processing, and some In the process of processing, mucous membrane wrappin...

Claims

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Application Information

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IPC IPC(8): F26B5/04F26B9/06F26B23/10F26B25/18F26B25/06F26B25/00B01D53/04
Inventor 何旭红徐立农丁磊陆建峰孙学路
Owner 江苏瑞德斯环保科技有限公司
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