CN212403456U - Plasma gasification treatment system for waste emulsion - Google Patents
Plasma gasification treatment system for waste emulsion Download PDFInfo
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- CN212403456U CN212403456U CN202020368792.9U CN202020368792U CN212403456U CN 212403456 U CN212403456 U CN 212403456U CN 202020368792 U CN202020368792 U CN 202020368792U CN 212403456 U CN212403456 U CN 212403456U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model relates to a useless emulsion plasma gasification processing system, include: the system comprises a waste emulsion pretreatment system, a plasma heat treatment system, a waste heat recovery device and a synthesis gas purification device; useless emulsion pretreatment systems includes: a waste emulsion concentrating device and a filtering device; the plasma thermal processing system includes: the device comprises a plasma gasification furnace, a gas-liquid separation device and a gas-liquid separation device, wherein the plasma gasification furnace is used as a reactor for gasification reaction of waste emulsion, two plasma torches are arranged at the lower part of the side wall of the plasma gasification furnace, and a nozzle is arranged at the upper part of the side wall of the plasma gasification furnace; the waste heat recovery device comprises: preheating a boiler; the syngas purification apparatus comprises: a dust remover and a deacidification device; this system passes through the plasma gasification technique, converts the organic matter in the useless emulsion into the synthetic gas that can burn, and the inorganic matter in the useless emulsion converts vitreous fused slag into, can not cause secondary pollution, reaches the resourceization and the innoxious of useless emulsion.
Description
Technical Field
The utility model relates to a waste emulsion resourceful treatment system mainly uses in waste emulsion field of handling, can realize minimizing, resourceization, innoxious of waste emulsion.
Background
The emulsion is a complex mixture of oil, water, surfactant, electrolyte, etc. The waste emulsion is an emulsion which has no use value in production and living, has very high emulsion stability, oil content, COD value, chroma and the like, and simultaneously contains a large amount of surfactant. Mainly comes from waste emulsion produced in the industries of electronic equipment manufacturing, petrochemical industry, metal smelting, printing, textile, grease, electric power and the like.
The currently common waste emulsion treatment methods mainly comprise a physical method, a physical and chemical method, a biochemical method and the like. 1) The physical method mainly comprises a gravity separation method, a centrifugal method, a coarse granulation method, a membrane separation method and the like. 2) The physical and chemical methods mainly comprise an air floatation method, an adsorption method, an electromagnetic adsorption method and the like. 3) The chemical method mainly comprises an acidification method, a salting-out method, an electrochemical method, a chemical oxidation method, a chemical flocculation method, a micro-electrolysis method and the like. 4) The biochemical method is divided into two main types of aerobic and anaerobic treatment methods.
However, various treatment methods for waste emulsion have limitations, and in the actual treatment process, only a reasonable treatment method can be selected according to the components of the waste emulsion, the existing form of oil, the recycling depth, the discharge mode and the like, or a plurality of treatment methods can be selected according to the components and the properties of the waste emulsion to be treated.
The not enough of technique is dealt with to current useless emulsion, the utility model provides a useless emulsion plasma gasification processing system, this system pass through plasma gasification technique, convert the organic matter in the useless emulsion into combustible synthesis gas, and the inorganic matter in the useless emulsion converts vitreous fusion sediment into, can not cause secondary pollution, reaches the resourceization and the innoxiousness of useless emulsion.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a useless emulsion plasma gasification processing system.
A waste emulsion plasma gasification processing system, comprising: the system comprises a waste emulsion pretreatment system 1, a plasma heat treatment system 2, a waste heat recovery device 3 and a synthesis gas purification device 4;
waste emulsion pretreatment system 1 includes: a waste emulsion concentrating device 5 and a filtering device 6; the plasma heat treatment system 2 includes: the device comprises a plasma gasification furnace 7, wherein the plasma gasification furnace 7 is used as a reactor for gasification reaction of waste emulsion, two plasma torches 8 are arranged at the lower part of the side wall of the plasma gasification furnace 7, and a nozzle 9 is arranged at the upper part of the side wall of the plasma gasification furnace 7; the waste heat recovery device 3 includes: a waste heat boiler 10; the synthesis gas purification apparatus 4 includes: a dust collector 11 and a deacidification device 12;
the outlet of the waste emulsion concentrating device 5 is connected with the inlet of the filtering device 6, the outlet of the filtering device 6 is connected with the nozzle 9 on the plasma gasification furnace 7, the outlet of the plasma gasification furnace 7 is connected with the inlet of the waste heat boiler 10, the outlet of the waste heat boiler 10 is connected with the inlet of the dust remover 11, and the outlet of the dust remover 11 is connected with the inlet of the deacidification device 12;
the waste emulsion enters from an inlet of a waste emulsion concentration device 5, the waste emulsion concentration device 5 is used for concentrating the waste emulsion, the mass fraction of emulsified oil in the waste emulsion is increased to 50%, and the electric energy consumption in the waste emulsion treatment process is greatly reduced; the filtering device 6 is used for filtering suspended matters in the concentrated waste emulsion to ensure that the viscosity of the waste emulsion is less than 60mm2The suspended particles are less than 40 meshes, so that the atomization effect of the nozzle 9 is improved; nozzle 9 is used for atomizing useless emulsion, makes useless emulsion spout plasma gasification stove 7 in with vaporific, plasma torch 8 is used for producing 5000 ℃ high-temperature gas through electric arc, provides the heat source for plasma gasification stove 7, makes the temperature in plasma gasification stove 7 reach more than 1500 ℃, plasma gasification stove 7 is arranged in inorganic matter such as the metallic component with among the useless emulsion and forms the slag to waiting inorganic matter such asDischarging from a slag outlet at the bottom of the ion gasification furnace 7, converting organic matters in the waste emulsion into combustible synthetic gas, and discharging the synthetic gas from the top of the plasma gasification furnace 7 into a waste heat boiler 10; the waste heat boiler 10 is used for carrying out quenching treatment on the synthesis gas, water in the waste heat boiler 10 is converted into medium-pressure or high-pressure steam by utilizing the released heat, and the dust remover 11 is used for removing particulate matters such as fly ash in the synthesis gas and reducing smoke dust emission; the deacidification apparatus 12 is used to remove acid gases from the syngas.
On the basis of the scheme, the temperature of the synthesis gas is not lower than 1200 ℃, and the synthesis gas is H2CO and part of organic gases, etc. as main components.
On the basis of the scheme, a reusable product can be obtained from the molten slag, and the reusable product comprises: synthetic metals for the metallurgical industry and vitreous base slags for building and grinding materials.
On the basis of the scheme, the medium-pressure or high-pressure steam is used for generating power by a steam turbine; the low-pressure steam generated by the steam turbine can be supplied to other heat-consuming equipment or other enterprises for use.
On the basis of the scheme, the synthesis gas purified by the synthesis gas purification device 4 is used as a chemical raw material to produce other products or used as an auxiliary fuel of a power plant.
The utility model discloses the beneficial effect who brings:
1. the utility model discloses a plasma furnace operating temperature is above 1500 ℃, and the organic matter can dewater rapidly, gasify and the schizolysis, can guarantee to purify the innoxious of back exhaust gas. The incombustible inorganic components in the waste emulsion are converted into harmless slag after plasma high-temperature treatment, and can be used as building materials, such as glass or metal.
2. The plasma heat treatment system of the utility model only consumes electric energy, does not need external heat source, can recover heat in the synthesis gas through the waste heat recovery device, converts the heat into medium-pressure or high-pressure steam, and can be used for power generation of the steam turbine; meanwhile, the purified synthesis gas can be used as an auxiliary fuel of a power plant, and the maximum utilization of resources is realized.
3. The water in the waste emulsion of the utility model participates in the gasification reaction together, and CO and H are added2The generation of synthesis gas as the main part improves the pollutant treatment effect and the resource recovery efficiency.
4. The utility model discloses a resourceization and innocent treatment of useless emulsion, no secondary pollution can realize the thorough processing of useless emulsion, and the synthetic gas can regard as clean energy, and the vitreous waste of production also can be used to usage such as building material.
5. The utility model discloses can realize automated control and modular design, area is little, can construct in producing useless unit field, reduces the useless transportation of danger and handles the risk of flow direction management.
Drawings
The utility model discloses there is following figure:
fig. 1 is a system block diagram of the present invention.
In the figure: 1-waste emulsion pretreatment system, 2-plasma heat treatment system, 3-waste heat recovery device, 4-synthesis gas purification device, 5-waste emulsion concentration device, 6-filtering device, 7-plasma gasification furnace, 8-plasma torch, 9-nozzle, 10-waste heat boiler, 11-dust remover and 12-deacidification device.
Detailed Description
The present invention will be described in further detail with reference to fig. 1.
As shown in fig. 1, the utility model provides a pair of process systems who handles useless emulsion with plasma gasification technique, include: the system comprises a waste emulsion pretreatment system 1, a plasma heat treatment system 2, a waste heat recovery device 3 and a synthesis gas purification device 4.
Waste emulsion pretreatment system 1 includes: a waste emulsion concentrating device 5 and a filtering device 6; the plasma heat treatment system 2 includes: the device comprises a plasma gasification furnace 7, wherein the plasma gasification furnace 7 is used as a reactor for gasification reaction of waste emulsion, two plasma torches 8 are arranged at the lower part of the side wall of the plasma gasification furnace 7, and a nozzle 9 is arranged at the upper part of the side wall of the plasma gasification furnace 7; the waste heat recovery device 3 includes: a waste heat boiler 10; the synthesis gas purification apparatus 4 includes: a dust collector 11 and a deacidification device 12;
the outlet of the waste emulsion concentrating device 5 is connected with the inlet of the filtering device 6, the outlet of the filtering device 6 is connected with the nozzle 9 on the plasma gasification furnace 7, the outlet of the plasma gasification furnace 7 is connected with the inlet of the waste heat boiler 10, the outlet of the waste heat boiler 10 is connected with the inlet of the dust remover 11, and the outlet of the dust remover 11 is connected with the inlet of the deacidification device 12;
the waste emulsion enters from an inlet of a waste emulsion concentration device 5, the waste emulsion concentration device 5 is used for concentrating the waste emulsion, the mass fraction of emulsified oil in the waste emulsion is increased to 50%, and the electric energy consumption in the waste emulsion treatment process is greatly reduced; the filtering device 6 is used for filtering suspended matters in the concentrated waste emulsion to ensure that the viscosity of the waste emulsion is less than 60mm2The suspended particles are less than 40 meshes, so that the atomization effect of the nozzle 9 is improved; the nozzle 9 is used for atomizing the waste emulsion to spray the waste emulsion into the plasma gasification furnace 7 in a mist form, the plasma torch 8 is used for generating high-temperature gas with the temperature of 5000 ℃ through electric arc, so as to provide a heat source for the plasma gasification furnace 7 and enable the temperature in the plasma gasification furnace 7 to reach more than 1500 ℃, the plasma gasification furnace 7 is used for forming inorganic matters such as metal components in the waste emulsion into slag, discharging the slag from a slag outlet at the bottom of the plasma gasification furnace 7 and converting organic matters in the waste emulsion into combustible synthetic gas, and the synthetic gas is discharged from the top of the plasma gasification furnace 7 and enters the waste heat boiler 10; the waste heat boiler 10 is used for carrying out quenching treatment on the synthesis gas, water in the waste heat boiler 10 is converted into medium-pressure or high-pressure steam by utilizing the released heat, and the dust remover 11 is used for removing particulate matters such as fly ash in the synthesis gas and reducing smoke dust emission; the deacidification apparatus 12 is used to remove acid gases from the syngas.
On the basis of the scheme, the temperature of the synthesis gas is not lower than 1200 ℃, and the synthesis gas is H2CO and part of organic gases, etc. as main components.
On the basis of the scheme, a reusable product can be obtained from the molten slag, and the reusable product comprises: synthetic metals for the metallurgical industry and vitreous base slags for building and grinding materials.
On the basis of the scheme, the medium-pressure or high-pressure steam is used for generating power by a steam turbine; the low-pressure steam generated by the steam turbine can be supplied to other heat-consuming equipment or other enterprises for use.
On the basis of the scheme, the synthesis gas purified by the synthesis gas purification device 4 is used as a chemical raw material to produce other products or used as an auxiliary fuel of a power plant.
On the basis of the scheme, the dust remover 11 utilizes the dust-containing airflow to rotate to generate centrifugal force, gas-solid separation is carried out in the centrifugal force, and dust particles are separated and collected from the gas and are used for removing particulate matters in the synthesis gas; the deacidification device 12 removes the acid gas in the synthesis gas by a chemical method to finally obtain the combustible gas with high calorific value.
The utility model discloses a technical key point with want the guard point:
1. a waste emulsion plasma gasification treatment process.
2. The viscosity of the concentrated waste emulsion is less than 60mm2And/s, suspended particles are less than 40 meshes.
3. The plasma torch generates gas by an electric arc at a temperature of 5000 ℃.
4. The temperature in the plasma vaporization furnace was controlled at 1500 ℃.
5. The temperature of the synthesis gas generated from the gasification furnace is not lower than 1200 ℃.
Those not described in detail in this specification are within the skill of the art.
Claims (5)
1. The utility model provides a useless emulsion plasma gasification processing system which characterized in that includes: the system comprises a waste emulsion pretreatment system (1), a plasma heat treatment system (2), a waste heat recovery device (3) and a synthesis gas purification device (4);
the waste emulsion pretreatment system (1) comprises: a waste emulsion concentrating device (5) and a filtering device (6); the plasma thermal processing system (2) comprises: the device comprises a plasma gasification furnace (7), wherein the plasma gasification furnace (7) is used as a reactor for gasification reaction of waste emulsion, two plasma torches (8) are arranged at the lower part of the side wall of the plasma gasification furnace (7), and a nozzle (9) is arranged at the upper part of the side wall of the plasma gasification furnace (7); the waste heat recovery device (3) comprises: a waste heat boiler (10); the synthesis gas purification device (4) comprises: a dust remover (11) and a deacidification device (12);
the outlet of the waste emulsion concentrating device (5) is connected with the inlet of a filtering device (6), the outlet of the filtering device (6) is connected with a nozzle (9) on a plasma gasification furnace (7), the outlet of the plasma gasification furnace (7) is connected with the inlet of a waste heat boiler (10), the outlet of the waste heat boiler (10) is connected with the inlet of a dust remover (11), and the outlet of the dust remover (11) is connected with the inlet of a deacidification device (12);
the waste emulsion enters from an inlet of a waste emulsion concentrating device (5), the waste emulsion concentrating device (5) is used for concentrating the waste emulsion, the mass fraction of emulsified oil in the waste emulsion is increased to 50%, and the electric energy consumption in the waste emulsion treatment process is greatly reduced; the filtering device (6) is used for filtering suspended matters in the concentrated waste emulsion to ensure that the viscosity of the waste emulsion is less than 60mm2The suspended particles are less than 40 meshes, so that the atomization effect of the nozzle (9) is improved; the nozzle (9) is used for atomizing the waste emulsion to spray the waste emulsion into the plasma gasification furnace (7) in a mist form, the plasma torch (8) is used for generating high-temperature gas with the temperature of 5000 ℃ through electric arc, so that a heat source is provided for the plasma gasification furnace (7), the temperature in the plasma gasification furnace (7) reaches above 1500 ℃, the plasma gasification furnace (7) is used for forming inorganic matters in the waste emulsion into slag and discharging the slag at a slag outlet at the bottom of the plasma gasification furnace (7), so that the organic matters in the waste emulsion are converted into combustible synthetic gas, and the synthetic gas is discharged from the top of the plasma gasification furnace (7) and enters the waste heat boiler (10); the waste heat boiler (10) is used for carrying out quenching treatment on the synthetic gas, water in the waste heat boiler (10) is converted into medium-pressure or high-pressure steam by utilizing released heat, and the dust remover (11) is used for removing particulate matters in the synthetic gas and reducing smoke dust emission; the deacidification unit (12) is used for removing acid gases in the synthesis gas.
2. The plasma gasification system for waste emulsion of claim 1, wherein the temperature of the synthesis gas is not less than 1200 ℃.
3. The waste emulsion plasma gasification system of claim 1 wherein a reusable product is obtained from the molten slag, the reusable product comprising: synthetic metals for the metallurgical industry and vitreous base slags for building and grinding materials.
4. The plasma gasification system of waste emulsion of claim 1 wherein said medium or high pressure steam is used in a steam turbine to generate electricity.
5. The plasma gasification system for waste emulsion as claimed in claim 1, wherein the synthesis gas purified by the synthesis gas purification apparatus (4) is used as a chemical raw material or an auxiliary fuel for a power plant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020368792.9U CN212403456U (en) | 2020-03-23 | 2020-03-23 | Plasma gasification treatment system for waste emulsion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020368792.9U CN212403456U (en) | 2020-03-23 | 2020-03-23 | Plasma gasification treatment system for waste emulsion |
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| CN212403456U true CN212403456U (en) | 2021-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498805A (en) * | 2020-03-23 | 2020-08-07 | 北京北控京仪环保科技有限公司 | Plasma gasification treatment system for waste emulsion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498805A (en) * | 2020-03-23 | 2020-08-07 | 北京北控京仪环保科技有限公司 | Plasma gasification treatment system for waste emulsion |
| CN111498805B (en) * | 2020-03-23 | 2024-04-09 | 北京北控京仪环保科技有限公司 | Waste emulsion plasma gasification treatment system |
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