CN111076191A - Comprehensive treatment device for waste paint slag - Google Patents
Comprehensive treatment device for waste paint slag Download PDFInfo
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- CN111076191A CN111076191A CN202010010509.XA CN202010010509A CN111076191A CN 111076191 A CN111076191 A CN 111076191A CN 202010010509 A CN202010010509 A CN 202010010509A CN 111076191 A CN111076191 A CN 111076191A
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- 239000007789 gas Substances 0.000 abstract description 67
- 239000012071 phase Substances 0.000 abstract description 58
- 238000005191 phase separation Methods 0.000 abstract description 57
- 239000002699 waste material Substances 0.000 abstract description 50
- 239000003973 paint Substances 0.000 abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 42
- 239000002893 slag Substances 0.000 abstract description 39
- 238000002485 combustion reaction Methods 0.000 abstract description 30
- 238000000926 separation method Methods 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 19
- 239000003546 flue gas Substances 0.000 abstract description 19
- 239000000446 fuel Substances 0.000 abstract description 16
- 239000002912 waste gas Substances 0.000 abstract description 15
- 239000007791 liquid phase Substances 0.000 abstract description 11
- 239000010815 organic waste Substances 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 28
- 235000019198 oils Nutrition 0.000 description 20
- 238000007599 discharging Methods 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 14
- 239000007790 solid phase Substances 0.000 description 13
- 239000007792 gaseous phase Substances 0.000 description 7
- 238000012806 monitoring device Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/303—Burning pyrogases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a waste paint slag comprehensive treatment device, which vaporizes or thermally separates waste paint slag in an anaerobic intermittent thermal phase separation device to convert organic matters in the waste paint slag or large molecular weight organic matters into combustible gas with small molecular weight so as to realize the separation of organic wastes from waste slag, oil gas generated by thermal phase separation in the intermittent thermal phase separation device realizes the separation of liquid phase and noncondensable gas through a heat exchange device, the liquid phase realizes the separation of oil phase and water phase through an oil-water separation device, the water phase can be used as spray water for separating waste slag, reducing temperature and removing dust in the intermittent thermal phase separation device, meanwhile, the separated oil phase and the non-condensable gas can be used as fuel of the intermittent thermal phase separation device to provide energy for thermal phase separation, the surplus non-condensable gas can be combusted through the waste gas combustion device, and the flue gas generated by combustion of the non-condensable gas and the flue gas generated by combustion of the fuel of the intermittent thermal phase separation device can be treated through the tail gas treatment device and then discharged into the air after reaching the standard. The waste paint slag is subjected to reduction, harmless and recycling treatment through the waste paint slag comprehensive treatment device.
Description
Technical Field
The invention relates to the technical field of waste paint slag treatment, in particular to a waste paint slag comprehensive treatment device.
Background
With the rapid development of the industry in China, the using amount of paint is increased year by year, and the amount of waste paint slag generated along with the using amount of the paint is also increased year by year. The waste paint slag contains a large amount of organic compounds, can cause certain toxic action on social environment and human health, and belongs to dangerous waste. At present, the following treatment modes are mainly adopted for waste paint slag: and (4) landfill and incineration. Landfill is the simplest method for treating waste paint slag, but occupies a large amount of land resources and is easy to cause pollution to underground water and soil; the burning method can quickly remove harmful components in the waste paint slag, but harmful gas generated by burning easily causes serious secondary pollution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a waste paint slag comprehensive treatment device, which is characterized in that organic matters in waste paint slag are vaporized or thermally separated in an anaerobic intermittent thermal phase separation device to convert the organic matters into combustible gas with small molecular weight or convert the organic matters into combustible gas with small molecular weight, so that the organic wastes are separated from carbonized waste slag, oil gas generated by thermal phase separation in the intermittent thermal phase separation device is separated from noncondensable gas through a heat exchange device, the liquid phase is separated from the water phase through an oil-water separation device, the water phase can be used as spray water for cooling and dedusting the carbonized waste slag separated by the intermittent thermal phase separation device, meanwhile, the separated oil phase and the noncondensable gas can be used as fuel of the intermittent thermal phase separation device to provide energy for thermal phase separation, the residual noncondensable gas can be combusted through a waste gas combustion device, and the flue gas combusted by the noncondensable gas and the flue gas combusted by the fuel of the intermittent thermal phase separation device can be Is discharged to the air. The waste paint slag is subjected to reduction, harmless and recycling treatment through the waste paint slag comprehensive treatment device.
The aim of the invention is achieved by the following technical measures: a comprehensive treatment device for waste paint residues comprises a feeding device, an intermittent thermal phase separation device, a discharging device, a heat exchange device, a heat dissipation device, an oil-water separation device, a waste gas combustion device and a tail gas treatment device, wherein the feeding device is connected with an inlet of the intermittent thermal phase separation device, the intermittent thermal phase separation device is provided with a gas phase outlet and a solid phase outlet, the solid phase outlet is connected with the discharging device, the discharging device is used for conveying solid materials in the intermittent thermal phase separation device, the gas phase outlet is connected with an inlet of the heat exchange device, the heat dissipation device is used for providing a cold source for the heat exchange device, the heat exchange device is provided with a liquid phase outlet and a gas phase outlet, the liquid phase outlet is connected with an inlet of the oil-water separation device, the oil phase outlet and a water phase outlet are arranged on the heat exchange device, and the gas phase outlet of the heat exchange, and the outlet of the waste gas combustion device is connected with the inlet of the tail gas treatment device.
Further, a gas phase outlet of the heat exchange device is divided into 2 paths, wherein one path is connected with an inlet of the waste gas combustion device, the other path is conveyed to the intermittent thermal phase separation device through a pipeline, and a gas phase in the heat exchange device is used as fuel of the intermittent thermal phase separation device.
Further, an oil phase outlet of the oil-water separation device is conveyed to the intermittent thermal phase separation device through a pipeline, and the oil phase of the oil-water separation device is used as fuel of the intermittent thermal phase separation device.
Furthermore, the comprehensive treatment device for the waste paint residues further comprises a natural gas pipeline, wherein the natural gas pipeline comprises 2 paths, one path of natural gas pipeline is connected with the intermittent thermal phase separation device and used for providing fuel for the intermittent thermal phase separation device, and the other path of natural gas pipeline is connected with the waste gas combustion device and used for supporting combustion.
Further, intermittent type thermal phase separator includes cartridge heater, furnace and combustor, the cartridge heater runs through furnace, the cartridge heater can the furnace internal rotation, the combustor with furnace is connected, the combustor is used for doing furnace provides the flue gas, the flue gas is used for doing the cartridge heater provides the heat source.
Furthermore, a flue gas outlet is arranged on the hearth and connected with an inlet of the tail gas treatment device.
Further, the comprehensive treatment device for the waste paint slag further comprises an air pipeline, an air inlet is further formed in the hearth, and the air pipeline is connected with the air inlet and used for providing a cold source for the intermittent thermal phase separation device.
Furthermore, the water phase discharged from the water phase outlet of the oil-water separation device can be used for spraying and dedusting the solid phase output by the discharging device.
Furthermore, the comprehensive treatment device for the waste paint residues further comprises a power distribution device, and the power distribution device provides power guarantee for the automatic control of the comprehensive treatment device for the waste paint residues.
Compared with the prior art, the invention has the beneficial effects that: a waste paint slag comprehensive treatment device is characterized in that waste paint slag is vaporized or thermally separated in an oxygen-insulated intermittent thermal phase separation device, organic matters in the waste paint slag are vaporized or organic matters with large molecular weight are converted into combustible gas with small molecular weight, the separation of organic wastes from carbonized waste slag is realized, oil gas generated by thermal phase separation in the intermittent thermal phase separation device is separated into liquid phase and noncondensable gas through a heat exchange device, the separation of oil phase and water phase is realized through an oil-water separation device in the liquid phase, and the water phase can be used as spray water for cooling and dedusting the carbonized waste slag separated by the intermittent thermal phase separation device, meanwhile, the separated oil phase and the non-condensable gas can be used as fuel of the intermittent thermal phase separation device to provide energy for thermal phase separation, the surplus non-condensable gas can be subjected to combustion treatment through the waste gas combustion device, and the flue gas generated by combustion of the non-condensable gas and the flue gas generated by combustion of the fuel of the intermittent thermal phase separation device can be treated by the tail gas treatment device and then discharged into the air after reaching the standard. The waste paint slag is subjected to reduction, harmless and recycling treatment through the waste paint slag comprehensive treatment device.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the comprehensive treatment device for waste paint slag.
FIG. 2 is a schematic view of the structure of a batch thermal phase separation apparatus.
The system comprises a feeding device 1, an intermittent thermal phase separation device 2, a discharging device 3, a heat exchange device 4, a heat dissipation device 5, an oil-water separation device 6, a waste gas combustion device 7, a tail gas treatment device 8, a heating cylinder 9, a hearth 10 and a burner 11.
Detailed Description
As shown in fig. 1 to 2, the comprehensive treatment device for waste paint residues comprises a feeding device 1, an intermittent thermal phase separation device 2, a discharging device 3, a heat exchange device 4, a heat dissipation device 5, an oil-water separation device 6, a waste gas combustion device 7 and a tail gas treatment device 8, wherein the feeding device 1 is connected with an inlet of the intermittent thermal phase separation device 2, the intermittent thermal phase separation device 2 is provided with a gas phase outlet and a solid phase outlet, and further preferably, the gas phase outlet and the solid phase outlet are controlled by a valve, when the gas phase outlet is opened, the solid phase outlet is closed, and when the solid phase outlet is opened, the gas phase outlet is closed. The solid phase outlet is connected with the discharging device 3, and the discharging device 3 is used for conveying solid materials in the intermittent thermal phase separation device 2. Further preferably, the solid material output by the discharging device 3 can enter a grinding device for grinding, and the powder recovered by grinding can be used as a functional pigment (filler). The gaseous phase export with heat transfer device 4's access connection, heat abstractor 5 is used for doing heat transfer device 4 provides the cold source, heat transfer device 4 is equipped with liquid phase export and gaseous phase export, the liquid phase export with oil water separator 6's access connection, oil water separator 6 is equipped with oil phase export and water phase export, heat transfer device 4's gaseous phase export with exhaust gas combustion device 7's access connection, exhaust gas combustion device 7's export with tail gas treatment device 8's access connection, further preferred, waste paint sediment integrated processing device still includes the chimney, tail gas treatment device 8's export and chimney are connected, and tail gas accessible chimney after tail gas treatment is up to standard discharges in the air.
And a gas phase outlet of the heat exchange device 4 is divided into 2 paths, wherein one path is connected with an inlet of the waste gas combustion device 7, the other path is conveyed to the intermittent thermal phase separation device 2 through a pipeline, and a gas phase in the heat exchange device 4 is used as fuel of the intermittent thermal phase separation device 2. Further preferably, a flow monitoring device is arranged at a gas phase outlet of the heat exchange device 4, a valve is arranged between the gas phase outlet and an inlet of the waste gas combustion device 7, the gas phase flow is monitored through the flow monitoring device, the valve between the gas phase outlet and the waste gas combustion device 7 is controlled to be opened and closed according to the gas phase flow, and the introduction amount of natural gas in the intermittent thermal phase separation device 2 can be adjusted according to the gas phase flow. The gas phase of the heat exchange device 4 is preferentially conveyed into the intermittent thermal phase separation device 2 to be used as fuel, and the surplus gas phase is conveyed into the waste gas combustion device 7 to be combusted.
An oil phase outlet of the oil-water separation device 6 is conveyed to the intermittent thermal phase separation device 2 through a pipeline, and the oil phase of the oil-water separation device 6 is used as fuel of the intermittent thermal phase separation device 2.
The comprehensive treatment device for the waste paint residues further comprises a natural gas pipeline, wherein the natural gas pipeline comprises 2 paths, one path of natural gas pipeline is connected with the intermittent thermal phase separation device 2 and is used for providing fuel for the intermittent thermal phase separation device 2, and the other path of natural gas pipeline is connected with the waste gas combustion device 7 and is used for supporting combustion.
Intermittent type hot phase separator 2 includes cartridge heater 9, furnace 10 and combustor 11, cartridge heater 9 runs through furnace 10, cartridge heater 9 can the furnace 10 internal rotation, it is further preferred, cartridge heater bottom 9 and furnace 10 bottom contactless have a certain interval, avoid cartridge heater 9 and furnace 10 interior flame direct contact, cause the damage of cartridge heater 9. The burner 11 is connected with the hearth 10, and further preferably, a blower is arranged on the burner 11 and used for providing air for fuel combustion. The burner 11 is used for providing flue gas for the hearth 10, and the flue gas is used for providing a heat source for the heating cylinder 9. Preferably, a temperature and pressure monitoring device is arranged on the hearth 10, the temperature and pressure in the hearth 10 are monitored through the detection device, and then the introduction amount of the natural gas is adjusted according to the monitoring conditions of the temperature and the pressure.
And a flue gas outlet is arranged on the hearth 10 and is connected with an inlet of the tail gas treatment device 8. The flue gas in the furnace 10 is discharged into the air after being treated by tail gas to reach the standard, so that the flue gas is prevented from being directly discharged to pollute the environment.
The comprehensive treatment device for the waste paint slag further comprises an air pipeline, an air inlet is further formed in the hearth 10, and the air pipeline is connected with the air inlet and used for providing a cold source for the intermittent thermal phase separation device 2. When the reaction of the waste paint slag comprehensive treatment device is finished, air is introduced into the hearth 10 to cool the hearth 10, and preparation is made for the next reaction.
The water phase discharged from the water phase outlet of the oil-water separation device 6 can be used for spraying and dedusting the solid phase output by the discharging device 3, so that dust pollution caused by high-temperature materials in the conveying process can be prevented, and the resources can be recycled.
The comprehensive treatment device for the waste paint slag further comprises a power distribution device, and the power distribution device is used for providing power guarantee for automatic control of the comprehensive treatment device for the waste paint slag. The comprehensive treatment device for the waste paint slag is automatically controlled by the power distribution device, so that local operation and remote centralized control operation can be realized; monitoring the running state of each device, and realizing data acquisition and device monitoring at key process points; the visual man-machine operation interface is simple and convenient to control and view data.
The working principle is as follows:
when the comprehensive treatment device for waste paint slag works, the feeding device 1 conveys the waste paint slag into the intermittent thermal phase separation device 2, then a valve between the feeding device 1 and the intermittent thermal phase separation device 2 is closed, an air inlet on the hearth 10 is closed, a flue gas outlet on the hearth 10 is opened, a solid phase outlet on the intermittent thermal phase separation device 2 is closed, a gas phase outlet on the intermittent thermal phase separation device 2 is opened, a natural gas pipeline conveys natural gas into the combustor 11 for combustion, the flue gas generated by combustion enters the hearth 10, and the flue gas heats the heating cylinder 9. The waste paint slag in the heating cylinder 9 is heated, the organic waste is vaporized and even thermally separated, the water vapor and the oil vapor generated after vaporization and thermal separation are discharged through a gas phase outlet on the intermittent thermal phase separation device 2 and enter the heat exchange device 4, and at the moment, a solid phase outlet of the intermittent thermal phase separation device 2 is in a closed state. The water vapor and the oil vapor entering the heat exchange device 4 exchange heat with the cooling circulating water provided by the heat dissipation device 5, and the oil-water mixture of the water vapor and part of the oil vapor condensed into a liquid phase is discharged from a liquid phase outlet in the heat exchange device 4 and enters the oil-water separation device 6. The part of oil vapor that does not condense in heat transfer device 4 is discharged as noncondensable gas from heat transfer device 4's gaseous phase export, and the flow monitoring device of gaseous phase export simultaneously monitors the flow of the noncondensable gas of production, and noncondensable gas is carried as the fuel through gaseous phase export and is burnt in the combustor 11 of intermittent type hot phase separation device 2, and the valve between gaseous phase export and exhaust gas combustion device 7 is closed this moment. The oil-water mixture introduced into the oil-water separator 6 is separated into an oil phase and a water phase in the separator, the water phase is discharged from the water phase outlet, and the oil phase is fed from the oil phase outlet to the combustor 11 of the batch thermal phase separator 2 and burned as a fuel. During the operation of the comprehensive treatment device for the waste paint residues, the flue gas in the hearth 10 is conveyed to the tail gas treatment device 8 through a pipeline, and is discharged into the air through a chimney after reaching the standard after being treated.
When the comprehensive treatment device for waste paint residues works, if the flow of the non-condensable gas monitored by the heat exchange device 4 gas-phase outlet flow monitoring device is too large, a valve between a gas-phase outlet and the waste gas combustion device 7 can be opened, meanwhile, under the combustion supporting effect of natural gas, the rich non-condensable gas is combusted, and flue gas generated after combustion enters the tail gas treatment device 8 to be treated and is discharged into the air through a chimney after reaching the standard.
When the comprehensive treatment device for waste paint slag works, if the temperature and pressure monitoring devices on the hearth 10 monitor that the temperature and pressure in the hearth 10 are too high or the flow of non-condensable gas is large, the introduction amount of natural gas can be reduced.
When the comprehensive treatment device for the waste paint residues finishes working, air is introduced into the hearth 10 through an air pipeline to cool the intermittent thermal phase separation device 2. And (3) stopping introducing air after cooling, closing a gas phase outlet of the intermittent thermal phase separation device 2, opening a solid phase outlet, discharging solid waste residues in the intermittent thermal phase separation device 2 from the solid phase outlet, entering the discharging device 3, and discharging from the discharging device 3, wherein the water phase separated by the oil-water separation device 6 can be used for spraying the solid waste residues, so that the environment is prevented from being polluted by dust.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a waste paint sediment integrated processing device, its characterized in that includes feed arrangement, intermittent type heat phase separator, discharging device, heat transfer device, heat abstractor, oil water separator, waste gas combustion device and tail gas processing apparatus, feed arrangement with intermittent type heat phase separator's access connection, intermittent type heat phase separator is equipped with gaseous phase export and solid phase export, the solid phase export with discharging device connects, discharging device is used for carrying the solid material in the intermittent type heat phase separator, gaseous phase export with heat transfer device's access connection, heat abstractor is used for providing the cold source for heat transfer device, heat transfer device is equipped with liquid phase export and gaseous phase export, the liquid phase export with oil water separator's access connection, oil water separator is equipped with oil phase export and aqueous phase export, heat transfer device's gaseous phase export with waste gas combustion device's access connection, and the outlet of the waste gas combustion device is connected with the inlet of the tail gas treatment device.
2. The comprehensive treatment device for waste paint residues according to claim 1, which is characterized in that: and a gas phase outlet of the heat exchange device is divided into 2 paths, wherein one path is connected with an inlet of the waste gas combustion device, the other path is conveyed to the intermittent thermal phase separation device through a pipeline, and a gas phase in the heat exchange device is used as fuel of the intermittent thermal phase separation device.
3. The comprehensive treatment device for waste paint residues according to claim 1, which is characterized in that: and an oil phase outlet of the oil-water separation device is conveyed to the intermittent thermal phase separation device through a pipeline, and an oil phase of the oil-water separation device is used as fuel of the intermittent thermal phase separation device.
4. The comprehensive treatment device for waste paint residues according to claim 1, which is characterized in that: the comprehensive treatment device for the waste paint residues further comprises a natural gas pipeline, wherein the natural gas pipeline comprises 2 paths, one path of natural gas pipeline is connected with the intermittent thermal phase separation device and used for providing fuel for the intermittent thermal phase separation device, and the other path of natural gas pipeline is connected with the waste gas combustion device and used for supporting combustion.
5. The comprehensive treatment device for waste paint residues according to any one of claims 1 to 4, characterized in that: intermittent type hot phase separator includes cartridge heater, furnace and combustor, the cartridge heater runs through furnace, the cartridge heater can the furnace internal rotation, the combustor with furnace connects, the combustor is used for doing furnace provides the flue gas, the flue gas is used for doing the cartridge heater provides the heat source.
6. The comprehensive treatment device for waste paint residues according to claim 5, characterized in that: and a flue gas outlet is arranged on the hearth and is connected with an inlet of the tail gas treatment device.
7. The comprehensive treatment device for waste paint residues according to claim 5, characterized in that: the comprehensive treatment device for the waste paint slag further comprises an air pipeline, an air inlet is further formed in the hearth, and the air pipeline is connected with the air inlet and used for providing a cold source for the intermittent thermal phase separation device.
8. The comprehensive treatment device for waste paint residues according to claim 1, which is characterized in that: and the water phase discharged from the water phase outlet of the oil-water separation device can be used for spraying and dedusting the solid phase output by the discharging device.
9. The comprehensive treatment device for waste paint residues according to claim 1, which is characterized in that: the comprehensive treatment device for the waste paint slag further comprises a power distribution device, and the power distribution device is used for providing power guarantee for automatic control of the comprehensive treatment device for the waste paint slag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010509.XA CN111076191A (en) | 2020-01-06 | 2020-01-06 | Comprehensive treatment device for waste paint slag |
| PCT/CN2020/072528 WO2021138933A1 (en) | 2020-01-06 | 2020-01-16 | Comprehensive treatment device for waste paint slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010509.XA CN111076191A (en) | 2020-01-06 | 2020-01-06 | Comprehensive treatment device for waste paint slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076191A true CN111076191A (en) | 2020-04-28 |
Family
ID=70322230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010010509.XA Pending CN111076191A (en) | 2020-01-06 | 2020-01-06 | Comprehensive treatment device for waste paint slag |
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| CN (1) | CN111076191A (en) |
| WO (1) | WO2021138933A1 (en) |
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| CN113649402B (en) * | 2021-08-23 | 2024-05-10 | 泰安乐邦环保科技有限公司 | Paint slag recycling device and method |
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