CN214192987U - Oily sludge pyrolysis desorption treatment system - Google Patents
Oily sludge pyrolysis desorption treatment system Download PDFInfo
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- CN214192987U CN214192987U CN202022465256.3U CN202022465256U CN214192987U CN 214192987 U CN214192987 U CN 214192987U CN 202022465256 U CN202022465256 U CN 202022465256U CN 214192987 U CN214192987 U CN 214192987U
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Abstract
The utility model provides an oily sludge pyrolysis desorption treatment system applied to the technical field of oily sludge treatment, the bottom of a transfer bin (1) of the oily sludge pyrolysis desorption treatment system is provided with an anti-bridging stirrer (2) and a double-helix discharging device (3), a feeding scraper conveyor (4) is connected with a pyrolysis desorption furnace quantitative supply device (5), the pyrolysis desorption furnace quantitative supply device (5) is connected with a pyrolysis desorption furnace (9), a furnace shell (10) is provided with a hollow layer (11), hot flue gas conveyed by a hot flue gas conveying part passes through the hollow layer (11), a material flow guide device (12) and a coke hanging prevention device (13) are arranged in the pyrolysis desorption furnace (9), the oily sludge pyrolysis desorption treatment system of the utility model simplifies the oily sludge pyrolysis desorption treatment process, and has high efficiency and high quality to realize the oily sludge pyrolysis desorption treatment after the pretreatment, the oily sludge with pollution property is subjected to environment-friendly treatment by matching with an oily sludge treatment system, so that the environment-friendly requirement is met.
Description
Technical Field
The utility model belongs to the technical field of the oily sludge treatment, more specifically say, relate to an oily sludge pyrolysis desorption processing system.
Background
In industrial production, the kinds of sludge treatment are quite various. While oil-containing sludges are an important class thereof. The oil-containing sludge needs to be subjected to oil-sludge separation. In the prior art, the oily sludge is calculated and respectively comprises liquid oily sludge (oil sludge), semi-solid oily sludge and solid oily sludge according to oil content, water content, solid content, material source and form. For the treatment of the oily sludge, the prior art needs classification treatment and quite complicated process procedures, so that the whole treatment system has a large number of devices, complicated process procedures and obviously increased cost. The pyrolysis desorption treatment of the oily sludge is an important process in the treatment of the oily sludge, and the treatment equipment and the treatment process in the prior art have the defects of complex structure, low automation degree, poor treatment efficiency and quality and can not effectively meet the increasingly improved treatment requirement, so the actual requirement can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the utility model provides a simple structure, equipment reduces, cost reduces, simplifies oily sludge pyrolysis desorption treatment system and process, realizes the oily sludge pyrolysis desorption treatment of oily sludge after pretreatment with high efficiency and high quality, effectively cooperates the oily sludge treatment system to carry out environmental protection treatment to the oily sludge with pollution property, satisfies the oily sludge standard, satisfies the oily sludge pyrolysis desorption treatment system of environmental protection demand.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to an oiliness mud pyrolysis desorption processing system, including the transfer feed bin, transfer feed bin bottom sets up prevents bridging agitator and double helix discharging device, and double helix discharging device connects the material loading and scrapes the trigger, and the material loading is scraped the trigger and is connected pyrolysis desorption stove ration feeding device, and pyrolysis desorption stove ration feeding device includes ration feed bin, feeding device and prevents bridging agitator, decides the material and supply double helix device, and pyrolysis desorption stove ration feeding device connects pyrolysis desorption stove, the stove outer covering of pyrolysis desorption stove set up the hollow layer, the hot flue gas that hot flue gas transport unit carried passes through the hollow layer, sets up material guiding device and prevents hanging burnt device in the pyrolysis desorption stove, pyrolysis desorption stove afterbody connects material cooling conveyor, material cooling conveyor connect and promote and scrape the trigger.
Transfer feed bin bottom prevent bridging agitator set up to the structure that can stir the pending fatlute that gets into the transfer feed bin, double helix discharging device sets up to the structure that can carry the material loading to scrape the trigger with the fatlute after the stirring.
The feeding scraper machine is arranged to be of a structure capable of conveying oily sludge to the quantitative supply device of the pyrolysis desorption furnace, and the quantitative bin, the supply device anti-bridging stirrer and the quantitative supply double-screw device of the quantitative supply device of the pyrolysis desorption furnace are arranged to be of a structure capable of conveying oily sludge to the inside of the pyrolysis desorption furnace.
The hollow layer of the furnace shell of the thermal desorption furnace is set to be a structure which can enable the passing hot flue gas to transfer heat to the oily sludge in the thermal desorption furnace in a convection heat exchange mode and simultaneously avoid the oily sludge from directly contacting with the hot flue gas.
The material guiding device in the pyrolysis desorption furnace is set to be a structure capable of driving the oily sludge to continuously move from the front end to the rear end of the pyrolysis desorption furnace, and the anti-coking device is set to be a structure capable of preventing the oily sludge in the movement from generating furnace wall-mounted coking.
Oily sludge which completes the pyrolysis desorption process in the pyrolysis desorption furnace is set into a structure which can be discharged through the tail part of the pyrolysis desorption furnace and enter the material cooling and conveying device, and the material after the cooling treatment of the material cooling and conveying device is set into a structure which can be conveyed into a finished product bin through a lifting scraper conveyor to be treated.
The pyrolysis desorption furnace is also connected with the spray water collecting tank, the spray water collecting tank is connected with the process water treatment device, water vapor, oil vapor, volatile organic hydrocarbons, pyrolysis gas and a small amount of dust generated in the pyrolysis desorption process are set to be of a structure capable of entering the process water treatment device through the spray water collecting tank, and the process water treatment device is respectively connected with the oil recovery machine and the intermediate tank.
The utility model discloses still relate to a step is simple, and equipment reduces, and cost reduction simplifies oily sludge pyrolysis desorption processing system and technology, and high-efficient, the oily sludge pyrolysis desorption processing of high-quality realization oily sludge after the preliminary treatment, and effective cooperation oily sludge processing system carries out the environmental protection to the oily sludge that has the pollution property and handles, satisfies oily sludge standard, satisfies the oily sludge pyrolysis desorption processing method of environmental protection demand.
The method for the pyrolysis desorption treatment of the oily sludge comprises the following treatment steps:
1) the pretreated oily sludge is fed into a transfer bin of an oily sludge pyrolysis desorption treatment system, an anti-bridging stirrer at the bottom of the transfer bin stirs the oil sludge to be treated entering the transfer bin, and a double-helix discharging device conveys the stirred oil sludge to a feeding scraper conveyor;
2) the feeding scraper conveyor conveys the oily sludge to a quantitative supply device of the pyrolysis desorption furnace, and a quantitative bin, a supply device anti-bridging stirrer and a fixed material supply double-helix device of the quantitative supply device of the pyrolysis desorption furnace convey the oily sludge to the pyrolysis desorption furnace;
3) the heat of hot flue gas passing through a hollow layer of a furnace shell of the pyrolysis desorption furnace is transferred to the oily sludge in the pyrolysis desorption furnace in a convection heat exchange mode, and meanwhile, the oily sludge is prevented from being directly contacted with the hot flue gas, and the heated oily sludge starts pyrolysis desorption;
4) the material guide device in the pyrolysis desorption furnace drives the oily sludge to continuously move from the front end of the pyrolysis desorption furnace to the rear end of the pyrolysis desorption furnace, and the coke hanging prevention device prevents the oil-containing sludge in movement from appearing in furnace wall hanging coke;
5) oily sludge which finishes the pyrolysis desorption process in the pyrolysis desorption furnace is discharged from the tail part of the pyrolysis desorption furnace and enters the material cooling and conveying device, and the material cooled by the material cooling and conveying device is conveyed into a finished product bin through a lifting scraper conveyor to be treated.
The gas that pyrolysis desorption stove pyrolysis desorption process produced include steam, oil vapor, volatile organic hydrocarbon, pyrolysis gas and a small amount of dust, the liquid material (pyrolysis gas condensate phase) that pyrolysis desorption process was condensed down is water and oil, water and oil get into the header tank that sprays jointly, and then get into the process water treatment plant, the aeration oil interceptor of process water treatment plant, the coagulating sedimentation pond is handled water and oil, oil slick and dispersed oil are separated out, retrieve through receiving the oil machine and get into the oil slick bin, waste water overflow to the intermediate pool after aeration oil interceptor, coagulating sedimentation pond are handled.
Part of the wastewater in the wastewater overflowing to the intermediate tank is pumped to an oil-containing sludge pyrolysis desorption treatment system for recycling, part of the wastewater enters a fiber ball filter for further treatment, the wastewater treated by the fiber ball filter is pumped back to the intermediate tank, when the water amount of the intermediate tank is too large, the wastewater is discharged to a primary water treatment device, solid phase components at the bottom of a process water treatment device are returned to a conditioning separation tank and a wet material receiving tank, and non-condensable gas separated in the pyrolysis desorption process of a pyrolysis desorption furnace is sent to a heat energy supply system to be used as auxiliary fuel.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
the utility model discloses an oily sludge pyrolysis desorption processing system and oily sludge pyrolysis desorption processing method, when carrying out oily sludge pyrolysis desorption processing, carry out the preliminary treatment to oily sludge earlier, oily sludge after the preliminary treatment feeds into the transfer feed bin of oily sludge pyrolysis desorption processing system, the oil sludge to be treated that gets into the transfer feed bin is stirred to the anti-bridging agitator of transfer feed bin bottom, the oil sludge after the double helix discharging device carries the material loading scraper conveyor with the oil sludge after the stirring; the feeding scraper conveyor conveys the oily sludge to a quantitative supply device of the pyrolysis desorption furnace, and a quantitative bin, a supply device anti-bridging stirrer and a fixed material supply double-helix device of the quantitative supply device of the pyrolysis desorption furnace convey the oily sludge to the pyrolysis desorption furnace; the heat of hot flue gas passing through a hollow layer of a furnace shell of the pyrolysis desorption furnace is transferred to the oily sludge in the pyrolysis desorption furnace in a convection heat exchange mode, and meanwhile, the oily sludge is prevented from being directly contacted with the hot flue gas, and the heated oily sludge starts pyrolysis desorption; the material guide device in the pyrolysis desorption furnace drives the oily sludge to continuously move from the front end of the pyrolysis desorption furnace to the rear end of the pyrolysis desorption furnace, and the coke hanging prevention device prevents the oil-containing sludge in movement from appearing in furnace wall hanging coke; oily sludge which finishes the pyrolysis desorption process in the pyrolysis desorption furnace is discharged from the tail part of the pyrolysis desorption furnace and enters the material cooling and conveying device, and the material cooled by the material cooling and conveying device is conveyed into a finished product bin through a lifting scraper conveyor to be treated. The gas that pyrolysis desorption stove pyrolysis desorption process produced include steam, oil vapor, volatile organic hydrocarbon, pyrolysis gas and a small amount of dust, the liquid material (pyrolysis gas condensate phase) that pyrolysis desorption process was condensed down is water and oil, water and oil get into the header tank that sprays jointly, and then get into the process water treatment plant, the aeration oil interceptor of process water treatment plant, the coagulating sedimentation pond is handled water and oil, oil slick and dispersed oil are separated out, retrieve through receiving the oil machine and get into the oil slick bin, waste water overflow to the intermediate pool after aeration oil interceptor, coagulating sedimentation pond are handled. Part of the wastewater in the wastewater overflowing to the intermediate tank is pumped to an oil-containing sludge pyrolysis desorption treatment system for recycling, part of the wastewater enters a fiber ball filter for further treatment, the wastewater treated by the fiber ball filter is pumped back to the intermediate tank, when the water amount of the intermediate tank is too large, the wastewater is discharged to a primary water treatment device, solid phase components at the bottom of a process water treatment device are returned to a conditioning separation tank and a wet material receiving tank, and non-condensable gas separated in the pyrolysis desorption process of a pyrolysis desorption furnace is sent to a heat energy supply system to be used as auxiliary fuel. Therefore, the pyrolysis desorption treatment of the oily sludge can be efficiently completed with high quality through simplified equipment and process. The system of the utility model is a component of the oily sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The utility model discloses an oily sludge pyrolysis desorption processing system, the oily sludge that effectively cooperates oily sludge treatment system to have pollution property carries out environmental protection to the oily sludge that has pollution property and handles to the pollution and the destruction of environment are separated and are handled the recovery respectively to each composition of oily sludge simultaneously to effective reduction oily sludge that has pollution property, have fairly high economic benefits and social. Oily sludge pyrolysis desorption processing system, equipment reduces, simplifies oily sludge pyrolysis desorption treatment process, and high-efficient, high-quality realization oily sludge pyrolysis desorption treatment after the preliminary treatment effectively cooperates oily sludge treatment system to carry out the environmental protection to the oily sludge that has the pollution property and handles, satisfies oily sludge standard, satisfies the environmental protection demand.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of the pyrolysis desorption treatment system for oily sludge according to the present invention;
in the drawings, the reference numbers are respectively: 1. a transfer bin; 2. an anti-bridging stirrer; 3. a double helix discharging device; 4. a feeding scraper conveyor; 5. a quantitative supply device of the pyrolysis desorption furnace; 6. a quantitative storage bin; 7. a supply device anti-bridging stirrer; 8. material is fixed and supplied to the double-helix device; 9. a thermal desorption furnace; 10. a furnace shell; 11. a hollow layer; 12. a material flow guide device; 13. a coke hang prevention device; 14. a material cooling and conveying device; 15. lifting the scraper conveyor; 16. spraying a water collecting tank; 17. a process water treatment device; 18. an oil recovery machine; 19. an intermediate tank; 20. An aeration oil separation tank; 21. a coagulating sedimentation tank.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the attached figure 1, the utility model relates to an oily sludge pyrolysis desorption treatment system, which comprises a transfer bin 1, wherein the bottom of the transfer bin 1 is provided with an anti-bridging stirrer 2 and a double-helix discharging device 3, the double-helix discharging device 3 is connected with a feeding scraper 4, the feeding scraper 4 is connected with a pyrolysis desorption furnace quantitative supply device 5, the pyrolysis desorption furnace quantitative supply device 5 comprises a quantitative bin 6, a supply device anti-bridging stirrer 7 and a fixed material supply double-helix device 8, the pyrolysis desorption furnace quantitative supply device 5 is connected with a pyrolysis desorption furnace 9, the stove outer covering 10 of pyrolysis desorption stove 9 set up hollow layer 11, the hot flue gas that hot flue gas conveyor components carried passes through hollow layer 11, sets up material guiding device 12 and prevents hanging burnt device 13 in the pyrolysis desorption stove 9, 9 rear connection material cooling conveyor 14 of pyrolysis desorption stove, material cooling conveyor 14 connect and promote scraper 15. According to the structure, when the oily sludge is subjected to pyrolysis desorption treatment, the oily sludge is pretreated firstly, the pretreated oily sludge is fed into the transfer bin 1 of the oily sludge pyrolysis desorption treatment system, the oil sludge to be treated entering the transfer bin 1 is stirred by the anti-bridging stirrer 2 at the bottom of the transfer bin 1, and the stirred oil sludge is conveyed to the feeding scraper conveyor 4 by the double-helix discharging device 3; the oil-containing sludge is conveyed to a quantitative supply device 5 of the pyrolysis desorption furnace by a feeding scraper machine 4, and the oil-containing sludge is conveyed to the pyrolysis desorption furnace 9 in a fixed amount by a quantitative stock bin 6, a supply device anti-bridging stirrer 7 and a fixed material supply double-helix device 8 of the quantitative supply device 5 of the pyrolysis desorption furnace; the heat of the hot flue gas passing through the hollow layer 11 of the furnace shell 10 of the thermal desorption furnace 9 is transferred to the oily sludge in the thermal desorption furnace 9 in a convection heat exchange mode, and meanwhile, the oily sludge is prevented from being directly contacted with the hot flue gas, and the heated oily sludge starts to be pyrolyzed and desorbed; the material guide device 12 in the pyrolysis desorption furnace 9 drives the oily sludge to continuously move from the front end of the pyrolysis desorption furnace 9 to the rear end of the pyrolysis desorption furnace 9, and the coke hanging prevention device 13 prevents the moving oily sludge from generating furnace wall hanging coke; oily sludge which finishes the pyrolysis desorption process in the thermal desorption furnace 9 is discharged from the tail part of the thermal desorption furnace 9 and enters the material cooling and conveying device 14, and the material cooled by the material cooling and conveying device 14 is conveyed into a finished product bin through the lifting scraper 15 for treatment. The gas generated in the pyrolysis desorption process of the pyrolysis desorption furnace 9 comprises water vapor, oil vapor, volatile organic hydrocarbons, pyrolysis gas and a small amount of dust, the condensed liquid substances (pyrolysis gas condensate phase) in the pyrolysis desorption process are water and oil, the water and the oil enter the spray water collecting tank 16 together and then enter the process water treatment device 17, the aeration oil separation tank 20 of the process water treatment device 17 and the coagulating sedimentation tank 21 treat the water and the oil, the floating oil and the dispersed oil are separated out and recycled into the floating oil storage tank through the oil collecting machine 18, and the wastewater treated by the aeration oil separation tank 20 and the coagulating sedimentation tank 21 overflows to the intermediate tank 19. Part of the wastewater in the wastewater overflowing to the intermediate tank 19 is pumped to an oil-containing sludge pyrolysis desorption treatment system for recycling, part of the wastewater enters a fiber ball filter for further treatment, the wastewater treated by the fiber ball filter is pumped back to the intermediate tank 19, when the water amount in the intermediate tank 19 is too large, part of the wastewater is discharged to a primary water treatment device, solid phase components at the bottom of the process water treatment device 17 are returned to a conditioning separation tank and a wet material receiving tank, and non-condensable gas separated in the pyrolysis desorption process of the pyrolysis desorption furnace 9 is sent to a heat energy supply system to be used as auxiliary fuel. Therefore, the pyrolysis desorption treatment of the oily sludge can be efficiently completed with high quality through simplified equipment and process. The system of the utility model is a component of the oily sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The utility model discloses an oily sludge pyrolysis desorption processing system, the oily sludge that effectively cooperates oily sludge treatment system to have pollution property carries out environmental protection to the oily sludge that has pollution property and handles to the pollution and the destruction of environment are separated and are handled the recovery respectively to each composition of oily sludge simultaneously to effective reduction oily sludge that has pollution property, have fairly high economic benefits and social. Oily sludge pyrolysis desorption processing system, simple structure, equipment reduces, simplifies oily sludge pyrolysis desorption processing technology, and high efficiency, high-quality realization oily sludge pyrolysis desorption processing after the preliminary treatment cooperate oily sludge processing system to carry out the environmental protection to the oily sludge that has the pollution property and handle, satisfy oily sludge standard, satisfy the environmental protection demand.
The anti-bridging stirrer 2 arranged at the bottom of the transfer bin 1 is arranged to be capable of stirring the sludge to be treated entering the transfer bin 1, and the double-helix discharging device 3 is arranged to be capable of conveying the stirred sludge to the loading scraper conveyor 4. Above-mentioned structure, transfer feed bin 1 is used for accepting oily sludge, then, prevents that bridging agitator 2 stirs oily sludge and handles, then carries through double helix discharging device 3, carries the material loading and scrapes 4 positions of trigger.
The material loading scraper conveyor 4 is arranged to be capable of conveying oily sludge to the pyrolysis desorption furnace quantitative supply device 5, and the quantitative storage bin 6, the supply device anti-bridging stirrer 7 and the material fixing supply double helix device 8 of the pyrolysis desorption furnace quantitative supply device 5 are arranged to be capable of conveying oily sludge to the inside of the pyrolysis desorption furnace 9 in a fixed amount. With the above structure, the pyrolysis desorption furnace quantitative supply device 5 quantitatively conveys the oil-containing sludge to the pyrolysis desorption furnace 9 according to the setting.
The hollow layer 11 of the furnace shell 10 of the pyrolysis desorption furnace 9 is set to be a structure which can enable the passing hot flue gas to transfer heat to the oily sludge in the pyrolysis desorption furnace 9 in a convection heat exchange mode and simultaneously avoid the direct contact of the oily sludge and the hot flue gas. In the structure, the inlet of the hollow layer 11 is communicated with the hot flue gas conveying part, and the outlet of the hollow layer is communicated with the flue gas treatment device. Like this, continuously provide the heat to pyrolysis desorption stove 9, realize the heat transfer with oiliness mud, absorb heat at the heat transfer in-process, realize the pyrolysis desorption. And the discharged hot flue gas is treated and discharged into the atmosphere after being harmless.
The material guiding device 12 in the pyrolysis desorption furnace 9 is set to be a structure capable of driving the oily sludge to continuously move from the front end to the rear end of the pyrolysis desorption furnace 9, and the coke hanging prevention device 13 is set to be a structure capable of preventing the oily sludge in the movement from appearing furnace wall hanging coke. Above-mentioned structure, material guiding device 12 realizes the continuous transport of oiliness mud, and carries out the pyrolysis desorption in the transportation process and handles, and prevents hanging burnt problem from appearing in the transportation process in oiliness mud by burnt device 13.
The pyrolysis desorption furnace 9 is also connected with a spray water collecting tank 16, the spray water collecting tank 16 is connected with a process water treatment device 17, water vapor, oil vapor, volatile organic hydrocarbons, pyrolysis gas and a small amount of dust generated in the pyrolysis desorption process are set to be of a structure which can enter the process water treatment device 17 through the spray water collecting tank 16, and the process water treatment device 17 is respectively connected with an oil recovery machine 18 and an intermediate tank 19. Above-mentioned structure, process water treatment facilities 17 handles sewage for sewage reliably handles and distributes, satisfies whole processing system's demand.
The utility model discloses still relate to a step is simple, and equipment reduces, and cost reduction simplifies oily sludge pyrolysis desorption processing system and technology, and high-efficient, the oily sludge pyrolysis desorption processing of high-quality realization oily sludge after the preliminary treatment, and effective cooperation oily sludge processing system carries out the environmental protection to the oily sludge that has the pollution property and handles, satisfies oily sludge standard, satisfies the oily sludge pyrolysis desorption processing method of environmental protection demand.
The method for the pyrolysis desorption treatment of the oily sludge comprises the following treatment steps:
1) the pretreated oily sludge is fed into a transfer bin 1 of an oily sludge pyrolysis desorption treatment system, an anti-bridging stirrer 2 at the bottom of the transfer bin 1 stirs the oil sludge to be treated entering the transfer bin 1, and a double-helix discharging device 3 conveys the stirred oil sludge to a feeding scraper conveyor 4; 2) the oil-containing sludge is conveyed to a quantitative supply device 5 of the pyrolysis desorption furnace by a feeding scraper machine 4, and the oil-containing sludge is conveyed to the pyrolysis desorption furnace 9 in a fixed amount by a quantitative stock bin 6, a supply device anti-bridging stirrer 7 and a fixed material supply double-helix device 8 of the quantitative supply device 5 of the pyrolysis desorption furnace; 3) the heat of the hot flue gas passing through the hollow layer 11 of the furnace shell 10 of the thermal desorption furnace 9 is transferred to the oily sludge in the thermal desorption furnace 9 in a convection heat exchange mode, and meanwhile, the oily sludge is prevented from being directly contacted with the hot flue gas, and the heated oily sludge starts to be pyrolyzed and desorbed; 4) the material guide device 12 in the pyrolysis desorption furnace 9 drives the oily sludge to continuously move from the front end of the pyrolysis desorption furnace 9 to the rear end of the pyrolysis desorption furnace 9, and the coke hanging prevention device 13 prevents the moving oily sludge from generating furnace wall hanging coke; 5) oily sludge which finishes the pyrolysis desorption process in the thermal desorption furnace 9 is discharged from the tail part of the thermal desorption furnace 9 and enters the material cooling and conveying device 14, and the material cooled by the material cooling and conveying device 14 is conveyed into a finished product bin through the lifting scraper 15 for treatment.
The gas generated in the pyrolysis desorption process of the pyrolysis desorption furnace 9 comprises water vapor, oil vapor, volatile organic hydrocarbons, pyrolysis gas and a small amount of dust, the condensed liquid substances (pyrolysis gas condensate phase) in the pyrolysis desorption process are water and oil, the water and the oil enter the spray water collecting tank 16 together and then enter the process water treatment device 17, the aeration oil separation tank 20 of the process water treatment device 17 and the coagulating sedimentation tank 21 treat the water and the oil, the floating oil and the dispersed oil are separated out and recycled into the floating oil storage tank through the oil collecting machine 18, and the wastewater treated by the aeration oil separation tank 20 and the coagulating sedimentation tank 21 overflows to the intermediate tank 19. Part of the wastewater in the wastewater overflowing to the intermediate tank 19 is pumped to an oil-containing sludge pyrolysis desorption treatment system for recycling, part of the wastewater enters a fiber ball filter for further treatment, the wastewater treated by the fiber ball filter is pumped back to the intermediate tank 19, when the water amount in the intermediate tank 19 is too large, part of the wastewater is discharged to a primary water treatment device, solid phase components at the bottom of the process water treatment device 17 are returned to a conditioning separation tank and a wet material receiving tank, and non-condensable gas separated in the pyrolysis desorption process of the pyrolysis desorption furnace 9 is sent to a heat energy supply system to be used as auxiliary fuel. Therefore, the sewage can be reliably treated, and the requirements are met.
The utility model discloses an oily sludge pyrolysis desorption processing system and oily sludge pyrolysis desorption processing method, when carrying out oily sludge pyrolysis desorption processing, carry out the preliminary treatment to oily sludge earlier, oily sludge after the preliminary treatment feeds into the transfer feed bin of oily sludge pyrolysis desorption processing system, the oil sludge to be treated that gets into the transfer feed bin is stirred to the anti-bridging agitator of transfer feed bin bottom, the oil sludge after the double helix discharging device carries the material loading scraper conveyor with the oil sludge after the stirring; the feeding scraper conveyor conveys the oily sludge to a quantitative supply device of the pyrolysis desorption furnace, and a quantitative bin, a supply device anti-bridging stirrer and a fixed material supply double-helix device of the quantitative supply device of the pyrolysis desorption furnace convey the oily sludge to the pyrolysis desorption furnace; the heat of hot flue gas passing through a hollow layer of a furnace shell of the pyrolysis desorption furnace is transferred to the oily sludge in the pyrolysis desorption furnace in a convection heat exchange mode, and meanwhile, the oily sludge is prevented from being directly contacted with the hot flue gas, and the heated oily sludge starts pyrolysis desorption; the material guide device in the pyrolysis desorption furnace drives the oily sludge to continuously move from the front end of the pyrolysis desorption furnace to the rear end of the pyrolysis desorption furnace, and the coke hanging prevention device prevents the oil-containing sludge in movement from appearing in furnace wall hanging coke; oily sludge which finishes the pyrolysis desorption process in the pyrolysis desorption furnace is discharged from the tail part of the pyrolysis desorption furnace and enters the material cooling and conveying device, and the material cooled by the material cooling and conveying device is conveyed into a finished product bin through a lifting scraper conveyor to be treated. The gas that pyrolysis desorption stove pyrolysis desorption process produced include steam, oil vapor, volatile organic hydrocarbon, pyrolysis gas and a small amount of dust, the liquid material (pyrolysis gas condensate phase) that pyrolysis desorption process was condensed down is water and oil, water and oil get into the header tank that sprays jointly, and then get into the process water treatment plant, the aeration oil interceptor of process water treatment plant, the coagulating sedimentation pond is handled water and oil, oil slick and dispersed oil are separated out, retrieve through receiving the oil machine and get into the oil slick bin, waste water overflow to the intermediate pool after aeration oil interceptor, coagulating sedimentation pond are handled. Part of the wastewater in the wastewater overflowing to the intermediate tank is pumped to an oil-containing sludge pyrolysis desorption treatment system for recycling, part of the wastewater enters a fiber ball filter for further treatment, the wastewater treated by the fiber ball filter is pumped back to the intermediate tank, when the water amount of the intermediate tank is too large, the wastewater is discharged to a primary water treatment device, solid phase components at the bottom of a process water treatment device are returned to a conditioning separation tank and a wet material receiving tank, and non-condensable gas separated in the pyrolysis desorption process of a pyrolysis desorption furnace is sent to a heat energy supply system to be used as auxiliary fuel. Therefore, the pyrolysis desorption treatment of the oily sludge can be efficiently completed with high quality through simplified equipment and process. The system of the utility model is a component of the oily sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The utility model discloses an oily sludge pyrolysis desorption processing system, the oily sludge that effectively cooperates oily sludge treatment system to have pollution property carries out environmental protection to the oily sludge that has pollution property and handles to the pollution and the destruction of environment are separated and are handled the recovery respectively to each composition of oily sludge simultaneously to effective reduction oily sludge that has pollution property, have fairly high economic benefits and social. Oily sludge pyrolysis desorption processing system, equipment reduces, simplifies oily sludge pyrolysis desorption treatment process, and high-efficient, high-quality realization oily sludge pyrolysis desorption treatment after the preliminary treatment effectively cooperates oily sludge treatment system to carry out the environmental protection to the oily sludge that has the pollution property and handles, satisfies oily sludge standard, satisfies the environmental protection demand.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (7)
1. The utility model provides an oily sludge pyrolysis desorption processing system which characterized in that: comprises a transfer bin (1), an anti-bridging stirrer (2) and a double-helix discharging device (3) are arranged at the bottom of the transfer bin (1), the double-helix discharging device (3) is connected with an upper material scraper (4), the upper material scraper (4) is connected with a pyrolysis desorption furnace quantitative supply device (5), the pyrolysis desorption furnace quantitative supply device (5) comprises a quantitative bin (6), a supply device anti-bridging stirrer (7) and a fixed material supply double-helix device (8), the pyrolysis desorption furnace quantitative supply device (5) is connected with a pyrolysis desorption furnace (9), a hollow layer (11) is arranged on a furnace shell (10) of the pyrolysis desorption furnace (9), hot flue gas conveyed by a hot flue gas conveying component passes through the hollow layer (11), a material guide device (12) and a coke hanging prevention device (13) are arranged in the pyrolysis desorption furnace (9), and a material cooling and conveying device (14) is connected with the tail part of the pyrolysis desorption furnace (9), the material cooling and conveying device (14) is connected with a lifting scraper conveyor (15).
2. The pyrolysis desorption treatment system for oily sludge according to claim 1, which is characterized in that: transfer feed bin (1) bottom prevent bridging agitator (2) set up to the structure that can carry out the stirring with the pending fatlute that gets into transfer feed bin (1), double helix discharging device (3) set up to the structure that can carry the fatlute after the stirring to the material loading and scrape trigger (4).
3. The pyrolysis desorption treatment system for oily sludge according to claim 2, which is characterized in that: the structure that can carry oily sludge to pyrolysis desorption stove ration feeding device (5) is set up to material loading scraper (4), pyrolysis desorption stove ration feeding device's (5) ration feed bin (6), feed arrangement prevent bridging agitator (7), decide material supply double helix device (8) set up to the structure that can decide to carry oily sludge in the pyrolysis desorption stove (9).
4. The pyrolysis desorption treatment system for oily sludge according to claim 3, which is characterized in that: the hollow layer (11) of the furnace shell (10) of the pyrolysis desorption furnace (9) is set to be a structure which can transfer heat to oily sludge in the pyrolysis desorption furnace (9) in a heat transfer mode through hot flue gas convection, and simultaneously avoid the direct contact of the oily sludge and the hot flue gas.
5. The pyrolysis desorption treatment system for oily sludge according to claim 4, which is characterized in that: material guiding device (12) in pyrolysis desorption stove (9) set up to the structure that can drive oiliness mud and continuously remove from pyrolysis desorption stove (9) front end to rear end, prevent hanging burnt structure of stove hanging coke is appeared to oiliness mud that sets up to preventing in the moving in burnt structure of stove hanging.
6. The pyrolysis desorption treatment system for oily sludge according to claim 5, which is characterized in that: the oily sludge who accomplishes pyrolysis desorption process in pyrolysis desorption stove (9) set up to discharge and get into the structure in material cooling conveyor (14) through pyrolysis desorption stove (9) afterbody, material cooling conveyor (14) after cooling treatment set up to carry the structure of handling in the finished product feed bin through promoting scraper (15).
7. The pyrolysis desorption treatment system for oily sludge according to claim 1 or 4, which is characterized in that: the pyrolysis desorption furnace (9) is also connected with a spray water collecting tank (16), the spray water collecting tank (16) is connected with a process water treatment device (17), water vapor, volatile organic hydrocarbons, pyrolysis gas and a small amount of dust generated in the pyrolysis desorption process are set to be of a structure capable of entering the process water treatment device (17) after being sprayed with the water collecting tank (16), and the process water treatment device (17) is respectively connected with an oil recovery machine (18) and an intermediate pool (19).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112174471A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创实业有限责任公司 | Pyrolysis desorption treatment system and method for oily sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112174471A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创实业有限责任公司 | Pyrolysis desorption treatment system and method for oily sludge |
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Effective date of registration: 20220726 Address after: 241000 Fanyang Town, Fanchang County, Wuhu City, Anhui Province (in Wuhu conch factory) Patentee after: Wuhu Haichuang Environmental Protection Technology Co.,Ltd. Address before: Room 429-a, building B, management committee of Jiangbei industrial concentration zone, Wuhu City, Anhui Province 241000 Patentee before: WUHU HAICHUANG INDUSTRIAL Co.,Ltd. Patentee before: Wuhu Haichuang Environmental Protection Technology Co.,Ltd. |