CN212451119U - Oil sludge pyrolysis treatment system - Google Patents
Oil sludge pyrolysis treatment system Download PDFInfo
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- CN212451119U CN212451119U CN202021405913.9U CN202021405913U CN212451119U CN 212451119 U CN212451119 U CN 212451119U CN 202021405913 U CN202021405913 U CN 202021405913U CN 212451119 U CN212451119 U CN 212451119U
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Abstract
The utility model discloses a fatlute pyrolysis treatment system, including the pyrolysis device, sediment collection device and oil water mixture steam separator, the pyrolysis device has the feed inlet, discharge gate and gas outlet, sediment collection device has feed inlet and discharge gate, oil water mixture steam separator has the air inlet, the oil-out, gas outlet and delivery port, the discharge gate of pyrolysis device and sediment collection device's feed inlet intercommunication, its gas outlet and oil water mixture steam separator's air inlet intercommunication, the pyrolysis device is used for the oil water component high temperature vaporization in the fatlute, the oil water component can be followed and fleed, oil water mixture steam separator is used for separating gaseous state composition in the oil, water and gas. The oil sludge is heated by a pyrolysis device, so that oil-water components in the oil sludge are vaporized, the oil-water components in the oil sludge are separated from sludge, the oil-water components are collected and separated into three parts, namely oil, water and residual gas, by an oil-water mixed gas separation device, and solid-phase components are recovered by a sludge collection device.
Description
Technical Field
The utility model belongs to sludge treatment equipment field especially relates to a fatlute pyrolysis treatment system.
Background
The oily sludge and oily rock debris (hereinafter referred to as oil sludge or oil-containing solid waste) are mainly produced in the links of drilling, production, storage, transportation, refining and the like of oil gas and in the process of treating the oily wastewater, have the characteristics of flammability, toxicity, difficulty in natural degradation and the like, are listed in national hazardous waste record, are HW 08-type hazardous solid waste, and the conventional oil sludge treatment equipment usually has secondary pollution and serious waste of oil gas resources in the oil sludge or has high treatment cost, so that the industrial and small efficient and quick harmless treatment is difficult to realize.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a simple structure, and can carry out pipelined continuous processing's fatlute pyrolysis treatment system to fatlute, its characteristics that can realize equipping miniaturization, high efficiency, high technology security, low running cost.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides an fatlute pyrolysis treatment system, includes pyrolysis device, dregs of mud collection device and water oil-water mixture steam separator, the pyrolysis device has feed inlet, discharge gate and gas outlet, dregs of mud collection device has feed inlet and discharge gate, water oil mixture steam separator has air inlet, oil-out, gas outlet and delivery port, the discharge gate of pyrolysis device with dregs of mud collection device's feed inlet intercommunication, its gas outlet with water oil-water mixture steam separator's air inlet intercommunication, the pyrolysis device is used for evaporating oil water component high temperature in the fatlute and overflowing from the fatlute, water oil-water mixture steam separator is used for with oil, water and gas separation in the gaseous composition in the pyrolysis device.
The beneficial effects of the above technical scheme are that: so utilize the pyrolysis device to heat fatlute for the oil water component in the fatlute vaporizes fast, so make the oil water component in the fatlute separate with the mud sediment (solid phase), and wherein the oil water component is collected and is separated into oil, water and gas triplex by oil water mixing vapour separator, and the solid phase part is retrieved by mud sediment collection device.
Still include two sealed feed bins among the above-mentioned technical scheme, the upper end in feed bin has the feed inlet, and its lower extreme has the discharge gate, two the discharge gate in feed bin all with the feed inlet intercommunication of pyrolysis device, and be equipped with first valve respectively in the two intercommunication department, two the feed inlet department in feed bin is equipped with the second valve respectively, opens two first valves in turn in order to add fatlute respectively to two in the feed bin, opens two second valves in turn in order to discharge two fatlute in the feed bin respectively in the pyrolysis device, and is same first valve and the alternative opening of second valve that the feed bin corresponds.
The beneficial effects of the above technical scheme are that: so can use two feed bins to carry out sealed feed in turn to make pyrolysis device continuous operation, make whole feed link be in airtight state and isolated with the air simultaneously, so can avoid or reduce oxygen and enter into the pyrolysis device through the feed link in, promptly at the operation in-process, it is same first valve and the second valve that feed bin corresponds can not open simultaneously.
Still include raw materials reducing mechanism among the above-mentioned technical scheme, raw materials reducing mechanism has feed inlet and discharge gate, raw materials reducing mechanism is used for smashing fatlute, and its discharge gate is used for respectively to two the feed inlet feed in feed bin.
The beneficial effects of the above technical scheme are that: in this way, the raw material pulverizing device can be used to pulverize the raw material into sludge powder, so that the oil-water component in the sludge can be more easily separated by vaporization.
In the technical scheme, the sludge collecting device comprises two sealed discharge bins, each discharge bin is provided with a feed inlet and a discharge outlet, the feed inlets of the discharge bins are communicated with the discharge outlet of the pyrolysis device, third valves are arranged at the communicated positions, the discharge outlets of the discharge bins are provided with fourth valves, two third valves are alternately opened to collect the sludge after pyrolysis of the pyrolysis device, two fourth valves are alternately opened to discharge the sludge in the discharge bins respectively, and the third valves and the fourth valves corresponding to the discharge bins are alternatively opened.
The beneficial effects of the above technical scheme are that: so make two play feed bins unload in turn to the realization is unloaded to pyrolysis device's sealed, avoids the air to enter into in the pyrolysis device in order to ensure safe operation through going out the feed bin.
The feed bin in the above technical scheme further has a gas inlet communicated with the inside of the feed bin, and the gas inlet of the feed bin is used for sweeping the flame-retardant protective gas into the feed bin.
The beneficial effects of the above technical scheme are that: therefore, the flame-retardant protective gas can be introduced into the supply bin to avoid or reduce the air from entering the supply bin.
In the technical scheme, the discharge bin is further provided with a gas inlet and a gas outlet which are communicated with the interior of the discharge bin, the gas inlet of the discharge bin is used for blowing the flame-retardant protective gas into the discharge bin, and the flame-retardant protective gas blown into the discharge bin is discharged from the gas outlet of the discharge bin and takes away the oil gas remained in the discharge bin.
The beneficial effects of the above technical scheme are that: so can make out the feed bin when the feeding finishes, the residual gas in it can discharge further processing through the gas outlet, and when the feed bin row material, accessible air inlet sweeps fire-retardant protective gas in order to avoid the air to get into.
The technical scheme includes that the device further comprises a flame-retardant protective gas supply device, the flame-retardant protective gas supply device is provided with a gas outlet, the gas outlet of the flame-retardant protective gas supply device is communicated with the gas inlets of the feeding bin and the discharging bin respectively, a ninth valve is arranged at the communication position of the gas outlet of the flame-retardant protective gas supply device and the gas inlet of the feeding bin, a tenth valve is arranged at the communication position of the gas outlet of the flame-retardant protective gas supply device and the discharging bin, and an eleventh valve is arranged at the gas outlet of the discharging bin.
The beneficial effects of the above technical scheme are that: therefore, the flame-retardant protective gas supply device can be used for directly supplying flame-retardant protective gas to the discharging bin and the feeding bin.
Still include oil collection tank and water collection tank among the above-mentioned technical scheme, oil collection tank has oil inlet and oil-out, water collection tank has water inlet and delivery port, oil collection tank's oil inlet with oil-out intercommunication of water oil gas mixture steam separator, and the two intercommunication department is equipped with the fifth valve, oil collection tank's oil-out department is equipped with the sixth valve, water collection tank's water inlet with water oil gas mixture steam separator's delivery port intercommunication, and be equipped with the seventh valve in the two intercommunication departments, water collection tank's water outlet department is equipped with the eighth valve.
The beneficial effects of the above technical scheme are that: so can realize oil and water that oil-water mixture steam separator separates out and retrieve respectively, wherein oil is concentrated recycle, and water is direct to be retrieved or does the harmless emission.
The technical scheme includes that the device further comprises a flame-retardant protective gas recovery device which is provided with an air inlet, a flame-retardant protective gas outlet and a residual gas outlet, the flame-retardant protective gas supply device is provided with an air inlet, the air outlet of the discharge bin and the air outlet of the oil-water mixed gas separation device are communicated with the air inlet of the flame-retardant protective gas recovery device, the flame-retardant protective gas outlet of the flame-retardant protective gas recovery device is communicated with the air inlet of the flame-retardant protective gas supply device, and the residual gas outlet of the flame-retardant protective gas recovery device is provided with a twelfth valve.
The beneficial effects of the above technical scheme are that: therefore, the gas exhausted by the whole system can be collected in a centralized way, the flame-retardant protective gas in the system can be recycled, and the rest components are treated in a harmless way.
In the technical scheme, the flame-retardant protective gas supply device comprises a buffer tank and a gas cylinder, wherein the buffer tank is provided with a gas outlet, a gas inlet and a gas filling port, the gas filling port of the buffer tank is communicated with a bottle opening of the gas cylinder, the gas inlet of the buffer tank forms the gas inlet of the flame-retardant protective gas supply device, the gas outlet of the buffer tank forms the gas outlet of the flame-retardant protective gas supply device, and a one-way valve is arranged at the gas inlet of the buffer tank to prevent gas in the buffer tank from flowing outwards through the gas inlet.
The beneficial effects of the above technical scheme are that: therefore, the protective gas recovered by the flame-retardant protective gas recovery device can be discharged into the buffer tank again for recycling, and a small amount of lost protective gas in the whole circulation process is supplemented by the gas cylinder.
Drawings
Fig. 1 is a schematic structural diagram of an oil sludge pyrolysis treatment system according to an embodiment of the present invention;
FIG. 2 is another schematic diagram of the oil sludge pyrolysis treatment system according to the embodiment of the present invention;
FIG. 3 is another schematic diagram of the oil sludge pyrolysis treatment system according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pyrolysis device according to an embodiment of the present invention.
In the figure: the device comprises a pyrolysis device, a shell 11, a rotating roller 12, a conveyor belt 13, a magnetron 14, a sludge collecting device 2, a discharge bin 21, a third valve 22, a fourth valve 23, an eleventh valve 24, a tenth valve 25, an oil-water mixed gas separating device 3, an oil collecting tank 31, a fifth valve 311, a sixth valve 312, a water collecting tank 32, a seventh valve 321, an eighth valve 322, a feed bin 4, a first valve 41, a second valve 42, a ninth valve 43, a raw material crushing device 5, a flame-retardant protective gas supply device 6, a buffer tank 61, a check valve 611, a gas cylinder 62, a flame-retardant protective gas recovery device 7 and a twelfth valve 71.
Detailed Description
The principles and features of the present invention are described below in conjunction with the drawings and the embodiments, which are set forth for the purpose of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment provides an oil sludge pyrolysis treatment system, which includes a pyrolysis device 1, a sludge collection device 2, and an oil-water mixed steam separation device 3, where the pyrolysis device 1 has a feed inlet, a discharge outlet, and an air outlet, the sludge collection device 2 has a feed inlet and a discharge outlet, the oil-water mixed steam separation device 3 has an air inlet, an oil outlet, an air outlet, and an water outlet, the discharge outlet of the pyrolysis device 1 is communicated with the feed inlet of the sludge collection device 2, and the air outlet is communicated with the air inlet of the oil-water mixed steam separation device 3, the pyrolysis device 1 is configured to vaporize oil-water components in oil sludge at high temperature and escape from the oil sludge, the oil-water mixed steam separation device 3 is configured to separate oil, water, and gas in gaseous components in the pyrolysis device, so that the oil-water components in the oil sludge are vaporized by heating the pyrolysis device, this allows the oil-water component in the oil sludge to be separated from the sludge (solid phase), wherein the oil-water component is collected and separated into three components of oil, water and gas (residual gas) by the oil-water mixture gas separation device, and the solid phase component is recovered by the sludge collection device 2.
Wherein, in the above technical scheme, the sludge collecting device 2 comprises two sealed discharging bins 21, the discharging bins 21 have a feeding port and a discharging port, the feeding ports of the two discharging bins 21 are both communicated with the discharging port of the pyrolysis device 1, a third valve 22 is arranged at the communication position, fourth valves 23 are arranged at the discharging ports of the two discharging bins 21, two third valves are alternately opened to respectively collect the sludge pyrolyzed by the pyrolysis device, two fourth valves are alternately opened to respectively discharge the sludge in the two discharging bins, and the third valve and the fourth valve corresponding to the same discharging bin are alternatively opened, of course, the third valve and the fourth valve corresponding to the same discharging bin can not be opened at the same time during operation, but can not be opened at the same time, so that the two discharging bins alternately discharge, thereby realizing sealed discharging, avoid the air to enter into the pyrolysis device through the discharge bin.
Wherein, among the above-mentioned technical scheme still be equipped with air inlet and gas outlet rather than inside intercommunication on the play feed bin 21, the air inlet that goes out feed bin 21 is used for sweeping fire-retardant protective gas in to going out feed bin 21, the gas outlet be used for with pressure release in the play feed bin 21 so can make out the feed bin when the feeding, the gas that lets in it can be discharged through the gas outlet, and fire-retardant protective gas still has the harmful gas function of sweeping pyrolysis sludge surface adsorption concurrently, and when a feed bin row material, accessible air inlet sweeps fire-retardant protective gas in order to avoid the air admission.
As shown in fig. 2, the above technical solution further includes two feeding bins 4, the upper ends of the feeding bins 4 have feeding ports, the lower ends of the feeding bins 4 have discharging ports, the two feeding bins 4 are both disposed at the upstream of the pyrolysis apparatus 1, the discharging ports of the two feeding bins 4 are both communicated with the feeding port of the pyrolysis apparatus 1, and a first valve 41 is respectively disposed at the communication position of the two feeding bins 4, a second valve 42 is respectively disposed at the feeding ports of the two feeding bins 4, the two first valves 41 are alternately opened to respectively feed the two feeding bins 4 with oil sludge, the two second valves 42 are alternately opened to respectively discharge the oil sludge in the two feeding bins 4 into the pyrolysis apparatus 1, and the first valve 41 and the second valve 42 corresponding to the same feeding bin 4 are alternatively opened, of course, the first valve and the second valve corresponding to the same feeding bin may not be opened, but only can not open simultaneously, so can use two feed bins to carry out the feed in turn to make pyrolysis device continuity operation, make whole feeding link feed under airtight state simultaneously, so can avoid or reduce the air and enter into the pyrolysis device through the feeding link. If the first valve of one discharging bin is closed (adding the oil sludge into the pyrolysis device) when being opened, the first valve of the other discharging bin is closed at the moment, and the corresponding second valve of the other discharging bin is opened (adding the oil sludge into the corresponding feeding bin).
Wherein, the feed bin 4 still has the air inlet rather than inside intercommunication among the above-mentioned technical scheme, the air inlet of feed bin 4 is used for sweeping fire-retardant protective gas in the feed bin 4, so can let in fire-retardant protective gas in order to avoid or reduce the air and enter into in the feed bin.
Still include fire-retardant protective gas supply unit 6 among the above-mentioned technical scheme, fire-retardant protective gas supply unit 6 has the gas outlet, and its gas outlet respectively with the air inlet intercommunication of feed bin 4 and ejection of compact storehouse 21, and the gas outlet of fire-retardant protective gas supply unit 6 with the intercommunication department of the air inlet of feed bin 4 is equipped with ninth valve 43, the gas outlet of fire-retardant protective gas supply unit 6 with the intercommunication department of ejection of compact storehouse 21 is equipped with tenth valve 25, the gas outlet department of ejection of compact storehouse 21 is equipped with eleventh valve 24, so usable fire-retardant protective gas supply unit 6 directly supplies fire-retardant protective gas to ejection of compact storehouse and feed bin.
Wherein, still include raw materials reducing mechanism 5 among the above-mentioned technical scheme, raw materials reducing mechanism 5 has feed inlet and discharge gate, raw materials reducing mechanism 5's discharge gate respectively with two the feed inlet intercommunication of feed bin 4, so usable smash the fatlute raw materials with raw materials reducing mechanism for fatlute powder, so make the separation of the oil water component ability in the fatlute easier, also can further increase the closely knit degree of fatlute in the feed bin, reduce sneaking into of residual air, make required sweeping flame retardant gas's quantity very few, make the security of treatment effeciency and technology improve greatly, the running cost is showing and is reducing.
Still include among the above-mentioned technical scheme oil collection tank 31 and water collection tank 32, oil collection tank 31 has oil inlet and oil-out, water collection tank 32 has water inlet and delivery port, oil collection tank 31 the oil inlet with oil-out intercommunication of water oil gas mixture steam separator 3, and the two intercommunication department is equipped with fifth valve 311, oil collection tank 31's oil-out department is equipped with sixth valve 312, water collection tank 32's water inlet with water oil gas mixture steam separator 3's delivery port intercommunication, and be equipped with seventh valve 321 in the two intercommunication departments, water collection tank 32's delivery port department is equipped with eighth valve 322, so can realize retrieving respectively oil and water that oil water gas mixture steam separator separated, wherein oil is concentrated recycle, and water is direct to be retrieved or do harmless the emission.
As shown in fig. 3, the technical solution further includes a fire retardant protective gas recovery device 7, which has an air inlet, a fire retardant protective gas outlet and a residual gas outlet, the fire retardant protective gas supply device 6 has an air inlet, the air outlet of the discharge bin 21 and the air outlet of the oil-water mixed gas separation device 3 are both communicated with the air inlet of the fire retardant protective gas recovery device 7, the fire retardant protective gas outlet of the fire retardant protective gas recovery device 7 is communicated with the air inlet of the fire retardant protective gas supply device 6, and the residual gas outlet of the fire retardant protective gas recovery device 7 is provided with a twelfth valve 71, so that the gases discharged from the whole system can be collected in a centralized manner and the fire retardant protective gas inside can be recycled, and the rest components can be subjected to harmless treatment (such as combustion and emptying treatment).
In the above technical solution, the flame-retardant protective gas supply device 6 includes a buffer tank 61 and a gas cylinder 62, the buffer tank 61 has a gas outlet, a gas inlet and a gas inlet, the gas inlet of the buffer tank 61 is used for communicating with a cylinder opening of the gas cylinder, the gas inlet of the buffer tank 61 constitutes the gas inlet of the flame-retardant protective gas supply device 6, the gas outlet of the buffer tank 61 constitutes the gas outlet of the flame-retardant protective gas supply device 6, and the gas inlet of the buffer tank 61 is provided with a check valve 611 to prevent the gas in the buffer tank 61 from flowing outwards through the gas inlet thereof, so that the protective gas recovered by the flame-retardant protective gas recovery device 7 can be re-discharged into the buffer tank for recycling, and the protective gas lost in the whole circulation process is supplemented by the gas cylinder.
The oil sludge pyrolysis device provided by the embodiment is carried out in a closed environment in the whole process of feeding, pyrolysis and discharging (including discharging solid materials and gas materials), and flame-retardant protective gas is filled in the whole process for protection so as to avoid explosion of oil gas components in the pyrolysis device caused by overhigh temperature in the pyrolysis device.
But whole fatlute pyrolysis system pipelined work in addition, its treatment effeciency is high, can sled the dress in the box with whole system simultaneously, so can be with its miniaturization, and make it be convenient for remove, can handle fatlute with it haulage to the scene, so can avoid fatlute to leak in the haulage process and produce secondary pollution to the environment.
Wherein, the pyrolysis device is preferably a microwave pyrolysis device, which belongs to the prior art and is not described herein, as shown in fig. 4, the microwave pyrolysis device may include a strip-shaped housing 11 horizontally arranged along the front-back direction, two rollers 12 are horizontally arranged along the left-right direction at the front-back end in the housing, two ends of the two rollers 12 are respectively connected with the left side and the right side of the housing 11 in a rotating manner, a conveyor belt 13 bypasses the two rollers 12, the conveyor belt 13 forms a conveying channel of the microwave pyrolysis device, one end of any one of the rollers 12 penetrates through the housing 11 and is connected with a driving part outside the housing 11 in a transmission manner, the driving part is used for driving the two rollers 12 and the conveyor belt 13 to rotate so as to convey materials, one end of the conveying channel is a feeding end, the other end of the conveying channel is a discharging end, a feeding port communicated with the inside of the conveying channel is arranged above the feeding end of the housing 11, the lower end of the shell 11 is positioned below the discharge end of the conveying channel, a discharge port communicated with the interior of the shell is arranged below the discharge end of the conveying channel, an air outlet communicated with the interior of the shell is arranged above the discharge end of the conveying channel at the upper end of the shell 11, a plurality of magnetrons 14 are arranged on the inner top wall of the shell 11 along the length direction of the top wall to generate microwaves so as to accelerate vaporization of oil and water components in oil sludge, and the feed port, the discharge port and the air outlet on the shell 11 respectively form the feed port, the discharge port and the air outlet of the pyrolysis device 1, wherein the driving part is.
Wherein, the oil-water mixed steam separating device 3 preferably comprises a steam-water separator and an oil-water separator, wherein, a heating medium channel of the steam-water separator is provided with an air inlet, a liquid outlet and an air outlet, the oil-water separator is provided with a liquid inlet, a water outlet and an oil outlet, the air outlet of the pyrolysis device is communicated with the air inlet of the steam-water separator, the liquid outlet of the steam-water separator is communicated with the liquid inlet of the oil-water separator, the air outlet of the steam-water separator forms the air outlet of the oil-water mixed steam separating device, the water outlet of the oil-water separator forms the water outlet of the oil-water mixed steam separating device, the oil outlet of the oil-water separator forms the oil outlet of the oil-water mixed steam separating device, the air inlet of the steam-water separator forms the air inlet of the oil-water mixed steam separating device, wherein, it liquefies part of the components in the steam-water mixture into liquid, and the rest gas and the liquefied liquid are respectively led out, and an oil-water separator is the prior art.
Among them, preferably, the flame retardant protective gas is preferably nitrogen.
Wherein, it is preferred, every the upper end of feed storehouse has the through-hole, and through-hole department installs the check valve, and the check valve is used for avoiding in the outside air enters into the feed storehouse through the through-hole, and when so when the feed storehouse was filled to the feed storehouse, the fatlute in the feed storehouse filled the feed storehouse gradually and extruded the gas in the feed storehouse and made the air in the feed storehouse outer arranging, in order to further reduce the air content in the feed storehouse, so accessible feed storehouse air inlet sweeps fire-retardant protective gas and comes the air to exhaust to its inside.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An oil sludge pyrolysis treatment system is characterized by comprising a pyrolysis device (1), a sludge collection device (2) and an oil-water mixed steam separation device (3), the pyrolysis device (1) is provided with a feed inlet, a discharge outlet and an air outlet, the sludge collecting device (2) is provided with a feed inlet and a discharge outlet, the oil-water mixed gas separation device (3) is provided with a gas inlet, a oil outlet, a gas outlet and a water outlet, the discharge hole of the pyrolysis device (1) is communicated with the feed hole of the sludge collection device (2), the air outlet of the pyrolysis device is communicated with the air inlet of the oil-water mixed gas separation device (3), the pyrolysis device (1) is used for vaporizing oil-water components in the oil sludge at high temperature and escaping from the oil sludge, the oil-water mixed gas separation device (3) is used for separating oil, water and gas in the gas components in the pyrolysis device (1).
2. The sludge pyrolysis treatment system of claim 1, further comprising two sealed feed bins (4), wherein the feed bins (4) have feed ports at upper ends thereof, the lower end of the feeding bin is provided with a discharging hole, the discharging holes of the two feeding bins (4) are communicated with the feeding hole of the pyrolysis device (1), and the communication part of the two is respectively provided with a first valve (41), the feed inlets of the two feed bins (4) are respectively provided with a second valve (42), the two first valves (41) are opened alternatively to add the oil sludge into the two feed bins (4), the two second valves (42) are opened alternatively to discharge the oil sludge in the two feed bins (4) into the pyrolysis device (1), and a first valve (41) and a second valve (42) corresponding to the same feeding bin (4) are alternatively opened.
3. The system for the pyrolysis treatment of oil sludge according to claim 2, further comprising a raw material crushing device (5), wherein the raw material crushing device (5) is provided with a feeding port and a discharging port, the raw material crushing device (5) is used for crushing the oil sludge, and the discharging ports of the raw material crushing device are used for respectively feeding the feeding ports of the two feeding bins (4).
4. The oil sludge pyrolysis treatment system according to claim 2, wherein the sludge collection device (2) comprises two sealed discharge bins (21), each discharge bin (21) has a feed inlet and a discharge outlet, the feed inlets of the two discharge bins (21) are both communicated with the discharge outlet of the pyrolysis device (1), a third valve (22) is arranged at the communication position, a fourth valve (23) is arranged at the discharge outlet of the two discharge bins (21), the two third valves (22) are alternately opened to respectively collect the sludge pyrolyzed by the pyrolysis device (1), the two fourth valves (23) are alternately opened to respectively discharge the sludge in the two discharge bins (21), and the third valve (22) and the fourth valve (23) corresponding to the same discharge bin (21) are alternatively opened.
5. The sludge pyrolysis treatment system of claim 4 wherein the feed bin (4) further has an inlet port communicating with the interior thereof, the inlet port of the feed bin (4) being configured to purge the feed bin (4) of the combustion-retarding protective gas.
6. The oil sludge pyrolysis treatment system according to claim 5, wherein the discharge bin (21) is further provided with a gas inlet and a gas outlet communicated with the inside of the discharge bin, the gas inlet of the discharge bin (21) is used for blowing the flame-retardant protective gas into the discharge bin (21), and the flame-retardant protective gas blown into the discharge bin (21) is discharged through the gas outlet of the discharge bin and carries away oil gas remaining in the discharge bin (21).
7. The oil sludge pyrolysis treatment system according to claim 6, further comprising a fire retardant protective gas supply device (6), wherein the fire retardant protective gas supply device (6) has an air outlet, the air outlet of the fire retardant protective gas supply device is respectively communicated with the air inlets of the feeding bin (4) and the discharging bin (21), a ninth valve (43) is arranged at the communication position of the air outlet of the fire retardant protective gas supply device (6) and the air inlet of the feeding bin (4), a tenth valve (25) is arranged at the communication position of the air outlet of the fire retardant protective gas supply device (6) and the discharging bin (21), and an eleventh valve (24) is arranged at the air outlet of the discharging bin (21).
8. The oil sludge pyrolysis treatment system according to claim 7, further comprising an oil collection tank (31) and a water collection tank (32), wherein the oil collection tank (31) has an oil inlet and an oil outlet, the water collection tank (32) has a water inlet and a water outlet, the oil inlet of the oil collection tank (31) is communicated with the oil outlet of the oil-water mixed steam separation device (3), a fifth valve (311) is arranged at the communication position of the oil inlet and the oil outlet, a sixth valve (312) is arranged at the oil outlet of the oil collection tank (31), the water inlet of the water collection tank (32) is communicated with the water outlet of the oil-water mixed steam separation device (3), a seventh valve (321) is arranged at the communication position of the oil inlet and the oil outlet, and an eighth valve (322) is arranged at the water outlet of the water collection tank (32).
9. The oil sludge pyrolysis treatment system according to claim 8, further comprising a flame retardant protective gas recovery device (7) having an air inlet, a flame retardant protective gas outlet and a residual gas outlet, wherein the flame retardant protective gas supply device (6) has an air inlet, the air outlet of the discharge bin (21) and the air outlet of the oil-water mixed gas separation device (3) are both communicated with the air inlet of the flame retardant protective gas recovery device (7), the flame retardant protective gas outlet of the flame retardant protective gas recovery device (7) is communicated with the air inlet of the flame retardant protective gas supply device (6), and the residual gas outlet of the flame retardant protective gas recovery device (7) is provided with a twelfth valve (71).
10. The oil sludge pyrolysis treatment system according to claim 9, wherein the combustion-retarding protection gas supply device (6) comprises a buffer tank (61) and a gas cylinder (62), the buffer tank (61) is provided with a gas outlet, a gas inlet and a gas filling port, the gas filling port of the buffer tank (61) is used for communicating with the mouth of the gas cylinder, the gas inlet of the buffer tank (61) forms the gas inlet of the combustion-retarding protection gas supply device (6), the gas outlet of the buffer tank (61) forms the gas outlet of the combustion-retarding protection gas supply device (6), and a check valve (611) is arranged at the gas inlet of the buffer tank (61) to prevent the gas in the buffer tank (61) from flowing outwards through the gas inlet thereof.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021405913.9U CN212451119U (en) | 2020-07-16 | 2020-07-16 | Oil sludge pyrolysis treatment system |
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| CN202021405913.9U CN212451119U (en) | 2020-07-16 | 2020-07-16 | Oil sludge pyrolysis treatment system |
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| CN212451119U true CN212451119U (en) | 2021-02-02 |
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