CN211035818U

CN211035818U - Thermal analysis treatment equipment for hazardous waste and solid waste oil-containing silt

Info

Publication number: CN211035818U
Application number: CN201921638002.8U
Authority: CN
Inventors: 李磊
Original assignee: Dongxu Lantian Ecological Environmental Protection Technology Co ltd
Current assignee: Dongxu Lantian Ecological Environmental Protection Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-17
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a danger is useless, admittedly useless oily silt thermal analysis's treatment facility belongs to oily silt treatment facility, including the pyrolysis oven, heating mechanism, processing mechanism, the pyrolysis oven includes the pyrolysis body, the first inlet pipe of roof outside this body of setting pyrolysis, set up at this external diapire of pyrolysis and be located the first discharging pipe under the first inlet pipe, set firmly this internal baffle of pyrolysis, go up driving motor, driving motor down, the baffle is divided into the cavity on with the pyrolysis body is inside, cavity down, be provided with in the cavity on going up and carry the subassembly, the material passing mouth has been seted up to the one end that first inlet pipe was kept away from to the baffle, be provided with down in the cavity and carry the subassembly, the lateral wall of pyrolysis body is provided with the first outlet duct that is linked together with cavity down. This treatment facility, steam have improved heat exchange efficiency to material direct heating, and the baffle is divided into upper plenum and lower cavity with the pyrolysis oven moreover, has increased the contact time of steam and material, has improved the practicality of pyrolysis oven.

Description

Thermal analysis treatment equipment for hazardous waste and solid waste oil-containing silt

Technical Field

The utility model relates to an oiliness silt particle treatment facility, in particular to thermal analysis's of useless, solid useless oiliness silt particle of danger treatment facility.

Background

The oil-containing silt is waste residue formed by mixing oil stain and silt left in the process of oil field exploitation, is common one of dangerous wastes, can cause soil salinization and poisoning, and can enter a food chain system through water sources or crops, so that potential safety hazards are caused to animals and human beings. In the prior art, a chemical hot washing technology, a combustion technology, a pyrolysis technology, a steam injection technology, a normal-temperature solvent extraction technology and a microorganism repairing technology are generally adopted. The pyrolysis technology is that oil-containing silt is heated to a certain temperature, so that macromolecular hydrocarbon substances in the silt are cracked to form small molecules, and the small molecules are volatilized from the silt.

At present, patent document with the publication number of CN201648205U discloses an oil field sludge drying treatment combination device, which comprises a sludge hopper, a screw conveyor, a paddle dryer, a cyclone separator and an oil-water separator, wherein the lower end of the sludge hopper is connected with the screw conveyor, and the sludge hopper continuously and uniformly sends wet sludge into the paddle dryer connected with a pipeline at the lower end of the screw conveyor through the lower screw conveyor; the hollow shaft of the paddle dryer, the hollow blades on the shaft and the honeycomb jacket are communicated with a high-temperature heating medium, moisture evaporated from the paddle dryer enters an inlet of a connected cyclone separator, purified moisture enters a connected oil-water separator to cool and separate oil gas, and oil is recovered to a connected oil storage tank to be used as fuel. According to the combined device, the high-temperature heating medium heats the material through the honeycomb jacket, the hollow shaft and the hollow blades at intervals, so that the material is pyrolyzed in the paddle dryer and waste residues and pyrolysis gas are generated, and the high-temperature heating medium is in contact with the material at intervals, so that the heat exchange efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal analysis's of useless, solid useless oiliness silt sand treatment facility of danger, steam has improved heat exchange efficiency to material direct heating, and the baffle divide into upper plenum and lower cavity with the pyrolysis oven in addition, has increased the contact time of steam and material, has improved the practicality of pyrolysis oven.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a thermal analysis's of useless, solid useless oily silt sand treatment facility of danger, includes the pyrolysis oven, sets up the heating mechanism in the pyrolysis oven upper reaches, sets up the processing mechanism in the pyrolysis oven low reaches, processing mechanism includes cyclone, one-level condenser, one-level separator, second grade condenser, the second grade separator that sets gradually in the pyrolysis oven low reaches, the pyrolysis oven includes the pyrolysis body, set up the external roof of pyrolysis body and rather than inside first inlet pipe that is linked together, set up the external diapire of pyrolysis body and rather than inside first discharging pipe that is linked together, set firmly in the pyrolysis body and along horizontal direction's baffle, go up driving motor, lower driving motor, first discharging pipe is located under the first inlet pipe, the baffle divide into upper plenum, lower cavity with pyrolysis body inside, be provided with the transport subassembly in the upper plenum, it makes the transport subassembly function to go up driving motor, the one end that first inlet pipe was kept away from to the baffle is seted up the material passing hole that realizes cavity and cavity down and be linked together, be provided with down transport assembly down in the cavity, drive motor makes transport assembly function down, the lateral wall of pyrolysis body is provided with the first outlet duct that is linked together with cavity down, heating mechanism includes steam over heater, last steam intake pipe, steam outlet duct, combustor, the tail gas outlet duct of being provided with of steam over heater, can dismantle on the steam outlet duct and be connected with the connecting tube, be provided with first electrically controlled valve and flow controller on the connecting tube, the one end that the steam outlet duct was kept away from to the connecting tube stretches into in the pyrolysis oven and is located the inside top of cavity, be provided with the jet-propelled pipe along the direction of feeding on the connecting tube, be provided with a plurality of steam shower nozzles on.

Through adopting above-mentioned technical scheme, the external saturated steam of steam intake pipe, the combustor heats steam, form high-temperature steam, set up first automatically controlled valve and flow controller on the connecting tube, be convenient for control the addition of steam in the pyrolysis oven, steam passes through the connecting tube, jet-propelled pipe, in the steam shower nozzle gets into the upper plenum, steam directly heats the material, heat exchange efficiency has been improved, and the baffle divide into upper plenum and lower cavity with the pyrolysis oven, the contact time of steam and material has been increased, the practicality of pyrolysis oven has been improved.

The utility model discloses further set up to: the upper conveying assembly comprises an upper conveying shaft which is rotatably connected in the pyrolysis body and along the feeding direction, and an upper spiral conveying blade fixedly arranged on the outer peripheral surface of the upper conveying shaft, the top surface of the partition plate is arranged to be an upper arc surface matched with the upper spiral conveying blade, and the upper conveying shaft is driven to rotate by the upper driving motor.

Through adopting above-mentioned technical scheme, go up driving motor and drive and carry the axle and rotate, go up and carry the axle and drive the function of last auger delivery blade, go up auger delivery blade and promote the material and remove, the pyrolysis gas that produces along with the material removes simultaneously along with the material to in the material passing opening on the follow baffle gets into cavity down.

The utility model discloses further set up to: the lower conveying assembly comprises a lower conveying shaft which is rotatably connected in the pyrolysis body and along the feeding direction, and a lower spiral conveying blade which is fixedly arranged on the outer peripheral surface of the lower conveying shaft, the inner bottom surface of the pyrolysis body is arranged to be a lower arc surface matched with the lower spiral conveying blade, and the lower conveying shaft is driven by a lower driving motor to rotate.

Through adopting above-mentioned technical scheme, carry the axle to rotate under the drive motor drives down, carry the axle to drive down auger delivery blade function, auger delivery blade promotes the material and removes down, and meanwhile the pyrolysis gas that the material pyrolysis produced moves along with the material to discharge from first outlet duct, the waste residue that the material pyrolysis produced is discharged from first discharging pipe.

The utility model discloses further set up to: the cyclone separator is provided with a second air inlet pipe, a second air outlet pipe and a second discharging pipe, a second connecting pipe is detachably connected between the second air inlet pipe and the first air outlet pipe, and a second storage barrel is arranged below the second discharging pipe.

Through adopting above-mentioned technical scheme, pyrolysis gas is through cyclone and produce the dust, makes the separation of dust more convenient, sets up the second storage vat in the below of second discharging pipe moreover, the collection of the dust of being convenient for to centralized processing.

The utility model discloses further set up to: the one-level condenser comprises a first condensation body, a first condensation pipe which is arranged in the first condensation body and is S-shaped along the height direction, a first cold water outlet pipe and a first cold water inlet pipe which are communicated with the first condensation body are arranged on the first condensation body, a third air inlet pipe and a third air outlet pipe which are communicated with the first condensation pipe are arranged on the first condensation body, and a third connecting pipe which is communicated with the third air outlet pipe and the cyclone separator is detachably connected between the third air outlet pipe and the cyclone separator.

Through adopting above-mentioned technical scheme, pyrolysis gas is primary cooling in the one-level condenser to produce oil-gas mixture a, because first condenser pipe is S-shaped distribution, be convenient for discharge oil-gas mixture a into the one-level separator, improved the stability that the one-level condenser used.

The utility model discloses further set up to: the first-stage separator comprises a separation body and a fourth storage vat arranged below the separation body, a fourth air inlet pipe, a fourth air outlet pipe and a fourth discharge pipe which are communicated with the inside of the separation body are arranged on the separation body, and a fourth connecting pipe for realizing the communication between the fourth air inlet pipe and the first-stage condenser is detachably connected between the fourth air inlet pipe and the first-stage condenser.

Through adopting above-mentioned technical scheme, oil-gas mixture a separates and produces organic oil a and pyrolysis gas a in the primary separator, and pyrolysis gas a gets into the second grade condenser, and organic oil a gets into in the fourth storage vat, makes oil-gas mixture a's separation more convenient.

The utility model discloses further set up to: the second grade condenser includes the second condensation body, sets up and is the second condenser pipe of S-shaped in this body of second condensation and along the direction of height, be provided with on the second condensation body rather than inside second cold water outlet pipe, the cold water inlet tube of second that are linked together, be provided with fifth intake pipe, the fifth outlet duct that are linked together with the second condenser pipe on the second condensation body, can dismantle between fifth outlet duct and the one-level separator and be connected with the fifth connecting pipe that realizes both to be linked together.

By adopting the technical scheme, the pyrolysis gas a is cooled in the secondary condenser, and the oil-gas mixture b is generated, and the second condenser pipe is distributed in an S shape, so that the oil-gas mixture b is conveniently discharged into the secondary separator, and the use stability of the secondary condenser is improved.

The utility model discloses further set up to: the quantity of second grade separator is two, and the second grade separator includes the separation barrel, sets up at the three sixth storage vat of separation barrel below, be provided with on the separation barrel rather than inside sixth intake pipe, sixth outlet duct, the sixth discharging pipe that is linked together, be provided with the sixth electrically controlled valve in the sixth intake pipe, be provided with the seventh electrically controlled valve on the sixth discharging pipe, the quantity of sixth discharging pipe is three, three sixth discharging pipe and three sixth storage vat one-to-one, two can dismantle between the sixth intake pipe of second grade separator and be connected with the communicating pipe that realizes both to be linked together, can dismantle between communicating pipe and the second grade condenser and be connected with the sixth connecting pipe that realizes both to be linked together.

By adopting the technical scheme, the pyrolysis gas a is cooled in the secondary condenser and generates the oil-gas mixture b, the oil-gas mixture b is stood for layering in the separation cylinder, water enters a sixth storage barrel through a sixth discharge pipe, the oil-water mixture at the water-oil junction enters another sixth storage barrel through another sixth discharge pipe, and the organic oil b enters the remaining sixth storage barrel through the remaining sixth discharge pipe, so that the separation of the organic oil b, the water and the oil-water mixture is completed.

The utility model discloses further set up to: and a circulating pipe is arranged between one of the sixth storage barrels and the separation barrel, and a circulating electric control valve and a circulating pump are arranged on the circulating pipe.

By adopting the technical scheme, the oil-water mixture enters the separation barrel through the circulating pipe to be separated again, so that the separation effect of the organic oil b and the water is improved, the amount of the oil-water mixture is reduced, and the practicability of the treatment equipment is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a thermal analytic treatment facility of useless, the solid oily silt sand of danger, steam have improved heat exchange efficiency to material direct heating, and the baffle divide into upper plenum and lower cavity with the pyrolysis oven in addition, has increased the contact time of steam and material, has improved the practicality of pyrolysis oven.

2. The pyrolysis gas is cooled in the first-stage condenser and generates an oil-gas mixture a, the oil-gas mixture a is separated in the first-stage separator and generates organic oil a and the pyrolysis gas a, the pyrolysis gas a is cooled in the second-stage condenser and generates an oil-gas mixture b, the oil-gas mixture b is separated in the second-stage separator and generates organic oil b, water and an oil-water mixture, and through mutual matching of the first-stage condenser, the first-stage separator, the second-stage condenser and the second-stage separator, recycling of the organic oil a and the organic oil b is achieved, and influences of materials on the environment are reduced.

3. The number of the two-stage separators is two, and the two-stage separators are matched for use, so that the separation of the organic oil b, water and an oil-water mixture is more convenient and more stable.

4. Set up the circulating pipe between sixth storage vat and separation barrel, not only improved the separation effect of organic oil b, water, reduced oil-water mixture's volume moreover, improved treatment facility's practicality.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a partial cross-sectional view for showing the upper and lower conveyor assemblies;

FIG. 3 is a partial cross-sectional view for illustrating a gas lance, vapor nozzle;

FIG. 4 is a schematic view for showing the structure of a processing mechanism;

fig. 5 is a partial sectional view for illustrating a first condensation duct;

fig. 6 is a partial sectional view for illustrating the second condensation duct.

In the figure, 1, a pyrolysis furnace; 11. pyrolyzing the body; 111. an upper cavity; 112. a lower cavity; 12. a first feed tube; 13. a partition plate; 131. a material passing port; 14. a first discharge pipe; 15. a first air outlet pipe; 16. an upper conveying assembly; 161. an upper conveying shaft; 162. an upper screw conveying blade; 17. an upper drive motor; 18. a lower conveying assembly; 181. a lower conveying shaft; 182. a lower screw conveying blade; 19. a lower drive motor; 2. a steam superheater; 21. a steam inlet pipe; 22. a steam outlet pipe; 23. connecting a pipeline; 231. a first electrically controlled valve; 232. a flow controller; 24. a gas ejector tube; 25. a steam spray head; 26. a burner; 27. a tail gas outlet pipe; 3. a cyclone separator; 31. a second intake pipe; 32. a second air outlet pipe; 33. a second discharge pipe; 331. a second electrically controlled valve; 34. a second connecting pipe; 35. a second storage vat; 4. a first-stage condenser; 41. a first condensing body; 42. a third intake pipe; 43. a third connecting pipe; 44. a third air outlet pipe; 45. a first condenser pipe; 451. a first protrusion; 46. a first cold water outlet pipe; 47. a first cold water inlet pipe; 5. a first stage separator; 51. separating the body; 52. a fourth intake pipe; 53. a fourth connecting pipe; 54. a fourth air outlet pipe; 55. a fourth discharge pipe; 551. a fourth electrically controlled valve; 56. a fourth storage vat; 6. a secondary condenser; 61. a second condensing body; 62. a fifth intake pipe; 63. a fifth air outlet pipe; 64. a fifth connecting pipe; 65. a second condenser pipe; 651. a second protrusion; 66. a second cold water outlet pipe; 67. a second cold water inlet pipe; 7. a secondary separator; 71. separating the cylinder body; 72. a sixth air outlet pipe; 721. a demister; 73. a sixth intake pipe; 731. a sixth electrically controlled valve; 74. a sixth discharge pipe; 741. a seventh electrically controlled valve; 75. a sixth storage vat; 8. a communicating pipe; 81. a sixth connecting pipe; 9. a circulation pipe; 91. a circulating electrically controlled valve; 92. and a circulating pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The utility model provides a useless, useless oily silt sand thermal desorption's of solid treatment facility, as shown in figure 1, is including being used for carrying out the pyrolysis oven 1 of pyrolysis to the material, and the material is pyrolyzed and produces waste residue and pyrolysis gas in pyrolysis oven 1. One side of the pyrolysis furnace 1 is provided with a heating mechanism for heating the pyrolysis furnace, and one side of the pyrolysis furnace 1 is provided with a processing mechanism for processing pyrolysis gas.

As shown in fig. 2 and fig. 3, the pyrolysis furnace 1 includes a pyrolysis body 11, the pyrolysis body 11 is a hollow cuboid, and a first feeding pipe 12 communicated with the inside of the pyrolysis body 11 is fixedly arranged on an outer top wall of one end of the pyrolysis body 11 along a length direction thereof. Set firmly baffle 13 along the horizontal direction in the pyrolysis body 11, baffle 13 sets up to the cuboid shaped plate, and baffle 13 with pyrolysis body 11 inside divide into upper cavity 111, lower cavity 112, and the material passing opening 131 that realizes that upper cavity 111, lower cavity 112 are linked together is seted up to the one end that first inlet pipe 12 was kept away from to baffle 13. The outer bottom wall of the pyrolysis body 11 is fixedly provided with a first discharge pipe 14 communicated with the inside of the pyrolysis body, the first discharge pipe 14 is positioned under the first feed pipe 12, and the outer side wall of the pyrolysis body 11 is fixedly provided with a first gas outlet pipe 15 communicated with the inside of the lower cavity 112 above the first discharge pipe 14. An upper conveying assembly 16 used for pushing materials to move in the direction away from the first feeding pipe 12 is arranged in the upper cavity 111, an upper driving motor 17 used for enabling the upper conveying assembly 16 to operate is installed on the outer side wall of the pyrolysis furnace 1, a lower conveying assembly 18 used for pushing the materials to move in the direction close to the second discharging pipe 33 is arranged in the lower cavity 112, and a lower driving motor 19 used for enabling the lower conveying assembly 18 to operate is installed on the outer side wall of the pyrolysis furnace 1.

As shown in fig. 2 and 3, the upper conveying assembly 16 includes an upper conveying shaft 161 disposed along the length direction of the partition 13, two ends of the upper conveying shaft 161 are rotatably connected to the inner side wall of the pyrolysis body 11, an upper spiral conveying blade 162 is fixedly disposed on the outer circumferential surface of the upper conveying shaft 161 along the axial direction thereof, and one end of the upper conveying shaft 161 penetrates through the side wall of the pyrolysis body 11 and is mounted on the output shaft of the upper driving motor 17. The top surface of the partition 13 is provided with an upper arc surface adapted to the upper conveying screw 162, and the axis of the upper arc surface coincides with the axis of the upper conveying shaft 161.

As shown in fig. 2 and 3, the lower conveying assembly 18 includes a lower conveying shaft 181 parallel to the upper conveying shaft 161, two ends of the lower conveying shaft 181 are rotatably connected to the inner side wall of the pyrolysis body 11, a lower spiral conveying blade 182 is fixedly disposed on the outer circumferential surface of the lower conveying shaft 181 along the axial direction thereof, and one end of the lower conveying shaft 181 penetrates through the side wall of the pyrolysis body 11 and is mounted on the output shaft of the lower driving motor 19. The bottom wall of the pyrolysis body 11 is set to be a lower arc surface matched with the lower spiral conveying blade 182, the axis of the lower arc surface is overlapped with the axis of the lower conveying shaft 181, and at this time, the first air outlet pipe 15 is located between the lower conveying shaft 181 and the partition plate 13.

As shown in fig. 2 and fig. 3, the heating mechanism includes a steam superheater 2, a steam inlet pipe 21 communicated with the inside of the steam superheater 2 is arranged on the steam superheater 2, a steam outlet pipe 22 is arranged on the steam superheater 2, one end of the steam inlet pipe 21, which is far away from the steam superheater 2, is introduced into saturated steam through an external pipeline, one end of the steam outlet pipe 22, which is far away from the steam superheater 2, is detachably connected with a connecting pipeline 23 communicated with the inside of the steam outlet pipe, a first electric control valve 231 and a flow controller 232 are arranged on the connecting pipeline 23, one end of the connecting pipeline 23, which is far away from the steam outlet pipe 22, penetrates through the side wall of the pyrolysis furnace. One end of the connecting pipeline 23 far away from the steam outlet pipe 22 is fixedly provided with an air injection pipe 24 communicated with the inside of the connecting pipeline, the air injection pipe 24 is arranged along the feeding direction, the peripheral surface of the air injection pipe 24 is uniformly and fixedly provided with a plurality of steam nozzles 25 communicated with the inside of the air injection pipe along the length direction, and the air outlets of the steam nozzles 25 are arranged downwards. The bottom of steam superheater 2 has a combustor 26 that can be dismantled, and combustor 26 heats the steam in steam superheater 2, and steam superheater 2's outer parietal sets firmly the tail gas outlet duct 27 that is linked together rather than inside.

As shown in fig. 1 and 4, the processing mechanism comprises a cyclone separator 3 arranged on one side of the pyrolysis furnace 1, pyrolysis gas removes dust and generates dust in the cyclone separator 3, a primary condenser 4, a primary separator 5, a secondary condenser 6 and a secondary separator 7 are sequentially arranged at the downstream of the cyclone separator 3, the pyrolysis gas is cooled in the primary condenser 4 and generates an oil-gas mixture a, the oil-gas mixture a is separated in the primary separator 5 and generates organic oil a and pyrolysis gas a, the pyrolysis gas a is cooled in the secondary condenser 6 and generates an oil-gas mixture b, and the oil-gas mixture b is separated in the secondary separator 7 and generates organic oil b, water and an oil-water mixture.

As shown in fig. 1 and 4, a second gas inlet pipe 31, a second gas outlet pipe 32, and a second gas outlet pipe 33 are provided on the cyclone separator 3, and as shown in fig. 5, a second connecting pipe 34 for connecting the second gas inlet pipe 31 and the first gas outlet pipe 15 is detachably connected between the second gas inlet pipe 31 and the first gas outlet pipe, a second electric control valve 331 is provided on the second gas outlet pipe 33, and a second material storage bucket 35 is provided below the second gas outlet pipe 33.

As shown in fig. 4 and 5, the primary condenser 4 includes a first condensing body 41, the first condensing body 41 is a hollow cuboid, a third air inlet pipe 42 communicated with the inside of the first condensing body 41 is fixedly arranged on the top of the outer side wall of the first condensing body 41, and a third connecting pipe 43 for realizing the communication between the first condensing body 41 and the second air outlet pipe 32 is detachably connected between one end of the third air inlet pipe 42 far away from the first condensing body 41 and the second air outlet pipe 32. The bottom of the outer diapire of first condensation body 41 has set firmly the third outlet duct 44 that is linked together rather than inside, set firmly first condenser pipe 45 between third outlet duct 44 and the third inlet duct 42, evenly set firmly a plurality of first archs 451 on the lateral wall of first condenser pipe 45, first protruding 451 is the first protruding 451 of first condenser pipe 45 inside wall to keeping away from its axis direction sunken formation, first condenser pipe 45 is located first condensation body 41, and first condenser pipe 45 is the setting of S-shaped along the direction of height. The outer top wall of the first condensation body 41 is fixedly provided with a first cold water outlet pipe 46 communicated with the inside of the first condensation body, the outer bottom wall of the first condensation body 41 is fixedly provided with a first cold water inlet pipe 47 communicated with the inside of the first condensation body, and the first cold water inlet pipe 47 is communicated with cold water through an external pipeline.

As shown in fig. 4 and 5, the primary separator 5 includes a separating body 51, the separating body 51 is a hollow cylinder, a fourth air inlet pipe 52 communicated with the inside of the separating body 51 is fixedly arranged at the top of the outer side wall of the separating body 51, and a fourth connecting pipe 53 for realizing the communication between the end of the fourth air inlet pipe 52 far away from the separating body 51 and the third air outlet pipe 44 is detachably connected between the end of the fourth air inlet pipe and the third air outlet pipe. The top of the outer side wall of the separation body 51 is further fixedly provided with a fourth gas outlet pipe 54 communicated with the inside of the separation body 51, the outer bottom wall of the separation body 51 is fixedly provided with a fourth discharge pipe 55 communicated with the inside of the separation body, a fourth electric control valve 551 is arranged on the fourth discharge pipe 55, and a fourth storage barrel 56 is arranged below the fourth discharge pipe 55.

As shown in fig. 4 and 6, the secondary condenser 6 includes a second condensation body 61, the second condensation body 61 is a hollow cuboid, a fifth air inlet pipe 62 communicated with the inside of the second condensation body 61 is fixedly arranged at the top of the outer side wall of the second condensation body 61, a fifth air outlet pipe 63 communicated with the inside of the second condensation body 61 is fixedly arranged at the bottom of the outer side wall of the second condensation body 61, and a fifth connecting pipe 64 for realizing the communication between the fifth air inlet pipe 62 and the fourth air outlet pipe 54 is detachably connected between one end of the second condensation body 61 and the fourth air outlet pipe 54. A second condensation pipe 65 is fixedly arranged between the fifth air outlet pipe 63 and the fifth air inlet pipe 62, a plurality of second bulges 651 are uniformly and fixedly arranged on the side wall of the second condensation pipe 65, the second bulges 651 are second bulges 651 formed by the inner side wall of the second condensation pipe 65 in a direction away from the axis direction, the second condensation pipe 65 is positioned in the second condensation body 61, and the second condensation pipe 65 is arranged in an S shape along the height direction. A second cold water outlet pipe 66 communicated with the inside of the second condensation body 61 is fixedly arranged on the outer top wall of the second condensation body 61, a second cold water inlet pipe 67 communicated with the inside of the second condensation body 61 is fixedly arranged on the outer bottom wall of the second condensation body 61, and the second cold water inlet pipe 67 is communicated with cold water through an external pipeline.

As shown in fig. 4 and 6, the number of the two-stage separators 7 is two, and the two-stage separators 7 are arranged side by side. The secondary separator 7 comprises a separation cylinder 71, the separation cylinder 71 is a hollow cylinder, a sixth air outlet pipe 72 communicated with the inside of the separation cylinder 71 is fixedly arranged on the top wall of the separation cylinder 71, a demister 721 is arranged on the sixth air outlet pipe 72, a sixth air inlet pipe 73 communicated with the inside of the separation cylinder 71 is fixedly arranged on the outer top wall of the separation cylinder 71, and a sixth electric control valve 731 is arranged on the sixth air inlet pipe 73. Three sixth discharging pipes 74 communicated with the inside of the separating cylinder 71 are fixedly arranged on the outer bottom wall of the separating cylinder at intervals, a seventh electric control valve 741 is arranged on the sixth discharging pipes 74, and sixth storage barrels 75 are respectively arranged below the three sixth discharging pipes 74, namely the number of the sixth storage barrels 75 is three. A communicating pipe 8 for realizing the communication between the sixth inlet pipes 73 of the two separation cylinders 71 is detachably connected between the sixth inlet pipes 73, and a sixth connecting pipe 81 for realizing the communication between the sixth inlet pipe 8 and the fifth outlet pipe 63 is detachably connected between the fifth outlet pipe 63 and the sixth inlet pipe.

As shown in fig. 4 and fig. 6, in order to improve the practicability of the two-stage separator 7, a circulation pipe 9 is provided between one of the sixth storage tanks 75 and the separation cylinder 71 for realizing the communication therebetween, one end of the circulation pipe 9 is fixedly disposed on the top of the outer sidewall of the separation cylinder 71, the other end thereof extends into the sixth storage tank 9, and the circulation pipe 9 is provided with an electric control circulation valve 91 and a circulation pump 92.

The external saturated steam of steam intake pipe 21, combustor 26 heats steam, forms high temperature steam, and steam passes through connecting tube 23, jet-propelled pipe 24, in steam shower nozzle 25 gets into upper plenum 111, steam directly heats the material, has improved heat exchange efficiency, and baffle 13 is divided into upper plenum 111 and lower cavity 112 with pyrolysis oven 1 in addition, has increased the contact time of steam and material. The waste residue and the pyrolysis gas are generated by material pyrolysis, the waste residue is discharged from the first discharge pipe 14, the pyrolysis gas generates an oil-gas mixture a through the first-stage condenser 4, the oil-gas mixture a generates organic oil a and the pyrolysis gas a through the first-stage separator 5, the organic oil a is recycled, the pyrolysis gas a generates an oil-gas mixture b through the second-stage condenser 6, the oil-gas mixture b passes through the second-stage separator 7 and is separated through the second-stage separator 7 to form an organic oil b, water and an oil-water mixture, and the oil-water mixture enters the separation barrel 71 through the circulating pipe 9.

Set up first arch 451 on first condenser pipe 45 simultaneously, increased first condenser pipe 45's area, improved the heat exchange rate, set up second arch 651 on second condenser pipe 65, increased second condenser pipe 65's area, improved the heat exchange rate, the quantity of second grade separator 7 sets up to two, and two second grade separators 7 cooperate the use, make organic oil b, water, oil-water mixture's separation more convenient, more stable.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a useless, useless oily silt sand thermal analysis's of solid treatment facility of danger, includes pyrolysis oven (1), sets up at the heating mechanism of pyrolysis oven (1) upper reaches, sets up the processing mechanism in pyrolysis oven (1) low reaches, its characterized in that: the treatment mechanism comprises a cyclone separator (3), a first-stage condenser (4), a first-stage separator (5), a second-stage condenser (6) and a second-stage separator (7) which are sequentially arranged on the downstream of a pyrolysis furnace (1), the pyrolysis furnace (1) comprises a pyrolysis body (11), a first feeding pipe (12) which is arranged on the outer top wall of the pyrolysis body (11) and communicated with the interior of the pyrolysis body, a first discharging pipe (14) which is arranged on the outer bottom wall of the pyrolysis body (11) and communicated with the interior of the pyrolysis body, a partition plate (13) which is fixedly arranged in the pyrolysis body (11) and extends along the horizontal direction, an upper driving motor (17) and a lower driving motor (19), the first discharging pipe (14) is positioned under the first feeding pipe (12), the partition plate (13) divides the interior of the pyrolysis body (11) into an upper cavity (111) and a lower cavity (112), an upper conveying assembly (16) is arranged in the, the upper driving motor (17) enables the upper conveying assembly (16) to operate, one end, far away from the first feeding pipe (12), of the partition plate (13) is provided with a material passing hole (131) for communicating the upper cavity (111) with the lower cavity (112), the lower conveying assembly (18) is arranged in the lower cavity (112), the lower driving motor (19) enables the lower conveying assembly (18) to operate, the outer side wall of the pyrolysis body (11) is provided with a first air outlet pipe (15) communicated with the lower cavity (112), the heating mechanism comprises a steam superheater (2), the steam superheater (2) is provided with a steam inlet pipe (21), a steam outlet pipe (22), a burner (26) and a tail gas outlet pipe (27), the steam outlet pipe (22) is detachably connected with a connecting pipeline (23), and the connecting pipeline (23) is provided with a first electric control valve (231) and a flow controller (232), one end of the connecting pipeline (23) far away from the steam outlet pipe (22) extends into the pyrolysis furnace (1) and is positioned above the inner part of the upper cavity (111), the connecting pipeline (23) is provided with an air injection pipe (24) along the feeding direction, and the air injection pipe (24) is provided with a plurality of steam nozzles (25).

2. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the upper conveying assembly (16) comprises an upper conveying shaft (161) which is rotatably connected in the pyrolysis body (11) along the feeding direction and an upper spiral conveying blade (162) fixedly arranged on the outer peripheral surface of the upper conveying shaft (161), the top surface of the partition plate (13) is arranged into an upper arc surface matched with the upper spiral conveying blade (162), and the upper conveying shaft (161) is driven to rotate by the upper driving motor (17).

3. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the lower conveying assembly (18) comprises a lower conveying shaft (181) which is rotatably connected in the pyrolysis body (11) along the feeding direction and a lower spiral conveying blade (182) fixedly arranged on the outer peripheral surface of the lower conveying shaft (181), the inner bottom surface of the pyrolysis body (11) is arranged to be a lower arc surface matched with the lower spiral conveying blade (182), and the lower conveying shaft (181) is driven to rotate by a lower driving motor (19).

4. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the cyclone separator (3) is provided with a second air inlet pipe (31), a second air outlet pipe (32) and a second discharge pipe (33), a second connecting pipe (34) is detachably connected between the second air inlet pipe (31) and the first air outlet pipe (15), and a second storage barrel (35) is arranged below the second discharge pipe (33).

5. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the one-level condenser (4) comprises a first condensation body (41), a first condensation pipe (45) which is arranged in the first condensation body (41) and is S-shaped along the height direction, a first cold water outlet pipe (46) and a first cold water inlet pipe (47) which are communicated with the first condensation body (41) are arranged on the first condensation body (41), a third air inlet pipe (42) and a third air outlet pipe (44) which are communicated with the first condensation pipe (45) are arranged on the first condensation body (41), and a third connecting pipe (43) which is communicated with the third air outlet pipe (44) and the cyclone separator (3) is detachably connected between the third air outlet pipe (44) and the cyclone separator.

6. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the primary separator (5) comprises a separation body (51) and a fourth storage vat (56) arranged below the separation body (51), wherein a fourth air inlet pipe (52), a fourth air outlet pipe (54) and a fourth discharge pipe (55) communicated with the interior of the separation body (51) are arranged on the separation body (51), and a fourth connecting pipe (53) for realizing the communication between the fourth air inlet pipe (52) and the primary condenser (4) is detachably connected between the fourth air inlet pipe (52) and the primary condenser.

7. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the second-stage condenser (6) comprises a second condensation body (61), a second condensation pipe (65) which is arranged in the second condensation body (61) and is S-shaped along the height direction, a second cold water outlet pipe (66) and a second cold water inlet pipe (67) which are communicated with the second condensation body (61) are arranged on the second condensation body (61), a fifth air inlet pipe (62) and a fifth air outlet pipe (63) which are communicated with the second condensation pipe (65) are arranged on the second condensation body (61), and a fifth connecting pipe (64) which is communicated with the fifth air outlet pipe (63) and the first-stage separator (5) is detachably connected between the fifth air outlet pipe (63) and the first-stage separator.

8. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 1, which is characterized in that: the number of the secondary separators (7) is two, the secondary separators (7) comprise a separation cylinder body (71) and three sixth storage tanks (75) arranged below the separation cylinder body (71), a sixth air inlet pipe (73), a sixth air outlet pipe (72) and a sixth discharge pipe (74) which are communicated with the interior of the separation cylinder body (71) are arranged on the separation cylinder body, a sixth electric control valve (731) is arranged on the sixth air inlet pipe (73), a seventh electric control valve (741) is arranged on the sixth discharge pipe (74), the number of the sixth discharging pipes (74) is three, the three sixth discharging pipes (74) and the three sixth storage barrels (75) are in one-to-one correspondence, a communicating pipe (8) for realizing the communication between the sixth gas inlet pipes (73) of the two secondary separators (7) is detachably connected between the sixth gas inlet pipes, and a sixth connecting pipe (81) for realizing the communication between the communicating pipe (8) and the secondary condenser (6) is detachably connected between the communicating pipe and the secondary condenser.

9. The thermal desorption treatment equipment for the hazardous waste and solid waste oil-containing silt according to claim 8, which is characterized in that: a circulating pipe (9) is arranged between one of the sixth storage barrels (75) and the separation barrel (71), and a circulating electric control valve (91) and a circulating pump (92) are arranged on the circulating pipe (9).