CN212954791U

CN212954791U - Equipment for large-scale treatment of oily sludge

Info

Publication number: CN212954791U
Application number: CN202021187771.3U
Authority: CN
Inventors: 程秀
Original assignee: Tianjin Li Bilang Environmental Technology Co ltd
Current assignee: Tianjin Li Bilang Environmental Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-13
Anticipated expiration: 2030-06-24

Abstract

The application provides equipment for treating oily sludge on a large scale, which comprises an annular track, an annular kiln body and a pyrolysis device; the annular kiln body is movably arranged on the annular track; the annular kiln body comprises a preheating section, a combustion section, a heat preservation section and a cooling section; the pyrolysis device is arranged on the annular track; the pyrolysis device comprises a plurality of pyrolysis tanks; a feed and discharge port and a gas collection branch pipe are arranged on the pyrolysis tank; the feed inlet and the discharge outlet are provided with sealing covers which are in sealing fit with the feed inlet and the discharge outlet; a gas collecting main pipe is arranged below the ground corresponding to the annular track; the gas collecting branch pipe is communicated with the gas collecting main pipe. The equipment for processing the oily sludge on a large scale can realize large-scale continuous pyrolysis; simultaneously, the pyrolysis device includes a plurality of pyrolysis tanks, and the pyrolysis is sealed alone to the oily sludge in every pyrolysis tank, and the gas that the pyrolysis produced gathers into the gas collection house steward through respective gas collection branch pipe and handles in unison, and the volume of the oily sludge that holds in every pyrolysis tank is less to easy burn through is favorable to the abundant pyrolysis to oily sludge, and the pyrolysis is respond well.

Description

Equipment for large-scale treatment of oily sludge

Technical Field

The application relates to the technical field of pyrolysis treatment of solid waste containing organic pollutants in environmental protection, in particular to equipment for treating oily sludge on a large scale.

Background

A large amount of oily sludge is generated in the processes of exploration, development, gathering, transportation, storage and transportation of petroleum. The conventional incineration method is gradually replaced by a pyrolysis treatment method because of problems such as secondary pollution. In the prior art, a rotary kiln is mostly adopted to carry out pyrolysis on oily sludge. However, when the rotary kiln is used for pyrolyzing the oily sludge, a large amount of oily sludge is directly put into the rotary kiln for pyrolysis, and the following problems exist: 1. the sealing is not tight, so that gas generated by pyrolysis leaks out to cause pollution; 2. because a large amount of oil-containing sludge in the kiln is piled together and is not easy to burn through, the pyrolysis effect is poor and the pyrolysis can not be fully carried out.

Disclosure of Invention

The purpose of this application is to solve the above problems and provide a large-scale treatment equipment for oil-containing sludge.

The application provides equipment for treating oily sludge on a large scale, which comprises an annular track, an annular kiln body and a pyrolysis device; the annular kiln body is movably arranged on the annular track; the annular kiln body comprises a preheating section, a combustion section, a heat preservation section and a cooling section; the pyrolysis device is arranged on the annular track; the pyrolysis apparatus comprises a plurality of pyrolysis tanks; a feed and discharge port and a gas collection branch pipe are arranged on the pyrolysis tank; a sealing cover which is in sealing fit with the material inlet and the material outlet is arranged at the material inlet and the material outlet; a gas collecting main pipe is arranged below the ground corresponding to the annular track; the gas collecting branch pipe is communicated with the gas collecting main pipe.

According to the technical scheme provided by certain embodiments of the application, the pyrolysis tank is cylindrical or rectangular box-shaped.

According to the technical scheme provided by some embodiments of the application, a water vapor inlet pipe is arranged at the bottom of the pyrolysis tank; and a steam inlet main pipe communicated with the steam inlet pipe is arranged below the ground corresponding to the annular track.

According to the technical scheme provided by some embodiments of the application, an air inlet pipe is arranged at the bottom of the pyrolysis tank; and an air inlet main pipe communicated with the air inlet pipe is arranged below the ground corresponding to the annular track.

Compared with the prior art, the beneficial effect of this application: when the equipment for treating oily sludge on a large scale is used, only the pyrolysis device is required to be arranged on the annular track, the annular kiln body moves to the pyrolysis device along the annular track to carry out pyrolysis on the annular kiln body, and meanwhile, the pyrolysis device can be continuously placed in front of the moving direction of the annular kiln body, so that large-scale continuous pyrolysis is realized; the pyrolysis device comprises a plurality of pyrolysis tanks, the oily sludge in each pyrolysis tank is independently sealed and pyrolyzed, gas generated by pyrolysis is converged into the gas collection main pipe through respective gas collection branch pipes for uniform treatment, and compared with the method of directly putting a large amount of oily sludge into the kiln for pyrolysis, the amount of the oily sludge contained in each pyrolysis tank is small, so that the oily sludge is easy to burn through, the oily sludge is favorably and fully pyrolyzed, and the pyrolysis effect is good; the pyrolysis tank has good sealing performance, and can effectively prevent gas generated by pyrolysis from leaking out to cause pollution.

Drawings

FIG. 1 is a schematic top view of an apparatus for large-scale treatment of oily sludge according to example 1 of the present application;

FIG. 2 is a schematic cross-sectional view showing the structure of an apparatus for large-scale treatment of oily sludge according to example 1 of the present application;

FIG. 3 is a schematic view showing the structure of a pyrolysis tank of an apparatus for mass-treating oily sludge, which is provided in example 1 of the present application;

FIG. 4 is a schematic cross-sectional view showing the structure of an apparatus for large-scale treatment of oily sludge according to example 2 of the present application;

FIG. 5 is a schematic view showing the structure of a pyrolysis tank of an apparatus for mass-treating oily sludge, provided in example 2 of the present application.

The text labels in the figures are represented as:

1. an annular track; 2. an annular kiln body; 3. a pyrolysis device; 4. a preheating section; 5. a combustion section; 6. a heat preservation section; 7. a cooling section; 8. a pyrolysis tank; 9. feeding and discharging ports; 10. gas collection branch pipes; 11. a sealing cover; 12. a gas collection header pipe; 13. a water vapor inlet pipe; 14. a water vapor intake manifold; 15. an air inlet pipe; 16. an air intake manifold; 17. a cylindrical tank body; 18. a groove hoop; 19. a temperature sensor; 20. a support leg; 21. a rectangular tank body.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Example 1

Referring to fig. 1 to 3, the present embodiment provides an apparatus for large-scale treatment of oily sludge, including an annular track 1, an annular kiln body 2 and a pyrolysis device 3; the annular kiln body 2 is movably arranged on the annular track 1; the annular kiln body 2 comprises a preheating section 4, a combustion section 5, a heat preservation section 6 and a cooling section 7; the pyrolysis device 3 is arranged on the annular track 1; the pyrolysis apparatus 3 comprises a plurality of pyrolysis tanks 8; the pyrolysis tank 8 is cylindrical and comprises a cylindrical tank body 17; the top of the cylindrical tank body 17 is provided with a feed inlet and discharge port 9 and a gas collection branch pipe 10; the material inlet and outlet 9 is used for placing oil-containing sludge to be pyrolyzed and discharging pyrolyzed waste materials; a sealing cover 11 which is in sealing fit with the feed and discharge port 9 is arranged at the feed and discharge port 9, so that pollution caused by gas leakage generated by pyrolysis is prevented; the sealing cover 11 and the cylindrical tank body 17 can be connected in a sealing manner through a groove hoop 18, and the sealing of the material inlet and the material outlet 9 can also be sealed in a quick-opening plugging manner, for example, a plug-in type quick-opening blind plate and the like are adopted, and the sealing manners are the prior art, so that the details are not repeated herein; a gas collecting main pipe 12 is arranged below the ground corresponding to the annular track 1; the gas collecting branch pipe 10 is a rigid pipe and is tightly attached to the outer wall of the cylindrical tank body 17 and extends to a position close to the bottom of the cylindrical tank body 17, and the gas outlet end of the gas collecting branch pipe is fixedly communicated with the gas collecting main pipe 12 through a gas pipe quick plug, so that gas generated by pyrolysis is collected and converged to the gas collecting main pipe 12.

Further, a steam inlet pipe 13 is arranged at the bottom of the cylindrical tank body 17; the underground corresponding to the annular track 1 is provided with a steam inlet manifold 14 communicated with the steam inlet pipe 13, and the connection and the communication between the steam inlet pipe 13 and the steam inlet manifold 14 can adopt a quick plug, so that the operation is convenient and quick.

Further, an air inlet pipe 15 is arranged at the bottom of the cylindrical tank body 17; an air inlet manifold 16 communicated with the air inlet pipe 15 is arranged below the ground corresponding to the annular track 1, and the air inlet pipe 15 and the air inlet manifold 16 can be connected and communicated by adopting a quick plug, so that the operation is convenient and quick.

Through the bottom of the cylindrical tank body 17 is provided with the water vapor inlet pipe 13 and the air inlet pipe 15, so that water vapor and air are introduced into the cylindrical tank body 17 in the pyrolysis process, the full pyrolysis of the inside oily sludge is facilitated, and the pyrolysis efficiency is improved.

Further, a mounting hole is formed in the side wall of the cylindrical tank body 17; the temperature sensor 19 extends into the cylindrical tank body 17 through the mounting hole, and is detachably and hermetically connected to the side wall of the cylindrical tank body through the mounting hole. The temperature sensor 19 is installed in the cylindrical tank 17 before pyrolysis and removed from the cylindrical tank 17 before dumping waste after pyrolysis is completed; the temperature sensor 9 detects the temperature inside the cylindrical tank 17 during pyrolysis and transmits the detected signal to the combustion system as a control signal of the combustion system, for example, when the detected temperature is lower than a set value, the firing is correspondingly carried out to ensure that the oily sludge inside the cylindrical tank 17 can be sufficiently pyrolyzed.

Further, the diameter of the cylindrical tank 17 is 200-400mm, and the height thereof is determined according to the height of the annular kiln body 2.

Furthermore, the bottom or the side wall of the cylindrical tank 17 near the bottom is provided with a support leg 20 for fixing to the ground.

When the equipment for processing the oily sludge in large scale provided by the embodiment is used, only the pyrolysis device 3 needs to be arranged on the annular track 1, the annular kiln body 2 moves to the pyrolysis device 3 along the annular track 1 to carry out pyrolysis on the oily sludge, and meanwhile, the pyrolysis device 3 can be continuously placed in front of the annular kiln body 2 in the moving direction, so that large-scale continuous pyrolysis is realized; the pyrolysis device 3 adopts a plurality of cylindrical pyrolysis tanks, the oily sludge in each cylindrical pyrolysis tank is independently sealed and pyrolyzed, gas generated by pyrolysis is converged into the gas collecting main pipe 12 through respective gas collecting branch pipes 10 for uniform treatment, and compared with the method of directly putting a large amount of oily sludge into the kiln for pyrolysis, the amount of the oily sludge contained in each cylindrical pyrolysis tank is small, so that the oily sludge is easy to burn through, the oily sludge is favorably and fully pyrolyzed, and the pyrolysis effect is good; the cylindrical pyrolysis tank has good sealing performance, and can effectively prevent gas generated by pyrolysis from leaking out to cause pollution; cylindric pyrolysis tank includes cylindric jar body 17, and after the pyrolysis finishes, the waste material is the hard lump knot inside cylindric jar body 17, need stretch into cylindric jar body 17 with corresponding ground instrument inside, smashes the hard lump and clear up and pour out, sets cylindric jar body 17 to cylindric here, conveniently clears up cylindric jar body 17 inside lateral wall each department, and the clearance degree of difficulty is low.

Example 2

Referring to fig. 4 and 5, the present embodiment provides an apparatus for large-scale treatment of oily sludge, which is the same as embodiment 1 and is not repeated herein, except that: the pyrolysis tank 8 is in a rectangular box shape and comprises a rectangular tank body 21, and the rectangular tank body 21 is arranged; the top of the rectangular tank body 21 is provided with a gas collecting branch pipe 10 and two feeding and discharging ports 9, the two feeding and discharging ports are symmetrically distributed on two sides of the gas collecting branch pipe 10, and considering that the capacity of the rectangular tank body 21 is large, the feeding and discharging ports 9 are arranged from two sides, so that oily sludge can be filled into the rectangular tank body 21 from two sides or pyrolysis waste materials can be poured out of the rectangular tank body 21, the operation time is shortened, and the working efficiency is improved; the gas collecting branch pipe 10 is tightly attached to the outer wall of the rectangular tank 21 and extends to the bottom close to the rectangular tank 21 to be fixedly communicated with the gas collecting main pipe 12, so that gas generated by pyrolysis is collected and converged to the gas collecting main pipe 12.

Further, a steam inlet pipe 13 is arranged at the bottom of the rectangular tank body 21; the underground corresponding to the annular track 1 is provided with a steam inlet manifold 14 communicated with the steam inlet pipe 13, and the connection and the communication between the steam inlet pipe 13 and the steam inlet manifold 14 can adopt a quick plug, so that the operation is convenient and quick.

Further, an air inlet pipe 15 is also arranged at the bottom of the rectangular tank body 21; an air inlet manifold 16 communicated with the air inlet pipe 15 is arranged below the ground corresponding to the annular track 1, and the air inlet pipe 15 and the air inlet manifold 16 can be connected and communicated by adopting a quick plug, so that the operation is convenient and quick.

Through the bottom of the rectangular tank body 21 is provided with the water vapor inlet pipe 13 and the air inlet pipe 15, so that water vapor and air are introduced into the rectangular tank body 21 in the pyrolysis process, the full pyrolysis of the inside oily sludge is facilitated, and the pyrolysis efficiency is improved.

When the equipment for processing the oily sludge in large scale provided by the embodiment of the application is used, only the pyrolysis device 3 is required to be arranged on the annular track 1, the annular kiln body 2 moves to the pyrolysis device 3 along the annular track 1 to carry out pyrolysis on the annular kiln body, and meanwhile, the pyrolysis device 3 can be continuously placed in front of the annular kiln body 2 in the moving direction, so that large-scale continuous pyrolysis is realized; the pyrolysis device 3 adopts a plurality of rectangular box-shaped pyrolysis tanks, the oily sludge in each rectangular box-shaped pyrolysis tank is separately sealed and pyrolyzed, gas generated by pyrolysis is converged into a gas collecting main pipe 12 through respective gas collecting branch pipes 10 to be uniformly treated, and compared with the method of directly putting a large amount of oily sludge into a kiln for pyrolysis, the amount of the oily sludge contained in each rectangular box-shaped pyrolysis tank is small, so that the oily sludge is easy to burn through, the oily sludge is favorably and fully pyrolyzed, and the pyrolysis effect is good; the rectangular box-shaped pyrolysis tank has good sealing performance, and can effectively prevent gas generated by pyrolysis from leaking out to cause pollution; the pyrolysis device 3 comprises a plurality of rectangular box-shaped pyrolysis tanks which can be arranged neatly and compactly, that is, gaps between adjacent rectangular box-shaped pyrolysis tanks can be small, which means that the amount of oily sludge which can be pyrolyzed by the annular kiln body at one time is relatively large.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. The equipment for treating the oily sludge on a large scale is characterized by comprising an annular track (1), an annular kiln body (2) and a pyrolysis device (3); the annular kiln body (2) is movably arranged on the annular track (1); the annular kiln body (2) comprises a preheating section (4), a combustion section (5), a heat preservation section (6) and a cooling section (7); the pyrolysis device (3) is arranged on the annular track (1); the pyrolysis apparatus (3) comprises a plurality of pyrolysis tanks (8); a feed and discharge port (9) and a gas collection branch pipe (10) are arranged on the pyrolysis tank (8); a sealing cover (11) which is in sealing fit with the feed and discharge port (9) is arranged at the feed and discharge port (9); a gas collecting main pipe (12) is arranged below the ground corresponding to the annular track (1); the gas collecting branch pipe (10) is communicated with the gas collecting main pipe (12).

2. The apparatus for large scale treatment of oily sludge according to claim 1, wherein the pyrolysis tank (8) is cylindrical or rectangular box-shaped.

3. The apparatus for large scale treatment of oily sludge according to claim 1, wherein the bottom of the pyrolysis tank (8) is provided with a steam inlet pipe (13); and a steam inlet main pipe (14) communicated with the steam inlet pipe (13) is arranged below the ground corresponding to the annular track (1).

4. The apparatus for large scale treatment of oily sludge according to claim 1, wherein the bottom of the pyrolysis tank (8) is provided with an air intake pipe (15); and an air inlet main pipe (16) communicated with the air inlet pipe (15) is arranged below the ground corresponding to the annular track (1).