Oil sludge pyrolysis device

Abstract

The utility model relates to the field of oil sludge pyrolysis equipment, in particular to an oil sludge pyrolysis device which comprises a heat utilization mechanism and a pre-stirring mechanism which are arranged on a reaction tank, the heat utilization mechanism is arranged on the side of the top end of the reaction tank, two guide pipes are arranged on the heat utilization mechanism, and one ends of the two guide pipes penetrate through the outer side of the reaction tank. By means of the heat utilization mechanism, hot air in the reaction tank can be conveniently utilized to preheat oil sludge in the containing barrel, the temperature of the oil sludge entering the reaction tank can be conveniently increased in advance, the time for completely heating the whole oil sludge to react is greatly shortened, the heat utilization rate of the oil sludge is improved, and the heat utilization rate of the oil sludge is improved. According to the present invention, the work efficiency is improved, through the pre-stirring mechanism, the pre-heated oil sludge in the placing cylinder can be conveniently stirred so as to completely heat the oil sludge, and the multiple feeding holes cannot be blocked when the oil sludge enters the reaction tank due to the continuous rotation of the multiple first stirring rods.

Description

Technical Field

[0001] The utility model relates to the technical field of oil sludge pyrolysis equipment, in particular to an oil sludge pyrolysis device. Background Art

[0002] Oil sludge pyrolysis is a process that decomposes organic matter in oily sludge into smaller molecular hydrocarbons, fuel oil, solid carbon and other substances by heating under anaerobic or anoxic conditions. During the oil extraction process, a large amount of waste oil sludge is generated. This oil sludge is large in volume and contains a large amount of radioactive elements, so it needs to be treated.

[0003] Chinese utility model patent CN220393515U discloses a semi-solid sludge pyrolysis device. When the rotating rack rotates, it drives the scraper to rotate. The scraper can scrape the surface of the conical part at the bottom of the reaction tank to prevent the waste residue from accumulating for a long time and forming dirt, which affects cleaning.

[0004] However, this patent pours all the sludge directly into the reaction tank. As a result, when the reaction tank stirs and heats the sludge, a large amount of sludge accumulates inside, resulting in low heat conduction. It takes a long time to fully heat the sludge and reach the sludge processing temperature. Based on this, we propose a sludge pyrolysis device. Utility Model Content

[0005] The purpose of the present invention is to provide an oil sludge pyrolysis device to solve the problem in the above background technology that a large amount of oil sludge accumulates inside the reaction tank, resulting in low heat conduction and a long time required to fully heat the oil sludge to reach the oil sludge processing temperature.

[0006] The technical solution of the utility model is: a sludge pyrolysis device, comprising a heat utilization mechanism and a pre-stirring mechanism arranged on a reaction tank, the heat utilization mechanism being arranged on the side of the top end of the reaction tank, two guide tubes being arranged on the heat utilization mechanism, one end of the two guide tubes passing through the outside of the reaction tank, the heat utilization mechanism being provided with heat conduction holes for heat conduction, the pre-stirring mechanism being arranged above the heat utilization mechanism, and a gear set being linked to a motor on the reaction tank being provided on the top of the pre-stirring mechanism.

[0007] Preferably, the heat utilization mechanism includes a heat conduction cavity, a heat conduction hole and a guide tube. The top of the reaction tank is fixedly connected to a placement tube, the top of the placement tube is fixedly connected to a feed tube, a stirring chamber is provided inside the placement tube, two heat conduction holes are provided on the outer wall of the placement tube, and the two heat conduction holes are rotationally symmetrically arranged. A plurality of feed holes are provided on the top of the reaction tank near the stirring chamber, and the plurality of feed holes are equidistantly arranged in a circular array. A heat conduction cavity is provided inside the placement tube near the outside of the stirring chamber, and two guide tubes connected to the heat conduction cavity are fixedly connected to the outer wall of the placement tube, and the two guide tubes are rotationally symmetrically arranged.

[0008] Preferably, one end of each of the two guide tubes is fixedly connected to the top of the reaction tank, and the interior of the two guide tubes is communicated with the interior of the reaction tank.

[0009] Preferably, the pre-stirring mechanism includes a driving gear, two support plates are fixedly connected to the center position of the top of the reaction tank, the two support plates are symmetrically arranged, the same motor is installed on the top of the two support plates, the output shaft end of the motor is fixedly connected to a connecting rod, the outer wall of the connecting rod is fixedly connected to a plurality of second stirring rods, the second stirring rods located in the radial direction of the connecting rod are equidistantly arranged in a circular array, and the outer wall of the connecting rod is keyed to a driving gear.

[0010] Preferably, the pre-stirring mechanism also includes a driven gear, the top of the placement cylinder is rotatably connected to a fixed rod, the bottom of the fixed rod is fixedly connected to a plurality of first stirring rods, and the first stirring rods located in the radial direction of the fixed rod are symmetrically arranged in a circular array, the top of the fixed rod is keyed to a driven gear, and a connecting chain is engaged between the driving gear and the driven gear.

[0011] Preferably, two electric heating tubes are installed at the top of the reaction tank away from the outside of the motor, and the outer walls of the two electric heating tubes pass through the top of the reaction tank and extend into the interior thereof.

[0012] The present invention provides an oil sludge pyrolysis device through improvement, which has the following improvements and advantages compared with the prior art:

[0013] 1. The utility model uses a heat utilization mechanism to preheat the oil sludge inside the cylinder by utilizing the hot air inside the reaction tank, thereby increasing the temperature of the oil sludge entering the reaction tank in advance, greatly reducing the time required for the oil sludge to be fully heated and reacted, and improving work efficiency.

[0014] 2. The utility model facilitates stirring of the preheated oil sludge placed inside the cylinder through the pre-stirring mechanism, so that the oil sludge is fully heated. At the same time, since the plurality of first stirring rods continuously rotate, the oil sludge will not clog the plurality of feed holes when entering the reaction tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a front view of the reaction tank of the utility model;

[0017] Figure 3 It is a cross-sectional view of the placement tube of the utility model;

[0018] Figure 4 It is a structural diagram of the feed hole of the utility model;

[0019] Figure 5 It is a cross-sectional view of the reaction tank of the utility model.

[0020] Description of reference numerals:

[0021] 1. Reaction tank; 2. Placement tube; 3. Feed pipe; 4. Stirring chamber; 5. Heat conduction hole; 6. Feed hole; 7. Heat conduction chamber; 8. Guide tube; 9. Fixed rod; 10. First stirring rod; 11. Driven gear; 12. Support plate; 13. Motor; 14. Connecting rod; 15. Second stirring rod; 16. Driving gear; 17. Connecting chain; 18. Electric heating tube. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention must go beyond these limited embodiments. For some equivalent replacement solutions or common means, they will not be described in detail herein, but they still fall within the scope of protection of this application.

[0023] Figures 1 to 5 This is the best embodiment of the present invention, Figures 1 to 5 The utility model is further described.

[0024] A sludge pyrolysis device includes a heat utilization mechanism and a pre-stirring mechanism arranged on a reaction tank 1. The heat utilization mechanism is arranged on the top side of the reaction tank 1. Two guide tubes 8 are provided on the heat utilization mechanism. One end of the two guide tubes 8 passes through the outside of the reaction tank 1. The heat utilization mechanism is provided with a heat conduction hole 5 for heat conduction. The pre-stirring mechanism is arranged above the heat utilization mechanism, and a gear group linked to the motor 13 on the reaction tank 1 is provided on the top of the pre-stirring mechanism.

[0025] The heat utilization mechanism facilitates the use of hot air inside the reaction tank to preheat the pre-placed sludge, thereby facilitating the early increase in temperature of the sludge entering the reaction tank. The pre-stirring mechanism facilitates the stirring of the preheated sludge inside the placement cylinder, thereby allowing the sludge to be fully heated.

[0026] Furthermore, the heat utilization mechanism includes a heat conduction cavity 7, a heat conduction hole 5 and a guide tube 8. The top of the reaction tank 1 is fixedly connected to a placement tube 2, the top of the placement tube 2 is fixedly connected to a feed tube 3, a stirring chamber 4 is provided inside the placement tube 2, and two heat conduction holes 5 are provided on the outer wall of the placement tube 2. The two heat conduction holes 5 are rotationally symmetrically arranged. A plurality of feed holes 6 are provided on the top of the reaction tank 1 near the stirring chamber 4, and the plurality of feed holes 6 are equidistantly arranged in a circular array. A heat conduction cavity 7 is provided inside the placement tube 2 near the outside of the stirring chamber 4, and two guide tubes 8 communicating with the heat conduction cavity 7 are fixedly connected to the outer wall of the placement tube 2. The two guide tubes 8 are rotationally symmetrically arranged. Through the two heat conduction holes 5, it is convenient to introduce the heat inside the heat conduction cavity 7 into the placement tube 2, thereby heating the oil sludge inside the placement tube 2.

[0027] Furthermore, one end of the two guide tubes 8 is fixedly connected to the top of the reaction tank 1, and the interior of the two guide tubes 8 is connected to the interior of the reaction tank 1, so that the hot air in the reaction tank 1 is introduced into the heat conduction cavity 7 through the guide tubes 8, and the hot air is introduced into the heat conduction cavity 7 from the inside of the heat conduction hole 5.

[0028] Furthermore, the pre-stirring mechanism includes a driving gear 16, and two support plates 12 are fixedly connected to the center position of the top of the reaction tank 1. The two support plates 12 are symmetrically arranged, and the same motor 13 is installed on the top of the two support plates 12. The output shaft end of the motor 13 is fixedly connected to a connecting rod 14, and a plurality of second stirring rods 15 are fixedly connected to the outer wall of the connecting rod 14. The second stirring rods 15 located in the radial direction of the connecting rod 14 are equidistantly arranged in a circular array. The outer wall of the connecting rod 14 is keyed to a driving gear 16. Through the plurality of second stirring rods 15, the oil sludge inside the placement barrel 2 is stirred, and the oil sludge will not cause blockage to the plurality of feed holes 6 when entering the reaction tank 1.

[0029] Furthermore, the pre-mixing mechanism also includes a driven gear 11, which is rotatably connected to the top of the placement barrel 2 with a fixed rod 9, and a plurality of first stirring rods 10 are fixedly connected to the bottom of the fixed rod 9. The first stirring rods 10 located radially of the fixed rod 9 are symmetrically arranged in a circular array, and the top of the fixed rod 9 is keyed to the driven gear 11. A connecting chain 17 is engaged between the driving gear 16 and the driven gear 11, so that when the driving gear 16 rotates, the driven gear 11 can be driven to rotate through the connecting chain 17.

[0030] Furthermore, two electric heating tubes 18 are installed at the top of the reaction tank 1 away from the outside of the motor 13. The outer walls of the two electric heating tubes 18 pass through the top of the reaction tank 1 and extend into the interior thereof, so as to heat the interior of the reaction tank 1.

[0031] Working principle: First, the two electric heating tubes 18 are started to heat the inside of the reaction tank 1, and then the hot gas rises through the two guide tubes 8 into the inside of the heat conduction cavity 7. Due to the function of the heat conduction hole 5, it is convenient to conduct the heat into the inside of the placement tube 2, thereby heating the inside of the placement tube 2. The motor 13 is started, so that the motor 13 drives the connecting rod 14 to rotate, and the connecting rod 14 drives the second stirring rod 15 to rotate. At the same time, the connecting rod 14 drives the driving gear 16 to rotate. Due to the function of the connecting chain 17, it is convenient for the driving gear 16 to drive the driven gear 11 to rotate through the connecting chain 17, so that the driven gear 11 drives the fixed rod 9 to rotate, and the fixed rod 9 drives the first stirring rod 10 to rotate;

[0032] Secondly, the sludge is introduced into the placement barrel 2 through the feed pipe 3, part of the sludge is piled at the bottom end of the placement barrel 2, and the other part of the sludge falls directly into the reaction tank 1 through the feed hole 6. The hot air in the reaction tank 1 directly heats the sludge in the reaction tank 1, and the sludge in the reaction tank 1 is stirred by the second stirring rod 15 to improve the heating effect, and the sludge inside the placement barrel 2 is preheated by the hot air inside the reaction tank 1, so as to facilitate the early increase of the temperature of the sludge entering the reaction tank 1, greatly reducing the time for the entire sludge to be fully heated for reaction, and improving work efficiency. At the same time, several first stirring rods 10 stir the preheated sludge inside the placement barrel 2, so that the sludge is fully heated. At the same time, since the several first stirring rods 10 are constantly rotating, the sludge will not cause blockage to the several feed holes 6 when entering the reaction tank 1.

[0033] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation thereto. Any person skilled in the art may utilize the above disclosure to modify or remodel the present invention into equivalent embodiments. However, any simple modification, equivalent variation, or modification of the above embodiment that does not depart from the technical content of the present invention and is based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. An oil sludge pyrolysis device, characterized by: The invention comprises a heat utilization mechanism and a pre-stirring mechanism provided on a reaction tank (1). The heat utilization mechanism is provided on the side of the top end of the reaction tank (1). Two guide tubes (8) are provided on the heat utilization mechanism. One end of the two guide tubes (8) passes through the outside of the reaction tank (1). The heat utilization mechanism is provided with a heat conduction hole (5) for heat conduction. The pre-stirring mechanism is provided above the heat utilization mechanism, and a gear group linked to the motor (13) on the reaction tank (1) is provided on the top of the pre-stirring mechanism.

2. The oil sludge pyrolysis device according to claim 1, characterized in that: The heat utilization mechanism comprises a heat conduction cavity (7), a heat conduction hole (5) and a guide tube (8); the top of the reaction tank (1) is fixedly connected to a placement tube (2); the top of the placement tube (2) is fixedly connected to a feed tube (3); a stirring cavity (4) is provided inside the placement tube (2); two heat conduction holes (5) are provided on the outer wall of the placement tube (2); the two heat conduction holes (5) are rotationally symmetrically arranged; a plurality of feed holes (6) are provided on the top of the reaction tank (1) near the stirring cavity (4); the plurality of feed holes (6) are equidistantly arranged in a circular array; a heat conduction cavity (7) is provided inside the placement tube (2) near the outside of the stirring cavity (4); the outer wall of the placement tube (2) is fixedly connected to two guide tubes (8) communicating with the heat conduction cavity (7); the two guide tubes (8) are rotationally symmetrically arranged.

3. The oil sludge pyrolysis device according to claim 2, characterized in that: One end of each of the two guide tubes (8) is fixedly connected to the top of the reaction tank (1), and the interiors of the two guide tubes (8) are connected to the interior of the reaction tank (1).

4. The oil sludge pyrolysis device according to claim 2, characterized in that: The pre-stirring mechanism comprises a driving gear (16), two support plates (12) are fixedly connected to the center position of the top of the reaction tank (1), the two support plates (12) are symmetrically arranged, and the top of the two support plates (12) is equipped with a same motor (13), the output shaft end of the motor (13) is fixedly connected to a connecting rod (14), the outer wall of the connecting rod (14) is fixedly connected to a plurality of second stirring rods (15), the second stirring rods (15) located in the radial direction of the connecting rod (14) are equidistantly arranged in a ring array, and the outer wall of the connecting rod (14) is key-connected to the driving gear (16).

5. The oil sludge pyrolysis device according to claim 4, characterized in that: The pre-mixing mechanism further comprises a driven gear (11), the top end of the placement cylinder (2) is rotatably connected to a fixed rod (9), the bottom end of the fixed rod (9) is fixedly connected to a plurality of first stirring rods (10), the first stirring rods (10) located radially of the fixed rod (9) are symmetrically arranged in a ring array, the top end of the fixed rod (9) is key-connected to a driven gear (11), and a connecting chain (17) is meshed between the driving gear (16) and the driven gear (11).

6. The oil sludge pyrolysis device according to claim 1, characterized in that: Two electric heating tubes (18) are installed on the outside of the top of the reaction tank (1) away from the motor (13), and the outer walls of the two electric heating tubes (18) pass through the top of the reaction tank (1) and extend into the interior thereof.

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