Petroleum coke batching device for calcining furnace

Abstract

The utility model relates to the technical field of calcining furnace petroleum coke batching, in particular to a calcining furnace petroleum coke batching device which comprises a batching box, a filtering mechanism and a stirring mechanism, an exhaust pipe is arranged on one side of the feeding pipe at the top end of the batching box, a first filter screen is arranged at the bottom end of the exhaust pipe, a cavity is formed in an interlayer of the inner wall of the batching box, and an electric valve is arranged at a discharging port of the batching box; the stirring mechanism is composed of a rotating pipe which is driven by a driving assembly to be rotationally connected with the batching box and multiple groups of stirring blades which are uniformly mounted on the peripheral surface of the rotating pipe. Through the arrangement of the batching box and the filtering mechanism, high-temperature tail gas generated by the calcining furnace can be filtered and recycled, ingredients in the batching box are preheated and dried, the ingredients are conveniently and uniformly stirred through the arrangement of the stirring mechanism, meanwhile, a part of hot air can be conveyed into the ingredients, heating and drying of the ingredients are further accelerated, and the efficiency is improved. The energy consumption in the subsequent calcination process with petroleum coke is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of petroleum coke batching technology for calcining furnaces, specifically to a petroleum coke batching device for calcining furnaces. Background Technology

[0002] Petroleum coke is a byproduct of petroleum refining, primarily produced from high-sulfur, high-ash heavy oil through a delayed coking process. During petroleum coke production, various additives are typically added to adjust its chemical composition and physical properties.

[0003] Chinese Patent CN221693540U discloses a petroleum coke batching device for a calcining furnace, including a support, a horizontal cylinder, and a material cylinder. The material cylinder is located on the outer side of the top of the horizontal cylinder, and a mixing device is located at the bottom of the discharge pipe. By employing a dual-shaft output reducer to simultaneously drive the spiral push rods on both sides to rotate, the working efficiency and stability of the conveying components can be improved, thereby increasing the conveying efficiency of raw materials and production efficiency. It also improves the mixing effect and conveying efficiency, helping the petroleum coke batching device for a calcining furnace to enhance production efficiency, reduce energy consumption and production costs, and promote the continuous and stable operation of the production line.

[0004] However, the above-mentioned publicly disclosed solutions have the following shortcomings: when preparing petroleum coke for calcination, if the raw materials contain moisture, mixing the raw materials before adding them to the calcination furnace will increase energy consumption during the calcination process and reduce work efficiency. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a petroleum coke batching device for a calcining furnace.

[0006] The technical solution of this utility model is as follows: A petroleum coke batching device for a calcining furnace includes a batching box with an exhaust pipe on one side of the top feed pipe and a first filter screen at the bottom of the exhaust pipe. A cavity is provided in the inner wall interlayer of the batching box, and an electric valve is provided at the discharge port of the batching box. A filtration mechanism is provided, the output end of which is connected to the cavity. A stirring mechanism is provided, which consists of a rotating pipe driven by a drive component and rotatably connected to the batching box, and multiple sets of stirring blades evenly installed on the outer circumference of the rotating pipe. The inner cavity of the stirring blade is connected to the rotating pipe, and an air outlet is provided on the stirring blade. A second filter screen is provided at the air outlet. A connecting pipe is rotatably connected to the top of the rotating pipe, the bottom end of which extends into the interior of the rotating pipe. A bracket is installed at the top of the connecting pipe, and the bracket is installed at the top of the batching box. The top of the connecting pipe is connected to the output end of the filtration mechanism.

[0007] Preferably, the ingredient box comprises a barrel body, a first cavity is arranged in the barrel body, and a base is connected to the barrel body by bolts, a second cavity is arranged in the base, the first cavity and the second cavity form a cavity, a plurality of second air holes are formed in the top end of the base and are in communication with the second cavity.

[0008] Preferably, a plurality of partitions are uniformly arranged in the first cavity from top to bottom, the partitions are connected to the side wall of the first cavity, and a plurality of first air holes are alternately arranged in the partitions.

[0009] Preferably, the filtering mechanism comprises a filter box, a dust particle filter screen arranged in the filter box, an air pump connected to the output end of the filter box, a second hot gas pipe connected to the output end of the air pump, and a first air inlet pipe, the output end of the first air inlet pipe is connected to the second cavity, the output end of the second hot gas pipe is connected to the connecting pipe, and the input end of the filter box is connected to the output end of the calcining furnace tail gas.

[0010] Preferably, an adjusting mechanism is arranged in the rotating pipe, a scraper is arranged on the adjusting mechanism, and the scraper is adjusted to be in contact with the inner wall of the ingredient box by the adjusting mechanism.

[0011] Preferably, the adjusting mechanism comprises a threaded rod, the threaded rod is connected to the top end of the rotating pipe in a threaded manner, two groups of conical seats are arranged on the threaded rod, two groups of crossbars are arranged, the two groups of crossbars are slidingly connected to the rotating pipe, one end of the two groups of crossbars extends to the outside of the rotating pipe and is connected to the scraper, the other end of the two groups of crossbars extends to the inside of the rotating pipe and is provided with an abutting seat, the abutting seat corresponds to the conical seat, and a spring is arranged outside the crossbar, one end of the spring is connected to the inner wall of the rotating pipe, and the other end of the spring is connected to the abutting seat.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: through the arrangement of the ingredient box and the filtering mechanism, the high-temperature tail gas generated by the calcining furnace can be filtered and reused, the ingredients in the ingredient box can be preheated and dried, through the arrangement of the stirring mechanism, the ingredients can be uniformly stirred, a part of hot gas can be delivered to the inside of the ingredients, the heating and drying of the ingredients are further accelerated, the energy consumption in the subsequent calcination process with petroleum coke is reduced, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view of the overall structure of the utility model

[0014] Figure 2 It is a sectional view of the overall structure of the utility model

[0015] Figure 3 It is a sectional view of the overall structure of the utility model

[0016] Figure 4 It is a sectional view of the overall structure of the utility model

[0017] Label: 1, cylinder; 101, first cavity; 102, partition; 103, first vent; 104, exhaust pipe; 2, base; 201, second cavity; 202, electric valve; 203, second vent; 3, filtering mechanism; 301, first air inlet pipe; 302, second hot air pipe; 4, rotating pipe; 401, stirring blade; 402, connecting pipe; 5, threaded rod; 501, conical seat; 502, crossbar; 503, abutting seat; 504, spring; 505, scraper. DETAILED DESCRIPTION

[0018] Example one

[0019] As Figures 1 to 4 shown, the utility model provides a kind of calcining furnace petroleum coke batching device, including batching bin, filtering mechanism 3 and stirring mechanism;Batching bin, top inlet pipe side is equipped with exhaust pipe 104, and the bottom of exhaust pipe 104 is provided with first filter screen, and the inner wall interlayer of batching bin is provided with cavity, and batching bin discharge port is provided with electric valve 202;Filtering mechanism 3 output end is connected with cavity;Stirring mechanism is by driving assembly driving rotating pipe 4 connected with batching bin and multiple groups of stirring blade 401 being uniformly installed on the outer circumferential surface of rotating pipe 4, and stirring blade 401 is adapted to batching bin, and the inner cavity of stirring blade 401 is communicated with rotating pipe 4, and the outlet of stirring blade 401 is provided with second filter screen, and the top of rotating pipe 4 is rotatably connected with connecting pipe 402, and the bottom of connecting pipe 402 extends to the inside of rotating pipe 4, and the top of connecting pipe 402 is installed with support, and the support is installed on the top of batching bin, and the top of connecting pipe 402 is connected with the output end of filtering mechanism 3.

[0020] Further, batching bin includes cylinder 1 and base 2;First cavity 101 is provided in the inside of cylinder 1;Base 2 is connected with cylinder 1 by bolt, and second cavity 201 is provided in the inside of base 2, and electric valve 202 is arranged at the discharge port of base 2, and first cavity 101 and second cavity 201 form cavity, and multiple groups of second vents 203 are formed in the top of base 2, and second vent 203 is communicated with second cavity 201, and cylinder 1 and base 2 are convenient to disassemble, and can be regularly overhauled.

[0021] Further, multiple groups of partition 102 are uniformly installed in first cavity 101 from top to bottom, and partition 102 is connected with the side wall of first cavity 101, and multiple groups of first vents 103 are staggered and arranged on multiple groups of partition 102.Makes the residence time of hot air in first cavity 101 increase, and it is convenient to preheat the batching inside batching bin, to avoid resource waste.

[0022] Further, the filtering mechanism 3 is composed of a filtering box, a smoke dust particle filtering screen installed inside the filtering box, an air pump connected with the output end of the filtering box, and a second hot gas pipe 302 and a first air inlet pipe 301 connected with the output end of the air pump. The output end of the first air inlet pipe 301 is connected with the second cavity 201, the output end of the second hot gas pipe 302 is connected with the connecting pipe 402, and the input end of the filtering box is connected with the output end of the calcining furnace tail gas.

[0023] In the embodiment, the input end of the filtering mechanism 3 is connected with the output end of the calcining furnace tail gas. When the calcining furnace is used to calcine petroleum coke, the appropriate amount of ingredients required by the calcining furnace for petroleum coke is put into the ingredient box through the feeding pipe, and the feeding pipe is closed. After the high-temperature tail gas discharged by the calcining furnace is filtered by the filtering mechanism 3 to remove smoke dust particles, the tail gas enters the first cavity 101 and the second cavity 201 through the second hot gas pipe 302, the connecting pipe 402 and the first air inlet pipe 301 respectively. Under the action of the multiple sets of second air holes 203, the partition plates 102 and the first air holes 103, the hot gas fills the second cavity 201 and the first cavity 101, so that the raw materials in the ingredient box can be fully preheated. The driving assembly drives the rotary pipe 4 to rotate, the multiple sets of stirring blades 401 stir the ingredients, the connecting pipe 402 sends hot gas to the rotary pipe 4, the hot gas enters the stirring blades 401 and is finally discharged from the air outlet, thereby fully stirring and heating the ingredients, so that the moisture in the ingredients is dried, the preheating effect is achieved, the energy consumption in the subsequent calcination process with petroleum coke is reduced, the work efficiency is improved, the tail gas generated by the calcining furnace can be reasonably utilized, resource waste is avoided, the tail gas after preheating of the raw materials is discharged from the exhaust pipe 104, and the output end of the exhaust pipe 104 can be installed with a tail gas treatment mechanism (not shown) to treat the tail gas by desulfurization and denitrification before discharge, thereby reducing pollution.

[0024] Embodiment two

[0025] As Figure 4As shown, the utility model provides a kind of petroleum coke batching device of calcining furnace, compared with embodiment one, adjusting mechanism is arranged in rotating pipe 4, adjusting mechanism is provided with scraper 505, scraper 505 is contacted with the inner wall of batching bin by adjusting mechanism adjustment.Adjusting mechanism includes threaded rod 5, cross bar 502 and spring 504;Threaded rod 5 is screw-connected rotating pipe 4 top end, two groups of conical seat 501 are installed on threaded rod 5, and the diameter of the top cross section of conical seat 501 is greater than the diameter of the bottom cross section of conical seat 501;Cross bar 502 is provided with two groups, two groups of cross bar 502 are slidingly connected rotating pipe 4, and rubber ring is arranged between cross bar 502 and rotating pipe 4, one end of two groups of cross bar 502 extends to the outside of rotating pipe 4 and is connected with scraper 505, the other end of two groups of cross bar 502 extends to rotating pipe 4 inside and is equipped with abutting seat 503, and abutting seat 503 corresponds with conical seat 501;Spring 504 is sleeved on the outside of cross bar 502, one end of spring 504 is connected with the inner wall of rotating pipe 4, and the other end is connected with abutting seat 503.

[0026] In the embodiment, when the ingredients are mixed uniformly, rotate threaded rod 5 to make two groups of conical seat 501 move down, then push corresponding abutting seat 503, so that spring 504 is compressed, and cross bar 502 slides outward along rotating pipe 4, then drive scraper 505 to contact with the inner wall of batching bin, with the continuous rotation of stirring mechanism, the ingredients attached to the inner wall of batching bin are scraped off by scraper 505, to avoid that part of ingredients is wasted.

[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range possessed by the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A petroleum coke batching device for a calcining furnace, characterized in that, include The batching box has an exhaust pipe (104) on one side of the top feed pipe, a first filter screen at the bottom of the exhaust pipe (104), a cavity in the inner wall interlayer of the batching box, and an electric valve (202) at the discharge port of the batching box. The filter mechanism (3) has its output end connected to the cavity; The stirring mechanism consists of a rotating tube (4) connected to the mixing box by a driving component and multiple sets of stirring blades (401) evenly installed on the outer circumference of the rotating tube (4). The inner cavity of the stirring blade (401) is connected to the rotating tube (4). An air outlet is provided on the stirring blade (401), and a second filter screen is provided at the air outlet. A connecting tube (402) is rotatably connected to the top of the rotating tube (4). The bottom end of the connecting tube (402) extends into the interior of the rotating tube (4). A bracket is installed at the top of the connecting tube (402). The bracket is installed at the top of the mixing box. The top of the connecting tube (402) is connected to the output end of the filtering mechanism (3).

2. The petroleum coke batching device for a calcining furnace according to claim 1, characterized in that, Ingredient box includes The cylindrical body (1) has a first cavity (101) inside it; The base (2) is connected to the cylinder (1) by bolts. The base (2) has a second cavity (201) inside. The first cavity (101) and the second cavity (201) form a cavity. The top of the base (2) has multiple sets of second vent holes (203) connected to the second cavity (201).

3. The petroleum coke batching device for a calcining furnace according to claim 2, characterized in that, The first cavity (101) is equipped with multiple sets of partitions (102) evenly installed from top to bottom. The partitions (102) are connected to the side wall of the first cavity (101). Multiple sets of first ventilation holes (103) are staggered on the multiple sets of partitions (102).

4. A petroleum coke batching device for a calcining furnace according to claim 1 or 2, characterized in that, The filtration mechanism (3) consists of a filter box, a dust particle filter screen installed inside the filter box, an air pump connected to the output end of the filter box, a second hot air pipe (302) connected to the output end of the air pump, and a first air inlet pipe (301). The output end of the first air inlet pipe (301) is connected to the second cavity (201), the output end of the second hot air pipe (302) is connected to the connecting pipe (402), and the input end of the filter box is connected to the tail gas output end of the calcining furnace.

5. A petroleum coke batching device for a calcining furnace according to claim 1, characterized in that, The rotating tube (4) is equipped with an adjustment mechanism, and a scraper (505) is provided on the adjustment mechanism. The scraper (505) is adjusted to contact the inner wall of the mixing box through the adjustment mechanism.

6. A petroleum coke batching device for a calcining furnace according to claim 5, characterized in that, The regulating mechanism includes The threaded rod (5) is threaded to the top of the rotating tube (4), and two sets of conical seats (501) are installed on the threaded rod (5); The crossbar (502) is provided in two sets. The two sets of crossbars (502) are slidably connected to the rotating tube (4). One end of the two sets of crossbars (502) extends to the outside of the rotating tube (4) and is connected to the scraper (505). The other end of the two sets of crossbars (502) extends to the inside of the rotating tube (4) and is equipped with an abutment seat (503). The abutment seat (503) corresponds to the conical seat (501). And a spring (504), which is sleeved on the outside of the crossbar (502), with one end of the spring (504) connected to the inner wall of the rotating tube (4) and the other end connected to the abutment seat (503).

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