Petroleum coke powder combustion shooting gun and petroleum coke powder smelting furnace
By setting multi-angle discharge ports and baffles in the petroleum coke powder combustion lance, the petroleum coke powder is sprayed in all directions in the combustion furnace, solving the problem of single spray direction.
Patent Information
- Application Number
- CN202423288024.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing petroleum coke powder spray gun has a single spray direction, resulting in a single spray path and inability to fully cover the combustion furnace.
Design a petroleum coke powder combustion gun with multiple discharge ports on the side wall of the discharge pipe and a third discharge port at both ends. Combined with baffles to adjust the spray direction, multi-angle spraying can be achieved.
It enables omnidirectional injection of petroleum coke powder in front of, below, and on both sides of the combustion furnace, solving the problem of insufficient injection range.
Smart Images
Figure CN223740820U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of petroleum coke powder combustion, especially to a petroleum coke powder combustion lance and a petroleum coke powder smelting furnace. BACKGROUND
[0002] Petroleum coke powder is a product converted from heavy oil through the process of thermal cracking after the separation of light and heavy oil by distillation of crude oil. From the appearance, it is irregular in shape, black in color, and has a metallic luster. The granules have a porous structure, and the main element composition is carbon, accounting for more than 80 percent, and the rest is hydrogen, oxygen, nitrogen, sulfur, and metal. The calorific value of petroleum coke powder is twice that of general coal. Petroleum coke powder can be used as fuel to replace coal or oil and turn waste into treasure. In the prior art, petroleum coke powder is generally sprayed into the combustion furnace of the heating body through a lance, which belongs to direct combustion heating at the part needing heat.
[0003] However, in the prior art, the lance has only one lance with a straight pipe structure, and the petroleum coke powder is directly sprayed into the combustion furnace through the discharge port at the end, which can only ensure spraying in a single direction along the axial direction of the lance, resulting in a single spraying path of the petroleum coke powder and an inability to fully cover different directions of the combustion furnace. SUMMARY
[0004] The utility model aims at providing a petroleum coke powder combustion lance and a petroleum coke powder smelting furnace to alleviate the technical problem of single spraying direction of the petroleum coke powder lance in the prior art, resulting in a single spraying path of the petroleum coke powder and an inability to fully cover different directions of the combustion furnace.
[0005] In a first aspect, the utility model provides a petroleum coke powder combustion lance, which comprises a material conveying pipe and a discharge pipe.
[0006] The end of the material conveying pipe is connected to the side wall of the discharge pipe.
[0007] The side wall of the discharge pipe is provided with a first discharge port and a second discharge port at intervals along the circumferential direction, the spraying direction of the first discharge port and the spraying direction of the second discharge port are arranged at an angle, and both the spraying direction of the first discharge port and the spraying direction of the second discharge port are directed towards the combustion area of the combustion furnace.
[0008] Both ends of the discharge pipe are provided with a third discharge port, and both ends of the discharge pipe are connected to a baffle, which is used to guide the petroleum coke powder sprayed from the third discharge port to the combustion area of the combustion furnace.
[0009] In an optional embodiment,
[0010] The end of the material feeding pipe towards the material discharging pipe is provided with a first area material feeding port, a second area material feeding port and a third area material feeding port;
[0011] The first area material feeding port is in communication with the first material discharging port;
[0012] The second area material feeding port is in communication with the second material discharging port;
[0013] The third area material feeding port is in communication with the third material discharging port.
[0014] In an optional embodiment,
[0015] The first area material feeding port comprises a plurality of first material feeding ports;
[0016] The material discharging pipe is provided with a plurality of first lance pipes connected one by one with the plurality of first material feeding ports, and the plurality of first lance pipes are arranged one by one with the plurality of first material discharging ports, and the plurality of first material discharging ports are arranged along the axis of the material discharging pipe;
[0017] The first lance pipe extends through the first material discharging port towards the lower part of the combustion furnace.
[0018] In an optional embodiment,
[0019] The second area material feeding port comprises a plurality of second material feeding ports;
[0020] The material discharging pipe is provided with a plurality of second lance pipes connected one by one with the plurality of second material feeding ports, and the plurality of second lance pipes are arranged one by one with the plurality of second material discharging ports, and the plurality of second material discharging ports are arranged along the axis of the material discharging pipe;
[0021] The second lance pipe extends through the second material discharging port towards the front of the combustion furnace.
[0022] In an optional embodiment,
[0023] The third area material feeding port comprises two third material feeding ports;
[0024] The material discharging pipe is provided with two third lance pipes connected one by one with the two third material feeding ports, and the two third lance pipes respectively pass through the two third material discharging ports to spray petroleum coke powder to the left and right sides of the combustion furnace.
[0025] In an optional embodiment,
[0026] The material discharging pipe is provided with a first material discharging area and a second material discharging area;
[0027] The first discharge port is provided with a plurality of first discharge ports, and the plurality of first discharge ports are in communication with the first discharge area.
[0028] The second discharge port is provided with a plurality of second discharge ports, and the plurality of second discharge ports are in communication with the second discharge area.
[0029] In an optional embodiment,
[0030] The end of the material conveying pipe towards the end of the discharge pipe is provided with a total material outlet;
[0031] The discharge pipe is provided with a partition plate, the partition plate is perpendicular to the total material outlet, and the partition plate is used to divide the internal space of the discharge pipe into the first discharge area and the second discharge area.
[0032] In an optional embodiment,
[0033] The material conveying pipe and the discharge pipe are perpendicular to each other.
[0034] In an optional embodiment,
[0035] The included angle of the first discharge port and the second discharge port ranges from 0° to 70°.
[0036] In a second aspect, the petroleum coke powder smelting furnace comprises the petroleum coke powder combustion lance.
[0037] The petroleum coke powder combustion lance provided by the utility model can convey petroleum coke powder into the discharge pipe through the material conveying pipe, and because the side wall of the discharge pipe is provided with the first discharge port and the second discharge port and the third discharge port is arranged at both ends of the discharge pipe, the multi-angle discharge port can realize the function of full-range injection of petroleum coke powder in front of, below and on both sides of the combustion furnace, thereby relieving the technical problems of single injection direction of the petroleum coke powder injection lance, single injection path of the petroleum coke powder and the inability of the injection range to fully cover different directions of the combustion furnace. BRIEF DESCRIPTION OF DRAWINGS
[0038] In order to more clearly illustrate the technical scheme in the specific embodiments of the utility model or the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0039] Figure 1 It is a whole structure schematic view of the petroleum coke powder combustion lance provided by the utility model embodiment 1.
[0040] Figure 2 The internal structure schematic view of the petroleum coke powder combustion lance provided by the embodiment 1 of the present application is shown in the figure.
[0041] Figure 3 The structure schematic view under the top view angle of the petroleum coke powder combustion lance provided by the embodiment 1 of the present application is shown in the figure.
[0042] Figure 4 The internal structure schematic view of the petroleum coke powder combustion lance provided by the embodiment 2 of the present application is shown in the figure.
[0043] Figure 5 The overall structure schematic view of the petroleum coke powder combustion lance provided by the embodiment 3 of the present application is shown in the figure.
[0044] Figure 6 The structure schematic view under the top view angle of the petroleum coke powder combustion lance provided by the embodiment 3 of the present application is shown in the figure.
[0045] Figure: 100 - material conveying pipe; 110 - first material conveying port; 120 - second material conveying port; 130 - third material conveying port; 200 - material discharging pipe; 210 - first material discharging port; 211 - first lance pipe; 220 - second material discharging port; 221 - second lance pipe; 230 - third material discharging port; 231 - third lance pipe; 240 - first material discharging area; 250 - second material discharging area; 260 - partition plate; 300 - baffle. DETAILED DESCRIPTION
[0046] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0047] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0048] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, it can be fixed connection, also can be detachable connection, or integrally connected;It can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through intermediate medium, it can be the communication inside two elements.For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.
[0049] The specific embodiment of the utility model is described in detail below in combination with the drawings.It should be understood that the specific embodiment described here is only used to illustrate and explain the utility model, and is not used to limit the utility model.
[0050] The petroleum coke powder combustion lance provided by the embodiment comprises a feeding pipe 100 and a discharge pipe 200, the end of the feeding pipe 100 is connected with the side wall of the discharge pipe 200, specifically, the feeding pipe 100 and the discharge pipe 200 are arranged perpendicularly to each other, or can be arranged obliquely, the side wall of the discharge pipe 200 is spaced apart in the circumferential direction and is provided with a first discharge port 210 and a second discharge port 220, the spray direction of the first discharge port 210 and the spray direction of the second discharge port 220 are arranged at an angle, the angle range of the first discharge port 210 and the second discharge port 220 is 0°-70°, and the spray direction of the first discharge port 210 and the spray direction of the second discharge port 220 are both directed to the combustion area of the combustion furnace, so as to ensure that the sprayed petroleum coke powder can be sprayed towards the lower part of the combustion furnace.
[0051] The both ends of the discharge pipe 200 are provided with a third discharge port 230, and the both ends of the discharge pipe 200 are connected with a baffle 300, the function of the baffle 300 is to ensure that the petroleum coke powder sprayed from the outlet of the third discharge port 230 can be sprayed towards the lower part of the combustion furnace, and at the same time, the angle between the baffle 300 and the end face of the discharge pipe 200 can be adjusted, through different angle settings, the path, area and speed of the petroleum coke powder sprayed from the third discharge port 230 can be adjusted, and then the spraying length of the petroleum coke powder is adjusted.
[0052] It should be noted that the baffle 300 and the discharge pipe 200 can be fixedly connected with the end side wall of the discharge pipe 200 at a preset angle through welding after the specification of the combustion furnace is known, which can be welding, so that the connection is more stable;In addition, if the specification of the combustion furnace is unknown, the baffle 300 and the discharge pipe 200 can also be preliminarily fixed by clamping, and then fixed by welding after the specification of the combustion furnace is known.
[0053] The petroleum coke powder combustion lance provided by the embodiment can realize omnidirectional injection of petroleum coke powder in front of, below and on both sides of the combustion furnace, and alleviate the technical problems of single injection direction of the petroleum coke powder injection lance, single injection path of the petroleum coke powder and inability of the injection range to fully cover different directions of the combustion furnace.
[0054] Embodiment 1
[0055] As shown in Figure 1 、 Figure 2 、 Figure 3 The end of the feeding pipe 100 towards the discharge pipe 200 is provided with a first area feeding port, a second area feeding port and a third area feeding port, the first area feeding port is in communication with the first discharge port 210, the petroleum coke powder in the feeding pipe 100 is sprayed out through the first area feeding port and the first discharge port 210 in turn, the second area feeding port is in communication with the second discharge port 220, the petroleum coke powder in the feeding pipe 100 is sprayed out through the second area feeding port and the second discharge port 220 in turn, and the third area feeding port is in communication with the third discharge port 230, the petroleum coke powder in the feeding pipe 100 is sprayed out through the third area feeding port and the third discharge port 230 in turn.
[0056] In an optional embodiment, the first area feeding port includes a plurality of first feeding ports 110, the discharge pipe 200 is provided with a plurality of first lance pipes 211 connected one by one with the plurality of first feeding ports 110, the plurality of first lance pipes 211 are arranged one by one with the plurality of first discharge ports 210, the plurality of first discharge ports 210 are arranged along the axis of the discharge pipe 200, the petroleum coke powder in the feeding pipe 100 enters the first lance pipe 211 through the first feeding port 110, and the petroleum coke powder is sprayed out through the first lance pipe 211, and since the first lance pipe 211 extends towards the lower part of the combustion furnace through the first discharge port 210, the petroleum coke powder can be sprayed towards the lower part of the combustion furnace.
[0057] The number of the first feeding ports 110 is determined according to actual conditions, preferably, the first feeding ports 110 are provided as three, and the first lance pipes 211 and the first discharge ports 210 are each provided as three.
[0058] In an optional embodiment, the second region feed port comprises a plurality of second feed ports 120, the discharge pipe 200 is provided with a plurality of second lance pipes 221 corresponding to the plurality of second feed ports 120, the plurality of second lance pipes 221 are arranged corresponding to the plurality of second discharge ports 220, the plurality of second discharge ports 220 are arranged along the axis of the discharge pipe 200, the petroleum coke powder in the feed pipe 100 enters the second lance pipe 221 through the second feed port 120, the petroleum coke powder is sprayed out through the second lance pipe 221, and since the second lance pipe 221 extends towards the front of the combustion furnace through the second discharge port 220, the petroleum coke powder can be sprayed towards the front of the combustion furnace.
[0059] The number of second feed ports 120 is determined according to actual conditions, preferably, the second feed ports 120 are provided as three, and the corresponding second lance pipes 221 and second discharge ports 220 are also provided as three.
[0060] In an optional embodiment, the third region feed port comprises two third feed ports 130; the discharge pipe 200 is provided with two third lance pipes 231 corresponding to the two third feed ports 130, the two third lance pipes 231 pass through the two third discharge ports 230, and since the third feed ports 130 are located on the two end faces of the discharge pipe 200, the petroleum coke powder can be sprayed to the left and right sides of the combustion furnace.
[0061] Example 2
[0062] As shown in Figure 1 , Figure 4 It should be noted that the overall outer contour of Example 1 and Example 2 is the same, only the internal space is different, specifically, the discharge pipe 200 is provided with a first discharge region 240 and a second discharge region 250; the first discharge port 210 is provided with a plurality of first discharge ports 210, the plurality of first discharge ports 210 are in communication with the first discharge region 240, and the two third discharge ports 230 are in communication with the first discharge region 240; the second discharge port 220 is provided with a plurality of second discharge ports 220, the plurality of second discharge ports 220 are in communication with the second discharge region 250, the petroleum coke powder in the feed pipe 100 enters the first discharge region 240 and the second discharge region 250 in the discharge pipe 200, the petroleum coke powder in the first discharge region 240 is sprayed out through the first discharge port 210 and the third discharge port 230, and the petroleum coke powder in the second discharge region 250 is sprayed out through the second discharge port 220.
[0063] Specifically, the end of the feeding pipe 100 towards the discharge pipe 200 is provided with a total feeding port; the discharge pipe 200 is provided with a partition plate 260, the partition plate 260 is perpendicular to the total feeding port, the partition plate 260 divides the internal space of the discharge pipe 200 into a first discharge area 240 and a second discharge area 250, the petroleum coke powder conveyed from the feeding pipe 100 is separated by the partition wall and enters the first discharge area 240 and the second discharge area 250 respectively, and is sprayed through the first discharge port 210, the second discharge port 220 and the third discharge port 230, the first discharge port 210 extends towards the lower side of the combustion furnace, the second discharge port 220 extends towards the front of the combustion furnace, and the third discharge port 230 extends towards the left and right sides of the combustion furnace, so that the petroleum coke powder is sprayed in all directions in front of, below and on the left and right sides of the combustion furnace.
[0064] Embodiment 3
[0065] As shown in Figure 5 , Figure 6 In addition, the discharge pipe 200 can also be provided as two, the two discharge pipes 200 are inclined towards the direction of the combustion furnace, the partition plate 260 is arranged in the feeding pipe 100, the space in the discharge pipe 200 is divided into two areas, the two areas are communicated with the two discharge pipes 200 respectively, and the petroleum coke powder is sprayed towards the combustion furnace through the two discharge pipes 200.
[0066] Based on the above, the utility model provides a kind of petroleum coke powder combustion furnace rifle, it is applied to smelting enterprise's smelting reverberatory furnace and smelting reverberatory converter, can realize the all-round injection of petroleum coke powder in front of, below and on the left and right sides of the combustion furnace.
[0067] In addition, the utility model provides a kind of petroleum coke powder smelting furnace, including petroleum coke powder combustion rifle, because the technical effect of petroleum coke powder smelting furnace is identical with the technical effect of petroleum coke powder combustion rifle in the above embodiment, here is not repeated.
[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A petroleum coke powder combustion lance characterized by, The petroleum coke powder combustion lance comprises: a feeding pipe (100) and a discharging pipe (200); an end of the feeding pipe (100) is connected with a side wall of the discharging pipe (200); a side wall of the discharging pipe (200) is provided with a first discharging port (210) and a second discharging port (220) at intervals along a circumferential direction, a spraying direction of the first discharging port (210) and a spraying direction of the second discharging port (220) are arranged at an included angle, and the spraying directions of the first discharging port (210) and the second discharging port (220) are both directed towards a combustion area of a combustion furnace; both ends of the discharging pipe (200) are provided with a third discharging port (230), and both ends of the discharging pipe (200) are connected with a baffle (300) for guiding petroleum coke powder sprayed from the third discharging port (230) to the combustion area of the combustion furnace.
2. The petroleum coke powder combustion lance according to claim 1, wherein the feeding pipe (100) is provided with a first area feeding port, a second area feeding port and a third area feeding port at an end of the discharging pipe (200); the first area feeding port is in communication with the first discharging port (210); the second area feeding port is in communication with the second discharging port (220); the third area feeding port is in communication with the third discharging port (230).
3. The petroleum coke powder combustion lance according to claim 2, wherein the first area feeding port comprises a plurality of first feeding ports (110); the discharging pipe (200) is provided with a plurality of first lance pipes (211) connected with the plurality of first feeding ports (110) one by one, the plurality of first lance pipes (211) are arranged corresponding to the plurality of first discharging ports (210) one by one, and the plurality of first discharging ports (210) are arranged at intervals along an axis of the discharging pipe (200); the first lance pipe (211) extends towards below the combustion furnace through the first discharging port (210).
4. The petroleum coke powder combustion lance according to claim 3, wherein the second area feeding port comprises a plurality of second feeding ports (120); the discharging pipe (200) is provided with a plurality of second lance pipes (221) connected with the plurality of second feeding ports (120) one by one, the plurality of second lance pipes (221) are arranged corresponding to the plurality of second discharging ports (220) one by one, and the plurality of second discharging ports (220) are arranged at intervals along the axis of the discharging pipe (200); the second lance pipe (221) extends towards the front of the combustion furnace through the second discharging port (220).
5. The petroleum coke powder combustion lance according to claim 4, wherein the third area feeding port comprises two third feeding ports (130). Two third lance pipes (231) corresponding to the two third feeding ports (130) are arranged in the discharge pipe (200), and the two third lance pipes (231) respectively pass through the two third discharge ports (230) to spray petroleum coke powder to the left and right sides of the combustion furnace.
6. The petroleum coke powder combustion lance according to claim 1, characterized in that, The discharge pipe (200) is provided with a first discharge area (240) and a second discharge area (250); The first discharge port (210) is provided with a plurality of first discharge ports (210) which are in communication with the first discharge area (240), and the two third discharge ports (230) are in communication with the first discharge area (240); The second discharge port (220) is provided with a plurality of second discharge ports (220) which are in communication with the second discharge area (250).
7. The petroleum coke powder combustion lance according to claim 6, characterized in that, The end of the feeding pipe (100) towards the discharge pipe (200) is provided with a total feeding port; The discharge pipe (200) is provided with a partition plate (260) which is perpendicular to the total feeding port, and the partition plate (260) is used to divide the internal space of the discharge pipe (200) into the first discharge area (240) and the second discharge area (250).
8. The petroleum coke powder combustion lance according to any one of claims 1-7, characterized in that, The feeding pipe (100) and the discharge pipe (200) are arranged perpendicular to each other.
9. The petroleum coke powder combustion lance according to claim 8, characterized in that, The included angle of the first discharge port (210) and the second discharge port (220) ranges from 0° to 70°.
10. A petroleum coke powder melting furnace characterized by comprising: The petroleum coke powder combustion lance according to any one of claims 1-9.