Coke oven gas gas-liquid separation device

Abstract

The utility model relates to a coke oven gas gas-liquid separation device which comprises a tank body, a first gas inlet pipe, a first gas outlet pipe and a first liquid outlet pipe are arranged on the tank body, a first separation part is arranged at the position, between the first gas inlet pipe and the first gas outlet pipe, in the tank body, and a gas outlet of the first gas outlet pipe is further connected with an exhaust box body through a connecting flange. A second air inlet pipe, a second liquid outlet pipe and at least one second air outlet pipe are arranged on the exhaust box body, and a second separation assembly corresponding to the second air inlet pipe in position is further arranged in the exhaust box body. The gas-liquid separator has the beneficial effects of efficiently realizing gas-liquid separation and the like.

Description

Technical Field

[0001] The utility model relates to a gas-liquid separation device, in particular to a coke oven gas gas-liquid separation device, belonging to the technical field of gas-liquid separation. Background Art

[0002] In the production and transportation of coke oven gas, liquids (such as condensed water, tar, etc.) are often generated and mixed. These liquids not only affect the quality of the gas, but may also cause corrosion and blockage to the transportation pipelines and equipment, thereby affecting the stability and safety of production. Therefore, the development of an efficient coke oven gas gas-liquid separation device is of great significance to improving the quality of coke oven gas and the safety of production. Utility Model Content

[0003] The utility model mainly aims at the above problems existing in the prior art and provides a coke oven gas-liquid separation device.

[0004] The purpose of this utility model is mainly achieved through the following solutions:

[0005] The coke oven gas gas-liquid separation device comprises a tank body, on which a first air inlet pipe, a first air outlet pipe and a first liquid outlet pipe are provided, a first separation component is provided in the tank body between the first air inlet pipe and the first air outlet pipe, the air outlet of the first air outlet pipe is also connected to an exhaust box body through a connecting flange, the exhaust box body is provided with a second air inlet pipe, a second liquid outlet pipe and at least one second air outlet pipe, and a second separation component corresponding to the position of the second air inlet pipe is also provided in the exhaust box body.

[0006] Preferably, the first air inlet pipe and the first air outlet pipe are connected to the lower and upper side walls of the tank body respectively, and the first liquid outlet pipe is connected to the bottom center of the tank body.

[0007] Preferably, the first air inlet pipe extends into the interior of the tank body and is connected to a vertically arranged shunt pipe.

[0008] Preferably, a liquid baffle is provided in the tank body between the first separation component and the diversion pipe, and a plurality of fixing rods connected to the inner wall of the tank body are evenly arranged on the outer wall of the liquid baffle.

[0009] Preferably, the first separation component comprises a group of deflection baffles at the bottom and a group of wire mesh demisters at the top.

[0010] Preferably, a plurality of deflector baffles are provided, and the deflector baffles are all arranged downwards, and adjacent deflector baffles are arranged in a staggered manner.

[0011] Preferably, the wire mesh demisters are provided in plurality, and multiple layers of wire mesh demisters with different pore sizes are used.

[0012] Preferably, the second air inlet pipe is connected to the side wall of the exhaust box, the second liquid outlet pipe is connected to the bottom center of the exhaust box, and the second air outlet pipe is connected to the top of the exhaust box.

[0013] Preferably, the second separation component comprises a separation cylinder which is hollow inside, open at one end and closed at the other end; the closed end of the separation cylinder is provided with a connecting plate, the connecting plate is fixedly connected to the side wall of the exhaust box, and the open end cover of the separation cylinder is arranged at the air outlet of the second air inlet pipe; the side wall of the separation cylinder is evenly provided with a plurality of air holes.

[0014] Preferably, a rotating plate adapted to the inner wall of the second air outlet pipe is provided in the second air outlet pipe, a rotating rod is connected to one side of the rotating plate, the rotating rod is consistent with the radial direction of the rotating plate, and both ends of the rotating rod respectively pass through the second air outlet pipe and are rotatably connected thereto, and a knob is provided at one end of the rotating rod.

[0015] Therefore, compared with the prior art, the utility model has the following advantages:

[0016] (1) The utility model can perform a gas-liquid separation in the tank body by providing a diverter pipe, a liquid baffle plate, a baffle plate and a wire mesh demister, effectively capture and separate the liquid in the coke oven gas, and realize efficient gas-liquid separation. Subsequently, a secondary gas-liquid separation is realized by a diverter tube in the exhaust box body, ensuring that the liquid in the coke oven gas is removed as much as possible, thereby improving the quality of the coke oven gas and the safety of production;

[0017] (2) The utility model can realize the diversion of coke oven gas by setting up multiple second gas outlet pipes, and the gas outlet volume of coke oven gas can be controlled by the rotating plate in the second gas outlet pipe, which is easy to operate;

[0018] (3) The utility model is applicable to coke oven gas production and processing equipment of various sizes and types and has high versatility and scalability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the tank body in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the exhaust box in the utility model;

[0022] Figure 4 It is a cross-sectional view of the exhaust box body in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the second separation component in the utility model;

[0024] Figure 6 It is a structural schematic diagram of a rotating plate and a rotating rod in the utility model.

[0025] Illustration: 1-tank body, 2-first air inlet pipe, 3-first air outlet pipe, 4-first liquid outlet pipe, 5-connecting flange, 6-exhaust box, 7-second air inlet pipe, 8-second liquid outlet pipe, 9-second air outlet pipe, 10-diverter pipe, 11-baffle, 12-fixing rod, 13-baffle, 14-wire mesh demister, 15-separation cylinder, 16-connecting plate, 17-air vent, 18-rotating plate, 19-rotating rod, 20-knob, 21-ladder, 22-manhole, 23-support foot. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further described in detail below through specific embodiments and in combination with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of modification and / or change made to the utility model will fall within the protection scope of the utility model.

[0027] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the field. The methods in the following embodiments, unless otherwise specified, are conventional methods in the field. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0028] Embodiment 1:

[0029] like Figure 1 , 2 As shown, the utility model provides a technical solution, a gas-liquid separation device of coke oven gas, comprising a tank body 1, the bottom of the tank body 1 is welded or bolted with a plurality of supporting feet to ensure the stability of the device, a first air inlet pipe 2, a first air outlet pipe 3 and a first liquid outlet pipe 4 are provided on the tank body 1, a first separation component is provided at a position between the first air inlet pipe 2 and the first air outlet pipe 3 in the tank body 1, the air outlet of the first air outlet pipe 3 is also connected to an exhaust box body 6 through a connecting flange 5, a second air inlet pipe 7, a second liquid outlet pipe 8 and at least one second air outlet pipe 9 are provided on the exhaust box body 6, the air outlet of the first air outlet pipe 3 is connected to the air inlet of the second air inlet pipe 7, and a second separation component corresponding to the position of the second air inlet pipe 7 is also provided in the exhaust box body 6; efficient gas-liquid separation can be achieved through the separation effect of the first separation component and the second separation component; and valves are installed on the above-mentioned first air inlet pipe 2, first liquid outlet pipe 4, second air outlet pipe 9 and second liquid outlet pipe 8.

[0030] Embodiment 2:

[0031] like Figure 1 , 2 As shown, the utility model provides a technical solution, a coke oven gas-liquid separation device, which is different from Example 1 in that the first air inlet pipe 2 and the first air outlet pipe 3 are respectively connected to the lower and upper side walls of the tank body 1, and the first liquid outlet pipe 4 is connected to the bottom center of the tank body 1.

[0032] Specifically, the first air inlet pipe 2 extends into the interior of the tank body 1 and is connected to a vertically arranged shunt pipe 10. The first air inlet pipe 2 and the shunt pipe 10 are welded and fixed. Since the shunt pipe 10 is vertically arranged, when the coke oven gas containing liquid enters the shunt pipe 10, most of the liquid flows out from the lower opening, and the coke oven gas and a small amount of liquid flow out from the upper opening. When the liquid at the bottom of the tank body 1 reaches a certain amount, the valve of the first liquid outlet pipe 4 is opened to discharge the liquid for subsequent processing.

[0033] Specifically, a liquid baffle plate 11 is provided in the tank body 1 between the first separation component and the diversion pipe 10. The cross-section of the baffle plate 11 is a U-shaped structure with the opening facing downward. The outer wall of the liquid baffle plate 11 is evenly circumferentially provided with multiple fixing rods 12 connected to the inner wall of the tank body 1. The fixing rods 12 are welded to the liquid baffle plate 11, and the fixing rods 12 are bolted to the inner wall of the tank body 1. Gaps are left between adjacent fixing rods 12 for gas to pass through.

[0034] Embodiment 3:

[0035] like Figure 1 , 2 As shown, the utility model provides a technical solution, a coke oven gas-liquid separation device, which is different from Example 1 in that the first separation component includes a group of deflection baffles 13 at the bottom and a group of wire mesh demisters 14 at the top.

[0036] Specifically, a plurality of deflector baffles 13 are provided, and the deflector baffles 13 are all arranged downward, and adjacent deflector baffles 13 are staggered left and right.

[0037] Specifically, there are multiple wire mesh demisters 14, and multiple layers of wire mesh demisters 14 with different apertures are used, and the aperture of the upper wire mesh demister 14 is smaller than the aperture of the lower wire mesh demister 14; the gas is filtered and separated layer by layer through the baffle plate 13 and the wire mesh demister 14, and finally discharged from the first outlet pipe 3, realizing a one-time separation of gas and liquid.

[0038] Embodiment 4:

[0039] like Figure 3 , 4As shown, the utility model provides a technical solution, a gas-liquid separation device for coke oven gas, which is different from Example 1 in that the second air inlet pipe 7 is connected to the side wall of the exhaust box 6, the second liquid outlet pipe 8 is connected to the bottom center of the exhaust box 6, and the second air outlet pipe 9 is connected to the top of the exhaust box 6. In this embodiment, two second air outlet pipes 9 are provided, and the separated coke oven gas is finally discharged from the second air outlet pipe 9 for subsequent production. In addition, the final exhaust gas can also be introduced into the first air inlet pipe 2 to realize continuous gas-liquid separation treatment of the coke oven gas; when the liquid at the bottom of the exhaust box 6 reaches a certain amount, the valve of the second liquid outlet pipe 8 is opened to discharge the liquid for subsequent treatment.

[0040] like Figure 5 As shown, the second separation component includes a separation cylinder 15 which is hollow inside, open at one end and closed at the other end. A connecting plate 16 with a diameter larger than that of the separation cylinder 15 is welded to the closed end of the separation cylinder 15. The connecting plate 16 is coaxially arranged with the separation cylinder 15, and the connecting plate 16 is fixedly connected to the side wall of the exhaust box 6 by bolts. Specifically, an opening is provided on the side wall of the exhaust box 6, and the separation cylinder 15 is inserted into the exhaust box 6 through the opening. The connecting plate 16 is buckled at the opening, and a sealing gasket should be provided between the connecting plate 16 and the exhaust box 6 to ensure sealing, and the open end cover of the separation cylinder 15 is provided at the air outlet of the second air inlet pipe 7, and the open end of the separation cylinder 15 should abut against the inner wall of the exhaust box 6. The side wall of the separation cylinder 15 is evenly provided with a plurality of air holes 17, and the diverter cylinder 15 realizes secondary gas-liquid separation to ensure that the liquid in the coke oven gas is removed as much as possible, thereby improving the quality of the coke oven gas and the safety of production.

[0041] like Figure 6 As shown, a rotating plate 18 matched with the inner wall of the second air outlet pipe 9 is provided in the second air outlet pipe 9, and a rotating rod 19 is connected to one side of the rotating plate 18 by bolts. The radial direction of the rotating rod 19 is consistent with that of the rotating plate 18, and both ends of the rotating rod 19 respectively penetrate the second air outlet pipe 9 and are rotatably connected thereto. A sealing arrangement should be provided between the rotating rod 19 and the side wall of the second air outlet pipe 9 (such as installing a sealing ring, etc.). A knob 20 is welded to one end of the rotating rod 19. By rotating the knob 20, the rotating rod 19 and the rotating plate 18 are driven to rotate, thereby realizing the change of the angle of the rotating plate 18 and realizing the control of the gas outlet volume of the coke oven gas.

[0042] The coke oven gas gas-liquid separation device provided by the utility model can perform a gas-liquid separation in a tank body by means of the arranged diverter pipe, liquid baffle plate, deflection baffle plate and wire mesh demister, effectively capture and separate the liquid in the coke oven gas, and realize efficient gas-liquid separation, and subsequently realize secondary gas-liquid separation by means of the diverter cylinder in the exhaust box body, so as to ensure that the liquid in the coke oven gas is removed as much as possible, thereby improving the quality of the coke oven gas and the safety of production; the diversion of the coke oven gas can be realized by means of the arranged multiple second gas outlet pipes, and the control of the gas outlet volume of the coke oven gas can be realized by means of the rotating plate in the second gas outlet pipes, and the operation is simple; the utility model is suitable for coke oven gas production and processing equipment of various scales and types, and has high versatility and scalability.

[0043] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A coke oven gas-liquid separation device, characterized in that: The invention comprises a tank body (1), wherein the tank body (1) is provided with a first air inlet pipe (2), a first air outlet pipe (3) and a first liquid outlet pipe (4); a first separation component is provided at a position between the first air inlet pipe (2) and the first air outlet pipe (3) in the tank body (1); the air outlet of the first air outlet pipe (3) is also connected to an exhaust box body (6) via a connecting flange (5); a second air inlet pipe (7), a second liquid outlet pipe (8) and at least one second air outlet pipe (9) are provided on the exhaust box body (6); and a second separation component corresponding to the position of the second air inlet pipe (7) is also provided in the exhaust box body (6).

2. The coke oven gas liquid separation device according to claim 1, characterized in that: The first air inlet pipe (2) and the first air outlet pipe (3) are respectively connected to the lower and upper side walls of the tank body (1), and the first liquid outlet pipe (4) is connected to the center of the bottom of the tank body (1).

3. The coke oven gas liquid separation device according to claim 2, characterized in that: The first air inlet pipe (2) extends into the interior of the tank body (1) and is connected to a vertically arranged shunt pipe (10).

4. The coke oven gas liquid separation device according to claim 3, characterized in that: A liquid baffle plate (11) is provided in the tank body (1) between the first separation component and the diversion pipe (10), and a plurality of fixing rods (12) connected to the inner wall of the tank body (1) are evenly arranged on the outer wall of the liquid baffle plate (11).

5. The coke oven gas liquid separation device according to claim 1, characterized in that: The first separation component comprises a group of baffle plates (13) at the bottom and a group of wire mesh demisters (14) at the top.

6. The coke oven gas liquid separation device according to claim 5, characterized in that: A plurality of deflector baffles (13) are provided, and the deflector baffles (13) are all arranged downwards, and adjacent deflector baffles (13) are arranged in a staggered manner.

7. The coke oven gas liquid separation device according to claim 6, characterized in that: The wire mesh demisters (14) are provided in plurality, and multiple layers of wire mesh demisters (14) with different apertures are used.

8. The coke oven gas liquid separation device according to claim 1, characterized in that: The second air inlet pipe (7) is connected to the side wall of the exhaust box (6), the second liquid outlet pipe (8) is connected to the bottom center of the exhaust box (6), and the second air outlet pipe (9) is connected to the top of the exhaust box (6).

9. The coke oven gas liquid separation device according to claim 8, characterized in that: The second separation component comprises a separation cylinder (15) which is hollow inside, open at one end and closed at the other end; a connecting plate (16) is provided at the closed end of the separation cylinder (15); the connecting plate (16) is fixedly connected to the side wall of the exhaust box (6); the open end of the separation cylinder (15) is covered at the air outlet of the second air inlet pipe (7); and a plurality of air holes (17) are evenly provided on the side wall of the separation cylinder (15).

10. The coke oven gas liquid separation device according to claim 9, characterized in that: A rotating plate (18) adapted to the inner wall of the second air outlet pipe (9) is provided in the second air outlet pipe (9), and a rotating rod (19) is connected to one side of the rotating plate (18). The rotating rod (19) and the rotating plate (18) have the same radial direction, and both ends of the rotating rod (19) respectively penetrate the second air outlet pipe (9) and are rotatably connected thereto, and a knob (20) is provided at one end of the rotating rod (19).

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