A single carbonization chamber pressure regulating system

Abstract

The present invention relates to a single carbonization chamber pressure regulating system, comprising a riser, a bridge pipe and a gas collecting pipe, and also comprising an outer shell, an inner barrel and an adjusting mechanism, wherein the bottom of the outer shell is connected to the gas collecting pipe; the upper part of the gas collecting pipe is open and communicated with the outer shell; the end of the bridge pipe facing downward is serrated and inserted into the outer shell; the inner barrel is arranged in the outer shell below the bridge pipe, and the inner diameter of the inner barrel is larger than the outer diameter of the end of the bridge pipe; the inner barrel contains a water sealing liquid; and the adjusting mechanism is used to control the lifting and lowering of the inner barrel. The present invention adjusts the flow area of ​​the raw gas by adjusting the sawtooth intersection area between the inner barrel and the end of the bridge pipe, and has high adjustment sensitivity, long service life, simple structure and convenient use.

Description

Technical Field

[0001] The invention belongs to the technical field of coke oven equipment, and in particular relates to a single carbonization chamber pressure regulating system. Background Art

[0002] The circulation of coke and coal loading in the carbonization chamber of the coke oven during the production process will cause fluctuations in the gas collecting pipe pressure, thus affecting the pressure stability in the carbonization chamber; the pressure in the carbonization chamber is relatively high in the initial stage of coal loading and coking, and raw coal gas leaks from the furnace door, coal loading holes, etc., causing environmental pollution; the pressure in the carbonization chamber is relatively low at the end of coking, and air enters the carbonization chamber from the furnace door, coal loading holes, etc., causing coke and raw coal gas to burn, reducing the quality of coke and the recovery of chemical products, and in severe cases causing damage to the coke oven, affecting its service life.

[0003] The traditional bridge pipe end is installed in a water seal structure, where there is a lot of sewage and due to factors such as temperature, tar often sprays out of the water seal. The water becomes viscous and cannot be replaced, making it difficult to clean, resulting in water seal failure. Summary of the invention

[0004] The object of the present invention is to provide a single carbonization chamber pressure regulating system, which can regulate the pressure of the carbonization chamber and remove residual tar;

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A single carbonization chamber pressure regulating system comprises a riser, a bridge pipe and a gas collecting pipe, wherein one end of the bridge pipe is connected to the side end of the riser, and the other end is bent downward; the gas collecting pipe is arranged below the bridge pipe;

[0007] It also includes an outer shell, an inner barrel and an adjustment mechanism.

[0008] The bottom of the shell is connected to the gas collecting pipe; the top of the gas collecting pipe is open and communicated with the shell; the end of the bridge pipe facing downward is serrated and inserted into the shell, wherein the bridge pipe, the shell and the gas collecting pipe are all sealed;

[0009] The inner barrel is arranged in the outer shell below the bridge tube, and the inner diameter of the inner barrel is larger than the outer diameter of the end of the bridge tube; the top of the inner barrel is open; the inner barrel contains water sealing liquid;

[0010] The regulating mechanism is used to control the lifting and lowering of the inner barrel so that the end of the bridge pipe is inserted into the water sealing liquid of the inner barrel.

[0011] Preferably, the adjustment mechanism includes a first lifting mechanism, a connecting rod and a connecting seat, and a plurality of protrusions are fixed on the top of the inner barrel; the plurality of protrusions extend horizontally toward the outside of the inner barrel; a connecting rod is vertically fixed to each of the protrusions; the plurality of connecting rods surround the bridge tube and extend upward through the outer shell; the tops of the plurality of connecting rods are fixed to the connecting seat, and the connecting seat is arranged in a ring shape; the telescopic end of the first lifting mechanism is fixed to the connecting seat.

[0012] Preferably, the first lifting mechanism is vertically fixed on the top of the shell; a lifting seat is vertically provided on one side of the first lifting mechanism; an extension portion is fixed on the top of the lifting seat; the extension portion extends toward the first lifting mechanism and is connected to the telescopic end of the first lifting mechanism; and the bottom of the lifting seat is fixed to the connecting seat.

[0013] Preferably, the bottom of the inner barrel is truncated, and a support plate is horizontally provided at the bottom of the inner barrel; both ends of the support plate are fixed to the inside of the outer shell; a square cavity is fixed on the support plate; and the square cavity is arranged at the bottom of the inner barrel.

[0014] Preferably, a plurality of guide sleeves are fixed above the shell; and a plurality of connecting rods extend upward through corresponding guide sleeves.

[0015] Preferably, a scale is vertically arranged on the shell, the scale is on one side of the connecting seat, and scales are arranged on both sides of the scale.

[0016] Preferably, a hinge seat is fixed on the top of the bridge tube; the hinge rod of the hinge seat is hinged with a hinge part; the hinge part extends above the riser, and the hinge part is hinged with a riser cover; one end of the hinge rod passes through the hinge seat and extends outward; a connecting rod group is fixed to the end of the hinge rod away from the hinge seat; the connecting rod group extends below the hinge rod, and a second lifting mechanism is provided below the connecting rod group; the telescopic end of the second lifting mechanism is hinged to the end of the connecting rod group away from the hinge rod.

[0017] Preferably, the first lifting mechanism and the second lifting mechanism are hydraulic cylinders or screw lifts.

[0018] Preferably, an observation port is provided on one side of the bridge pipe where it is bent; and an observation door is installed on the observation port.

[0019] Preferably, a steam pipe is connected to one side of the riser; the steam pipe extends obliquely upward and is in communication with the riser.

[0020] The present invention adjusts the flow area of ​​raw gas by adjusting the sawtooth intersection area between the inner barrel and the end of the bridge pipe. The inner barrel is lowered to contact the square cavity, and the inner barrel is offset at a certain angle, so that the tar accumulated on the top of the inner barrel slides into the gas collecting pipe, avoiding water seal failure. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 for Figure 1 A large picture of the adjustment mechanism above the shell is posted;

[0023] Figure 3 This is a schematic diagram of the structure of the present invention with part of the outer shell removed;

[0024] Figure 4 for Figure 3 Enlarged view of the adjustment mechanism;

[0025] Figure 5 It is a cross-sectional view of the interior of the housing in another embodiment of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the second lifting mechanism. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] like Figure 1-4 As shown, the present invention provides a single carbonization chamber pressure regulating system, comprising a riser 1, a bridge pipe 2 and a gas collecting pipe 3.

[0029] One end of the bridge pipe 2 is connected to the side end of the riser 1, and the other end is bent downward; the gas collecting pipe 3 is arranged below the bridge pipe 2, and the raw coal gas enters the riser 1 through the carbonization chamber, and then enters the gas collecting pipe 3 through the bridge pipe 2, and the raw coal gas is discharged;

[0030] It also includes a shell 4, an inner barrel 41 and an adjustment mechanism.

[0031] The bottom of the shell 4 is connected to the gas collecting pipe 3; the top of the gas collecting pipe 3 is open and connected to the shell 4; the end of the bridge pipe 2 facing downward is serrated and inserted into the shell 4, wherein the bridge pipe 2, the shell 4 and the gas collecting pipe 3 are all sealed and matched. Figure 1 The middle housing consists of two shells;

[0032] The inner barrel 41 is arranged in the outer shell 4 below the bridge pipe 2, and the inner diameter of the inner barrel 41 is larger than the outer diameter of the end of the bridge pipe 2; the top of the inner barrel 41 is open; the inner barrel 41 contains water sealing liquid, so that the bridge pipe 2 has a water sealing effect, and the entire inner barrel 41 is vigorously washed by high-pressure ammonia water during the coal loading process;

[0033] The regulating mechanism is used to control the lifting and lowering of the inner barrel 41 so that the end of the bridge pipe 2 is inserted into the water sealing liquid of the inner barrel 41, and the flow area of ​​the raw gas is adjusted by adjusting the sawtooth intersection area between the inner barrel 41 and the end of the bridge pipe 2.

[0034] The adjusting mechanism includes a first lifting mechanism 51, a connecting rod 52 and a connecting seat 53. A plurality of protrusions 411 are fixed on the top of the inner barrel 41. The plurality of protrusions 411 extend horizontally toward the outside of the inner barrel 41. A connecting rod 52 is vertically fixed to each of the protrusions 411. The plurality of connecting rods 52 surround the bridge pipe 2 and extend upward through the outer shell 4. The tops of the plurality of connecting rods 52 are fixed to the connecting seat 53, and the connecting seat 53 is arranged in a ring shape. The telescopic end of the first lifting mechanism 51 is fixed to the connecting seat 53, and the lifting and moving of the connecting seat 53 is controlled by the first lifting mechanism 51, so that the inner barrel 41 is lifted and moved.

[0035] The first lifting mechanism 51 is vertically fixed on the top of the outer shell 4, wherein the first lifting mechanism 51 can be a hydraulic cylinder or a screw lift; a lifting seat 54 is vertically provided on one side of the first lifting mechanism 51; an extension portion 541 is fixed on the top of the lifting seat 54; the extension portion 541 extends toward the first lifting mechanism 51 and is connected to the telescopic end of the first lifting mechanism 51; the bottom of the lifting seat 54 is fixed to the connecting seat 53, and by opening the first lifting mechanism 51, the telescopic end of the first lifting mechanism 51 moves upward, and the lifting seat 54, the connecting seat 53 and the connecting rod 52 move upward at the same time, so that the inner barrel 41 moves upward, so that the end of the bridge pipe 2 enters the inner barrel 41, and the flow area of ​​the raw gas is controlled by the up and down movement of the telescopic end of the first lifting mechanism 51.

[0036] Another preferred embodiment, as Figure 5 As shown, the bottom of the inner barrel 41 is truncated, and a support plate 42 is horizontally provided at the bottom of the inner barrel 41; both ends of the support plate 42 are fixed to the inside of the outer shell 4; a square cavity 43 is fixed on the support plate 42; the square cavity 43 is arranged at the bottom of the inner barrel 41, and when the telescopic end of the first lifting mechanism 51 descends, the inner barrel 41 descends and contacts the square cavity 43, and the inner barrel 41 deviates at a certain angle, so that the tar accumulated on the top of the inner barrel 41 slides into the gas collecting pipe 3 to avoid water seal failure.

[0037] In this embodiment, Figure 2 As shown, a plurality of guide sleeves 44 are fixed above the outer shell 4; a plurality of connecting rods 52 extend upward through the corresponding guide sleeves 44, wherein a sealing sleeve is provided around the connecting rod 52 in the guide sleeve 44 for sealing, and the connecting rod 52 is guided by the guide sleeve 44 to prevent the connecting rod 52 from deviating at an excessive angle.

[0038] In this embodiment, a scale 45 is vertically provided on the outer shell 4, and the scale 45 is on one side of the connecting seat 53, and scales are provided on both sides of the scale 45. The height of the top surface of the connecting seat 53 can be conveniently observed through the scale 45, so as to know the height of the inner barrel 41.

[0039] In this embodiment, Figure 6 As shown, a hinge seat 61 is fixed on the top of the bridge tube 2; a hinge rod 62 of the hinge seat 61 is hinged with a hinge part 63; the hinge part 63 extends above the riser tube 1, and the hinge part 63 is hinged with a riser tube cover 64, and the hinge part 63 is rotated around the hinge seat 61 by rotating the hinge rod 62, so as to control the opening and closing of the riser tube cover 64, one end of the hinge rod 62 passes through the hinge seat 61 and extends outward, and the end of the hinge rod 62 away from the hinge seat 61 is fixed with a connecting rod group 65 ; The connecting rod group 65 extends below the articulated rod 62, and a second lifting mechanism 66 is provided below the connecting rod group 65, wherein the second lifting mechanism 66 can be a hydraulic cylinder or a screw lift; the telescopic end of the second lifting mechanism 66 is hinged to the end of the connecting rod group 65 away from the articulated rod 62, and through the second lifting mechanism 66, one end of the connecting rod group 65 is lifted and lowered to rotate the articulated rod 62, thereby opening and closing the riser cover 64, wherein the connecting rod group 65 and the articulated rod 62 are commonly used mechanisms for converting linear motion into circular motion.

[0040] In this embodiment, Figure 2 As shown, an observation port 21 is provided on one side of the bridge pipe 2 that is bent; an observation door 211 is provided on the observation port 21. During the debugging process, the observation port 21 can be opened to observe the spraying of ammonia water; after operation, the observation port 21 can be opened to check the operating status of the inner barrel 41.

[0041] In this embodiment, Figure 6 As shown, a steam pipe 11 is connected to one side of the riser 1; the steam pipe 11 extends obliquely upward and is connected to the riser 1. Steam can be blown into the steam pipe 11 when the furnace is aired, which not only cleans the carbon deposits in the pipe but also plays a role in raising the flame when the furnace is aired, thereby preventing a large amount of raw gas from being blown away by the wind when the furnace is aired, and the flame also spreads with the blown raw gas.

Claims

1. A single carbonization chamber pressure regulating system, comprising a riser (1), a bridge pipe (2) and a gas collecting pipe (3), wherein one end of the bridge pipe (2) is connected to the side end of the riser (1), and the other end is bent downward; the gas collecting pipe (3) is arranged below the bridge pipe (2); It is characterized in that It also includes an outer shell (4), an inner barrel (41) and an adjustment mechanism. The bottom of the shell (4) is connected to the gas collecting pipe (3); the top of the gas collecting pipe (3) is open and communicates with the shell (4); the end of the bridge pipe (2) facing downward is serrated and inserted into the shell (4); The inner barrel (41) is arranged in the outer shell (4) below the bridge pipe (2), and the inner diameter of the inner barrel (41) is larger than the outer diameter of the end of the bridge pipe (2); the top of the inner barrel (41) is open; the inner barrel (41) contains water sealing liquid; The regulating mechanism is used to control the lifting and lowering of the inner barrel (41) so that the end of the bridge pipe (2) is inserted into the water sealing liquid of the inner barrel (41); The adjustment mechanism comprises a first lifting mechanism (51), a connecting rod (52) and a connecting seat (53); a plurality of protrusions (411) are fixed on the top of the inner barrel (41); the plurality of protrusions (411) extend horizontally toward the outside of the inner barrel (41); a connecting rod (52) is vertically fixed on each of the protrusions (411); the plurality of connecting rods (52) surround the bridge tube (2) and extend upward through the outer shell (4); the tops of the plurality of connecting rods (52) are fixed to the connecting seat (53), and the connecting seat (53) is arranged in a ring shape; the telescopic end of the first lifting mechanism (51) is fixed to the connecting seat (53); The first lifting mechanism (51) is vertically fixed on the top of the housing (4); a lifting seat (54) is vertically provided on one side of the first lifting mechanism (51); an extension portion (541) is fixed on the top of the lifting seat (54); the extension portion (541) extends toward the first lifting mechanism (51) and is connected to the telescopic end of the first lifting mechanism (51); and the bottom of the lifting seat (54) is fixed to the connecting seat (53).

2. A single carbonization chamber pressure regulating system according to claim 1, characterized in that: A plurality of guide sleeves (44) are fixed above the outer shell (4); and a plurality of connecting rods (52) pass through corresponding guide sleeves (44) and extend upward.

3. A single carbonization chamber pressure regulating system according to claim 1, characterized in that: A scale (45) is vertically arranged on the housing (4), the scale (45) is located on one side of the connecting seat (53), and scales are arranged on both sides of the scale (45).

4. A single carbonization chamber pressure regulating system according to claim 1, characterized in that: A hinge seat (61) is fixed on the top of the bridge tube (2); the hinge rod (62) of the hinge seat (61) is hinged with a hinge part (63); the hinge part (63) extends upwardly from the riser tube (1), and the hinge part (63) is hinged with a riser tube cover (64); one end of the hinge rod (62) passes through the hinge seat (61) and extends outwardly; a connecting rod group (65) is fixed to the end of the hinge rod (62) away from the hinge seat (61); the connecting rod group (65) extends downwardly from the hinge rod (62), and a second lifting mechanism (66) is provided below the connecting rod group (65); the telescopic end of the second lifting mechanism (66) is hinged with the end of the connecting rod group (65) away from the hinge rod (62).

5. A single carbonization chamber pressure regulating system according to claim 1 or 4, characterized in that: The first lifting mechanism (51) and the second lifting mechanism (66) are hydraulic cylinders or screw lifts.

6. A single carbonization chamber pressure regulating system according to claim 1, characterized in that: An observation port (21) is provided on one side of the bridge pipe (2) that is bent; an observation door (211) is installed on the observation port.

7. A single carbonization chamber pressure regulating system according to claim 1, characterized in that: A steam pipe (11) is connected to one side of the riser (1); the steam pipe (11) extends obliquely upward and is in communication with the riser (1).

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