Automatic heating equipment for improving coal gas desulfurization efficiency

Abstract

The utility model discloses automatic heating equipment for improving coal gas desulfurization efficiency, which comprises a heat preservation shell, one end of the heat preservation shell is fixedly connected with a first gas inlet pipe, the other end of the heat preservation shell is fixedly connected with a first gas outlet pipe, one end of one side of the heat preservation shell is inserted with a front connecting pipe, and the other end of one side of the heat preservation shell is inserted with a rear connecting pipe. And a heating assembly is arranged between the rear connecting pipe and the front connecting pipe. Coal gas in the coke oven is input into the heat preservation shell from the first gas inlet pipe, and meanwhile high-temperature gas is input into the vertical connecting shell from the second gas inlet pipe and returns to the coke oven through the front connecting pipe, the front temperature guide pipe, the annular temperature guide pipe, the spiral temperature guide pipe, the rear connecting pipe, the transverse connecting shell and the second gas outlet pipe. Therefore, the high-temperature gas exchanges heat with the coal gas through the flowing of the high-temperature gas, and the coal gas is further heated, so that the mixing of the high-temperature gas and the coal gas is avoided, and the influence on the subsequent desulfurization effect is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal gas desulfurization temperature rising technical field especially relates to a kind of automatic temperature rising equipment of improving coal gas desulfurization efficiency. BACKGROUND

[0002] Coke oven, a kind of furnace usually by refractory brick and refractory block is built, for making coal to produce coke, and coke production process will produce coal gas, need desulfurization tower to carry out dry desulfurization to coal gas, and the temperature of coal gas into desulfurization tower is often insufficient, will affect the desulfurization efficiency of coal gas.

[0003] Through retrieval, the Chinese patent with the publication number CN220270105U discloses a tunnel kiln flue gas treatment environmental protection equipment dry desulfurization flue gas temperature rising device, the above-mentioned patent realizes the function of flue gas temperature rising with the structure scheme that kiln high-temperature pipeline is connected with flue gas flow pipeline, but part of flue gas is discharged after not being desulfurized due to the fact that flue gas is easy to mix with high-temperature gas, which affects the desulfurization effect of flue gas, therefore, in order to industry technology progress, better realize the function of coal gas temperature rising, improve core technology competitiveness, the present application proposes a new implementation scheme different from the coal gas temperature rising structure and application mode in prior art. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the problem that existing temperature rising equipment is affected by flue gas mixing with high-temperature gas in use, part of flue gas is discharged after not being desulfurized, and the desulfurization effect of flue gas is affected, and proposes a kind of automatic temperature rising equipment of improving coal gas desulfurization efficiency.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An automatic temperature rising equipment of improving coal gas desulfurization efficiency, including heat preservation shell, the one end of heat preservation shell is fixedly connected with first air inlet pipe, the other end of heat preservation shell is fixedly connected with first air outlet pipe, the one end of heat preservation shell one side is inserted with front connecting pipe, the other end of heat preservation shell one side is inserted with rear connecting pipe, and the rear connecting pipe is equipped with temperature rising assembly between front connecting pipe, the temperature rising assembly includes annular temperature guide pipe, the inner side of annular temperature guide pipe is inserted with spiral temperature guide pipe, the other end of spiral temperature guide pipe is inserted with the one end of rear connecting pipe, the one end of front connecting pipe is inserted with front temperature guide pipe, the other end of front temperature guide pipe is inserted with annular temperature guide pipe, the other end of rear connecting pipe is fixedly connected with horizontal connection shell, the other end of horizontal connection shell is fixedly connected with second air outlet pipe, the other end of front connecting pipe is fixedly connected with vertical connection shell, and the other end of vertical connection shell is fixedly connected with second air inlet pipe.

[0007] Further, the circumferential inner wall of horizontal connection shell is fixedly connected with support frame, and the side of support frame is fixedly connected with suction fan.

[0008] Further, the vertical connecting shell is fixedly connected with a filter screen between the two side inner walls.

[0009] Further, a sealing straight plate is clamped on one side of the vertical connecting shell.

[0010] Further, a sealing ring is bonded to the circumferential outer wall of the annular temperature guide pipe.

[0011] Further, a sealing arc plate is clamped on one side of the heat preservation shell.

[0012] Further, a sealing arc pad is bonded to one side of the sealing arc plate.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. The coal gas in the coke oven is input into the heat preservation shell through the first gas inlet pipe, at the same time, the high-temperature gas is input into the vertical connecting shell through the second gas inlet pipe, and then flows back into the coke oven through the front connecting pipe, the front temperature guide pipe, the annular temperature guide pipe, the spiral temperature guide pipe, the rear connecting pipe, the horizontal connecting shell and the second gas outlet pipe, so that the heat exchange between the high-temperature gas and the coal gas is realized, and the coal gas is heated, and the mixing of the high-temperature gas and the coal gas is avoided to prevent the desulfurization effect from being affected.

[0015] 2. The filter screen arranged in the vertical connecting shell can filter the impurities in the high-temperature gas, so that the pipeline for conveying the high-temperature gas is prevented from being blocked by the impurities. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A three-dimensional structure schematic view of an automatic heating equipment for improving the desulfurization efficiency of coal gas is provided in the present application.

[0017] Fig. 2 A partial cross-sectional top view structure schematic view of an automatic heating equipment for improving the desulfurization efficiency of coal gas is provided in the present application.

[0018] Fig. 3 A local connection state cross-sectional structure schematic view of an automatic heating equipment for improving the desulfurization efficiency of coal gas is provided in the present application.

[0019] In the drawings: 1, heat preservation shell; 2, first gas inlet pipe; 3, first gas outlet pipe; 4, front connecting pipe; 5, rear connecting pipe; 6, heating assembly; 601, annular temperature guide pipe; 602, spiral temperature guide pipe; 603, front temperature guide pipe; 7, horizontal connecting shell; 8, second gas outlet pipe; 9, vertical connecting shell; 10, second gas inlet pipe; 11, support frame; 12, air suction fan; 13, filter screen; 14, sealing straight plate; 15, sealing ring; 16, sealing arc plate; 17, sealing arc pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] With reference to Figs. 1-3 An automatic heating equipment for improving the desulfurization efficiency of coal gas comprises a heat preservation shell 1, the heat preservation shell 1 is a cylindrical long tube structure, the residence time of flue gas is increased, a temperature sensor is fixed on the inner wall of one side of the heat preservation shell 1 through bolts, the model of the temperature sensor is PT100, so that the temperature of the coal gas in the heat preservation shell 1 is detected;

[0022] One end of the heat preservation shell 1 is connected with a first air inlet pipe 2 through a flange, so that the coal gas is input into the heat preservation shell 1 from the first air inlet pipe 2, the other end of the heat preservation shell 1 is connected with a first air outlet pipe 3 through a flange, and the heated coal gas is discharged from the first air outlet pipe 3 into a desulfurization tower for desulfurization treatment;

[0023] One end of one side of the heat preservation shell 1 is inserted with a front connecting pipe 4, the other end of one side of the heat preservation shell 1 is inserted with a rear connecting pipe 5, a heating assembly 6 is arranged between the rear connecting pipe 5 and the front connecting pipe 4, the heating assembly 6 comprises an annular temperature guide pipe 601, the inner side of the annular temperature guide pipe 601 is inserted with a spiral temperature guide pipe 602, the spiral size of the spiral temperature guide pipe 602 decreases from left to right in sequence, so that the coal gas is heated and warmed more uniformly, the other end of the spiral temperature guide pipe 602 is inserted with one end of the rear connecting pipe 5, one end of the front connecting pipe 4 is inserted with a front temperature guide pipe 603, the other end of the front temperature guide pipe 603 is inserted with the annular temperature guide pipe 601, the other end of the rear connecting pipe 5 is connected with a horizontal connecting shell 7 through a flange, the other end of the horizontal connecting shell 7 is connected with a second air outlet pipe 8 through a flange, the other end of the front connecting pipe 4 is connected with a vertical connecting shell 9 through a flange, the outer wall of one side of the vertical connecting shell 9 is fixed with a display screen through bolts, the temperature sensor is electrically connected with the display screen, and the temperature detected by the temperature sensor is displayed on the display screen;

[0024] The other end of the vertical connecting shell 9 is connected with a second air inlet pipe 10 through a flange, the second air inlet pipe 10 is provided with a valve, so that the flow of the second air inlet pipe 10 is controlled, the high-temperature gas is input into the vertical connecting shell 9 from the second air inlet pipe 10, the impurities in the high-temperature gas are filtered out through a filter screen 13 and then input into the front connecting pipe 4, then the high-temperature gas returns to the coking furnace through the front temperature guide pipe 603, the annular temperature guide pipe 601, the spiral temperature guide pipe 602, the rear connecting pipe 5, the horizontal connecting shell 7 and the second air outlet pipe 8, so that the high-temperature gas flows and exchanges heat with the coal gas, and then the coal gas is heated.

[0025] The support frame 11 is fixed between the circumferential inner walls of the horizontal connecting shell 7 by bolts, one side of the support frame 11 is fixed with the air suction fan 12 by bolts, so as to provide power for the gas conveying, the filter screen 13 is fixed between the two inner walls of the vertical connecting shell 9 by bolts, so as to filter out the impurities in the high-temperature gas, the filter screen 13 is in a wave shape structure, the sealing straight plate 14 is clamped on one side of the vertical connecting shell 9, the sealing straight plate 14 is opened, so as to replace the filter screen 13, the sealing ring 15 is adhered to the circumferential outer wall of the annular temperature guide pipe 601, so as to avoid the gas leakage, the sealing arc plate 16 is clamped on one side of the heat preservation shell 1, so as to facilitate the maintenance of the temperature raising assembly 6, and the sealing arc pad 17 is adhered to one side of the sealing arc plate 16.

[0026] The working principle of the embodiment is as follows: in use, the second air inlet pipe 10 and the second air outlet pipe 8 are connected with the coke oven, then the first air inlet pipe 2 is connected with the flue gas outlet pipe of the coke oven, and the first air outlet pipe 3 is connected with the desulfurization tower, first, the gas in the coke oven is input into the heat preservation shell 1 from the first air inlet pipe 2, at this time, the temperature detected by the temperature sensor is displayed on the display screen, and when the temperature is in the appropriate range, the flue gas enters the desulfurization tower;

[0027] If the temperature is too low, the valve and the switch of the air suction fan 12 are opened, the high-temperature gas in the coke oven is input into the vertical connecting shell 9 from the second air inlet pipe 10 under the action of the air suction fan 12, the impurities in the high-temperature gas are filtered out by the filter screen 13 and then input into the front connecting pipe 4, then the high-temperature gas returns to the coke oven through the front temperature guide pipe 603, the annular temperature guide pipe 601, the spiral temperature guide pipe 602, the rear connecting pipe 5, the horizontal connecting shell 7 and the second air outlet pipe 8, the heat preservation shell 1 is preheated, then the flue gas is input, so that the heat exchange between the high-temperature gas and the gas is realized, the long pipe type structure makes the path of the gas sufficient and the heat exchange time sufficient, and then the gas is heated, and the heated gas is discharged from the first air outlet pipe 3 to the desulfurization tower for desulfurization treatment.

[0028] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An automatic temperature raising device for improving desulfurization efficiency of coal gas, comprising a heat preservation shell (1), characterized in that, One end of the heat preservation shell (1) is fixedly connected with a first air inlet pipe (2), the other end of the heat preservation shell (1) is fixedly connected with a first air outlet pipe (3), one end of one side of the heat preservation shell (1) is inserted with a front connecting pipe (4), the other end of one side of the heat preservation shell (1) is inserted with a rear connecting pipe (5), a temperature rising assembly (6) is arranged between the rear connecting pipe (5) and the front connecting pipe (4), the temperature rising assembly (6) comprises an annular temperature guide pipe (601), the inner side of the annular temperature guide pipe (601) is inserted with a spiral temperature guide pipe (602), the other end of the spiral temperature guide pipe (602) is inserted with one end of the rear connecting pipe (5), one end of the front connecting pipe (4) is inserted with a front temperature guide pipe (603), the other end of the front temperature guide pipe (603) is inserted with the annular temperature guide pipe (601), the other end of the rear connecting pipe (5) is fixedly connected with a transverse connecting shell (7), the other end of the transverse connecting shell (7) is fixedly connected with a second air outlet pipe (8), the other end of the front connecting pipe (4) is fixedly connected with a vertical connecting shell (9), the other end of the vertical connecting shell (9) is fixedly connected with a second air inlet pipe (10).

2. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 1, characterized in that, The circumferential inner wall of the transverse connecting shell (7) is fixedly connected with a support frame (11), one side of the support frame (11) is fixedly connected with a suction fan (12).

3. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 1, characterized in that, The two side inner walls of the vertical connecting shell (9) are fixedly connected with a filter screen (13), the filter screen (13) is in a wave shape structure.

4. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 1, characterized in that, One side of the vertical connecting shell (9) is clamped with a sealing straight plate (14).

5. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 1, characterized in that, The circumferential outer wall of the annular temperature guide pipe (601) is bonded with a sealing ring (15).

6. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 1, characterized in that, One side of the heat preservation shell (1) is clamped with a sealing arc plate (16).

7. The automatic temperature rising device for improving the desulfurization efficiency of coal gas according to claim 6, characterized in that, One side of the sealing arc plate (16) is bonded with a sealing arc pad (17).

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