Efficient treatment device for waste gas of coke oven gas

Abstract

An efficient waste gas treatment device for coke oven gas comprises a base, a mounting frame is arranged on the base, a water storage tank containing an ammonia water solution is arranged on the mounting frame, one side of the water storage tank is connected and communicated with a gas guide frame, one side of the gas guide frame is connected and communicated with a first gas outlet pipe, and the first gas outlet pipe is communicated with a second gas outlet pipe. A fan used for discharging coke oven gas is arranged in the first gas outlet pipe, a heat insulation frame is fixedly connected to the gas guide frame, and a heating pipe used for heating an ammonia water solution is arranged in the heat insulation frame. The ammonia water solution is heated through the heating pipe to promote the reaction of the ammonia water solution and the coal gas, so that the treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a waste gas high-efficiency treatment device, in particular to a waste gas high-efficiency treatment device for coke oven gas. Background Art

[0002] Coke oven gas refers to a combustible gas produced when coking coal is prepared from several types of bituminous coal and undergoes high-temperature carbonization in a coking oven. It is a by-product of the coking industry and can be recycled. However, coke oven gas usually contains odor, particulate dust and harmful waste gas, which requires purification when it is recycled.

[0003] The existing coke oven gas waste gas treatment device uses ammonia solution or activated carbon to adsorb particulate dust and harmful waste gas in the coke oven gas. However, under normal conditions, the reaction speed of ammonia solution is too slow to quickly adsorb the waste gas in the coke oven gas, resulting in slow waste gas treatment efficiency.

[0004] Therefore, it is urgent to provide a coke oven gas waste gas efficient treatment device to address the above problems. Utility Model Content

[0005] In order to overcome the disadvantage that when the existing coke oven gas waste gas treatment device uses ammonia solution to adsorb particulate dust and harmful waste gas, the ammonia solution is in a normal state, the reaction speed is too slow, and the waste gas in the coke oven gas cannot be quickly adsorbed, resulting in low waste gas treatment efficiency, the utility model provides a coke oven gas waste gas high-efficiency treatment device.

[0006] To solve the above-mentioned problem, the utility model adopts the following technical scheme: a high-efficiency waste gas treatment device for coke oven gas, comprising a base, a mounting frame is arranged on the base, a water tank filled with an ammonia solution is arranged on the mounting frame, one side of the water tank is connected and communicated with an air guide frame, one side of the air guide frame is connected and communicated with a first air outlet pipe, a fan for discharging coke oven gas is arranged in the first air outlet pipe, an insulation frame is fixedly connected to the air guide frame, and a heating pipe for heating the ammonia solution is arranged in the insulation frame.

[0007] Furthermore, a support frame is fixedly connected to one side of the water tank, and a motor is arranged on the support frame. A stirring rod is rotatably connected inside the water tank, and the stirring rod is connected to the output shaft of the motor through a coupling, so that the operation of the motor can drive the stirring rod to rotate and stir the ammonia solution, and a liquid guide hole is opened on the stirring rod.

[0008] Furthermore, a condenser is provided in the air guide frame through a mounting seat, and water vapor generated after heating the ammonia solution can be condensed into liquid through the condenser. A guide plate for guiding the liquid and a liquid collecting frame for containing the liquid are provided in the air guide frame. A first liquid guide tube is fixed in the air guide frame through a positioning frame, and the first liquid guide tube is connected and communicated with the liquid collecting frame. A water pump is provided on the first liquid guide tube, and a water outlet of the water pump is connected and communicated with a second liquid guide tube. The second liquid guide tube is rotatably connected to the stirring rod, so that the water pump can operate to draw the liquid in the liquid collecting frame into the stirring rod through the first liquid guide tube and the second liquid guide tube.

[0009] Furthermore, the guide plate is arranged inclined.

[0010] Furthermore, the liquid collecting frame is in a funnel shape.

[0011] Furthermore, the liquid collecting frame is located below the guide plate.

[0012] Furthermore, the first air outlet pipe is connected to and communicated with the second air outlet pipe, a support rod is provided on one side of the air guide frame, an adjustment frame is rotatably provided on the support rod, a filter box filled with activated carbon is fixedly connected to the adjustment frame, so that the filter box can filter the exhausted coal gas, a support ring is passed through the second air outlet pipe, a guide rod is slidably passed through the support ring, a limit sleeve for fixing the filter box is fixedly connected to the guide rod, and an elastic member for resetting the limit sleeve and the guide rod is sleeved on the guide rod.

[0013] Furthermore, the total number of the filter boxes is six.

[0014] Furthermore, a protective shell is provided on the motor.

[0015] Furthermore, the filter box is covered with a dust cover.

[0016] Compared with the prior art, the utility model has the following technical effects: 1. The ammonia solution is heated by the heating tube to promote the reaction between the ammonia solution and the coal gas, thereby improving the processing efficiency.

[0017] 2. The ammonia solution is stirred by driving the stirring rod through the motor, thereby increasing the activity of the ammonia solution, further promoting the reaction of the ammonia solution, and ensuring the treatment effect of the ammonia solution.

[0018] 3. Filter the gas through the activated carbon in the filter box to remove residual water vapor and ensure the gas treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the base, mounting frame and water storage tank of the utility model.

[0021] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0022] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the mounting frame, the supporting frame and the stirring rod of the utility model.

[0023] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the water storage tank, the air guide frame and the first air outlet pipe of the utility model.

[0024] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the air guide frame, condenser tube and guide plate of the utility model.

[0025] Figure 7 It is a schematic diagram of the three-dimensional cross-sectional structure of the air guide frame, the first air outlet pipe and the second air outlet pipe of the utility model.

[0026] Figure 8 It is a three-dimensional cross-sectional structural schematic diagram of the support rod, the adjustment frame and the filter box of the utility model.

[0027] In the accompanying drawings: 1_base, 2_mounting frame, 3_water storage tank, 4_air guide frame, 5_first air outlet pipe, 6_fan, 7_insulation frame, 8_heating tube, 9_support frame, 10_motor, 11_stirring rod, 12_mounting seat, 13_condenser, 14_guide plate, 15_liquid collecting frame, 16_positioning frame, 17_first liquid guide pipe, 18_water pump, 1801_second liquid guide pipe, 19_second air outlet pipe, 20_support rod, 21_adjusting frame, 22_filter box, 23_guide rod, 24_limiting sleeve, 25_support ring, 26_elastic member, 27_protective shell, 28_dust cover. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 3A highly efficient waste gas treatment device for coke oven gas comprises a base 1, a mounting frame 2 is provided on the top of the base 1 by bolt connection, a water storage tank 3 filled with an ammonia solution is provided on the mounting frame 2, an air guide frame 4 is connected and communicated with the left side of the water storage tank 3, a first air outlet pipe 5 is connected and communicated with the left side of the air guide frame 4, a fan 6 is provided in the first air outlet pipe 5, and the operation of the fan 6 can discharge the coke oven gas in the first air outlet pipe 5, an insulation frame 7 is fixedly connected to the bottom of the air guide frame 4 by welding, a heating pipe 8 is provided in the insulation frame 7, and the ammonia solution can be heated by starting the heating pipe 8.

[0030] During use, the coal gas enters the water storage tank 3, and the ammonia solution adsorbs and removes harmful waste gas in the coal gas. At this time, the heating tube 8 heats the ammonia solution to promote the reaction between the ammonia solution and the coal gas, thereby improving the processing efficiency. The coal gas after the waste gas is removed enters the air guide frame 4 and is discharged through the fan 6.

[0031] Based on Example 1, please refer to Figure 1 and Figure 4 A support frame 9 is fixedly connected to the right side of the water tank 3 by welding, a motor 10 is arranged on the support frame 9, a protective shell 27 is arranged on the motor 10, and the protective shell 27 is used to protect the motor 10. A stirring rod 11 is rotatably connected in the water tank 3, and the stirring rod 11 is connected to the output shaft of the motor 10 through a coupling, so that the operation of the motor 10 can drive the stirring rod 11 to rotate to stir the ammonia solution, and a liquid guide hole is opened at the left end of the stirring rod 11.

[0032] During the gas treatment, the motor 10 is started, and the motor 10 drives the stirring rod 11 to rotate to stir the ammonia solution, thereby increasing the activity of the ammonia solution and further promoting the reaction of the ammonia solution, thereby ensuring the treatment effect of the ammonia solution.

[0033] See also Figure 5 and Figure 6A condenser 13 is provided in the air guide frame 4 through a mounting seat 12, and the condenser 13 can condense water vapor generated by heating the ammonia solution into liquid. The front and rear side walls of the air guide frame 4 are fixedly connected with guide plates 14 for guiding the liquid by screw connection, and the guide plates 14 are arranged obliquely for guiding. A liquid collecting frame 15 located below the guide plates 14 is fixedly connected in the air guide frame 4 by welding, and the liquid collecting frame 15 is used to hold the liquid guided by the guide plates 14, and the liquid collecting frame 15 is funnel-shaped. shape, which is convenient for centralized drainage of liquid. A first liquid guide tube 17 is fixed to the right side of the air guide frame 4 through a positioning frame 16. The first liquid guide tube 17 is connected and communicated with the liquid collecting frame 15. A water pump 18 is arranged on the upper end of the first liquid guide tube 17. The water outlet of the water pump 18 is connected and communicated with a second liquid guide tube 1801. The second liquid guide tube 1801 is rotatably connected to the stirring rod 11, so that the water pump 18 operates to draw the liquid in the liquid collecting frame 15 into the stirring rod 11 through the first liquid guide tube 17 and the second liquid guide tube 1801.

[0034] The ammonia solution will generate water vapor after being heated, and the water vapor will enter the gas guide frame 4 together with the coal gas. At this time, the water vapor will be condensed into liquid through the condenser 13 to prevent the water vapor from being discharged and polluting the environment. The liquid will then be introduced into the liquid collecting frame 15 by the guide plate 14, and then the water pump 18 will be started to pump the liquid in the liquid collecting frame 15 into the stirring rod 11. The liquid will flow into the water storage tank 3 through the liquid guide hole for recycling, thereby maximizing the use of resources.

[0035] See also Figure 1 , Figure 7 and Figure 8 The first air outlet pipe 5 is connected and communicated with a second air outlet pipe 19, a support rod 20 is provided on the left side of the air guide frame 4 by screw connection, an adjustment frame 21 is rotatably provided on the support rod 20, six filter boxes 22 filled with activated carbon are fixedly connected to the adjustment frame 21 at equal intervals along the circumferential direction, and the filter boxes 22 can filter the exhausted coal gas, a support ring 25 is penetrated by the second air outlet pipe 19, and two guide rods 23 symmetrically distributed up and down are slidably penetrated by the support ring 25, and the two guide rods 23 are symmetrically distributed up and down. The guide rod 23 is fixedly connected with a limiting sleeve 24 for fixing the filter box 22 by welding. The guide rod 23 is provided with an elastic member 26 for resetting the limiting sleeve 24 and the guide rod 23. The two ends of the elastic member 26 are respectively connected to the guide rod 23 and the limiting sleeve 24. The filter box 22 is provided with a dust cover 28. When the remaining filter boxes 22 are not in use, the filter boxes 22 are covered by the dust cover 28 to prevent the activated carbon in the filter box 22 from absorbing moisture in the air.

[0036] When the coal gas is discharged into the second gas outlet pipe 19, the coal gas enters the filter box 22, and the activated carbon in the filter box 22 filters the coal gas, thereby removing residual water vapor and ensuring the coal gas treatment effect. When the filter box 22 needs to be replaced, the limiting sleeve 24 is pulled to the right, and the elastic member 26 is compressed accordingly, so that the limiting sleeve 24 releases the filter box 22, and then the adjusting frame 21 is rotated to replace the used filter box 22 with the new filter box 22, and then the limiting sleeve 24 is released. Under the reset elastic force of the elastic member 26, the limiting sleeve 24 clamps and fixes the filter box 22 to the left, thereby achieving quick replacement.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coke oven gas waste gas high efficiency treatment device, characterized in that: The invention comprises a base (1), a mounting frame (2) being arranged on the base (1), a water storage tank (3) containing an ammonia solution being arranged on the mounting frame (2), one side of the water storage tank (3) being connected to and communicated with an air guide frame (4), one side of the air guide frame (4) being connected to and communicated with a first air outlet pipe (5), a fan (6) for discharging coke oven gas being arranged in the first air outlet pipe (5), a heat insulation frame (7) being fixedly connected to the air guide frame (4), a heating pipe (8) for heating the ammonia solution being arranged in the heat insulation frame (7).

2. The high-efficiency waste gas treatment device of coke oven gas according to claim 1 is characterized in that: A support frame (9) is fixedly connected to one side of the water storage tank (3), a motor (10) is arranged on the support frame (9), a stirring rod (11) is rotatably connected inside the water storage tank (3), the stirring rod (11) is connected to the output shaft of the motor (10) through a coupling, so that the motor (10) can be operated to drive the stirring rod (11) to rotate and stir the ammonia solution, and a liquid guide hole is opened on the stirring rod (11).

3. The high-efficiency waste gas treatment device of coke oven gas according to claim 2 is characterized in that: A condenser (13) is arranged in the air guide frame (4) through a mounting seat (12), and water vapor generated by heating the ammonia solution can be condensed into liquid through the condenser (13). A guide plate (14) for guiding the liquid and a liquid collecting frame (15) for containing the liquid are arranged in the air guide frame (4). A first liquid guide pipe (17) is fixed in the air guide frame (4) through a positioning frame (16), and the first liquid guide pipe (17) is connected and communicated with the liquid collecting frame (15). A water pump (18) is arranged on the first liquid guide pipe (17), and a water outlet of the water pump (18) is connected and communicated with a second liquid guide pipe (1801), and the second liquid guide pipe (1801) is rotatably connected with the stirring rod (11), so that the water pump (18) operates to pump the liquid in the liquid collecting frame (15) into the stirring rod (11) through the first liquid guide pipe (17) and the second liquid guide pipe (1801).

4. The high-efficiency waste gas treatment device of coke oven gas according to claim 3 is characterized in that: The guide plate (14) is arranged in an inclined manner.

5. The high-efficiency waste gas treatment device of coke oven gas according to claim 3 is characterized in that: The liquid collecting frame (15) is in the shape of a funnel.

6. The high-efficiency waste gas treatment device of coke oven gas according to claim 3 is characterized in that: The liquid collecting frame (15) is located below the guide plate (14).

7. The high-efficiency waste gas treatment device of coke oven gas according to claim 3 is characterized in that: The first air outlet pipe (5) is connected to and communicated with a second air outlet pipe (19); a support rod (20) is provided on one side of the air guide frame (4); an adjustment frame (21) is rotatably provided on the support rod (20); a filter box (22) filled with activated carbon is fixedly connected to the adjustment frame (21) so that the filter box (22) can filter the exhausted coal gas; a support ring (25) is passed through the second air outlet pipe (19); a guide rod (23) is slidably passed through the support ring (25); a limit sleeve (24) for fixing the filter box (22) is fixedly connected to the guide rod (23); an elastic member (26) for resetting the limit sleeve (24) and the guide rod (23) is sleeved on the guide rod (23).

8. The high-efficiency waste gas treatment device of coke oven gas according to claim 7 is characterized in that: The total number of the filter boxes (22) is six.

9. The high-efficiency waste gas treatment device of coke oven gas according to claim 2 is characterized in that: A protective shell (27) is provided on the motor (10).

10. The high-efficiency waste gas treatment device of coke oven gas according to claim 7, characterized in that: The filter box (22) is sleeved with a dust cover (28).

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