Industrial kiln flue gas denitration device

Abstract

The utility model discloses an industrial kiln flue gas denitration device, relates to denitration equipment technical field, including bottom plate and dehumidification subassembly, the right side of bottom plate upper surface is provided with denitration tank, and the inside of denitration tank is equipped with catalyst mesh cylinder, the dehumidification subassembly is arranged inside denitration tank, and the catalyst mesh cylinder is equipped with catalyst mesh cylinder. And the dehumidification assembly comprises a hydraulic push rod, a heating lamp, dehumidification fans, a servo motor, a linkage rotating shaft and a stirring impeller, the hydraulic push rod is arranged at the top of the denitration tank, the heating lamp is installed at the bottom of the hydraulic push rod, the dehumidification fans are installed on the two sides of the denitration tank, and the servo motor is installed on the lower surface of the catalyst net cylinder. According to the flue gas denitration device for the industrial furnace, the device can regularly perform dehumidification operation on a catalyst through the dehumidification assembly, keep the catalyst dry and maximize the catalytic action of the catalyst, the device can perform triple filtration on dust in flue gas through the dust removal assembly, and a dust net is easy to clean so as to maintain the filtering effect.

Description

Technical Field

[0001] The utility model relates to the technical field of denitration equipment, in particular to a device for denitration of industrial kiln flue gas. Background Art

[0002] Industrial kilns are equipment used for high-temperature heating, combustion, drying, calcining and other processes. They are widely used in the steel, building materials and other industries. Their main function is to heat treat the raw materials, heating, drying, sintering, melting and other processes at high temperatures to achieve the expected finished product quality and physical and chemical properties. A large amount of flue gas will be generated during the industrial kiln process. Denitrification is required before the flue gas is discharged to prevent excessive nitrogen oxide pollution caused by coal burning in the kiln. Therefore, an industrial kiln flue gas denitrification device is needed. However, the current industrial kiln flue gas denitrification device still has the following shortcomings:

[0003] For example, the patent document with application number 201922489509.8 discloses an industrial furnace flue gas denitrification device. The industrial furnace flue gas denitrification device crushes the catalyst particles into catalyst particles of the appropriate size through the extrusion of the rolling teeth and the tooth grooves and adds them to the reaction device, thereby ensuring the catalytic performance of the catalyst, avoiding the waste of the catalyst, and ensuring the efficiency of flue gas denitrification. However, after long-term use, the catalyst is prone to moisture, resulting in a decrease in the performance of the catalyst and affecting the final denitrification effect.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a device for denitrification of industrial kiln flue gas is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a device for denitrifying flue gas from an industrial kiln to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for denitrification of industrial kiln flue gas, comprising a base plate and a dehumidification component, a denitrification tank is arranged on the right side of the upper surface of the base plate, and a catalyst mesh cylinder is installed inside the denitrification tank, the dehumidification component is arranged inside the denitrification tank, and the dehumidification component comprises a hydraulic push rod, a heating lamp, a dehumidification fan, a servo motor, a linkage shaft and a stirring impeller, the hydraulic push rod is arranged on the top of the denitrification tank, and a heating lamp is installed at the bottom of the hydraulic push rod, dehumidification fans are installed on both sides of the denitrification tank, a servo motor is installed on the lower surface of the catalyst mesh cylinder, and the output end of the servo motor is connected to the linkage shaft through a coupling, and a stirring impeller is installed on the outer surface of the linkage shaft.

[0007] Furthermore, a cooling tank is installed on the left side of the upper surface of the bottom plate, and a smoke extraction pipe is arranged inside the cooling tank.

[0008] Furthermore, the input end of the smoke extraction pipe passes through the lower end of the left surface of the cooling tank and extends to the left side of the cooling tank, and the output end of the smoke extraction pipe is installed with a first exhaust fan.

[0009] Furthermore, a dust removal tank is installed at the output end of the first exhaust fan, and a dust removal component is arranged inside the dust removal tank.

[0010] Furthermore, the dust removal assembly includes a primary dust removal net, a high-efficiency dust removal net and a precision dust removal net, and the primary dust removal net is slidably connected to the left side of the front surface of the dust removal tank, the front surface of the dust removal tank is slidably connected to the high-efficiency dust removal net, and the front surface of the dust removal tank is slidably connected to the precision dust removal net.

[0011] Furthermore, the dust removal assembly also includes a vibration motor, an ash hopper and an ash collecting box, and a vibration motor is installed on the top of the dust removal tank, an ash hopper is arranged on the lower side of the dust removal tank, and an ash collecting box is arranged below the dust removal tank.

[0012] Furthermore, a smoke conveying pipe is connected to the upper end of the right surface of the dust removal tank, and an output end of the smoke conveying pipe is connected to the upper end of the left surface of the denitrification tank.

[0013] Furthermore, a smoke outlet pipe is connected to the lower surface of the denitrification tank, and a high-pressure fan is installed at the output end of the smoke outlet pipe, and the output end of the high-pressure fan is connected to a smoke exhaust pipe.

[0014] The utility model provides a device for denitrification of industrial kiln flue gas, which has the following beneficial effects:

[0015] 1. The utility model is provided with a dehumidification component, which includes a hydraulic push rod, a heating lamp, a dehumidification fan, a servo motor, a linkage shaft and a stirring impeller. When in use, the hydraulic push rod is started, so that the hydraulic push rod drives the heating lamp to move downward to above the catalyst mesh tube, the heating lamp is turned on to heat the air below, and the dehumidification fan is started at the same time, so that the hot air can flow fully through the dehumidification fan, and the servo motor is started at the same time, so that the servo motor drives the linkage shaft to rotate, and further drives the stirring impeller to stir the catalyst particles, so that the hot air can fully contact the catalyst particles, so that the device can regularly dehumidify the catalyst, keep the catalyst dry, and maximize the catalytic effect of the catalyst.

[0016] 2. The utility model sets a dust removal component, which includes a primary dust removal net, a high-efficiency dust removal net and a precision dust removal net. The dust removal component also includes a vibration motor, an ash hopper and an ash collection box. When in use, after the flue gas after cooling enters the dust removal tank, the dust agglomerated in the flue gas is first intercepted and filtered by the primary dust removal net. The high-efficiency dust removal net can further intercept and filter large particles of dust. When the flue gas passes through the precision dust removal net, the fine dust therein will be intercepted and filtered by the precision dust removal net. The filtered flue gas enters the denitrification tank through the smoke conveying pipe, and the vibration motor is started to make the dust on the surface of the dust removal net fall through the ash hopper and be collected by the ash collection box. The dust removal net can also be pulled out of the dust removal tank and cleaned, so that the device can perform triple filtration on the dust in the flue gas, and the dust net is easy to clean to maintain its filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front view structure of a device for denitrification of industrial furnace flue gas according to the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a dehumidification component of an industrial furnace flue gas denitrification device of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of the dust removal component of the device for denitrification of industrial kiln flue gas.

[0020] In the figure: 1. bottom plate; 2. denitrification tank; 3. catalyst mesh cylinder; 4. dehumidification component; 401. hydraulic push rod; 402. heating lamp; 403. dehumidification fan; 404. servo motor; 405. linkage shaft; 406. stirring impeller; 5. cooling tank; 6. exhaust pipe; 7. first exhaust fan; 8. dust removal tank; 9. dust removal component; 901. primary dust removal net; 902. high-efficiency dust removal net; 903. dense dust removal net; 904. vibration motor; 905. ash hopper; 906. ash collection box; 10. smoke conveying pipe; 11. smoke outlet pipe; 12. high-pressure fan; 13. exhaust pipe. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figures 1 to 3As shown, a device for denitrification of industrial kiln flue gas includes a base plate 1 and a dehumidification component 4, a denitrification tank 2 is arranged on the right side of the upper surface of the base plate 1, and a catalyst mesh tube 3 is installed inside the denitrification tank 2, the dehumidification component 4 is arranged inside the denitrification tank 2, and the dehumidification component 4 includes a hydraulic push rod 401, a heating lamp 402, a dehumidification fan 403, a servo motor 404, a linkage shaft 405 and a stirring impeller 406, the hydraulic push rod 401 is arranged on the top of the denitrification tank 2, and a heating lamp 402 is installed at the bottom of the hydraulic push rod 401, dehumidification fans 403 are installed on both sides of the denitrification tank 2, a servo motor 404 is installed on the lower surface of the catalyst mesh tube 3, and the output end of the servo motor 404 is connected to the linkage shaft 405 through a coupling, and the outer surface of the linkage shaft 405 is installed with a stirring impeller 406.

[0023] The specific operation is as follows. When in use, start the hydraulic push rod 401, so that the hydraulic push rod 401 drives the heating lamp 402 to move downward to above the catalyst mesh tube 3, turn on the heating lamp 402 to heat the air below, and start the dehumidification fan 403 at the same time. The hot air is fully circulated through the dehumidification fan 403, and the servo motor 404 is started at the same time. The servo motor 404 drives the linkage shaft 405 to rotate, and further drives the stirring impeller 406 to stir the catalyst particles, so that the hot air is fully in contact with the catalyst particles.

[0024] Please refer to Figure 1 and Figure 3 , a dust removal tank 8 is installed at the output end of the first exhaust fan 7, and a dust removal component 9 is arranged inside the dust removal tank 8, the dust removal component 9 includes a primary dust removal net 901, a high-efficiency dust removal net 902 and a precision dust removal net 903, and the primary dust removal net 901 is slidably connected to the left side of the front surface of the dust removal tank 8, the high-efficiency dust removal net 902 is slidably connected to the front surface of the dust removal tank 8, and the precision dust removal net 903 is slidably connected to the right side of the front surface of the dust removal tank 8, the dust removal component 9 also includes a vibration motor 904, an ash hopper 905 and an ash collecting box 906, and a vibration motor 904 is installed on the top of the dust removal tank 8, an ash hopper 905 is arranged on the lower side of the dust removal tank 8, and an ash collecting box 906 is arranged below the dust removal tank 8;

[0025] The specific operation is as follows. When in use, after the cooled flue gas enters the dust removal tank 8, the dust agglomerated in the flue gas is first intercepted and filtered by the primary dust removal net 901. The high-efficiency dust removal net 902 can further intercept and filter large particles of dust. When the flue gas passes through the precision dust removal net 903, the fine dust therein will be intercepted and filtered by the precision dust removal net 903. The filtered flue gas enters the denitrification tank 2 through the smoke conveying pipe 10, and the vibration motor 904 is started to make the dust on the surface of the dust removal net fall through the ash hopper 905 and be collected by the ash collecting box 906. The dust removal net can also be pulled out of the dust removal tank 8 for cleaning.

[0026] Please refer to Figure 1A cooling tank 5 is installed on the left side of the upper surface of the bottom plate 1, and a smoke extraction pipe 6 is arranged inside the cooling tank 5. The input end of the smoke extraction pipe 6 passes through the lower end of the left surface of the cooling tank 5 and extends to the left side of the cooling tank 5, and a first exhaust fan 7 is installed at the output end of the smoke extraction pipe 6. A smoke delivery pipe 10 is connected to the upper end of the right surface of the dust removal tank 8, and the output end of the smoke delivery pipe 10 is connected to the upper end of the left surface of the denitration tank 2. A smoke outlet pipe 11 is connected to the lower surface of the denitration tank 2, and a high-pressure fan 12 is installed at the output end of the smoke outlet pipe 11, and a smoke exhaust pipe 13 is connected to the output end of the high-pressure fan 12;

[0027] The specific operation is as follows. When in use, cold water is filled inside the cooling tank 5. The first exhaust fan 7 is started so that the first exhaust fan 7 draws the flue gas in through the exhaust pipe 6. When the flue gas passes through the cooling tank 5 through the exhaust pipe 6, it can be cooled. The high-pressure fan 12 is started so that the high-pressure fan 12 draws the flue gas from the dust removal tank 8 through the smoke conveying pipe 10 and conveys it to the denitrification tank 2. After denitrification is completed, the flue gas passes through the smoke outlet pipe 11 and is discharged through the smoke outlet pipe 11.

[0028] In summary, if Figures 1 to 3 As shown, the device for denitrifying the flue gas of an industrial kiln, when in use, first, cold water is filled into the cooling tank 5, the first exhaust fan 7 is started, and the first exhaust fan 7 draws the flue gas in through the exhaust pipe 6. When the flue gas passes through the cooling tank 5 through the exhaust pipe 6, it can be cooled, and the high-pressure fan 12 is started. After the cooled flue gas enters the dust removal tank 8, the dust agglomerated in the flue gas is first intercepted and filtered through the primary dust removal net 901, and the high-efficiency dust removal net 902 can further intercept and filter large particles of dust. When the flue gas passes through the precision dust removal net 903, the fine dust therein will be intercepted and filtered by the precision dust removal net 903, and the filtered flue gas enters the denitrifying tank 2 through the smoke conveying pipe 10. Subsequently, when the flue gas passes through the catalyst mesh tube 3, it reacts with the catalyst for denitrification. After denitrification is completed, the flue gas passes through the smoke outlet pipe 11 and then passes through The smoke is discharged through the smoke outlet pipe 11. After the destocking operation is completed, the hydraulic push rod 401 is started, so that the hydraulic push rod 401 drives the heating lamp 402 to move downward to the top of the catalyst mesh tube 3, and the heating lamp 402 is turned on to heat the air below. At the same time, the dehumidification fan 403 is started, and the hot air is fully circulated through the dehumidification fan 403. At the same time, the servo motor 404 is started, so that the servo motor 404 drives the linked shaft 405 to rotate, and further drives the stirring impeller 406 to stir the catalyst particles, so that the hot air is fully in contact with the catalyst particles, thereby dehumidifying the catalyst and keeping it dry. Subsequently, the vibration motor 904 is started, so that the dust on the surface of the dust removal net falls through the ash hopper 905 and is collected by the ash collecting box 906. The dust removal net can also be pulled out of the dust removal tank 8 for cleaning.

[0029] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A device for denitrification of industrial furnace flue gas, comprising a bottom plate (1) and a dehumidification component (4), characterized in that: A denitration tank (2) is arranged on the right side of the upper surface of the bottom plate (1), and a catalyst net cylinder (3) is installed inside the denitration tank (2). The dehumidification component (4) is arranged inside the denitration tank (2), and the dehumidification component (4) comprises a hydraulic push rod (401), a heating lamp (402), a dehumidification fan (403), a servo motor (404), a linkage shaft (405) and a stirring impeller (406). The hydraulic push rod (401) is arranged on the top of the denitration tank (2), and a heating lamp (402) is installed at the bottom of the hydraulic push rod (401). Dehumidification fans (403) are installed on both sides of the denitration tank (2). A servo motor (404) is installed on the lower surface of the catalyst net cylinder (3), and the output end of the servo motor (404) is connected to the linkage shaft (405) through a coupling, and the outer surface of the linkage shaft (405) is installed with a stirring impeller (406).

2. The device for denitrification of industrial furnace flue gas according to claim 1, characterized in that: A cooling tank (5) is installed on the left side of the upper surface of the bottom plate (1), and a smoke extraction pipe (6) is arranged inside the cooling tank (5).

3. The device for denitrification of industrial furnace flue gas according to claim 2, characterized in that: The input end of the smoke extraction pipe (6) passes through the lower end of the left surface of the cooling tank (5) and extends to the left side of the cooling tank (5), and a first exhaust fan (7) is installed at the output end of the smoke extraction pipe (6).

4. The device for denitrification of industrial furnace flue gas according to claim 3, characterized in that: The output end of the first exhaust fan (7) is provided with a dust removal tank (8), and a dust removal component (9) is provided inside the dust removal tank (8).

5. The device for denitrification of industrial furnace flue gas according to claim 4, characterized in that: The dust removal assembly (9) comprises a primary dust removal net (901), a high-efficiency dust removal net (902) and a precision dust removal net (903), wherein the primary dust removal net (901) is slidably connected to the left side of the front surface of the dust removal tank (8), the high-efficiency dust removal net (902) is slidably connected to the front surface of the dust removal tank (8), and the precision dust removal net (903) is slidably connected to the right side of the front surface of the dust removal tank (8).

6. The device for denitrification of industrial furnace flue gas according to claim 5, characterized in that: The dust removal assembly (9) further comprises a vibration motor (904), an ash hopper (905) and an ash collection box (906), and the vibration motor (904) is installed on the top of the dust removal tank (8), the ash hopper (905) is arranged on the lower side of the dust removal tank (8), and the ash collection box (906) is arranged below the dust removal tank (8).

7. The device for denitrification of industrial furnace flue gas according to claim 6, characterized in that: The upper end of the right surface of the dust removal tank (8) is connected to a smoke conveying pipe (10), and the output end of the smoke conveying pipe (10) is connected to the upper end of the left surface of the denitrification tank (2).

8. The device for denitrification of industrial furnace flue gas according to claim 1, characterized in that: The lower surface of the denitration tank (2) is connected to a smoke outlet pipe (11), and a high-pressure fan (12) is installed at the output end of the smoke outlet pipe (11), and the output end of the high-pressure fan (12) is connected to a smoke exhaust pipe (13).

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