CN215585896U - Industrial flue gas denitration system - Google Patents
Industrial flue gas denitration system Download PDFInfo
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- CN215585896U CN215585896U CN202122267262.2U CN202122267262U CN215585896U CN 215585896 U CN215585896 U CN 215585896U CN 202122267262 U CN202122267262 U CN 202122267262U CN 215585896 U CN215585896 U CN 215585896U
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Abstract
The utility model discloses an industrial flue gas denitration system, which comprises a flue gas conveying pipe, a dust removing cylinder and a denitration cylinder, wherein a bent pipe is fixedly installed at the end part of the flue gas conveying pipe, the bottom of the bent pipe is fixedly connected with the top of the dust removing cylinder, a communicating pipe is connected between the dust removing cylinder and the denitration cylinder, an ash removal motor is fixedly installed on the periphery of the flue gas conveying pipe, a sliding groove is formed in the inner wall of the flue gas conveying pipe, a double threaded rod is rotatably connected in the groove through a bearing seat, a disc gear is fixedly installed in the middle of the periphery of the double threaded rod, the double threaded rod is in threaded connection with two movable sliding blocks which are symmetrically arranged relative to the disc gear, an ash removal scraping ring is fixedly installed on the side wall of each movable sliding block, and a driving gear meshed with the disc gear is fixedly sleeved on the periphery of an output shaft of the ash removal motor. Can strike off the dust on the inner wall, do benefit to the flue gas circulation, the high-usage of water resource, the treatment quality of flue gas is high.
Description
Technical Field
The utility model relates to the technical field of industrial flue gas treatment, in particular to an industrial flue gas denitration system.
Background
Coal is a main energy source in China, and the pollution problem of sulfur dioxide and acid rain accompanying the coal is increasingly prominent. The flue gas using coal as fuel contains these substances, and especially in thermal power plants, denitration and desulfurization equipment is required to be built simultaneously when the thermal power plants are built.
Application number CN201821476744.0 discloses an industrial boiler flue gas denitration system, including montant and flue gas filter, be provided with flue gas filter between the montant, and be connected with the flue between the montant, the right side middle part of flue is connected with horizontal smoke inlet, the below of horizontal smoke inlet is provided with vertical smoke inlet, the bottom fixedly connected with communicating pipe of vertical smoke inlet, the bottom fixedly connected with flue gas access of communicating pipe, the below of flue is provided with the economizer, the below of economizer is provided with the waste pipe, the right side fixedly connected with waste material export of waste material pipe, after the flue gas gets into the flue, the flue gas passes through from the economizer, waste residue and dust etc. just get into the waste material pipe, and the flue gas can get into flue secondary purification from flue gas access, and the waste residue after the purification with the dust storage in the waste material pipe, can open the sealing door of waste material export after finishing using and take out the waste material, is beneficial to human health and air environment protection.
The industrial boiler flue gas denitration system of the technology has the following defects: dust and dust in the flue gas are easy to adhere to the pipeline, so that the flow of the flue gas is influenced, and the treatment efficiency of the flue gas is reduced.
Therefore, an industrial flue gas denitration system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an industrial flue gas denitration system which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an industrial flue gas denitration system comprises a flue gas conveying pipe, a dust removing cylinder and a denitration cylinder, wherein a bent pipe is fixedly installed at the end part of the flue gas conveying pipe, the bottom of the bent pipe is fixedly connected with the top of the dust removing cylinder, and a communicating pipe is connected between the dust removing cylinder and the denitration cylinder;
the device comprises a flue gas conveying pipe, a disc gear, a double-threaded rod, a dust removing scraping ring, a driving gear, a dust removing motor and a driving gear, wherein the dust removing motor is fixedly arranged on the periphery of the flue gas conveying pipe, a sliding chute is formed in the inner wall of the flue gas conveying pipe, the double-threaded rod is rotatably connected in the groove through a bearing seat, the disc gear is fixedly arranged in the middle of the periphery of the double-threaded rod, the double-threaded rod is in threaded connection with two movable sliding blocks which are symmetrically arranged relative to the disc gear, the side wall of each movable sliding block is fixedly provided with the dust removing scraping ring, and the periphery of an output shaft of the dust removing motor is fixedly sleeved with the driving gear meshed with the disc gear;
the end part of the communicating pipe is connected with a purifying pipe, and the bottom of the purifying pipe is fixedly provided with a filter disc;
the top of the denitration cylinder is provided with an exhaust port.
Furthermore, a round pipe is fixedly installed at the top of the dust removing cylinder, a bucket-shaped filter screen is fixedly installed at the top surface of the interior of the dust removing cylinder, a water dripping hole is formed at the bottom of the round pipe, a water pump is fixedly installed at the periphery of the dust removing cylinder, a water inlet of the water pump is connected with a water inlet pipe extending to the bottom of the dust removing cylinder, a water outlet of the water pump is connected with a water guide pipe, and the end part of the water guide pipe is connected with the round pipe; the water pump can carry the drainage in the dust removal section of thick bamboo to on the bucket shape filter screen constantly, improves the utilization ratio of water resource, and forms the bucket shape filter screen of cascade and can fully filter dust and dust in the flue gas.
Furthermore, an air outlet cylinder is fixedly arranged on the inner edge of the air outlet, and a conical disc is fixedly arranged on the top of the air outlet cylinder through a support; prevent dust from entering the denitration cylinder through the air outlet.
Further, an air supply cylinder is fixedly arranged on the communicating pipe, and an exhaust fan is arranged in the air supply cylinder; the exhaust fan can accelerate the flue gas to flow between flue gas conveying pipe, a dust removal section of thick bamboo and a denitration section of thick bamboo.
Further, the side wall of the movable sliding block is flush with the inner wall of the flue gas conveying pipe; so that the periphery of the ash cleaning scraping ring is attached to the inner wall of the flue gas conveying pipe.
Compared with the prior art, the utility model has the following beneficial effects: an output shaft of the ash removal motor drives a driving gear to rotate, the driving gear is in meshing transmission with the disc gear to drive a double-threaded rod to rotate, the double-threaded rod and the movable sliding block rotate relatively, the movable sliding block moves reversely to drive the ash removal scraping ring to be attached to the inner wall of the flue gas conveying pipe to move, dust on the inner wall is scraped, circulation of flue gas is facilitated, and the treatment efficiency of the flue gas is ensured; the water pump continuously conveys the filtered water in the dust removing cylinder to the bucket-shaped filter screen, the utilization rate of water resources is high, and the bucket-shaped filter screen forming the water curtain can fully filter dust and dust in the flue gas, so that the treatment quality of the flue gas is improved; the conical disc and the upright column can prevent dust from penetrating through the air outlet and entering the denitration cylinder.
Drawings
Fig. 1 is a schematic structural diagram of an industrial flue gas denitration system of the utility model.
FIG. 2 is a front view of a double-threaded rod of an industrial flue gas denitration system of the present invention.
FIG. 3 is a sectional view of a dedusting cylinder and a denitration cylinder of an industrial flue gas denitration system according to the present invention.
In the figure: 1. a flue gas conveying pipe; 2. bending the pipe; 3. a dust removal motor; 4. a drive gear; 5. a disc gear; 6. a double threaded rod; 7. moving the slide block; 8. ash removal scraping rings; 9. a dust removal cylinder; 10. a denitration cylinder; 11. a water pump; 12. a water conduit; 13. a circular tube; 14. a funnel-shaped filter screen; 15. a communicating pipe; 16. an air supply barrel; 17. an exhaust fan; 18. a purge tube; 19. a filter tray; 20. an air outlet cylinder; 21. a conical disk.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, an industrial flue gas denitration system includes a flue gas conveying pipe 1, and further includes a dust removing cylinder 9 and a denitration cylinder 10, an elbow pipe 2 is fixedly installed at an end portion of the flue gas conveying pipe 1, a bottom of the elbow pipe 2 is fixedly connected with a top portion of the dust removing cylinder 9, and a communicating pipe 15 is connected between the dust removing cylinder 9 and the denitration cylinder 10;
the dust cleaning device is characterized in that a dust cleaning motor 3 is fixedly installed on the periphery of the flue gas conveying pipe 1, a sliding groove is formed in the inner wall of the flue gas conveying pipe 1, a double-threaded rod 6 is rotatably connected in the groove through a bearing seat, a disc gear 5 is fixedly installed in the middle of the periphery of the double-threaded rod 6, the double-threaded rod 6 is in threaded connection with two movable sliding blocks 7 which are symmetrically arranged relative to the disc gear 5, a dust cleaning scraping ring 8 is fixedly installed on the side wall of each movable sliding block 7, and a driving gear 4 meshed with the disc gear 5 is fixedly sleeved on the periphery of an output shaft of the dust cleaning motor 3;
the end part of the communicating pipe 15 is connected with a purifying pipe 18, and the bottom of the purifying pipe 18 is fixedly provided with a filter disc 19;
the top of the denitration cylinder 10 is configured with an exhaust port.
A round pipe 13 is fixedly installed at the top of the dust removing cylinder 9, a bucket-shaped filter screen 14 is fixedly installed on the top surface of the interior of the dust removing cylinder 9, a water dripping hole is formed at the bottom of the round pipe 13, a water pump 11 is fixedly installed on the periphery of the dust removing cylinder 9, a water inlet of the water pump 11 is connected with a water inlet pipe extending to the bottom of the dust removing cylinder 9, a water outlet of the water pump 11 is connected with a water guide pipe 12, and the end part of the water guide pipe 12 is connected with the round pipe 13; the water pump 11 can continuously convey the filtered water in the dust removal cylinder 9 to the bucket-shaped filter screen 14, so that the utilization rate of water resources is improved, and the bucket-shaped filter screen 14 forming a water curtain can fully filter dust and dust in smoke.
Wherein, the inner edge of the air outlet is fixedly provided with an air outlet cylinder 20, and the top of the air outlet cylinder 20 is fixedly provided with a conical disc 21 through a support; prevent dust from entering the denitration cylinder 10 through the air outlet.
Wherein, an air supply barrel 16 is fixedly arranged on the communicating pipe 15, and an exhaust fan 17 is arranged in the air supply barrel 16; the exhaust fan 17 can accelerate the flow of the flue gas among the flue gas conveying pipe 1, the dedusting cylinder 9 and the denitration cylinder 10.
Wherein, the side wall of the movable sliding block 7 is flush with the inner wall of the flue gas conveying pipe 1; so that the periphery of the ash cleaning scraping ring 8 is attached to the inner wall of the flue gas conveying pipe 1.
It should be noted that, the utility model is an industrial flue gas denitration system, the exhaust fan 17 drives the flue gas to flow among the flue gas conveying pipe 1, the bent pipe 2, the dedusting cylinder 9, the communicating pipe 15 and the denitration cylinder 10, the output shaft of the deashing motor 3 drives the driving gear 4 to rotate, the driving gear 4 is in meshed transmission with the disc gear 5 to drive the double-threaded rod 6 to rotate, the double-threaded rod 6 and the moving slide block 7 rotate relatively, the moving slide block 7 moves horizontally in the chute to drive the deashing scraping ring 8 to scrape the inner wall of the flue gas conveying pipe 1 to scrape off the dust, the flue gas and the dust enter the dedusting cylinder 9 from the bent pipe 2, the water pump 11 conveys the filtered water to the bucket-shaped filter screen 14 through the water inlet pipe and forms a water curtain, the flue gas and the dust pass through the water curtain, the dust is settled in the water curtain, the filtered flue gas passes through the communicating pipe 15 and the purifying pipe 18 to enter the filter disc 19 to contact and react with the denitration liquid in the denitration cylinder 10, and then discharged from the outlet drum 20.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. An industrial flue gas denitration system comprises a flue gas conveying pipe (1), and is characterized by further comprising a dust removal cylinder (9) and a denitration cylinder (10), wherein an elbow pipe (2) is fixedly installed at the end part of the flue gas conveying pipe (1), the bottom of the elbow pipe (2) is fixedly connected with the top of the dust removal cylinder (9), and a communicating pipe (15) is connected between the dust removal cylinder (9) and the denitration cylinder (10);
the dust cleaning device is characterized in that a dust cleaning motor (3) is fixedly arranged on the periphery of the flue gas conveying pipe (1), a sliding groove is formed in the inner wall of the flue gas conveying pipe (1), a double-threaded rod (6) is rotatably connected into the groove through a bearing seat, a disc gear (5) is fixedly arranged in the middle of the periphery of the double-threaded rod (6), two movable sliding blocks (7) symmetrically arranged relative to the disc gear (5) are in threaded connection with the double-threaded rod (6), a dust cleaning scraping ring (8) is fixedly arranged on the side wall of each movable sliding block (7), and a driving gear (4) meshed with the disc gear (5) is fixedly sleeved on the periphery of an output shaft of the dust cleaning motor (3);
the end part of the communicating pipe (15) is connected with a purifying pipe (18), and the bottom of the purifying pipe (18) is fixedly provided with a filter disc (19);
the top of the denitration cylinder (10) is provided with an exhaust port.
2. The industrial flue gas denitration system of claim 1, wherein: the installation of dust removal section of thick bamboo (9) top is fixed with pipe (13), the inside top surface installation of dust removal section of thick bamboo (9) is fixed with bucket-shaped filter screen (14), the bottom structure of pipe (13) has the hole of dripping, the periphery installation of dust removal section of thick bamboo (9) is fixed with water pump (11), the water inlet of water pump (11) is connected with the inlet tube that extends to dust removal section of thick bamboo (9) bottom, the delivery port of water pump (11) is connected with aqueduct (12), the tip and the pipe (13) of aqueduct (12) are connected.
3. The industrial flue gas denitration system of claim 1, wherein: an air outlet cylinder (20) is fixedly arranged on the inner edge of the air outlet, and a conical disc (21) is fixedly arranged on the top of the air outlet cylinder (20) through a support column.
4. The industrial flue gas denitration system of claim 1, wherein: an air supply barrel (16) is fixedly arranged on the communicating pipe (15), and an exhaust fan (17) is arranged in the air supply barrel (16).
5. The industrial flue gas denitration system of claim 1, wherein: the side wall of the movable sliding block (7) is flush with the inner wall of the flue gas conveying pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267262.2U CN215585896U (en) | 2021-09-18 | 2021-09-18 | Industrial flue gas denitration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267262.2U CN215585896U (en) | 2021-09-18 | 2021-09-18 | Industrial flue gas denitration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215585896U true CN215585896U (en) | 2022-01-21 |
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ID=79886447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122267262.2U Active CN215585896U (en) | 2021-09-18 | 2021-09-18 | Industrial flue gas denitration system |
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| Country | Link |
|---|---|
| CN (1) | CN215585896U (en) |
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2021
- 2021-09-18 CN CN202122267262.2U patent/CN215585896U/en active Active
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