Industrial waste gas dedusting, desulfurizing and denitrating device

Abstract

The utility model discloses an industrial waste gas dust removal desulfurization and denitrification device belongs to industrial waste gas treatment field. A kind of industrial waste gas dust removal desulfurization and denitrification device, including the denitrification frame, the lower end of the denitrification frame is provided with dust hopper, the lower end inside the denitrification frame is provided with dust cover, the lower end inside the dust hopper is provided with storage tank. The utility model solves the problem that a part of dust will directly fall and accumulate in the lower end of the denitrification position when the existing industrial waste gas is handled, the neatness of the inside of equipment is affected, the dust that is shielded by dust cover and the dust that falls by its own weight can be collected in the inside of dust hopper, the hydraulic rod is started regularly and the horizontal position of filling block is adjusted, so that the dust on the outside of filling block is stored in the outside of storage tank, and finally the rotation of dial piece can push the dust stored in the inside of storage tank, so that the dust can be discharged from dust discharge groove position regularly.

Description

Technical Field

[0001] This utility model relates to the field of industrial waste gas treatment, specifically an industrial waste gas dust removal, desulfurization, and denitrification device. Background Technology

[0002] Industrial waste gas dust removal, desulfurization, and denitrification equipment is an environmental protection device mainly used to reduce the emission of sulfur oxides, nitrogen oxides, and particulate matter in industrial waste gas. It achieves waste gas purification through specific chemical reactions. This device is widely used in various industrial environments such as coal-fired power plants, steel, chemical, and cement plants, and is of great significance for protecting the environment and human health.

[0003] In existing technologies, industrial waste gas is treated by sequentially performing denitrification, dust removal, and desulfurization. However, during denitrification before dust removal, unfiltered dust remains inside the gas. As the high-temperature gas flows into the denitrification area, some of the dust falls directly and accumulates at the bottom of the denitrification area, affecting the cleanliness of the equipment. This requires maintenance personnel to clean the dust inside the equipment frequently, thus impacting the treatment efficiency of industrial waste gas. Utility Model Content

[0004] The purpose of this invention is to provide an industrial waste gas dust removal, desulfurization, and denitrification device. Dust blocked by the dust cover and dust falling due to its own weight can be collected inside the dust collection hopper. Correspondingly, by periodically activating the hydraulic rod and adjusting the filling block for horizontal adjustment, the dust covering the outside of the filling block can be collected outside the storage tank. Finally, the rotation of the lever can push the dust stored inside the storage tank, which can actively and periodically discharge the dust from the dust discharge trough, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an industrial waste gas dust removal, desulfurization, and denitrification device, comprising a denitrification frame, a dust collection hopper at the lower end of the denitrification frame, a dust baffle at the lower end of the interior of the denitrification frame, a storage tank at the lower end of the interior of the dust collection hopper, a filling block at the upper end of the interior of the dust collection hopper, the filling block covering the area between the upper end of the interior of the dust collection hopper and the storage tank, and a hydraulic rod at the middle of the lower end of the filling block. The horizontal position of the filling block can be actively adjusted by extending and retracting the hydraulic rod. During the horizontal position adjustment, the position of the collected dust can be adjusted to complete the dust discharge.

[0006] Preferably, a limiting frame is provided around the outside of the hydraulic rod. The upper end of the limiting frame is slidably embedded inside the filling block, and the lower end of the limiting frame is welded and fixed to the lower end of the dust collection hopper. The limiting frame can wrap and protect the outside of the hydraulic rod, and can limit the falling dust, preventing the collected dust from contacting and affecting the daily use of the hydraulic rod.

[0007] Preferably, a lever is provided on one side of the outside of the storage tank, and a dust discharge groove is provided at the lower end of the other side of the inside of the storage tank. The collected dust can be actively made to fall from the dust discharge groove by pushing the lever.

[0008] Preferably, a sealing plug is provided on one side of the dust discharge trough, and the outside of the sealing plug is connected to the internal slot of the dust discharge trough. The sealing plug filling the dust discharge trough can prevent the flue gas transmitted to the denitrification frame from being directly discharged from the dust discharge trough when the longitudinal horizontal position of the filling block is adjusted.

[0009] Preferably, the upper end of the outer side of the paddle is provided with a movable groove, the inside of the movable groove is provided with a connecting ring, and the lower end of the connecting ring is welded and fixed to the upper end of the paddle. The outer side of the connecting ring is slidably embedded in the movable groove, and the paddle can be moved by rotating the connecting ring inside the movable groove.

[0010] Preferably, the outer wall of the connecting ring is provided with a toothed groove, and the toothed groove is welded and fixed to the connecting ring. A gear is provided on one side outside the toothed groove, and the outside of the gear is meshed with the outside of the toothed groove. A motor is provided at the upper end of the gear, and the rotation of the gear can actively drive the paddle to rotate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This invention utilizes a dust cover to directly restrict dust from the flue gas fed into the denitrification frame, allowing some dust in the flue gas to fall directly. Dust blocked by the dust cover and dust falling due to its own weight can be collected inside the dust collection hopper. Correspondingly, the dust collected inside the dust collection hopper will accumulate and cover the outside of the filling block. By periodically activating the hydraulic rod and adjusting the horizontal position of the filling block, the trajectory of dust flowing into the storage tank can be exposed, allowing the dust covering the outside of the filling block to be collected outside the storage tank. During the dust position adjustment process, the continuous flow of flue gas into the denitrification frame will not be affected. After periodically pushing the filling block, the hydraulic rod retracts to actively reset the filling block. Finally, the rotation of the lever can push the dust stored in the storage tank, allowing the dust to be actively and periodically discharged from the dust discharge trough. While periodically discharging the gas, the normal dust removal, desulfurization, and denitrification of the flue gas will not be affected, and the flue gas treatment efficiency will not be affected. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the internal structure of the denitrification frame of this utility model;

[0015] Figure 3This is a schematic diagram showing the horizontal position of the filling block after the present invention has been moved.

[0016] Figure 4 For the present utility model Figure 3 Enlarged view of a portion of region A in the middle;

[0017] Figure 5 This is a schematic diagram of the external structure of the connecting ring of this utility model;

[0018] Figure 6 This is a schematic diagram of the movement trajectory of the paddle in this utility model;

[0019] Figure 7 This is a schematic diagram of the internal structure of the desulfurization frame of this utility model.

[0020] In the diagram: 1. Denitrification frame; 2. Flue gas bag filter; 3. Desulfurization frame; 4. Fan; 5. Dust collection hopper; 6. Ammonia injection grid device; 7. Dust cover; 8. Filler block; 9. Inclined surface; 10. Paddle; 11. Connecting ring; 12. Gear; 13. Motor; 14. Movable groove; 15. Limiting frame; 16. Hydraulic rod; 17. Dust discharge trough; 18. Sealing plug; 20. Gear groove; 21. Transmission pipe; 22. Discharge pipe; 23. Storage tank. Detailed Implementation

[0021] The present invention will be further described below with reference to specific embodiments.

[0022] like Figure 1 As shown, an industrial waste gas dust removal, desulfurization and denitrification device according to this embodiment includes a denitrification frame 1, a flue gas bag filter 2 is provided on one side of the denitrification frame 1, and a desulfurization frame 3 is provided on one side of the flue gas bag filter 2. The external flue gas is transmitted sequentially through the denitrification frame 1, the flue gas bag filter 2 and the desulfurization frame 3, and the flue gas is treated sequentially.

[0023] Referring to Chinese Patent No. CN215782203U, the application describes a bag filter dust collector in detail. Filtering and collecting dust in flue gas using a bag filter dust collector is a conventional technical means. Therefore, the internal structure of the flue gas bag filter dust collector 2 is not described in detail in this utility model.

[0024] Furthermore, in order to facilitate the transmission of flue gas between the denitrification frame 1, the flue gas bag filter 2, and the desulfurization frame 3, a fan 4 is sequentially installed between the denitrification frame 1, the flue gas bag filter 2, and the desulfurization frame 3. The flue gas can be extracted by the fan 4, so that the high-temperature flue gas can be sequentially transmitted between the denitrification frame 1, the flue gas bag filter 2, and the desulfurization frame 3.

[0025] like Figure 2 and Figure 3As shown, in order to actively collect the flue gas containing dust when it is sent into the denitrification frame 1, a dust collection hopper 5 is provided at the lower end of the denitrification frame 1. The collected dust can be directly stored in the dust collection hopper 5. A dust baffle 7 is provided at the lower end of the interior of the denitrification frame 1. The dust baffle 7 is inclined. After the external flue gas is sent into the interior of the denitrification frame 1, the dust will directly contact and collide with the dust baffle 7. The dust can collide with the dust baffle 7 and fall directly.

[0026] It is worth mentioning that, in order to temporarily collect the dust, a storage slot 23 is provided at the lower end of the dust collection hopper 5, and a filling block 8 is provided at the upper end of the dust collection hopper 5. After being blocked by the filling block 8, the dust will continue to remain at the upper end of the filling block 8 and at the upper end of the dust collection hopper 5.

[0027] Correspondingly, after the filling block 8 moves horizontally, the dust on the upper part of the filling block 8 will fall directly into the storage tank 23. The filling block 8 covers the area between the upper part of the dust collection hopper 5 and the storage tank 23. The dust can fall after the filling block 8 moves. A hydraulic rod 16 is provided in the middle of the lower end of the filling block 8, and the two ends of the hydraulic rod 16 are welded and fixed to the filling block 8 and the dust collection hopper 5 respectively. The height of the filling block 8 can be adjusted horizontally and vertically by extending and retracting the hydraulic rod 16.

[0028] In this embodiment, in order to wrap and protect the hydraulic rod 16, a limiting frame 15 is provided around the outside of the hydraulic rod 16. The upper end of the limiting frame 15 is slidably embedded inside the filling block 8, and the lower end of the limiting frame 15 is welded and fixed to the lower end inside the dust collection hopper 5. The limiting frame 15 can support the hydraulic rod 16, and the sliding embedding of the limiting frame 15 inside the filling block 8 can prevent dust from falling and contacting the outer wall of the hydraulic rod 16 when the filling block 8 moves horizontally.

[0029] To move dust that falls into the storage tank 23, a lever 10 is provided on one side of the outside of the storage tank 23, such as... Figure 6 As shown, a dust discharge groove 17 is provided at the lower end of the other side of the storage groove 23. After being pushed by the paddle 10, the dust that is pushed will fall directly from the dust discharge groove 17.

[0030] A sealing plug 18 is provided on one side of the outside of the dust discharge trough 17, and the outside of the sealing plug 18 is connected to the internal slot of the dust discharge trough 17, so that dust can fall from the position of the dust discharge trough 17 when the sealing plug 18 is pulled out.

[0031] In order to drive the paddle 10, such as Figure 4 and Figure 5As shown, a movable groove 14 is provided around the upper end of the outer side of the paddle 10. A connecting ring 11 is provided inside the movable groove 14, and the lower end of the connecting ring 11 is welded and fixed to the upper end of the paddle 10. The outer side of the connecting ring 11 is slidably embedded into the movable groove 14. The position of the paddle 10 can be directly adjusted by rotating the connecting ring 11 in the movable groove 14, and the dust inside the storage tank 23 can be pushed by the paddle 10.

[0032] The outer wall of the connecting ring 11 is surrounded by a toothed groove 20, and the toothed groove 20 is welded and fixed to the connecting ring 11. A gear 12 is provided on one side of the outer side of the toothed groove 20, and the outer side of the gear 12 is meshed with the outer side of the toothed groove 20. A motor 13 is provided at the upper end of the gear 12, and the outer wall of the motor 13 is fixedly connected to the inner wall of the dust collection hopper 5 by bolts. The motor 13 can actively drive the gear 12, and the gear 12 can drive the connecting ring 11 and the lower end of the lever 10 to rotate through the toothed groove 20.

[0033] In order to denitrify the flue gas inside the denitrification frame 1, an ammonia injection grid device 6 is horizontally installed at the upper end of the denitrification frame 1.

[0034] Referring to Chinese Patent No. CN208694708U, which describes in detail an ammonia injection grid device for flue gas denitrification, this patent does not make any additional improvements to the ammonia injection grid device 6. Therefore, the ammonia injection grid device 6 is not described in detail in this utility model.

[0035] In order to desulfurize the flue gas after denitrification and dust removal, such as Figure 7 As shown, a transmission pipe 21 is provided at the upper end of the desulfurization frame 3, and a discharge pipe 22 is provided at the lower end of the desulfurization frame 3. The limestone slurry discharged from the transmission pipe 21 can desulfurize the flue gas, and the desulfurized limestone slurry can be directly discharged from the discharge pipe 22.

[0036] In order to prevent the collected dust from remaining on the upper end of the filling block 8, a slope 9 is provided around the upper end of the filling block 8. The slope 9 facilitates the falling of dust and allows the dust to flow actively into the storage tank 23.

[0037] Working Principle: When the device is used and denitrification, dust removal, and desulfurization are performed sequentially, the flue gas to be treated is transmitted into the denitrification frame 1. The dust in the flue gas will be restricted by the dust baffle 7, which will force some of the dust particles to fall actively. The particles that fall actively and those that fall due to their own weight will move towards the dust collection hopper 5. After the dust collection hopper 5 collects a portion of the dust at regular intervals, the hydraulic rod 16 is activated. The extension of the hydraulic rod 16 can actively push the filling block 8 to move longitudinally upward, exposing the area where it flows into the storage tank 23. The inclination of the inclined surface 9 can guide the collected dust, actively allowing the dust to flow into the storage tank 23. During the dust transfer process, it will not affect the state of the external flue gas being sent into the denitrification frame 1. The retraction of the hydraulic rod 16 causes the filling block to... 8. Reset, restricting the flow area between the outside of the filling block 8 and the storage tank 23. The motor 13 starts the gear 12. The gear 12 drives the connecting ring 11 and the paddle 10 to rotate through the tooth groove 20. The rotation of the paddle 10 can push the dust collected inside, so that the dust can be discharged from the dust discharge tank 17 after the sealing plug 18 is removed. After the catalyst is discharged from the ammonia injection grid device 6, the flue gas is denitrified. The denitrified flue gas is transmitted to the flue gas bag dust collector 2 for dust removal. The denitrified and dust-removed flue gas is transmitted to the desulfurization frame 3. The nozzle of the transmission pipe 21 inside the desulfurization frame 3 discharges limestone slurry. The atomized limestone slurry can achieve the desulfurization of the flue gas. Finally, the flue gas is discharged after denitrification, dust removal and desulfurization, completing the flue gas treatment.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An industrial waste gas dust removal, desulfurization, and denitrification device, comprising a denitrification frame (1), characterized in that, The lower end of the denitrification frame (1) is provided with a dust collection hopper (5), the lower end of the interior of the denitrification frame (1) is provided with a dust cover (7), the lower end of the interior of the dust collection hopper (5) is provided with a storage tank (23), the upper end of the interior of the dust collection hopper (5) is provided with a filling block (8), the filling block (8) covers the area between the upper end of the interior of the dust collection hopper (5) and the storage tank (23), and a hydraulic rod (16) is provided in the middle of the lower end of the filling block (8).

2. The industrial waste gas dust removal, desulfurization, and denitrification device according to claim 1, characterized in that, A limiting frame (15) is provided around the outside of the hydraulic rod (16). The upper end of the limiting frame (15) is slidably embedded into the filling block (8), and the lower end of the limiting frame (15) is welded and fixed to the lower end of the dust collection hopper (5).

3. The industrial waste gas dust removal, desulfurization, and denitrification device according to claim 1, characterized in that, A lever (10) is provided on one side of the outside of the storage tank (23), and a dust discharge tank (17) is provided at the lower end of the other side of the inside of the storage tank (23).

4. The industrial waste gas dust removal, desulfurization, and denitrification device according to claim 3, characterized in that, A sealing plug (18) is provided on one side of the outside of the dust discharge groove (17), and the outside of the sealing plug (18) is connected to the internal slot of the dust discharge groove (17).

5. An industrial waste gas dust removal, desulfurization, and denitrification device according to claim 4, characterized in that, The upper part of the outer side of the paddle (10) is provided with a movable groove (14), and a connecting ring (11) is provided inside the movable groove (14). The lower end of the connecting ring (11) is welded and fixed to the upper end of the paddle (10). The outer side of the connecting ring (11) is slidably embedded into the movable groove (14).

6. The industrial waste gas dust removal, desulfurization, and denitrification device according to claim 5, characterized in that, The outer wall of the connecting ring (11) is provided with a toothed groove (20), and the toothed groove (20) is welded and fixed to the connecting ring (11). A gear (12) is provided on one side outside the toothed groove (20), and the outside of the gear (12) is meshed with the outside of the toothed groove (20). A motor (13) is provided at the upper end of the gear (12).

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