A device for removing dust, desulfurization and denitrification from exhaust gas for carbon sink emission

Abstract

This utility model relates to the field of waste gas collection technology, specifically a waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions. The device includes a frame, with a processing component on the top and a separation and purification component on the right side of the frame. The processing component includes an air inlet box, with a mounting plate fixedly connected inside. A bag filter is inserted inside the mounting plate, and a processing chamber is fixedly connected to the bottom of the air inlet box. The beneficial effect is that industrial waste gas is drawn into the air inlet box through an air inlet pipe, and dust particles are removed by the bag filter. Then, the gas enters the denitrification stage. Under the action of a first filling plate, ammonia water is sprayed through a water spray pipe as a reducing agent to reduce nitrogen oxides to nitrogen and water. Next, the gas enters the desulfurization stage, where limestone slurry in a second filling plate absorbs sulfur dioxide, generating gypsum as a byproduct. This completes the dust removal-desulfurization-denitrification treatment, avoiding the risk of corrosion to downstream equipment.

Description

Technical Field

[0001] This utility model relates to the field of waste gas collection technology, specifically a waste gas dust removal, desulfurization and denitrification device for carbon sink emissions. Background Technology

[0002] Carbon sinks refer to ecosystems, activities, or mechanisms that absorb and store greenhouse gases such as carbon dioxide from the atmosphere through natural or artificial processes such as afforestation, forest management, and ocean absorption. Their role is to reduce the concentration of greenhouse gases in the atmosphere, thereby mitigating global climate change.

[0003] Utility model patent CN 220715194 U discloses a waste gas collection device for carbon sink emissions. This device allows for the convenient placement of a dust filter plate inside a supporting docking cylinder, prevents it from falling by a pull-out switch, and facilitates the filtration of waste gas entering the top of the supporting docking cylinder. This solves the problem that the collection hood lacks any dust filtration measures inside, leading to dust accumulation on the inner wall of the pipe and causing corrosion, and making it inconvenient to install dust filtration measures inside the collection hood. However, the aforementioned waste gas collection device, relying solely on a dust filter plate for dust removal, cannot effectively perform desulfurization, denitrification, and carbon dioxide separation, posing a serious corrosion risk to downstream equipment. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, this utility model proposes a waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions. This addresses the problem that traditional waste gas collection devices, which only use dust filter plates for dust removal, cannot effectively remove sulfur and nitrogen and separate carbon dioxide, leading to serious corrosion risks for downstream equipment.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A waste gas dust removal, desulfurization and denitrification device for carbon sink emissions includes a frame, a processing component is provided on the top of the frame, and a separation and purification component is provided on the right side of the frame.

[0007] The processing assembly includes an air inlet box, an installation plate fixedly connected inside the air inlet box, a bag filter inserted inside the installation plate, a processing box fixedly connected to the bottom of the air inlet box, a filling plate inserted inside the processing box, and a water spray pipe fixedly connected to the rear side of the inner wall of the processing box.

[0008] Preferably, the air intake box is fixedly connected to the top of the frame, the inner top wall of the air intake box is fixedly connected to an air intake pipe, and the mounting plate is connected to the air intake pipe.

[0009] Preferably, the right side of the air inlet box is fixed with a door by bolts, and the bag filter is pressed against the air inlet box through the door.

[0010] Preferably, a support block is fixedly connected inside the processing box, and a filling plate is placed on top of the support block and extends to the outside of the processing box. The filling plate is filled with a vanadium-titanium-based catalyst.

[0011] Preferably, the separation and purification component includes a purification box, and a positioning seat is fixedly connected inside the purification box. A filling plate and an activated carbon plate are inserted inside the positioning seat.

[0012] Preferably, the purification box is fixedly connected to the right side of the frame and communicates with the processing box, and the number of positioning seats is two and they are distributed left and right on the inner bottom wall of the purification box.

[0013] Preferably, both the second filling plate and the activated carbon plate extend to the outside of the purification box, the second filling plate is filled with limestone, and an exhaust pipe is fixedly connected to the right side of the inner wall of the purification box.

[0014] Compared with existing technologies, the beneficial effects of this utility model's waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions are:

[0015] First, industrial waste gas is drawn into the intake box through the intake pipe, and then dust particles are removed by a bag filter. It then enters the denitrification stage, where ammonia water is sprayed into the packing plate as a reducing agent to reduce nitrogen oxides into nitrogen and water. Next, it enters the desulfurization stage, where limestone slurry in the packing plate absorbs sulfur dioxide and generates gypsum by-product, thus completing the dust removal-desulfurization-denitrification treatment and avoiding the risk of corrosion to downstream equipment.

[0016] Secondly, the waste gas that has undergone dust removal, desulfurization, and denitrification treatment finally enters the carbon dioxide capture stage, where carbon dioxide is separated and purified through activated carbon plates to obtain high-purity carbon dioxide products for storage or utilization, ultimately achieving the carbon sequestration goal. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of another axial integral structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the internal structure of the air intake box of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure at the connection between the processing box and the purification box of this utility model.

[0021] The components include: 1. Frame; 2. Processing components; 201. Air inlet box; 202. Mounting plate; 203. Bag filter; 204. Processing box; 205. Filler plate one; 206. Water spray pipe; 3. Separation and purification components; 301. Purification box; 302. Positioning seat; 303. Filler plate two; 304. Activated carbon plate. Detailed Implementation

[0022] The specific embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0023] Please refer to the specific embodiment of the waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions. Figure 1 , Figure 2 , Figure 3 and Figure 4 It includes a frame 1, a processing component 2 is provided on the top of the frame 1, and a separation and purification component 3 is provided on the right side of the frame 1.

[0024] The processing component 2 includes an air inlet box 201, an mounting plate 202 is fixedly connected inside the air inlet box 201, a bag filter 203 is inserted inside the mounting plate 202, a processing box 204 is fixedly connected to the bottom of the air inlet box 201, a filling plate 205 is inserted inside the processing box 204, and a water spray pipe 206 is fixedly connected to the rear side of the inner wall of the processing box 204.

[0025] The air intake box 201 is fixedly connected to the top of the frame 1. An air intake pipe is fixedly connected to the inner top wall of the air intake box 201, and the mounting plate 202 is connected to the air intake pipe.

[0026] The stable connection between the air inlet box 201 and the frame 1 is clearly defined, and the connection design between the air inlet pipe and the mounting plate 202 ensures that the exhaust gas can be directly and smoothly introduced into the installation area of ​​the bag filter 203, providing a stable and clearly defined air inlet channel for subsequent dust removal and improving the processing efficiency.

[0027] The right side of the air inlet box 201 is fixed with a door by bolts, and the bag filter 203 is pressed against the air inlet box 201 through the door.

[0028] The removable door and clamping installation design make the replacement, maintenance or cleaning of the bag filter 203 very convenient. It does not require disassembling the large main structure, which simplifies the daily maintenance process, significantly reduces maintenance costs and time, and ensures the continuous operation of the device.

[0029] The processing box 204 is fixedly connected to a support block, and a filling plate 205 is placed on top of the support block and extends to the outside of the processing box 204. The filling plate 205 is filled with a vanadium-titanium-based catalyst.

[0030] The support block provides a stable support platform for the packing plate 205, and its design extending outside the box allows the packing plate 205, which is filled with vanadium-titanium-based catalyst, to be easily pulled out and replaced like a drawer, greatly simplifying the maintenance of the catalyst and ensuring the efficiency of the denitrification reaction and the operability of the device.

[0031] The separation and purification component 3 includes a purification box 301, and a positioning seat 302 is fixedly connected inside the purification box 301. A filling plate 303 and an activated carbon plate 304 are inserted inside the positioning seat 302.

[0032] Inside the purification chamber 301, a pluggable filling plate 303 and an activated carbon plate 304 are installed via a positioning seat 302, realizing the modular integration of desulfurization and deep adsorption purification functions. This makes the replacement of the reaction medium and adsorbent simple and quick, and facilitates combination or individual maintenance according to treatment needs.

[0033] The purification box 301 is fixedly connected to the right side of the frame 1 and communicates with the processing box 204. There are two positioning seats 302, which are distributed on the left and right sides of the inner bottom wall of the purification box 301.

[0034] Both the filling plate 303 and the activated carbon plate 304 extend to the outside of the purification box 301. The filling plate 303 is filled with limestone, and an exhaust pipe is fixedly connected to the right side of the inner wall of the purification box 301.

[0035] The extended design of the limestone-filled packing plate 303 and the activated carbon plate 304 facilitates easy replacement, enabling convenient desulfurization and impurity adsorption, respectively. The exhaust pipe provides a standardized outlet for the final purified gas, completing the entire treatment process from waste gas inlet to qualified gas discharge.

[0036] Its working principle is as follows: Industrial waste gas first enters through the inlet pipe at the bottom of the inlet box 201, flows through the bag filter 203 inserted on the mounting plate 202 to remove dust particles, and the preliminarily purified waste gas enters the treatment box 204 downwards, where it mixes with ammonia water sprayed in by the water spray pipe 206, and passes through the packing plate 205 filled with vanadium-titanium-based catalyst to carry out a catalytic reduction reaction to achieve denitrification. Then the waste gas enters the purification box 301 of the separation and purification component 3, first passes through the packing plate 303 filled with limestone to carry out a desulfurization reaction, and then passes through the activated carbon plate 304 to adsorb residual impurities and preliminarily enrich carbon dioxide. Finally, the gas that has undergone dust removal-denitrification-desulfurization-purification treatment is discharged through the exhaust pipe on the right side of the purification box 301, completing the entire waste gas purification and carbon sink preparation process.

[0037] It should be noted that, although specific 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 variations can be made to these specific embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A carbon sink emission waste gas dedusting, desulfurization and denitrification device, comprising a rack (1), characterized in that: A processing component (2) is provided on the top of the rack (1), and a separation and purification component (3) is provided on the right side of the rack (1). The processing component (2) includes an air inlet box (201), an mounting plate (202) is fixedly connected inside the air inlet box (201), a bag filter (203) is inserted inside the mounting plate (202), a processing box (204) is fixedly connected to the bottom of the air inlet box (201), a filling plate (205) is inserted inside the processing box (204), and a water spray pipe (206) is fixedly connected to the rear side of the inner wall of the processing box (204).

2. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 1, characterized in that: The air intake box (201) is fixedly connected to the top of the frame (1), and the inner top wall of the air intake box (201) is fixedly connected to the air intake pipe. The mounting plate (202) is connected to the air intake pipe.

3. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 1, characterized in that: The right side of the air inlet box (201) is fixed with a box door by bolts, and the bag filter (203) is pressed against the air inlet box (201) through the box door.

4. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 1, characterized in that: The processing box (204) is fixedly connected to a support block inside. The filling plate (205) is placed on top of the support block and extends to the outside of the processing box (204). The filling plate (205) is filled with a vanadium-titanium-based catalyst.

5. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 1, characterized in that: The separation and purification component (3) includes a purification box (301), and a positioning seat (302) is fixedly connected inside the purification box (301). A filling plate (303) and an activated carbon plate (304) are inserted inside the positioning seat (302).

6. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 5, characterized in that: The purification box (301) is fixedly connected to the right side of the frame (1) and communicates with the processing box (204). There are two positioning seats (302) and they are distributed on the left and right sides of the inner bottom wall of the purification box (301).

7. The waste gas dust removal, desulfurization, and denitrification device for carbon sink emissions according to claim 5, characterized in that: Both the second filling plate (303) and the activated carbon plate (304) extend to the outside of the purification box (301). The second filling plate (303) is filled with limestone, and an exhaust pipe is fixedly connected to the right side of the inner wall of the purification box (301).

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