Flue gas purification device based on industrial energy conservation and emission reduction

Abstract

The utility model discloses a flue gas purification device based on industrial energy conservation and emission reduction, which belongs to the field of environmental protection and comprises a cloth bag dust removal device and a purification and absorption device. Compared with the prior art, the device disclosed by the utility model has the advantages that a plurality of detachable activated carbon plates are arranged at the tank opening of the purification tank, gasified liquid medicine is absorbed through the detachable activated carbon plates, and residual harmful gas in flue gas is also adsorbed while the liquid medicine is absorbed, so that the gas purification effect is improved. The detachable activated carbon plate is arranged in a one-way inclined mode, residual harmful gas is effectively absorbed, so that the content of the harmful gas in exhausted smoke is reduced to the minimum, and due to the fact that the detachable activated carbon plate is arranged in a one-way inclined mode, after the absorbed liquid medicine reaches a certain concentration, the liquid medicine can be condensed into the liquid medicine to slide into the drainage groove. And the liquid medicine falls back into the purification tank through the drainage groove, so that the consumption of the liquid medicine is reduced.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection, and specifically refers to a flue gas purification device based on industrial energy conservation and emission reduction. Background Art

[0002] With the development of social industrialization, people are improving their quality of life while also suffering from the harm of industrial pollution. In order to respond to the country's sustainable development directive, industrial pollutants at this stage need to be purified before they can be discharged (at this stage, in addition to the strong pollution of CO2, the pollution harm caused by industrial waste gas such as SO2, HF and H2S is more serious). In order to ensure the purification effect of industrial flue gas, a flue gas purification device based on industrial energy conservation and emission reduction composed of multiple purification structures is usually used to perform special purification on it.

[0003] Existing flue gas purification devices based on industrial energy conservation and emission reduction usually use bag dust removal devices to filter dust in the flue gas. After removing impurities, the harmful gases in the flue gas are neutralized and absorbed by the absorption method (a liquid that absorbs the flue gas is added inside the purification and absorption device). After the liquid is absorbed, the harmless flue gas is discharged.

[0004] This combined purification structure can effectively remove most of the harmful gases in the flue gas, but as the flue gas enters the liquid medicine and evaporates again, it will inevitably bring out the atomized gas of the liquid medicine, resulting in a certain amount of liquid medicine waste. In addition, a small amount of harmful gases in the flue gas will float out of the purification absorption device through bubbles, thereby reducing the purification effect. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the purification absorption device of the existing flue gas purification device based on industrial energy conservation and emission reduction cannot limit the volatilization of the liquid medicine, and the harmful gases in the flue gas cannot be completely purified.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a flue gas purification device based on industrial energy conservation and emission reduction, including a bag dust removal device and a purification absorption device, the bag dust removal device is connected to the purification absorption device through a corrosion-resistant pipe, and the air outlet of the purification absorption device is provided with a plurality of unidirectional inclined detachable activated carbon plates, the detachable activated carbon plates pass through the side wall of the air outlet of the purification absorption device, and the air outlet of the purification absorption device is provided with a drainage groove for facilitating liquid reflux.

[0007] As an improvement, the bag dust removal device includes a dust removal box, several dust removal bags located inside the dust removal box, and a pulse device located at the bag mouth of the dust removal bag. The bottom surface of the dust removal box is provided with a closing plate for sealing dust, and the closing plate passes through the bottom side wall of the dust removal box.

[0008] As an improvement, the pulse device includes a shunt pipe located at the bag opening end of the dust bag and a pulse dust collector located on one side of the dust box, and the shunt pipe passes through the side wall of the dust box.

[0009] As an improvement, the interior of the dust removal box is provided with a dust bag fixing groove plate for storing the dust bag, the closing plate and the side wall of the dust outlet on the bottom surface of the dust removal box, as well as the dust bag and the card groove inside the dust bag fixing groove plate are all connected by body contact and sliding, the pulse dust collector and the side wall of the dust removal box are connected by welding, and the diverter pipe is connected to the pulse dust collector through a pulse pipe.

[0010] As an improvement, the purification and absorption device includes a purification tank, a one-way valve located on the air inlet side of the purification tank, and a stop valve located on the liquid inlet side of the purification tank. The detachable activated carbon plate is located at the air outlet at the top of the purification tank.

[0011] As an improvement, the one-way valve and the stop valve are both connected to the purification tank via threads, and the detachable activated carbon plate is slidably connected to the internal slide groove of the purification tank outlet via body contact.

[0012] The advantages of the present invention over the prior art are that: the device arranges a plurality of detachable activated carbon plates at the tank mouth of the purification tank, and absorbs the vaporized medicinal liquid through the detachable activated carbon plates. While absorbing the medicinal liquid, the residual harmful gases in the flue gas are also adsorbed and neutralized with the medicinal liquid in the detachable activated carbon plates, thereby effectively absorbing the residual harmful gases, thereby reducing the harmful gas content in the exhausted flue gas to a minimum. Moreover, because the detachable activated carbon plates are arranged at a unidirectional tilt, the absorbed medicinal liquid will condense into medicinal liquid after reaching a certain concentration, slide into the drainage trough, and then fall back into the purification tank through the drainage trough, thereby reducing the consumption of medicinal liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the overall structure of a flue gas purification device based on industrial energy conservation and emission reduction according to the utility model.

[0014] Figure 2 This is an exploded diagram of a bag dust removal device of a flue gas purification device based on industrial energy conservation and emission reduction.

[0015] Figure 3 This is an exploded diagram of a detachable activated carbon plate of a flue gas purification device based on industrial energy conservation and emission reduction.

[0016] Figure 4 This is a cross-sectional view of a detachable activated carbon plate of a flue gas purification device based on industrial energy conservation and emission reduction in the utility model.

[0017] As shown in the figure: 1. Bag dust removal device; 11. Dust removal box; 12. Dust removal bag; 13. Pulse device; 131. Diverter pipe; 132. Pulse dust collector; 14. Closing plate; 15. Dust removal bag fixing groove plate; 2. Purification and absorption device; 21. Purification tank; 22. One-way valve; 23. Stop valve; 3. Corrosion-resistant pipe; 4. Removable activated carbon plate; 41. Drainage trough. DETAILED DESCRIPTION

[0018] The present invention will be described in further detail below with reference to the accompanying drawings.

[0019] As the instruction manual Figure 1 、 2 As shown, it includes a bag-type dust removal device 1 and a purification and absorption device 2. The bag-type dust removal device 1 is connected to the purification and absorption device 2 through a corrosion-resistant pipe 3. Before installing the corrosion-resistant pipe 3, it is necessary to apply corrosion-resistant sealant to the interfaces at both ends of the corrosion-resistant pipe 3, and then the two ends are respectively covered with the air outlet of the bag-type dust removal device 1 and the air inlet of the purification and absorption device 2. The air inlet of the bag-type dust removal device 1 is connected to the outlet of the flue gas pipe using the corrosion-resistant pipe 3.

[0020] The bag dust removal device 1 includes a dust removal box 11, a plurality of dust removal bags 12 located inside the dust removal box 11, and a pulse device 13 located at the bag end of the dust removal bag 12. The bottom surface of the dust removal box 11 is provided with a closing plate 14 for sealing dust, and the closing plate 14 passes through the bottom side wall of the dust removal box 11. The pulse device 13 includes a shunt pipe 131 located at the bag end of the dust removal bag 12 and a pulse dust collector 132 located on one side of the dust removal box 11. The shunt pipe 131 passes through the side wall of the dust removal box 11. The interior of the dust removal box 11 is provided with a dust removal bag fixing slot plate 15 for storing the dust removal bag 12. The closing plate 14 and the bottom dust outlet side wall of the dust removal box 11 and the dust removal bag 12 and the card slot inside the dust removal bag fixing slot plate 15 are all connected by body contact and sliding. The pulse dust collector 132 is connected to the side wall of the dust removal box 11 by welding. 1 is connected to the pulse dust collector 132 through a pulse pipe, each dust bag 12 is put on the fixing frame of the dust bag 12, and is inserted into the dust bag through hole inside the dust bag fixing slot plate 15 for fixing. The dust in the flue gas is filtered by the dust bag 12; the pipe openings of the shunt pipe 131 are aligned with the bag openings of the dust bag 12, and the pulse pipe passes through the box cover above the dust box 11 to connect the shunt pipe 131 and the pulse dust collector 132. The pulse dust collector 132 is welded to the box cover of the dust box 11 using an electric welding device. When the flue gas flow efficiency is too slow, the pulse dust collector 132 is used to blow off the dust on the surface of the dust bag 12; the box cover is fixed to the dust box 11 with screws. In order to maintain the sealing, a sealing ring can be placed at the connection end for sealing; the closing plate 14 is slid into the slide groove on the side of the dust outlet on the bottom surface of the dust box 11 to facilitate the regular removal and placement of dust.

[0021] As the instruction manual Figure 1 、 3 4, the purification absorption device 2 includes a purification tank 21, a one-way valve 22 located on the air inlet side of the purification tank 21, and a stop valve 23 located on the liquid inlet side of the purification tank 21. The air outlet of the purification absorption device 2 is provided with a plurality of one-way inclined detachable activated carbon plates 4, the detachable activated carbon plates 4 pass through the side wall of the air outlet of the purification absorption device 2, and the air outlet of the purification absorption device 2 is provided with a drainage groove 41 for reflux of the liquid. The one-way valve 22 and the stop valve 23 are both connected to the purification tank 21 by threads. The detachable activated carbon plate 4 is slidably connected to the internal slide groove of the air outlet of the purification tank 21 through the body contact, and the stop valve 23 and the one-way valve 22 are respectively screwed on the liquid inlet and air inlet of the purification tank 21 through their threads. The corrosion-resistant pipe 3 connected to the air outlet of the bag dust removal device 1 is connected to the air inlet end of the one-way valve 22 to prevent the backflow of the liquid medicine. The liquid inlet of the stop valve 23 is connected to the liquid medicine tank, and a waterproof glue device is used for sealing. The detachable activated carbon plate 4 is slid into the side slide groove of the air outlet at the top of the purification tank 21 in sequence.

[0022] During the specific implementation of the present invention, the check valve 23 is opened, and the medicine liquid is injected from the liquid inlet of the purification tank 21. The smoke enters the smoke dust removal and filtration area inside the dust removal box 11 from the air inlet on the bottom surface of the dust removal box 11. After being filtered by the dust bag 12, the smoke flows into the corrosion-resistant pipe 3 from the air outlet on the upper side of the dust removal box 11. After passing through the corrosion-resistant pipe 3 and the inside of the one-way valve 22, the smoke flows from the air inlet of the purification tank 21 to the medicine liquid inside the purification tank 21. The harmful gases in the smoke will react with the medicine liquid to be converted into harmless substances and remain in the medicine liquid. The purified gas will enter the multiple layers of removable activated carbon plates 4 from the air outlet at the top of the purification tank 21 for secondary filtration, absorbing the harmful gases and liquid medicine gas in the flue gas to ensure the safety of the discharged flue gas. When the absorbed liquid medicine exceeds the adsorption range, it will flow into the drainage groove 41 along the slope of the removable activated carbon plate 4, and then flow downward in sequence, and finally fall back into the liquid medicine inside the purification tank 21 (the liquid medicine and the removable activated carbon plate 4 need to be replaced regularly, and the pulse dust collector 132 needs to regularly clean the dust bag 12 through the diversion pipe 131).

[0023] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A flue gas purification device based on industrial energy conservation and emission reduction, comprising a bag dust removal device (1) and a purification absorption device (2), wherein the bag dust removal device (1) is connected to the purification absorption device (2) through a corrosion-resistant pipe (3), and is characterized in that: A plurality of unidirectionally inclined detachable activated carbon plates (4) are provided inside the air outlet of the purification absorption device (2), and the detachable activated carbon plates (4) pass through the side wall of the air outlet of the purification absorption device (2). A drainage groove (41) is provided inside the air outlet of the purification absorption device (2) to facilitate liquid reflux.

2. The flue gas purification device based on industrial energy conservation and emission reduction according to claim 1 is characterized in that: The bag dust removal device (1) comprises a dust removal box (11), a plurality of dust removal bags (12) located inside the dust removal box (11), and a pulse device (13) located at the bag opening of the dust removal bag (12); the bottom surface of the dust removal box (11) is provided with a closing plate (14) for sealing dust, and the closing plate (14) passes through the bottom side wall of the dust removal box (11).

3. The flue gas purification device based on industrial energy conservation and emission reduction according to claim 2 is characterized in that: The pulse device (13) comprises a shunt pipe (131) located at the bag opening of the dust removal bag (12) and a pulse dust collector (132) located on one side of the dust removal box (11), and the shunt pipe (131) passes through the side wall of the dust removal box (11).

4. The flue gas purification device based on industrial energy conservation and emission reduction according to claim 3 is characterized in that: The interior of the dust removal box (11) is provided with a dust bag fixing slot plate (15) for storing the dust bag (12); the closing plate (14) and the side wall of the dust outlet on the bottom surface of the dust removal box (11) as well as the dust bag (12) and the card slot inside the dust bag fixing slot plate (15) are all connected by body contact and sliding; the pulse dust collector (132) and the side wall of the dust removal box (11) are connected by welding; and the shunt pipe (131) is connected to the pulse dust collector (132) through a pulse pipe.

5. The flue gas purification device based on industrial energy conservation and emission reduction according to claim 1 is characterized in that: The purification and absorption device (2) comprises a purification tank (21), a one-way valve (22) located on one side of the air inlet of the purification tank (21), and a stop valve (23) located on one side of the liquid inlet of the purification tank (21); the detachable activated carbon plate (4) is located at the air outlet at the top end of the purification tank (21).

6. The flue gas purification device based on industrial energy conservation and emission reduction according to claim 5 is characterized in that: The one-way valve (22) and the stop valve (23) are both connected to the purification tank (21) via threads, and the detachable activated carbon plate (4) is slidably connected to the internal sliding groove of the air outlet of the purification tank (21) through body contact.

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