Activated carbon carbonization tail gas recovery equipment

Abstract

The utility model relates to activated carbon production technical field, concretely is a kind of activated carbon carbonization tail gas recovery equipment, including gas flow structure, gas flow structure includes recovery tank, recovery tank bottom fixed mounting has discharge pipe, recovery tank upper side one end fixed mounting has tail gas inlet pipe, recovery tank upper side other end fixed mounting has tail gas outlet pipe, recovery tank upper side middle part fixedly connected with steam inlet pipe;Organic gas recovery structure, including activated carbon bed, activated carbon bed clamps in the middle part of recovery tank. In the utility model, the tail gas inlet pipe is first passed through activated carbon bed to the tail gas in recovery tank, and the organic matter such as smoke gas particle generated by insufficient combustion is adsorbed and recovered, after filtering out organic gas, it is introduced into next waste gas treatment equipment from tail gas outlet pipe, when the organic particles adsorbed in activated carbon bed are relatively saturated, high-temperature steam is introduced into steam inlet pipe to carry out steam desorption, steam small water droplet wraps organic particle and mutually gathers into water drop to form desorption solvent, and is recycled and reused.

Description

Technical Field

[0001] This utility model relates to the field of activated carbon production technology, specifically to an activated carbon carbonization tail gas recovery device. Background Technology

[0002] The current main steps in the production of wood-based activated carbon are to dry and crush the raw materials, then send them to an oxygen-deficient carbonization furnace to burn off the volatiles at a low temperature, and then send them to a high-temperature activation furnace to etch pores with water vapor or phosphoric acid. The resulting carbon blocks are then acid-washed, water-washed, dried, and sieved to become activated carbon. During the carbonization process, a large amount of harmful substances are generated under high-temperature combustion, which need to be treated before being discharged.

[0003] The current method of treating organic matter in exhaust gas mainly relies on high-temperature incineration of organic matter (such as benzene, lignin particles produced by incomplete combustion, etc.). However, incineration also produces some other harmful substances, and lignin particles will also form carbon particles after incineration, which can easily block the gas transmission channel. In addition, these organic substances with recycling value will be directly wasted. Utility Model Content

[0004] The purpose of this invention is to provide an activated carbon carbonization tail gas recovery device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An activated carbon carbonization tail gas recovery device includes: A gas flow structure includes a recovery box, a discharge pipe fixedly installed at the bottom of the recovery box, a tail gas inlet pipe fixedly installed at one end of the upper side of the recovery box, a tail gas outlet pipe fixedly installed at the other end of the upper side of the recovery box, and a steam inlet pipe fixedly connected to the middle of the upper side of the recovery box. An organic gas recovery structure includes an activated carbon bed, which is fitted into the middle of a recovery box.

[0006] Furthermore, the recycling bin has a charcoal bed insertion port on the front side, and limit strips are fixedly installed on the inner sides and rear surface of the recycling bin. Locking buckles are fixedly installed on the upper and lower edges of both ends of the charcoal bed insertion port.

[0007] Furthermore, a discharge hopper is fixedly installed at the bottom of the recycling bin, and the bottom opening of the discharge hopper is connected to the discharge pipe. A partition plate is fixedly installed in the middle of the upper side of the recycling bin. Gas conveying hoods are fixedly installed at both ends of the upper side of the recycling bin. The exhaust gas inlet pipe and the exhaust gas outlet pipe are fixedly connected to the openings on the upper sides of the gas conveying hoods at both ends, respectively. A steam inlet hood is fixedly installed in the middle of the upper side of the recycling bin, and the upper side of the steam inlet hood is connected to the steam inlet pipe.

[0008] Furthermore, electric valves are fixedly installed at the ends of the discharge pipe, the exhaust gas inlet pipe, and the exhaust gas outlet pipe.

[0009] Furthermore, a base frame is fixedly fitted onto the side surface of the activated carbon bed, a supplementary slot is provided on the upper side of the activated carbon bed, a partition slot that engages with the supplementary slot is fixedly installed in the middle of the base frame, the partition slot is slidably engaged with the bottom of the partition plate, and a limiting slot that engages with the limiting strip is provided on the side surface of the base frame.

[0010] Furthermore, a mounting plate is fixedly installed on the front side of the base frame, a pull handle is fixedly installed in the middle of the front side of the mounting plate, and buckles are rotatably installed at both ends of the front side of the mounting plate, with a rotating handle fixedly installed at the lower end of the buckles.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. Connect the exhaust gas inlet pipe to the exhaust gas outlet of the activated carbon carbonization furnace, connect the exhaust gas outlet pipe to the next treatment equipment, connect the discharge pipe to the solvent recovery equipment, and connect the steam inlet pipe to the steam generator. During normal operation, the exhaust gas introduced into the recovery box through the exhaust gas inlet pipe first passes through the activated carbon bed, adsorbing and recovering organic matter such as flue gas particles generated by incomplete combustion. After filtering out the organic gases, the exhaust gas is then introduced into the next waste gas treatment equipment through the exhaust gas outlet pipe. When the organic particles adsorbed in the activated carbon bed are relatively saturated, high-temperature steam introduced through the steam inlet pipe performs steam desorption. The steam droplets wrap around the organic particles and agglomerate into water droplets. After passing through the activated carbon bed, they form desorption solvent and are discharged from the discharge pipe for recovery. After separation, some components of the solvent are recovered and reused.

[0012] 2. The activated carbon bed is positioned by the base frame. The activated carbon bed is inserted into the recycling box at the insertion port, and the mounting plate is inserted into the insertion port. Then, the lever is rotated by turning the handle so that the upper and lower ends of the lever are engaged in the locking buckles on the upper and lower sides. This relatively locks the mounted organic gas recovery structure, giving the activated carbon bed detachability and facilitating periodic replacement and cleaning. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the entire utility model; Figure 3 This is a schematic diagram of the gas flow structure in this utility model; Figure 4 This is a schematic diagram of the organic gas recovery structure in this utility model.

[0014] In the diagram: 1. Gas flow structure; 101. Recovery box; 102. Activated carbon bed insertion port; 103. Limiting strip; 104. Locking buckle; 105. Discharge hopper; 106. Discharge pipe; 107. Divider plate; 108. Gas conveying hood; 109. Tail gas inlet pipe; 110. Tail gas outlet pipe; 111. Steam inlet hood; 112. Steam inlet pipe; 113. Electric valve; 2. Organic gas recovery structure; 201. Mounting plate; 202. Pull-out handle; 203. Buckle bar; 204. Rotating handle; 205. Base frame; 206. Limiting slot; 207. Divider slot; 208. Activated carbon bed; 209. Replenishment slot. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-4 In this embodiment of the present invention, an activated carbon carbonization tail gas recovery device includes a gas flow structure 1, which includes a recovery box 101. A discharge pipe 106 is fixedly installed at the bottom of the recovery box 101, a tail gas inlet pipe 109 is fixedly installed at one end of the upper side of the recovery box 101, a tail gas outlet pipe 110 is fixedly installed at the other end of the upper side of the recovery box 101, and a steam inlet pipe 112 is fixedly connected to the middle of the upper side of the recovery box 101. An organic gas recovery structure 2 includes an activated carbon bed 208, which is fitted into the middle of the recovery box 101.

[0017] Specifically, the exhaust gas inlet pipe 109 is connected to the exhaust gas outlet of the activated carbon carbonization furnace, the exhaust gas outlet pipe 110 is connected to the next treatment equipment, the discharge pipe 106 is connected to the solvent recovery equipment, and the steam inlet pipe 112 is connected to the steam generator. During normal operation, the exhaust gas introduced into the recovery box 101 through the exhaust gas inlet pipe 109 first passes through the activated carbon bed 208, where organic matter such as flue gas particles generated by incomplete combustion is adsorbed and recovered. After filtering out the organic gases, the exhaust gas is introduced into the next waste gas treatment equipment through the exhaust gas outlet pipe 110. When the organic particles adsorbed in the activated carbon bed 208 are relatively saturated, high-temperature steam introduced through the steam inlet pipe 112 performs steam desorption. The steam droplets wrap around the organic particles and agglomerate into water droplets. After passing through the activated carbon bed 208, they form a desorption solvent and are discharged and recovered from the discharge pipe 106. After separation, some components of the solvent are recovered and reused.

[0018] Example 1 like Figure 1-3 As shown, in this embodiment, a discharge hopper 105 is fixedly installed at the bottom of the recycling bin 101. The bottom opening of the discharge hopper 105 is connected to the discharge pipe 106. A partition plate 107 is fixedly installed in the middle of the upper side of the recycling bin 101. Gas conveying hoods 108 are fixedly installed at both ends of the upper side of the recycling bin 101. The exhaust gas inlet pipe 109 and the exhaust gas outlet pipe 110 are fixedly connected to the upper openings of the gas conveying hoods 108 at both ends, respectively. A steam inlet hood 111 is fixedly installed in the middle of the upper side of the recycling bin 101. The upper side of the steam inlet hood 111 is connected to the steam inlet pipe 112. Electric valves 113 are fixedly installed at the ends of the discharge pipe 106, the exhaust gas inlet pipe 109, and the exhaust gas outlet pipe 110.

[0019] In this embodiment, during the exhaust gas flow process, the discharge pipe 106 and the steam inlet pipe 112 are closed by the electric valve 113, and the gas is guided through the activated carbon bed 208 by the gas conveying hood 108. During the steam desorption process, the exhaust gas inlet pipe 109 and the exhaust gas outlet pipe 110 are closed by the electric valve 113, and the high-pressure steam is diffused at the outlet by the steam inlet hood 111. The dripping solvent is guided into the discharge pipe 106 by the discharge hopper 105 for recovery.

[0020] Example 2 Based on Example 1, in order to compensate for the stubborn stains that are difficult to desorb by steam after long-term use of activated carbon bed 208, as well as wear and tear, regular maintenance of activated carbon bed 208 is required.

[0021] like Figure 3-4 As shown, in this embodiment, a carbon bed insertion port 102 is provided on the front side of the recycling box 101. Limiting strips 103 are fixedly installed on the inner sides and rear surface of the recycling box 101. Locking buckles 104 are fixedly installed on the upper and lower edges of both ends of the carbon bed insertion port 102. A base frame 205 is fixedly sleeved on the side surface of the activated carbon bed 208. A supplementary slot 209 is provided on the upper side of the activated carbon bed 208. A supplementary slot 209 is fixedly installed in the middle of the base frame 205. The partition slots 207 are interlocked with each other, and the partition slots 207 are slidably interlocked with the bottom of the partition plate 107. The side surface of the base frame 205 is provided with a limiting slot 206 that interlocks with the limiting strip 103. A mounting plate 201 is fixedly installed on the front side of the base frame 205. A pull handle 202 is fixedly installed in the middle of the front side of the mounting plate 201. A buckle 203 is rotatably installed at both ends of the front side of the mounting plate 201. A rotating handle 204 is fixedly installed at the lower end of the buckle 203.

[0022] In practice, the activated carbon bed 208 is limited by the base frame 205. The activated carbon bed 208 is inserted into the recycling box 101 at the carbon bed insertion port 102, and the mounting plate 201 is inserted into the carbon bed insertion port 102. Then, the lever 203 is rotated by the rotating handle 204, so that the upper and lower ends of the lever 203 are inserted into the locking buckles 104 on the upper and lower sides, which relatively locks the mounted organic gas recovery structure 2, giving the activated carbon bed 208 detachability and facilitating periodic replacement and cleaning.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An activated carbon carbonization tail gas recovery device, characterized in that, include: The gas flow structure (1) includes a recovery box (101), a discharge pipe (106) is fixedly installed at the bottom of the recovery box (101), a tail gas inlet pipe (109) is fixedly installed at one end of the upper side of the recovery box (101), a tail gas outlet pipe (110) is fixedly installed at the other end of the upper side of the recovery box (101), and a steam inlet pipe (112) is fixedly connected to the middle of the upper side of the recovery box (101). The organic gas recovery structure (2) includes an activated carbon bed (208) which is fitted into the middle of the recovery box (101); The recycling bin (101) has a charcoal bed insertion port (102) on the front side. Limiting strips (103) are fixedly installed on the inner sides and rear surface of the recycling bin (101). Locking buckles (104) are fixedly installed on the upper and lower edges of both ends of the charcoal bed insertion port (102). A base frame (205) is fixedly sleeved on the side surface of the activated carbon bed (208). A supplementary slot (209) is provided on the upper side of the activated carbon bed (208). A partition slot (207) that is engaged with the supplementary slot (209) is fixedly installed in the middle of the base frame (205). The partition slot (207) is slidably engaged with the bottom of the partition plate (107). A limiting slot (206) that is engaged with the limiting strip (103) is provided on the side surface of the base frame (205). A mounting plate (201) is fixedly installed on the front side of the base frame (205). A pull handle (202) is fixedly installed in the middle of the front side of the mounting plate (201). A buckle (203) is rotatably installed at both ends of the front side of the mounting plate (201). A rotating handle (204) is fixedly installed at the lower end of the buckle (203).

2. The activated carbon carbonization tail gas recovery equipment according to claim 1, characterized in that, The bottom of the recycling box (101) is fixedly installed with a discharge hopper (105), the bottom opening of the discharge hopper (105) is connected to the discharge pipe (106), a partition plate (107) is fixedly installed in the middle of the upper side of the recycling box (101), gas conveying hoods (108) are fixedly installed at both ends of the upper side of the recycling box (101), the exhaust gas inlet pipe (109) and the exhaust gas outlet pipe (110) are fixedly connected to the openings of the gas conveying hoods (108) at both ends, and a steam inlet hood (111) is fixedly installed in the middle of the upper side of the recycling box (101), the upper side of the steam inlet hood (111) is connected to the steam inlet pipe (112).

3. The activated carbon carbonization tail gas recovery equipment according to claim 2, characterized in that, Electric valves (113) are fixedly installed at the ends of the discharge pipe (106), the exhaust gas inlet pipe (109), and the exhaust gas outlet pipe (110).

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