CN216038672U - Equipment for simultaneously activating phosphoric acid and drying wet carbon - Google Patents
Equipment for simultaneously activating phosphoric acid and drying wet carbon Download PDFInfo
- Publication number
- CN216038672U CN216038672U CN202122102475.XU CN202122102475U CN216038672U CN 216038672 U CN216038672 U CN 216038672U CN 202122102475 U CN202122102475 U CN 202122102475U CN 216038672 U CN216038672 U CN 216038672U
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- Prior art keywords
- activation
- chamber
- drying
- chain
- heating chamber
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001035 drying Methods 0.000 title claims abstract description 71
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 42
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 19
- 230000003213 activating effect Effects 0.000 title claims description 17
- 230000004913 activation Effects 0.000 claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003610 charcoal Substances 0.000 claims abstract description 16
- 239000003546 flue gas Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011449 brick Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 24
- 239000002023 wood Substances 0.000 claims description 16
- 238000005338 heat storage Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000001994 activation Methods 0.000 description 67
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229960000907 methylthioninium chloride Drugs 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The equipment for simultaneously performing phosphoric acid activation and wet carbon drying comprises an activation heating chamber and a drying heating chamber which are built by refractory bricks, wherein the activation heating chamber is communicated with the drying heating chamber; annular chain plate conveying mechanisms are arranged in the activation chamber and the drying chamber, a transmission shaft is arranged between the shells, chain plate supporting chain wheels are arranged at two ends of the transmission shaft, transmission chains are arranged on the chain plate supporting chain wheels, the chain plates are connected through a series supporting shaft and are arranged on the transmission chains, a plurality of scraping plates vertical to the chain plates are welded on each chain plate at proper intervals in a staggered mode, and the scraping plates on two adjacent chain plates are arranged in a staggered mode with gaps; arranging exhaust ports of the activated tail gas and the moisture on the top of the activation chamber and the drying chamber; and one end of the activation chamber and one end of the drying chamber are respectively provided with a discharging screw, and a flue gas outlet is arranged below the drying charcoal discharging screw.
Description
Technical Field
The utility model relates to equipment for preparing activated carbon by a chemical method, in particular to equipment for simultaneously performing phosphoric acid activation and wet carbon drying.
Background
Currently, the activation process for manufacturing activated carbon by the phosphoric acid method is as follows: mixing and uniformly kneading raw material sawdust and an activating agent phosphoric acid solution, adding the mixture into an internal heating type rotary activation furnace, introducing flue gas generated by fuel combustion into the rotary activation furnace to heat the sawdust phosphoric acid mixture so as to achieve the purpose of activation, and drying and crushing activated carbon by independent drying equipment after washing the activated carbon to recover phosphoric acid. The activation of the wood chip phosphoric acid mixture is carried out in an internal heat type rotary activation furnace, heating flue gas and water vapor are mixed together and are discharged into the atmosphere after purification treatment, and a large amount of heat energy is wasted; the wet carbon drying after washing is finished in independent drying equipment, a large amount of heat energy also needs to be consumed, wood chip activation and wet carbon drying are two main high-energy-consumption processes in the process of producing the activated carbon, the heat energy consumption of activation and drying in the process of producing the activated carbon is reduced, the production cost of the activated carbon can be reduced, and therefore the economic benefit of the activated carbon product is improved. According to the background, the utility model is based on the innovation aim of reducing the heat energy consumption of the activation and drying processes, and invents equipment for simultaneously performing phosphoric acid activation and wet carbon drying.
SUMMERY OF THE UTILITY MODEL
The utility model discloses equipment for simultaneously performing phosphoric acid activation and wet carbon drying, which is characterized in that the appearance of a main body of the equipment is a cuboid and comprises a dried carbon discharging spiral (1), a wet carbon charging hopper (2), a wet carbon charging device (3), a flue gas discharging port (4), a drying heating chamber (5), a heat insulating layer (6), a drying chamber shell (7), a wet steam discharging port (8), a chain plate supporting chain wheel (9), an activated tail gas discharging port (10), an activation chamber shell (11), a chain plate (12), a scraping plate (13), an activation heating chamber (14), a gas burner (15), a wood chip charging hopper (16), a wood chip charging device (17), an activated carbon discharging spiral (18), a high-temperature-resistant bearing (19), a transmission chain wheel (20), a transmission shaft (21), a transmission chain (22), a temperature measuring thermocouple (23), an activation plate (24), a heat-storage refractory brick column (25) and a fulcrum shaft (26), the structural characteristics are as follows: the drying chamber shell (7) is connected with the activation chamber shell (11); a drying heating chamber (5) and an activation heating chamber (14) which are cuboid are built by high-aluminum refractory bricks, rectangular heat-storage refractory brick columns (25) are arranged in the drying heating chamber and the activation heating chamber according to an equilateral triangle, an activation plate (24) is laid above the drying heating chamber and the activation heating chamber, and the activation plate is made of heat-storage refractory materials by burning; an activation chamber is arranged above the activation material plate, the length of the activation chamber is 20-30 m, the width of the activation chamber is 1.0-1.5 m, a wood chip feeding hopper (16) is arranged at one end of the top of the activation chamber, and a rotary scraper type wood chip feeder (17) is arranged in the feeding hopper; set up the annular chain plate conveying mechanism who carries activation material in the activation room, its structural feature is: a transmission shaft (21) is arranged between the activation chamber shells (11) on two sides, the transmission shaft is arranged on the activation chamber shells (11) through a high-temperature-resistant bearing (19), chain plate supporting chain wheels (9) are arranged at two ends of the transmission shaft (21), a transmission chain (22) is arranged on the chain plate supporting chain wheels, the chain plates are connected through a series connection fulcrum shaft (26) and are arranged on the transmission chain, a plurality of scraping plates (13) which are vertical to the chain plates are welded on each chain plate at proper intervals in a staggered mode, the gap between the two scraping plates is 8-13 cm, the length of each scraping plate is 10-15 cm, the width of each scraping plate is 5-8 cm, and the scraping plates on two adjacent chain plates are arranged in a staggered mode; one end of one of the transmission shafts is provided with a transmission chain wheel (20), the transmission chain wheel is driven by a driving motor through a speed reducer through a chain to enable the chain plates (12) to do annular linear motion, a scraping plate on each chain plate can scrape and push the materials to be activated into the activation chamber at a constant speed, the materials are gradually scraped and pushed towards one end of a discharge hole of the activation chamber and play a role in stirring, and finally the materials fall into an activated carbon discharge spiral (18) and are driven by a speed regulating motor through the speed reducer to continuously discharge; the other end of the sawdust feeding hopper at the top of the activation chamber is provided with an activated tail gas outlet (10) which is guided into an activated tail gas purification device for treatment through a connecting pipeline; two temperature thermocouples (23) are respectively arranged at the positions of the bottom activating plates at the two sides of the activating chamber, which are close to the discharge port end, the middle part and the activated tail gas discharge port; the activation heating chamber (14) is communicated with the drying heating chamber (5) so as to continuously heat wet carbon in the drying chamber by using flue gas after the activation material plate is heated, and a flue gas outlet (4) is arranged below the dried carbon discharging spiral (1); a drying chamber shell (7) is arranged above the drying and heating chamber (5), the width and the height of the drying chamber are the same as those of the activation chamber, and an annular chain plate conveying mechanism for conveying wet carbon to be dried is arranged in the drying chamber shell and has the same structural characteristics as the annular chain plate conveying mechanism in the activation chamber shell; a wet carbon feeding hopper (2) is arranged at the end of a dried carbon discharging spiral (1) at the top of the drying chamber shell, and a rotary scraper type wet carbon feeder (3) is arranged in the wet carbon feeding hopper; a moisture exhaust port (8) is arranged at the top of the drying chamber shell close to the end of the activated tail gas exhaust port (10); the activation chamber shell and the parts of the annular chain plate conveying mechanism in the activation chamber are processed by corrosion-resistant and high-temperature-resistant stainless steel 310S; the drying chamber shell and the parts of the annular chain plate conveying mechanism in the drying chamber are processed by common stainless steel. The equipment for simultaneously activating the phosphoric acid and drying the wet carbon utilizes high-temperature flue gas generated by fuel combustion to heat the activating material and the wet carbon to be dried in sequence in an external heating mode, and simultaneously activates a mixture of the phosphoric acid and the wood chips and dries the high-moisture wet carbon.
Drawings
FIG. 1 is a schematic view of a front elevation sectional structure of the apparatus for simultaneously performing phosphoric acid activation and wet carbon drying according to the present invention, wherein 1 is a dried carbon discharging screw, 2 is a wet carbon charging hopper, 3 is a wet carbon feeder, 4 is a flue gas discharging port, 5 is a drying heating chamber, 6 is a heat insulating layer, 7 is a drying chamber shell, 8 is a moisture discharging port, 9 is a chain plate supporting chain wheel, 10 is an activated tail gas discharging port, 11 is an activation chamber shell, 12 is a chain plate, 13 is a scraping plate, 14 is an activation heating chamber, 15 is a gas burner, 16 is a wood chip charging hopper, 17 is a wood chip feeder, and 18 is an activated carbon discharging screw; FIG. 2 is a schematic sectional view of the section A-A in FIG. 1, in which 19 is a high temperature resistant bearing, 20 is a driving sprocket, 21 is a driving shaft, 22 is a driving chain, 23 is a temperature thermocouple, 24 is an activator plate, and the rest parts are as described above; FIG. 3 is a schematic cross-sectional view of the cross-section B-B of FIG. 1, with the parts illustrated above; FIG. 4 is a schematic sectional view of the cross section C-C in FIG. 1, with 25 being a heat-accumulating refractory brick column, and the remaining components being described above; fig. 5 is a schematic diagram of the arrangement of the scraper plates on the chain plates and the connection of the tandem fulcrum shaft and the driving chain, and 26 is the tandem fulcrum shaft.
Detailed Description
The equipment for simultaneously activating phosphoric acid and drying wet charcoal is used for activating and drying, and is described as follows by combining the attached drawing 1: the drying chamber shell (7) is connected with the activation chamber shell (11); an activation heating chamber (14) and a drying heating chamber (5) which are cuboid are built by refractory bricks, rectangular refractory brick columns (25) are arranged in the activation heating chamber and the drying heating chamber according to an equilateral triangle, and an activation material plate (24) is laid above the activation heating chamber; an activation chamber is arranged above the activation material plate, the length of the activation chamber is 20-30 m, the width of the activation chamber is 1.0-1.5 m, a wood chip feeding hopper (16) is arranged at one end of the top of the activation chamber, and a rotary scraper type wood chip feeder (17) is arranged in the feeding hopper; an annular chain plate conveying mechanism for conveying an activated material is arranged in an activation chamber, a transmission shaft (21) is arranged between activation chamber shells (11) on two sides, the transmission shaft is installed on the activation chamber shells (11) through a high-temperature-resistant bearing (19), chain plate supporting chain wheels (9) are installed at two ends of the transmission shaft (21), a transmission chain (22) is installed on the chain plate supporting chain wheels, the chain plates are connected through a series fulcrum shaft and installed on the transmission chain, a plurality of scraping plates (13) perpendicular to the chain plates are welded on each chain plate at proper intervals in a staggered mode, the gap between every two scraping plates is 8-13 cm, the length of each scraping plate is 10-15 cm, the width of each scraping plate is 5-8 cm, and the scraping plates on two adjacent chain plates are arranged in a staggered mode; an activated tail gas outlet (10) is arranged at the other end of the sawdust feeding hopper at the top of the activation chamber; two temperature thermocouples (23) are respectively arranged at the positions of the bottom activating plates at the two sides of the activating chamber, which are close to the discharge port end, the middle part and the activated tail gas discharge port; the activation heating chamber (14) is communicated with the drying heating chamber (5) so as to continuously heat wet charcoal in the drying chamber by using flue gas after the activation material plate is heated, and a flue gas outlet (4) is arranged below the dried charcoal discharging spiral (1); a drying chamber shell (7) is arranged above the drying heating chamber (5), and the width and the height of the drying chamber are the same as those of the activation chamber; an annular chain plate conveying mechanism for conveying wet carbon to be dried is arranged in the drying chamber shell, and the structure of the annular chain plate conveying mechanism is the same as that of the annular chain plate conveying mechanism in the activation chamber shell; a wet carbon feeding hopper (2) is arranged at the end of a dried carbon discharging spiral (1) at the top of the drying chamber shell, and a rotary scraper type wet carbon feeder (3) is arranged in the wet carbon feeding hopper; and a moisture exhaust port (8) is arranged at the top of the drying chamber shell close to the end of the activated tail gas exhaust port (10).
When the equipment for simultaneously performing phosphoric acid activation and wet carbon drying is heated, materials to be activated are added into a wood chip feeding hopper (16), an activated tail gas outlet (10) is closed, high-temperature flue gas generated by combustion of fuel gas through a fuel gas burner (15) passes through the whole heating chamber to heat a heat storage refractory brick column and an activation plate, and then is guided into waste heat utilization equipment from a flue gas outlet (4) at the other end of the heating chamber to be subjected to waste heat utilization and then is emptied through a chimney; when the temperature of the temperature measuring point of the activation chamber close to the discharge port reaches 500 ℃, opening an activated tail gas discharge port (10), starting a driving motor of a sawdust feeder (17), starting a chain plate driving motor in the activation chamber to enable a chain plate (12) to do annular linear motion, scraping a material to be activated by a scraping plate on the chain plate to scrape and push the material into the activation chamber at a constant speed, gradually scraping and pushing the material towards one end of the discharge port, heating and activating the activated material step by step, dropping the activated carbon into an activated carbon discharge spiral (18) from the discharge port, and driving the discharge spiral by a speed regulating motor through a speed reducer to continuously discharge; adjusting the gas quantity of the gas burner to keep the temperatures of three temperature measuring points at 300-500 ℃, and adjusting and determining the proper rotating speed of a chain plate driving motor according to the methylene blue adsorption value index condition of sampling detection on the activated carbon so as to enable the methylene blue adsorption value of the activated carbon to reach the required index; activated tail gas generated in the heating and activating process of the material is collected to an activated tail gas outlet (10) and is guided to activated tail gas purification equipment for treatment through a connecting pipeline. Thus, the activation operation of the activation material is completed.
Wet charcoal to be dried is added to an annular chain scraper conveyor in a drying chamber through a wet charcoal feeding hopper (2) and a wet charcoal feeder (3), a driving motor is started to enable the annular chain scraper conveyor to operate, a scraping plate on a chain scraper can scrape and push charcoal materials to the end of a dried charcoal discharging spiral (1), flue gas heats the charcoal materials to be dried through heat conduction of a bottom plate of the drying chamber, and finally, the dried charcoal materials drop into the dried charcoal discharging spiral to be continuously discharged, and according to the moisture requirement of the dried charcoal, the yield of the dried charcoal is adjusted by adjusting the rotating speed of the wet charcoal feeder (3) and the operating speed of the annular chain scraper conveyor in the drying chamber. Therefore, the flue gas is used for activating the sawdust phosphoric acid mixture through the heating and activating plate and then is used for drying the wet carbon in the reheating and drying chamber, and the sawdust phosphoric acid is activated while the drying operation on the wet carbon is completed.
Claims (1)
1. Carry out phosphoric acid activation and wet charcoal equipment of drying simultaneously, characterized by: the main body of the device is a cuboid, and comprises a dried carbon discharging screw (1), a wet carbon charging hopper (2), a wet carbon charging device (3), a flue gas outlet (4), a drying heating chamber (5), a heat insulating layer (6), a drying chamber shell (7), a wet steam outlet (8), a chain plate supporting chain wheel (9), an activated tail gas outlet (10), an activation chamber shell (11) and a chain plate (12), the device comprises a scraping plate (13), an activation heating chamber (14), a gas burner (15), a wood chip feeding hopper (16), a wood chip feeder (17), an activated carbon discharging screw (18), a high-temperature-resistant bearing (19), a transmission chain wheel (20), a transmission shaft (21), a transmission chain (22), a temperature measuring thermocouple (23), an activation plate (24) and a heat storage refractory brick column (25), wherein a drying chamber shell (7) is connected with an activation chamber shell (11); an activation heating chamber (14) and a drying heating chamber (5) which are cuboid are built by high-aluminum refractory bricks, rectangular heat-storage refractory brick columns (25) are arranged in the activation heating chamber and the drying heating chamber according to an equilateral triangle, and an activation material plate (24) is laid above the activation heating chamber; an activation chamber is arranged above the activation material plate, the length of the activation chamber is 20-30 m, the width of the activation chamber is 1.0-1.5 m, a wood chip feeding hopper (16) is arranged at one end of the top of the activation chamber, and a rotary scraper type wood chip feeder (17) is arranged in the feeding hopper; an annular chain plate conveying mechanism for conveying an activated material is arranged in an activation chamber, a transmission shaft (21) is arranged between activation chamber shells (11) on two sides, the transmission shaft is installed on the activation chamber shells (11) through a high-temperature-resistant bearing (19), chain plate supporting chain wheels (9) are installed at two ends of the transmission shaft (21), a transmission chain (22) is installed on the chain plate supporting chain wheels, the chain plates are connected through a series connection fulcrum shaft (26) and installed on the transmission chain, a plurality of scraping plates (13) which are perpendicular to the chain plates are welded on each chain plate at proper intervals in a staggered mode, the gap between every two scraping plates is 8-13 cm, the length of each scraping plate is 10-15 cm, the width of each scraping plate is 5-8 cm, and the scraping plates on two adjacent chain plates are arranged in a staggered mode; an activated tail gas outlet (10) is arranged at the other end of the sawdust feeding hopper at the top of the activation chamber; two temperature thermocouples (23) are respectively arranged at the positions of the bottom activating plates at the two sides of the activating chamber, which are close to the discharge port end, the middle part and the activated tail gas discharge port; the activation heating chamber (14) is communicated with the drying heating chamber (5), and a flue gas discharge port (4) is arranged below the dried carbon discharge spiral (1); a drying chamber shell (7) is arranged above the drying heating chamber (5), and the width and the height of the drying chamber are the same as those of the activation chamber; an annular chain plate conveying mechanism for conveying wet carbon to be dried is arranged in the drying chamber shell, and the structure of the annular chain plate conveying mechanism is the same as that of the annular chain plate conveying mechanism in the activation chamber shell; a wet carbon feeding hopper (2) is arranged at the end of a dried carbon discharging spiral (1) at the top of the drying chamber shell, and a rotary scraper type wet carbon feeder (3) is arranged in the wet carbon feeding hopper; and a moisture exhaust port (8) is arranged at the top of the drying chamber shell close to the end of the activated tail gas exhaust port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102475.XU CN216038672U (en) | 2021-08-26 | 2021-08-26 | Equipment for simultaneously activating phosphoric acid and drying wet carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102475.XU CN216038672U (en) | 2021-08-26 | 2021-08-26 | Equipment for simultaneously activating phosphoric acid and drying wet carbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216038672U true CN216038672U (en) | 2022-03-15 |
Family
ID=80596861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122102475.XU Expired - Fee Related CN216038672U (en) | 2021-08-26 | 2021-08-26 | Equipment for simultaneously activating phosphoric acid and drying wet carbon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216038672U (en) |
-
2021
- 2021-08-26 CN CN202122102475.XU patent/CN216038672U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |