CN115069058A - Pyrolysis oven catalytic system - Google Patents
Pyrolysis oven catalytic system Download PDFInfo
- Publication number
- CN115069058A CN115069058A CN202210863904.1A CN202210863904A CN115069058A CN 115069058 A CN115069058 A CN 115069058A CN 202210863904 A CN202210863904 A CN 202210863904A CN 115069058 A CN115069058 A CN 115069058A
- Authority
- CN
- China
- Prior art keywords
- carbon monoxide
- air pipe
- outlet
- shell
- pyrolysis furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a pyrolysis furnace catalytic system, and belongs to the technical field of flue gas purification treatment. Comprises a pyrolysis furnace, a heat collection air pipe, a cold air pipe, a hot air pipe and a carbon monoxide heat energy catalyst; the heat collecting air pipe surrounds the outer wall of the pyrolysis furnace, one end of the cold air pipe is connected with the inlet end of the heat collecting air pipe, and the other end of the cold air pipe is a cold air inlet; one end of the hot air pipe is connected with the outlet end of the heat collection air pipe, and the other end of the hot air pipe is connected with the carbon monoxide heat energy catalyst; the carbon monoxide thermal energy catalyst comprises a shell and a heat conduction pipe set; a catalytic reaction cavity is arranged in the shell, and the components of the heat conduction pipe are distributed in the catalytic reaction cavity; the lower part of the shell is provided with a flue gas inlet and a filler outlet; the upper part of the shell is provided with a flue gas outlet and a filler inlet; the catalytic reaction cavity is filled with a carbon monoxide catalyst. The technical problems that the carbon monoxide concentration is low, the flue gas flow rate is high and the carbon monoxide catalytic reaction is not utilized due to the fact that hot air is blown into the main reaction tower to heat the carbon monoxide catalytic converter are solved.
Description
Technical Field
The invention relates to the technical field of flue gas purification treatment, in particular to a catalytic system of a pyrolysis furnace.
Background
The pyrolysis furnace is the best equipment for cleaning returned workpieces and organic matter coatings on hangers on a coating line and recovering materials such as electric wires, cables, motors and the like by using a thermal oxidation principle. Compared with mechanical, chemical and incineration treatment, the high-temperature pyrolysis furnace has the advantages that no deformation, no damage to base metal and no annealing phenomenon are caused to reworked parts or recycled parts, and meanwhile, the treatment cost is low, the efficiency is high, and no pollution is caused. Has great application prospect in the industries of household appliances, automobiles, motorcycles, bicycles, furniture, waste metal recovery and the like. The flue gas is generally generated by burning fuel in the pyrolysis furnace, and because the fuel cannot be completely and fully burnt, the flue gas contains a certain amount of carbon monoxide. Carbon monoxide is a colorless, odorless and nonirritating gas; the solubility in water is very low, and the water is extremely insoluble; the explosion limit of the mixture with air is 12.5 to 74.2 percent; carbon monoxide is easy to combine with hemoglobin to form carboxyhemoglobin, so that the hemoglobin loses the oxygen carrying capacity and function, and the tissues are suffocated and die when the oxygen carrying capacity and function are serious; carbon monoxide has toxic effects on systemic histiocytes, and especially on the cerebral cortex. Therefore, the direct emission of carbon monoxide is very polluting to the environment.
In traditional flue gas carbon monoxide denitration treatment process, need additionally to heat the carbon monoxide catalyst converter through outside heating system, after the catalyst intensification of carbon monoxide catalyst converter, carbon monoxide and the oxygen combined reaction in the flue gas generate carbon dioxide, realize flue gas carbon monoxide denitration technology. The carbon monoxide catalytic converter is heated by an external heating system, extra energy consumption is needed, and energy waste and cost increase are caused. Application number is CN 201911074332.3's a system and method that carbon monoxide denitration was taken off to heat transfer formula flue gas, this patent will carry out the hot-air behind the indirect heat transfer with the hot-blast that the hot-blast furnace produced and let in main reaction tower, clean hot-air heats the CO catalyst in to main reaction tower, compare in the hot-blast CO catalyst that heats that produces with the hot-blast furnace, the technical scheme of this application passes through the high-temperature gas heat transfer that the hot-blast furnace produced after and conducts heat for clean air, then utilize the air heating CO catalyst that catches up, sulfur dioxide is to the influence of CO catalyst in the hot-blast furnace burning production flue gas has been avoided, this patent scheme can utilize the heat energy that the hot-blast furnace produced, reduce the extra consumption of the energy, the problem that the CO catalyst meets oxysulfide and poisons inefficacy in the low temperature state has also been avoided. However, this solution has problems that hot air is blown into the main reaction tower, so that the flue gas with carbon monoxide is mixed with the hot air, the carbon monoxide concentration is low, and the catalytic reaction rate is low; and the flowing speed of the flue gas with the carbon monoxide is increased by the blown hot air, the speed of the carbon monoxide from the outlet to the inlet in the main reaction tower is increased, the time of the carbon monoxide in the main reaction tower is shortened, and the full progress of the carbon monoxide denitration catalytic reaction is not utilized.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a catalytic system for a pyrolysis furnace, which solves the problems that the concentration of carbon monoxide is low, the flow rate of flue gas is high, and the sufficient progress of the catalytic reaction of carbon monoxide is not facilitated, which are caused when hot air is blown into a main reaction tower to heat a carbon monoxide catalyst.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a pyrolysis furnace catalytic system comprises a pyrolysis furnace, a heat collection air pipe, a cold air pipe, a hot air pipe and a carbon monoxide heat energy catalyst; the heat collection air pipe surrounds the outer wall of the pyrolysis furnace, one end of the cold air pipe is connected with the inlet end of the heat collection air pipe, and the other end of the cold air pipe is a cold air inlet; one end of the hot air pipe is connected with the outlet end of the heat collection air pipe, and the other end of the hot air pipe is connected with the carbon monoxide heat energy catalyst; the carbon monoxide thermal energy catalyst comprises a shell and a heat conduction pipe group; a catalytic reaction cavity is arranged in the shell, the heat conduction pipe sets are distributed in the catalytic reaction cavity, the inlet ends of the heat conduction pipe sets are connected with the hot air pipes, and the outlet ends of the heat conduction pipe sets are positioned outside the shell; a smoke inlet is formed in one side of the lower portion of the shell, a separation net is arranged on the upper cover of the smoke inlet, a filler outlet is formed in the other side of the lower portion of the shell, and a switch is arranged on the filler outlet; the upper part of the shell is provided with a flue gas outlet and a filler inlet; the flue gas inlet, the filler outlet, the flue gas outlet and the filler inlet are communicated with the catalytic reaction cavity; and a carbon monoxide catalyst is filled in the catalytic reaction cavity.
Furthermore, the heat conduction pipe set comprises a plurality of transverse pipes, a plurality of longitudinal pipes and a plurality of vertical pipes, the transverse pipes, the longitudinal pipes and the vertical pipes are perpendicular to each other and are connected with each other to form a cubic frame structure, and the transverse pipes, the longitudinal pipes and the vertical pipes are communicated with each other.
Furthermore, the inlet end of the heat conduction pipe set is positioned in the middle of the longitudinal pipe on the edge of the cubic frame structure, and the outlet end of the heat conduction pipe set is positioned in the middle of the longitudinal pipe on the other edge farthest from the edge where the inlet end is positioned.
Furthermore, the heat collection air pipes are annular, the number of the heat collection air pipes is multiple, and the multiple heat collection air pipes are coiled on the outer wall of the pyrolysis furnace along with the shape.
Further, the end part of the cold air pipe is provided with an air blower.
Furthermore, the carbon monoxide thermal energy catalytic converter also comprises a continuous material changing structure, the continuous material changing structure comprises a partition plate, a rotating grid and a driving device, the partition plate is erected at the lower part of the catalytic reaction cavity to enable the catalytic reaction cavity to be divided into a material outlet cavity, a material outlet is formed in the partition plate, and the material outlet is positioned right above the flue gas outlet; the rotary grid is disc-shaped, a plurality of discharging grids which are communicated up and down are arranged on the periphery of the rotary grid, the rotary grid is connected with the shell in a rotating mode, the driving device drives the rotary grid to rotate, and the discharging grids can move repeatedly between the flue gas inlet and the filler outlet.
Furthermore, an installation shaft is arranged in the middle of the rotating grillwork, and the installation shaft is rotatably connected with the bottom of the shell and the partition plate.
Furthermore, a gearwheel is coaxially and fixedly arranged on the mounting shaft, the driving device is arranged at the bottom of the shell, and the output of the driving device is fixedly arranged on a pinion meshed with the gearwheel.
Furthermore, annular guide grooves are formed in the bottom of the shell and the lower end face of the partition plate, the upper portion of the discharging grid is clamped in the annular guide groove in the lower end face of the partition plate in a sliding mode, and the lower portion of the discharging grid is clamped in the annular guide groove in the bottom of the shell in a sliding mode.
Further, a spare outlet is arranged on the side part of the shell, and a side cover is detachably arranged on the spare outlet.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. when the device is used, cold air is blown to the heat collection air pipe from the cold air pipe, the heat collection air pipe is connected with the pyrolysis furnace, the temperature of the pyrolysis furnace is high, the hot air is guided to the carbon monoxide thermal energy catalyst through the hot air pipe after the cold air is heated in the heat collection air pipe, and when the hot air is blown into the carbon monoxide thermal energy catalyst, the hot air enters the heat conduction pipe set and is heated by the contact of the carbon monoxide catalyst heat conduction pipe set in the catalytic reaction cavity; the flue gas enters the catalytic reaction cavity from the flue gas inlet, carbon monoxide is catalyzed into carbon dioxide after contacting with the heated carbon monoxide catalyst, and then the carbon dioxide flows out from the flue gas outlet; the carbon monoxide catalyst can be put in from the filler inlet and leaks out from the filler outlet when being replaced. Based on the above, the heat outside the pyrolysis furnace is recycled through the heat collection air pipe, the cold air pipe and the hot air pipe, the carbon monoxide catalyst is heated through the heat conduction pipe set, and hot air does not need to be blown into the catalytic reaction cavity, so that the technical problems that the carbon monoxide concentration is low, the smoke flowing speed is high and the carbon monoxide catalytic reaction is not sufficiently performed due to the fact that the hot air is blown into the main reaction tower to heat the carbon monoxide catalyst are solved.
2. The heat conduction pipe group forming the cubic frame structure is arranged, so that the heat conduction pipe group can be dispersedly arranged in the catalytic reaction cavity, a carbon monoxide catalyst in the catalytic reaction cavity is heated more uniformly, the phenomenon that the carbon monoxide catalyst is heated non-uniformly to cause insufficient reaction of catalytic reaction is prevented, and the reliability of the device is improved.
3. The invention can heat the hot air with high efficiency by arranging a plurality of heat collecting air pipes; by providing the blower, the temperature in the carbon monoxide thermal energy catalyst can be controlled by controlling the blowing size of the blower.
4. According to the invention, by arranging the continuous material changing structure, the carbon monoxide catalyst near the flue gas inlet can be preferentially discharged from the filler outlet without stopping, and new carbon monoxide catalyst is added from the filler inlet, so that the online continuous material changing of the carbon monoxide thermal energy catalyst is realized conveniently.
5. The annular guide groove is arranged, so that the rotation of the discharging grid can be facilitated, the carbon monoxide catalyst in the discharging grid can be prevented from falling out from a gap between the upper part and the lower part of the discharging grid, and the reliability is improved.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Fig. 2 is a side view structural diagram of the carbon monoxide thermal catalytic converter in embodiment 1 (hiding a side panel of the housing).
Fig. 3 is a three-dimensional structure diagram (hiding a side plate of the housing) of the carbon monoxide thermal energy catalytic converter in embodiment 1 of the present invention.
Fig. 4 is an internal structure view of the housing (hiding a side plate of the housing) in embodiment 2 of the present invention.
Fig. 5 is a three-dimensional view of a continuous refueling structure mounting structure according to embodiment 2 of the present invention (in which a side plate, a partition plate and a rotating grid of a hidden casing are partially cut).
Fig. 6 is a three-dimensional structural view of a rotating grid according to embodiment 2 of the present invention.
In the attached drawing, 1-a pyrolysis furnace, 2-a heat collection air pipe, 3-a cold air pipe, 4-a hot air pipe, 5-a carbon monoxide heat energy catalyst, 6-a blower, 51-a shell, 52-a heat conduction pipe set, 53-a continuous material changing structure, 511-a catalytic reaction cavity, 512-a flue gas inlet, 513-a separation net, 514-a filler outlet, 515-a flue gas outlet, 516-a switch, 517-a filler inlet, 518-a side cover, 521-a horizontal pipe, 522-a longitudinal pipe, 523-a vertical pipe, 531-a partition board, 532-a rotating grid, 533-a driving device, 534-a discharge hole, 535-a discharge grid, 536-a mounting shaft, 537-a large gear, 538-a pinion and 539-an annular guide groove.
Detailed Description
The following description of the embodiments of the invention is provided in connection with the accompanying drawings.
Example 1
Referring to fig. 1 to 3, a carbon monoxide catalytic system of a pyrolysis furnace includes a pyrolysis furnace 1, a heat collecting air duct 2, a cold air duct 3, a hot air duct 4, and a carbon monoxide thermal energy catalyst 5; the heat collection air pipe 2 surrounds the outer wall of the pyrolysis furnace 1, one end of the cold air pipe 3 is connected with the inlet end of the heat collection air pipe 2, and the other end of the cold air pipe 3 is a cold air inlet; one end of the hot air pipe 4 is connected with the outlet end of the heat collection air pipe 2, and the other end of the hot air pipe 4 is connected with the carbon monoxide heat energy catalyst 5; the carbon monoxide thermal energy catalyst 5 comprises a shell 51 and a heat conduction pipe group 52; a catalytic reaction chamber 511 is arranged in the shell 51, the heat pipe groups 52 are distributed in the catalytic reaction chamber 511, the inlet ends of the heat pipe groups 52 are connected with the hot air pipe 4, and the outlet ends of the heat pipe groups 52 are positioned outside the shell 51; a flue gas inlet 512 is formed in one side of the lower portion of the shell 51, a separation net 513 is arranged on the upper cover of the flue gas inlet 512, a filler outlet 514 is formed in the other side of the lower portion of the shell 51, and a switch 516 is arranged on the filler outlet 514; the upper part of the shell 51 is provided with a flue gas outlet 515 and a filler inlet 517; the flue gas inlet 512, the filler outlet 514, the flue gas outlet 515 and the filler inlet 517 are all communicated with the catalytic reaction cavity 511; the catalytic reaction chamber 511 is filled with a carbon monoxide catalyst. Specifically, the carbon monoxide catalysts are granular, gaps among the granular carbon monoxide catalysts can be used for flue gas to pass through, carbon monoxide catalyst particles are larger than through holes of the separation net 513, and the carbon monoxide catalyst particles cannot fall out of the separation net 513.
When the device is used, cold air is blown to the heat collection air pipe 2 from the cold air pipe 3, the heat collection air pipe 2 is connected with the pyrolysis furnace 1, the pyrolysis furnace 1 is high in temperature, after the cold air is heated in the heat collection air pipe 2, hot air is guided to the carbon monoxide heat energy catalyst 5 through the hot air pipe 4, when the hot air is blown into the carbon monoxide heat energy catalyst 5, the hot air enters the heat conduction pipe set 52, and the carbon monoxide catalyst in the catalytic reaction cavity 511 is heated due to the contact with the heat conduction pipe set 52; the flue gas enters the catalytic reaction cavity 511 from the flue gas inlet 512, carbon monoxide is catalyzed into carbon dioxide after contacting with the heated carbon monoxide catalyst, and then the carbon dioxide flows out from the flue gas outlet 515; carbon monoxide catalyst can be placed in packing inlet 517 and leaked out of packing outlet 514 for replacement.
In this embodiment, the heat conducting pipe set 52 includes a plurality of horizontal pipes 521, a plurality of vertical pipes 522, and a plurality of vertical pipes 523, the horizontal pipes 521, the vertical pipes 522, and the vertical pipes 523 are perpendicular to each other and are connected to each other to form a cubic frame structure, and the horizontal pipes 521, the vertical pipes 522, and the vertical pipes 523 are communicated with each other. The inlet end of heat pipe set 52 is located in the middle of longitudinal pipe 522 at an edge of the cubic frame structure, and the outlet end of heat pipe set 52 is located in the middle of longitudinal pipe 522 at the other edge farthest from the edge where the inlet end is located. By arranging the heat conduction pipe sets 52 forming a cubic frame structure, the heat conduction pipe sets 52 can be dispersedly arranged in the catalytic reaction cavity 511, so that the carbon monoxide catalyst in the catalytic reaction cavity 511 is heated more uniformly, the insufficient reaction of the catalytic reaction caused by the nonuniform heating of the carbon monoxide catalyst is prevented, and the reliability of the device is improved. The heat collection air pipes 2 are annular, the number of the heat collection air pipes 2 is multiple, and the heat collection air pipes 2 are coiled on the outer wall of the pyrolysis furnace 1 along with the shape. Through being provided with a plurality of thermal-arrest tuber pipes 2, can hot-blast heating efficiency. The end part of the cold air pipe 3 is provided with an air blower 6; by providing the blower 6, the temperature inside the carbon monoxide thermal catalyst 5 can be controlled by controlling the blowing amount of the blower 6.
Example 2
Referring to fig. 1, 4, 5 and 6, a carbon monoxide catalytic system of a pyrolysis furnace includes a pyrolysis furnace 1, a heat collecting air duct 2, a cold air duct 3, a hot air duct 4 and a carbon monoxide thermal energy catalyst 5; the heat collection air pipe 2 surrounds the outer wall of the pyrolysis furnace 1, one end of the cold air pipe 3 is connected with the inlet end of the heat collection air pipe 2, and the other end of the cold air pipe 3 is a cold air inlet; one end of the hot air pipe 4 is connected with the outlet end of the heat collection air pipe 2, and the other end of the hot air pipe 4 is connected with the carbon monoxide heat energy catalyst 5; the carbon monoxide thermal energy catalyst 5 comprises a shell 51, a heat pipe group 52 and a continuous refueling structure 53; a catalytic reaction chamber 511 is arranged in the shell 51, the heat pipe groups 52 are distributed in the catalytic reaction chamber 511, the inlet ends of the heat pipe groups 52 are connected with the hot air pipe 4, and the outlet ends of the heat pipe groups 52 are positioned outside the shell 51; a flue gas inlet 512 is formed in one side of the lower portion of the shell 51, a separation net 513 is arranged on the upper cover of the flue gas inlet 512, a filler outlet 514 is formed in the other side of the lower portion of the shell 51, and a switch 516 is arranged on the filler outlet 514; the upper part of the shell 51 is provided with a flue gas outlet 515 and a filler inlet 517; the flue gas inlet 512, the filler outlet 514, the flue gas outlet 515 and the filler inlet 517 are all communicated with the catalytic reaction cavity 511. The continuous material changing structure 53 comprises a partition 531, a rotating grid 532 and a driving device 533, wherein the partition 531 is erected at the lower part of the catalytic reaction chamber 511 to divide the catalytic reaction chamber 511 into a material outlet chamber, a material outlet hole 534 is arranged on the partition 531, and the material outlet hole 534 is positioned right above the flue gas outlet 515; the rotating grillwork 532 is in a disc shape, a plurality of discharging grids 535 which are communicated up and down are arranged on the periphery of the rotating grillwork 532, the rotating grillwork 532 is rotationally connected with the shell 51, the driving device 533 drives the rotating grillwork 532 to rotate, and the discharging grids 535 can move repeatedly between the flue gas inlet 512 and the filler outlet 514. The catalytic reaction cavity 511 is filled with a carbon monoxide catalyst, and the carbon monoxide catalyst is positioned above the partition plate 531; specifically, the carbon monoxide catalysts are granular, gaps among the granular carbon monoxide catalysts can be used for flue gas to pass through, carbon monoxide catalyst particles are larger than through holes of the separation net 513, and the carbon monoxide catalyst particles cannot fall out of the separation net 513.
When the device is used, cold air is blown to the heat collection air pipe 2 from the cold air pipe 3, the heat collection air pipe 2 is connected with the pyrolysis furnace 1, the pyrolysis furnace 1 is high in temperature, after the cold air is heated in the heat collection air pipe 2, hot air is guided to the carbon monoxide heat energy catalyst 5 through the hot air pipe 4, when the hot air is blown into the carbon monoxide heat energy catalyst 5, the hot air enters the heat conduction pipe set 52, and the carbon monoxide catalyst heat conduction pipe set 52 in the catalytic reaction cavity 511 is contacted and heated; the flue gas enters the catalytic reaction cavity 511 from the flue gas inlet 512, carbon monoxide is catalyzed into carbon dioxide after contacting with the heated carbon monoxide catalyst, and then the carbon dioxide flows out from the flue gas outlet 515; carbon monoxide catalyst can be placed in packing inlet 517 and leaked out packing outlet 514 when replaced. By providing the continuous refueling structure 53, it is possible to feed new carbon monoxide catalyst from the filler inlet 517 while preferentially discharging the carbon monoxide catalyst located near the flue gas inlet 512 from the filler outlet 514 without stopping the machine, and thus it is possible to continuously replenish the carbon monoxide thermal catalyst 5 in an online state. The specific working principle of the continuous material changing structure 53 is that the driving device 533 drives the rotating lattice 532 to rotate, when the discharging lattice 535 rotates below the discharging hole 534, the carbon monoxide catalyst fills the discharging lattice 535 below the discharging hole 534, the rotating lattice 532 rotates to continue rotating, when the discharging lattice 535 rotates above the filling outlet 514, the carbon monoxide catalyst in the discharging lattice 535 above the filling outlet 514 falls out from the filling outlet 514, and the continuous material changing of the carbon monoxide thermal energy catalyst 5 is realized through the circulation and repetition.
In this embodiment, the heat conducting pipe set 52 includes a plurality of horizontal pipes 521, a plurality of vertical pipes 522, and a plurality of vertical pipes 523, the horizontal pipes 521, the vertical pipes 522, and the vertical pipes 523 are perpendicular to each other and are connected to each other to form a cubic frame structure, and the horizontal pipes 521, the vertical pipes 522, and the vertical pipes 523 are communicated with each other. The inlet end of heat pipe set 52 is located in the middle of longitudinal pipe 522 at an edge of the cubic frame structure, and the outlet end of heat pipe set 52 is located in the middle of longitudinal pipe 522 at the other edge farthest from the edge where the inlet end is located. By providing the heat conduction pipe group 52 forming a cubic frame structure, the heat conduction pipe group can be dispersedly arranged in the catalytic reaction chamber 511, so that the carbon monoxide catalyst in the catalytic reaction chamber 511 can be heated more uniformly, the insufficient reaction of the catalytic reaction caused by the nonuniform heating of the carbon monoxide catalyst can be prevented, and the reliability of the device can be improved. The heat collection air pipes 2 are annular, the number of the heat collection air pipes 2 is multiple, and the heat collection air pipes 2 are coiled on the outer wall of the pyrolysis furnace 1 along with the shape. Through being provided with a plurality of thermal-arrest tuber pipes 2, can hot-blast heating efficiency. The end part of the cold air pipe 3 is provided with an air blower 6; by providing the blower 6, the temperature inside the carbon monoxide thermal energy catalyst 5 can be controlled by controlling the blowing amount of the blower 6.
In this embodiment, the middle of the rotating grid 532 is provided with a mounting shaft 536, and the mounting shaft 536 is rotatably connected with the bottom of the housing 51 and the partition 531. A large gear 537 is coaxially fixed on the mounting shaft 536, a driving device 533 is mounted on the bottom of the housing 51, and an output of the driving device 533 is fixedly mounted on a small gear 538 engaged with the large gear 537. The housing 51 is provided with a spare outlet (not shown) at a side thereof, and the spare outlet (not shown) is detachably provided with a side cover 518. A spare outlet (not shown) is provided to allow manual removal of the carbon monoxide catalyst for temporary use in the event of a failure of the continuous feed changer 53. The lower end surface of the spare outlet (not shown) may be flush with the upper end surface of the partition 531, which may facilitate the discharge of the carbon monoxide catalyst. Annular guide grooves 539 are formed in the bottom of the shell 51 and the lower end face of the partition 531, the upper portion of the discharge grid 535 is slidably clamped in the annular guide groove 539 in the lower end face of the partition 531, and the lower portion of the discharge grid 535 is slidably clamped in the annular guide groove 539 in the bottom of the shell 51; through being provided with annular guide slot 539, can do benefit to the rotation of ejection of compact check 535, can prevent that the carbon monoxide catalyst in the ejection of compact check 535 from falling out from the upper and lower clearance of ejection of compact check 535, improve the reliability.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. A pyrolysis furnace catalytic system, which is characterized in that: comprises a pyrolysis furnace, a heat collection air pipe, a cold air pipe, a hot air pipe and a carbon monoxide heat energy catalyst; the heat collection air pipe surrounds the outer wall of the pyrolysis furnace, one end of the cold air pipe is connected with the inlet end of the heat collection air pipe, and the other end of the cold air pipe is a cold air inlet; one end of the hot air pipe is connected with the outlet end of the heat collection air pipe, and the other end of the hot air pipe is connected with the carbon monoxide heat energy catalyst; the carbon monoxide thermal energy catalyst comprises a shell and a heat conduction pipe set; a catalytic reaction cavity is arranged in the shell, the heat conduction pipe sets are distributed in the catalytic reaction cavity, the inlet ends of the heat conduction pipe sets are connected with the hot air pipes, and the outlet ends of the heat conduction pipe sets are positioned outside the shell; a smoke inlet is formed in one side of the lower portion of the shell, a separation net is arranged on the upper cover of the smoke inlet, a filler outlet is formed in the other side of the lower portion of the shell, and a switch is arranged on the filler outlet; the upper part of the shell is provided with a flue gas outlet and a filler inlet; the flue gas inlet, the filler outlet, the flue gas outlet and the filler inlet are communicated with the catalytic reaction cavity; and a carbon monoxide catalyst is filled in the catalytic reaction cavity.
2. A pyrolysis furnace catalytic system according to claim 1, wherein: the heat conduction pipe set comprises a plurality of transverse pipes, a plurality of longitudinal pipes and a plurality of vertical pipes, the transverse pipes, the longitudinal pipes and the vertical pipes are perpendicular to each other and are connected with each other to form a cubic frame structure, and the transverse pipes, the longitudinal pipes and the vertical pipes are communicated with each other.
3. A pyrolysis furnace catalytic system according to claim 2, wherein: the inlet end of the heat conduction pipe set is positioned in the middle of the longitudinal pipe on the edge of the cubic frame structure, and the outlet end of the heat conduction pipe set is positioned in the middle of the longitudinal pipe on the other edge farthest from the edge where the inlet end is positioned.
4. A pyrolysis furnace catalytic system according to claim 1, wherein: the heat collection air pipes are annular, the number of the heat collection air pipes is multiple, and the heat collection air pipes are coiled on the outer wall of the pyrolysis furnace along with the shape.
5. A pyrolysis furnace catalytic system according to claim 1, wherein: and an air blower is arranged at the end part of the cold air pipe.
6. A pyrolysis furnace catalytic system according to claim 1, wherein: the carbon monoxide heat energy catalytic converter also comprises a continuous material changing structure, the continuous material changing structure comprises a partition plate, a rotating grid and a driving device, the partition plate is erected at the lower part of the catalytic reaction cavity to enable the catalytic reaction cavity to be divided into a material outlet cavity, and a material outlet is formed in the partition plate and is positioned right above the flue gas outlet; the rotary grid is disc-shaped, a plurality of discharging grids which are communicated up and down are arranged on the periphery of the rotary grid, the rotary grid is connected with the shell in a rotating mode, the driving device drives the rotary grid to rotate, and the discharging grids can move repeatedly between the flue gas inlet and the filler outlet.
7. A pyrolysis furnace catalytic system according to claim 6, wherein: the middle of the rotating grillwork is provided with an installation shaft, and the installation shaft is rotatably connected with the bottom of the shell and the partition plate.
8. A pyrolysis furnace catalytic system according to claim 7, wherein: the installation epaxial coaxial fixed gear wheel of having installed, drive arrangement installs the casing bottom, drive arrangement's output is fixed install with gear wheel mesh's pinion.
9. A pyrolysis furnace catalytic system according to claim 6, wherein: the bottom of the shell and the lower end face of the partition plate are both provided with annular guide grooves, the upper portion of the discharging grid is slidably clamped in the annular guide grooves of the lower end face of the partition plate, and the lower portion of the discharging grid is slidably clamped in the annular guide grooves of the bottom of the shell.
10. A pyrolysis furnace catalytic system according to claim 6, wherein: the shell side is provided with a spare outlet, and the spare outlet is detachably provided with a side cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863904.1A CN115069058A (en) | 2022-07-20 | 2022-07-20 | Pyrolysis oven catalytic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863904.1A CN115069058A (en) | 2022-07-20 | 2022-07-20 | Pyrolysis oven catalytic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115069058A true CN115069058A (en) | 2022-09-20 |
Family
ID=83242835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210863904.1A Pending CN115069058A (en) | 2022-07-20 | 2022-07-20 | Pyrolysis oven catalytic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115069058A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005034708A (en) * | 2003-07-17 | 2005-02-10 | Sefutetsuku:Kk | Treatment/removal device for carbon monoxide and others |
| JP2008055381A (en) * | 2006-09-01 | 2008-03-13 | Mizue Shokai:Kk | Pyrolysis furnace |
| WO2009150857A1 (en) * | 2008-06-13 | 2009-12-17 | 黒澤弘 | Pyrolyzer and organic-substance treatment apparatus equipped therewith |
| CN208124647U (en) * | 2018-03-30 | 2018-11-20 | 上海康达新能源材料有限公司 | Stereoscopic graticule rack-like heating-pipe structure and heating device comprising the heating-pipe structure |
| CN110420640A (en) * | 2019-06-26 | 2019-11-08 | 山东大学 | Smoke catalytic agent, various pollutants in fume collaboration processing unit and method |
| CN112403223A (en) * | 2019-11-06 | 2021-02-26 | 中冶长天国际工程有限责任公司 | Heat exchange type system and method for removing carbon monoxide and denitration from flue gas |
| CN212829205U (en) * | 2020-08-26 | 2021-03-30 | 湖南五指峰生化有限公司 | Metering device is used to animal remedy packing |
| CN215654705U (en) * | 2021-08-24 | 2022-01-28 | 北京高麦克仪器科技有限公司 | Nitrogen purifier |
| CN114317025A (en) * | 2021-11-30 | 2022-04-12 | 南京林业大学 | Tar thermocatalytic cracking device and continuous gasification and regeneration method of catalyst |
-
2022
- 2022-07-20 CN CN202210863904.1A patent/CN115069058A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005034708A (en) * | 2003-07-17 | 2005-02-10 | Sefutetsuku:Kk | Treatment/removal device for carbon monoxide and others |
| JP2008055381A (en) * | 2006-09-01 | 2008-03-13 | Mizue Shokai:Kk | Pyrolysis furnace |
| WO2009150857A1 (en) * | 2008-06-13 | 2009-12-17 | 黒澤弘 | Pyrolyzer and organic-substance treatment apparatus equipped therewith |
| CN208124647U (en) * | 2018-03-30 | 2018-11-20 | 上海康达新能源材料有限公司 | Stereoscopic graticule rack-like heating-pipe structure and heating device comprising the heating-pipe structure |
| CN110420640A (en) * | 2019-06-26 | 2019-11-08 | 山东大学 | Smoke catalytic agent, various pollutants in fume collaboration processing unit and method |
| CN112403223A (en) * | 2019-11-06 | 2021-02-26 | 中冶长天国际工程有限责任公司 | Heat exchange type system and method for removing carbon monoxide and denitration from flue gas |
| CN212829205U (en) * | 2020-08-26 | 2021-03-30 | 湖南五指峰生化有限公司 | Metering device is used to animal remedy packing |
| CN215654705U (en) * | 2021-08-24 | 2022-01-28 | 北京高麦克仪器科技有限公司 | Nitrogen purifier |
| CN114317025A (en) * | 2021-11-30 | 2022-04-12 | 南京林业大学 | Tar thermocatalytic cracking device and continuous gasification and regeneration method of catalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280199A (en) | High-temperature low-tar biomass gasifier | |
| CN105987376B (en) | A kind of fuel clean combustion and the combustion apparatus of purification discharge | |
| CN115069058A (en) | Pyrolysis oven catalytic system | |
| CN113262635A (en) | Oil field thermal recovery boiler flue gas decarbonization device | |
| CN113457365A (en) | But exhaust treatment device of quick conversion absorption and desorption | |
| CN106479532A (en) | Heat accumulating type metallic honeycomb bodies electronic gas refuse pyrolysis plant and method for pyrolysis | |
| CN100455888C (en) | Method and apparatus for treating garbage | |
| CN206280975U (en) | Heat accumulating type spiral pyrolysis installation | |
| CN204494801U (en) | A kind of heat tranferring resistance box | |
| CN102311808A (en) | Combustion gas generator of biomass | |
| CN112268298A (en) | High-efficiency energy-saving multipurpose heating stove | |
| CN201634431U (en) | Rotary activation furnace | |
| KR20120109938A (en) | Pellet boiler having a chamber exchanging heat | |
| CN202186988U (en) | Biomass gas generator | |
| CN112113226A (en) | Be suitable for multiple incineration device of multiple danger wastes material | |
| CN201245612Y (en) | High-temperature low-tar biomass gasifier | |
| CN114251846B (en) | Coal-fired hot-air furnace | |
| CN206320758U (en) | Heat accumulating type deflection plate electronic gas refuse pyrolysis plant | |
| CN215765145U (en) | Rotary heat accumulation incinerator convenient to clean and maintain | |
| CN214370221U (en) | Be suitable for multiple incineration device of multiple danger wastes material | |
| CN219526266U (en) | Carbonization activation furnace | |
| CN213537811U (en) | Biomass charcoal activation generator | |
| CN219950803U (en) | Urban sludge pyrolysis gas combustion equipment | |
| CN118293433A (en) | Multi-section type waste gas treatment equipment | |
| CN210772234U (en) | Catalytic combustion furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |