CN111249901A - Organic waste gas catalytic oxidation equipment - Google Patents
Organic waste gas catalytic oxidation equipment Download PDFInfo
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- CN111249901A CN111249901A CN202010158034.9A CN202010158034A CN111249901A CN 111249901 A CN111249901 A CN 111249901A CN 202010158034 A CN202010158034 A CN 202010158034A CN 111249901 A CN111249901 A CN 111249901A
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- wall
- catalytic oxidation
- bin
- waste gas
- storehouse
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- 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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D53/007—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 irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Abstract
The invention discloses organic waste gas catalytic oxidation equipment which comprises a base, wherein a bin body is fixed on the outer wall of the top of the base and is divided into a temperature regulation bin and a photolysis bin, a controller is fixed on the outer wall of one side of the photolysis bin through a bolt, an air inlet filter screen is arranged on the inner wall of the end part of the temperature regulation bin, an air outlet hopper is connected to the outer wall of the end part of the photolysis bin, an opening and closing valve is arranged on the inner wall of the air outlet hopper, a control box is arranged on the outer wall of the top of the photolysis bin, and equipment boxes are distributed on the outer wall of the top of the control box. According to the invention, through the lifting ultraviolet light bar structure, the catalytic oxidation workload can be adjusted through separation between the ultraviolet light bar and the catalytic tube, the energy consumption is saved, the air inlet amount can be adjusted according to the requirement, the semiconductor fin and the electric heating fin in the upper temperature adjusting bin are matched, the air inlet end is fully preheated and adjusted in temperature, the temperature entering the photolysis bin is ensured to be in the optimal temperature range, and the catalytic oxidation effect is improved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to organic waste gas catalytic oxidation equipment.
Background
The waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is discharged to the outside so as to reach the national standard of the external discharge of the waste gas. The general waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like.
The existing organic waste gas carries more germs, bacteria, foreign matters and the like, and needs to be sufficiently catalyzed and oxidized, but the catalysis effect in the existing catalytic oxidation equipment is uncontrollable, the optimal temperature adjustment during the catalytic oxidation is inconvenient, and the optimal catalytic oxidation effect cannot be achieved.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a catalytic oxidation device for organic waste gas.
The invention provides organic waste gas catalytic oxidation equipment, which comprises a base, wherein a cabin body is fixed on the outer wall of the top of the base, the cabin body is divided into a temperature regulation cabin and a photolysis cabin, a controller is fixed on the outer wall of one side of the photolysis cabin through bolts, an air inlet filter screen is arranged on the inner wall of the end part of the temperature regulation cabin, an air outlet hopper is connected with the outer wall of the end part of the photolysis cabin, an opening and closing valve is arranged on the inner wall of the air outlet hopper, a control box is arranged on the outer wall of the top of the photolysis cabin, equipment boxes are distributed on the outer wall of the top of the control box in a matrix manner, an arrangement seat is arranged in the middle of the inner wall of the bottom end of the photolysis cabin, a catalytic tube corresponding to the equipment boxes is arranged on the outer wall of the arrangement seat, a hydraulic cylinder group is fixed on the inner wall of the equipment boxes through bolts, an, the inner wall middle part in temperature regulation storehouse is equipped with the temperature regulation circle, and is equipped with the active carbon filtering layer between temperature regulation storehouse and the air inlet filter screen.
As a further scheme of the invention, the temperature regulating ring comprises a guide pipe, semiconductor fins and electric heating fins, and the semiconductor fins and the electric heating fins are symmetrically distributed on the outer wall of the guide pipe.
As a further scheme of the invention, temperature controllers are arranged on two sides of the temperature regulation bin close to the air inlet filter screen, and the temperature controllers are electrically connected with the semiconductor fins and the electric heating fins.
As a further scheme of the invention, the catalytic tube comprises a porous tube body and nano photocatalytic rods, and the nano photocatalytic rods are distributed on the inner walls of the four sides of the porous tube body in an annular shape at equal intervals.
As a further scheme of the invention, the outer wall of the middle part of the ultraviolet light bar is fixedly provided with an air speed sensor through a bolt, and the signal end of the air speed sensor is connected with a controller through a signal wire.
As a further scheme of the invention, two sides of the outer wall of the top end of the catalytic tube are respectively provided with the air limiting baffle, and the lifting stroke of the hydraulic cylinder group is matched with the height of the air limiting baffle.
As a further scheme of the invention, the hydraulic cylinder group and the ultraviolet light rod are both connected with a switch, and the switch is connected with the controller through a lead.
The beneficial effects of the invention are as follows:
1. the organic waste gas catalytic oxidation equipment is provided with a lifting ultraviolet light bar structure, the separation between the ultraviolet light bar and the catalytic tube can adjust the catalytic oxidation workload, the energy consumption is saved, and simultaneously, the air inlet amount can be adjusted according to the requirement, so that the organic waste gas catalytic oxidation equipment can obtain sufficient catalytic oxidation, and the whole catalytic oxidation process is controllable;
2. be equipped with the temperature regulation storehouse among this organic waste gas catalytic oxidation equipment, through semiconductor fin and the electrical heating fin in the temperature regulation circle, fully preheat the temperature regulation to the air inlet end, guarantee that the temperature in getting into the photodissociation storehouse is the optimum temperature interval, improves catalytic oxidation effect.
Drawings
FIG. 1 is a schematic diagram of the general structure of an apparatus for catalytic oxidation of organic exhaust gas according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional side view of an apparatus for catalytic oxidation of organic waste gas according to the present invention;
fig. 3 is a schematic view of a catalytic tube structure of an organic exhaust gas catalytic oxidation device according to the present invention.
In the figure: the device comprises a base 1, an air inlet filter screen 2, a temperature adjusting bin 3, a photolysis bin 4, a control box 5, an equipment box 6, an air outlet hopper 7, a controller 8, a hydraulic cylinder group 9, an ultraviolet light rod 10, a temperature adjusting ring 11, an active carbon filter layer 12, a catalytic tube 13, a arranging seat 14, an opening and closing valve 15 and a nano photocatalytic rod 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, an organic waste gas catalytic oxidation apparatus comprises a base 1, a bin body is fixed on the outer wall of the top of the base 1 and is divided into a temperature regulation bin 3 and a photolysis bin 4, a controller 8 is fixed on the outer wall of one side of the photolysis bin 4 through bolts, an air inlet filter screen 2 is arranged on the inner wall of the end part of the temperature regulation bin 3, an air outlet hopper 7 is connected on the outer wall of the end part of the photolysis bin 4, an opening and closing valve is arranged on the inner wall of the air outlet hopper 7, a control box 5 is arranged on the outer wall of the top of the photolysis bin 4, an apparatus box 6 is distributed on the outer wall of the top of the control box 5 in a matrix form, an arrangement seat 14 is arranged in the middle of the inner wall of the bottom end of the photolysis bin 4, a catalytic tube 13 corresponding to the apparatus box 6 is arranged on the outer wall of the arrangement seat 14, a hydraulic cylinder group 9 is fixed on the inner wall of the apparatus box 6, the middle part of the inner wall of the temperature adjusting bin 3 is provided with a temperature adjusting ring 11, and an active carbon filtering layer 12 is arranged between the temperature adjusting bin 3 and the air inlet filtering net 2.
In the invention, the temperature adjusting ring 11 comprises a guide pipe, semiconductor fins and electric heating fins, the semiconductor fins and the electric heating fins are symmetrically distributed on the outer wall of the guide pipe, temperature controllers are arranged on two sides of the temperature adjusting bin 3 close to the air inlet filter screen 2, the temperature controller is electrically connected with the semiconductor fins and the electric heating fins, the catalytic tube 13 comprises a porous tube body and a nano photocatalytic rod 16, the nanometer photocatalysis rods 16 are distributed on the inner walls of the four sides of the porous tube body in an annular shape at equal intervals, the outer wall of the middle part of the ultraviolet light rod 10 is fixed with a wind speed sensor through bolts, and the signal end of the wind speed sensor is connected with the controller 8 through a signal wire, both sides of the outer wall of the top end of the catalytic tube 13 are provided with wind limiting baffles, and the lift stroke of pneumatic cylinder group 9 and the high looks adaptation of limit wind baffle, pneumatic cylinder group 9 and ultraviolet ray optical wand 10 all are connected with the switch, and the switch is connected with controller 8 through the wire.
During this organic waste gas catalytic oxidation equipment operation, get into through 2 ends of air inlet filter screen, semiconductor fin and electrical heating fin in the temperature regulation circle 11, fully preheat the temperature regulation to the air inlet end, guarantee that the temperature in getting into the photodissociation storehouse is the optimum temperature interval, improve catalytic oxidation effect, get into the photodissociation storehouse 4, the ultraviolet ray optical wand 10 structure of usable lift, the adjustable catalytic oxidation work load of separation between ultraviolet ray optical wand 10 and the catalytic tube 13, can adjust the intake according to the demand when practicing thrift the energy consumption, make it obtain abundant catalytic oxidation, make holistic catalytic oxidation process controllable.
The principle of photolysis is that, depending on the electronic structure of a semiconductor, when the semiconductor (photocatalyst) absorbs a photon with energy greater than its band gap energy, an electron (e-) jumps from a filled valence band to an empty conduction band, leaving a positively charged hole (h +) in the valence band. The valence band holes have a strong oxidizing property and the conduction band electrons have a strong reducing property, and they can directly react with reactants and also react with other electron donors and acceptors adsorbed on the photocatalyst. Nano photocatalysis is by using TiO2The photocatalysis process as the catalyst has mild reaction condition, rapid photolysis and CO as the product2And H2O or other ions, e.g. NO3-、PO4 3-、Cl-And the like, and has wide application range, and organic matters including hydrocarbon, alcohol, aldehyde, ketone, ammonia and the like can be removed by the photocatalysis of TiO 2. The mechanism is mainly that the photocatalyst titanium dioxide absorbs photons and reacts with water on the surface to generate hydroxyl free radicals (-OH) and active oxygen substances(O2-，H2O2) Wherein, hydroxyl radical (-OH) is a main active substance of the photocatalytic reaction and plays a determining role in photocatalytic oxidation. The hydroxyl radical has 120 KJ/mol reaction energy higher than that of various chemical bond energy in organic matter, so that it can decompose volatile organic matter and organic matter constituting bacteria fast and effectively, and other active oxygen matter (O)2-，H2O2) The synergistic effect of the components makes the sterilizing effect quicker.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an organic waste gas catalytic oxidation equipment, includes base (1), its characterized in that, the top outer wall of base (1) is fixed with the storehouse body, and the storehouse body divide into temperature regulation storehouse (3) and photodissociation storehouse (4), one side outer wall of photodissociation storehouse (4) has controller (8) through the bolt fastening, the tip inner wall of temperature regulation storehouse (3) is equipped with air inlet filter screen (2), the tip outer wall of photodissociation storehouse (4) is connected with out gas fill (7), and the inner wall that goes out gas fill (7) is equipped with the on-off valve, the top outer wall of photodissociation storehouse (4) is equipped with control box (5), and the top outer wall of control box (5) is the distribution and has matrix type equipment case (6), the bottom inner wall middle part of photodissociation storehouse (4) is equipped with arranges seat (14), and arrange the top outer wall of seat (14) be equipped with corresponding catalysis pipe (13) of equipment case (6), the inner wall of equipment box (6) is fixed with hydraulic cylinder group (9) through the bolt, and the output of hydraulic cylinder group (9) is connected with ultraviolet ray optical wand (10), the inner wall axis department at catalysis pipe (13) is pegged graft to the tip of ultraviolet ray optical wand (10), the inner wall middle part in temperature regulation storehouse (3) is equipped with temperature regulation circle (11), and is equipped with activated carbon filtering layer (12) between temperature regulation storehouse (3) and air inlet filter screen (2).
2. The catalytic oxidation apparatus for organic exhaust gas according to claim 1, wherein the temperature regulating ring (11) comprises a guide pipe, semiconductor fins and electric heating fins, and the semiconductor fins and the electric heating fins are symmetrically distributed on the outer wall of the guide pipe.
3. The catalytic oxidation apparatus for organic waste gas according to claim 1, wherein the temperature control unit is disposed on both sides of the temperature control chamber (3) near the air intake filter (2), and the temperature control unit is electrically connected to the semiconductor fins and the electric heating fins.
4. The catalytic oxidation apparatus for organic waste gas according to claim 1, wherein the catalytic tube (13) comprises a porous tube body and nano-photocatalytic rods (16), and the nano-photocatalytic rods (16) are annularly distributed on the inner walls of the four sides of the porous tube body at equal intervals.
5. The catalytic oxidation apparatus for organic waste gas according to claim 1, wherein the outer wall of the middle part of the ultraviolet light bar (10) is fixed with an air velocity sensor through a bolt, and the signal end of the air velocity sensor is connected with the controller (8) through a signal line.
6. The organic waste gas catalytic oxidation equipment according to claim 1, wherein the two sides of the outer wall of the top end of the catalytic tube (13) are provided with wind limiting baffles, and the lifting stroke of the hydraulic cylinder group (9) is matched with the height of the wind limiting baffles.
7. The catalytic oxidation equipment for organic waste gas according to claim 1, wherein the hydraulic cylinder set (9) and the ultraviolet light bar (10) are connected with a switch, and the switch is connected with the controller (8) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158034.9A CN111249901A (en) | 2020-03-09 | 2020-03-09 | Organic waste gas catalytic oxidation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158034.9A CN111249901A (en) | 2020-03-09 | 2020-03-09 | Organic waste gas catalytic oxidation equipment |
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| CN111249901A true CN111249901A (en) | 2020-06-09 |
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| CN202010158034.9A Pending CN111249901A (en) | 2020-03-09 | 2020-03-09 | Organic waste gas catalytic oxidation equipment |
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Application publication date: 20200609 |