CN209865727U - Rotation type MW-LEP exhaust treatment device - Google Patents
Rotation type MW-LEP exhaust treatment device Download PDFInfo
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- CN209865727U CN209865727U CN201920454144.2U CN201920454144U CN209865727U CN 209865727 U CN209865727 U CN 209865727U CN 201920454144 U CN201920454144 U CN 201920454144U CN 209865727 U CN209865727 U CN 209865727U
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- ultraviolet lamp
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Abstract
The utility model discloses a rotary MW-LEP waste gas treatment device, which comprises a waste gas treatment cavity, an air inlet and an air outlet which are arranged at the two sides of the cavity, a power supply, a waveguide tube and a magnetron which are arranged at the top of the cavity, and a rotary electrodeless ultraviolet lamp assembly which is arranged at the bottom of the cavity, wherein the assembly comprises a rotary chassis, a fixed frame and an electrodeless ultraviolet lamp tube which is arranged on the fixed frame; the motor is arranged outside the cavity and connected with the rotary electrodeless ultraviolet lamp assembly to drive the rotary electrodeless ultraviolet lamp assembly to rotate. The utility model solves the problem of uniformity of microwave in the cavity, after the rotating chassis rotates, each electrodeless ultraviolet lamp tube is almost excited by the same microwave, thus ensuring the consistency of the use state and the working state of each electrodeless ultraviolet lamp tube and preventing the aging phenomenon caused by overhigh use rate of partial electrodeless ultraviolet lamp tubes; meanwhile, the mixing effect and the collision frequency of the waste gas to be treated and the oxidizing groups are improved, the purification efficiency of the waste gas is improved, and the equipment operation and maintenance cost is low.
Description
Technical Field
The utility model relates to a microwave electrodeless ultraviolet exhaust treatment device technical field especially relates to a rotation type MW-LEP exhaust treatment device.
Background
With the high-speed development of the economy of China, the waste gas generated in the production of each industry is increased, a large amount of waste gas is discharged into the air without being treated or treated incompletely, the atmospheric environment is seriously polluted, the ecological environment balance is destroyed, the serious harm is brought to the human health, and the huge loss is caused to the economy of China. Therefore, air pollution is an important environmental pollution problem which needs to be solved at present, various waste gas treatment technologies are developed in order to deal with the air pollution, and some effective control technologies such as a thermal destruction method, a condensation method, an absorption method and the like are widely adopted and studied, and new control technologies formed in recent years include a biofilm method, a pulse corona method, a membrane separation method, a photodecomposition method, a plasma decomposition method, a microwave electrodeless ultraviolet (MW-LEP) catalytic oxidation technology and the like. The traditional treatment method is mature in technology, but needs to improve the treatment efficiency and save the cost; recently, the microwave catalytic oxidation waste gas treatment technology has many successful cases in the domestic waste gas treatment field, such as the large-scale use of an extreme ultraviolet lamp and a microwave electrodeless ultraviolet lamp tube.
Chinese patent application No. 200620056722.X discloses a drawer type ozone ultraviolet waste gas treatment device, which generates ozone under the irradiation of ultraviolet rays by generating an ultraviolet lamp tube with 185nm wavelength, and simultaneously completes deodorization and sterilization processes by utilizing the synergistic effect of ultraviolet and ozone. However, the above exhaust gas treatment device has the following drawbacks: the short wave ultraviolet generating power is low, the phenomenon of uneven mixing between the gas to be treated and the oxidant can occur, and the purification efficiency of waste gas is low.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a rotation type MW-LEP exhaust treatment device can improve the mixed degree of waste gas and oxidant to improve the purification efficiency of waste gas.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a rotation type MW-LEP exhaust treatment device, includes the cavity and is located the air inlet and the gas outlet of cavity both sides, air inlet and gas outlet with the junction of cavity is provided with the metal mesh.
The top of the cavity is provided with a power supply, a waveguide tube and a magnetron; the bottom of the cavity is provided with a rotary electrodeless ultraviolet lamp assembly. The outer end of the cavity is provided with a motor, and the motor is connected with the rotary electrodeless ultraviolet lamp assembly and drives the rotary electrodeless ultraviolet lamp assembly to rotate.
As a further aspect of the present invention: the rotary electrodeless ultraviolet lamp assembly comprises a rotary chassis, a fixing frame arranged on the rotary chassis and an electrodeless ultraviolet lamp tube vertically arranged above the rotary chassis. The fixing frame is provided with a hole, and the electrodeless ultraviolet lamp tube penetrates through the hole in the fixing frame and is fixedly arranged above the rotating chassis.
As a further aspect of the present invention: the rotating chassis is one of a circle or a square. The rotating chassis is made of one of Cu, Fe, Al, aluminum alloy or stainless steel.
As a further aspect of the present invention: the fixed frame and the rotating chassis are in the same shape; the fixing frame is made of a material which does not absorb microwaves.
As a further aspect of the present invention: the tube material of the electrodeless ultraviolet tube is SiO-containing2One of quartz, fluoride, UBK7 glass, sapphire, borosilicate glass, or ultraviolet transmitting glass having a purity greater than 99.99%.
As a further aspect of the present invention: the material in the electrodeless ultraviolet lamp tube (11) is one of mercury, iodine or bromine. The number of the tubes of the electrodeless ultraviolet tube is 1-1000, the length is 20-300cm, and the diameter is 1-10 cm.
As a further aspect of the present invention: the cavity is made of one of Cu, Fe, Al, aluminum alloy or stainless steel. The cavity is in the shape of one of a cube, a cuboid, a cylinder or a hexagonal prism.
As a further aspect of the present invention: the shape of the air inlet and the air outlet is one of a rectangle, a square or a circle.
As a further aspect of the present invention: the power of the magnetron is 100kw, 30kw, 15kw, 10kw, 1.5kw, 1kw, 900w, 700w, 300w, the frequency is 915MHz, 2.4GHz, the number is 1-200.
As a further aspect of the present invention: the motor adopts a low-speed adjustable motor, and the rotating speed is 1-200 revolutions per minute.
The utility model has the advantages that: the utility model provides a this kind of rotation type MW-LEP exhaust treatment device, the magnetron produces the microwave is connected to the power, conveys in the cavity through the waveguide, excites the electrodeless ultraviolet fluorescent tube in the cavity and produces the ultraviolet ray, on this basis, the utility model discloses increased the rotation type structure, made the electrodeless ultraviolet fluorescent tube rotatory, optimized the inside microwave environment of cavity, strengthened the electrodeless ultraviolet fluorescent tube to the absorptive homogeneity of microwave, prolonged the life of electrodeless ultraviolet fluorescent tube, improved the ultraviolet production power of shortwave, further promoted ozone, oxygen atom, the concentration of oxidizing radicals such as hydroxyl radical, made waste gas and the gaseous intensive mixing of oxidizing radical simultaneously, improved the number of times of reaction collision, finally improved the exhaust treatment effect.
Drawings
Fig. 1 is a schematic structural diagram of a rotary MW-LEP exhaust gas treatment device provided by the present invention;
fig. 2 is a schematic structural view of a rotary electrodeless ultraviolet lamp assembly in the rotary MW-LEP exhaust gas treatment device provided by the present invention;
in the figure: 1-a cavity; 2-an air inlet; 3-air outlet; 4-a metal mesh; 5-a power supply; 6-a waveguide; 7-a magnetron; 8-a rotary electrodeless ultraviolet lamp assembly; 9-rotating the chassis; 10-a fixing frame; 11-electrodeless ultraviolet lamp tube.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the rotary MW-LEP exhaust gas treatment device described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of thoroughly and completely disclosing the present invention and fully conveying the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
referring to fig. 1 and 2, the rotary MW-LEP waste gas treatment device comprises a cavity 1, an air inlet 2 and an air outlet 3 which are positioned at two sides of the cavity 1, a power supply 5, a waveguide 6 and a magnetron 7 which are arranged at the top of the cavity 1, and a rotary electrodeless ultraviolet lamp assembly 8 which is arranged at the bottom of the cavity 1.
The rotary electrodeless ultraviolet lamp assembly 8 comprises a rotary chassis 9, a fixed frame 10 arranged on the rotary chassis 9, and an electrodeless ultraviolet lamp tube 11 vertically arranged above the rotary chassis 9. The fixing frame 10 is provided with a hole, and the electrodeless ultraviolet lamp tube 11 penetrates through the hole in the fixing frame 10 and is fixedly arranged above the rotating chassis 9.
The outer end of the cavity 1 is provided with a motor 12, and the motor 12 is connected with the rotary electrodeless ultraviolet lamp assembly 8 to drive the rotary electrodeless ultraviolet lamp assembly to rotate.
The utility model discloses in, leak from air inlet 2 or gas outlet 3 in order to prevent the microwave in the cavity 1 air inlet 2 and gas outlet 3 install metal mesh 4 with 1 junction of cavity, metal mesh 4's material is one of Cu, Fe, Al, aluminum alloy or stainless steel, can prevent the leakage of microwave.
The cavity 1 is made of one of Cu, Fe, Al, aluminum alloy or stainless steel. The cavity 1 is in the shape of one of a cube, a cuboid, a cylinder or a hexagonal prism.
The shape of the gas inlet 2 and the gas outlet 3 is one of a rectangle, a square, or a circle.
The waveguide 6 is made of one of Cu, Fe, Al, aluminum alloy, or stainless steel, and can reflect and transmit microwaves.
The number of the magnetrons 7 is 1-200, the power is 100kw, 30kw, 15kw, 10kw, 1.5kw, 1kw, 900w, 700w, 300w, the frequency is 915MHz, 2.4GHz, different powers are selected to adjust and output microwaves with different intensities.
The rotating chassis 9 is one of a circle or a square; the material of the rotating chassis 9 is one of Cu, Fe, Al, aluminum alloy or stainless steel, and the material can reflect microwaves.
The fixed frame 10 is in the same shape as the rotating chassis 9; the fixing frame 10 is made of a material which does not absorb microwave, such as: plastic products such as polytetrafluoroethylene, polypropylene, polyethylene, and polysulfone, glass, and ceramics.
The tube material of the electrodeless ultraviolet tube 11 is SiO-containing2Quartz with purity of more than 99.99%, fluoride (barium fluoride, calcium fluoride, lithium fluoride, etc.), UBK7 glass, sapphire, borosilicate glass, or ultraviolet transmitting glass.
The material in the electrodeless ultraviolet lamp tube 11 is one of mercury, iodine or bromine, the generation power of short-wave ultraviolet light can be improved, the number of the lamp tubes of the electrodeless ultraviolet lamp tube 11 is 1-1000, the length is 20-300cm, and the diameter is 1-10 cm.
The motor 12 is a low-speed adjustable motor, and the rotating speed is 1-200 revolutions per minute.
The working principle of the utility model is as follows: when the ultraviolet lamp works, the electrodeless ultraviolet lamp tube 11 generates high-power 185nm ultraviolet light under the action of microwaves in the waste gas treatment cavity 1. The ultraviolet light can directly perform photolysis on the exhaust gas molecules, and can also generate oxidized groups through photolysis on water, oxygen and the like. Under the drive of the motor 12, after the rotating chassis 9 rotates, each electrodeless ultraviolet lamp tube 11 is almost excited by the same microwave, so that the using state and the working state of each electrodeless ultraviolet lamp tube 11 are consistent, and the phenomena that the using rate of some lamp tubes is low, the using rate of some lamp tubes is too high and aging occurs are prevented; simultaneously, the waste gas to be treated and oxidant groups are improved, such as: the mixing effect and the collision frequency of hydroxyl radicals, ozone, oxygen atoms and the like improve the purification efficiency of the waste gas.
The utility model discloses a use method: and (3) starting a power supply 5, connecting the power supply 5 with a magnetron 7 to generate microwaves, and transmitting the microwaves into the cavity 1 through a waveguide tube 6 to excite an electrodeless ultraviolet lamp tube 11 in the cavity 1 to generate ultraviolet light.
After the motor 12 is powered on, the rotating chassis 9 and the electrodeless ultraviolet lamp tube 11 thereon are driven to rotate, so that the contact time and area of the waste gas entering the cavity 1 from the gas inlet 2, the microwave, the ultraviolet ray and the oxidizing group are increased, the waste gas is purified under the synergistic action of the ultraviolet ray, the microwave and the oxidizing group, and the purified gas is discharged from the gas outlet 3.
Example 2:
in the embodiment, the cavity 1 is a cube made of 304 stainless steel; the waveguide tube 6 is made of metal aluminum alloy, and the model is BJ 26; the magnetron 7 adopts a three-star air-cooled magnetron OM75P (31), and the magnetron outputs microwave power of 1Kw and frequency of 2.4 GHz; the power supply 5 is a YB-MP1000 type 1000W magnetron power supply of the Xian factor variable opto-electronic technology limited company. The electrodeless ultraviolet lamp tube 11 is made of SiO2The low-pressure mercury lamp of the high-purity quartz material with the purity of more than 99.99 percent has the length of 1.5 meters, the diameter of 3cm and the number of 20; the fixing frame 10 is made of circular polytetrafluoroethylene material; the rotating chassis 9 is a circular 304 stainless steel material; the motor 12 is a 5ik120gu single-phase AC220V stepless speed change motor of Viper motor company limited, and the rotating speed is 100 r/min.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A rotation type MW-LEP exhaust treatment device which characterized in that: the device comprises a cavity (1) and an air inlet (2) and an air outlet (3) which are positioned on two sides of the cavity (1), wherein a metal net (4) is arranged at the connection part of the air inlet (2) and the air outlet (3) and the cavity (1);
the top of the cavity (1) is provided with a power supply (5), a waveguide tube (6) and a magnetron (7);
the bottom of the cavity (1) is provided with a rotary electrodeless ultraviolet lamp assembly (8);
the outer end of the cavity (1) is provided with a motor (12), and the motor (12) is connected with the rotary electrodeless ultraviolet lamp assembly (8) to drive the rotary electrodeless ultraviolet lamp assembly to rotate.
2. The rotary MW-LEP exhaust gas treatment device according to claim 1, wherein: the rotary electrodeless ultraviolet lamp assembly (8) comprises a rotary chassis (9), a fixed frame (10) arranged on the rotary chassis (9), and an electrodeless ultraviolet lamp tube (11) vertically arranged above the rotary chassis (9);
the fixing frame (10) is provided with a hole, and the electrodeless ultraviolet lamp tube (11) penetrates through the hole in the fixing frame (10) and is fixedly arranged above the rotating chassis (9).
3. The rotary MW-LEP exhaust gas treatment device according to claim 2, wherein: the rotating chassis (9) is one of a circle or a square; the rotating chassis (9) is made of one of Cu, Fe, Al, aluminum alloy or stainless steel.
4. The rotary MW-LEP exhaust gas treatment device according to claim 2, wherein: the fixed frame (10) and the rotary chassis (9) are in the same shape; the fixing frame (10) is made of a material which does not absorb microwaves.
5. The rotary MW-LEP exhaust gas treatment device according to claim 2, wherein: the tube material of the electrodeless ultraviolet tube (11) is SiO-containing2One of quartz, fluoride, UBK7 glass, sapphire, borosilicate glass, or ultraviolet transmitting glass having a purity greater than 99.99%.
6. The rotary MW-LEP exhaust gas treatment device according to claim 2, wherein: the material in the electrodeless ultraviolet lamp tube (11) is one of mercury, iodine or bromine, the number of the lamp tubes of the electrodeless ultraviolet lamp tube (11) is 1-1000, the length is 20-300cm, and the diameter is 1-10 cm.
7. The rotary MW-LEP exhaust gas treatment device according to claim 1, wherein: the cavity (1) is made of one of Cu, Fe, Al, aluminum alloy or stainless steel; the cavity (1) is in the shape of one of a cube, a cuboid, a cylinder or a hexagonal prism.
8. The rotary MW-LEP exhaust gas treatment device according to claim 1, wherein: the shape of the air inlet (2) and the air outlet (3) is one of rectangular, square or circular.
9. The rotary MW-LEP exhaust gas treatment device according to claim 1, wherein: the power of the magnetron (7) is 100kw, 30kw, 15kw, 10kw, 1.5kw, 1kw, 900w, 700w, 300w, the frequency is 915MHz, 2.4GHz, the number is 1-200.
10. The rotary MW-LEP exhaust gas treatment device according to claim 1, wherein: the motor (12) adopts a low-speed adjustable motor, and the rotating speed is 1-200 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454144.2U CN209865727U (en) | 2019-04-04 | 2019-04-04 | Rotation type MW-LEP exhaust treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454144.2U CN209865727U (en) | 2019-04-04 | 2019-04-04 | Rotation type MW-LEP exhaust treatment device |
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| CN209865727U true CN209865727U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085095A (en) * | 2020-01-21 | 2020-05-01 | 浙江宏电环保设备制造有限公司 | Integrated low-temperature catalytic photo-oxidation active carbon adsorption energy-saving device |
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2019
- 2019-04-04 CN CN201920454144.2U patent/CN209865727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085095A (en) * | 2020-01-21 | 2020-05-01 | 浙江宏电环保设备制造有限公司 | Integrated low-temperature catalytic photo-oxidation active carbon adsorption energy-saving device |
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