Environment-friendly asphalt thermal regeneration flue gas purification device

Abstract

The utility model discloses an environment-friendly asphalt thermal regeneration flue gas purification device, which relates to the technical field of asphalt production, aims to solve the technical problem that the contact reaction rate of photocatalytic treatment reactants is slow, and comprises a reaction box, a material box for containing titanium dioxide is mounted at the top of the reaction box, and a box cover is mounted at the top of the material box. A material scattering plate is arranged in the material box in a limited sliding mode, a material scattering structure is arranged at the bottom of the material scattering plate, two spiral structures are arranged in the reaction box, a plurality of ultraviolet lamps fixed to the inner wall of the reaction box are arranged on the outer sides of the two spiral structures, the side walls of the two spiral structures intersect, and the two spiral structures are communicated with asphalt smoke and titanium dioxide respectively. According to the utility model, the contact rate and the reaction rate can be improved through the limiting sliding of the material dispersing plate, the matching of the vibration motor, the blowing of the air blower, the design of the expansion cover, the intersection design of the side walls of the two spiral pipes and the matching of a plurality of communicated notches at the intersection and the diffusion piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen production technical field more specifically, relate to a kind of environmental protection type bitumen heat regeneration flue gas purification device. BACKGROUND

[0002] Biological asphalt is a kind of environmental protection type bitumen, and smoke is generated in the production process of biological asphalt. The smoke is extremely dispersed and exists in the form of aerosol. It contains both small solid and liquid particles and gaseous substances. Direct discharge of aerosol can scatter and absorb light, affecting the visibility of the atmosphere and the color of the sky, and affecting the formation, development and precipitation process of clouds. When people inhale aerosol, harmful particles in it may deposit in the respiratory tract and lungs, causing respiratory diseases, cardiovascular diseases and other diseases. Therefore, it needs to be treated. The existing traditional smoke treatment method has the problems of poor effect, incomplete treatment and lack of environmental protection. In recent years, the method of using powdered titanium dioxide combined with light to decompose and filter has gradually attracted attention. However, in practical application, how to ensure that the powdered titanium dioxide is evenly scattered to fully contact with the smoke and improve the treatment effect has become a technical problem to be solved. In view of this, we propose an environmental protection type bitumen heat regeneration flue gas purification device. SUMMARY

[0003] The utility model aims at overcoming the deficiency of prior art, adapting to the actual need, providing an environmental protection type bitumen heat regeneration flue gas purification device to solve the technical problem of slow reaction rate of photocatalytic treatment reactants.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: an environmental protection type bitumen heat regeneration flue gas purification device, comprising a reaction box, a material box for containing titanium dioxide is installed on the top of the reaction box, a box cover is installed on the top of the material box, a material distribution plate is limited to slide in the interior of the material box, a material distribution structure is arranged on the bottom of the material distribution plate, two spiral structures are arranged in the interior of the reaction box, a plurality of ultraviolet lamps are arranged on the outer side of the two spiral structures and fixed with the inner wall of the reaction box, the side wall of the two spiral structures intersects, and the two spiral structures are communicated with bitumen smoke and titanium dioxide respectively.

[0005] Preferably, a solid filter screen is installed on the inner bottom of the reaction box, a side door is arranged on one side of the reaction box, an outer discharge pipe is installed on the bottom of the reaction box, and a plurality of material distribution holes are formed in the material distribution plate.

[0006] Preferably, the material distribution structure comprises a vibration motor, the vibration end of the vibration motor is in contact with the bottom of the material distribution plate, a blower is installed on the opposite side of the vibration motor, and an expansion cover is arranged below the vibration motor.

[0007] Preferably, the spiral structure comprises a spiral pipe made of transparent material, the spiral pipe is a spiral track, one end of the spiral pipe is provided with a feeding pipe, and the other end of the spiral pipe is provided with an impact piece.

[0008] Preferably, the two feeding pipes are respectively communicated with external flue gas and an expansion cover, and a plurality of diffusion pieces are arranged between the two spiral pipes.

[0009] Preferably, the impact piece comprises a material guiding pipe connected with the spiral pipe, and the material guiding pipe is provided with a material spraying cover at one end, and the two material spraying covers are oppositely distributed.

[0010] Preferably, the diffusion piece comprises a central rod, the central rod is rotationally connected in a central region where the two spiral pipes intersect, and a plurality of stirring blades are connected to the outer periphery of the central rod, and the region where the two spiral pipes intersect and the plurality of central rods are located is a communication gap.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 the utility model discloses a limiting sliding of the bulk material plate and the cooperation of the vibration motor can realize vibration bulk material, and then the blowing of the air blower and the design of the expansion cover can realize automatic blowing of titanium dioxide, realize relatively uniform bulk material, and the guidance of the spiral pipe and the position design of the material guiding pipe and the material spraying cover realize the opposite impact of flue gas and titanium dioxide, improve the contact rate, improve the reaction rate, and solve the problem of slow contact reaction rate of photocatalytic treatment reactants.

[0013] 2、 the utility model discloses that the side wall of the two spiral pipes intersects and is provided with a plurality of communication gaps at the intersection, and the central rod is rotationally connected with the gap position and the plurality of stirring blades are connected to the outer periphery of the central rod, so that the stirring blades can rotate by the different input gas flow rates during the input of flue gas and titanium dioxide, the contact mixing of flue gas and titanium dioxide between the two spiral pipes is realized, the contact rate is improved, and the problem of slow contact reaction rate of photocatalytic treatment reactants is further solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the inside of the reaction box in the utility model;

[0016] Figure 3 It is a half cut structural schematic view of the material box in the utility model;

[0017] Figure 4 It is a structural schematic view of the spiral structure in the utility model;

[0018] Figure 5 It is the structure schematic view of the intersection state between two spiral tubes in the utility model;

[0019] Figure 6 It is the structure schematic view of the stirring blade in the utility model.

[0020] Mark explanation in the drawing: 1, reaction box; 2, material box; 3, box cover; 4, bulk material plate; 5, bulk material structure; 6, spiral structure; 7, side door; 8, outer exhaust pipe;

[0021] 501, vibration motor; 502, air blower; 503, expansion cover;

[0022] 601, spiral tube; 602, feeding pipe; 63, impact piece; 631, material guide pipe; 632, material spraying cover; 64, diffusion piece; 641, center rod; 642, stirring blade. DETAILED DESCRIPTION

[0023] As Figures 1 to 6 shown, the utility model relates to a kind of environmental protection type asphalt heat regeneration flue gas purification device, including reaction box 1, the inner bottom of reaction box 1 is carefully installed with solid filter screen, this filter screen can effectively intercept and filter the solid impurities generated in the purification process, the side of reaction box 1 is provided with openable and closable side door 7, this design greatly facilitates the operator to regularly check, clean and maintain inside reaction box 1, simultaneously, the inner wall of reaction box 1 is installed with multiple ultraviolet lamps, these ultraviolet lamps play a vital role in the entire purification process, provide necessary energy condition for subsequent photocatalytic reaction, the bottom of reaction box 1 is installed with outer exhaust pipe 8, outer exhaust pipe 8 undertakes the important task of transporting gas and liquid after preliminary purification to next process, so as to carry out more in-depth and comprehensive purification treatment, ensure that the substance of final discharge meets strict environmental protection standard.

[0024] On the top of reaction box 1, material box 2 specially used for containing titanium dioxide is installed, titanium dioxide as a kind of efficient photocatalyst plays a key role in the purification process, to ensure the cleanliness and safety inside material box 2, box cover 3 is installed on the top of material box 2, bulk material plate 4 is slidingly installed in the inside of material box 2, and multiple carefully designed bulk material holes are formed in bulk material plate 4, the distribution and size of these bulk material holes are accurately calculated to realize the uniform and efficient distribution of titanium dioxide.

[0025] Inside the reaction box 1, two spiral structures 6 are innovatively arranged, mainly including a spiral pipe 601, the end of which is provided with a feeding pipe 602, and the other end is provided with an impact piece 63, which includes a material guide pipe 631 closely connected with the spiral pipe 601, and the end of the material guide pipe 631 is provided with a material spraying cover 632, and it is worth noting that the two material spraying covers 632 are oppositely distributed, which can effectively promote the strong collision and full mixing between asphalt fumes and titanium dioxide, thereby significantly improving the efficiency and effect of the purification reaction.

[0026] In order to realize the uniform discharge of titanium dioxide, the bottom of the bulk material plate 4 is equipped with a carefully designed bulk material structure 5, which mainly includes a vibration motor 501, the vibration end of which is in direct contact with the bottom of the bulk material plate 4, and through the high-frequency vibration of the vibration motor 501, the bulk material plate 4 can produce tiny and uniform vibration, thereby promoting the titanium dioxide to smoothly fall from the bulk material holes on the bulk material plate 4, on the opposite side of the vibration motor 501, a blower 502 is installed, and below the vibration motor 501, an expansion cover 503 is arranged, which can make the titanium dioxide more uniformly and widely spread in the inside of the reaction box 1 under the double action of vibration and wind force, creating favorable conditions for the purification reaction.

[0027] In order to further improve the contact rate between asphalt fumes and titanium dioxide, the spiral pipe 601 is made of transparent material, which not only facilitates the observation of the internal reaction, but more importantly, can ensure that the ultraviolet light penetrates fully, thereby maximizing the photocatalytic activity of titanium dioxide, and the spiral pipe 601 presents a spiral trajectory, which greatly prolongs the flow path of asphalt fumes and titanium dioxide in the pipe, increases their contact time and contact area, and thereby significantly improves the effect of the purification reaction.

[0028] The side walls between the two spiral structures 6 intersect each other, and the two spiral structures 6 are communicated with the asphalt fume and the titanium dioxide respectively, so that the two substances are fully mixed and reacted, in order to further enhance the mixing effect, a plurality of diffusion devices 64 are arranged between the two spiral pipes 601, the diffusion device 64 comprises a center rod 641, the center rod 641 is located at the central region of the intersection of the two spiral pipes 601, and flexible rotation is realized through a delicate rotary connection design, a plurality of stirring blades 642 are connected to the outer periphery of the center rod 641, when the asphalt fume and the titanium dioxide pass through the two spiral pipes 601 respectively, the stirring blades 642 are driven to rotate due to the difference in gas flow rate, so that the full mixing and contact of the two substances are further promoted, the region where the two spiral pipes 601 intersect and the plurality of center rods 641 are located is designed as a continuous gap, the gap provides a more convenient channel for the diffusion and mixing of the substances, and the efficiency and quality of the purification reaction are further improved.

[0029] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different inferences and changes are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. An environmentally friendly asphalt thermal recycling flue gas purification device, characterized in that, The reaction chamber (1) includes a container (2) for holding titanium dioxide installed on the top of the reaction chamber (1), a lid (3) installed on the top of the container (2), a material distribution plate (4) for limiting and sliding inside the container (2), a material distribution structure (5) at the bottom of the material distribution plate (4), two spiral structures (6) inside the reaction chamber (1), multiple ultraviolet lamps fixed to the inner wall of the reaction chamber (1) arranged on the outside of the two spiral structures (6), the side walls of the two spiral structures (6) intersect, and the two spiral structures (6) are respectively connected to the asphalt fumes and titanium dioxide.

2. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 1, characterized in that, A solid filter screen is installed at the bottom of the reaction chamber (1). A side door (7) that can be opened and closed is provided on one side of the reaction chamber (1). An external discharge pipe (8) is installed at the bottom of the reaction chamber (1). Multiple material dispersing holes are provided on the material dispersing plate (4).

3. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 2, characterized in that, The bulk material structure (5) includes a vibration motor (501), the vibration end of which is in contact with the bottom of the bulk material plate (4), a blower (502) is installed on the opposite side of the vibration motor (501), and an expansion cover (503) is provided below the vibration motor (501).

4. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 3, characterized in that, The spiral structure (6) includes a transparent spiral tube (601), which is a spiral trajectory. A feed pipe (602) is installed at one end of the spiral tube (601), and an impact member (63) is provided at the other end of the spiral tube (601).

5. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 4, characterized in that, The two feed pipes (602) are respectively connected to the external flue gas and the hood (503), and a plurality of diffusers (64) are provided between the two spiral pipes (601).

6. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 5, characterized in that, The impact member (63) includes a feed tube (631) connected to the spiral tube (601), and a spray hood (632) is installed at the end of the feed tube (631). The two spray hoods (632) are distributed in opposite positions.

7. The environmentally friendly asphalt thermal recycling flue gas purification device according to claim 6, characterized in that, The diffuser (64) includes a central rod (641), which is located at the intersection of two spiral tubes (601) and rotatably connected. Multiple stirring blades (642) are connected to the outer periphery of the central rod (641). The area where the two spiral tubes (601) intersect and are located at the position of multiple central rods (641) is a connecting gap.

Images