CN109954362B - Flue gas purification device with vortex separation and biomass adsorption - Google Patents
Flue gas purification device with vortex separation and biomass adsorption Download PDFInfo
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- CN109954362B CN109954362B CN201910228180.1A CN201910228180A CN109954362B CN 109954362 B CN109954362 B CN 109954362B CN 201910228180 A CN201910228180 A CN 201910228180A CN 109954362 B CN109954362 B CN 109954362B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The flue gas purification device with vortex separation and biomass adsorption comprises: the fan is used for absorbing the flue gas; the vortex separation device is sleeved outside the fan and provided with a flue gas inlet and a volute exhaust port, and the flue gas inlet is communicated with a flue gas outlet of the fan; flue gas adsorption equipment, flue gas adsorption equipment locate vortex separator top, include by biomass bed, granule bed and the dropping liquid device that supreme set gradually down, biomass bed and vortex separator's volute gas vent intercommunication. Can recover tar in the flue gas and purify dust in the flue gas, and improve the recovery efficiency and the flue gas purification effect.
Description
Technical Field
The invention belongs to the technical field of environmental protection equipment, and particularly relates to a flue gas purification device with vortex separation and biomass adsorption.
Background
In order to protect the living environment of human beings and guarantee the sustainable development of the economic society, all countries take environmental protection as an important work, strive for energy conservation and emission reduction, and obtain a lot of remarkable achievements in the aspect of flue gas treatment. In the industries of metallurgy, thermal power generation, cement and the like, the technology and equipment for separating dust from flue gas, desulfurizing and the like are in the international advanced level in China. However, due to various problems of large investment of flue gas purification equipment, more supporting facilities, high operating cost and the like, flue gas generated by burning of small boilers, small coal furnaces, small chemical equipment and biomass used by small enterprises or individuals is not effectively treated, although direct burning of coal and biomass is forbidden by many local governments and the use of medium and small boilers and hot blast stoves is limited, the effect is not obvious, for example, a large amount of flue gas and tar are generated in the process of drying and smoking areca nuts, and the emission standard of tail gas cannot be met.
Therefore, there is a need to develop a flue gas purification device with vortex separation and biomass adsorption, which can recover tar in flue gas and purify dust in flue gas, thereby improving tar recovery efficiency and flue gas purification effect.
Disclosure of Invention
The invention aims to provide a flue gas purification device adopting vortex separation and biomass adsorption, which recycles tar in flue gas and separates dust in the flue gas by using a method of vortex separation and biomass adsorption so as to reach the emission standard.
In order to achieve the above object, the present invention provides a flue gas purification device using vortex separation and biomass adsorption, comprising:
the fan is used for absorbing smoke;
the vortex separation device is sleeved outside the fan and provided with a flue gas inlet and a volute exhaust port, and the flue gas inlet is communicated with a smoke outlet of the fan;
flue gas adsorption equipment, flue gas adsorption equipment locates vortex separator top includes by lower supreme living beings bed, granule bed and the dropping liquid device that sets gradually, living beings bed with vortex separator's volute gas vent intercommunication.
Preferably, vortex separator includes the volute and locates a plurality of guide plates in the volute, the volute is the spiral, encircles the fan setting, including bottom plate, roof, inboard wallboard, outside wallboard and front end plate and the back end plate of splicing each other, the guide plate connect in the roof, and follow the circumference of volute is arranged in proper order, the flue gas import is located on the front end plate of volute, be connected with the play smoke mouth of fan, the volute gas vent is located the roof, and be located adjacent two between the guide plate, the bottom of outside wallboard is equipped with the oil extraction pipe, the oil extraction pipe is located the minimum of volute.
Preferably, the angle α formed between the deflector and the horizontal direction1，α1The range of (A) is between 15 and 50 degrees; an included angle alpha is formed between the bottom plate and the horizontal direction2，α2In the range of 5 to 25 deg.
Preferably, the biomass bed comprises a plurality of first outer covers, a plurality of first reticulated shells and biomass materials, the cross section of each first reticulated shell is in a fan shape, the first reticulated shells surround to form a first circular ring, each first outer cover is arranged on the radial outer side face of one first reticulated shell, every two adjacent first outer covers are connected in a sealing mode, and the biomass materials are filled in the first reticulated shells.
Preferably, the particle bed comprises a plurality of second outer covers, a plurality of second reticulated shells and particle materials, the cross section of each second reticulated shell is in a fan shape, the second reticulated shells surround a second ring, each second outer cover is arranged on the radial outer side face of one second reticulated shell, two adjacent second outer covers are connected in a sealing mode, the particle materials are filled in the second reticulated shells, a gas collecting pipe is arranged above the particle bed, and a tail gas discharge port is arranged above the gas collecting pipe.
Preferably, the dropping liquid device is including joining in marriage liquid case, dropping liquid pipe and accuse liquid valve, join in marriage the liquid case and be arranged in the splendid attire neutralizing liquid, the dropping liquid pipe passes through accuse liquid valve connect in join in marriage the liquid case and set up in granule bed top, set up a plurality of drip holes on the dropping liquid pipe.
Preferably, the biomass bed further comprises an annular liquid collecting tank, wherein the annular liquid collecting tank is arranged at the bottom of the biomass bed and is used for containing the neutralizing liquid seeped from the biomass bed.
Preferably, a cradle is also included for supporting the bed of biomass and the bed of particles.
Preferably, the biomass particle separator further comprises a spacer sleeve, wherein the spacer sleeve is fixedly arranged on the bracket and is positioned between the biomass bed and the particle bed.
Preferably, the smoke exhaust device further comprises a smoke exhaust pipeline, one end of the smoke exhaust pipeline is a pipeline smoke inlet, and the other end of the smoke exhaust pipeline is connected to the smoke inlet of the fan.
The invention has the beneficial effects that:
1. the method comprises the following steps of (1) sucking flue gas into a vortex separation device by using a fan, wherein the flue gas flows at a high speed in the vortex separation device under the action of the pressure of the fan so as to separate dust and tar in the flue gas; then the gas enters the biomass bed and the particle bed in sequence through a volute exhaust port of the vortex separation device, tar and dust particles in the flue gas are further neutralized and filtered, the flue gas reaches the emission standard, the cyclic utilization of tar and aromatic substances in the flue gas is realized, the process is simple, and the cost is low.
2. The flue gas flows along the scroll at a high speed under the pressure action of the fan, so that tar and dust particles in the flue gas are adhered to the guide plate and drop to the bottom of the scroll, the flue gas is discharged by the oil discharge pipe, the discharged liquid can be purified, and the tar and aromatic substances can be recovered.
3. The biomass material with tar and aromatic substances adsorbed in the biomass bed can be incinerated again for use, which is not only beneficial to the comprehensive utilization of the flue gas, but also beneficial to the purification of the flue gas.
4. The neutralizing liquid in the liquid collecting box is dripped into the particle bed through the dropping liquid pipe to wet particle materials in the particle bed, the flue gas enters the bottom of the particle bed through the top of the biomass bed under the action of the pressure of the fan, flows upwards in a seepage manner, is purified again through the filtering action of the particles and the adsorption action of water molecules adhered to the surfaces of the particles, and then is discharged as tail gas.
5. The spacer is provided to prevent the flue gas exiting the volute exhaust port from passing through the biomass bed and the particle bed and being discharged directly to the atmosphere.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic block diagram of a flue gas cleaning device with vortex separation and biomass adsorption according to one embodiment of the invention.
FIG. 2 illustrates a partial cross-sectional view of a vortex separation device according to one embodiment of the present invention.
FIG. 3 illustrates a top view of a vortex separation device according to one embodiment of the present invention.
FIG. 4 shows a partial cross-sectional view of a header tank according to one embodiment of the invention.
Fig. 5 shows a schematic structural view of a bracket according to an embodiment of the present invention.
Fig. 6 shows a cross-sectional view a-a of fig. 1.
Fig. 7 shows a B-B cross-sectional view of fig. 1.
Description of the reference numerals
1. A fan; 2. a vortex separation device; 3. a machine base; 4. an annular header tank; 5. a flue gas adsorption device; 6. a biomass bed; 7. a bracket; 8. a spacer sleeve; 9. a bed of particles; 10. a smoke suction pipe; 11. a gas collecting pipe; 12. a tail gas discharge port; 13. a liquid distribution box; 14. a liquid control valve; 15. a dropping tube; 16. a liquid discharge pipe; 17. an oil discharge pipe; 18. a top plate; 19. a flue gas inlet; 20. a baffle; 21. an outer side wall panel; 22. a base plate; 23. a volute exhaust port; 24. an inner side wall panel; 25. a volute; 26. an outer side plate of the liquid collecting box; 27. an inner side plate of the liquid collecting box; 28. an annular base plate; 29. an inner flange of the liquid collecting box; 30. an outer flange of the liquid collecting tank; 31. a lower inner ring; 32. a lower outer ring; 33. an outer ring strut; 34. an inner ring strut; 35. a middle outer ring; 36. a middle inner ring; 37. an upper outer ring; 38. an upper inner ring; 39. a first outer cover; 40. a first reticulated shell; 41. a biomass material; 42. a second outer cover; 43. a second reticulated shell; 44. a particulate material.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The flue gas purification device with vortex separation and biomass adsorption comprises:
the fan is used for absorbing the flue gas and providing flue gas purification energy;
the vortex separation device is sleeved outside the fan and provided with a flue gas inlet and a volute exhaust port, and the flue gas inlet is communicated with a flue gas outlet of the fan;
flue gas adsorption equipment, flue gas adsorption equipment locate vortex separator top, include by biomass bed, granule bed and the dropping liquid device that supreme set gradually down, biomass bed and vortex separator's volute gas vent intercommunication.
Specifically, a fan is used for blowing the flue gas into the vortex separation device, and the flue gas flows at a high speed in the vortex separation device under the action of the pressure of the fan so as to separate dust and tar in the flue gas; then the gas enters the biomass bed and the particle bed in sequence through a volute exhaust port of the vortex separation device, tar and dust particles in the flue gas are further neutralized and filtered, the flue gas reaches the emission standard, the cyclic utilization of tar and aromatic substances in the flue gas is realized, the process is simple, and the cost is low.
As preferred scheme, vortex separator includes the volute and locates a plurality of guide plates in the volute, and the volute is the spiral, encircles the fan setting, including the bottom plate of mutual concatenation, roof, inboard wallboard, outside wallboard and front end plate and back end plate, the guide plate is connected in the roof, and arranges in proper order along the circumference of volute, and on the front end plate of volute was located to the flue gas import, was connected with the outlet flue of fan, and the roof was located to the volute gas vent, and was located between two adjacent guide plates, and the bottom of outside wallboard is equipped with the oil extraction pipe, the oil extraction pipe is located the minimum of volute.
Specifically, the flue gas flows along the scroll at a high speed under the pressure action of the fan, so that tar and dust particles in the flue gas are adhered to the guide plate and drop to the bottom of the scroll, the flue gas is discharged from the oil discharge pipe, the discharged liquid can be purified, and the tar and aromatic substances can be recovered.
In the volute, the flue gas flows along the flue gas passageway of volute circumference, and the direction of setting up of guide plate is unanimous with the flue gas flow direction.
Preferably, the angle alpha is formed between the guide plate and the horizontal direction1，α1The range of (A) is between 15 and 50 degrees; the bottom plate forms an included angle alpha with the horizontal direction2，α2In the range of 5 to 25 deg.
Preferably, the biomass bed comprises a plurality of first outer covers, a plurality of first reticulated shells and biomass materials, the cross section of each first reticulated shell is fan-shaped, the first reticulated shells surround to form a first circular ring, each first outer cover is arranged on the radial outer side face of one first reticulated shell, every two adjacent first outer covers are connected in a sealing mode, and the biomass materials are filled in the first reticulated shells.
Specifically, the biomass material adsorbed with tar and aromatic substances in the biomass bed can be incinerated again for utilization, which is beneficial to comprehensive utilization of flue gas and purification of flue gas, and the biomass material can be wood chips, wood residues, branches, leaves and the like;
the first reticulated shell is made of a screen mesh woven by stainless steel wires, and the aperture of the mesh of the first reticulated shell is 5-50 mm.
As the preferred scheme, the particle bed comprises a plurality of second outer covers, a plurality of second reticulated shells and particle materials, the cross sections of the second reticulated shells are fan-shaped, the second reticulated shells surround to form a second circular ring, each second outer cover is arranged on the radial outer side face of one second reticulated shell, the two adjacent second outer covers are connected in a sealing mode, the particle materials are filled in the second reticulated shells, a gas gathering pipe is arranged above the particle bed, and a tail gas discharge port is arranged above the gas gathering pipe.
Specifically, the neutralizing liquid in the liquid distribution box is dripped into the particle bed through a dripping pipe to wet particle materials in the particle bed, the flue gas enters the bottom of the particle bed through the top of the biomass bed under the action of the pressure of a fan and flows upwards in a seepage manner, the flue gas is purified again through the filtering action of particles and the adsorption action of water molecules adhered to the surfaces of the particles, and then the flue gas is discharged as tail gas, wherein the particle materials can be quartz sand or activated carbon.
The second reticulated shell is made of a screen mesh woven by stainless steel wires, and the aperture of the mesh of the second reticulated shell is 0.5-10 mm.
As preferred scheme, the dropping liquid device is including joining in marriage liquid case, dropping liquid pipe and accuse liquid valve, joins in marriage the liquid case and is used for the splendid attire neutralizing liquid, and the dropping liquid pipe passes through accuse liquid valve to be connected in joining in marriage the liquid case and set up in granule bed top, offers a plurality of dropping liquid holes on the dropping liquid pipe.
Specifically, the neutralizing solution may be tap water, lime aqueous solution or sodium hydroxide solution, if the generated flue gas does not need to be subjected to desulfurization and denitrification treatment, tap water may be used as the neutralizing solution, and if the desulfurization and denitrification treatment is needed, lime aqueous solution or sodium hydroxide solution is used; the liquid control valve is used for controlling the size of the dripping liquid.
Preferably, the biomass bed further comprises an annular liquid collecting tank, wherein the liquid collecting tank is arranged at the bottom of the biomass bed and is used for containing neutralizing liquid seeped from the biomass bed.
Specifically, the liquid collecting box includes annular bottom plate, liquid collecting box outer panel, liquid collecting box inner flange and liquid collecting box outer flange, liquid collecting box outer panel and liquid collecting box inner panel set up along the outside edge and the inboard edge of annular bottom plate respectively, form annular liquid collecting box, liquid collecting box inner flange sets up along the top edge level of liquid collecting box inner panel, extend to the radial inboard of liquid collecting box, liquid collecting box outer flange sets up along the top edge level of liquid collecting box outer panel, extend to the radial outside of liquid collecting box, the bottom of liquid collecting box is equipped with the leakage fluid dram.
Preferably, the biomass particle bed further comprises a bracket, and the bracket is used for supporting the biomass bed and the particle bed.
Specifically, the bracket comprises an inner ring, an outer ring, an inner ring strut and an outer ring strut, wherein the inner ring comprises a lower inner ring, a middle inner ring and an upper inner ring which are arranged in parallel and fixedly connected with the inner ring strut, the outer ring comprises a lower outer ring, a middle outer ring and an upper outer ring which are arranged in parallel and fixedly connected with the outer ring strut, the biomass bed is fixed among the lower inner ring, the middle inner ring, the lower outer ring and the middle outer ring, and the particle bed is fixed among the middle inner ring, the upper inner ring, the middle outer ring and the upper outer ring.
Preferably, the biomass particle bed further comprises a spacer bush, wherein the spacer bush is fixedly arranged on the bracket and is positioned between the biomass bed and the particle bed.
Specifically, the spacer bush is fixedly arranged on the inner side of the middle inner ring and is connected with the middle inner ring in a sealing mode.
The inner ring is divided into an upper part and a lower part by the spacer bush, so that the smoke discharged from the exhaust port of the volute is prevented from being directly discharged into the atmosphere without passing through the biomass bed and the particle bed.
Preferably, the smoke exhaust device further comprises a smoke exhaust pipeline, one end of the smoke exhaust pipeline is a pipeline smoke inlet, and the other end of the smoke exhaust pipeline is connected to the smoke inlet of the fan.
Specifically, the smoke absorption pipeline penetrates through the particle bed, the biomass bed and the spacer bush to be connected to an air inlet of the fan, and the outer wall of the smoke absorption pipeline is connected with the spacer bush in a sealing mode.
The flue gas purification method by using the flue gas purification device comprises the following steps:
1) opening a liquid control valve on the liquid dropping device to enable the neutralizing liquid in the liquid dropping device to drop into the particle bed through a liquid dropping pipe;
2) starting a fan, blowing the flue gas into the vortex separation device, enabling the flue gas to flow at a high speed in the vortex separation device, generating a larger centrifugal force, and enabling liquid substances such as tar, water and the like in the flue gas to be collected along the bottom plate of the annular volute and be discharged through an oil discharge pipe under the guiding and separating effects of the guide plate;
3) the smoke filtered by the vortex separation device enters the biomass bed from the volute exhaust port, flows in the biomass bed in a seepage manner, and is contacted with the biomass material in the biomass bed, so that substances such as tar in the smoke are adsorbed by the biomass material, and the secondary recovery of the substances such as tar is completed;
4) the flue gas filtered by the biomass bed enters a particle bed and flows in the particle bed in a seepage way, so that dust particles in the flue gas and gas to be purified are further adsorbed and neutralized by liquid films on the surfaces of particles in the particle bed;
5) the smoke filtered by the particle bed is collected in a gas collecting pipe and is discharged into the atmosphere through a tail gas outlet.
Examples
Fig. 1 shows a schematic block diagram of a flue gas purification device with vortex separation and biomass adsorption according to the present embodiment; FIG. 2 illustrates a partial cross-sectional view of a vortex separation apparatus according to the present embodiment; FIG. 3 shows a top view of a vortex separation apparatus according to the present embodiment; FIG. 4 shows a partial cross-sectional view of a header tank according to the present embodiment; fig. 5 shows a schematic structural view of a bracket according to the present embodiment; FIG. 6 shows a cross-sectional view A-A of FIG. 1; fig. 7 shows a B-B cross-sectional view of fig. 1.
As shown in fig. 1 to 7, the flue gas cleaning apparatus includes:
the vortex separation device 2 is sleeved outside the fan 1 and comprises a volute 25 and a plurality of guide plates 20 arranged in the volute 25, the volute 25 is spiral and is arranged around the fan and comprises a bottom plate 22, a top plate 18, an inner side wall plate 24, an outer side wall plate 21, a front end plate and a rear end plate which are spliced with each other, the guide plates 20 are connected to the top plate 18 and are sequentially arranged along the circumferential direction of the volute 25, a smoke inlet 19 is arranged on the front end plate of the volute 25 and is communicated with a smoke outlet of the fan 1, a volute exhaust port 23 is arranged on the top plate 18 and is positioned between two adjacent guide plates 20, an oil discharge pipe 17 is arranged at the bottom of the outer side wall plate 21 and is positioned at the lowest point of the volute, the included angle between the guide plates 20 and the horizontal direction is 30 degrees, the included angle between the bottom plate 22 and the horizontal direction is 20 degrees, and the vortex separation device is supported by the base 3;
the flue gas adsorption device 5 is arranged above the vortex separation device 2 and comprises a biomass bed 6, a particle bed 9 and a liquid dropping device which are sequentially arranged from bottom to top, the biomass bed 6 is communicated with a vortex exhaust port 23 of the vortex separation device 2, the biomass bed 6 comprises a plurality of first outer covers 39, a plurality of first reticulated shells 40 and biomass materials 41, the cross sections of the first reticulated shells 40 are fan-shaped, the first reticulated shells 40 surround to form a first circular ring, each first outer cover 39 is arranged on the radial outer side surface of one first reticulated shell 40, two adjacent first outer covers 39 are connected in a sealing manner, and the biomass materials 41 are filled in the first reticulated shells 40; the particle bed 9 comprises a plurality of second outer covers 42, a plurality of second reticulated shells 43 and particle materials 44, the cross section of each second reticulated shell 43 is in a fan shape, the second reticulated shells 43 enclose a second circular ring, each second outer cover 42 is arranged on the radial outer side surface of one second reticulated shell 43, two adjacent second outer covers 42 are connected in a sealing manner, the particle materials 44 are filled in the second reticulated shells 43, a gas collecting pipe 11 is arranged above the particle bed 9, and a tail gas discharge port 12 is arranged above the gas collecting pipe 11; the dropping liquid device is including joining in marriage liquid case 13, dropping liquid pipe 15 and accuse liquid valve 14, joins in marriage liquid case 13 and is used for the splendid attire neutralization liquid, and dropping liquid pipe 15 connects in joining in marriage liquid case 13 and sets up in granule bed 9 top through accuse liquid valve 14, offers a plurality of drip holes on dropping liquid pipe 15.
The liquid collecting box 5 is arranged at the bottom of the biomass bed 6 and used for containing neutralizing liquid seeped from the biomass bed 6, and comprises an annular bottom plate 28, a liquid collecting box outer side plate 26, a liquid collecting box inner side plate 27, a liquid collecting box inner flange 29 and a liquid collecting box outer flange 30, wherein the liquid collecting box outer side plate 26 and the liquid collecting box inner side plate 27 are respectively arranged along the outer edge and the inner edge of the annular bottom plate 28 to form the annular liquid collecting box 4, the liquid collecting box inner flange 29 is horizontally arranged along the top edge of the liquid collecting box inner side plate 27 and extends to the radial inner side of the liquid collecting box 4, the liquid collecting box outer flange 30 is horizontally arranged along the top edge of the liquid collecting box outer side plate 26 and extends to the radial outer side of the liquid collecting box 4, and the bottom of the liquid collecting box 4 is provided with a liquid discharge pipe 16.
The bracket 7 is used for supporting the flue gas adsorption device 5, and comprises an inner ring, an outer ring, an inner ring strut 34 and an outer ring strut 33, wherein the inner ring comprises a lower inner ring 31, a middle inner ring 36 and an upper inner ring 38 which are arranged in parallel and fixedly connected to the inner ring strut 34, the outer ring comprises a lower outer ring 32, a middle outer ring 35 and an upper outer ring 37 which are arranged in parallel and fixedly connected to the outer ring strut 33, the biomass bed 6 is fixed among the lower inner ring 31, the middle inner ring 36, the lower outer ring 32 and the middle outer ring 35, and the particle bed 9 is fixed among the middle inner ring 36, the upper inner ring 38, the middle outer ring 35 and the upper outer ring 37; the spacer 8 is fixedly arranged on the inner side of the middle inner ring 36 and is hermetically connected with the middle inner ring 36, the spacer 8 divides the inner ring into an upper part and a lower part, and a through hole is formed in the spacer 8.
The smoke absorption pipeline 10 sequentially penetrates through the particle bed 9, the through hole in the spacer bush 8 and the biomass bed 6 and is connected to the air inlet of the fan 1, and the smoke absorption pipeline 10 is hermetically connected with the through hole in the spacer bush 8.
The smoke absorbing pipeline 10 is connected with a smoke exhaust pipe of the betel nut drying machine, the smoke absorbing pipeline 10 introduces smoke generated in the betel nut drying machine into an air inlet of the fan 1, then the smoke enters the vortex separation device 2 through a smoke outlet of the fan 1, and due to the centrifugal force of a high-speed rotating impeller of the fan 1 and the separation effect of the volute 25 and the guide plate 20, hydrate of betel nut tar and aromatic substances in the smoke is collected along the inclined bottom plate 22 of the volute 25, flows out through the oil discharge pipe 17 and is recovered. The smoke of the areca nut dryer is exhausted in a positive pressure mode through a volute exhaust port 23 of a volute 25, and the positive pressure smoke is blocked by a spacer sleeve 8 and enters each biomass bed 6; under the positive pressure effect of the fan 1, the smoke of the betel nut dryer flows upwards in each biomass bed 6 in a seepage manner, and the residual tar and hydrate of aromatic substances in the smoke of the betel nut dryer are adsorbed and filtered by the biomass material of the rubber trees filled in each biomass bed 6. The biomass material of the rubber tree adsorbed with the tar and the aromatic substances of the betel nut is a high-quality fuming substance for smoking the betel nut, and can be used for smoking the betel nut and recycling the residual tar and the aromatic substances in smoke. The liquid recovered from the drain pipe 16 and the oil drain pipe 17 can be purified, wherein the betel nut tar and aromatic substances are also high-quality additives for preparing high-quality betel nuts.
The areca nut dryer flue gas absorbed and filtered by the biomass material 41 enters the bottom of the particle bed 9 through the top of the biomass bed 6 under the pressure of the fan 1, flows upwards in a seepage manner, then is converged into the gas converging pipe 11, and is discharged into the atmosphere through the tail gas discharge port 12. Tap water located in the distribution box 13 is dripped 15 into the granular bed 9 through a dripping pipe to wet the quartz sand granules in the granular bed 9. Through the filtering action of the quartz sand particles and the adsorption action of water molecules adhered to the surfaces of the quartz sand particles, the flue gas of the betel nut dryer is purified again and then is discharged as tail gas. The amount of dripping water in the dripping pipe 15 can be regulated by the liquid control valve 14. Therefore, the invention can realize the recovery of tar and aromatic substances in the smoke of the areca-nut dryer and purify the exhaust gas to meet the emission requirements.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. The utility model provides a vortex separation and adsorbed gas cleaning device of living beings which characterized in that, this gas cleaning device includes:
the fan (1), the said fan (1) is used for absorbing the flue gas;
the vortex separation device (2) is sleeved outside the fan (1), a flue gas inlet (19) and a volute exhaust port (23) are formed in the vortex separation device (2), and the flue gas inlet (19) is communicated with a flue gas outlet of the fan (1);
the flue gas adsorption device (5) is arranged above the vortex separation device (2) and comprises a biomass bed (6), a particle bed (9) and a liquid dropping device which are sequentially arranged from bottom to top, and the biomass bed (6) is communicated with a volute exhaust port (23) of the vortex separation device (2);
the vortex separation device (2) comprises a volute (25) and a plurality of guide plates (20) arranged in the volute (25), the volute (25) is spiral and arranged around the fan, and comprises a bottom plate (22), a top plate (18), an inner side wall plate (24), an outer side wall plate (21), a front end plate and a rear end plate which are mutually spliced, the guide plate (20) is connected to the top plate (18), and are arranged in sequence along the circumferential direction of the volute (25), the flue gas inlet (19) is arranged on the front end plate of the volute (25), is connected with the smoke outlet of the fan (1), the volute exhaust port (23) is arranged on the top plate (18), and is located between two adjacent guide plates (20), the bottom of outside wallboard (21) is equipped with oil extraction pipe (17), oil extraction pipe (17) are located the minimum of volute (25).
2. The flue gas purification device with vortex separation and biomass adsorption according to claim 1, wherein the angle α formed between the deflector (20) and the horizontal direction1，α1The range of (A) is between 15 and 50 degrees; an included angle alpha is formed between the bottom plate (22) and the horizontal direction2，α2In the range of 5 to 25 deg.
3. The flue gas purification device with vortex separation and biomass adsorption according to claim 1, wherein the biomass bed (6) comprises a plurality of first outer covers (39), a plurality of first reticulated shells (40) and biomass materials (41), the cross section of the first reticulated shell (40) is a sector, the plurality of first reticulated shells (40) enclose a first circular ring, each first outer cover (39) is arranged on the radial outer side surface of one first reticulated shell (40), the adjacent two first outer covers (39) are connected in a sealing manner, and the biomass materials (41) are filled in the first reticulated shells (40).
4. The flue gas purification device with vortex separation and biomass adsorption as claimed in claim 1, wherein the particle bed (9) comprises a plurality of second outer covers (42), a plurality of second reticulated shells (43) and particle materials (44), the cross section of the second reticulated shells (43) is a sector, the plurality of second reticulated shells (43) enclose a second circular ring, each second outer cover (42) is arranged on the radial outer side surface of one second reticulated shell (43), the two adjacent second outer covers (42) are connected in a sealing manner, the particle materials (44) are filled in the second reticulated shells (43), a gas collecting pipe (11) is arranged above the particle bed 9, and a tail gas discharge port (12) is arranged above the gas collecting pipe.
5. The flue gas purification device adopting vortex separation and biomass adsorption as claimed in claim 1, wherein the dropping device comprises a liquid distribution box (13), a dropping liquid pipe (15) and a liquid control valve (14), the liquid distribution box (13) is used for containing neutralization liquid, the dropping liquid pipe (15) is connected to the liquid distribution box (13) through the liquid control valve (14) and is arranged above the particle bed (9), and a plurality of dropping liquid holes are formed in the dropping liquid pipe (15).
6. The vortex separation and biomass adsorption flue gas purification device according to claim 5, further comprising an annular header tank (4), wherein the annular header tank (4) is arranged at the bottom of the biomass bed (6) and is used for containing the neutralizing liquid seeped from the biomass bed (6).
7. The vortex separation and biomass adsorption flue gas purification device according to claim 1, further comprising a bracket (7), the bracket (7) being used to support the biomass bed (6) and the particle bed (9).
8. The vortex separation and biomass adsorption flue gas purification device according to claim 7, further comprising a spacer sleeve (8), wherein the spacer sleeve (8) is fixedly mounted on the bracket (7) between the biomass bed (6) and the particle bed.
9. The flue gas purification device with vortex separation and biomass adsorption as claimed in claim 1, further comprising a smoke suction pipeline (10), wherein one end of the smoke suction pipeline (10) is a pipeline smoke inlet, and the other end of the smoke suction pipeline (10) is connected to the smoke inlet of the fan (1).
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524765A (en) * | 1976-02-27 | 1978-09-13 | Unisearch Ltd | Process and apparatus for the aerobic biological purification of liquid wastes containing organic pollutants |
| CN201513351U (en) * | 2009-10-23 | 2010-06-23 | 石家庄嘉祥精密机械有限公司 | Embedded oil-gas eccentric separator |
| CN107737505A (en) * | 2017-11-13 | 2018-02-27 | 武汉轻工大学 | Grain bed seepage flow liquid film auto purification type flue gas processing device |
| CN208032312U (en) * | 2018-02-06 | 2018-11-02 | 深圳市清绿源环境技术股份有限公司 | A kind of flue gas processing device |
-
2019
- 2019-03-25 CN CN201910228180.1A patent/CN109954362B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524765A (en) * | 1976-02-27 | 1978-09-13 | Unisearch Ltd | Process and apparatus for the aerobic biological purification of liquid wastes containing organic pollutants |
| CN201513351U (en) * | 2009-10-23 | 2010-06-23 | 石家庄嘉祥精密机械有限公司 | Embedded oil-gas eccentric separator |
| CN107737505A (en) * | 2017-11-13 | 2018-02-27 | 武汉轻工大学 | Grain bed seepage flow liquid film auto purification type flue gas processing device |
| CN208032312U (en) * | 2018-02-06 | 2018-11-02 | 深圳市清绿源环境技术股份有限公司 | A kind of flue gas processing device |
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