CN218130989U - Waste gas treatment device for waste incineration power plant - Google Patents
Waste gas treatment device for waste incineration power plant Download PDFInfo
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- CN218130989U CN218130989U CN202221785410.8U CN202221785410U CN218130989U CN 218130989 U CN218130989 U CN 218130989U CN 202221785410 U CN202221785410 U CN 202221785410U CN 218130989 U CN218130989 U CN 218130989U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The utility model discloses a waste gas treatment device is used in msw incineration power plant, include: the side wall of the bottom of the body is provided with an air inlet pipe, and the top of the body is provided with an air outlet pipe; the bottom of the body is provided with a liquid collection cavity; an inner shaft and an outer shaft sleeved outside the inner shaft are vertically arranged in the body, the top end of the inner shaft extends out of the outer shaft to be connected with the spraying disc, and a plurality of first spraying holes are formed in the bottom surface of the spraying disc; the bottom end of the outer shaft and the bottom end of the inner shaft both downwards penetrate through the body and are connected with the driving mechanism; the bottom end of the inner shaft is connected with a liquid inlet pipe through a rotary joint; the outer surface of the outer shaft is provided with stirring blades; a convex shoulder is arranged on the side wall of the body above the spraying disc and connected with at least 2 liquid through pipes, and a plurality of spraying holes II are formed in the bottom surface of the convex shoulder; and the adsorption unit is positioned below the air outlet pipe. The utility model provides a waste gas treatment device is used in msw incineration power plant, waste gas with spray liquid fully contact, purification treatment is effectual.
Description
Technical Field
The utility model relates to a waste power generation field especially relates to a waste gas treatment device is used in msw incineration power plant.
Background
The garbage incineration is suitable for household garbage, medical garbage, general industrial garbage and the like, and compared with landfill and compost, the garbage incineration saves land and cannot cause pollution to surface water and underground water. The method for generating electricity by burning garbage is one of the methods for solving the problem of garbage, and the method for generating electricity by burning garbage not only can reduce the stacking of the garbage, but also can eliminate the spread of bacteria and infectious diseases, simultaneously reduce the environmental pollution and obtain a certain amount of electric energy from the environment. Waste gas generated by waste incineration power generation is a main pollutant, and the direct emission of the waste gas can destroy the atmospheric environment, so that the waste gas needs to be treated and then emitted.
In prior art, exhaust treatment device's shower direct mount sprays absorption processing to waste gas inside the device, because has the clearance between shower nozzle and the shower nozzle of shower nozzle, has the clearance between shower nozzle and processing apparatus's the lateral wall, waste gas from these clearances direct through not contact with the absorption liquid, lead to waste gas and absorption liquid contact not comprehensive inhomogeneous, influence exhaust-gas treatment absorption effect, reduce exhaust-gas treatment efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
In order to solve the deficiencies of the prior art, the utility model provides a waste gas treatment device is used in msw incineration power plant, include:
the side wall of the bottom of the body is provided with an air inlet pipe, and the top of the body is provided with an air outlet pipe; the bottom of the body is provided with a liquid collecting cavity, and the liquid collecting cavity is provided with a liquid discharging hole;
an inner shaft and an outer shaft sleeved outside the inner shaft are vertically arranged in the body, the top end of the inner shaft extends out of the outer shaft to be connected with the spraying disc, a cavity of the inner shaft is communicated with a cavity of the spraying disc, and a plurality of first spraying holes are formed in the bottom surface of the spraying disc; the bottom end of the outer shaft and the bottom end of the inner shaft both downwards penetrate through the body and are connected with a driving mechanism for driving the outer shaft and the inner shaft to coaxially and reversely rotate; the bottom end of the inner shaft is connected with a liquid inlet pipe through a rotary joint; the outer surface of the outer shaft is provided with stirring blades;
an annular convex shoulder is arranged on the side wall of the body above the spray plate, the convex shoulder with a cavity is connected with at least 2 liquid through pipes, and a plurality of spray holes II are formed in the bottom surface of the convex shoulder;
and the adsorption unit is positioned below the air outlet pipe.
The waste heat recovery device further comprises a waste heat recovery box, wherein the air inlet pipe is connected with the waste heat recovery box, and the waste heat recovery box is connected with an external waste gas source through a waste gas inlet pipe; the waste heat recovery box comprises a box body, the box body is provided with a water inlet and a water outlet, a heat exchange tube in a bent shape is arranged in the box body, one end of the heat exchange tube is connected with the waste gas inlet tube, and the other end of the heat exchange tube is connected with the air inlet tube.
Furthermore, an exhaust fan is installed on the air outlet pipe.
Furthermore, the driving mechanism comprises a first bevel gear and a motor, the first bevel gear is installed on an output shaft of the motor, a second bevel gear is coaxially arranged at the top end of the inner shaft, a third bevel gear is coaxially arranged on the outer shaft, and the second bevel gear and the third bevel gear are simultaneously meshed with the first bevel gear.
Further, the width from the outer ring wall to the inner ring wall of the shoulder is larger than the width from the side wall of the spray disc to the side wall of the body.
Furthermore, the adsorption unit comprises a pair of screens which are sequentially arranged from top to bottom, and 2 adsorption fillers are filled between the screens.
Furthermore, the screen is arranged in an inclined manner, a feed inlet is formed in the side wall of the body at the inclined high end of the screen, and a discharge outlet is formed in the side wall of the body at the inclined low end of the screen.
Furthermore, a support rod is vertically arranged in the center of the top surface of the spraying disc, and the top end of the support rod extends upwards to penetrate through the adsorption unit and be rotatably connected with the top wall of the body.
The utility model discloses at least, include following beneficial effect:
1. the spraying disc of the utility model is matched with the convex shoulder to carry out double spraying on the waste gas, thereby ensuring that the waste gas is fully and comprehensively contacted with the absorption liquid, and further improving the waste gas treatment efficiency; the waste gas after twice spraying is absorbed by the absorption unit to remove harmful components in the waste gas, thereby enhancing the purification treatment effect of the waste gas, reducing the pollution to the atmospheric environment and being beneficial to protecting the environment;
2. absorbing liquid sprayed out of the first spraying holes at the bottom of the spraying disc is contacted with the upward flowing waste gas, and meanwhile, the spraying disc is driven by the inner shaft to rotate, so that the sprayed absorbing liquid is in a scattered state, the contact area between the sprayed absorbing liquid and the waste gas is increased, and the comprehensive and sufficient contact reaction between the waste gas and the absorbing liquid is promoted; at the moment, the waste gas after primary spraying continues to flow upwards from the gap between the side wall of the body and the spraying disc under the blocking of the spraying disc, absorption liquid is sprayed out of the spraying holes II at the bottom of the convex shoulder to carry out secondary absorption treatment on the waste gas, the treatment effect of the waste gas is ensured, the arrangement of the convex shoulder above the gap between the side wall of the body and the spraying disc effectively avoids spraying dead corners, and partial waste gas is prevented from directly flowing upwards through the gap between the spraying disc and the body and not fully contacting with the absorption liquid;
3. thereby outer axle drives stirring vane and rotates dispersion waste gas, and stirring vane direction of rotation is opposite with the direction of rotation of shower tray, further stirs waste gas and makes waste gas evenly spread to the body inside and absorb the liquid contact.
Drawings
FIG. 1 is a schematic structural view of the waste gas treatment device for a waste incineration power plant of the present invention.
Reference numerals: 1-body, 11-air inlet pipe, 12-air outlet pipe, 13-feed inlet, 14-discharge outlet, 2-liquid collecting cavity, 21-liquid discharge hole, 3-inner shaft, 31-rotary joint, 32-liquid inlet pipe, 33-bevel gear II, 34-support rod, 4-outer shaft, 41-stirring blade, 42-bevel gear III, 5-spray disc, 51-spray hole I, 6-driving mechanism, 61-bevel gear I, 62-motor, 7-shoulder, 71-liquid through pipe, spray hole II 72, 8-adsorption unit, 81-screen, 82-adsorption filler, 9-waste heat recovery box, 91-waste gas inlet pipe, 92-box body, 921-water inlet, 922-water outlet and 93-heat exchange pipe.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1 shows the utility model discloses a waste gas treatment device is used in msw incineration power plant, include:
the air conditioner comprises a body 1, wherein the side wall of the bottom of the body is provided with an air inlet pipe 11, and the top of the body is provided with an air outlet pipe 12; the bottom of the body 1 is provided with a liquid collecting cavity 2, and the liquid collecting cavity 2 is provided with a liquid discharging hole 21;
an inner shaft 3 and an outer shaft 4 sleeved outside the inner shaft 3 are vertically arranged inside the body 1, the top end of the inner shaft 3 extends out of the outer shaft 4 to be connected with a spray disc 5, a cavity of the inner shaft 3 is communicated with a cavity of the spray disc 5, and a plurality of first spray holes 51 are formed in the bottom surface of the spray disc 5; the bottom ends of the outer shaft 4 and the inner shaft 3 both downwards penetrate through the body 1 and are connected with a driving mechanism 6 for driving the two to coaxially and reversely rotate; the bottom end of the inner shaft 3 is connected with a liquid inlet pipe 32 through a rotary joint 31; the outer surface of the outer shaft 4 is provided with stirring blades 41;
an annular convex shoulder 7 is arranged on the side wall of the body 1 above the spray disc 5, the convex shoulder 7 with a cavity is connected with at least 2 liquid through pipes 71, and the bottom surface of the convex shoulder 7 is provided with a plurality of second spray holes 72;
and the adsorption unit 8 is positioned below the gas outlet pipe 12.
In the technical scheme, an air inlet pipe 11 is used for inputting waste gas into a body 1, and an air outlet pipe 12 is used for discharging the treated gas; the liquid collecting cavity 3 is used for collecting the absorption treatment liquid sprayed from the spraying holes I51 and the spraying holes II 72, and the liquid discharging holes 21 are used for discharging the absorption liquid so as to facilitate subsequent recovery treatment and realize reutilization; the liquid inlet pipe 32 and the liquid through pipe 71 are respectively connected with an external absorption liquid source to fill absorption liquid into the spray disc 5 and the shoulder 7, and in order to fill the absorption liquid, pressure pumps are arranged on pipelines of the liquid inlet pipe 32 and the liquid through pipe 71 to enable the absorption liquid to be pumped into the spray disc 5 and the shoulder 7 smoothly, and the pressure pumps belong to products in the prior art;
the spraying disc 5 is matched with the convex shoulder 7 to carry out double spraying on the waste gas, so that the waste gas is fully and comprehensively contacted with the absorption liquid, and the waste gas treatment efficiency is improved; the waste gas after twice spraying is absorbed by the absorption unit 8 to remove harmful components in the waste gas, thereby enhancing the purification treatment effect of the waste gas, reducing the pollution to the atmospheric environment and being beneficial to protecting the environment; absorption liquid sprayed from the first spraying holes 51 at the bottom of the spraying disc 5 is contacted with the waste gas flowing upwards, and meanwhile, the spraying disc 5 is driven by the inner shaft 3 to rotate, so that the sprayed absorption liquid is in a dispersed state, the contact area between the sprayed absorption liquid and the waste gas is increased, and the comprehensive and sufficient contact reaction between the waste gas and the absorption liquid is promoted; at the moment, the waste gas after primary spraying continues to flow upwards from the gap between the side wall of the body 1 and the spraying disc 5 under the blocking of the spraying disc 5, the absorption liquid is sprayed out of the second spraying hole 72 at the bottom of the convex shoulder 7 to carry out secondary absorption treatment on the waste gas, the treatment effect of the waste gas is ensured, the arrangement of the convex shoulder 7 above the gap between the side wall of the body 1 and the spraying disc 5 effectively avoids spraying dead corners, and partial waste gas is prevented from directly flowing upwards through the gap between the spraying disc 5 and the body 1 and not fully contacting with the absorption liquid; the outer axle 4 drives the stirring blade 41 to rotate so as to disperse the waste gas, the rotating direction of the stirring blade 41 is opposite to that of the spraying disk 5, and the waste gas is further stirred so that the waste gas is uniformly diffused into the body 1 and contacts with the absorption liquid.
The waste heat recovery device further comprises a waste heat recovery tank 9, the air inlet pipe 11 is connected with the waste heat recovery tank 9, and the waste heat recovery tank 9 is connected with an external waste gas source through a waste gas inlet pipe 91; the waste heat recovery box 9 comprises a box body 92, the box body 92 is provided with a water inlet 921 and a water outlet 922, the water outlet 922 is connected with a heat supply pipe, a heat exchange pipe 93 which is bent is arranged inside the box body 92, one end of the heat exchange pipe 93 is connected with the waste gas inlet pipe 91, and the other end of the heat exchange pipe is connected with the air inlet pipe 11. High-temperature waste gas generated by waste incineration power generation enters the heat exchange tube 93 through the waste gas inlet tube 91, and when the high-temperature waste gas flows in the heat exchange tube 93, heat of the high-temperature waste gas is conducted into water in the box body 92, so that the water is heated by utilizing the heat of the high-temperature waste gas, the heated water is discharged into the heat supply tube for subsequent utilization, energy is saved, meanwhile, the temperature of the waste gas is reduced, and the high temperature of the waste gas is prevented from damaging the structure in the body 1; the bent arrangement of the heat exchange tube 93 prolongs the flowing time of the waste gas in the heat exchange tube 93, thereby improving the utilization rate of the heat of the waste gas.
In order to promote the flow of the waste gas in the body 1, an exhaust fan (not shown) is installed on the pipeline of the outlet pipe 12, and belongs to the prior art.
The driving mechanism 6 comprises a first bevel gear 61 and a motor 62, the first bevel gear 61 is mounted on an output shaft of the motor 62, a second bevel gear 33 is coaxially arranged at the top end of the inner shaft 3, a third bevel gear 42 is coaxially arranged on the outer shaft 4, the second bevel gear 33 and the third bevel gear 42 are simultaneously meshed with the first bevel gear 61, the axis of the first bevel gear 61 is perpendicular to the axis of the inner shaft 3, the motor 62 drives the bevel gear 61 to rotate, the second bevel gear 33 and the third bevel gear 42 are respectively meshed with the first bevel gear 61, so that the second bevel gear 33 and the third bevel gear 42 respectively rotate, and the rotating second bevel gear 33 and the rotating third bevel gear 42 respectively drive the inner shaft 3 and the outer shaft 4 to rotate, so that the inner shaft 3 and the outer shaft 4 reversely rotate; in order to protect the driving mechanism 5, a hollow shield can be selected to cover the bevel gear one 61, the bevel gear two 33 and the bevel gear three 42.
The width from the outer ring wall to the inner ring wall of the convex shoulder 7 is larger than the width from the side wall of the spray disc 5 to the side wall of the body 1, and by adopting the scheme, the waste gas flowing upwards from the gap between the spray disc 5 and the side wall of the body 1 can be ensured to be contacted with the absorption liquid sprayed out from the second spray holes 72 of the convex shoulder 7.
The adsorption unit 8 comprises a pair of screens 81 arranged from top to bottom in sequence, adsorption fillers 82 are filled between 2 screens 81, the adsorption fillers 82 can be activated carbon or zeolite, and the like, which is not limited herein, as long as the adsorption fillers can adsorb harmful substances in the exhaust gas; the screen mesh 81 is obliquely arranged, the side wall of the body 1 at the inclined high end of the screen mesh 84 is provided with the feed port 13, the side wall of the body 1 at the inclined low end of the screen mesh 84 is provided with the discharge port 14, the inclined screen mesh 84 is convenient for replacing and supplementing the adsorption filler 82, when the adsorption filler 82 needs to be replaced, the discharge port 14 is opened to discharge the adsorption filler, then the discharge port 14 is closed, the feed port 13 is opened, and new adsorption filler 82 is added between the two screen meshes 81 from the feed port 13.
The vertical bracing piece 34 that is equipped with in 5 top surfaces of shower tray central authorities, the upwards extension in bracing piece 34 top extend adsorb the unit 8 with 1 roof rotatable coupling of body, the top of bracing piece 34 can realize rotating with body 1 through the bearing and be connected, and the bearing belongs to the prior art product, and the setting up of bracing piece 34 does benefit to stable shower tray 5 for shower tray 5's rotation is more steady.
When the waste incinerator is used in particular, waste gas generated by waste incineration enters the heat exchange tube 93 through the waste gas inlet tube 91, the waste gas heats water by utilizing the heat of the waste gas when flowing in the heat exchange tube 93, and the cooled waste gas enters the body 1 through the air inlet tube 11; waste gas flows upwards in the body 1, at the moment, the driving mechanism 5 drives the outer shaft 4 and the inner shaft 3 to coaxially and reversely rotate, the stirring blades 41 rotate to disperse the waste gas and change the flow direction of the waste gas, so that the waste gas is uniformly distributed in the body 1, absorption liquid sequentially enters the spraying disc 5 through the liquid inlet pipe 32 and the inner shaft 3, the rotating spraying disc 5 sprays the absorption liquid through the spraying hole I51, the absorption liquid is in contact reaction with the waste gas, then the waste gas continuously flows upwards through a gap between the spraying disc 5 and the side wall of the body 1, in the process, the absorption liquid enters the spraying hole II 7 through the liquid pipe 71, the absorption liquid is sprayed out through the shoulder of the spraying hole II 72, so that the waste gas is sprayed and absorbed again, the waste gas after the spraying treatment flows upwards through the adsorption unit 8, harmful substances in the waste gas are adsorbed by the adsorption filler 82, the purification treatment of the waste gas is realized, and the treated gas is pumped by the exhaust fan and discharged through the gas outlet pipe 12.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a waste gas treatment device for msw incineration power plant which characterized in that includes:
the side wall of the bottom of the body (1) is provided with an air inlet pipe (11), and the top of the body is provided with an air outlet pipe (12); the bottom of the body (1) is provided with a liquid collecting cavity (2), and the liquid collecting cavity (2) is provided with a liquid discharging hole (21);
an inner shaft (3) and an outer shaft (4) sleeved outside the inner shaft (3) are vertically arranged in the body (1), the top end of the inner shaft (3) extends out of the outer shaft (4) to be connected with a spraying disc (5), a cavity of the inner shaft (3) is communicated with a cavity of the spraying disc (5), and a plurality of first spraying holes (51) are formed in the bottom surface of the spraying disc (5); the bottom ends of the outer shaft (4) and the inner shaft (3) both downwards penetrate through the body (1) and are connected with a driving mechanism (6) for driving the outer shaft and the inner shaft to coaxially and reversely rotate; the bottom end of the inner shaft (3) is connected with a liquid inlet pipe (32) through a rotary joint (31); the outer surface of the outer shaft (4) is provided with stirring blades (41);
an annular convex shoulder (7) is arranged on the side wall of the body (1) above the spray disc (5), the convex shoulder (7) with a cavity is connected with at least 2 liquid through pipes (71), and a plurality of spray holes II (72) are formed in the bottom surface of the convex shoulder (7);
and the adsorption unit (8) is positioned below the air outlet pipe (12).
2. The waste gas treatment device for the waste incineration power plant according to claim 1, further comprising a waste heat recovery tank (9), wherein the air inlet pipe (11) is connected with the waste heat recovery tank (9), and the waste heat recovery tank (9) is connected with an external waste gas source through a waste gas inlet pipe (91); the waste heat recovery box (9) comprises a box body (92), the box body (92) is provided with a water inlet (921) and a water outlet (922), a heat exchange pipe (93) which is bent is arranged inside the box body (92), one end of the heat exchange pipe (93) is connected with the waste gas inlet pipe (91), and the other end of the heat exchange pipe is connected with the air inlet pipe (11).
3. The waste gas treatment device for the waste incineration power plant as recited in claim 1, wherein the exhaust fan is installed on the pipeline of the exhaust pipe (12).
4. The waste gas treatment device for the waste incineration power plant as recited in claim 1, wherein the driving mechanism (6) comprises a first bevel gear (61) and a motor (62), the first bevel gear (61) is installed on an output shaft of the motor (62), a second bevel gear (33) is coaxially arranged at the top end of the inner shaft (3), a third bevel gear (42) is coaxially arranged on the outer shaft (4), and the second bevel gear (33) and the third bevel gear (42) are simultaneously meshed with the first bevel gear (61).
5. The waste gas treatment device for a waste incineration power plant according to claim 1, characterized in that the width from the outer annular wall to the inner annular wall of the shoulder (7) is larger than the width from the side wall of the shower tray (5) to the side wall of the body (1).
6. The waste gas treatment device for the waste incineration power plant according to claim 1, wherein the adsorption unit (8) comprises a pair of screens (81) which are sequentially arranged from top to bottom, and adsorption filler (82) is filled between 2 screens (81).
7. The waste gas treatment device for a waste incineration power plant according to claim 6, wherein the screen (81) is arranged in an inclined manner, a feed opening (13) is formed in the side wall of the body (1) at the inclined high end of the screen (81), and a discharge opening (14) is formed in the side wall of the body (1) at the inclined low end of the screen (81).
8. The waste gas treatment device for the waste incineration power plant according to claim 1, wherein a support rod (34) is vertically arranged in the center of the top surface of the spray tray (5), and the top end of the support rod (34) extends upwards to penetrate through the adsorption unit (8) and is rotatably connected with the top wall of the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221785410.8U CN218130989U (en) | 2022-07-12 | 2022-07-12 | Waste gas treatment device for waste incineration power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221785410.8U CN218130989U (en) | 2022-07-12 | 2022-07-12 | Waste gas treatment device for waste incineration power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218130989U true CN218130989U (en) | 2022-12-27 |
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ID=84591021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221785410.8U Active CN218130989U (en) | 2022-07-12 | 2022-07-12 | Waste gas treatment device for waste incineration power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218130989U (en) |
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2022
- 2022-07-12 CN CN202221785410.8U patent/CN218130989U/en active Active
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