CN112892081B - Single-tower five-zone waste heat recovery denitration desulfurization dust removal and white tail gas removal purification device - Google Patents
Single-tower five-zone waste heat recovery denitration desulfurization dust removal and white tail gas removal purification device Download PDFInfo
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- CN112892081B CN112892081B CN202110113783.4A CN202110113783A CN112892081B CN 112892081 B CN112892081 B CN 112892081B CN 202110113783 A CN202110113783 A CN 202110113783A CN 112892081 B CN112892081 B CN 112892081B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
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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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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Abstract
The invention relates to the technical field of flue gas dust removal, in particular to a single-tower five-zone waste heat recovery denitration desulfurization dedusting and de-whitening tail gas purification device, which comprises a denitration desulfurization device and a tail gas de-whitening device, wherein the denitration desulfurization device and the tail gas de-whitening device are connected through an air inlet pipe, a dust collecting tank is fixed at the lower end of an inner cavity of the tail gas de-whitening device, a dust collecting box is fixed at the outer side of the left end of the dust collecting tank, a guide plate is fixed at the upper end of the dust collecting tank, a baffle plate is hinged to the upper end of the guide plate, a collision plate is arranged at the inner side of the baffle plate, the other end of the collision plate is connected to two sides of a vertical rod, springs are fixed at the upper end and the lower end of the vertical rod, an elastic sheet is fixed at the outer side end of each spring, a sliding groove is arranged above the elastic sheet, an adsorption box is arranged at the upper end of the sliding groove, a plurality of adsorption balls are arranged in the inner cavity of the adsorption box, a small amount of sulfur-containing water vapor in flue gas is removed, and dust particles are removed by collision of the collision plate, the pollution is prevented, the impurity dust collecting groove and the sliding groove are separately collected outside the tower, and the operation is simple.
Description
Technical Field
The invention relates to the technical field of flue gas dust removal, in particular to a single-tower five-zone waste heat recovery denitration desulfurization dust removal and white tail gas removal purification device.
Background
In the years, the environmental protection pressure is getting higher and higher, and although the ultra-low emission modification of the boiler of the coal-fired power plant is greatly progressed, the ultra-low emission work of industrial boilers and kilns, especially kilns, is yet to be enhanced, but due to the difference of flue gas temperature, composition and the like, traditional mature methods such as SCR (selective catalytic reduction), SNCR (selective non-catalytic reduction), limestone-lime method and the like are often difficult to directly move for direct use; the outlet of the wet desulphurization tower is wet saturated flue gas, the flue gas carries a large amount of water vapor, if the flue gas is directly discharged into the middle atmosphere, part of the water vapor is condensed into water when meeting the atmosphere, white rain is formed, and visual pollution is caused.
After toxic substances in flue gas are removed through a series of desulfurization and denitrification in the existing flue gas whitening technical means, the flue gas still contains dust particles, and liquid is used for spraying during desulfurization and denitrification, so that water vapor containing a small amount of sulfur dioxide and excessive water vapor are contained in the flue gas, and white smoke plume can be formed during flue gas discharge.
Disclosure of Invention
The invention aims to provide a single-tower five-zone waste heat recovery denitration desulfurization dedusting and de-whitening tail gas purification device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a single-tower five-zone waste heat recovery denitration desulfurization dust removal and white removal tail gas purification device comprises a denitration desulfurization device and a tail gas white removal device, wherein the right side of the denitration desulfurization device is provided with the tail gas white removal device, the denitration desulfurization device and the tail gas white removal device are connected through an air inlet pipe, the lower end of an inner cavity of the tail gas white removal device is fixed with an inclined dust collecting groove, the left end of the dust collecting groove is provided with a first outlet, the outer side of the first outlet is fixed with a dust collecting box, the right end of the upper surface of the dust collecting box is fixed with a circular pipe, two sides of the upper end of the dust collecting groove are both fixed with guide plates, the upper end of each guide plate is hinged with a baffle plate, the outer side of each baffle plate is fixed with a support rod, the outer side of each support rod is sleeved with a sleeve rod, the other end of each sleeve rod is fixed on the inner side wall of the tail gas white removal device, and the inner side of each baffle plate is provided with a collision plate, both sides the both sides at the montant are all connected to the other end of collision board, the upper and lower both ends of montant all are fixed with the spring, upper and lower both ends the outside end of spring all is fixed with the shell fragment, the inside wall at tail gas whitening device is fixed at the both ends of shell fragment, the upper end the left side of the top of shell fragment is provided with the spout, No. two exports have been seted up to the top of the left side end of spout, the outside of No. two exports is fixed with the dome, No. two exports and pipe are linked together, the upper end of spout is provided with the adsorption tank, the adsorption tank is fixed in tail gas whitening device, be provided with a plurality of adsorption balls in the inside cavity of adsorption tank.
Preferably, the cross section of the dust collecting groove is concave, the left end of the dust collecting groove is fixed at the lower end of the opening of the air inlet pipe, the front side and the rear side of the dust collecting groove are fixed on the inner side wall of the tail gas whitening device, and the lower end of the inner side wall of the first outlet is flush with the surface of the groove of the dust collecting groove.
Preferably, the right end of the dust collection box is fixed on the outer wall of the left side of the tail gas whitening device, the first outlet is communicated with the inner cavity of the dust collection box, a clamping plate is arranged at the left end of the first outlet, the inner side wall of the clamping plate is inclined, the side face of the tail gas whitening device is triangular, and an inclined plate is fixed in the middle of the dust collection box.
Preferably, two the guide plate is the symmetric distribution, and the equal slope of guide plate upwards, the upper end of guide plate articulates there is the baffle, the width of baffle is unanimous with the width of guide plate, the equidistance is fixed with three bracing piece in the middle of the lateral surface of baffle, the outside end cover of bracing piece has the loop bar, the inside of loop bar is fixed with the pressure spring, the other end of pressure spring supports the outside end at the bracing piece, the medial extremity of baffle is the Contraband font, the medial extremity of baffle runs through there is the pivot, the middle bearing of pivot is connected with the collision board, one side that the collision board is close to the baffle is the type of dogbone, the medial extremity bearing of guide plate is connected with a plurality of collision boards, and the collision board that the medial bearing of both sides guide plate is connected is cross distribution.
Preferably, the impartial distance in both sides of montant is fixed with a plurality of fixed blocks, both sides the fixed block is the crisscross distribution, two draw-in grooves have been seted up to the medial extremity of collision board, the width of draw-in groove is greater than the fixed block, the draw-in groove internal fixation has the cylinder, the fixed block has been run through in the middle of the cylinder.
Preferably, the length of montant is longer than the height of baffle, the upper end and the lower extreme of montant all are fixed with the spring, the outside end of spring is fixed with the shell fragment, the width of shell fragment is greater than the external diameter of spring, the equal joint in tail gas takes off the recess that the inside wall of white device was seted up of both sides end of shell fragment, the length of shell fragment is good at the tail gas and is taken off the width of white device inside wall.
Preferably, the lateral wall that adsorbs the case is the fretwork form, the lower extreme that adsorbs the case is wide isosceles trapezoid down, the outside cover of the opening part of the lower extreme of adsorption case has the elastic sleeve, the inboard of elastic sleeve is through protruding card at the lateral surface that adsorbs the case, the upper end of spout is facing the lower extreme that adsorbs the case, and the spout slope makes progress, the lower extreme of spout is fixed with the support, the upper end of loop bar in the middle of the left side is fixed to the lower extreme of support, the cross-section of dome is isosceles trapezoid, the dome is tubaeform, and the opening of dome is half-circular arc.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the single-tower five-zone waste heat recovery denitration desulfurization dust removal and de-whitening tail gas purification device provided by the invention removes dust particles in tail gas through collision in the tail gas de-whitening device, and meanwhile, a small amount of sulfur-containing water vapor contained in the flue gas is removed by the adsorption balls arranged at the upper end, so that the flue gas is purified and prevented from being polluted;
2. according to the single-tower five-zone waste heat recovery denitration desulfurization dust removal and whiting tail gas removal purification device, dust particles in flue gas are removed through the collision plate, the vertical rod arranged in the middle of the collision plate can vibrate up and down through the spring and the elastic sheet, the dust particles adhered to the collision plate are vibrated down, and the cleaning is convenient;
3. according to the single-tower five-zone waste heat recovery denitration desulfurization dedusting and white tail gas removal purification device provided by the invention, a small amount of sulfur-containing water vapor in the flue gas is removed through the adsorption balls when the flue gas passes through the adsorption box, and the used adsorption balls fall down through self gravity and slide out of the dust collection box outside the tower from the sliding groove, so that the flue gas is convenient to collect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a tail gas whitening device according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a top view of the impact plate at the spring plate of the present invention;
fig. 6 is a three-dimensional view of the chute of the present invention.
In the figure: denitration and desulfurization device 1, tail gas takes off white device 2, intake pipe 21, cardboard 22, export 23 No. two, export 24 No. two, guide plate 3, baffle 31, bracing piece 32, loop bar 33, pressure spring 34, pivot 35, montant 4, spring 41, shell fragment 42, cylinder 43, collision board 44, fixed block 45, draw-in groove 46, dust collecting tank 5, dust collecting tank 6, swash plate 61, adsorption tank 7, adsorption ball 71, elastic sleeve 72, spout 8, support 81, dome 82, pipe 83.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a single-tower five-zone waste heat recovery denitration desulfurization dust removal and white removal tail gas purification device comprises a denitration desulfurization device 1 and a tail gas white removal device 2, the right side of the denitration desulfurization device 1 is provided with the tail gas white removal device 2, the denitration desulfurization device 1 and the tail gas white removal device 2 are connected through an air inlet pipe 21, the lower end of an internal cavity of the tail gas white removal device 2 is fixed with an inclined dust collecting groove 5, the cross section of the dust collecting groove 5 is concave, the left side end of the dust collecting groove 5 is fixed at the lower end of an opening of the air inlet pipe 21, the front side and the rear side of the dust collecting groove 5 are fixed on the inner side wall of the tail gas white removal device 2, the left end of the dust collecting groove 5 is provided with a first outlet 23, the lower end of the inner side wall of the first outlet 23 is flush with the groove surface of the dust collecting groove 5, a dust collecting box 6 is fixed on the outer side of the first outlet 23, particles in flue gas fall onto the inclined dust collecting groove 5 below and slide out to the inner side of the dust collecting box 6 towards the first outlet 23 along the dust collecting groove 5, the right-hand member of dust collection box 6 is fixed at tail gas and is taken off white left side outer wall of device 2, the inside cavity of export 23 and dust collection box 6 is linked together, the left side end of export 23 is provided with cardboard 22, the inside wall of cardboard 22 is the slope form, and tail gas takes off white side of device 2 and is triangle-shaped, block the flue gas and can not flow out from export 23 when guaranteeing the granule landing, the centre of dust collection box 6 is fixed with swash plate 61, the upper surface right flank end of dust collection box 6 is fixed with pipe 83.
The working principle is as follows: in actual operation, flue gas enters the lower end of the inner cavity of the tail gas whitening device 2 from the air inlet pipe 21 after being subjected to primary treatment in the denitration and desulfurization device 1, the flue gas enters the space where the baffle plate 31 is located along the guide plate 3, the flue gas collides with the collision plate 44 which is distributed in a staggered manner for many times in the process of climbing in the baffle plate 31, so that the residual particles in the flue gas fall, the particles fall onto the dust collection groove 5 which is inclined below, and slide out to the inner side of the dust collection box 6 along the dust collection groove 5 towards the first outlet 23, the clamping plate 22 which is arranged on the outer side of the first outlet 23 and has an inclined inner wall is used for ensuring that the particles can slide down and simultaneously block the flue gas from flowing out from the first outlet 23, meanwhile, the flue gas can leave dust particles on the surface of the collision plate 44 after passing through the collision plate 44, the inner side end of the collision plate 44 is hinged with the vertical rod 4 through the cylinder 43, the spring 41 which is fixed on the outer side of the spring 41 on the upper and lower ends of the vertical rod 4 generates elastic deformation through the flow of the flue gas, thereby the spring 41 is stretched and lengthened to drive the vertical rod 4 to vibrate up and down, the fixed block 45 and the column 43 fixed on the outer side surface of the vertical rod 4 ensure that the vertical rod 4 can drive the collision plate 44 to rotate up and down on the baffle 31 in a small amplitude, the pressure spring 34 fixed on the outer side surface of the support rod 32 fixed on the outer side surface of the baffle 31 bounces in the loop bar 33, the distance change generated when the collision plate 44 rotates up and down in a small amplitude is offset by the moving distance of the support rod 32 in the loop bar 33, the vertical rod 4 can vibrate up and down to play a role of a vibrator, smoke continues to climb up and rise, the smoke permeates from the air arranged on the outer side wall of the adsorption box 7, the adsorption ball 71 arranged on the inner side of the adsorption box 7 absorbs a small amount of water vapor with sulfur dioxide in the smoke, the elastic sleeve 72 is arranged at the opening at the lower end of the adsorption box 7, the weight of the adsorption ball 71 is increased after absorption, the adsorption ball 71 props up the opening at the lower end of the elastic sleeve 72 and falls down to the chute 8, no. two export 24 roll-offs of seting up towards tail gas whitening device 2's left side end along spout 8, the fixed round cover 82 in the left side end outside of spout 8 prevents to adsorb ball 71 from the both sides landing of spout 8, No. two export 24 is linked together with the pipe 83 that the outside set up, the lower extreme of pipe 83 is linked together with the upper end of dust collection box 6, make things convenient for adsorption ball 71 to drop to the inboard of dust collection box 6 along pipe 83, be fixed with swash plate 61 in the middle of the inboard of dust collection box 6, conveniently separately clear away adsorption ball 71 and lower extreme dust particle, the flue gas flows out from the mouth of adsorption box 7 upper end, the upper end outlet duct of following tail gas whitening device 2 discharges, white plume reduces after the vapor in the flue gas reduces, can directly discharge.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a five district waste heat recovery denitration desulfurization dust removal of single tower tail gas purifier that comes off white, includes denitration desulphurization unit (1) and tail gas and takes off white device (2), its characterized in that: the denitration and desulfurization device is characterized in that a tail gas whitening device (2) is arranged on the right side of the denitration and desulfurization device (1), the denitration and desulfurization device (1) and the tail gas whitening device (2) are connected through an air inlet pipe (21), an inclined dust collecting groove (5) is fixed at the lower end of an inner cavity of the tail gas whitening device (2), a first outlet (23) is formed in the left end of the dust collecting groove (5), a dust collecting box (6) is fixed on the outer side of the first outlet (23), a circular pipe (83) is fixed at the right end of the upper surface of the dust collecting box (6), a guide plate (3) is fixed on each of two sides of the upper end of the dust collecting groove (5), a baffle (31) is hinged to the upper end of the guide plate (3), a support rod (32) is fixed on the outer side of the baffle (31), a sleeve rod (33) is sleeved on the outer side of the support rod (32), and the other end of the sleeve rod (33) is fixed on the inner side wall of the tail gas whitening device (2), the inner side of the baffle (31) is provided with a collision plate (44), the other ends of the collision plates (44) at the two sides are connected with the two sides of the vertical rod (4), the upper end and the lower end of the vertical rod (4) are both fixed with springs (41), the outer side ends of the springs (41) at the upper end and the lower end are both fixed with elastic sheets (42), two ends of the elastic sheet (42) are fixed on the inner side wall of the tail gas whitening device (2), a chute (8) is arranged on the left side above the upper end of the elastic sheet (42), a second outlet (24) is arranged above the left end of the sliding chute (8), a circular cover (82) is fixed on the outer side of the second outlet (24), the second outlet (24) is communicated with a circular pipe (83), an adsorption tank (7) is arranged at the upper end of the chute (8), the adsorption tank (7) is fixed in the tail gas whitening device (2), a plurality of adsorption balls (71) are arranged in an inner cavity of the adsorption box (7);
the right end of the dust collection box (6) is fixed on the outer wall of the left side of the tail gas whitening device (2), the first outlet (23) is communicated with the inner cavity of the dust collection box (6), the left end of the first outlet (23) is provided with a clamping plate (22), the inner side wall of the clamping plate (22) is inclined, the side surface of the tail gas whitening device (2) is triangular, and the middle of the dust collection box (6) is fixedly provided with an inclined plate (61);
two guide plate (3) are the symmetric distribution, and guide plate (3) all incline upwards, the upper end of guide plate (3) articulates there is baffle (31), the width of baffle (31) is unanimous with the width of guide plate (3), equidistance is fixed with three bracing piece (32) in the middle of the lateral surface of baffle (31), the outside end cover of bracing piece (32) has loop bar (33), the inside of loop bar (33) is fixed with pressure spring (34), the other end of pressure spring (34) supports the outside end at bracing piece (32), the medial extremity of baffle (31) is Contraband font, the medial extremity of baffle (31) runs through there is pivot (35), the middle bearing of pivot (35) is connected with collision board (44), collision board (44) are the type of protruding on one side that is close to baffle (31), the medial extremity bearing of guide plate (3) is connected with a plurality of collision boards (44), and the collision plates (44) connected with the inner side bearings of the guide plates (3) at the two sides are distributed in a crossed manner;
a plurality of fixing blocks (45) are fixed on two sides of the vertical rod (4) at equal distances, the fixing blocks (45) on the two sides are distributed in a crossed manner, two clamping grooves (46) are formed in the inner side end of the collision plate (44), the width of each clamping groove (46) is larger than that of each fixing block (45), a cylinder (43) is fixed in each clamping groove (46), and the fixing blocks (45) penetrate through the middle of each cylinder (43);
the length of montant (4) is longer than the height of baffle (31), the upper end and the lower extreme of montant (4) all are fixed with spring (41), the outside end of spring (41) is fixed with shell fragment (42), the width of shell fragment (42) is greater than the external diameter of spring (41), the equal joint in both sides end of shell fragment (42) takes off in the recess that the inside wall of white device (2) was seted up at tail gas, the length of shell fragment (42) is good at the width that tail gas took off white device (2) inside wall.
2. The single-tower five-zone waste heat recovery denitration desulfurization dedusting and de-whitening tail gas purification device according to claim 1, characterized in that: the cross section of the dust collection groove (5) is in a concave shape, the left end of the dust collection groove (5) is fixed at the lower end of the opening of the air inlet pipe (21), the front side and the rear side of the dust collection groove (5) are fixed on the inner side wall of the tail gas whitening device (2), and the lower end of the inner side wall of the first outlet (23) is flush with the surface of the groove of the dust collection groove (5).
3. The single-tower five-zone waste heat recovery denitration desulfurization dedusting and de-whitening tail gas purification device according to claim 1, characterized in that: the lateral wall that adsorbs case (7) is the fretwork form, the lower extreme that adsorbs case (7) is narrow isosceles trapezoid under the width, the outside cover of the opening part of the lower extreme of adsorption box (7) has elastic sleeve (72), the inboard of elastic sleeve (72) is through protruding card lateral surface at adsorption box (7), the upper end of spout (8) is facing the lower extreme that adsorbs case (7), and spout (8) slope makes progress, the lower extreme of spout (8) is fixed with support (81), the upper end at left side middle loop bar (33) is fixed to the lower extreme of support (81), the cross-section of dome (82) is isosceles trapezoid, dome (82) are tubaeform, and the opening of dome (82) is half-circular arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110113783.4A CN112892081B (en) | 2021-01-27 | 2021-01-27 | Single-tower five-zone waste heat recovery denitration desulfurization dust removal and white tail gas removal purification device |
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| CN202110113783.4A CN112892081B (en) | 2021-01-27 | 2021-01-27 | Single-tower five-zone waste heat recovery denitration desulfurization dust removal and white tail gas removal purification device |
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| CN112892081B true CN112892081B (en) | 2022-04-08 |
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| CN116966718B (en) * | 2023-08-21 | 2024-05-24 | 河南平煤神马聚碳材料有限责任公司 | Novel PSA replacement equipment for CO purification |
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| CN211876778U (en) * | 2020-03-30 | 2020-11-06 | 辽宁华子玉镁铝科技有限公司 | Collection device of electric smelting magnesium shelling flue gas dust |
| CN212283406U (en) * | 2020-06-01 | 2021-01-05 | 山东圆融环保科技有限公司 | Wet flue gas desulfurizing and dust-removing device for boiler |
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2021
- 2021-01-27 CN CN202110113783.4A patent/CN112892081B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2368590Y (en) * | 1999-03-09 | 2000-03-15 | 烟台市芝罘蓝友环保设备厂 | Desulfurizing dust collector |
| CN207179707U (en) * | 2017-09-15 | 2018-04-03 | 安徽方信立华环保科技有限公司 | A kind of dust arrester suitable for desulphurization denitration |
| CN209221833U (en) * | 2018-09-25 | 2019-08-09 | 内蒙古弘睿节能科技有限公司 | A kind of white dust-extraction unit of Full-automatic tobacco qi exhaustion |
| CN211753379U (en) * | 2019-12-03 | 2020-10-27 | 黄亮 | Chemical plant flue gas desulfurization denitration dust collecting equipment |
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| CN211876778U (en) * | 2020-03-30 | 2020-11-06 | 辽宁华子玉镁铝科技有限公司 | Collection device of electric smelting magnesium shelling flue gas dust |
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| CN112892081A (en) | 2021-06-04 |
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