CN115301049A - Urea washing tower - Google Patents
Urea washing tower Download PDFInfo
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- CN115301049A CN115301049A CN202211063157.XA CN202211063157A CN115301049A CN 115301049 A CN115301049 A CN 115301049A CN 202211063157 A CN202211063157 A CN 202211063157A CN 115301049 A CN115301049 A CN 115301049A
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- Prior art keywords
- impact plate
- rod
- bevel gear
- plate
- scrubbing tower
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000004202 carbamide Substances 0.000 title claims abstract description 28
- 238000005406 washing Methods 0.000 title claims description 49
- 238000005201 scrubbing Methods 0.000 claims abstract description 38
- 210000002700 urine Anatomy 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 238000007790 scraping Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 19
- 210000000056 organ Anatomy 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 11
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 32
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 229920000877 Melamine resin Polymers 0.000 description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
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Classifications
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a urea scrubbing tower belongs to urea production facility technical field, including setting up the mounting bracket in the scrubbing tower, be provided with a plurality of strikeing boards on the mounting bracket, it is a plurality of the strikeing board is located same axis and arranges on the mounting bracket along the direction of depth of scrubbing tower, and is a plurality of leave certain space between the strikeing board, be located and be close to the strikeing board of scrubbing tower bottom is and seals the setting, all the other first mouth of a river of crossing has been seted up to the axle center department of strikeing board, along the direction of height of scrubbing tower, the diameter at first mouth of a river of crossing reduces gradually, first crossing the mouth of a river is located under the wet return. The application has the effect of being convenient for absorb the processing to the process gas.
Description
Technical Field
The application relates to the technical field of urea production equipment, in particular to a urea washing tower.
Background
In the production process of melamine, a urea washing tower (urea washing tower for short) is a main device and mainly used for washing process gas from a cold air fan by using circulating liquid urea, absorbing solid impurities such as melamine, byproducts and the like in the process gas, achieving the aim of purifying the gas, and reducing the temperature of the gas so as to recycle and produce low-pressure steam as a byproduct. The specific working process is as follows: the process gas from the top of the urea washing tower is mixed with the circulating liquid urine sprayed by the liquid urine spray head on the upper part of the heat exchange tube bundle of the urea washing tower and flows down, the process gas and the circulating liquid urine in the heat exchange tube bundle exchange heat through the outer side of the heat exchange tube bundle to cool, the water absorbs heat to become steam, the steam goes to a low-pressure steam pipe network, and the process gas is purified and cooled and then goes to a compression post for recycling.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: melamine has the characteristics of sublimation and desublimation, and when process gas reduces to the uniform temperature, melamine can desublimate for the solid for melamine easily condenses for the crystallization in the urine shower nozzle, and the urine shower nozzle easily blocks up, leads to being difficult to absorb the processing to process gas.
Disclosure of Invention
In order to facilitate the absorption treatment of process gases, the present application provides a urea scrubber.
The application provides a urea scrubbing tower adopts following technical scheme:
the utility model provides a urea scrubbing tower, is including setting up the mounting bracket in the scrubbing tower, be provided with a plurality of strike plates on the mounting bracket, it is a plurality of strike plate is located same axis and arranges on the mounting bracket along the direction of depth of scrubbing tower, and is a plurality of leave certain space between the strike plate, be located and be close to the strike plate of scrubbing tower bottom is the seal setting, all the other strike plate's axle center department has seted up the first mouth of a river of crossing, along the direction of height of scrubbing tower, the first diameter of crossing the mouth of a river reduces gradually, the first mouth of a river is located the wet return under.
By adopting the technical scheme, when the washing tower absorbs the process gas, the circulating liquid urine enters the washing tower through the water return pipe, the circulating liquid urine impacts the first-layer impact plate, the circulating urine at the peripheral side of the first water passing opening impacts the impact plate, then rebounds to the washing tower, then falls into the washing tower, and is absorbed by the process gas; meanwhile, the circulating urine entering the first water passing port falls onto the second layer of impact plate, further impacts the second layer of impact plate and rebounds into the washing tower, and the process gas is absorbed in a circulating manner; the circulating urine passing through the upper impact plate impacts on the impact plate and rebounds into the washing tower, and the process gas is absorbed; furthermore, the diameter of the first water passing opening is gradually reduced, so that each layer of impact plate can reflect and impact the circulating urine conveniently, and the process gas can be absorbed and treated.
Optionally, the rotating scraping rod is arranged on the impact plate in a rotating mode, the scraping rod is abutted to the impact plate, the rotating axis of the scraping rod is perpendicular to the plane where the impact plate is located, the two sides, located on the first water passing port, of the impact plate are provided with second water passing ports, first blades are rotatably arranged in the second water passing ports, the rotating axis of the first blades is parallel to the plane where the impact plate is located, circulating liquid urine in the return water pipe impacts the first blades and drives the first blades to rotate, the washing tower further comprises a first transmission piece, and the first transmission piece is used for transmitting the rotating kinetic energy of the first blades to the scraping rod and driving the scraping rod to rotate.
By adopting the technical scheme, when circulating urine impacts the impact plate, part of melamine is possibly condensed into crystals on the impact plate, so that the diameter of the first water passing opening is gradually reduced, and the water passing capacity of the first water passing opening is weakened; the circulation urine in the return pipe strikes when the strikeing plate, and partial circulation urine strikes on first blade to drive first blade and rotate, simultaneously, under the effect of first transmission piece, first blade rotates and drives the scraper bar and rotate, and the scraper bar rotates and strikes off the crystallization on the strikeing plate, and the crystallization after striking off is under the impact of circulation urine, crystallization and strikeing plate separation, and then has improved the water capacity of crossing at first mouth of a river.
Optionally, the first transmission part includes a first bevel gear coaxially disposed on the first blade, the impact plate is rotatably disposed with a first driving rod, the length direction of the first driving rod is perpendicular to the rotation axis of the first blade, two ends of the first driving rod are both provided with second bevel gears, and the second bevel gears are engaged with the first bevel gears; the first transmission piece is characterized in that a third bevel gear is coaxially arranged on the first driving rod, a fourth bevel gear meshed with the third bevel gear is arranged on the impact plate in a rotating mode, the rotating axis of the fourth bevel gear is parallel to the rotating axis of the scraping rod, and the first transmission piece further comprises a first transmission belt arranged between the scraping rod and the fourth bevel gear.
By adopting the technical scheme, when the first blade drives the first blade to rotate, the first blade rotates to drive the first bevel gear to rotate, the first bevel gear rotates the second bevel gear to rotate, the second bevel gear rotates to drive the first driving rod to rotate, the first driving rod rotates to drive the third bevel gear to rotate, the third bevel gear rotates to drive the fourth bevel gear to rotate, the fourth bevel gear rotates to drive the first conveyor belt to operate, the first conveyor belt operates to drive the scraping rod to rotate, and the operation is simple and convenient; simultaneously, above-mentioned transmission structure has the transmission steadily, stable in structure's advantage.
Optionally, it is adjacent be provided with the connecting rod between the impingement plate, the length direction of connecting rod is on a parallel with the length direction of scrubbing tower, is located the impingement plate of the both sides of connecting rod is fixed to be set up on the connecting rod, the connecting rod is extending structure, the flexible direction of connecting rod is on a parallel with the depth direction of scrubbing tower, and the scrubbing tower still is including being used for ordering about the flexible first driving piece of connecting rod.
By adopting the technical scheme, when the circulating urine impacts the impact plate, the circulating urine reflected from the impact plate into the washing tower is umbrella-shaped so as to absorb the process gas; circulation urine is at the impact in-process, orders about the connecting rod through first driving piece and stretches out and draws back, and the connecting rod is flexible to drive the impact plate and slide in vertical direction reciprocating, and then changes the diameter of the umbrella-type bad urine that circulates after the bounce to improve the treatment effect to process gas.
Optionally, the connecting rod includes a reciprocating screw rod and a sleeve rod for threaded connection with the reciprocating screw rod, the impact plate located at one side of the reciprocating screw rod is rotatably connected with the reciprocating screw rod, and the impact plate located at one side of the sleeve rod is fixedly connected with the sleeve rod; the first driving piece comprises a fifth bevel gear arranged on the reciprocating screw rod, and the fifth bevel gear is meshed with the first bevel gear.
By adopting the technical scheme, when the first blade rotates, the first blade rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the fifth bevel gear to rotate, the fifth bevel gear rotates to drive the reciprocating lead screw to rotate, the reciprocating lead screw rotates to drive the sleeve rod to slide, and further the impact plate is driven to slide, so that the operation is simple and convenient; furthermore, the reciprocating screw rod rotates to drive the sleeve rod to slide in a reciprocating mode within a certain range, so that the impact plate slides in a reciprocating mode within the range, the diameter of the umbrella-shaped circulating urine is always in a changing process, and the treatment effect on process gas is further improved.
Optionally, the washing tower further comprises an organ cover, the reciprocating lead screw is sleeved in the organ cover, the length direction of the organ cover is parallel to the length direction of the reciprocating lead screw, one end of the organ cover close to the impact plate is fixedly arranged on the impact plate, and the other end of the organ cover is fixedly arranged on the loop bar.
By adopting the technical scheme, after the circulating urine drops on the reciprocating screw rod, part of crystals are condensed on the reciprocating screw rod, so that the sliding of the loop bar is damaged; under the effect of organ cover, cup joint reciprocal lead screw in the organ cover for reciprocal lead screw separates with circulation urine relatively, and then reduces the crystallization and attaches to the possibility on reciprocal lead screw, thereby is convenient for absorb the processing to process gas.
Optionally, be provided with the water conservancy diversion box on the impingement plate, the equal opening setting in both sides of water conservancy diversion box along scrubbing tower direction of height, the opening that the water conservancy diversion box is close to the scrubbing tower top is greater than the opening that the water conservancy diversion box is close to the scrubbing tower bottom, the opening that the water conservancy diversion box is close to the scrubbing tower top has the overlap portion with the projection of wet return on the impingement plate, the opening that the water conservancy diversion box is close to the scrubbing tower bottom is just to the flabellum of first blade one side.
By adopting the technical scheme, after the circulating urine in the recovery pipe enters the washing tower, part of the circulating urine impacts the impact plate, and part of the circulating urine enters the diversion box, flows to the bottom opening of the diversion box along the diversion box and flows out through the opening at the bottom of the diversion box, so that the circulating urine impacts the first blade, and the first blade can conveniently rotate; meanwhile, the openings at the two ends of the diversion box are different in size, so that the opening of the diversion box through which the circulating urine flows out is reduced, the impact force for impacting the first blade is increased, and the first blade is convenient to rotate; the projection of the diversion box and the water return pipe on the impact plate is partially overlapped, so that circulating urine in the water return pipe can conveniently enter the diversion box.
Optionally, a second driving rod is rotatably disposed on the impact plate and located in the second water passing port, the first blade is fixedly disposed on the second driving rod, and both ends of the second driving rod are rotatably disposed in the impact plate; be provided with the guide plate on the impingement plate, the guide plate is loudspeaker form, the direction that deviates from the impingement plate is followed to the guide plate, the diameter crescent of guide plate, the second actuating lever rotates the setting in the guide plate.
By adopting the technical scheme, under the action of the guide plate, the connecting end of the second driving rod and the impact plate is surrounded, so that the possibility that circulating urine enters the impact plate is reduced, and the first blade is convenient to rotate; simultaneously, the guide plate is loudspeaker form, and the circulation urine that is convenient for be close to second actuating lever and impact plate link flows along the guide plate, has further reduced the possibility of second actuating lever jam.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the washing tower absorbs the process gas, circulating liquid urine enters the washing tower through the water return pipe, the circulating liquid urine impacts the first-layer impact plate, the circulating urine on the periphery of the first water passing port impacts the impact plate, then rebounds into the washing tower, then falls into the washing tower, and is absorbed by the process gas; meanwhile, the circulating urine entering the first water passing port falls onto the second layer of impact plate, further impacts the second layer of impact plate and rebounds into the washing tower, and the process gas is absorbed through circulation; the circulating urine passing through the upper impact plate impacts the impact plate and rebounds to the washing tower, and the process gas is absorbed; furthermore, the diameter of the first water passing opening is gradually reduced, so that each layer of impact plate can reflect and impact the circulating urine conveniently, and the process gas can be absorbed and treated.
Drawings
FIG. 1 is a cross-sectional view of a urea scrubber according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the structure of an impingement plate in a urea scrubber according to an embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of an impingement plate in a urea scrubber according to an embodiment of the present application.
Description of reference numerals: 1. a mounting frame; 2. an impact plate; 3. a first water passing opening; 4. a scraping rod; 5. mounting a rod; 6. a fixing rod; 7. a second water passing opening; 8. a first blade;
9. a first transfer member; 91. a first bevel gear; 92. a first drive lever; 93. a second bevel gear; 94. a third bevel gear; 95. a first conveyor belt; 96. a fourth bevel gear;
10. a second drive lever; 11. a mounting cavity; 12. a connecting rod; 121. a reciprocating screw; 122. a loop bar; 13. a fifth bevel gear; 14. an organ cover; 15. a flow guide box; 16. a baffle.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a urea scrubbing tower. Referring to fig. 1 and 2, the urea scrubbing tower includes the mounting bracket 1 that sets up in the scrubbing tower, in this embodiment of the application, mounting bracket 1 is fixed to be set up on the inner wall of scrubbing tower, mounting bracket 1 includes fixed mounting panel that sets up on the inner wall of scrubbing tower and the bracing that sets up on the inner wall of scrubbing tower, one side of bracing is fixed to be set up on the inner wall of scrubbing tower, the other side is fixed to be set up on the mounting panel, be provided with a plurality of impingement plates 2 on mounting bracket 1, in this embodiment of the application, the cross-section of impingement plate 2 is the rectangle, in other embodiments, the cross-section of impingement plate 2 can be circular, a plurality of impingement plates 2 are located same axis and arrange on mounting bracket 1 along the degree of depth direction of scrubbing tower, furthermore, the impingement plate 2 that is located the top layer is fixed to be set up on the mounting panel, leave certain space between a plurality of impingement plates 2, the impingement plate 2 that is located near the scrubbing tower bottom is the sealed setting, first mouth of crossing 3 has been seted up in the axle center department of all the remaining impingement plate 2, along the direction of scrubbing tower, the height direction of scrubbing tower, the first mouth of crossing 3 reduces gradually, the diameter of crossing mouth of crossing 3 is located the wet return water pipe under.
When the process gas is treated, circulating urine is circulated into the washing tower through the water return pipe and impacts the impact plate 2 through the water outlet of the water return pipe, part of the circulating urine enters the lower impact plate 2 through the first water passing port 3 and impacts the lower impact plate 2, the circulating urine impacting the impact plate 2 rebounds into the washing tower and forms umbrella-shaped water mist, and then the process gas is absorbed; furthermore, compared with the mode that the spray head is arranged at the water outlet end of the water return pipe, the possibility of blockage of the spray head is reduced, and further the process gas is conveniently absorbed.
Referring to fig. 2 and 3, in order to reduce the possibility of condensation of the process gas on the impact plate 2, a rotating scraping rod 4 is disposed on the impact plate 2, in the embodiment of the present application, a mounting rod 5 is disposed in the first water passing opening 3, the mounting rod 5 spans the first water passing opening 3, further, a fixing rod 6 is rotatably disposed on the mounting rod 5, a length direction of the fixing rod 6 is parallel to a depth direction of the washing tower, the scraping rod 4 is fixedly disposed on the fixing rod 6, the scraping rod 4 abuts against the impact plate 2, further, the scraping rod 4 is folded, the scraping rod 4 abuts against a circumferential wall of the first water passing opening 3 at the same time, a rotation axis of the scraping rod 4 is perpendicular to a plane of the impact plate 2, second water passing openings 7 are disposed on two sides of the first water passing opening 3 on the impact plate 2, a rotation axis of the first blade 8 is parallel to a plane of the impact plate 2, the circulating liquid urine in the water passing pipe impacts the first blade 8 and drives the first blade 8 to rotate, the washing tower further includes a first transmission part 9, and a first transmission part 9 for transmitting kinetic energy to the scraping rod 4 to the rotating scraping rod 4 and driving the scraping rod 4 to rotate;
referring to fig. 2 and 3, in the embodiment of the present application, a second driving rod 10 is rotatably disposed on the impact plate 2 and located in the second water passing opening 7, the first blade 8 is fixedly disposed on the second driving rod 10, the first transmission member 9 includes a first bevel gear 91 coaxially disposed on the first blade 8, the first bevel gear 91 is coaxially disposed on the second driving rod 10, a first driving rod 92 is rotatably disposed on the impact plate 2, a length direction of the first driving rod 92 is perpendicular to a rotation axis of the first blade 8, two ends of the first driving rod 92 are both provided with second bevel gears 93, and the second bevel gears 93 are engaged with the first bevel gears 91; the first driving rod 92 is coaxially provided with a third bevel gear 94, the impact plate 2 is rotatably provided with a fourth bevel gear 96 engaged with the third bevel gear 94, the rotation axis of the fourth bevel gear 96 is parallel to the rotation axis of the scraper bar 4, further, the first bevel gear 91, the second bevel gear 93, the third bevel gear 94 and the fourth bevel gear 96 are all located in the impact plate 2, the impact plate 2 is internally provided with a mounting cavity 11, the mounting cavity 11 and the first water passing opening 3 are arranged in a relatively spaced manner, and the first transmission member 9 further comprises a first transmission belt 95 arranged between the fixing rod 6 and the fourth bevel gear 96.
The part of the circulating urine in the return pipe is impacted on the second layer impact plate 2 through the first water passing opening 3, the part of the circulating urine enters the second water passing opening 7 and is impacted on the first blade 8 to drive the first blade 8 to rotate and further drive the second driving rod 10 to rotate, the second driving rod 10 rotates to drive the first bevel gear 91 to rotate, the first bevel gear 91 rotates the second bevel gear 93 to rotate, the second bevel gear 93 rotates to drive the first driving rod 92 to rotate, the first driving rod 92 rotates to drive the third bevel gear 94 to rotate, the third bevel gear 94 rotates to drive the fourth bevel gear 96 to rotate, the fourth bevel gear 96 rotates to drive the first conveyor belt 95 to operate, the first conveyor belt 95 operates to drive the connecting rod 12 to rotate, the connecting rod 12 rotates to drive the scraping rod 4 to rotate, and further clean crystals on the impact plate 2.
Referring to fig. 2 and 3, in order to further improve the effect of absorption treatment of the circulating urine on the process gas, a connecting rod 12 is disposed between adjacent impact plates 2, the length direction of the connecting rod 12 is parallel to the length direction of the washing tower, the impact plates 2 located at both sides of the connecting rod 12 are fixedly disposed on the connecting rod 12, the connecting rod 12 is of a telescopic structure, the telescopic direction of the connecting rod 12 is parallel to the depth direction of the washing tower, the connecting rod 12 includes a reciprocating lead screw 121 and a sleeve rod 122 for threaded connection with the reciprocating lead screw 121, further, the length directions of the reciprocating lead screw 121 and the sleeve rod 122 are parallel to the depth direction of the washing tower, the impact plate 2 located at one side of the reciprocating lead screw 121 is rotatably connected with the reciprocating lead screw 121, the impact plate 2 located at one side of the sleeve rod 122 is fixedly connected with the sleeve rod 122, the washing tower further includes a first driving member for driving the connecting rod 12 to telescope, the first driving member includes a fifth bevel gear 13 disposed on the reciprocating lead screw 121, the fifth bevel gear 13 is engaged with the first bevel gear 91, the rotation axis of the fifth bevel gear 13 is perpendicular to the rotation axis of the first bevel gear 91, and the fifth bevel gear 13 is disposed in the chamber 11.
When the first blade 8 rotates to drive the second driving rod 10 to rotate, the second driving rod 10 rotates to drive the first bevel gear 91 to rotate, the first bevel gear 91 rotates to drive the fifth bevel gear 13 to rotate, the fifth bevel gear 13 rotates to drive the reciprocating lead screw 121 to rotate, the reciprocating lead screw 121 rotates to drive the loop bar 122 to slide, the loop bar 122 slides to drive the impact plate 2 to slide in a reciprocating manner, and then the diameter of the umbrella-shaped spray is adjusted, so that the treatment effect on the process gas is improved.
Referring to fig. 2 and 3, in order to reduce the possibility of crystallization of the circulating urine on the reciprocating lead screw 121, the washing tower further comprises an organ cover 14, the reciprocating lead screw 121 is sleeved in the organ cover 14, the length direction of the organ cover 14 is parallel to the length direction of the reciprocating lead screw 121, one end of the organ cover 14 close to the impact plate 2 is fixedly arranged on the impact plate 2, and the other end of the organ cover 14 is fixedly arranged on the loop bar 122; under the action of the organ cover 14, the reciprocating screw rod 121 is relatively separated from the circulating urine, so that the possibility of crystallization on the reciprocating screw rod 121 is reduced, and the impact plate 2 can slide in a reciprocating manner.
Referring to fig. 2 and 3, in order to facilitate the circulating urine to impact on the first blades 8, a diversion box 15 is arranged on the impact plate 2, further, a fixing frame is fixedly arranged on the impact plate 2, the diversion box 15 is fixedly arranged on the fixing frame, a certain space is left between the diversion box 15 and the first blades 8, openings are arranged on both sides of the diversion box 15 along the height direction of the washing tower, the opening of the diversion box 15 close to the top of the washing tower is larger than the opening of the diversion box 15 close to the bottom of the washing tower, an overlapping part is formed between the opening of the diversion box 15 close to the top of the washing tower and the projection of the water return pipe on the impact plate 2, and the opening of the diversion box 15 close to the bottom of the washing tower is opposite to the fan blades on one side of the first blades 8; the circulating urine entering the diversion box 15 impacts the first blade 8 through the opening at the bottom so as to drive the first blade 8 to rotate; the diversion box 15 has the effect of diversion, thereby facilitating the impact of the circulating urine on the first blade 8.
Referring to fig. 2 and 3, further, in order to reduce the possibility that the circulating urine enters the installation cavity 11, both ends of the second driving rod 10 are rotatably arranged in the impact plate 2, a guide plate 16 is fixedly arranged on the impact plate 2, the guide plate 16 is horn-shaped, the diameter of the guide plate 16 is gradually increased along the direction departing from the impact plate 2 along the guide plate 16, and the second driving rod 10 is rotatably arranged in the guide plate 16; under the effect of guide plate 16 for the circulation urine that is close to second actuating lever 10 tip gets into guide plate 16 promptly, and flows along guide plate 16, makes circulation urine and impingement plate 2 in time separate, and then has reduced the possibility that circulation urine got into in the installation cavity 11.
The implementation principle of the urea washing tower in the embodiment of the application is as follows:
after the circulating urine in the water return pipe enters the washing tower, the circulating urine impacts the impact plate 2 and rebounds to the washing tower to form umbrella-shaped spray, so that the treatment effect on the process gas is improved; circulating urine enters the lower impact plate 2 through the first water passing port 3 and impacts the impact plate 2 at the bottom;
meanwhile, the circulating urine passes through the second water passing opening 7, the circulating urine impacts the first blade 8, the first blade 8 rotates to drive the second driving rod 10 to rotate, the second driving rod 10 rotates to drive the first bevel gear 91 to rotate, the first bevel gear 91 rotates the second bevel gear 93 to rotate, the second bevel gear 93 rotates to drive the first driving rod 92 to rotate, the first driving rod 92 rotates to drive the third bevel gear 94 to rotate, the third bevel gear 94 rotates to drive the fourth bevel gear 96 to rotate, the fourth bevel gear 96 rotates to drive the first conveyor belt 95 to operate, the first conveyor belt 95 operates to drive the connecting rod 12 to rotate, the connecting rod 12 rotates to drive the scraping rod 4 to rotate, and crystals on the impact plate 2 are cleaned;
meanwhile, the first bevel gear 91 rotates to drive the fifth bevel gear 13 to rotate, the fifth bevel gear 13 rotates to drive the reciprocating screw 121 to rotate, the reciprocating screw 121 rotates to drive the sleeve rod 122 to slide, the sleeve rod 122 slides to drive the impact plate 2 to slide in a reciprocating mode, the diameter of the umbrella-shaped spray is adjusted, and therefore the treatment effect of the process gas is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A urea scrubbing tower characterized by: including setting up mounting bracket (1) in the scrubbing tower, be provided with a plurality of impact plate (2) on mounting bracket (1), it is a plurality of impact plate (2) are located same axis and arrange on mounting bracket (1) along the direction of depth of scrubbing tower, and are a plurality of leave certain space between impact plate (2), are located and are close to impact plate (2) of scrubbing tower bottom are the closed setting, all the other first mouth of a river (3) of crossing has been seted up to the axle center department of impact plate (2), along the direction of height of scrubbing tower, the first diameter of crossing mouth of a river (3) reduces gradually, first mouth of a river (3) of crossing is located the wet return under.
2. A urea scrubber according to claim 1, characterized in that: the washing tower is characterized in that a scraping rod (4) is rotatably arranged on the impact plate (2), the scraping rod (4) is abutted against the impact plate (2), the rotation axis of the scraping rod (4) is perpendicular to the plane of the impact plate (2), the two sides of the impact plate (2) which are located at the first water passing port (3) are provided with second water passing ports (7), first blades (8) are rotatably arranged in the second water passing ports (7), the rotation axis of the first blades (8) is parallel to the plane of the impact plate (2), circulating liquid urine in a water return pipe impacts the first blades (8) and drives the first blades (8) to rotate, the washing tower further comprises first transmission pieces (9), and the first transmission pieces (9) are used for transmitting the rotation kinetic energy of the first blades (8) to the scraping rod (4) and driving the scraping rod (4) to rotate.
3. A urea scrubber according to claim 2, characterized in that: the first transmission piece (9) comprises a first bevel gear (91) coaxially arranged on the first blade (8), a first driving rod (92) is rotatably arranged on the impact plate (2), the length direction of the first driving rod (92) is perpendicular to the rotating axis of the first blade (8), two ends of the first driving rod (92) are respectively provided with a second bevel gear (93), and the second bevel gears (93) are meshed with the first bevel gears (91); the first driving rod (92) is coaxially provided with a third bevel gear (94), the impact plate (2) is rotatably provided with a fourth bevel gear (96) meshed with the third bevel gear (94), the rotating axis of the fourth bevel gear (96) is parallel to the rotating axis of the scraping rod (4), and the first transmission piece (9) further comprises a first transmission belt (95) arranged between the scraping rod (4) and the fourth bevel gear (96).
4. A urea scrubber as claimed in claim 3, wherein: it is adjacent be provided with connecting rod (12) between impact plate (2), the length direction of connecting rod (12) is on a parallel with the length direction of scrubbing tower, is located impact plate (2) of the both sides of connecting rod (12) are fixed to be set up on connecting rod (12), connecting rod (12) are extending structure, the flexible direction of connecting rod (12) is on a parallel with the degree of depth direction of scrubbing tower, and the scrubbing tower still includes and is used for ordering about the flexible first driving piece of connecting rod (12).
5. A urea scrubber according to claim 4, characterized in that: the connecting rod (12) comprises a reciprocating lead screw (121) and a sleeve rod (122) for being in threaded connection with the reciprocating lead screw (121), an impact plate (2) positioned on one side of the reciprocating lead screw (121) is rotatably connected with the reciprocating lead screw (121), and the impact plate (2) positioned on one side of the sleeve rod (122) is fixedly connected with the sleeve rod (122); the first driving piece comprises a fifth bevel gear (13) arranged on the reciprocating lead screw (121), and the fifth bevel gear (13) is meshed with the first bevel gear (91).
6. A urea scrubber according to claim 5, wherein: the washing tower further comprises an organ cover (14), the reciprocating lead screw (121) is sleeved in the organ cover (14), the length direction of the organ cover (14) is parallel to the length direction of the reciprocating lead screw (121), one end, close to the impact plate (2), of the organ cover (14) is fixedly arranged on the impact plate (2), and the other end of the organ cover is fixedly arranged on the loop bar (122).
7. A urea scrubber according to any one of claims 2-6, characterized in that: be provided with on impact plate (2) and lead box (15), the equal opening in both sides of washing tower direction of height sets up is followed in diversion box (15), the opening that leads box (15) and be close to the washing tower top is greater than the opening that leads box (15) and be close to the washing tower bottom, the opening that leads box (15) and be close to the washing tower top has the overlap section with the projection of wet return on impact plate (2), the opening that leads box (15) and be close to the washing tower bottom is just to the flabellum of first blade (8) one side.
8. A urea scrubber according to any one of claims 2-6, characterized in that: a second driving rod (10) is rotatably arranged on the impact plate (2) and positioned in the second water passing port (7), the first blade (8) is fixedly arranged on the second driving rod (10), and two ends of the second driving rod (10) are rotatably arranged in the impact plate (2); be provided with guide plate (16) on impingement plate (2), guide plate (16) are the loudspeaker form, guide plate (16) are along the direction that deviates from impingement plate (2), the diameter of guide plate (16) crescent, second actuating lever (10) rotate and set up in guide plate (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211063157.XA CN115301049B (en) | 2022-09-01 | 2022-09-01 | Urea scrubbing tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211063157.XA CN115301049B (en) | 2022-09-01 | 2022-09-01 | Urea scrubbing tower |
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| CN115301049A true CN115301049A (en) | 2022-11-08 |
| CN115301049B CN115301049B (en) | 2024-03-19 |
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| CN202211063157.XA Active CN115301049B (en) | 2022-09-01 | 2022-09-01 | Urea scrubbing tower |
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|---|---|---|---|---|
| US3759497A (en) * | 1970-06-15 | 1973-09-18 | Swemco Ltd | Impingement baffle plate assemblies |
| US4990167A (en) * | 1988-12-24 | 1991-02-05 | Gottfried Bischoff Bau Kompl. Gasreinigungs Und Wasserruckkuhlanlagen Gmbh & Co. Kommanditgesellschaft | Scrubbing column for an apparatus for the desulfurization of flue gases |
| EP0755723A2 (en) * | 1995-07-27 | 1997-01-29 | Haden, Inc., | Spray booth paint reclamation apparatus and method |
| KR20100010403U (en) * | 2010-08-13 | 2010-10-22 | 엔에코기술주식회사 | Double hopper cleaning tower |
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| CN203990228U (en) * | 2014-09-01 | 2014-12-10 | 江西省恩皓环保有限公司 | Wave-shape board water desulfurizing-dusting device |
| US20150343355A1 (en) * | 2014-05-28 | 2015-12-03 | Ingersoll-Rand Company | Impact moisture separator |
| CN205642070U (en) * | 2016-05-25 | 2016-10-12 | 常州市东南热电有限公司 | Steam power plant's high temperature tail gas remains utilization of heat device |
| CN114682054A (en) * | 2022-04-02 | 2022-07-01 | 奎屯锦疆化工有限公司 | Melamine urea washing tower |
-
2022
- 2022-09-01 CN CN202211063157.XA patent/CN115301049B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759497A (en) * | 1970-06-15 | 1973-09-18 | Swemco Ltd | Impingement baffle plate assemblies |
| US4990167A (en) * | 1988-12-24 | 1991-02-05 | Gottfried Bischoff Bau Kompl. Gasreinigungs Und Wasserruckkuhlanlagen Gmbh & Co. Kommanditgesellschaft | Scrubbing column for an apparatus for the desulfurization of flue gases |
| EP0755723A2 (en) * | 1995-07-27 | 1997-01-29 | Haden, Inc., | Spray booth paint reclamation apparatus and method |
| KR20100010403U (en) * | 2010-08-13 | 2010-10-22 | 엔에코기술주식회사 | Double hopper cleaning tower |
| US20150343355A1 (en) * | 2014-05-28 | 2015-12-03 | Ingersoll-Rand Company | Impact moisture separator |
| CN104056540A (en) * | 2014-07-02 | 2014-09-24 | 浙江双屿实业有限公司 | Turbulent washing flue gas dust removal desulfurizer |
| CN203990228U (en) * | 2014-09-01 | 2014-12-10 | 江西省恩皓环保有限公司 | Wave-shape board water desulfurizing-dusting device |
| CN205642070U (en) * | 2016-05-25 | 2016-10-12 | 常州市东南热电有限公司 | Steam power plant's high temperature tail gas remains utilization of heat device |
| CN114682054A (en) * | 2022-04-02 | 2022-07-01 | 奎屯锦疆化工有限公司 | Melamine urea washing tower |
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| CN115301049B (en) | 2024-03-19 |
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