CN115301049B - Urea scrubbing tower - Google Patents
Urea scrubbing tower Download PDFInfo
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- CN115301049B CN115301049B CN202211063157.XA CN202211063157A CN115301049B CN 115301049 B CN115301049 B CN 115301049B CN 202211063157 A CN202211063157 A CN 202211063157A CN 115301049 B CN115301049 B CN 115301049B
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- 238000005201 scrubbing Methods 0.000 title claims abstract description 30
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000004202 carbamide Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 33
- 210000002700 urine Anatomy 0.000 claims description 62
- 238000005406 washing Methods 0.000 claims description 58
- 210000000056 organ Anatomy 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 241000883990 Flabellum Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 239000013078 crystal Substances 0.000 description 8
- 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
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000003116 impacting effect Effects 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
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 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
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
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 application relates to a urea scrubbing tower belongs to urea production facility technical field, including the mounting bracket that sets up in the scrubbing tower, be provided with a plurality of impact plates on the mounting bracket, a plurality of impact plates are located same axis and arrange on the mounting bracket along the degree of depth direction of scrubbing tower, a plurality of leave certain space between the impact plates, be located being close to the impact plate of scrubbing tower bottom is the closed setting, and is remaining first water gap has been seted up to the axle center department of impact plate, along the direction of height of scrubbing tower, the diameter of first water gap reduces gradually, first water gap is located the wet return under. The method has the effect of facilitating the absorption treatment of 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 melamine production process, a urea washing tower (for short, a urea washing tower) is a main device, and has the main functions of washing process gas from a cold air blower by using circulating liquid urea, absorbing solid impurities such as melamine, byproducts and the like in the process gas, reducing the temperature of the gas while achieving the purpose of purifying the gas so as to recycle and byproduct low-pressure steam. The specific working flow is as follows: the process gas from the top of the urine washing tower is mixed with circulating liquid urine sprayed by a liquid urine spray nozzle at the upper part of a heat exchange tube bundle of the urine washing tower and then flows downwards, the water passes through the outer side of the heat exchange tube bundle and water in the heat exchange tube bundle to exchange heat and cool, the water absorption heat quantity is changed into steam to go to a low-pressure steam pipe network, and the process gas is purified and cooled and then goes to a compression station for recycling.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the melamine has the characteristics of sublimation and desublimation, and when the process gas is reduced to a certain temperature, the melamine can be desublimated into solid, so that the melamine is easy to coagulate into crystals in the urine spray head, and the urine spray head is easy to block, so that the process gas is difficult to absorb.
Disclosure of Invention
In order to facilitate the absorption treatment of process gases, a urea scrubber is provided.
The urea washing tower adopts the following technical scheme:
the utility model provides a urea scrubbing tower, includes the mounting bracket that sets up in the scrubbing tower, be provided with a plurality of impact plates on the mounting bracket, a plurality of impact plates are located same axis and arrange on the mounting bracket along the depth direction of scrubbing tower, a plurality of leave certain space between the impact plates, be located being close to the impact plate of scrubbing tower bottom is the closed setting, and is remaining first water gap has been seted up to the axle center department of impact plate, along the direction of height of scrubbing tower, the diameter of first water gap reduces gradually, first water gap is located the wet return under.
By adopting the technical scheme, 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 on the first layer impact plate, the circulating urine on the periphery of the first water passing port impacts on the impact plate, then the circulating urine 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, then impacts on the second layer of impact plate, and bounces back into the washing tower, and circulates in such a way to absorb the process gas; the circulating urine passing through the upper impact plate impacts on the impact plate, and bounces back into the washing tower, and absorbs the process gas; further, the diameter of the first water passing hole is gradually reduced, so that each layer of impact plate can conveniently reflect and impact the circulating urine to absorb the process gas.
Optionally, be provided with the rotation on the impact plate and be provided with the scraper bar, the scraper bar butt is on the impact plate, the axis of rotation perpendicular to of scraper bar is strikeed the plane at board place, the second is crossed the mouth of a river on the impact plate and be located the both sides at first mouth of a river and have been seted up, the second is crossed the mouth of a river internal rotation and is provided with first blade, the axis of rotation of first blade is on a parallel with the plane at impact plate place, and circulating liquid urine in the wet return is strikeed first blade and is driven first blade and rotates, and the scrubbing tower still includes first transfer member, first transfer member is used for transmitting the rotational energy of first blade to the scraper bar to drive the scraper bar and rotate.
By adopting the technical scheme, when the circulating urine impacts on the impact plate, part of melamine may be coagulated into crystals on the impact plate, so that the diameter of the first water passing port is gradually reduced, and the water passing capability of the first water passing port is weakened; the circulating urine in the return pipe is impacted when impacting the plate, part of the circulating urine is impacted on the first blade and drives the first blade to rotate, meanwhile, under the action of the first transmission piece, the first blade rotates to drive the scraping rod to rotate, the scraping rod rotates to scrape crystals on the impact plate, the scraped crystals are separated from the impact plate under the impact of the circulating urine, and therefore the water passing capacity of the first water passing port is improved.
Optionally, the first transmission piece comprises a first bevel gear coaxially arranged on the first blade, a first driving rod is rotatably arranged on the impact plate, 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 respectively provided with a second bevel gear, and the second bevel gears are meshed with the first bevel gear; the first driving rod is coaxially provided with a third bevel gear, the impact plate is rotatably provided with a fourth bevel gear meshed with the third bevel gear, the rotation axis of the fourth bevel gear is parallel to the rotation axis of the scraping rod, and the first transmission piece further comprises a first conveying 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 to drive 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, and the first conveyor belt operates to drive the scraping rod to rotate, so that the operation is simple and convenient; meanwhile, the transmission structure has the advantages of stable transmission and stable structure.
Optionally, a connecting rod is disposed between the adjacent impact plates, the length direction of the connecting rod is parallel to the length direction of the washing tower, the impact plates on two sides of the connecting rod are fixedly disposed on the connecting rod, the connecting rod is of a telescopic structure, the telescopic direction of the connecting rod is parallel to the depth direction of the washing tower, and the washing tower further comprises a first driving piece for driving the connecting rod to stretch.
By adopting the technical scheme, when the circulating urine impacts on the impact plate, the circulating urine reflected from the impact plate into the washing tower is umbrella-shaped so as to absorb and treat the process gas; in the process of impact, the first driving piece drives the connecting rod to stretch and retract, the connecting rod stretches and contracts to drive the impact plate to slide back and forth in the vertical direction, and then the diameter of the rebound umbrella-shaped circulating urine is changed, so that the treatment effect on process gas is improved.
Optionally, the connecting rod comprises a reciprocating screw and a loop bar for threaded connection with the reciprocating screw, an impact plate positioned at one side of the reciprocating screw is rotationally connected with the reciprocating screw, and an impact plate positioned at one side of the loop bar is fixedly connected with the loop bar; the first driving member includes a fifth bevel gear disposed on the reciprocating screw, and the fifth bevel gear is engaged with the first bevel gear.
Through adopting above-mentioned technical scheme, when first blade rotates, first blade rotates and drives first bevel gear and rotate, and first bevel gear rotates and drives fifth bevel gear and rotate, and fifth bevel gear rotates and drives the reciprocating screw and rotate, and reciprocating screw rotates and drives the loop bar and slides, and then drives the impact plate and slide, easy operation is convenient; further, the reciprocating screw rod rotates to drive the loop bar to slide reciprocally in a certain range, so that the impact plate slides reciprocally in the range, the diameter of 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 screw rod is sleeved in the organ cover, the length direction of the organ cover is parallel to the length direction of the reciprocating screw rod, one end, close to the impact plate, of the organ cover 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 the organ cover, the reciprocating screw rod is sleeved in the organ cover, so that the reciprocating screw rod is relatively separated from circulating urine, the possibility that crystals are attached to the reciprocating screw rod is further reduced, and the process gas is conveniently absorbed.
Optionally, be provided with the water conservancy diversion box on the impact plate, the water conservancy diversion box sets up along the equal opening in both sides of washing tower direction of height, the opening that the water conservancy diversion box is close to the washing tower top is greater than the opening that the water conservancy diversion box is close to the washing tower bottom, the opening that the water conservancy diversion box is close to the washing tower top has the overlap portion with the projection of wet return on the impact plate, the opening that the water conservancy diversion box is close to the washing tower bottom 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 on the impact plate, 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 on the first blade, and the first blade can rotate conveniently; meanwhile, openings at two ends of the diversion box are inconsistent in size, so that the opening of the diversion box for circulating urine to flow out is reduced, and the impact force for impacting the first blade is further increased, so that the first blade can rotate conveniently; the projection of the diversion box and the return pipe on the impact plate is partially overlapped, so that circulating urine in the return pipe can enter the diversion box conveniently.
Optionally, a second driving rod is rotatably arranged on the impact plate and positioned in the second water passing port, the first blade is fixedly arranged on the second driving rod, and both ends of the second driving rod are rotatably arranged in the impact plate; the impact plate is provided with a guide plate, the guide plate is in a horn shape, the guide plate is in a direction deviating from the impact plate, the diameter of the guide plate is gradually increased, and the second driving rod is rotatably arranged 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 can rotate conveniently; meanwhile, the guide plate is in a horn shape, so that circulating urine which is close to the connecting end of the second driving rod and the impact plate conveniently flows out along the guide plate, and the possibility of blocking the second driving rod is further reduced.
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 on the first layer impact plate, the circulating urine on the periphery of the first water passing port impacts on the impact plate, then the circulating urine 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, then impacts on the second layer of impact plate, and bounces back into the washing tower, and circulates in such a way to absorb the process gas; the circulating urine passing through the upper impact plate impacts on the impact plate, and bounces back into the washing tower, and absorbs the process gas; further, the diameter of the first water passing hole is gradually reduced, so that each layer of impact plate can conveniently reflect and impact the circulating urine to absorb the process gas.
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 view of the structure of an impingement plate in a urea scrubber according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of an impingement plate in a urea scrubber according to an embodiment of the present application.
Reference numerals illustrate: 1. a mounting frame; 2. an impingement plate; 3. a first water passing port; 4. a scraping rod; 5. a mounting rod; 6. a fixed rod; 7. a second water passing port; 8. a first blade;
9. a first transmission member; 91. a first bevel gear; 92. a first driving lever; 93. a second bevel gear; 94. a third bevel gear; 95. a first conveyor belt; 96. a fourth bevel gear;
10. a second driving 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 diversion box; 16. and a deflector.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a urea washing 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, mounting bracket 1 is fixed to be set up on the inner wall of scrubbing tower, mounting bracket 1 is including the mounting panel of fixed setting on the scrubbing tower inner wall and the bracing of setting on the scrubbing tower inner wall, the inner wall of scrubbing tower is fixed to one side setting of bracing, the fixed setting on the mounting panel of another side, be provided with a plurality of impact plates 2 on mounting bracket 1, in this embodiment, the cross-section of impact plate 2 is the rectangle, in other embodiments, the cross-section of impact plate 2 can be circular, a plurality of impact plates 2 are located same axis and arrange on mounting bracket 1 along the depth direction of scrubbing tower, further, be located the fixed setting of impact plate 2 on the mounting panel of top layer, leave certain space between a plurality of impact plates 2, be close to set up in the impact plate 2 that is close to the scrubbing tower bottom, the axle center department of other impact plates 2 has seted up first water gap 3, follow the direction of height of scrubbing tower, the diameter of first water gap 3 reduces gradually, first water gap 3 is located under the water pipe returns.
When the process gas is treated, circulating urine is circulated into the washing tower through the water return pipe, and is impacted on 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 is impacted on the lower impact plate 2, and the circulating urine impacted on the impact plate 2 is rebounded into the washing tower to form umbrella-shaped water mist, so that the process gas is absorbed; further, compared with the shower nozzle is arranged at the water outlet end of the water return pipe, the possibility of blocking the shower nozzle is reduced, and further the absorption treatment of the process gas is facilitated.
Referring to fig. 2 and 3, in order to reduce the possibility of condensation of the process gas on the impact plate 2, the impact plate 2 is provided with a scraping rod 4 in a rotating manner, in this embodiment, a mounting rod 5 is arranged in the first water passing port 3, the mounting rod 5 spans across the first water passing port 3, further, the mounting rod 5 is provided with a fixing rod 6 in a rotating manner, the length direction of the fixing rod 6 is parallel to the depth direction of the washing tower, the scraping rod 4 is fixedly arranged on the fixing rod 6, the scraping rod 4 is abutted against the impact plate 2, further, the scraping rod 4 is in a folded shape, the scraping rod 4 is simultaneously abutted against the peripheral wall of the first water passing port 3, the rotation axis of the scraping rod 4 is perpendicular to the plane of the impact plate 2, the second water passing port 7 is arranged on two sides of the first water passing port 3, the second water passing port 7 is provided with a first blade 8 in a rotating manner, the rotation axis of the first blade 8 is parallel to the plane of the impact plate 2, the circulating liquid urine in the circulating liquid in the circulating water pipe impacts the first blade 8 and drives the first blade 8 to rotate, the washing tower 9 also comprises a first blade 9 and a first blade 9 for transmitting kinetic energy to the rotation energy 4;
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 at the second water passing port 7, the first vane 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 vane 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 vane 8, both ends of the first driving rod 92 are provided with second bevel gears 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 rotation axis of the fourth bevel gear 96 is parallel to the rotation axis of the scraping rod 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 positioned 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 port 3 are oppositely arranged in a spaced mode, and the first transmission piece 9 further comprises a first conveying belt 95 arranged between the fixed rod 6 and the fourth bevel gear 96.
The part of the circulating urine in the water return pipe is impacted on the second layer impact plate 2 through the first water passing port 3, the part of the circulating urine enters the second water passing port 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 then crystals on the impact plate 2 are cleaned.
Referring to fig. 2 and 3, in order to further improve the effect of the cyclic urine on the process gas absorption treatment, a connecting rod 12 is disposed between the 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 disposed 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 comprises a reciprocating screw 121 and a sleeve rod 122 for threaded connection with the reciprocating screw 121, further, the length directions of the reciprocating screw 121 and the sleeve rod 122 are parallel to the depth direction of the washing tower, the impact plates 2 disposed at one side of the reciprocating screw 121 are rotatably connected with the reciprocating screw 121, the impact plates 2 disposed at one side of the sleeve rod 122 are fixedly connected with the sleeve rod 122, the washing tower further comprises a first driving member for driving the connecting rod 12 to be telescopic, the first driving member comprises a fifth bevel gear 13 disposed on the reciprocating screw 121, the fifth bevel gear 13 is meshed with the first bevel gear 91, and the rotation axis of the fifth bevel gear 13 is perpendicular to the rotation axis of the first bevel gear 91, further, and the fifth bevel gear 13 is disposed in the installation cavity 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 screw rod 121 to rotate, the reciprocating screw rod 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 manner, and the diameter of umbrella-shaped spray is adjusted, so that the treatment effect on process gas is improved.
Referring to fig. 2 and 3, in order to reduce the possibility of circulating urine crystallizing on the reciprocating screw 121, the washing tower further includes an organ cover 14, the reciprocating 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 screw 121, one end of the organ cover 14, which is close to the impact plate 2, is fixedly arranged on the impact plate 2, and the other end is fixedly arranged on the sleeve rod 122; under the action of the organ cover 14, the reciprocating screw rod 121 is relatively separated from circulating urine, so that the possibility of crystallization on the reciprocating screw rod 121 is reduced, and the impact plate 2 can slide back and forth conveniently.
Referring to fig. 2 and 3, in order to facilitate the impact of the circulating urine on the first blade 8, the impact plate 2 is provided with a diversion box 15, further, the impact plate 2 is fixedly provided with a fixing frame, the diversion box 15 is fixedly arranged on the fixing frame, a certain space is reserved between the diversion box 15 and the first blade 8, the diversion box 15 is arranged along both sides of the height direction of the washing tower in an opening mode, the opening of the diversion box 15 near the top of the washing tower is larger than the opening of the diversion box 15 near the bottom of the washing tower, the opening of the diversion box 15 near the top of the washing tower and the projection of the water return pipe on the impact plate 2 are provided with overlapped parts, and the opening of the diversion box 15 near the bottom of the washing tower faces to the fan blade on one side of the first blade 8; the circulating urine entering the diversion box 15 impacts on 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 diversion effect, so that the circulating urine is convenient to impact 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 disposed in the impact plate 2, the impact plate 2 is fixedly provided with a baffle 16, the baffle 16 is in a horn shape, the diameter of the baffle 16 gradually increases along the direction away from the impact plate 2, and the second driving rod 10 is rotatably disposed in the baffle 16; under the action of the deflector 16, the circulating urine close to the end part of the second driving rod 10 enters the deflector 16 and flows along the deflector 16, so that the circulating urine is separated from the impact plate 2 in time, and the possibility that the circulating urine enters the installation cavity 11 is reduced.
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 on the impact plate 2 and bounces back to the washing tower to form umbrella-shaped spray so as to improve the treatment effect on the process gas; circulating urine enters the lower impact plate 2 through the first water passing port 3 and impacts on the impact plate 2 at the bottom;
meanwhile, circulating urine passes through the second water passing port 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 to drive 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 then 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 rod 121 to rotate, the reciprocating screw rod 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 manner, and the diameter of umbrella-shaped spray is adjusted, so that the treatment effect on process gas is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A urea scrubber, characterized in that: including setting up mounting bracket (1) in the scrubbing tower, be provided with a plurality of impact plates (2) on mounting bracket (1), a plurality of impact plates (2) are located same axis and arrange on mounting bracket (1) along the depth direction of scrubbing tower, a plurality of leave certain space between impact plates (2), be located being close to impact plates (2) of scrubbing tower bottom are sealed the setting, and is remaining first water gap (3) have been seted up in the axle center department of impact plates (2), along the direction of height of scrubbing tower, the diameter of first water gap (3) reduces gradually, through upper strata the circulating urine impact of impact plates (2) is on impact plates (2) to rebound to in the scrubbing tower, in order to absorb process gas, first water gap (3) are located the wet return under.
2. A urea scrubber as claimed in claim 1, wherein: the utility model discloses a washing tower, including impact plate (2), scraper bar (4) are provided with in the rotation on impact plate (2), scraper bar (4) butt is on impact plate (2), the axis of rotation perpendicular to impact plate (2) place plane of scraper bar (4), second water gap (7) have been seted up on impact plate (2) and are located the both sides of first water gap (3), second water gap (7) rotation is provided with first blade (8), the axis of rotation of first blade (8) is on a parallel with impact plate (2) place plane, and circulating liquid urine in the wet return is impacted first blade (8) and is driven first blade (8) and is rotated, and the washing tower still includes first transfer piece (9), first transfer piece (9) are used for transmitting the rotational energy of first blade (8) to scraper bar (4) to drive scraper bar (4) rotation.
3. A urea scrubber as claimed in claim 2, wherein: 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 rotation axis of the first blade (8), second bevel gears (93) are arranged at two ends of the first driving rod (92), 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 rotation axis of the fourth bevel gear (96) is parallel to the rotation axis of the scraping rod (4), and the first transmission piece (9) further comprises a first conveying belt (95) arranged between the scraping rod (4) and the fourth bevel gear (96).
4. A urea scrubber according to claim 3, characterized in that: be provided with connecting rod (12) between adjacent strike board (2), the length direction of connecting rod (12) is on a parallel with the length direction of scrubbing tower, is located strike board (2) of the both sides of connecting rod (12) are fixed to be set up on connecting rod (12), connecting rod (12) are telescopic structure, the flexible direction of connecting rod (12) is on a parallel with the depth direction of scrubbing tower, and the scrubbing tower is still including being used for order about the flexible first driving piece of connecting rod (12).
5. A urea scrubber as set forth in claim 4, characterized in that: the connecting rod (12) comprises a reciprocating screw (121) and a sleeve rod (122) for being in threaded connection with the reciprocating screw (121), an impact plate (2) positioned at one side of the reciprocating screw (121) is rotationally connected with the reciprocating screw (121), and the impact plate (2) positioned at one side of the sleeve rod (122) is fixedly connected with the sleeve rod (122); the first driving member includes a fifth bevel gear (13) provided on a reciprocating screw (121), the fifth bevel gear (13) being intermeshed with the first bevel gear (91).
6. A urea scrubber as set forth in claim 5, characterized in that: the washing tower further comprises an organ cover (14), the reciprocating screw rod (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 screw rod (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 of claims 2-6, characterized in that: the utility model discloses a washing tower, including washing tower, baffle plate (2) are last to be provided with water conservancy diversion box (15), the both sides of water conservancy diversion box (15) along washing tower direction of height all open-ings set up, the opening that water conservancy diversion box (15) are close to the washing tower top is greater than the opening that water conservancy diversion box (15) are close to the washing tower bottom, the opening that water conservancy diversion box (15) are close to the washing tower top has the overlap portion with the projection of wet return on baffle plate (2), the opening that water conservancy diversion box (15) are close to the washing tower bottom just to the flabellum of first blade (8) one side.
8. A urea scrubber according to any of claims 2-6, characterized in that: the impact plate (2) is positioned on the second water passing port (7) and is rotationally provided with a second driving rod (10), the first blade (8) is fixedly arranged on the second driving rod (10), and two ends of the second driving rod (10) are both rotationally arranged in the impact plate (2); be provided with guide plate (16) on impact plate (2), guide plate (16) are loudspeaker form, guide plate (16) are along the direction that deviates from impact plate (2), the diameter of guide plate (16) increases gradually, second actuating lever (10) rotate and set up in guide plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN115301049A CN115301049A (en) | 2022-11-08 |
| CN115301049B true CN115301049B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211063157.XA Active CN115301049B (en) | 2022-09-01 | 2022-09-01 | Urea scrubbing tower |
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| CN (1) | CN115301049B (en) |
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| 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 |
| 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 |
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| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9682336B2 (en) * | 2014-05-28 | 2017-06-20 | Ingersoll-Rand Company | Impact moisture separator |
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Patent Citations (8)
| 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 |
| 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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|---|---|
| CN115301049A (en) | 2022-11-08 |
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