CN113617207A - Desulfurizing tower for graded ammonia addition - Google Patents

Desulfurizing tower for graded ammonia addition Download PDF

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Publication number
CN113617207A
CN113617207A CN202110852532.8A CN202110852532A CN113617207A CN 113617207 A CN113617207 A CN 113617207A CN 202110852532 A CN202110852532 A CN 202110852532A CN 113617207 A CN113617207 A CN 113617207A
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China
Prior art keywords
folded plate
tower body
defroster
driving
gear
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Application number
CN202110852532.8A
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Chinese (zh)
Inventor
沈松仁
吴秀华
许海锋
庞素元
蔡全国
沈阳
童荣林
陆建桥
沈志江
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Hangzhou Hangmin Thermal Power Co ltd
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Hangzhou Hangmin Thermal Power Co ltd
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Application filed by Hangzhou Hangmin Thermal Power Co ltd filed Critical Hangzhou Hangmin Thermal Power Co ltd
Priority to CN202110852532.8A priority Critical patent/CN113617207A/en
Publication of CN113617207A publication Critical patent/CN113617207A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76—Gas phase processes, e.g. by using aerosols
    • 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
    • B01D45/06—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by reversal of direction of flow
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The utility model relates to a desulfurizing tower of ammonia is added in grades, it includes the tower body, be provided with on the tower body and be used for advancing the tobacco pipe that is linked together with the tower body, it is connected with two folded plate defroster, two to slide along the horizontal direction in the tower body folded plate defroster divide into first folded plate defroster and the second folded plate defroster, two folded plate defroster distributes along folded plate defroster sliding direction, first folded plate defroster sets up on the second folded plate defroster, be provided with on the tower body and be used for carrying out the subassembly that washes to the folded plate defroster that lies in the tower body outside, be provided with the driving piece that is used for driving the folded plate defroster and removes on the tower body. The application has the effect of scaling and even blocking in order to reduce the demister.

Description

Desulfurizing tower for graded ammonia addition
Technical Field
The application relates to the field of boiler systems, in particular to a desulfurizing tower for staged ammonia addition.
Background
The desulfurizing tower is a tower type device for desulfurizing industrial waste gas.
The Chinese patent with publication number CN107261809A discloses a desulfurizing tower, which comprises a tower body, an air inlet pipe and an air outlet pipe which are positioned on the tower body, and a spraying device which is positioned on the tower body, wherein the spraying device comprises a slurry tank positioned at the bottom of the tower body, a spraying layer which is connected with the slurry tank through a liquid outlet pipe and is positioned between the air inlet pipe and the air outlet pipe, and a liquid outlet pump which is arranged on the liquid outlet pipe, the spraying layer and the air inlet pipe are separated by a splitter plate, the splitter plate is provided with splitter holes, a slow flow mechanism is arranged between the spraying layer and the air outlet pipe, the slow flow mechanism comprises driving rollers which are rotatably arranged at two sides of the outside of the tower body, film sleeves which are sleeved outside the driving rollers, and a motor which drives the driving rollers to rotate, air holes are formed in the film sleeves, and the spraying direction of the spraying layer faces towards the film sleeves. This application has the extension flue gas by the absorptive time of thick liquid, promotes the flue gas absorption effect.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: absorbent granule, smoke and dust, desulfurization product etc. will be caught by the defroster when using, will lead to the interior scale deposit of defroster and even block up, influence the efficiency of defroster.
Disclosure of Invention
In order to reduce scale deposit in the defroster and even block up, this application provides a desulfurizing tower of hierarchical ammoniation.
The application provides a desulfurizing tower of hierarchical ammoniation adopts following technical scheme:
the utility model provides a desulfurizing tower of hierarchical ammoniation, includes the tower body, be provided with on the tower body and be used for advancing the tobacco pipe that is linked together with the tower body, slide along the horizontal direction in the tower body and be connected with two folded plate defroster, two folded plate defroster divide into first folded plate defroster and the second folded plate defroster, two folded plate defroster distributes along folded plate defroster sliding direction, first folded plate defroster sets up on the second folded plate defroster, be provided with on the tower body and be used for carrying out the subassembly that washes to the folded plate defroster that lies in outside the tower body, be provided with the driving piece that is used for driving the folded plate defroster and removes on the tower body.
Through adopting above-mentioned technical scheme, the flue gas gets into to the tower body in through advancing the tobacco pipe during use, get rid of two sulfur oxide in the flue gas, when impurity on the folded plate defroster was too much, the driving piece drives the folded plate defroster sliding-out tower body that is located the tower body, another folded plate defroster slides into the tower body this moment, carry out the defogging to the flue gas, wash the subassembly and wash the folded plate defroster that is located the tower body outward, the scale deposit on the reduction folded plate defroster sets up the condition emergence of jam, make things convenient for operating personnel's operation.
Optionally, the flushing component comprises two flushing boxes and a spraying pipe, wherein the two flushing boxes are distributed along the sliding direction of the folded plate type demister and are respectively arranged on two side walls of the tower body, a sliding through hole for the folded plate type demister to slide into the flushing box is formed in the outer side wall of the tower body, and the spraying pipe is arranged on the inner top wall of the flushing box.
Through adopting above-mentioned technical scheme, during the use, in the driving piece drove the folded plate formula defroster and slides into the flushing tank, the shower in the flushing tank washes the folded plate formula defroster that is located the flushing tank, will fold the adnexed impurity on the plate formula defroster and clear up, reduces the scale deposit on the folded plate formula defroster and even the condition emergence of jam, improves the defogging effect of folded plate formula defroster.
Optionally, the inner side wall of the flushing tank is connected with a blocking door in a sliding manner, the blocking door is used for covering the sliding through hole, and a connecting assembly used for opening or closing the blocking door is arranged in the flushing tank.
Through adopting above-mentioned technical scheme, stop the door and can reduce when the shower is to the folded plate formula defroster in the flushing box, the flue gas gets into the flushing box in, leads to being located the condition emergence that the folded plate formula defroster in the flushing box adheres to impurity once more.
Optionally, the connecting assembly includes a gear set, a driving rack and a driven rack, and the gear set includes a transmission gear; the driving rack is arranged on the driving piece; the transmission gear is rotationally connected to the hole wall of the sliding through hole and meshed with the driving rack; the driven rack is arranged on the stop door and meshed with the transmission gear.
By adopting the technical scheme, when the device is used, the driving part drives the two folded plate type demisters to slide into the flushing tank, and the driving gear drives the stop door to move along the direction close to the sliding through hole through the transmission gear and the driven rack, so that the sliding through hole is stopped, and the situation that smoke enters the flushing tank when being re-flushed is reduced; the realization will realize blockking the door and close the through-hole that will slide when sliding the folded plate formula defroster and changing.
Optionally, two folded plate defroster all rotates to be connected on the driving piece, be provided with in the tower body and be used for driving one of them folded plate defroster and rotate the drive assembly of 180 degrees.
The folded plate formula defroster passes through centrifugal action, changes the flow direction of flue gas for absorbent granule, smoke and dust, desulfurization result in the flue gas are attached to on the folded plate is close to the terminal surface of shower, lead to the cleaning effect of shower to the folded plate formula defroster not good.
Through adopting above-mentioned technical scheme, during the use driving piece drives folded plate formula defroster and slides into the flushing tank in, drive assembly drives folded plate formula defroster afterwards and rotates 180 degrees, has improved the cleaning performance of absorbent granule, smoke and dust, desulfurization product on the folded plate formula defroster of shower.
Optionally, the driving assembly includes two gear columns and a driving rack, the two gear columns are divided into a first gear column and a second gear column, one end of the first gear column is arranged on the first folding plate type demister, and the other end of the first gear column is rotatably connected to the driving piece; one end of the second gear column is rotatably connected to the driving piece, and the other end of the second gear column is arranged on the second folded plate type demister; and a driving rack meshed with the gear column is arranged on the stop door.
By adopting the technical scheme, when the foldable plate type demister is used, the driving piece drives the foldable plate type demister to slide and replace, the foldable plate type demister drives the blocking door to vertically move through the connecting component, and when the blocking door vertically moves downwards, the driving rack on the blocking door is meshed with the gear column to drive the foldable plate type demister to rotate 180 degrees; when the folded plate type demister needs to be replaced, the driving piece drives the folded plate type demister to move, the driving piece drives the stop door to vertically move upwards through the connecting component, the folded plate type demister is reset, and accumulated water remaining in the folded plate type demister is thrown out; realize driving the vertical removal that blocks the door when driving flap formula defroster and remove the change to realize rotating 180 degrees to the flap formula defroster.
Optionally, be provided with the barrier ring on the inside wall of tower body, the barrier ring is located into between tobacco pipe and the folded plate formula defroster, the distance between the barrier ring inside wall reduces along vertical direction of going up gradually.
By adopting the technical scheme, the blocking ring blocks the flue gas at the peripheral side wall of the tower body, so that the flow velocity of the flue gas is improved, and on one hand, the treatment effect of the folded plate type demister on absorbent particles, smoke dust and desulfurization products in the flue gas is improved; on the other hand, the smoke is reduced to pass through the holes between the folded plate type demister and the tower body or enter the cleaning box from the sliding through hole.
Optionally, the upper end face of the blocking ring is used for abutting against the lower end face of the folded plate type demister.
Through adopting above-mentioned technical scheme, during the use, the baffle ring restriction folded plate formula defroster improves the stability of folded plate formula defroster at the tower body internal rotation.
Optionally, a guide chamfer is arranged between the outer side wall of the stop ring and the upper end face of the stop ring.
Through adopting above-mentioned technical scheme, driving rack and pinion post and driving folded plate formula defroster and conflict with the direction chamfer when folded plate formula defroster resets, direction chamfer and driving piece will be folded plate formula defroster direction to slide the pole up end, realize reducing folded plate formula defroster and the dead condition emergence of slide the pole conflict card in the tower body internal rotation at the restriction folded plate formula defroster.
Optionally, the driving member comprises a rodless cylinder and a connecting rod; the rodless cylinder is horizontally arranged on the inner side wall of the tower body, and the length direction of the rodless cylinder is parallel to the sliding direction of the folded plate type demister; the connecting rod sets up in the bench that slides of no pole cylinder, two the gear post is all rotated and is connected on the connecting rod.
Through adopting above-mentioned technical scheme, realize the removal to two folded plate formula defroster during the use, simple structure makes things convenient for operating personnel to the removal of folded plate formula defroster.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the two folded plate type demisters are connected in the tower body, the driving part and the washing component in a sliding manner, so that the folded plate type demisters can be conveniently replaced and cleaned by operators;
2. through the connecting assembly and the blocking door, the driving piece drives the folded plate type demister to move, and meanwhile, the blocking door is opened or closed;
3. through drive assembly and stop the door, realize stopping that the door is opened or is closed and realize that the folded plate defroster rotates 180 degrees, improve the cleaning performance of shower to the folded plate defroster.
Drawings
Fig. 1 is a schematic structural diagram of a specific embodiment of the present application.
Figure 2 is a schematic view of the tower and the flushing assembly of figure 1.
FIG. 3 is a schematic view of the drive assembly, the flap mist eliminator, and the connection assembly of FIG. 1.
Fig. 4 is an exploded view of fig. 3, showing the structure of the barrier door and the driving assembly.
Fig. 5 is an enlarged view at a in fig. 4.
Fig. 6 is a sectional view of B-B of fig. 1 for showing the structure of a stopper ring.
Fig. 7 is an enlarged view at C of fig. 3 for showing the structure of the connecting assembly.
Reference numerals: 1. a tower body; 11. a smoke inlet pipe; 12. a folded plate type demister; 121. a first baffle demister; 122. a second baffle type demister; 13. a first stage spray pipe; 14. a secondary spray pipe; 2. a flushing assembly; 21. a flushing tank; 22. a shower pipe; 23. a slip through hole; 3. a drive member; 31. a rodless cylinder; 32. a connecting rod; 4. a drive assembly; 41. a gear post; 411. a first gear column; 412. a second gear post; 42. a drive rack; 5. a blocking door; 51. a groove is embedded; 52. a blocking ring; 53. guiding and chamfering; 6. a connecting assembly; 61. a gear set; 611. a transmission gear; 612. a reduction gear; 62. a driving rack; 63. a driven rack.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a desulfurizing tower for adding ammonia in a grading manner. Referring to fig. 1 and 2, a desulfurization tower for staged ammonia addition comprises a tower body 1, wherein a smoke inlet pipe 11 communicated with the tower body 1 and a washing assembly 2 for washing a folded plate type demister 12 positioned outside the tower body 1 are fixedly connected to the outer side wall of the tower body 1; the inner side wall of the tower body 1 is connected with two folded plate type demisters 12 in a sliding manner along the horizontal direction, the two folded plate type demisters 12 are divided into a first folded plate type demister 121 and a second folded plate type demister 122, the two folded plate type demisters 12 are positioned above the smoke inlet pipe 11, and a driving part 3 for driving the two folded plate type demisters 12 to move is arranged on the inner side wall of the tower body 1; the tower body 1 is fixedly connected with a first-stage spray pipe 13 and a second-stage spray pipe 14 on the inner side wall, and the first-stage spray pipe 13 and the second-stage spray pipe 14 are both located between the folded plate type demister 12 and the smoke inlet pipe 11.
When in use, the flue gas enters the tower body 1 from the smoke inlet pipe 11, and the primary spray pipe 13 and the secondary spray pipe 14 spray ammonia water to neutralize sulfur dioxide in the flue gas; when needing to be located the first folded plate defroster 121 of tower body 1 and changing the washing, driving piece 3 drives first folded plate defroster 121 and removes along the direction of keeping away from in the tower body 1 for second folded plate defroster 122 gets into to the tower body 1 in, and first folded plate defroster 121 slips out tower body 1, washes subassembly 2 and washes first folded plate defroster 121, makes things convenient for operating personnel to fold plate defroster 12's change and clearance.
With reference to fig. 1 and 2, the flushing assembly 2 comprises two flushing tanks 21 and two showers 22; the two flushing tanks 21 are fixedly connected to the outer side wall of the tower body 1, the two flushing tanks 21 are respectively positioned on two sides of the tower body 1, and the two flushing tanks 21 are distributed along the sliding direction of the folded plate type demister 12; the two spray pipes 22 correspond to the two flushing tanks 21 one by one, and the two spray pipes 22 are fixedly connected to the inner top wall of the flushing tank 21; the outer side wall of the tower body 1 is provided with two sliding through holes 23 for the folded plate type demister 12 to slide into the flushing tank 21.
Referring to fig. 3 and 4, the driving member 3 includes two rodless cylinders 31 and a connecting rod 32, the length direction of the two rodless cylinders 31 is parallel to the sliding direction of the folded plate type demister 12, one end of each rodless cylinder 31 is fixedly connected to the inner side wall of one of the flushing tanks 21, and the other end of each rodless cylinder 31 is fixedly connected to the inner side wall of the other flushing tank 21; one end of the connecting rod 32 is fixedly connected to the sliding table of one rodless cylinder 31, and the other end of the connecting rod 32 is fixedly connected to the sliding table of the other rodless cylinder 31.
Referring to fig. 3 and 4, a driving assembly 4 for driving one of the folded plate type demisters 12 to rotate 180 degrees is arranged in the tower body 1, and the driving assembly 4 comprises two gear columns 41 and two driving racks 42; the first folded plate type demister 121 and the second folded plate type demister 122 are distributed along the horizontal direction, and the two folded plate type demisters 12 are located on two sides of the connecting rod 32 respectively.
Referring to fig. 4 and 5, the two gear columns 41 are divided into a first gear column 411 and a second gear column 412, one end of the first gear column 411 is fixedly connected to the side wall of the first folding plate type demister 121 close to the connecting rod 32, the first gear column 411 is rotatably connected to the side wall of the connecting rod 32 close to the first folding plate type demister 121, and the rotational connection between the first gear column 411 and the connecting rod 32 has damping; one end of the second gear column 412 is fixedly connected to the side wall of the second folded plate type demister 122 close to the connecting rod 32, the other end of the second gear column 412 is rotatably connected to the side wall of the connecting rod 32 close to the second folded plate type demister 122, and the rotational connection position of the second gear column 412 and the connecting rod 32 has damping.
Referring to fig. 1 and 4, a stop gate 5 is connected to the inner side wall of the flushing tank 21 in a vertically sliding manner, and a connecting assembly 6 for driving the stop gate 5 to vertically move is arranged between the stop gate 5 and the flushing tank 21.
Referring to fig. 4 and 5, an embedded groove 51 for the gear column 41 to slide and penetrate is formed in the lower end face of the stop gate 5, the two driving racks 42 correspond to the two stop gates 5 one by one, the driving racks 42 are vertically and fixedly connected to the groove side walls of the embedded groove 51, and the driving racks 42 are engaged with the gear column 41.
When the double-plate demister is used, the first plate-type demister 121 moves along the direction far away from the interior of the tower body 1, the connecting assembly 6 drives the blocking door 5 to vertically move downwards, the first plate-type demister 121 enters the flushing tank 21, the first gear column 411 penetrates through the embedded groove 51 in the blocking door 5 and is meshed with the driving rack 42, the driving rack 42 drives the first plate-type demister 121 to rotate 180 degrees, then the spraying pipe 22 washes the first plate-type demister 121 which rotates 180 degrees, and the cleaning effect of the double-plate demister 12 is further improved; the realization realizes that the folded plate defroster 12 rotates 180 degrees when reducing the flue gas and entering into the flushing tank 21, improves the clearance effect to the folded plate defroster 12.
Referring to fig. 1 and 6, a horizontally arranged blocking ring 52 is fixedly connected to the inner side wall of the tower body 1, the blocking ring 52 is located right below the folded plate type demister 12, the upper end surface of the blocking ring 52 is abutted against the lower end surface of the folded plate type demister 12, and the distance between two opposite inner side walls of the blocking ring 52 is gradually reduced along the vertical upward direction; a guide chamfer 53 is arranged between the outer side wall of the stop ring 52 and the upper end face of the stop ring 52.
When the second folded plate type demister 122 moves in the direction close to the interior of the tower body 1, the guide chamfer 53 is abutted against the second folded plate type demister 122, the guide chamfer 53 guides the second folded plate type demister 122 to be in a horizontal state, and then the upper end surface of the blocking ring 52 is abutted against the lower end surface of the second folded plate type demister 122; the occurrence of the blocking of the second folded plate type demister 122 is reduced, the occurrence of the rotation of the second folded plate type demister 122 during use is reduced, and the overall stability of the equipment is improved; when the flue gas of the second folded plate type demister 122 in the tower body 1 is demisted, the distance between two opposite inner side walls of the stop ring 52 is gradually reduced along the vertical upward direction so that the flow rate of the flue gas is accelerated, so that when the second folded plate type demister 122 has a better impurity removal and demisting effect on the flue gas, the situation that the flue gas is leaked from the second folded plate type demister 122 and the inner side wall of the tower body 1 is reduced.
Referring to fig. 3 and 7, the connecting assembly 6 includes a gear set 61, a driving rack 62 and a driven rack 63, the gear set 61 includes a driving gear 611 and a reduction gear 612, and a pitch circle radius of the reduction gear 612 is smaller than that of the driving gear 611; the length direction of the driving rack 62 is parallel to the length direction of the rodless cylinder 31, and the driving rack 62 is fixedly connected to the sliding table of the rodless cylinder 31; the transmission gear 611 and the reduction gear 612 are coaxially and fixedly connected, the transmission gear 611 is rotatably connected to the inner side wall of the flushing tank 21, the transmission gear 611 is located at one side of the rodless cylinder 31, and the transmission gear 611 is meshed with the driving rack 62; the driven rack 63 is vertically arranged, the driven rack 63 is fixedly connected to one end face, away from the tower body 1, of the stop door 5, and the driven rack 63 is meshed with the reduction gear 612.
When the device is used, the rodless cylinder 31 drives the first folded plate type demister 121 to slide out of the tower body 1 and drives the second folded plate type demister 122 to slide into the tower body 1, in the moving process of the rodless cylinder 31, the driving rack 62, the transmission gear 611, the reduction gear 612 and the driven rack 63 drive the stop door 5 to vertically move upwards, so that the second folded plate type demister 122 slides out of the flushing tank 21, the driving rack 42 on the stop door 5 drives the second folded plate type demister 122 to rotate 180 degrees and then reset, and accumulated water on the second folded plate type is thrown out; the rodless cylinder 31 drives the other blocking door 5 to vertically move downwards, the driving rack 42 on the other blocking door 5 drives the first folding type demister 121 to rotate 180 degrees after the first folding type demister 121 completely enters the flushing tank 21, and the cleaning effect of the spray pipe 22 on the first folding type demister 121 is improved.
The implementation principle of the desulfurization tower for adding ammonia in a grading manner in the embodiment of the application is as follows: when the first folding plate type demister 121 needs to be replaced and cleaned, the rodless cylinder 31 drives the two folding plate type demisters 12 to be replaced mutually, and the rodless cylinder 31 drives one blocking door 5 to vertically move downwards and drives the other blocking door 5 to vertically move upwards through the connecting component 6; the first folding plate type demister 121 is driven to rotate 180 degrees through the gear column 41 and the driving rack 42 on the blocking door 5, the cleaning effect on the first folding plate type demister 121 is improved, and the second folding plate type demister 122 is driven to rotate 180 degrees to reset and spin-dry.
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 (10)

1. The utility model provides a desulfurizing tower of hierarchical ammoniation which characterized in that: including tower body (1), be provided with on tower body (1) and be used for advancing tobacco pipe (11) that are linked together with tower body (1), it is connected with two folded plate defroster (12), two to slide along the horizontal direction in tower body (1) folded plate defroster (12) divide into first folded plate defroster (121) and second folded plate defroster (122), two folded plate defroster (12) distribute along folded plate defroster (12) direction of sliding, first folded plate defroster (121) set up on second folded plate defroster (122), be provided with on tower body (1) and be used for carrying out washing subassembly (2) that wash to the folded plate defroster (12) that is located outside tower body (1), be provided with driving piece (3) that are used for driving folded plate defroster (12) and remove on tower body (1).
2. The desulfurization tower for fractional addition of ammonia according to claim 1, characterized in that: wash subassembly (2) including two flushing tanks (21) and shower (22), two flushing tank (21) are along folded plate defroster (12) direction of sliding distribution and set up respectively on the both sides wall of tower body (1), two set up on tower body (1) lateral wall and supply folded plate defroster (12) to slide through-hole (23) that slide in flushing tank (21), shower (22) set up on the interior roof of flushing tank (21).
3. The desulfurization tower for fractional addition of ammonia according to claim 2, wherein: the flushing tank is characterized in that a blocking door (5) is connected to the inner side wall of the flushing tank (21) in a sliding mode, the blocking door (5) is used for covering a sliding through hole (23), and a connecting assembly (6) used for opening or closing the blocking door (5) is arranged on the inner side of the flushing tank (21).
4. The desulfurization tower for fractional addition of ammonia according to claim 3, wherein: the connecting assembly (6) comprises a gear set (61), a driving rack (62) and a driven rack (63), and the gear set (61) comprises a transmission gear (611); the driving rack (62) is arranged on the driving piece (3); the transmission gear (611) is rotatably connected to the hole wall of the sliding through hole (23), and the transmission gear (611) is meshed with the driving rack (62); the driven rack (63) is arranged on the stop door (5), and the driven rack (63) is meshed with the transmission gear (611).
5. The desulfurization tower for fractional addition of ammonia according to claim 3, wherein: two folded plate defroster (12) all rotate to be connected on driving piece (3), be provided with in tower body (1) and be used for driving one of them folded plate defroster (12) and rotate drive assembly (4) of 180 degrees.
6. The desulfurization tower for fractional addition of ammonia according to claim 5, wherein: the driving assembly (4) comprises two gear columns (41) and a driving rack (42), the two gear columns (41) are divided into a first gear column (411) and a second gear column (412), one end of the first gear column (411) is arranged on the first folding plate type demister (121), and the other end of the first gear column (411) is rotatably connected to the driving part (3); one end of the second gear column (412) is rotatably connected to the driving part (3), and the other end of the second gear column (412) is arranged on the second folded plate type demister (122); and a driving rack (42) meshed with the gear column (41) is arranged on the stop gate (5).
7. The desulfurization tower for fractional addition of ammonia according to claim 3, wherein: be provided with barrier ring (52) on the inside wall of tower body (1), barrier ring (52) are located into between tobacco pipe (11) and folded plate formula defroster (12), the distance between barrier ring (52) inside wall reduces gradually along vertical upward direction.
8. The desulfurization tower for fractional addition of ammonia according to claim 7, wherein: the upper end face of the blocking ring (52) is used for abutting against the lower end face of the folded plate type demister (12).
9. The desulfurization tower for fractional addition of ammonia according to claim 8, wherein: a guide chamfer (53) is arranged between the outer side wall of the stop ring (52) and the upper end face of the stop ring (52).
10. The desulfurization tower for staged ammonia addition according to claim 6, wherein: the driving piece (3) comprises a rodless cylinder (31) and a connecting rod (32); the rodless cylinder (31) is horizontally arranged on the inner side wall of the tower body (1), and the length direction of the rodless cylinder (31) is parallel to the sliding direction of the folded plate type demister (12); the connecting rod (32) is arranged on a sliding table of the rodless cylinder (31), and the two gear columns (41) are rotationally connected to the connecting rod (32).
CN202110852532.8A 2021-07-27 2021-07-27 Desulfurizing tower for graded ammonia addition Pending CN113617207A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140072483A1 (en) * 2012-09-10 2014-03-13 Mitsubishi Heavy Industries, Ltd. Desulfurization device and particulate collection system
CN207342479U (en) * 2017-07-17 2018-05-11 赵萍 The ultra-clean processing unit of sulfur dioxide
CN208493539U (en) * 2018-05-23 2019-02-15 山东名邦环保科技有限公司 A kind of high efficiency desulphurization denitration demister
CN208878263U (en) * 2018-08-23 2019-05-21 广东菲叶达环保科技有限公司 A kind of wet process of FGD spray absorber
CN210993597U (en) * 2019-10-15 2020-07-14 广州三恩环保科技有限公司 Waste gas recovery processing device
CN212915129U (en) * 2020-05-25 2021-04-09 枣庄市通祥机械有限公司 Energy-saving flue gas desulfurization tower

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140072483A1 (en) * 2012-09-10 2014-03-13 Mitsubishi Heavy Industries, Ltd. Desulfurization device and particulate collection system
CN207342479U (en) * 2017-07-17 2018-05-11 赵萍 The ultra-clean processing unit of sulfur dioxide
CN208493539U (en) * 2018-05-23 2019-02-15 山东名邦环保科技有限公司 A kind of high efficiency desulphurization denitration demister
CN208878263U (en) * 2018-08-23 2019-05-21 广东菲叶达环保科技有限公司 A kind of wet process of FGD spray absorber
CN210993597U (en) * 2019-10-15 2020-07-14 广州三恩环保科技有限公司 Waste gas recovery processing device
CN212915129U (en) * 2020-05-25 2021-04-09 枣庄市通祥机械有限公司 Energy-saving flue gas desulfurization tower

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