CN112957904A - Water curtain type dust removal, desulfurization and denitrification device for flue gas of coal-fired boiler - Google Patents
Water curtain type dust removal, desulfurization and denitrification device for flue gas of coal-fired boiler Download PDFInfo
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- CN112957904A CN112957904A CN202110283864.9A CN202110283864A CN112957904A CN 112957904 A CN112957904 A CN 112957904A CN 202110283864 A CN202110283864 A CN 202110283864A CN 112957904 A CN112957904 A CN 112957904A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003546 flue gas Substances 0.000 title claims abstract description 53
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 28
- 230000023556 desulfurization Effects 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 title claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 15
- 239000007921 spray Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
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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
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/08—Spray cleaning with rotary nozzles
-
- 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
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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Abstract
The invention provides a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler, belonging to the technical field of treatment of the coal-fired boiler and comprising a chimney A; a servo motor is installed on one side of the chimney A, a circular sleeve is arranged on each of the chimney A and the chimney B, and a connecting flange is arranged on one side of each circular sleeve; two supporting seats are symmetrically arranged on the base, and a U-shaped groove is formed above each supporting seat; a rotary water pipe is arranged on the inner side of the chimney A. Be provided with engaged with gear on servo motor and rotatory water pipe, servo motor can drive rotatory water pipe when rotating and rotate, thereby make rotatory water pipe rotate at the rotation in-process and spray the cascade, and then make chimney A's flue gas dust removal and SOx/NOx control effect better, be provided with two sets of opposite direction's delivery port on the ring type water pipe, the ring type water pipe sprays two sets of opposite direction's cascade, thereby make the flue gas carry out the secondary and remove dust, make the pollution to the air of reduction after the flue gas emission.
Description
Technical Field
The invention belongs to the technical field of coal-fired boiler treatment, and particularly relates to a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler.
Background
Coal fired boiler is the coal of fuel burning, and the coal heat is through the conversion back, produces steam or becomes hot water, but not all heat all effective conversions, has partly reactive power consumption, just so has the efficiency problem, and generally more boiler efficiency is higher, between 60% ~ 80%, can produce a large amount of flue gas when coal fired boiler burns coal, has a large amount of dust, pollution particles such as sulphur and nitre in the flue gas, and the flue gas direct discharge can the polluted environment in the air, needs to use a coal fired boiler flue gas water curtain formula dust removal SOx/NOx control device to handle the flue gas.
For example, application No.: the patent of chinese invention of cn201710234117.x discloses a device for simultaneously desulfurizing and denitrating boiler flue gas, which comprises one or more desulfurization and denitration towers connected in series and an external hydrogen peroxide storage tank, wherein a desulfurization and denitration module consisting of a spray pipe, an ultraviolet lamp, a regular nano photocatalyst plate and a sieve plate is sequentially arranged in the tower body from top to bottom; the spray pipe is connected to the hydrogen peroxide storage tank through a hydrogen peroxide circulating pump; a flue gas inlet is formed in the side face of the bottom of the tower body, and a liquid seal tank is vertically arranged at the bottom end of the tower body; boiler flue gas enters the tower body from a flue gas inlet, SO3 and NO2 are oxidized and absorbed into sulfuric acid and nitric acid respectively under the action of the desulfurization and denitrification module and hydrogen peroxide, then the sulfuric acid and the nitric acid are removed, liquid after photocatalytic hydrogen peroxide oxidation reaction passes through a sieve plate, enters a liquid seal tank and finally converges into a storage tank, and the treated clean flue gas is discharged through a flue gas outlet at the top end of the tower body. The invention can completely oxidize SO2 and NO in the coal-fired boiler into SO3 and NO2, and the desulfurization rate and the denitration rate can respectively reach more than 99 percent and 90 percent.
Based on the search for patent numbers, the defects in the prior art are combined to find that:
current SOx/NOx control device is when using, the water in the water tank can become more and more dirty, need clear up after filtering a period, need the quality that the staff often checked water, the labour has been increased, SOx/NOx control device is when spraying the cascade, rivers endless effect is relatively poor, the water resource has been wasted to a certain extent, it is more single at SOx/NOx control device cascade's the state of spraying, SOx/NOx control device's cascade sprays in one department mostly, thereby the dust removal SOx/NOx control of boiler flue gas has been reduced, need further to handle the flue gas.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler, and aims to solve the problems that when the existing desulfurization and denitrification device is used, water in a water tank becomes more and more dirty, the water needs to be cleaned after being filtered for a period of time, workers need to frequently check the quality of the water, labor force is increased, when the desulfurization and denitrification device sprays a water curtain, the water circulation effect is poor, water resources are wasted to a certain extent, the spraying state of the water curtain of the desulfurization and denitrification device is single, and most of the water curtains of the desulfurization and denitrification device are sprayed at one position, so that the dust removal, desulfurization and denitrification of the flue gas of the boiler are reduced, and the flue gas needs to be further treated.
The invention is used for the purpose and the efficacy of a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler, and is achieved by the following specific technical means:
a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler comprises a chimney A; a servo motor is installed on one side of the chimney A, a circular sleeve is arranged on each of the chimney A and the chimney B, and a connecting flange is arranged on one side of each circular sleeve; two supporting seats are symmetrically arranged on the base, and a U-shaped groove is formed above each supporting seat; a rotary water pipe is arranged on the inner side of the chimney A and is inserted in the chimney A; a rectangular mounting plate is arranged on the base, and a water pump is fixed on the mounting plate through a bolt; a water tank is arranged above the base, two filter screens are arranged on the inner side of the water tank, and an extrusion rod is arranged on the water tank; a spiral flow guide seat is arranged on the inner side of the chimney B, and an annular water pipe is arranged on the chimney B; a circular hole has all been seted up to the bottom of chimney A and chimney B, and installs a backflow pipeline on the circular hole.
Furthermore, the inner side of the chimney A is symmetrically provided with two grooves with conical structures, and the other end of the backflow pipeline is connected with the water tank.
Furthermore, be equipped with an axis of rotation on the servo motor, and the axis of rotation alternates on chimney A, and a gear is installed to one side of axis of rotation, installs a gear on the rotatory water pipe, and the epaxial gear of axis of rotation and the gear on the rotatory water pipe mesh mutually, set up a set of circular port that is the annular array form and distributes on the rotatory water pipe, and a supporting seat that supports rotatory water pipe is installed to chimney A's inboard, and the other end of rotatory water pipe rotates to be connected on the outlet conduit of water pump.
Furthermore, the water tank is provided with a water outlet pipe and a water inlet pipe, the water outlet pipe and the water inlet pipe are both provided with a telescopic hose, and the hose is symmetrically provided with two flange plates.
Further, the base includes the gag lever post, and two sets of circular shape gag lever posts are installed to the symmetry on the base, and the bottom of water tank is equipped with a rectangular block, and two circular ports have been seted up to the symmetry on the rectangular block, and the circular port is adjusted well with the gag lever post mutually, and gag lever post sliding connection installs a reset spring on the gag lever post of echelonment on the circular port of rectangular block, and reset spring installs the bottom at the rectangular block.
Furthermore, the extrusion stem is installed in the bottom of water tank, and the extrusion stem is stair structure, and two circular shape blowoff holes have been seted up to the bottom symmetry of water tank, installs sealed lid on the blowoff hole, installs an alarm that is adjusted well mutually with the extrusion stem on the base, installs a touch switch on the alarm.
Further, the middle position of spiral water conservancy diversion seat is equipped with a circular bracing piece, and a set of circular port has all been seted up to ring type water pipe's the outside and inboard, and ring type water pipe's bottom is equipped with an inlet channel, and the bottom of inlet channel is equipped with a flange, has seted up a circular port that aligns mutually on chimney A and the chimney B, and installs a connecting tube between two circular ports.
Furthermore, a step-shaped water outlet pipeline is installed on the water pump, the water outlet pipeline is respectively connected with the rotary water pipe and the ring-type water pipe, a water suction pipeline is installed on the water pump, and the water suction pipeline is fixedly connected with the water tank through a connecting flange.
Compared with the prior art, the invention has the following beneficial effects:
the invention improves the dust removal, desulfurization and denitrification structure of flue gas, gears which are meshed with each other are arranged on a servo motor and a rotary water pipe, the servo motor can drive the rotary water pipe to rotate when rotating, so that the rotary water pipe can rotate to spray a water curtain in the rotating process, the dust removal, desulfurization and denitrification effects of the flue gas of a chimney A are better, a spiral guide seat is arranged on the chimney B, the spiral guide seat enables the flue gas to spirally move in the chimney B, the flue gas is fully cooled, the spiral guide seat also has the flue gas buffering effect, two groups of water outlets in opposite directions are arranged on a ring-type water pipe, the ring-type water pipe sprays two groups of water curtains in opposite directions, the flue gas is secondarily dedusted, the pollution to air is reduced after the flue gas is discharged, return pipes are arranged on the chimney A and the chimney B, and are connected with a water tank through a telescopic hose, the return line carries the sewage in chimney A and the chimney B to the water tank, and sewage filters through the filter screen, and the rivers after the filtration pass through the water pump again carry on rotatory water pipe and ring type water pipe to the effect that rivers circulation flow in the water tank has been realized.
The utility model provides a sewage treatment structure has been improved, be provided with the recess of circular cone structure on chimney A, the recess of circular cone structure makes rivers better flow to backflow pipeline department, backflow pipeline's setting has played the effect of flowing sewage to water tank department, be provided with telescopic hose on the flow pipeline, telescopic hose makes things convenient for reciprocating of water tank, be provided with two filter screens on the water tank, the filter screen filters the sewage in chimney A and the chimney B respectively, set up the pinch bar on the water tank, be provided with the alarm on the base, when rubbish in the water tank is too much, the water tank can move down, thereby make the touch switch on the pinch bar extrusion alarm, make the pressure alarm begin to report to the police, remind the staff to change the sewage in the water tank.
Drawings
Fig. 1 is a schematic axial side structure of the main body of the present invention.
Fig. 2 is a rear view of the axle side structure of fig. 1 according to the present invention.
Fig. 3 is a schematic side structure view of a chimney A, a water tank and a chimney B of the invention in a half-section mode.
FIG. 4 is a schematic side view of the base and limiting rod of FIG. 1 with the axle removed according to the present invention.
Fig. 5 is a rear view of the axle side structure of fig. 4 in accordance with the present invention.
Fig. 6 is a schematic view of a base of the present invention in a partially sectioned axial side configuration.
FIG. 7 is an enlarged schematic axial view taken at A of FIG. 3 in accordance with the present invention.
FIG. 8 is an enlarged schematic axial view at B of FIG. 6 according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a chimney A; 2. a servo motor; 3. rotating the water pipe; 4. a water pump; 5. a water tank; 6. a filter screen; 7. a ring-type water pipe; 8. a spiral flow guide seat; 9. a chimney B; 10. an extrusion stem; 11. a base; 1101. a limiting rod; 12. and (4) a return pipeline.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a water curtain type dust removal, desulfurization and denitrification device for flue gas of a coal-fired boiler, which comprises a chimney A1; a servo motor 2 is installed on one side of the chimney A1, a circular sleeve is arranged on each of the chimney A1 and the chimney B9, and a connecting flange is arranged on one side of each circular sleeve; two supporting seats are symmetrically arranged on the base 11, and a U-shaped groove is formed above each supporting seat; a rotary water pipe 3 is arranged on the inner side of the chimney A1, and the rotary water pipe 3 is inserted on the chimney A1; a rectangular mounting plate is arranged on the base 11, and a water pump 4 is fixed on the mounting plate through bolts; a water tank 5 is arranged above the base 11, two filter screens 6 are arranged on the inner side of the water tank 5, and an extrusion rod 10 is arranged on the water tank 5; the inner side of the chimney B9 is provided with a spiral diversion seat 8, and the chimney B9 is provided with an annular water pipe 7; the bottoms of the chimney A1 and the chimney B9 are both provided with a circular hole, and a return pipe 12 is arranged on the circular holes; the inboard symmetry of chimney A1 is equipped with the recess of two circular cone structures, and the other end of backflow pipeline 12 is connected with water tank 5, and during the use, the recess of circular cone structure makes better the flowing to backflow pipeline 12 department of rivers, and backflow pipeline 12 has played the effect that flows sewage to water tank 5 department.
Wherein, be equipped with an axis of rotation on servo motor 2, and the axis of rotation is alternates on chimney A1, a gear is installed to one side of axis of rotation, install a gear on the rotatory water pipe 3, the epaxial gear of rotation meshes with the gear on the rotatory water pipe 3 mutually, set up a set of circular port that is the annular array form and distributes on the rotatory water pipe 3, a supporting seat that supports rotatory water pipe 3 is installed to chimney A1's inboard, the other end of rotatory water pipe 3 rotates and connects on the outlet conduit of water pump 4, during the use, servo motor 2 can drive rotatory water pipe 3 and rotate when rotating, thereby make rotatory water pipe 3 rotate the in-process and carry out rotatory spraying water curtain, and then make chimney A1's flue gas dust removal and SOx/NOx control effect better.
Wherein, be equipped with an outlet pipe and inlet tube on the water tank 5, and all install a telescopic hose on outlet pipe and the inlet tube, the symmetry is equipped with two ring flanges on the hose, and during the use, telescopic hose makes things convenient for reciprocating of water tank 5.
Wherein, base 11 is including gag lever post 1101, two sets of circular shape gag lever posts 1101 are installed to the symmetry on base 11, the bottom of water tank 5 is equipped with a rectangular block, and two circular ports have been seted up to the symmetry on the rectangular block, the circular port is relative well with gag lever post 1101, gag lever post 1101 sliding connection is on the circular port of rectangular block, install a reset spring on the gag lever post 1101 of echelonment, reset spring installs in the bottom of rectangular block, during the use, gag lever post 1101 has played about the water tank 5 spacing effect, thereby the effect of 5 displacements of water tank has been reduced, reset spring on the gag lever post 1101 has played the effect that water tank 5 supported, reset spring makes things convenient for water tank 5 after the heaviness rebound to move down.
Wherein, the bottom at water tank 5 is installed to stripper bar 10, and stripper bar 10 is stair structure, two circular shape blowoff holes have been seted up to the bottom symmetry of water tank 5, install sealed lid on the blowoff hole, install an alarm relative well with stripper bar 10 on the base 11, install a touch switch on the alarm, in the use, when rubbish in water tank 5 is too much, water tank 5 can move down, thereby make stripper bar 10 extrude the touch switch on the alarm, make the pressure alarm begin to report to the police, remind the staff to change the sewage in the water tank 5.
Wherein, spiral water conservancy diversion seat 8's intermediate position is equipped with a circular bracing piece, a set of circular port has all been seted up to ring water pipe 7's the outside and inboard, ring water pipe 7's bottom is equipped with an inlet channel, inlet channel's bottom is equipped with a flange, set up a circular port that aligns mutually on chimney A1 and chimney B9, and install a connecting tube between two circular ports, in use, spiral water conservancy diversion seat 8 makes the flue gas be the heliciform removal in chimney B9, thereby make the flue gas fully cool down, spiral water conservancy diversion seat 8 has still played the effect of flue gas buffering, ring water pipe 7 sprays two sets of opposite direction's cascade, thereby make the flue gas carry out secondary dust removal, make reduce the pollution to the air after the flue gas emission.
Wherein, install the outlet conduit of a echelonment on the water pump 4, and outlet conduit is connected with rotatory water pipe 3 and ring type water pipe 7 respectively, install a pipeline that absorbs water on the water pump 4, the pipeline that absorbs water passes through flange fixed connection with water tank 5, during the use, return line 12 of chimney A1 and chimney B9 carries sewage to water tank 5, sewage filters through filter screen 6, rotatory water pipe 3 and ring type water pipe 7 are carried again to rivers after the filtration through water pump 4 on, thereby the effect that rivers circulation flow in the water tank 5 has been realized.
The specific use mode and function of the embodiment are as follows:
when in use, firstly the water tank 5 is arranged on the limiting rod 1101 of the base 11, then the chimney A1 and the chimney B9 are arranged on the supporting seat of the base 11, then the hoses of the chimney A1 and the chimney B9 are connected with the water tank 5, purified water is added into the water tank 5, the water pump 4 is controlled to pump water, the servo motor 2 is controlled to rotate, water in the water tank 5 is respectively conveyed to the rotary water pipe 3 and the ring-type water pipe 7 by the water pump 4, the rotary water pipe 3 is driven to rotate when the servo motor 2 rotates, so that the rotary water pipe 3 rotates to spray a water curtain in a rotating process, the dedusting and desulfurization and denitrification effects of the flue gas of the chimney A1 are better, the spiral diversion seat 8 enables the flue gas to spirally move in the chimney B9, the flue gas is fully cooled, the ring-type water pipe 7 sprays two water curtains in opposite directions, the flue gas is subjected to secondary dedusting, and the pollution to the air is reduced after the flue gas is discharged, during sewage in chimney A1 and the water pump 4 flows back to water tank 5 through backflow pipeline 12, sewage filters through filter screen 6, rivers after the filtration pass through water pump 4 and carry on rotatory water pipe 3 and ring type water pipe 7 again, thereby the effect that rivers circulation flows in water tank 5 has been realized, rubbish in water tank 5 is too much, water tank 5 can move down, thereby make the touch switch on the extrusion pole 10 extrusion alarm, make the pressure alarm begin to report to the police, remind the staff to change the sewage in the water tank 5.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a coal fired boiler flue gas water curtain formula dust removal SOx/NOx control device which characterized in that: comprises a chimney A (1) and a base (11); a servo motor (2) is installed on one side of the chimney A (1), a circular sleeve is arranged on each of the chimney A (1) and the chimney B (9), and a connecting flange is arranged on one side of each circular sleeve; two supporting seats are symmetrically arranged on the base (11), and a U-shaped groove is formed above each supporting seat; a rotary water pipe (3) is arranged on the inner side of the chimney A (1), and the rotary water pipe (3) is inserted in the chimney A (1); a rectangular mounting plate is arranged on the base (11), and a water pump (4) is fixed on the mounting plate through a bolt; a water tank (5) is arranged above the base (11), two filter screens (6) are arranged on the inner side of the water tank (5), and an extrusion rod (10) is arranged on the water tank (5); a spiral flow guide seat (8) is arranged on the inner side of the chimney B (9), and a ring-shaped water pipe (7) is installed on the chimney B (9); a circular hole is formed in the bottom of each of the chimney A (1) and the chimney B (9), and a backflow pipeline (12) is installed on the circular hole.
2. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: the inner side of the chimney A (1) is symmetrically provided with two grooves with conical structures, and the other end of the backflow pipeline (12) is connected with the water tank (5).
3. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: be equipped with an axis of rotation on servo motor (2), and the axis of rotation alternates on chimney A (1), a gear is installed to one side of axis of rotation, install a gear on rotatory water pipe (3), the epaxial gear of rotation meshes with the gear on rotatory water pipe (3) mutually, set up a set of circular port that is the annular array form and distributes on rotatory water pipe (3), the supporting seat of a support rotatory water pipe (3) is installed to the inboard of chimney A (1), the other end rotation of rotatory water pipe (3) is connected on the outlet conduit of water pump (4).
4. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: and the water tank (5) is provided with a water outlet pipe and a water inlet pipe, the water outlet pipe and the water inlet pipe are both provided with a telescopic hose, and the hose is symmetrically provided with two flange plates.
5. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: base (11) are including gag lever post (1101), and two sets of circular shape gag lever posts (1101) are installed to the symmetry on base (11), and the bottom of water tank (5) is equipped with a rectangular block, and two circular ports have been seted up to the symmetry on the rectangular block, and the circular port is relative well with gag lever post (1101), and gag lever post (1101) sliding connection is on the circular port of rectangular block, installs a reset spring on stepped shape gag lever post (1101), and reset spring installs the bottom at the rectangular block.
6. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: the bottom at water tank (5) is installed in stripper bar (10), and stripper bar (10) are stair structure, and two circular shape blowoff holes have been seted up to the bottom symmetry of water tank (5), install sealed lid on the blowoff hole, install an alarm of adjusting well mutually with stripper bar (10) on base (11), install a touch switch on the alarm.
7. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: the middle position of spiral water conservancy diversion seat (8) is equipped with a circular bracing piece, and a set of circular port has all been seted up to the outside and the inboard of ring type water pipe (7), and the bottom of ring type water pipe (7) is equipped with an inlet channel, and the bottom of inlet channel is equipped with a flange, has seted up a circular port that aligns mutually on chimney A (1) and chimney B (9), and installs a connecting tube between two circular ports.
8. The coal-fired boiler flue gas water curtain type dust removal desulfurization and denitrification device of claim 1, characterized in that: a stepped water outlet pipeline is installed on the water pump (4), the water outlet pipeline is respectively connected with the rotary water pipe (3) and the ring-type water pipe (7), a water suction pipeline is installed on the water pump (4), and the water suction pipeline is fixedly connected with the water tank (5) through a connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283864.9A CN112957904A (en) | 2021-03-17 | 2021-03-17 | Water curtain type dust removal, desulfurization and denitrification device for flue gas of coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283864.9A CN112957904A (en) | 2021-03-17 | 2021-03-17 | Water curtain type dust removal, desulfurization and denitrification device for flue gas of coal-fired boiler |
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| Publication Number | Publication Date |
|---|---|
| CN112957904A true CN112957904A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283864.9A Withdrawn CN112957904A (en) | 2021-03-17 | 2021-03-17 | Water curtain type dust removal, desulfurization and denitrification device for flue gas of coal-fired boiler |
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| Country | Link |
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| CN (1) | CN112957904A (en) |
Cited By (1)
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