CN117427451B - Kiln flue gas purification treatment device - Google Patents
Kiln flue gas purification treatment device Download PDFInfo
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- CN117427451B CN117427451B CN202311765121.0A CN202311765121A CN117427451B CN 117427451 B CN117427451 B CN 117427451B CN 202311765121 A CN202311765121 A CN 202311765121A CN 117427451 B CN117427451 B CN 117427451B
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- flue gas
- sealing plate
- conveying channel
- half gear
- hinge
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000003546 flue gas Substances 0.000 title claims abstract description 91
- 238000000746 purification Methods 0.000 title abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 31
- 230000023556 desulfurization Effects 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 26
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 18
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 85
- 239000007788 liquid Substances 0.000 claims description 59
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 24
- 238000010009 beating Methods 0.000 claims description 14
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 10
- 238000001802 infusion Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to the technology in the field of flue gas separation treatment of kilns, and discloses a kiln flue gas purification treatment device, which comprises a primary desulfurization tower, a secondary desulfurization tower and a wet dust collector, wherein a conversion mechanism is arranged between the primary desulfurization tower and the secondary desulfurization tower; a smoke detection system; a filtering mechanism. The invention can set up the detection system of the flue gas in the exit of the first-class desulfurizing tower, detect whether the content of sulfide in its flue gas exhausted accords with the standard in real time, if accord with the standard, carry to the wet dust collector directly, needn't process through the second-class desulfurizing tower, can both avoid wasting the apparatus resource, can reduce the burden of the apparatus, and the opening and closing movements of conveying channel two and conveying channel three are carried on alternately, can avoid the flue gas in two conveying channels to mix up in this way, namely avoid the flue gas of conveying channel two to mix into conveying channel three, or the flue gas in conveying channel three mix into conveying channel two, in order to guarantee that the flue gas exhausted accords with the standard.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a kiln flue gas purifying treatment device.
Background
The raw materials used for ceramics and other silicate products are mostly natural minerals or rocks, most of which are silicate minerals. The raw materials are various, the resource is abundant, and the raw materials are widely distributed in the crust, which provides favorable conditions for the development of the ceramic industry. The preparation process of the ceramic mainly comprises the following steps: selecting materials, preprocessing, sieving, mixing materials, hot-press forming, cleaning, sintering, cooling and surface finishing. During the sintering process, a large amount of flue gas is generated, and the flue gas can be discharged into the atmosphere after being purified.
The flue gas purification treatment process mainly comprises denitration, dry dust removal, desulfurization and wet dust removal. In the desulfurization process, in order to ensure the desulfurization effect, two desulfurization towers connected together are generally arranged, and the flue gas is sequentially introduced into the two desulfurization towers for treatment. The ratio of the added raw materials is different when different ceramic products are manufactured, so that the sulfur content in the flue gas generated when different products are fired is different, or the sulfur content in the flue gas generated during the early, middle and later stages of firing the same ceramic product is also different, and the sulfur concentration in the flue gas of part of the flue gas reaches the standard after the flue gas is treated by the first-stage desulfurizing tower, and if the part of the flue gas enters the second-stage desulfurizing tower again for treatment, the equipment resources are wasted and the equipment burden is increased.
Disclosure of Invention
The invention aims to provide a kiln flue gas purifying treatment device which is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the kiln flue gas purifying treatment device comprises a primary desulfurization tower, a secondary desulfurization tower and a wet dust collector, wherein a conversion mechanism is arranged between the primary desulfurization tower and the secondary desulfurization tower and is used for conveying flue gas discharged from the primary desulfurization tower into the secondary desulfurization tower or into the wet dust collector;
the flue gas detection system is used for detecting the content of sulfide in the flue gas output by the primary desulfurization tower and controlling the direction of the conversion mechanism for conveying the flue gas according to the detected content result of sulfide in the flue gas;
and a filter mechanism for filtering the flue gas conveyed into the wet dust collector through the conversion mechanism.
Further, the conversion mechanism comprises a first conveying channel, a second conveying channel and a third conveying channel, the first conveying channel is communicated with the first-stage desulfurizing tower, the second conveying channel is communicated with the second-stage desulfurizing tower, the third conveying channel is communicated with the wet dust collector, one end of the first conveying channel, one end of the second conveying channel and one end of the third conveying channel are all extended into the conversion cavity, a first sealing plate and a second sealing plate are arranged in the conversion cavity, the first sealing plate is used for controlling the second conveying channel to be opened or closed, the second sealing plate is used for controlling the third conveying channel to be opened or closed, and the first sealing plate and the second sealing plate are driven by the conversion assembly.
Further, the conversion assembly comprises a first hinge part, a second hinge part and a first rotating shaft, the first sealing plate is hinged with the inner wall of the conversion cavity through the first hinge part, the second sealing plate is hinged with the inner wall of the conversion cavity through the second hinge part, a first conical half gear is arranged at one end of the first hinge part, a first straight half gear and a second conical half gear are sleeved on the outer wall of the first rotating shaft, when the first straight half gear and the first straight half gear are in an engaged state, the second sealing plate is driven to rotate, when the second conical half gear and the first conical half gear are in an engaged state, the first sealing plate is driven to rotate, and at the same time point, only the first straight half gear and the second conical half gear are in an engaged state or the first conical half gear and the second conical half gear are in an engaged state, that is, when the first conical half gear and the first straight half gear are engaged with the first conical half gear, the first conical half gear and the first conical half gear are not engaged with the first conical half gear and the second conical half gear are not engaged with the first conical half gear, and the first conical half gear are not engaged with the first conical half gear and the first conical half gear are in a large range, and the first conical half gear and the second conical half gear are not engaged with the first conical half gear and the second conical half gear are not engaged with the second conical half gear.
Further, the first hinge piece comprises a first hinge shaft and a first hinge block, the first hinge block is fixedly connected with the first sealing plate, the first hinge shaft penetrates through the first hinge block, and the first conical half gear is sleeved on the outer wall of the first hinge shaft;
the second hinge part comprises a second hinge shaft and a second hinge block, the second hinge block is fixedly connected with the second sealing plate, the second hinge shaft penetrates through the second hinge block, and the first straight half gear is sleeved on the outer wall of the second hinge shaft;
one end of the first rotating shaft extends to be fixedly connected with an output shaft of the first driving motor.
Further, the conversion cavity is communicated with the expansion air bag, and the expansion air bag is used for storing redundant smoke in the conversion cavity.
Further, the filter mechanism comprises a filter cavity, a filter disc, a second rotating shaft, a belt and a second driving motor, the third conveying channel penetrates through the filter cavity, the filter disc is arranged in the filter cavity, an annular groove is formed in the side wall of the filter disc, one end of the second rotating shaft is fixed to the filter disc, the second rotating shaft is coaxial with the filter disc, the second driving motor drives the second rotating shaft to rotate through the belt, a liquid inlet is formed in the upper portion of the filter disc, the liquid inlet is communicated with an infusion part, the infusion part is used for conveying liquid used for filtering flue gas, a vibrating part is arranged in the filter cavity and on one side of the filter disc, the vibrating part is used for beating the filter disc, a conveying pipeline is further arranged at the top of the filter cavity, and when the third conveying channel end is closed, gas is input into the filter cavity through the conveying pipeline, so that the flue gas can be pushed forward, and the flue gas can be guaranteed to circulate into the wet dust remover
Further, the infusion piece includes stock solution bucket, middle sleeve, conical tooth III and conical tooth IV, middle sleeve rotates to be located stock solution bucket bottom, conical tooth III cover is located middle sleeve outer wall, conical tooth IV cover is located driving motor second's output shaft outer wall, conical tooth IV with conical tooth three-phase engagement, middle sleeve's top is equipped with a plurality of through-holes one, middle sleeve's bottom is equipped with a plurality of through-holes two that link up, the aperture scope of through-hole one with the aperture scope of through-hole two does not coincide, stock solution bucket bottom is equipped with the liquid outlet that link up, works as the aperture scope of through-hole one with when the aperture scope of liquid outlet overlaps, liquid in the stock solution bucket is carried to in the middle sleeve, works as the aperture scope of through-hole two with when the aperture scope of liquid inlet overlaps, liquid in the middle sleeve carries to in the filter chamber.
Further, the vibrating piece comprises a beating rod, a sleeve and a compression spring, wherein the sleeve is arranged in the filtering cavity, the compression spring is arranged in the sleeve, one end of the beating rod extends to the inside of the sleeve and is fixedly connected with the compression spring, a first inclined surface block is arranged at the end part of the other end of the beating rod, a plurality of second inclined surface blocks are arranged on the outer wall of the filtering disc, and the second inclined surface blocks are pushed to displace when contacting with the first inclined surface blocks.
Further, the flue gas detection system comprises a hydrogen sulfide sensor, a sulfur dioxide sensor, a data calculation unit and an instruction output unit, wherein the hydrogen sulfide sensor and the sulfur dioxide sensor are arranged at an output port of the primary desulfurizing tower for outputting flue gas, the hydrogen sulfide sensor is used for monitoring the content of hydrogen sulfide in the flue gas, the sulfur dioxide sensor is used for monitoring the content of sulfur dioxide in the flue gas, and the data calculation unit is used for integrating the concentration of each substance in the collected flue gas and calculating the content of each substance in the flue gas in real time; the instruction output unit is used for integrating the results calculated in the data calculation unit and outputting instructions corresponding to the calculation results to control the opening or closing states of the first sealing plate and the second sealing plate.
Further, the specific steps of the flue gas detection system are as follows:
firstly, detecting the content of sulfide in the flue gas conveyed from the primary desulfurization tower in real time, and outputting a detection result in unit time as meeting or not meeting the standard;
outputting a result which accords with the standard as an instruction for opening the second sealing plate, closing the first sealing plate, and outputting a result which does not accord with the standard as an instruction for opening the first sealing plate, and closing the second sealing plate;
step three, obtaining time points corresponding to the standard and the non-standard to form a time set;
and step four, extracting time points meeting the standard, sorting according to time, forming time periods by the continuous time points, outputting a command for opening the first sealing plate and closing the second sealing plate if the time periods meeting the standard are smaller than a set time period threshold, and outputting a command for closing the first sealing plate and opening the second sealing plate if the time periods meeting the standard are larger than the set time period threshold.
Compared with the prior art, the invention has the following beneficial effects:
the invention can set up the detection system of the flue gas in the exit of the first-class desulfurizing tower, detect whether the content of sulfide in its flue gas exhausted accords with the standard in real time, if accord with the standard, carry to the wet dust collector directly, need not to process through the second-class desulfurizing tower, can avoid wasting the apparatus resource, can reduce the burden of the apparatus too, and the opening and closing movements of conveying channel two and conveying channel three are going on alternately, it is after closing one conveying channel, open another conveying channel, can avoid the flue gas in two conveying channels from mixing up in this way, namely avoid the flue gas of conveying channel two to mix into conveying channel three, or the flue gas in conveying channel three mix into conveying channel two, in order to guarantee that the flue gas exhausted accords with the standard.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the distribution structure of a primary desulfurizing tower and a secondary desulfurizing tower of the present invention;
FIG. 2 is a schematic perspective view of a conversion mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of the conversion mechanism of the present invention;
FIG. 4 is an enlarged schematic view of the present invention at A in FIG. 3;
FIG. 5 is a schematic perspective view of another angle of the conversion mechanism of the present invention;
FIG. 6 is a schematic view of a cross-sectional structure of another angle of the conversion mechanism of the present invention;
FIG. 7 is an enlarged schematic view of the present invention at B in FIG. 6;
FIG. 8 is a schematic perspective view of a filter tray of the present invention;
FIG. 9 is a schematic view of another angular perspective of the filter tray of the present invention;
FIG. 10 is a schematic diagram of the distribution structure of the first and second sealing plates according to the present invention;
FIG. 11 is a schematic view of the construction of the intermediate sleeve of the present invention;
fig. 12 is a schematic view of the structure of the tapping rod of the present invention;
in the figure: 1. a first-stage desulfurizing tower; 2. a secondary desulfurizing tower; 3. a wet dust collector;
4. a conversion mechanism; 41. a first conveying channel; 42. a second conveying channel; 43. a conveying channel III; 44. a conversion cavity; 45. a first sealing plate; 46. a second sealing plate; 47. inflating the balloon; 401. a first hinge; 402. a second hinge; 403. a first rotating shaft; 404. straight half gear I; 405. conical half gear one; 406. a straight half gear II; 407. conical half gear II; 408. driving a first motor; 411. a first hinge shaft; 412. a first hinge block; 421. a second hinge shaft; 422. a second hinging block;
5. a smoke detection system;
6. a filtering mechanism; 61. a filter cavity; 62. a filter tray; 63. a second rotating shaft; 64. a belt; 65. a second driving motor; 66. an annular groove; 67. a liquid inlet; 611. a liquid storage barrel; 612. an intermediate sleeve; 613. conical teeth III; 614. conical teeth IV; 615. a first through hole; 616. a second through hole; 617. a liquid outlet; 618. beating the rod; 619. a sleeve; 620. a compression spring; 621. a first inclined plane block; 622. and a second inclined plane block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides the following technical solutions: the kiln flue gas purifying treatment device comprises a primary desulfurization tower 1, a secondary desulfurization tower 2 and a wet dust collector 3, wherein a conversion mechanism 4 is arranged between the primary desulfurization tower 1 and the secondary desulfurization tower 2, and the conversion mechanism 4 is used for conveying flue gas discharged from the primary desulfurization tower 1 into the secondary desulfurization tower 2 or into the wet dust collector 3; the flue gas detection system 5 is used for detecting the content of sulfide in the flue gas output by the primary desulfurization tower 1, and controlling the direction of the conversion mechanism 4 for conveying the flue gas according to the detected content result of sulfide in the flue gas; and a filter mechanism 6, wherein the filter mechanism 6 is used for filtering the flue gas conveyed to the wet dust collector 3 through the conversion mechanism 4.
The conversion mechanism 4 comprises a first conveying channel 41, a second conveying channel 42 and a third conveying channel 43, the first conveying channel 41 is communicated with the first-stage desulfurizing tower 1, the second conveying channel 42 is communicated with the second-stage desulfurizing tower 2, the third conveying channel 43 is communicated with the wet dust collector 3, one end parts of the first conveying channel 41, the second conveying channel 42 and the third conveying channel 43 extend into the conversion cavity 44, a first sealing plate 45 and a second sealing plate 46 are arranged in the conversion cavity 44, the first sealing plate 45 is used for controlling the second conveying channel 42 to be opened or closed, the second sealing plate 46 is used for controlling the third conveying channel 43 to be opened or closed, and the first sealing plate 45 and the second sealing plate 46 are driven by the conversion assembly.
The conversion component comprises a first hinge part 401, a second hinge part 402 and a first rotating shaft 403, wherein the first sealing plate 45 is hinged with the inner wall of the conversion cavity 44 through the first hinge part 401, the second sealing plate 46 is hinged with the inner wall of the conversion cavity 44 through the second hinge part 402, one end of the first hinge part 401 is provided with a first conical half gear 405, one end of the second hinge part 402 is provided with a first straight half gear 404, the outer wall of the first rotating shaft 403 is sleeved with a second straight half gear 406 and a second conical half gear 407, when the second straight half gear 406 is in an engaged state with the first straight half gear 404, the second sealing plate 46 is driven to rotate, when the second conical half gear 407 is in an engaged state with the first conical half gear 405, the first sealing plate 45 is driven to rotate, at the same time point, only the first straight half gear 404 is in an engaged state with the second straight half gear 406 or the first conical half gear 405 is in an engaged state with the second conical half gear 407, when the engagement of the second conical half gear 407 with the first conical half gear 405 is finished, the second straight half gear 406 is in engagement with the first straight half gear 404, and the engagement states of the two sets of transmission structures are alternately carried out.
The first hinge part 401 comprises a first hinge shaft 411 and a first hinge block 412, the first hinge block 412 is fixedly connected with the first sealing plate 45, the first hinge shaft 411 penetrates through the first hinge block 412, and the first conical half gear 405 is sleeved on the outer wall of the first hinge shaft 411; the second hinge part 402 comprises a second hinge shaft 421 and a second hinge block 422, the second hinge block 422 is fixedly connected with the second sealing plate 46, the second hinge shaft 421 penetrates through the second hinge block 422, and the first straight half gear 404 is sleeved on the outer wall of the second hinge shaft 421; one end of the first rotating shaft 403 extends to be fixedly connected with an output shaft of the first driving motor 408; specifically, when the first driving motor 408 rotates, it drives the first rotating shaft 403 to rotate, the first rotating shaft 403 drives the second tapered half gear 407 and the second straight half gear 406 to rotate, when the second tapered half gear 407 is meshed with the first tapered half gear 405, it drives the first tapered half gear 405 to rotate, and the first tapered half gear 405 drives the first hinge shaft 411 to rotate, so as to drive the first sealing plate 45 to rotate to open or close, and when the second straight half gear 406 is meshed with the first straight half gear 404, it drives the first straight half gear 404 to rotate, and the first straight half gear 404 drives the second hinge shaft 421 to rotate, so as to drive the second sealing plate 46 to rotate to open or close.
The conversion cavity 44 is communicated with the expansion air bag 47, the expansion air bag 47 is used for storing redundant flue gas in the conversion cavity 44, when the first sealing plate 45 and the second sealing plate 46 are in a closed state at the same time, the expansion air bag 47 is expanded by the flue gas continuously conveyed by the first conveying channel, and when one conveying channel of the second conveying channel 42 or the first conveying channel is opened, the flue gas in the expansion air bag 47 can be automatically discharged according to a pressure principle and is discharged outwards along with the conveying channel.
The flue gas detection system 5 comprises a hydrogen sulfide sensor, a sulfur dioxide sensor, a data calculation unit and an instruction output unit, wherein the hydrogen sulfide sensor and the sulfur dioxide sensor are arranged at an output port of the primary desulfurizing tower for outputting flue gas, the hydrogen sulfide sensor is used for monitoring the content of hydrogen sulfide in the flue gas, the sulfur dioxide sensor is used for monitoring the content of sulfur dioxide in the flue gas, and the data calculation unit is used for integrating the concentration of each substance in the collected flue gas and calculating the content of each substance in the flue gas in real time; the instruction output unit is used for integrating the results calculated in the data calculation unit and outputting instructions corresponding to the calculation results to control the opening or closing states of the first sealing plate 45 and the second sealing plate 46.
The specific steps of the flue gas detection system 5 are as follows:
firstly, detecting the content of sulfide in flue gas conveyed from a first-stage desulfurizing tower in real time, and outputting a detection result in unit time to be in accordance with a standard or not, wherein the specific judgment standard refers to a household garbage incineration pollution control standard;
outputting a result meeting the standard as a command for opening the second sealing plate 46 and closing the first sealing plate 45, and outputting a result not meeting the standard as a command for opening the first sealing plate 45 and closing the second sealing plate 46;
step three, obtaining time points corresponding to the standard and the non-standard to form a time set;
and step four, extracting time points meeting the standard, sorting the time points according to time, forming time periods by using continuous time points, outputting a command for opening the first sealing plate 45 and closing the second sealing plate 46 if the time period meeting the standard is smaller than a set time period threshold, outputting a command for closing the first sealing plate 45 and opening the second sealing plate 46 if the time period meeting the standard is larger than the set time period threshold, for example, when the content of sulfide in the smoke is detected to meet the standard, but only a small range of smoke meets the standard, if the circulation of the smoke is in a length, only a small length of smoke meets the standard, under the cooperation, outputting a command for closing the second sealing plate 46 and opening the first sealing plate 45 if the second sealing plate 46 is closed in a few seconds, wherein the condition that part of smoke which does not meet the standard is mixed into the third conveying channel 43 is avoided if the second sealing plate 46 is opened, and the discharged smoke is in a condition meeting the standard is ensured.
The working principle of switching the flue gas conveying direction is as follows: when the flue gas detection system is used, the flue gas output by the first-stage desulfurizing tower 1 is detected in real time, a corresponding instruction is output according to a detection result, in an initial state, the first sealing plate 45 is in an open state, the second sealing plate 46 is in a closed state, if the content of sulfide in the flue gas is detected to meet the standard, the second sealing plate 46 is output, when the instruction of the first sealing plate 45 is closed, the first sealing plate 408 is controlled to rotate reversely, the first driving motor 408 drives the first rotating shaft 403 to rotate, the first rotating shaft 403 drives the second conical half gear 407 to rotate, the first conical half gear 405 is driven to rotate, the first sealing plate 45 is hinged reversely, the second conveying passage 42 is closed, when the second conveying passage 42 is completely closed, the first rotating shaft 403 continues to rotate reversely, the second straight half gear 406 is meshed with the first straight half gear 404, the second sealing plate 46 is driven to hinge positively, the third conveying passage 43 is opened, the flue gas output by the first desulfurizing tower 1 passes through the conversion cavity 44 and then is conveyed into the wet dust collector 3, the first sealing plate 45 and the second sealing plate 46 alternately rotates, the first conveying passage and the second conveying passage is prevented from being mixed with the third conveying passage 43, and the second conveying passage is prevented from being mixed with the second conveying passage and the flue gas and the third conveying passage is prevented from being mixed.
The filtering mechanism 6 comprises a filtering cavity 61, a filtering disc 62, a second rotating shaft 63, a belt 64 and a second driving motor 65, the third conveying channel 43 penetrates through the filtering cavity 61, the filtering disc 62 is arranged inside the filtering cavity 61, an annular groove 66 is formed in the side wall of the filtering disc 62, one end of the second rotating shaft 63 is fixed to the filtering disc 62, the second rotating shaft 63 and the filtering disc 62 are coaxial, the second driving motor 65 drives the second rotating shaft 63 to rotate through the belt 64, a liquid inlet 67 is formed in the upper portion of the filtering disc 62, the liquid inlet 67 is communicated with an infusion part, the infusion part is used for conveying liquid used when filtering smoke, and a vibrating part is arranged inside the filtering cavity 61 and on one side of the filtering disc 62 and is used for beating the filtering disc 62.
The infusion part comprises a liquid storage barrel 611, a middle sleeve 612, a third tapered tooth 613 and a fourth tapered tooth 614, wherein the middle sleeve 612 is rotationally arranged at the bottom of the liquid storage barrel 611, the third tapered tooth 613 is sleeved on the outer wall of the middle sleeve 612, the fourth tapered tooth 614 is sleeved on the outer wall of an output shaft of a second driving motor 65, the fourth tapered tooth 614 is meshed with the third tapered tooth 613, when the second driving motor 65 rotates, the fourth tapered tooth 614 is driven to rotate, the third meshed tapered tooth 613 is driven to rotate, the middle sleeve 612 is driven to rotate, a plurality of first through holes 615 are formed in the top of the middle sleeve 612, a plurality of second through holes 616 are formed in the bottom of the middle sleeve 612, a through liquid outlet 617 is formed in the bottom of the liquid storage barrel 611, and when the middle sleeve 612 rotates, the positions of the first through holes 615 and the second through holes 616 at the top and the bottom of the middle sleeve 612 are changed, so that the following matching conditions occur:
the first way is that when the aperture range of the first through hole 615 is coincident with the aperture range of the liquid outlet 617, and the aperture range of the second through hole 616 is not coincident with the aperture range of the liquid inlet 67, that is, the liquid outlet 617 is opened, the liquid inlet 67 is closed, and at this time, the liquid in the liquid storage barrel 611 is conveyed into the middle sleeve 612 through the liquid outlet 617, and lime liquid is replenished into the middle sleeve 612;
the second fit is that when the aperture range of the second through hole 616 is coincident with the aperture range of the liquid inlet 67, and the aperture range of the first through hole 615 is not coincident with the aperture range of the liquid outlet 617, that is, the liquid outlet 617 is closed, the liquid inlet 67 is opened, and at this time, the liquid in the middle sleeve 612 is conveyed into the filter cavity 61, specifically, the lime solution in the middle sleeve 612 flows into the liquid inlet 67 and then flows onto the filter screen in the filter cavity 61 along the liquid inlet 67;
the third fit is that when the aperture range of the first through hole 615 coincides with the aperture range of the liquid outlet 617, and the aperture range of the second through hole 616 coincides with the aperture range of the liquid inlet 67, the liquid outlet 617 and the liquid inlet 67 are simultaneously opened, and the liquid in the liquid storage barrel 611 can directly flow into the filtering cavity 61;
the fourth fit is that when the aperture range of the first through hole 615 is not coincident with the aperture range of the liquid outlet 617, and the aperture range of the second through hole 616 is not coincident with the aperture range of the liquid inlet 67, the liquid outlet 617 and the liquid inlet 67 are closed at the same time, and the solution is stopped being conveyed;
in a preferred embodiment, when designing the liquid outlet 617 and the liquid inlet 67, the two are staggered, that is, when the first through hole 615 is overlapped with the liquid outlet 617, the second through hole 616 is not overlapped with the liquid inlet 67, and when the second through hole 616 is overlapped with the liquid inlet 67, the first through hole 615 is not overlapped with the liquid outlet 617, and the first and second matching methods are mainly adopted, and only one matching condition occurs at the same time.
The bottom of the filter cavity 61 is provided with a through material receiving tank, and lime solution flowing down from the filter screen disc flows into the material receiving tank for storage.
The vibrating piece includes the beating pole 618, sleeve 619 and compression spring 620, in the filter cavity 61 was located to sleeve 619, compression spring 620 locates inside the sleeve 619, beating pole 618 one end extends to inside sleeve 619 and compression spring 620 fixed connection, beating pole 618 other end tip is equipped with inclined plane piece one 621, the filter disc 62 outer wall is equipped with a plurality of inclined plane piece two 622, promote inclined plane piece one 621 displacement when inclined plane piece two 622 and the contact of inclined plane piece one 621, the bottom of filter cavity 61 is equipped with the material receiving box that link up, the dust that drops from filter disc 62 can fall in the material receiving box, collect the dust.
The working principle of filtering the flue gas in the filter cavity 61 is as follows: when the flue gas is conveyed into the filtering cavity 61, the driving motor II 65 is started to rotate, the rotating shaft II 63 is driven to rotate through the belt 64, so that the filtering disc 62 is driven to rotate, meanwhile, lime solution for filtering sulfides is discharged from the liquid inlet 67, the lime solution is intermittently discharged, the lime solution flows onto the filtering disc 62, annular grooves are formed in the side wall of the filtering disc 62, when the lime solution is discharged, the redundant lime solution extends to two sides along the annular grooves, the contact area between the lime solution and the filtering disc 62 can be increased, the rotating filtering disc 62 can adjust the position mainly contacted with the flue gas in real time, the filtering effect can be improved, meanwhile, dust in the flue gas can be filtered by the filtering disc 62, at the moment, the dust in the flue gas can be attached to the filtering disc 62, when the inclined surface block II 622 and the inclined surface block II of the outer wall of the filtering disc 62 are contacted with the inclined surface block I, the inclined surface block 621 can push the inclined surface block 621, the beating rod 619 is contracted inwards, the compression spring 620 is deformed inwards, when the inclined surface block II 622 and the inclined surface block 621 are separated, the rebound spring 618 is generated after the inclined surface block II is separated, and the dust can be quickly fallen down on the side wall of the filtering disc 62, and the dust can be cleaned.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a kiln gas cleaning processing apparatus, includes one-level desulfurizing tower (1), second grade desulfurizing tower (2) and wet dust collector (3), its characterized in that: a conversion mechanism (4) is arranged between the primary desulfurization tower (1) and the secondary desulfurization tower (2), and the conversion mechanism (4) is used for conveying the flue gas discharged from the primary desulfurization tower (1) into the secondary desulfurization tower (2) or into the wet dust collector (3);
the flue gas detection system (5) is used for detecting the content of sulfide in the flue gas output by the primary desulfurization tower (1) and controlling the direction of the conversion mechanism (4) for conveying the flue gas according to the detected content of sulfide in the flue gas;
and a filter mechanism (6), wherein the filter mechanism (6) is used for filtering the flue gas conveyed into the wet dust collector (3) through the conversion mechanism (4);
the conversion mechanism (4) comprises a first conveying channel (41), a second conveying channel (42) and a third conveying channel (43), wherein the first conveying channel (41) is communicated with the first-stage desulfurizing tower (1), the second conveying channel (42) is communicated with the second-stage desulfurizing tower (2), the third conveying channel (43) is communicated with the wet dust collector (3), one end parts of the first conveying channel (41), the second conveying channel (42) and the third conveying channel (43) extend into a conversion cavity (44), a first sealing plate (45) and a second sealing plate (46) are arranged in the conversion cavity (44), the first sealing plate (45) is used for controlling the second conveying channel (42) to be opened or closed, the second sealing plate (46) is used for controlling the third conveying channel (43) to be opened or closed, and the first sealing plate (45) and the second sealing plate (46) are driven by a conversion assembly;
the conversion assembly comprises a first hinge part (401), a second hinge part (402) and a first rotating shaft (403), wherein the first sealing plate (45) is hinged with the inner wall of the conversion cavity (44) through the first hinge part (401), the second sealing plate (46) is hinged with the inner wall of the conversion cavity (44) through the second hinge part (402), one end of the first hinge part (401) is provided with a conical half gear (405), one end of the second hinge part (402) is provided with a straight half gear (404), the outer wall of the first rotating shaft (403) is sleeved with a straight half gear (406) and a conical half gear (407), when the straight half gear (406) and the straight half gear (404) are in an engaged state, the sealing plate (46) is driven to rotate, and when the conical half gear (407) and the conical half gear (405) are in an engaged state, only the straight half gear (406) and the conical half gear (404) are in an engaged state;
the hinge piece I (401) comprises a hinge shaft I (411) and a hinge block I (412), the hinge block I (412) is fixedly connected with the sealing plate I (45), the hinge shaft I (411) penetrates through the hinge block I (412), and the conical half gear I (405) is sleeved on the outer wall of the hinge shaft I (411);
the second hinge part (402) comprises a second hinge shaft (421) and a second hinge block (422), the second hinge block (422) is fixedly connected with the second sealing plate (46), the second hinge shaft (421) penetrates through the second hinge block (422), and the first straight half gear (404) is sleeved on the outer wall of the second hinge shaft (421);
one end of the first rotating shaft (403) extends to be fixedly connected with an output shaft of the first driving motor (408);
the utility model provides a filter mechanism (6) is including filtering cavity (61), filter disc (62), pivot two (63), belt (64) and driving motor two (65), three (43) of conveying channel run through filter cavity (61), filter disc (62) are located inside filter cavity (61), just be equipped with annular groove (66) on the lateral wall of filter disc (62), pivot two (63) one end with the fixing of filter disc (62), just pivot two (63) with filter disc (62) are coaxial, driving motor two (65) drive through belt (64) pivot two (63) rotate, filter disc (62) top is equipped with feed liquor mouth (67), feed liquor mouth (67) link up with infusion piece, infusion piece is used for carrying the liquid that filters the flue gas, filter cavity (61) inside with filter disc (62) one side is equipped with vibration piece, vibration piece is used for beating filter disc (62).
2. The kiln gas cleaning device according to claim 1, wherein: the conversion cavity (44) is communicated with an expansion air bag (47), and the expansion air bag (47) is used for storing redundant flue gas in the conversion cavity (44).
3. The kiln gas cleaning device according to claim 1, wherein: the infusion part comprises a liquid storage barrel (611), an intermediate sleeve (612), three conical teeth (613) and four conical teeth (614), wherein the intermediate sleeve (612) is rotationally arranged at the bottom of the liquid storage barrel (611), the three conical teeth (613) are sleeved on the outer wall of the intermediate sleeve (612), the four conical teeth (614) are sleeved on the outer wall of an output shaft of a second driving motor (65), the four conical teeth (614) are meshed with the three conical teeth (613), a plurality of first through holes (615) are formed in the top of the intermediate sleeve (612), a plurality of second through holes (616) are formed in the bottom of the intermediate sleeve (612), a through liquid outlet (617) is formed in the bottom of the liquid storage barrel (611), when the aperture range of the first through holes (615) is overlapped with the aperture range of the liquid outlet (617), liquid in the barrel (611) is conveyed into the intermediate sleeve (612), and when the aperture range of the second through holes (616) is overlapped with the aperture range of the liquid inlet (67), and the liquid in the intermediate sleeve (612) is conveyed into the filter cavity (61).
4. A kiln gas cleaning device according to claim 3, wherein: the vibrating piece comprises a beating rod (618), a sleeve (619) and a compression spring (620), wherein the sleeve (619) is arranged in the filter cavity (61), the compression spring (620) is arranged inside the sleeve (619), one end of the beating rod (618) extends to the inside of the sleeve (619) and is fixedly connected with the compression spring (620), an inclined plane block I (621) is arranged at the end part of the other end of the beating rod (618), a plurality of inclined plane blocks II (622) are arranged on the outer wall of the filter disc (62), and the inclined plane blocks II (622) are pushed to move when contacting with the inclined plane blocks I (621).
5. The kiln gas cleaning device according to claim 1, wherein: the flue gas detection system (5) comprises a hydrogen sulfide sensor, a sulfur dioxide sensor, a data calculation unit and an instruction output unit, wherein the hydrogen sulfide sensor and the sulfur dioxide sensor are arranged at an output port of the primary desulfurization tower for outputting flue gas, the hydrogen sulfide sensor is used for monitoring the content of hydrogen sulfide in the flue gas, the sulfur dioxide sensor is used for monitoring the content of sulfur dioxide in the flue gas, and the data calculation unit is used for integrating the concentration of each substance in the collected flue gas and calculating the content of each substance in the flue gas in real time; the instruction output unit is used for integrating the results calculated in the data calculation unit and outputting instructions corresponding to the calculation results to control the opening or closing states of the first sealing plate (45) and the second sealing plate (46).
6. The kiln gas cleaning device according to claim 5, wherein: the specific steps of the smoke detection system (5) are as follows:
firstly, detecting the content of sulfide in the flue gas conveyed from the primary desulfurization tower in real time, and outputting a detection result in unit time as meeting or not meeting the standard;
outputting a result meeting the standard as a command for opening the second sealing plate (46), closing the first sealing plate (45), and outputting a result not meeting the standard as a command for opening the first sealing plate (45), and closing the second sealing plate (46);
step three, obtaining time points corresponding to the standard and the non-standard to form a time set;
and step four, extracting time points meeting the standard, sorting the time points according to time, forming time periods by using the continuous time points, outputting a command for opening the first sealing plate (45) and closing the second sealing plate (46) if the time period meeting the standard is smaller than a set time period threshold, and outputting a command for closing the first sealing plate (45) and opening the second sealing plate (46) if the time period meeting the standard is larger than the set time period threshold.
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