CN117781294A - Fine chemical industry factory flue gas treatment method - Google Patents
Fine chemical industry factory flue gas treatment method Download PDFInfo
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- CN117781294A CN117781294A CN202311835988.9A CN202311835988A CN117781294A CN 117781294 A CN117781294 A CN 117781294A CN 202311835988 A CN202311835988 A CN 202311835988A CN 117781294 A CN117781294 A CN 117781294A
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- annular
- flue gas
- wall
- plate
- incinerator
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003546 flue gas Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000012847 fine chemical Substances 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 67
- 239000000126 substance Substances 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000006477 desulfuration reaction Methods 0.000 claims description 11
- 230000023556 desulfurization Effects 0.000 claims description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
- 230000001877 deodorizing effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 description 18
- 238000007599 discharging Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field of factory flue gas treatment, in particular to a fine chemical factory flue gas treatment method which comprises supporting legs, an annular mounting plate, an incinerator, a suspender, a burner, a funnel-shaped plate, a filtering hole, a hairbrush cleaning unit, a furnace wall cleaning unit, an ash blocking switch unit and a dust collection unit. The existing high-temperature incineration equipment is generally time-consuming and labor-consuming to clean manually, the problem that dust particles block the discharge outlet may exist, and the generated dust particles are not easy to discharge and uniformly treat. The dust collection unit, the furnace wall cleaning unit, the ash blocking switch unit and the brush cleaning unit are matched, so that the inner wall of the incinerator and the funnel-shaped plate can be cleaned, the dust collector uniformly discharges the dust to the outside of the incinerator, the chemical flue gas transmission efficiency is effectively improved, the round sealing plate can be driven to reciprocate left and right, and the effect of automatically controlling whether the annular supporting tube is sealed or not according to the cleaning work requirement is achieved.
Description
Technical Field
The invention relates to the technical field of factory flue gas treatment, in particular to a fine chemical factory flue gas treatment method.
Background
In the production process of a flammable gas chemical plant, smoke is usually generated, wherein the smoke contains pollutants such as flammable gas which is not completely combusted, dust, harmful chemical substances, particulate matters and the like, if the smoke is directly discharged into the atmosphere, the pollutants contained in the smoke can form a huge threat to the environment and human health, so that the chemical smoke needs to be purified firstly, the chemical smoke purification process generated by the flammable gas chemical plant usually needs to be discharged after the processes such as high-temperature incineration filtration, adsorption dust removal, desulfurization and denitrification, deodorization treatment and biological treatment are carried out, and the like, thus the environmental protection standard is met, wherein the high-temperature incineration filtration in the chemical smoke generated by the flammable gas chemical plant is the main step for treating the incompletely combusted flammable gas, and is also the most important pretreatment step in the chemical smoke generated by the flammable gas chemical plant.
The existing high-temperature incineration and filtration of chemical smoke generated by flammable gas chemical plants has the following problems: when carrying out high temperature to chemical industry flue gas and burn, do not carry out clear function to the incineration equipment inner wall, adopt the clean mode of manual work consuming time and consume power, probably there is the problem of dust granule jam discharge port to lead to chemical industry flue gas's high temperature to burn work efficiency lower, and chemical industry flue gas produces when carrying out high temperature and burn the dust granule be difficult for discharging unified processing.
Disclosure of Invention
The invention aims to solve the technical problems by using the fine chemical industry factory flue gas treatment method.
The technical scheme is that in order to achieve the purpose, the invention adopts the following technical scheme that the fine chemical industry factory flue gas treatment method comprises the following steps: s1, high-temperature incineration and filtration: and (3) introducing chemical flue gas generated by the flammable gas chemical plant into high-temperature incineration filtering equipment for high-temperature incineration filtering treatment to remove the incompletely combusted flammable gas in the chemical flue gas.
S2, wet dedusting: and (3) carrying out wet dust removal treatment on the chemical flue gas subjected to the high-temperature incineration and filtration in the step one, and removing dust particles in the chemical flue gas.
S3, desulfurization and denitrification: and (3) carrying out desulfurization and denitrification treatment on the chemical flue gas subjected to the wet dust removal treatment in the step (II) to remove sulfur dioxide and nitrogen oxides in the chemical flue gas.
S4, deodorizing: and (3) deodorizing the chemical flue gas subjected to desulfurization and denitrification in the step (III) to remove odor substances of the chemical flue gas.
S5, fume emission: and discharging the purified chemical flue gas into the atmosphere through a discharge pipeline.
Above-mentioned step S1 adopts a high temperature to burn filtration equipment cooperation to accomplish, specifically includes that the lower extreme is the annular mounting panel that four supporting legs were evenly arranged to the circumference, the burning furnace is installed to annular mounting panel inner wall, burns the inboard and installs the combustor through being a plurality of jib that the circumference was evenly arranged in the burning furnace, burns the inboard and installs the funnel shaped plate that the circular breach was left at the middle part in the combustor downside, evenly has offered a plurality of filtration pores on the funnel shaped plate, burns the downside and corresponds the funnel shaped plate and be provided with brush cleaning unit, burns the outer wall of the burning furnace and be provided with the clean unit of oven, and brush cleaning unit is provided with the dust blocking switch unit jointly with the clean unit of oven, is provided with dust absorption unit on the annular mounting panel.
The middle part of the upper end of the incinerator is provided with an air inlet pipe in a penetrating way, the right side of the upper end of the incinerator is provided with an air supplementing pipe in a penetrating way, and the lower side of the left side of the upper end of the incinerator is provided with an air outlet pipe in a penetrating way.
The brush cleaning unit comprises an annular supporting tube which is installed at the lower end of the incinerator in a penetrating mode, the upper end of the annular supporting tube is fixedly connected to the lower end of the funnel-shaped plate, the lower end of the annular supporting tube is rotatably provided with a supporting plate, a rotary lifting mechanism is arranged in the annular supporting tube, and a cleaning mechanism is arranged on the rotary lifting mechanism.
The rotary lifting mechanism comprises a first forward and reverse rotating motor arranged on the lower side of an annular supporting tube through a motor seat, a transmission shaft is connected to an output shaft of the first forward and reverse rotating motor and penetrates through the transmission shaft to be arranged on a supporting plate, a circular through hole is formed in the upper end of the transmission shaft, matching sliding blocks are symmetrically arranged on the inner wall of the circular through hole and internally slide a hollow screw, the upper end and the lower end of the hollow screw are respectively an optical axis section, the optical axis section on the lower side of the hollow screw is correspondingly provided with a matching sliding groove in a symmetrical mode, the matching sliding blocks are slidingly connected in the corresponding matching sliding grooves, a screw nut is fixedly arranged in the middle of the annular supporting tube and is connected to the hollow screw through threads, an ash blocking plate is fixedly sleeved on the outer wall of the hollow screw close to the upper end, and the ash blocking plate is movably attached to the inner wall of the annular supporting tube.
Preferably, the cleaning mechanism comprises a plurality of guide sliding grooves uniformly formed in the circumference of the upper end of the hollow screw, a plurality of arc plates are uniformly hinged to the upper end of the outer wall of the hollow screw in circumference, the lower arc surface of each arc plate corresponds to the outer wall of the upper side optical shaft section of the hollow screw, one end of each arc plate, which is far away from the hollow screw, is provided with a connecting plate, limiting plates are symmetrically arranged on the arc plates, the connecting plate and the upper ends of the two limiting plates are fixedly arranged with hollow loop bars through mounting seats, sliding rods are arranged in the hollow loop bars in a sliding manner, one end, which is close to the hollow loop bars, is connected onto the inner wall of the hollow loop bars through compression springs, one end, which is far away from the hollow loop bars, is provided with a high-temperature-resistant arc brush, and the upper side and lower sides of the inner wall of the hollow screw are uniformly provided with a plurality of guide rings in circumference, a first steel wire rope is arranged in the guide sliding manner in the guide sliding grooves, the first steel wire rope is arranged in the upper and lower guide rings corresponding to the lower side optical shaft section of the hollow screw, one end of each steel wire rope is fixedly connected onto the connecting plate through tension springs, the other end of each tension spring is fixedly connected onto the upper end of the optical shaft, the upper end of each tension spring is provided with a plurality of mounting grooves, and the inner arc brush is uniformly formed in circumference, and the upper end of the arc brush is fixedly connected onto the lower arc wire.
Preferably, the furnace wall cleaning unit comprises a plurality of first rectangular sliding grooves uniformly formed in the circumference on the upper side of the inner wall of the incinerator, the plurality of first rectangular sliding grooves are provided with annular scraping plates in a sliding mode, a third tension spring is arranged in the first rectangular sliding grooves of the incinerator, and the upper ends of the third tension springs are fixedly connected to the annular scraping plates.
Preferably, a plurality of rectangular sliding grooves No. two are uniformly formed in the upper side of the outer wall of the incinerator in a circumference manner, an annular sleeve plate sleeved on the incinerator is arranged on the plurality of rectangular sliding grooves No. two in a sliding manner, a plurality of circular guide holes communicated with the rectangular sliding grooves No. one and the rectangular sliding grooves No. two are uniformly formed in the outer wall of the incinerator in a circumference manner, friction reducing retaining rings are arranged at positions, corresponding to the circular guide holes, of the outer wall of the incinerator, no. two steel wire ropes are jointly arranged in the friction reducing retaining rings in a penetrating manner in the circular guide holes in a penetrating manner, one ends of the steel wire ropes No. two are fixedly connected to the annular scraping plate, the other ends of the steel wire ropes are fixedly connected to the annular sleeve plate, racks are symmetrically arranged on the annular sleeve plate, the support legs and the annular mounting plate jointly correspond to the racks to form an avoidance hole, a No. two forward and reverse rotation motor is arranged on the annular mounting plate through a motor seat, an output shaft of the No. two reverse rotation motors is connected with a gear column, and the gear column is meshed with the corresponding racks.
Preferably, the ash blocking switch unit comprises an extension plate arranged on the right upper side of the outer wall of the annular support tube, a sliding hole penetrating through the annular support tube is formed in the extension plate, a round sealing plate is installed in the sliding hole in a sliding mode, a push rod penetrating through the extension plate and the incinerator in sequence is installed at the right end of the round sealing plate, a support rod is installed at the lower end of the annular sleeve plate corresponding to the push rod, extension round rods are installed at the right ends of the push rod and the support rod, telescopic rods are hinged to the front end and the rear end of the extension round rods located on the lower side, and the telescopic ends of the telescopic rods are hinged to the extension round rods located on the upper side.
Preferably, the dust collection unit comprises a -shaped transmission pipe arranged at the upper end of the annular mounting plate, the -shaped transmission pipe is arranged on the incinerator in a penetrating mode, one pipe orifice end of the -shaped transmission pipe is arranged on the upper side of the annular supporting pipe in a penetrating mode, the other pipe orifice end of the -shaped transmission pipe is arranged on the upper side of the screw nut in a penetrating mode, a dust collector is arranged on the annular mounting plate, and the dust collector is communicated with the -shaped transmission pipe through a connecting pipe.
Preferably, the middle part of the upper end of the incinerator is provided with an air inlet pipe in a penetrating way, and the lower side of the incinerator is provided with an air outlet pipe in a penetrating way.
The dust collection unit adopted by the fine chemical industry factory flue gas treatment method provided by the invention can suck out dust particles sliding onto the circular sealing plate, and the furnace wall cleaning unit is matched with the ash blocking switch unit, so that the dust particles attached to the upper side of the inner wall of the incinerator can be scraped onto the funnel-shaped plate, and the circular sealing plate can be driven to withdraw from the annular supporting tube.
2. The rotary lifting mechanism and the cleaning mechanism are matched, so that dust particles attached to the upper side of the inner wall of the incinerator and the upper part of the funnel-shaped plate can be cleaned, and are uniformly discharged out of the incinerator by the dust collector, the problem that the filter holes are blocked, and the burnt chemical flue gas cannot be smoothly led to an air outlet pipe on the lower side of the incinerator to be discharged is effectively avoided.
3. According to the flue gas treatment method for the fine chemical industry, the dust collection unit, the furnace wall cleaning unit, the ash blocking switch unit and the rotary lifting mechanism are matched with the cleaning mechanism, so that the inner wall of the incinerator and the funnel-shaped plate can be cleaned, the chemical industry flue gas transmission efficiency is effectively improved, the round sealing plate can be driven to reciprocate left and right, and the effect of automatically controlling whether the annular supporting tube is sealed or not according to the cleaning work requirement is achieved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a flow chart of a process of the present invention.
Fig. 2 is a schematic perspective view of a high-temperature incineration filter apparatus according to an embodiment of the present invention.
Fig. 3 is a front view of the high-temperature incineration filter apparatus provided by the embodiment of the present invention.
Fig. 4 is a front cross-sectional view of a high temperature incineration filter apparatus provided by an embodiment of the present invention.
Fig. 5 is an enlarged view of the present invention at X in fig. 3.
Fig. 6 is a half cross-sectional view of the gear post and rack of the present invention.
Fig. 7 is a partially cut-away perspective view of a brush cleaning unit according to the present invention.
In the figure: 1. support legs; 2. an annular mounting plate; 3. an incinerator; 4. a boom; 5. a burner; 6. a funnel-shaped plate; 7. a filter hole; 8. a brush cleaning unit; 81. an annular support tube; 82. a support plate; 83. a rotary lifting mechanism; 831. a first forward and reverse rotation motor; 832. a transmission shaft; 833. a circular through hole; 834. matching with a sliding block; 835. a hollow screw; 836. matching with the sliding groove; 837. a lead screw nut; 838. an ash blocking plate; 84. a cleaning mechanism; 841. a guide chute; 842. an arc-shaped plate; 843. a connecting plate; 844. a limiting plate; 845. a hollow loop bar; 846. a slide bar; 847. a compression spring; 848. high temperature resistant arc brush; 849. a guide ring; 850. a first wire rope; 851. a first tension spring; 852. a mounting groove; 853. a second tension spring; 9. a furnace wall cleaning unit; 91. a first rectangular chute; 92. an annular scraping plate; 93. a third tension spring; 94. a second rectangular chute; 95. an annular sleeve plate; 96. a circular guide hole; 97. friction reducing clasp ring; 98. a second wire rope; 99. a rack; 100. avoidance holes; 101. a second forward and reverse rotation motor; 102. a gear post; 11. an ash blocking switch unit; 111. an extension plate; 112. a slide hole; 113. a circular sealing plate; 114. a push rod; 115. a support rod; 116. lengthening the round bar; 117. a telescopic rod; 12. a dust collection unit; 121. -shaped transfer tube; 122. a dust collector; 123. a connecting pipe; 13. an air inlet pipe; 14. and an air outlet pipe.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, a flue gas treatment method for a fine chemical industry factory specifically comprises the following steps: s1, high-temperature incineration and filtration: and (3) introducing chemical flue gas generated by the flammable gas chemical plant into high-temperature incineration filtering equipment for high-temperature incineration filtering treatment to remove the incompletely combusted flammable gas in the chemical flue gas.
S2, wet dedusting: and (3) carrying out wet dust removal treatment on the chemical flue gas subjected to the high-temperature incineration and filtration in the step one, and removing dust particles in the chemical flue gas.
S3, desulfurization and denitrification: and (3) carrying out desulfurization and denitrification treatment on the chemical flue gas subjected to the wet dust removal treatment in the step (II) to remove sulfur dioxide and nitrogen oxides in the chemical flue gas.
S4, deodorizing: and (3) deodorizing the chemical flue gas subjected to desulfurization and denitrification in the step (III) to remove odor substances of the chemical flue gas.
S5, fume emission: and discharging the purified chemical flue gas into the atmosphere through a discharge pipeline.
Referring to fig. 2 and 4, the step S1 is completed by adopting a high-temperature incineration filter device, and specifically includes an annular mounting plate 2 with four supporting legs 1 uniformly distributed on the circumference at the lower end, an incinerator 3 is mounted on the inner wall of the annular mounting plate 2, a combustor 5 is mounted on the upper side of the incinerator 3 through a plurality of suspension rods 4 uniformly distributed on the circumference, a funnel-shaped plate 6 with a circular notch in the middle is mounted on the lower side of the combustor 5 on the inner wall of the incinerator 3, a plurality of filter holes 7 are uniformly formed in the funnel-shaped plate 6, a brush cleaning unit 8 is arranged on the lower side of the incinerator 3 corresponding to the funnel-shaped plate 6, a furnace wall cleaning unit 9 is arranged on the outer wall of the incinerator 3, an ash blocking switch unit 11 is jointly arranged on the brush cleaning unit 8 and the furnace wall cleaning unit 9, and a dust collection unit 12 is arranged on the annular mounting plate 2.
The middle part of the upper end of the incinerator 3 is provided with an air inlet pipe 13 in a penetrating way, the right side of the upper end of the incinerator 3 is provided with an air supplementing pipe 15 in a penetrating way, and the lower side of the upper end left side of the incinerator 3 is provided with an air outlet pipe 14 in a penetrating way.
Referring to fig. 4 and 7, the brush cleaning unit 8 includes an annular support tube 81 penetrating through the lower end of the incinerator 3, the upper end of the annular support tube 81 is fixedly connected to the lower end of the funnel-shaped plate 6, a support plate 82 is rotatably mounted at the lower end of the annular support tube 81, a rotary lifting mechanism 83 is disposed in the annular support tube 81, and a cleaning mechanism 84 is disposed on the rotary lifting mechanism 83.
Firstly, the ignition of the burner 5 is controlled, chemical smoke which needs high-temperature incineration and filtration treatment is discharged into the incinerator 3 through the air inlet pipe 13, the discharged chemical smoke is fully combusted, dust particles can be generated when the chemical smoke is subjected to high-temperature incineration and filtration treatment, the combusted chemical smoke is led to the lower side of the incinerator 3 through the filter holes 7 and is discharged through the air outlet pipe 14 for subsequent wet dedusting, desulfurization and denitrification and deodorization treatment, the gas can be discharged into the atmosphere, most of generated dust particles slide into the annular supporting pipe 81 through the funnel-shaped plate 6, a small part of dust particles possibly adhere to the inner walls of the funnel-shaped plate 6 and the upper side of the incinerator 3, and when the funnel-shaped plate 6 needs to be cleaned, the dust particles can be cleaned and discharged through the brush cleaning unit 8 and the dust collection unit 12.
Referring to fig. 2, 4 and 6, the furnace wall cleaning unit 9 includes a plurality of first rectangular sliding grooves 91 uniformly formed on the upper side of the inner wall of the incinerator 3, the plurality of first rectangular sliding grooves 91 are slidably mounted with an annular scraping plate 92, a third tension spring 93 is mounted in the first rectangular sliding groove 91 of the incinerator 3, and the upper end of the third tension spring 93 is fixedly connected to the annular scraping plate 92.
Referring to fig. 2, 4 and 6, a plurality of second rectangular sliding grooves 94 are uniformly formed on the upper side of the outer wall of the incinerator 3 in a circumference manner, an annular sleeve plate 95 sleeved on the incinerator 3 is slidably mounted on the second rectangular sliding grooves 94 in a sliding manner, a plurality of circular guide holes 96 communicated with the first rectangular sliding grooves 91 and the second rectangular sliding grooves 94 are uniformly formed on the outer wall of the incinerator 3 in a circumference manner, a friction reducing retaining ring 97 is mounted at the position of the outer wall of the incinerator 3 corresponding to the circular guide holes 96, a second steel wire rope 98 is jointly penetrated in the friction reducing retaining ring 97 and the circular guide holes 96, one end of the second steel wire rope 98 is fixedly connected to the annular scraping plate 92, the other end of the second steel wire rope is fixedly connected to the annular sleeve plate 95, racks 99 are symmetrically mounted on the annular sleeve plate 95, a supporting leg 1 and the annular mounting plate 2 jointly correspond to the racks 99, one side of the annular mounting plate 2 corresponding to the two racks 99 is provided with a second forward and reverse motor 101 through a motor seat, an output shaft of the second forward and reverse motor 101 is connected with a gear column 102, and the gear column 102 is meshed with the corresponding racks 99.
Referring to fig. 2-5, the ash blocking switch unit 11 includes an extension plate 111 installed on the upper right side of the outer wall of the annular support tube 81, a sliding hole 112 penetrating through the annular support tube 81 is formed in the extension plate 111, a circular sealing plate 113 is installed in the sliding hole 112 in a sliding manner, a push rod 114 sequentially penetrating through the extension plate 111 and the incinerator 3 is installed at the right end of the circular sealing plate 113, a support rod 115 is installed at the lower end of the annular sleeve plate 95 corresponding to the push rod 114, extension round rods 116 are installed at the right ends of the push rod 114 and the support rod 115, telescopic rods 117 are hinged to the front end and the rear end of the extension round rods 116 located at the lower side, and the telescopic ends of the telescopic rods 117 are hinged to the extension round rods 116 located at the upper side.
Referring to fig. 2 and 4, the dust collection unit 12 includes a -shaped transmission tube 121 mounted at the upper end of the annular mounting plate 2, the -shaped transmission tube 121 is mounted on the incinerator 3 in a penetrating manner, one nozzle end of the -shaped transmission tube 121 is mounted on the upper side of the annular support tube 81 in a penetrating manner, the other nozzle end of the transmission tube is mounted on the upper side of the screw nut 837 in a penetrating manner, a dust collector 122 is mounted on the annular mounting plate 2, and the dust collector 122 is communicated with the -shaped transmission tube 121 through a connecting tube 123.
When the chemical smoke is burnt at high temperature and filtered, most dust particles generated slide onto the circular sealing plate 113 in the annular supporting tube 81 from the upper surface of the funnel-shaped plate 6, the dust collector 122 is controlled to continuously suck air, the dust particles sliding onto the circular sealing plate 113 are sucked out through the -shaped conveying tube 121, when the funnel-shaped plate 6 needs to be cleaned, the chemical smoke is stopped from being conveyed into the air inlet tube 13, the corresponding gear columns 102 and racks 99 are respectively controlled by the two second positive and negative motors 101 to drive the annular sleeve plate 95 to move downwards together, the annular scraping plate 92 moves upwards under the action of the third tension spring 93 and the second steel wire rope 98 until the annular sleeve plate 95 moves downwards to the lowest end of the second rectangular sliding groove 94, at the moment, the annular scraping plate 92 moves upwards to the position above the first rectangular sliding groove 91, thereby realizing the effect that the annular scraping plate 92 scrapes dust particles attached to the upper part of the inner wall of the incinerator 3, the annular sleeve plate 95 drives the lengthened round bars 116 positioned on the upper side to move downwards through the supporting rods 115, the lengthened round bars 116 positioned on the upper side drive the telescopic ends of the telescopic bars 117 to move downwards because the telescopic bars 117 are hinged between the lengthened round bars 116 positioned on the upper side and the lower side, at the moment, the telescopic ends of the telescopic bars 117 rotate around the lengthened round bars 116 positioned on the upper side by a certain angle, the telescopic ends of the telescopic bars 117 are carried out, during the period, the telescopic bars 117 drive the push rods 114 to move outwards through the lengthened round bars 116 positioned on the lower side until the push rods 114 drive the round sealing plates 113 to move rightwards to the position of exiting the annular supporting tubes 81, at the moment, the dust particles attached to the upper part of the inner wall of the incinerator 3 slide into the annular supporting tubes 81 from the funnel-shaped plates 6, and small parts of the dust particles are attached to the funnel-shaped plates 6, the dust collection unit 12 can suck out dust particles sliding onto the circular sealing plate 113, the furnace wall cleaning unit 9 is matched with the ash blocking switch unit 11, the dust particles attached to the upper side of the inner wall of the incinerator 3 can be scraped onto the funnel-shaped plate 6, and the circular sealing plate 113 can be driven to withdraw from the annular supporting tube 81.
Referring to fig. 4, 6 and 7, the rotating and lifting mechanism 83 includes a first forward and reverse rotation motor 831 installed on the lower side of the annular support tube 81 through a motor base, an output shaft of the first forward and reverse rotation motor 831 is connected with a transmission shaft 832, the transmission shaft 832 is installed on the support plate 82 in a penetrating manner, a circular through hole 833 is provided at the upper end of the transmission shaft 832, a matching slide 834 is symmetrically installed on the inner wall of the circular through hole 833, a hollow lead screw 835 is installed in the circular through hole 833 in a sliding manner, the upper end and the lower end of the hollow lead screw 835 are both optical axis sections, the optical axis section of the lower side of the hollow lead screw 835 is symmetrically provided with a matching slide 836 corresponding to the left and right matching slide 834, the matching slide 834 is slidingly connected in the corresponding matching slide 836, a lead screw nut 837 is fixedly installed in the middle of the annular support tube 81, the lead screw nut 837 is connected on the hollow lead screw 835 through threads, an ash blocking plate 838 is fixedly sleeved on the outer wall of the hollow lead screw 835 near the upper end, and the ash blocking plate 838 is movably attached to the inner wall of the annular support tube 81.
Referring to fig. 1, 5 and 7, the cleaning mechanism 84 includes a plurality of guiding sliding grooves 841 uniformly formed on the upper end of the hollow screw 835, a plurality of arc plates 842 are uniformly hinged on the upper end of the outer wall of the hollow screw 835, the lower arc surface of the arc plates 842 corresponds to the outer wall of the side shaft section on the hollow screw 835, a connecting plate 843 is mounted on one end of the arc plates 842 far away from the hollow screw 835, limiting plates 844 are symmetrically mounted on the arc plates 842, a hollow sleeve 845 is fixedly mounted on the connecting plate 843 and the upper ends of the two limiting plates 844 through a mounting seat, a sliding rod 846 is slidably mounted in the hollow sleeve 845, one end of the sliding rod 846 close to the hollow sleeve 845 is connected to the inner wall of the hollow sleeve 845 through a compression spring 847, the high temperature resistant arc brush 848 is installed to the one end that slide bar 846 kept away from hollow loop bar 845, a plurality of guide rings 849 are evenly installed to the both sides about hollow lead screw 835 inner wall, and the slip is provided with No. one wire rope 850 in the guide spout 841, no. one wire rope 850 wears to locate in two guide rings 849 that correspond from top to bottom, no. one wire rope 850 one end fixedly connected with is on circular through-hole 833 inner wall, the other end fixedly connected with extension spring 851 No. one, the end fixedly connected with of extension spring 851 is on connecting plate 843, a plurality of mounting grooves 852 have been evenly seted up to the optical axis section outer wall of hollow lead screw 835 upside in circumference, install No. two extension springs 853 in the mounting groove 852, no. two extension springs 853's end fixedly connected with on the cambered surface under the arc 842.
When dust particles attached to the upper part of the inner wall of the incinerator 3 slide into the annular supporting tube 81 from the funnel-shaped plate 6, the circular sealing plate 113 is withdrawn from the annular supporting tube 81, the dust particles sliding into the annular supporting tube 81 fall onto the ash blocking plate 838, the dust collector 122 is controlled to suck out the dust particles sliding onto the ash blocking plate 838 through the -shaped conveying tube 121, the hollow screw 835 is driven to rotate by the first forward and backward rotating motor 831 to move upwards under the action of the screw nut 837, the hollow screw 835 and the matching sliding block 834 and the matching sliding chute 836 slide relatively until the upper end of the hollow screw 835 extends out of the annular supporting tube 81, at the moment, the plurality of arc-shaped plates 842 are gradually pulled to be perpendicular to the hollow screw 835 under the action of the corresponding first tension springs 851 and the first steel wire ropes 850, the plurality of first steel wire ropes 850 can be prevented from following the hollow screw 835 to rotate under the action of the corresponding guide rings 849, after the upper end of the hollow screw nut 837 extends out of the annular supporting tube 832, the plurality of corresponding high-temperature-resistant rods 848 are gradually moved away from the corresponding brush 848 to the arc-shaped plate 848 until the corresponding high-temperature-resistant rods are completely contacted with the arc-shaped brush 848.
It should be noted that, at the beginning, the cleaning mechanism 84 is located in the annular supporting tube 81, the outer wall of the cleaning mechanism 84, which is close to the annular supporting tube 81, is in a furled shape, the hollow lead screw 835 is at the lowest position, that is, the bottom end of the hollow lead screw 835 contacts with the bottom end of the circular through hole 833, the circular sealing plate 113 is located in the annular supporting tube 81, and the circular sealing plate 113 is located above the cleaning mechanism 84, after the circular sealing plate 113 moves out of the annular supporting tube 81 to the right, the hollow lead screw 835 starts to move upwards, the circular sealing plate 113 is the hollow lead screw 835 and the cleaning mechanism 84 moves upwards to avoid, after the cleaning mechanism 84 is retracted into the annular supporting tube 81, the circular sealing plate 113 moves leftwards to close the upper end opening of the annular supporting tube 81, thereby playing a blocking role on smoke, and avoiding incomplete combustion caused by the smoke blowing into the annular supporting tube 81.
Then, the drive shaft 832 is controlled by the first forward and reverse rotation motor 831 to drive the hollow screw 835 to rotate reversely, under the action of the screw nut 837, the hollow screw 835 moves downwards until the hollow screw 835 returns to the original position, the ash blocking plate 838 is attached to the screw nut 837, during this period, the plurality of arc plates 842 are gradually pulled to the original position under the action of the corresponding second tension spring 853 and the first steel wire rope 850, that is, the included angle between the plurality of arc plates 842 and the annular support tube 81 is an acute angle, and when the hollow screw 835 moves downwards, the hollow screw 835 drives the plurality of high-resistance Wen Huxing hairbrushes 848 to rotate and simultaneously moves downwards slowly, so as to clean dust particles attached to the funnel-shaped plate 6, the dust particles are collected into the annular supporting tube 81 and fall on the ash blocking plate 838, under the action of the compression springs 847, the corresponding high-temperature-resistant arc-shaped brushes 848 gradually collide with the inner walls of the funnel-shaped plate 6 and the annular supporting tube 81 and move towards one end close to the hollow loop bar 845 until the dust particles retract to the original position, the dust collector 122 is controlled to suck the dust particles sliding onto the ash blocking plate 838 through the -shaped conveying tube 121 again, the rotary lifting mechanism 83 is matched with the cleaning mechanism 84, the dust particles attached to the upper side of the inner wall of the incinerator 3 and the upper part of the funnel-shaped plate 6 can be cleaned, and the dust particles are uniformly discharged out of the incinerator 3 by the dust collector 122, so that the problem that the filter holes 7 are blocked is effectively avoided, and chemical smoke after combustion cannot smoothly lead to the discharge of the air outlet tube 14 at the lower side of the incinerator 3 is solved.
After the cleaning of the upper side of the inner wall of the incinerator 3 and the funnel-shaped plate 6 is finished, the corresponding gear post 102 and the rack 99 are respectively controlled by the two second positive and negative rotating motors 101 to drive the annular sleeve plate 95 to move upwards together until the annular sleeve plate 92 moves downwards under the action of the third tension spring 93 and the second steel wire rope 98 until the annular sleeve plate 95 moves upwards to the uppermost end of the second rectangular chute 94, at the moment, the annular sleeve plate 92 moves downwards to a position which is attached to the funnel-shaped plate 6, meanwhile, the annular sleeve plate 95 drives the lengthened round rod 116 positioned at the upper side to move upwards through the supporting rod 115, the lengthened round rod 116 positioned at the upper side drives the telescopic end of the telescopic rod 117 to move upwards, at the moment, the telescopic end of the telescopic rod 117 rotates around the lengthened round rod 116 positioned at the upper side by a certain angle, and the telescopic end of the telescopic rod 117 is pushed back to the original position, during which the telescopic rod 117 drives the push rod 114 to move inwards through the lengthened round rod 116 positioned at the lower side until the push rod 114 drives the round sealing plate 113 to move leftwards to the original position, at the moment, the round sealing plate 113 is in sealing fit with the inner wall of the annular supporting tube 81, and it is required to explain that all parts in the invention are made of high-temperature resistant materials, and the dust collection unit 12, the furnace wall cleaning unit 9, the ash blocking switch unit 11 and the rotary lifting mechanism 83 are matched with the cleaning mechanism 84, so that the inner wall of the incinerator 3 and the funnel-shaped plate 6 can be cleaned, the chemical flue gas transmission efficiency is effectively improved, and the round sealing plate 113 can be driven to reciprocate leftwards and rightwards, so that the effect of automatically controlling whether the annular supporting tube 81 is sealed or not according to the cleaning work needs is achieved.
In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (6)
1. A fine chemical industry factory flue gas treatment method is characterized in that: the fine chemical factory flue gas treatment method specifically comprises the following steps:
s1, high-temperature incineration and filtration: introducing chemical flue gas generated by a flammable gas chemical plant into high-temperature incineration filtering equipment for high-temperature incineration filtering treatment to remove incompletely combusted flammable gas in the chemical flue gas;
s2, wet dedusting: carrying out wet dust removal treatment on the chemical flue gas subjected to the high-temperature incineration filtration in the first step to remove dust particles in the chemical flue gas;
s3, desulfurization and denitrification: carrying out desulfurization and denitrification treatment on the chemical flue gas subjected to the wet dust removal treatment in the second step to remove sulfur dioxide and nitrogen oxides in the chemical flue gas;
s4, deodorizing: deodorizing the chemical flue gas subjected to desulfurization and denitrification in the step three to remove odor substances of the chemical flue gas;
s5, fume emission: the purified chemical flue gas is discharged into the atmosphere through a discharge pipeline;
the step S1 is completed by adopting a high-temperature incineration filter device, and specifically comprises an annular mounting plate (2) with four supporting legs (1) uniformly distributed at the lower end in a circumference manner, wherein an incinerator (3) is mounted on the inner wall of the annular mounting plate (2), a combustor (5) is mounted on the upper inner side of the incinerator (3) through a plurality of hanging rods (4) uniformly distributed in the circumference manner, a funnel-shaped plate (6) with a circular notch in the middle is mounted on the lower side of the combustor (5) on the inner wall of the incinerator (3), a plurality of filter holes (7) are uniformly formed in the funnel-shaped plate (6), a brush cleaning unit (8) is arranged on the lower side of the incinerator (3) corresponding to the funnel-shaped plate (6), an ash blocking switch unit (11) is jointly arranged on the outer wall of the incinerator (3), and the brush cleaning unit (8) and the furnace wall brush cleaning unit (9), and a dust collection unit (12) are arranged on the annular mounting plate (2).
An air inlet pipe (13) is arranged in the middle of the upper end of the incinerator (3) in a penetrating manner, an air supplementing pipe (15) is arranged in the right side of the upper end of the incinerator (3) in a penetrating manner, and an air outlet pipe (14) is arranged in the lower side of the upper end left side incinerator (3) in a penetrating manner;
the brush cleaning unit (8) comprises an annular supporting tube (81) which is arranged at the lower end of the incinerator (3) in a penetrating mode, the upper end of the annular supporting tube (81) is connected to the lower end of the funnel-shaped plate (6), a supporting plate (82) is rotatably arranged at the lower end of the annular supporting tube (81), a rotary lifting mechanism (83) is arranged in the annular supporting tube (81), and a cleaning mechanism (84) is arranged on the rotary lifting mechanism (83);
the rotary lifting mechanism (83) comprises an annular supporting tube (81), a first positive and negative rotating motor (831) is arranged on the lower side of the annular supporting tube through a motor seat, a transmission shaft (832) is connected to an output shaft of the first positive and negative rotating motor (831), the transmission shaft (832) is installed on a supporting plate (82) in a penetrating mode, a circular through hole (833) is formed in the upper end of the transmission shaft (832), a matching sliding block (834) is symmetrically arranged on the inner wall of the circular through hole (833), a hollow lead screw (835) is arranged in the inner wall of the circular through hole (833) in a sliding mode, the upper end and the lower end of the hollow lead screw (835) are optical axis sections, the optical axis sections of the lower side of the hollow lead screw (835) correspond to the left and right matching sliding blocks (834) to be symmetrically provided with matching sliding grooves (836), the matching sliding blocks (834) are connected to the corresponding matching sliding grooves (836), a lead screw nut (837) is fixedly arranged in the middle of the annular supporting tube (81), the lead screw nut (837) is connected to the hollow lead screw (835) through threads, an ash blocking plate (838) is fixedly sleeved on the outer wall of the hollow lead screw (835), and the ash blocking plate (838) is attached to the inner wall of the annular supporting tube.
2. The fine chemical plant flue gas treatment method according to claim 1, wherein: the cleaning mechanism (84) comprises a plurality of guide sliding grooves (841) which are uniformly formed in the circumference at the upper end of a hollow lead screw (835), a plurality of arc plates (842) are uniformly hinged to the upper end of the outer wall of the hollow lead screw (835), the lower cambered surface of the arc plates (842) corresponds to the outer wall of the upper side optical shaft section of the hollow lead screw (835), a connecting plate (843) is arranged at one end, far away from the hollow lead screw (835), of the arc plates (842), limiting plates (844) are symmetrically arranged on the arc plates (842), hollow sleeve rods (845) are fixedly arranged at the upper ends of the connecting plate (843) and the two limiting plates (844) through mounting seats, sliding rods (846) are slidably arranged in the hollow sleeve rods (845), one end of a sliding rod (846) close to the hollow sleeve rod (845) is connected to the inner wall of the hollow sleeve rod (845) through a compression spring (847), one end of the sliding rod (846) far away from the hollow sleeve rod (845) is provided with a high-temperature-resistant arc-shaped brush (848), the upper side and the lower side of the inner wall of the hollow screw rod (835) are respectively provided with a plurality of guide rings (849) in a circumference uniformly, a first steel wire rope (850) is arranged in the sliding way of the guide sliding groove (841), the first steel wire rope (850) is arranged in the two guide rings (849) corresponding to the upper side and the lower side in a penetrating way, one end of the first steel wire rope (850) is fixedly connected to the inner wall of the circular through hole (833), and the other end of the first steel wire rope is fixedly connected with a first tension spring (851), the tail end of a first tension spring (851) is fixedly connected to the connecting plate (843), a plurality of mounting grooves (852) are uniformly formed in the circumference of the outer wall of the optical axis section at the upper side of the hollow screw (835), a second tension spring (853) is arranged in the mounting groove (852), and the tail end of the second tension spring (853) is fixedly connected to the lower cambered surface of the arc plate (842).
3. The fine chemical plant flue gas treatment method according to claim 1, wherein: the furnace wall hairbrush cleaning unit (9) comprises a plurality of first rectangular sliding grooves (91) which are uniformly formed in the circumference of the upper side of the inner wall of the incinerator (3), annular scraping plates (92) are mounted on the first rectangular sliding grooves (91) in a sliding mode, third tension springs (93) are mounted in the first rectangular sliding grooves (91) of the incinerator (3), and the upper ends of the third tension springs (93) are fixedly connected to the annular scraping plates (92).
4. A fine chemical plant flue gas treatment method according to claim 3, wherein: the utility model discloses a motor post that burns, burn burning furnace (3) outer wall upside and be the circumference evenly offered a plurality of No. two rectangle spouts (94), a plurality of No. two rectangle spouts (94) are the common slidable mounting and are located annular sleeve board (95) on burning furnace (3), burn burning furnace (3) outer wall and be circumference evenly offered a plurality of circular pilot hole (96) that communicate in No. one rectangle spout (91) and No. two rectangle spouts (94), burn burning furnace (3) outer wall and correspond circular pilot hole (96) the position and install friction reducing snap ring (97), friction reducing snap ring (97) wear together in with circular pilot hole (96) No. two wire rope (98), and No. two wire rope (98) one end fixed connection are on annular scraping wallboard (92), the other end fixed connection is on annular sleeve board (95), rack (99) are installed to the symmetry on annular sleeve board (95), support leg (1) and annular mounting plate (2) correspond rack (99) jointly and have been seted up and dodge hole (100), install No. two positive and negative motor (101) through the seat on annular mounting plate (2), no. two positive and negative motor (102) of output shaft change and gear (102) are connected with motor post (102) and are corresponding to motor post.
5. The fine chemical plant flue gas treatment method according to claim 4, wherein: the ash blocking switch unit (11) comprises an extension plate (111) arranged on the right upper side of the outer wall of the annular support tube (81), a sliding hole (112) penetrating through the annular support tube (81) is formed in the extension plate (111), a round sealing plate (113) is arranged in the sliding hole (112) in a sliding mode, a push rod (114) penetrating through the extension plate (111) and the incinerator (3) in sequence is arranged at the right end of the round sealing plate (113), a support rod (115) is arranged at the lower end of the annular sleeve plate (95) corresponding to the push rod (114), lengthening round rods (116) are arranged at the right ends of the push rod (114) and the support rod (115), telescopic rods (117) are hinged to the front end and the rear end of the lengthening round rods (116) located at the lower side, and the telescopic ends of the telescopic rods (117) are hinged to the lengthening round rods (116) located at the upper side.
6. The fine chemical plant flue gas treatment method according to claim 1, wherein: the dust collection unit (12) comprises a -shaped transmission pipe (121) arranged at the upper end of the annular mounting plate (2), the -shaped transmission pipe (121) is installed on the incinerator (3) in a penetrating mode, one pipe orifice end of the -shaped transmission pipe (121) is installed on the upper side of the annular supporting pipe (81) in a penetrating mode, the other pipe orifice end of the transmission pipe is installed on the upper side of the screw nut (837) in a penetrating mode, the annular mounting plate (2) is provided with a dust collector (122), and the dust collector (122) is communicated with the -shaped transmission pipe (121) through a connecting pipe (123).
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