CN113828116B - Energy-saving and environment-friendly desulfurizing tower capable of recycling waste heat - Google Patents

Energy-saving and environment-friendly desulfurizing tower capable of recycling waste heat Download PDF

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Publication number
CN113828116B
CN113828116B CN202111189941.0A CN202111189941A CN113828116B CN 113828116 B CN113828116 B CN 113828116B CN 202111189941 A CN202111189941 A CN 202111189941A CN 113828116 B CN113828116 B CN 113828116B
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China
Prior art keywords
driving
rod
pipe
guide
groove
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CN202111189941.0A
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CN113828116A (en
Inventor
朱荣彦
陈剑
周宇峰
范钧
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CHANGZHOU XINGANG THERMOELECTRICITY CO LTD
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CHANGZHOU XINGANG THERMOELECTRICITY CO LTD
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Priority to CN202111189941.0A priority Critical patent/CN113828116B/en
Publication of CN113828116A publication Critical patent/CN113828116A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456Removing acid components
    • B01D53/1481Removing sulfur dioxide or sulfur trioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80Semi-solid phase processes, i.e. by using slurries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/08Arrangements of devices for treating smoke or fumes of heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02Cleaning furnace tubes; Cleaning flues or chimneys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02Cleaning furnace tubes; Cleaning flues or chimneys
    • F23J3/026Cleaning furnace tubes; Cleaning flues or chimneys cleaning the chimneys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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

Abstract

The invention discloses an energy-saving and environment-friendly desulfurizing tower for recycling waste heat, which belongs to the technical field of desulfurization and comprises a desulfurizing tower body, wherein a smoke inlet pipe is arranged on the side wall of the desulfurizing tower body, a heat exchange mechanism for absorbing the temperature of desulfurizing liquid in the desulfurizing tower body is arranged outside the desulfurizing tower body, a smoke exhaust chimney is arranged at the top end of the desulfurizing tower body, a heating mechanism and a deslagging mechanism are arranged in the smoke exhaust chimney, the heating mechanism is used for heating the inner wall of the smoke exhaust chimney and the desulfurized smoke of the desulfurizing tower body by utilizing the heat energy absorbed by the heat exchange mechanism, and the deslagging mechanism is used for removing corrosive impurities attached to the inner wall of the smoke exhaust chimney.

Description

Energy-saving and environment-friendly desulfurizing tower capable of recycling waste heat
Technical Field
The invention relates to the technical field of desulfurization, in particular to an energy-saving and environment-friendly desulfurization tower for recycling waste heat.
Background
The desulfurizing tower is tower equipment for desulfurizing industrial waste gas. The prior desulfurizing tower generally adopts a spraying mode to carry out desulfurization treatment, absorbent slurry is sprayed downwards from the top of the desulfurizing tower through atomization in the absorbing tower, flue gas flows upwards from the bottom of the desulfurizing tower to contact with the absorbent slurry, and the absorbent slurry absorbs sulfur dioxide in the flue gas.
The existing desulfurizing tower is in the flue gas desulfurization process, when the temperature of flue gas at the inlet of the desulfurizing tower is greatly reduced and fluctuated, the flue gas outlet of the desulfurizing tower is reduced in temperature, and because the flue gas outlet of the desulfurizing tower is in contact with the external environment, when the flue gas outlet is lower in temperature difference, water vapor in flue gas is liquefied and carries corrosive impurities in the flue gas to adhere to the flue gas outlet of the desulfurizing tower, the flue gas outlet is corroded, the damage of desulfurizing tower equipment possibly caused under long-term corrosion is reduced, the sulfur content of the flue gas is greatly improved, the atmospheric environment is seriously damaged, and great harm is caused to human beings.
Based on the above, the invention designs an energy-saving and environment-friendly desulfurizing tower for recycling waste heat so as to solve the problems.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly desulfurizing tower for recycling waste heat, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an energy-concerving and environment-protective desulfurizing tower of waste heat recycling, its includes the desulfurizing tower body, the tobacco pipe is advanced to desulfurizing tower body lateral wall installation, the externally mounted of desulfurizing tower body has the heat transfer mechanism that is used for absorbing the internal desulfurizing liquid temperature of desulfurizing tower, the top of desulfurizing tower body is provided with chimney that discharges fume, install heating mechanism, deslagging mechanism in the chimney that discharges fume, heating mechanism is used for utilizing the heat energy absorbed by heat transfer mechanism to heat up the heating to the inner wall of chimney and the flue gas after the desulfurizing tower body desulfurization, deslagging mechanism is used for getting rid of the corrosive impurity that is attached to on the chimney inner wall that discharges fume.
Further, the heat exchange mechanism comprises a liquid collecting pipe which is sleeved outside the desulfurizing tower body and is annular, annular liquid guide pipes are coaxially arranged in the liquid collecting pipe, two liquid collecting pipes are arranged and are distributed at intervals up and down, the two liquid collecting pipes are communicated through a plurality of heat radiating pipes, the liquid collecting pipe located below is communicated with desulfurizing liquid in the desulfurizing tower body through a flow guide pipe, the liquid collecting pipe located above is communicated with the desulfurizing tower body through a return pipe, the two liquid collecting pipes are communicated through the heat exchange pipes, the heat exchange pipe is sleeved in the heat radiating pipes, a plurality of heat exchange pipes are correspondingly arranged, annular guide rails are arranged in the area between the heat exchange pipes and the heat radiating pipes, cold water liquid inlets are arranged on the liquid guide pipes located below, and hot water liquid outlet pipes are arranged on the liquid guide pipes located above.
Further, the deslagging mechanism comprises a driving assembly, a slag scraping assembly and a cleaning assembly, wherein the slag scraping assembly is used for scraping corrosive impurities attached to the inner wall of the smoke exhaust chimney, the driving assembly is used for driving the slag scraping assembly to reciprocate in the vertical direction by utilizing fluid kinetic energy in a hot water liquid outlet pipe, and the cleaning assembly is used for extracting hot water in the hot water liquid outlet pipe and cleaning the residual corrosive impurities on the slag scraping assembly at fixed points.
Further, the drive assembly comprises a mounting cylinder which is vertically and fixedly mounted in the desulfurizing tower body and is provided with an inner cavity, a first mounting plate is coaxially and fixedly mounted in the mounting cylinder, a second mounting plate is fixedly mounted between the first mounting plate and the lower end surface of the mounting cylinder, a driving area is formed between the second mounting plate in the mounting cylinder and the bottom end of the mounting cylinder, a driving area is formed between the first mounting plate and the second mounting plate, a connecting shaft is vertically and movably mounted in the driving area, the upper end of the connecting shaft extends into the driving area, a plurality of impellers are mounted on an outer circumferential array of the connecting shaft, and the liquid outlet end of the hot water liquid outlet pipe is communicated with the driving area.
Further, the heating mechanism comprises a spiral heating pipe arranged on the inner wall of the smoke exhaust chimney, the liquid inlet end of the spiral heating pipe is communicated with the driving area through a first heat conduction pipe, and the liquid outlet pipe of the spiral heating pipe is connected with a liquid discharge pipe;
the installation cylinder is coaxially and movably provided with a driving rod, the lower end of the driving rod extends into a transmission area, the upper end of the driving rod extends to a smoke outlet of the smoke exhaust chimney, and a turning component which is used for receiving the power of the linkage shaft and driving the driving rod to periodically switch between forward rotation and reverse rotation is arranged in the transmission area.
Further, the diversion component comprises a driving gear fixedly connected with the upper end of a linkage shaft, a driven gear fixedly connected with the lower end of a driving rod and a linkage shaft vertically movably mounted in a transmission area, wherein the linkage shaft is provided with two linkage shafts and symmetrically distributed on two sides of the driving gear along the axis of the driving rod, a driving gear and a diversion gear are coaxially and fixedly sleeved outside the linkage shaft, the driving gear is in meshed connection with the driving gear, the diversion gear is of a half-gear structure, and when one diversion gear is in meshed connection with the driven gear, the other diversion gear is out of meshed with the driven gear.
Further, the cleaning assembly comprises a pumping piston which is slidably arranged in the mounting cylinder, a spraying member which is fixedly arranged on the inner wall of the desulfurizing tower body, and a lifting disk which is coaxially sleeved outside the driving rod in a sliding way, wherein the pumping piston is positioned above the first mounting plate, the pumping piston is slidably sleeved outside the driving rod, a region formed between the pumping piston and the first mounting plate in the mounting cylinder is a pumping region, the spraying member is arranged between the smoke exhaust chimney and the mounting cylinder, the spraying member is communicated with the pumping region through a cleaning pipe, the pumping region is communicated with a hot water liquid outlet pipe through a second heat pipe, a one-way valve which controls fluid in the second heat pipe to flow into the pumping region in a one-way is arranged on the second heat pipe, a driving piece is arranged between the lifting disk and the driving rod, the driving rod is driven to reciprocate in the vertical direction through the driving piece, a guide rod is arranged in the lifting disk in a coaxial way, the lower end of the guide rod is fixedly arranged on the top end face of the mounting cylinder through the top end face of the pumping piston, the upper end of the smoke exhaust chimney extends to the periphery of the smoke exhaust chimney, a plurality of guide rods are arranged along the circumference of the guide rods, and the spraying member is arranged in the guide plate array;
the driving piece comprises a lifting sliding block fixedly installed on the inner wall of the lifting disk and a lifting groove formed in the outer wall of the driving rod, and the lifting sliding block is located in the lifting groove and forms sliding guide fit with the lifting sliding block.
Further, the trigger component is including setting up in the guide bar the mounting groove, set up in the trigger groove of pumping the piston, set up in the lifter and with the coaxial locking groove who arranges of guide bar, through the spread groove switch-on of seting up in the guide bar between mounting groove and the trigger groove, slidable mounting has the trigger bar in the spread groove, the upper end of trigger bar extends to the mounting groove and is provided with locking spring between the upper end of trigger bar and the mounting groove, a plurality of sliding tray around trigger bar axis direction array distribution has been seted up in the mounting groove, slidable mounting has the locking plate in the sliding tray, be provided with the articulated pole between locking plate and the trigger bar, the one end of articulated pole articulates on the trigger bar, the other end articulates on the locking plate, slidable mounting has the spacing post in the trigger groove, the one end of spacing post is contradicted on the pole wall of actuating lever, is provided with spacing spring between the other end and the trigger groove, the guide groove has been seted up the guide slot on the outer wall of spacing post, the lower extreme of trigger bar is on the spacing post, be provided with the locking ring on the guide bar, be provided with between rotatory spacing dish and the lifter.
Further, scrape sediment subassembly including the outside rotatory section of thick bamboo of coaxial movable mounting elevating disc, install the arc scraper blade through elastic component elastic mounting on the outer periphery of rotatory section of thick bamboo, the arc scraper blade is provided with a plurality of and along the circumference line array distribution of preventing of rotatory section of thick bamboo, the elastic component includes the flexible section of thick bamboo of fixed mounting on rotatory section of thick bamboo outer wall, coaxial slidable mounting has the telescopic link in the flexible section of thick bamboo, the one end of telescopic link extends to the outside of flexible section of thick bamboo and with the back of the body cambered surface fixed connection of arc scraper blade, is provided with the expansion spring between the other end of telescopic link and the flexible section of thick bamboo.
Further, be provided with the drive assembly who is used for driving a plurality of arc scraper blade along lifting disk circumferencial direction synchronous rotation between rotary drum and the lifting disk, drive assembly includes that movable mounting is last drive shaft section of thick bamboo, coaxial fixed cover of lifting disk establish the ring gear at rotary drum top terminal surface, drive shaft section of thick bamboo slip cap is established in the outside of guide bar and is provided with a plurality of correspondingly, drive shaft section of thick bamboo's outside fixed cover is equipped with drive gear, drive gear and ring gear meshing are connected, still be provided with the driving medium between drive shaft section of thick bamboo and the guide bar, and works as when drive shaft section of thick bamboo moves along the axis direction of guide bar, the guide bar drives drive shaft section of thick bamboo through the driving medium and rotates, the driving medium is including seting up screw groove on the guide bar, the fixed drive piece that sets up on drive shaft section of thick bamboo inner wall, the drive piece is located the screw groove and constitutes sliding guide cooperation with the screw groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the lifting disc performs reciprocating motion in the vertical direction, so that the arc-shaped scraping plate is driven to scrape corrosive impurities attached to the inner wall of the smoke exhaust chimney and the spiral heating pipe, and the problem that the spiral heating pipe cannot effectively heat the smoke exhaust in the smoke exhaust chimney due to lower smoke inlet temperature in the smoke inlet pipe is avoided, so that the corrosive impurities are attached to the surface of the smoke exhaust chimney and the surface of the spiral heating pipe, corrode the smoke exhaust chimney and the spiral heating pipe, and the service life of equipment is influenced.
2. In the invention, the cleaning component moves upwards and starts to store water in the water pumping area in the process that the slag scraping component moves from the desulfurizing tower body to the smoke inlet of the smoke exhaust chimney, and the water pumping piston moves downwards and extrudes water in the water pumping area into the cleaning component in the process that the slag scraping component moves downwards after scraping corrosive impurities on the inner wall of the smoke exhaust chimney and moves downwards from the smoke inlet of the smoke exhaust chimney, and the slag scraping component starts to clean through the cleaning component, so that the corrosive impurities attached to the slag scraping component can be removed through cleaning, the service life of equipment is prolonged, and the cleaning is performed in a fixed-point spraying mode, so that the influence of cleaning water on the humidity of smoke is reduced, and the corrosion of the smoke is prevented from being increased due to overhigh humidity of the smoke.
3. In the invention, the cleaning water stored in the water pumping area in the cleaning component is hot water in the heat exchange mechanism, and the hot water injection can avoid the corrosion of the flue gas to the smoke exhaust chimney caused by the temperature drop of the flue gas after desulfurization due to temperature difference.
4. When the arc scraping plates scrape corrosive impurities attached to the inner wall of the smoke exhaust chimney and the spiral heating pipe, the spiral heating pipe is coaxially inlaid on the inner wall of the smoke exhaust chimney, so that the arc scraping plates only do vertical movement and cannot thoroughly scrape the corrosive impurities attached to the inner wall of the smoke exhaust chimney and the spiral heating pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a general cross-sectional view of the present invention;
FIG. 3 is an exploded view of the heat exchange mechanism of the present invention;
FIG. 4 is a schematic diagram of the deslagging mechanism of the invention;
FIG. 5 is a cross-sectional view of the mounting cylinder of the present invention;
FIG. 6 is a schematic view of the direction changing component structure of the present invention;
FIG. 7 is a diagram showing the fit between the pumping piston and the guide rod of the present invention;
FIG. 8 is an enlarged view of the invention A;
FIG. 9 is a schematic view of the trigger member of the present invention;
FIG. 10 is a mating view of the rotary drum and arcuate flight of the present invention;
FIG. 11 is an exploded view of the elastic member of the present invention;
FIG. 12 is a mating view of the guide rod and drive shaft cartridge of the present invention;
fig. 13 is a diagram showing the fit between the drive shaft cylinder and the transmission gear of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the desulfurizing tower body 1, the smoke inlet pipe 2, the flow guide pipe 3, the collector pipe 4, the radiating pipe 5, the return pipe 6, the liquid inlet nozzle 7, the first heat pipe 8, the second heat pipe 9, the liquid guide pipe 11, the heat exchange pipe 12, the spiral guide rail 13, the mounting cylinder 14, the third heat pipe 15, the check valves 16, 18, the spiral heating pipe 18, the liquid outlet pipe 19, the cleaning pipe 20, the cleaning member 21, the driving rod 22, the guide rod 23, the lifting disk 24, the arc scraping plate 25, the pumping piston 26, the impeller 27, the lifting groove 28, the limiting groove 29, the driving gear 30, the driving gear 31, the turning gear 32, the driven gear 33, the connecting shaft 34, the rotating groove 35, the lifting slide block 36, the triggering groove 37, the triggering groove 38, the sliding groove 39, the locking groove 40, the connecting groove 41, the triggering rod 42, the locking spring 43, the hinging rod 44, the locking plate 45, the limiting post 46, the guiding groove 47, the limiting spring 48, the driving cylinder 49, the rotating cylinder 50, the telescopic cylinder 51, the telescopic rod 52, the driving gear 53, the driving block 54 and the telescopic spring 55.
Detailed Description
Referring to fig. 1-13, the present invention provides a technical solution: the utility model provides an energy-concerving and environment-protective desulfurizing tower of waste heat recycling, it includes the desulfurizing tower body, the tobacco pipe 2 is advanced to desulfurizing tower body lateral wall installation, the externally mounted of desulfurizing tower body has the heat transfer mechanism that is used for absorbing the internal desulfurizing liquid temperature of desulfurizing tower, the top of desulfurizing tower body is provided with chimney 10 that discharges fume, install heating mechanism in the chimney 10 that discharges fume, slag removal mechanism, heating mechanism is used for utilizing the heat energy that heat transfer mechanism absorbed to heat up the heating to chimney 10's inner wall and the flue gas after the desulfurizing tower body desulfurization, slag removal mechanism is used for getting rid of the corrosive impurity that is attached to on chimney 10 inner wall.
As a further scheme of the invention, the heat exchange mechanism comprises a liquid collecting pipe 4 which is sleeved outside the desulfurizing tower body and takes the shape of a ring, a plurality of annular liquid guide pipes 11 are coaxially arranged in the liquid collecting pipe 4, two liquid collecting pipes 4 are arranged and are vertically distributed at intervals, the two liquid collecting pipes 4 are communicated through a plurality of radiating pipes 5, the liquid collecting pipe 4 positioned below is communicated with desulfurizing liquid in the desulfurizing tower body through a flow guide pipe 3, the liquid collecting pipe 4 positioned above is communicated with the desulfurizing tower body through a return pipe 6, the two liquid guide pipes 11 are communicated through heat exchange pipes 12, the heat exchange pipes 12 are sleeved in the radiating pipes 5, a plurality of heat exchange pipes 12 are correspondingly arranged, cold water liquid inlets 7 are arranged on the liquid guide pipes 11 positioned below, and hot water liquid outlets 8 are arranged on the liquid guide pipes 11 positioned above.
More optimally, in order to achieve the heat exchange effect between the desulfurizing liquid in the radiating pipe 5 and the cooling water in the heat exchange pipe 12, an annular guide rail 13 is arranged in the area between the heat exchange pipe 12 and the radiating pipe 5, and the flow stroke of the desulfurizing liquid in the radiating pipe 5 is increased through the arrangement of the annular guide rail, so that the heat exchange effect of the desulfurizing liquid and the cooling water in the heat exchange pipe 12 is improved.
During operation, high-temperature flue gas to be desulfurized is guided into the desulfurizing tower body through the smoke inlet pipe 2 to be desulfurized, the desulfurized flue gas is discharged outwards through the smoke exhaust chimney 10, meanwhile, the desulfurizing liquid heated by the high-temperature flue gas in the desulfurizing tower body flows into the radiating pipe 5 through the guide pipe 3 and exchanges heat with cooling water in the heat exchange pipe 12 through the guide of the annular guide rail 13, at the moment, the temperature of the desulfurizing liquid is reduced and flows into the desulfurizing tower body 1 through the return pipe 6 again to continuously desulfurize the high-temperature flue gas in the desulfurizing tower body 1, and the desulfurizing efficiency of the desulfurizing liquid after the temperature reduction to the high-temperature flue gas is greatly improved due to the temperature reduction of the desulfurizing liquid, the temperature of the cooling water of the heat exchange pipe 12 is increased to be hot water, and the hot water flows into the heating mechanism and the impurity removing mechanism through the liquid outlet pipe 8.
As a further scheme of the invention, the deslagging mechanism comprises a driving assembly, a slag scraping assembly and a cleaning assembly, wherein the slag scraping assembly is used for scraping corrosive impurities attached to the inner wall of the smoke exhaust chimney 10, the driving assembly is used for driving the slag scraping assembly to reciprocate in the vertical direction by utilizing the fluid kinetic energy in the hot water outlet pipe 8, and the cleaning assembly is used for extracting hot water in the hot water outlet pipe 8 and cleaning the residual corrosive impurities on the slag scraping assembly at fixed points.
As a further scheme of the invention, the driving assembly comprises a mounting cylinder 14 which is vertically and fixedly mounted in the desulfurizing tower body and is provided with an inner cavity, a first mounting plate 141 is coaxially and fixedly mounted in the mounting cylinder 14, a second mounting plate 142 is fixedly mounted between the first mounting plate 141 and the lower end surface of the mounting cylinder 14, a region formed between the second mounting plate 142 in the mounting cylinder 14 and the bottom end of the mounting cylinder 14 is a driving region, a region formed by the first mounting plate 141 and the second mounting plate 142 is a transmission region, a connecting shaft 34 is vertically and movably mounted in the driving region, the upper end of the connecting shaft 34 extends into the transmission region, a plurality of impellers 27 are mounted on the outer circumference array of the connecting shaft 34, and the liquid outlet end of the hot water liquid outlet pipe 8 is communicated with the driving region.
The heating mechanism comprises a spiral heating pipe 18 arranged on the inner wall of the smoke exhaust chimney 10, the liquid inlet end of the spiral heating pipe 18 is communicated with the driving area through a first heat conduction pipe 9, and the liquid outlet pipe of the spiral heating pipe 18 is connected with a liquid discharge pipe 19;
the mounting cylinder 14 is coaxially and movably provided with a driving rod 22, the lower end of the driving rod 22 extends into a transmission area, the upper end of the driving rod 22 extends to a smoke outlet of the smoke discharging chimney 10, and a direction changing component for receiving the power of the linkage shaft 34 and driving the driving rod 22 to periodically switch between forward rotation and reverse rotation is arranged in the transmission area.
During operation, hot water discharged by the liquid outlet pipe 8 flows into a driving area in the mounting cylinder 14 and then flows into the spiral heating pipe 18 by the first heat conducting pipe 9, and the hot water of the spiral heating pipe 18 heats the inner wall of the smoke exhaust chimney 10 and smoke in the smoke exhaust chimney 10 through the pipe wall, so that the condition that the inner wall of the smoke exhaust chimney 10 is corroded due to low smoke temperature in the smoke exhaust chimney 10 is effectively prevented;
meanwhile, in the process that hot water flows from the liquid outlet pipe 8 to the first heat conducting pipe 9 through the driving area in the mounting cylinder 14, the impeller 27 is driven to rotate under the action of the kinetic energy of the flowing fluid, the impeller 27 rotates to drive the connecting shaft 34 to rotate, and the connecting shaft 34 rotates to drive the driving rod 22 to rotate in a positive and then negative cycle through the turning component.
As a further scheme of the invention, the direction changing component comprises a driving gear 30 fixedly connected with the upper end of a connecting shaft 34, a driven gear 33 fixedly connected with the lower end of a driving rod 22, and the connecting shaft 34 vertically movably installed in a transmission area, wherein the connecting shaft 34 is provided with two driving gears 31 and a direction changing gear 32 symmetrically distributed on two sides of the driving gear 30 along the axis of the driving rod 22, the driving gear 31 and the direction changing gear 32 are coaxially and fixedly sleeved outside the connecting shaft 34, the driving gear 31 is in meshed connection with the driving gear 30, and when one direction changing gear 32 is in a half-gear structure and one direction changing gear 32 is in meshed connection with the driven gear 33, the other direction changing gear 32 is out of meshed with the driven gear 33.
When the driving device works, the driving gear 30 is driven to rotate simultaneously by the rotation of the driving shaft 34, the rotation gear 30 drives the two driving shafts 34 to rotate through the two driving gears 31, the two direction-changing gears 32 are driven to synchronously rotate by the two driving shafts 34, when one direction-changing gear 32 drives the driving rod 22 to rotate forward and reversely through the driven gear 33 for one circle, the driving rod 22 is disengaged from the driven gear 33, at the moment, the other direction-changing gear 32 starts to be engaged with the driven gear 33 and drives the driving rod 22 to rotate reversely and one circle, and the repeated operation is realized, so that the driving rod 22 rotates alternately forward and reversely.
As a further scheme of the invention, the cleaning component comprises a pumping piston 26 which is slidably arranged in the mounting cylinder 14, a spraying component 21 which is fixedly arranged on the inner wall of the desulfurizing tower body and a lifting disk 24 which is coaxially and slidably sleeved outside the driving rod 22, the pumping piston 26 is positioned above the first mounting plate 141, the pumping piston 26 is slidably sleeved outside the driving rod 22, the area formed between the pumping piston 26 and the first mounting plate 141 in the mounting cylinder 14 is a water pumping area, the spraying component 21 is arranged between the smoke exhaust chimney 10 and the mounting cylinder 14, the spraying component 21 is communicated with the water pumping area through a cleaning pipe 20, the water pumping area is communicated with the hot water outlet pipe 8 through a second heat conducting pipe 15, the second heat conduction pipe 15 is provided with a one-way valve 16 for controlling fluid in the second heat conduction pipe 15 to flow into the water pumping area in a one-way, a driving piece is arranged between the lifting disk 24 and the driving rod 22, the driving rod 22 drives the lifting disk 24 to reciprocate in the vertical direction through the driving piece, the driving rod 22 is coaxially provided with an annular limiting groove 29, the lifting disk 24 is vertically sleeved with a guide rod 23 in a sliding manner, the lower end of the guide rod 23 fixedly passes through the top end of the mounting cylinder 14 and is fixedly arranged on the top end surface of the water pumping piston 26, the upper end of the guide rod is extended to the smoke outlet of the smoke exhaust chimney 10, the guide rod 23 is provided with a plurality of trigger members which are arranged along the circumferential direction of the lifting disk 24 and are used for controlling the spray members 21 to perform fixed-point spraying;
the driving piece comprises a lifting sliding block 36 fixedly arranged on the inner wall of the lifting disk 24 and a lifting groove 28 formed on the outer wall of the driving rod 22, wherein the lifting sliding block 36 is positioned in the lifting groove 28 and forms sliding guide fit with the lifting sliding block.
The trigger member comprises a mounting groove 38 arranged in the guide rod 23, a trigger groove 37 arranged in the pumping piston 26, and a locking groove 40 arranged in the lifting disc 24 and coaxially arranged with the guide rod 23, wherein the mounting groove 38 is communicated with the trigger groove 37 through a connecting groove 41 arranged in the guide rod 23, the trigger rod 42 is arranged in the connecting groove 41 in a sliding mode, the upper end of the trigger rod 42 extends into the mounting groove 38, a locking spring 43 is arranged between the upper end of the trigger rod 42 and the mounting groove 38, a plurality of sliding grooves 39 distributed in an array mode around the axis direction of the trigger rod 42 are arranged in the mounting groove 38, a locking plate 45 is arranged in the sliding groove 39 in a sliding mode, a hinge rod 44 is arranged between the locking plate 45 and the trigger rod 42, one end of the hinge rod 44 is hinged to the trigger rod 42, the other end of the hinge rod 44 is hinged to the locking plate 45, a limit post 46 is arranged in a sliding mode, one end of the limit post 46 is in a abutting mode on the rod wall of the driving rod 22, a limit spring 48 is arranged between the other end of the hinge rod and the trigger groove 37, a guide groove 47 is arranged on the outer wall of the limit post 46, a plurality of slide grooves 39 are distributed around the axis direction array, a plurality of sliding grooves 39 distributed around the axis direction of the trigger rod 42 are distributed in the sliding grooves 39 in the sliding grooves, one end is distributed around the sliding grooves 45, one end is arranged on the guide rings 231, and the limit posts 231 are arranged between the guide posts and the guide posts 23 are arranged in a limit posts 231, and the limit posts 231 are arranged.
The slag scraping assembly is coaxially and movably arranged on a rotary cylinder 50 outside the lifting disc 24, an arc scraping plate 25 is elastically arranged on the outer circumferential surface of the rotary cylinder 50 through an elastic piece, the arc scraping plate 25 is provided with a plurality of arc scraping plates and distributed along a circumference defense line array of the rotary cylinder 50, the elastic piece comprises a telescopic cylinder 51 fixedly arranged on the outer wall of the rotary cylinder 50, a telescopic rod 52 is coaxially and slidably arranged in the telescopic cylinder 51, one end of the telescopic rod 52 extends to the outside of the telescopic cylinder 51 and is fixedly connected with a back arc surface of the arc scraping plate 25, and a telescopic spring 55 is arranged between the other end of the telescopic rod 52 and the telescopic cylinder 51.
When the desulfurizing tower is in operation, the lifting disk 24 starts to move upwards from the desulfurizing tower body 1 under the guiding action of the guide rod 23 through the cooperation of the lifting block 36 and the lifting groove 28 while the driving rod 22 rotates forwards, at the moment, the lower end of the trigger rod 42 is abutted against the guide groove 47, one side of the locking plate 45, which is away from the hinging rod 44, is positioned in the locking groove 40 arranged in the lifting disk 24, the guide rod 23 and the lifting disk 24 synchronously move upwards, the guide rod 23 moves upwards and drives the pumping piston 26 to synchronously move upwards, the pumping area forms negative pressure while the pumping piston 26 moves upwards, the one-way valve 16 positioned on the third heat conducting pipe 15 is opened under the action of pressure difference, and hot water in the first heat conducting pipe 8 flows into the pumping area through the third guide pipe 15;
meanwhile, the lifting disk 24 moves upwards to drive the slag scraping assembly to synchronously move upwards, the lifting disk 24 moves to a smoke inlet of the smoke exhaust chimney 10, the outer cambered surface of the arc-shaped scraping plate 25 is in contact with the inner wall of the smoke exhaust chimney 10, at the moment, one end of the limiting post 46, which is away from the limiting spring 48, moves to the limiting groove 29 arranged on the driving rod 22 and is in abutting motion to the limiting groove 29 under the elastic force of the limiting spring 48, the limiting post 46 moves, meanwhile, the triggering rod 42 is driven to move upwards against the elastic force of the locking spring 43 under the guiding action of the guiding groove 47, the locking plate 45 is driven to move inwards in the radial direction through the hinging rod 44 until the lower end of the triggering rod 42 moves to the outer wall of the limiting post 46 from the guiding groove 47, and at the moment, the locking plate 45 is separated from the locking groove 40 and the locking between the guiding rod 23 and the lifting disk 24 is released;
when the lifting disc 24 continues to move upwards, at the moment, the guide rod 23 and the water pumping piston 26 stop, the plurality of arc-shaped scrapers 25 move upwards synchronously along with the lifting disc 24, the arc-shaped scrapers 25 move in the smoke exhaust chimney 10 and scrape corrosive impurities attached to the inner wall of the smoke exhaust chimney 10 and the spiral heating pipe 18 under the elastic action of the elastic piece while moving upwards until the driving rod 22 rotates forwards for one circle, at the moment, the lifting disc 24 moves to the smoke outlet of the smoke exhaust chimney 10, the driving rod 22 starts to rotate reversely under the action of the turning component and drives the lifting disc 24 to move downwards, and the arc-shaped scrapers 25 are driven to scrape the corrosive impurities attached to the inner wall of the smoke exhaust chimney 10 and the spiral heating pipe 18 again in the upward movement process of the lifting disc 24;
when the lifting disk 24 moves downwards to the edge of the smoke exhaust chimney 10 again, at this time, the arc scraping plate 25 is separated from the smoke exhaust chimney 10, the bottom end face of the lifting disk 24 is abutted against the limit ring 231 arranged on the guide rod 23 and applies an upward pressure to the guide rod 23, the guide rod 23 drives the limit column 46 to move radially outwards under the action of the pressure and enables one end of the limit column 46, which is separated from the limit spring 48, to separate from the limit groove 29 until the limit column 46 is abutted against the driving rod 22 again, simultaneously, the lower end of the trigger rod 42 moves downwards into the guide groove 47 from the outer wall of the limit column 46 under the action of the elasticity of the locking spring 43, and drives the locking plate 45 to move radially outwards through the hinging rod 44 until the locking plate 45 is inserted into the locking groove 40 again, and enables the guide rod 23 to lock with the lifting disk 25 (in this embodiment, the arc scraping plate 25 is driven to scrape corrosive impurities attached to the inner wall of the smoke exhaust chimney 10 and the spiral heating pipe 18 under the action of the pressure, so that the corrosive impurities in the smoke exhaust pipe 18 cannot corrode the smoke exhaust chimney 10 due to the fact that the smoke inlet temperature in the smoke inlet 2 is low, and the smoke inlet pipe 18 is heated up to the surface of the spiral heating pipe 10 is prevented;
when the lifting disk 24 continues to move downwards, the pumping piston 26 is driven to synchronously move downwards through the guide rod 23 and extrude the pumping area, hot water in the pumping area flows into the cleaning member 21 through the cleaning pipe 20 under the extrusion action of the pumping piston 26, and the slag scraping assembly is cleaned in the process that the slag scraping assembly moves downwards from the smoke inlet of the smoke exhaust chimney 10 until the driving rod 22 rotates reversely for a circle, and the slag scraping assembly is cleaned, so that the operation is repeatedly performed, and the problem of corrosion of the inner wall of the smoke exhaust chimney can be effectively solved. ( In this embodiment, the cleaning component is in the in-process that the slag scraping component moves from the desulfurizing tower body to the smoke inlet of the smoke stack 10, the pumping piston 26 moves upwards and begins to store water in the pumping area, in the in-process that the slag scraping component scrapes the corrosive impurities on the inner wall of the smoke stack 10 and then moves downwards from the smoke inlet of the smoke stack 10, the pumping piston 26 moves downwards and extrudes the water in the pumping area into the cleaning component 21, and the slag scraping component starts to clean through the cleaning component 21, so that the corrosive impurities attached to the scraping component can be removed through cleaning, the service life of equipment is prolonged, in addition, the cleaning is performed through a fixed-point spraying mode, the influence of cleaning water on the humidity of smoke is reduced, and the corrosion increase of the smoke caused by overhigh humidity of the smoke is avoided. ) (in this embodiment, the cleaning water stored in the water pumping area in the cleaning assembly is hot water in the heat exchange mechanism, and the hot water injection can avoid the decrease of the temperature of the flue gas after desulfurization caused by the temperature difference, so that the corrosiveness of the flue gas to the flue gas chimney is increased. )
In this embodiment, when the arc-shaped scraping plates 25 scrape the corrosive impurities attached to the inner wall of the smoke exhaust chimney 10 and the spiral heating pipe 18, because the spiral heating pipe 18 is coaxially embedded on the inner wall of the smoke exhaust chimney 10, the arc-shaped scraping plates 25 do only vertical movement and cannot thoroughly scrape the corrosive impurities attached to the inner wall of the smoke exhaust chimney 10 and the spiral heating pipe 18, in order to solve the problems, a transmission assembly for driving a plurality of arc-shaped scraping plates 25 to synchronously rotate along the circumferential direction of the lifting disk 24 is arranged between the rotating cylinder 50 and the lifting disk 24, so that the arc-shaped scraping plates 25 do circumferential rotation along the inner wall of the smoke exhaust chimney 10 while the arc-shaped scraping plates 25 do vertical movement of the smoke exhaust chimney 10.
The transmission assembly comprises a driving shaft cylinder 49 movably mounted on the lifting disk 24, and an inner gear ring coaxially and fixedly sleeved on the top end surface of the rotating cylinder 50, the driving shaft cylinder 49 is slidably sleeved outside the guide rod 23 and is correspondingly provided with a plurality of driving gears 53, the driving gears 53 are meshed with the inner gear ring, a transmission member is further arranged between the driving shaft cylinder 49 and the guide rod 23, when the driving shaft cylinder 49 moves along the axial direction of the guide rod 23, the driving shaft cylinder 49 is driven to rotate by the transmission member, the transmission member comprises a thread groove 35 formed in the guide rod 23 and a driving block 54 fixedly arranged on the inner wall of the driving shaft cylinder 49, and the driving block 54 is positioned in the thread groove 35 and forms sliding guide fit with the thread groove 35.
When the lifting disc 24 moves in the vertical direction in the smoke exhaust chimney 10 during operation, the lifting disc 24 drives the driving shaft cylinder 49 to synchronously move, and under the action of the driving block 54 arranged on the inner wall of the driving shaft cylinder 49 and the rotating groove 35 arranged on the guide rod 23, the driving shaft cylinder 49 starts to rotate around the axis of the driving shaft cylinder 49 and drives the transmission gear 53 to synchronously rotate, the transmission gear 53 drives the rotating cylinder 50 to rotate through the inner gear ring arranged on the rotating cylinder 50, and the rotating cylinder 50 simultaneously drives the arc-shaped scraping plates 25 to synchronously rotate.

Claims (8)

1. The utility model provides an energy-concerving and environment-protective desulfurizing tower of waste heat recycling, includes desulfurizing tower body (1), its characterized in that: the flue gas desulfurization device comprises a desulfurization tower body (1), wherein a flue gas inlet pipe (2) is arranged on the side wall of the desulfurization tower body (1), a heat exchange mechanism for absorbing the temperature of desulfurization liquid in the desulfurization tower body (1) is arranged outside the desulfurization tower body (1), a flue gas chimney (10) is arranged at the top end of the desulfurization tower body (1), a heating mechanism and a deslagging mechanism are arranged in the flue gas chimney (10), the heating mechanism is used for heating the inner wall of the flue gas chimney (10) and the flue gas after desulfurization of the desulfurization tower body (1) by utilizing heat energy absorbed by the heat exchange mechanism, and the deslagging mechanism is used for removing corrosive impurities attached to the inner wall of the flue gas chimney (10);
the heat exchange mechanism comprises a liquid collecting pipe (4) which is sleeved outside a desulfurization tower body (1) and is annular, annular liquid guide pipes (11) are coaxially arranged in the liquid collecting pipe (4), the liquid collecting pipes (4) are arranged in the heat radiating pipes (5) and are vertically distributed at intervals, the two liquid collecting pipes (4) are communicated through a plurality of heat radiating pipes (5), desulfurization liquid in the liquid collecting pipe (4) and the desulfurization tower body (1) which are positioned below is communicated through a flow guide pipe (3), the liquid collecting pipe (4) and the desulfurization tower body (1) which are positioned above are communicated through a return pipe (6), two liquid guide pipes (11) are communicated through heat exchange pipes (12), the heat exchange pipes (12) are sleeved in the heat radiating pipes (5) and are correspondingly provided with a plurality of heat exchange pipes (12), an annular guide rail is arranged in a region between the heat exchange pipes (12) and the heat radiating pipes (5), a cold water inlet nozzle (7) is arranged on the liquid guide pipe (11) which is positioned above, and a liquid outlet pipe (8) is arranged on the guide pipe (11) which is positioned above;
the slag removing mechanism comprises a driving assembly, a slag scraping assembly and a cleaning assembly, wherein the slag scraping assembly is used for scraping corrosive impurities attached to the inner wall of the smoke exhaust chimney (10), the driving assembly is used for driving the slag scraping assembly to reciprocate in the vertical direction by utilizing fluid kinetic energy in the hot water liquid outlet pipe (8), and the cleaning assembly is used for extracting hot water in the hot water liquid outlet pipe (8) and cleaning the residual corrosive impurities on the slag scraping assembly at fixed points.
2. The energy-saving and environment-friendly desulfurization tower for recycling waste heat according to claim 1, wherein the desulfurization tower comprises: the device comprises a driving assembly and is characterized in that the driving assembly comprises a mounting cylinder (14) which is vertically and fixedly arranged in a desulfurizing tower body (1) and is provided with an inner cavity, a first mounting plate (141) is coaxially and fixedly arranged in the mounting cylinder (14), a second mounting plate (142) is fixedly arranged between the first mounting plate (141) and the lower end surface of the mounting cylinder (14), a driving area is formed between the second mounting plate (142) in the mounting cylinder (14) and the bottom end of the mounting cylinder (14), a driving area is formed by the first mounting plate (141) and the second mounting plate (142), a connecting shaft (34) is vertically and movably arranged in the driving area, a plurality of impellers (27) are arranged on the upper end of the connecting shaft (34) in an outer circumferential array extending to the driving area, and the liquid outlet end of the hot water outlet pipe (8) is communicated with the driving area.
3. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 2, wherein: the heating mechanism comprises a spiral heating pipe (18) arranged on the inner wall of the smoke exhaust chimney (10), the liquid inlet end of the spiral heating pipe (18) is communicated with the driving area through a first heat conduction pipe (9), and a liquid outlet pipe of the spiral heating pipe (18) is connected with a liquid discharge pipe (19);
the installation cylinder (14) is coaxially and movably provided with a driving rod (22), the lower end of the driving rod (22) extends into a transmission area, the upper end of the driving rod extends to a smoke outlet of the smoke exhaust chimney (10), and a turning component for receiving power of the linkage shaft (34) and driving the driving rod (22) to periodically switch between forward rotation and reverse rotation is arranged in the transmission area.
4. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 3, wherein: the direction-changing component comprises a driving gear (30) fixedly connected with the upper end of a connecting shaft (34), a driven gear (33) fixedly connected with the lower end of a driving rod (22) and the connecting shaft (34) vertically movably mounted in a transmission area, wherein the connecting shaft (34) is provided with two driving gears (31) and a direction-changing gear (32) which are symmetrically distributed on two sides of the driving gear (30) along the axis of the driving rod (22), the driving gear (31) and the direction-changing gear (32) are coaxially and fixedly sleeved outside the connecting shaft (34), the driving gear (31) is in meshed connection with the driving gear (30), the direction-changing gear (32) is of a half-gear structure, and when one of the direction-changing gears (32) is in meshed connection with the driven gear (33), the other direction-changing gear (32) is out of meshed with the driven gear (33).
5. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 4, wherein: the cleaning component comprises a pumping piston (26) which is slidably arranged in a mounting cylinder (14), a spraying member (21) which is fixedly arranged on the inner wall of a desulfurizing tower body (1) and a lifting disc (24) which is coaxially sleeved outside a driving rod (22) in a sliding way, wherein the pumping piston (26) is arranged above a first mounting plate (141) and the pumping piston (26) is slidably sleeved outside the driving rod (22), the region formed between the pumping piston (26) and the first mounting plate (141) in the mounting cylinder (14) is a pumping area, the spraying member (21) is arranged between a smoke discharging chimney (10) and the mounting cylinder (14), the spraying member (21) is communicated with the pumping area through a cleaning pipe (20), the pumping area is communicated with a hot water outlet pipe (8) through a second heat conducting pipe (15), a one-way valve (16) which controls fluid in the second heat conducting pipe (15) to flow into the pumping area in a one way is arranged on the second heat conducting pipe (15), a lifting disc (24) and the driving rod (22) are arranged between the lifting disc (24) and the driving rod (22) and a driving rod (22) is coaxially provided with a lifting disc (24) which is driven to move in a reciprocating way, and a limit groove (23) is arranged in the driving rod (24), the lower end of the guide rod (23) fixedly penetrates through the top end of the mounting cylinder (14) and is fixedly mounted on the top end face of the pumping piston (26), the upper end of the guide rod extends to the smoke outlet of the smoke discharging chimney (10), the guide rod (23) is provided with a plurality of guide rods and is arranged in an array along the circumferential direction of the lifting disc (24), and a trigger member for controlling the spraying member (21) to perform fixed-point spraying is arranged in the guide rod (23);
the driving piece comprises a lifting sliding block (36) fixedly arranged on the inner wall of the lifting disc (24) and a lifting groove (28) formed in the outer wall of the driving rod (22), and the lifting sliding block (36) is positioned in the lifting groove (28) and forms sliding guide fit with the lifting sliding block.
6. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 5, wherein: the trigger component comprises a mounting groove (38) arranged in the guide rod (23), a trigger groove (37) arranged in the pumping piston (26), and a locking groove (40) which is arranged in the lifting disc (24) and is coaxial with the guide rod (23), wherein a hinge rod (44) is arranged between the mounting groove (38) and the trigger groove (37) through a connecting groove (41) arranged in the guide rod (23), a trigger rod (42) is arranged in the connecting groove (41) in a sliding manner, the upper end of the trigger rod (42) extends into the mounting groove (38), a locking spring (43) is arranged between the upper end of the trigger rod (42) and the mounting groove (38), a plurality of sliding grooves (39) which are distributed around the axis direction array of the trigger rod (42) are arranged in the mounting groove (38), a plurality of locking plates (45) are arranged in the sliding grooves (39), one ends of the hinge rods (44) are hinged on the trigger rod (42), the other ends of the hinge rods (45) are hinged on the trigger rod (42), the other ends of the hinge rods are hinged on the trigger rod (45), a limiting post (46) is arranged between the trigger rod (46) and the other ends of the hinge rods (46), the outer wall of the limit post (46) is provided with a guide groove (47), the lower end of the trigger rod (42) is abutted against the limit post (46), the guide rod (23) is provided with a limit ring (231), and the limit ring (231) is positioned between the lifting disc (24) and the rotary cylinder (50).
7. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 5, wherein: the slag scraping assembly comprises a rotating cylinder (50) which is coaxially movably arranged outside a lifting disc (24), an arc scraping plate (25) is elastically arranged on the outer circumferential surface of the rotating cylinder (50) through an elastic piece, the arc scraping plate (25) is provided with a plurality of telescopic cylinders (51) which are fixedly arranged on the outer wall of the rotating cylinder (50) along the circumferential defense line array of the rotating cylinder (50), a telescopic rod (52) is coaxially and slidably arranged in the telescopic cylinder (51), one end of the telescopic rod (52) extends to the outside of the telescopic cylinder (51) and is fixedly connected with the back arc surface of the arc scraping plate (25), and a telescopic spring (55) is arranged between the other end of the telescopic rod (52) and the telescopic cylinder (51).
8. The energy-saving and environment-friendly desulfurizing tower for recycling waste heat according to claim 7, wherein: the automatic lifting device is characterized in that a transmission assembly for driving a plurality of arc scraping plates (25) to synchronously rotate along the circumferential direction of the lifting disc (24) is arranged between the rotating drum (50) and the lifting disc (24), the transmission assembly comprises a driving shaft drum (49) movably mounted on the lifting disc (24), an inner gear ring coaxially fixedly sleeved on the top end face of the rotating drum (50), the driving shaft drum (49) is slidably sleeved outside the guide rod (23) and correspondingly provided with a plurality of driving gears (53), the driving gears (53) are meshed with the inner gear ring, a transmission piece is further arranged between the driving shaft drum (49) and the guide rod (23), and when the driving shaft drum (49) moves along the axial direction of the guide rod (23), the guide rod (23) drives the driving shaft drum (49) to rotate through the transmission piece, the transmission piece comprises a thread groove (35) formed in the guide rod (23) and a driving block (54) fixedly arranged on the inner wall of the driving shaft drum (49), and the driving block (54) is located in the thread groove (35) and matched with the thread groove (35).
CN202111189941.0A 2021-10-11 2021-10-11 Energy-saving and environment-friendly desulfurizing tower capable of recycling waste heat Active CN113828116B (en)

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Publication number Priority date Publication date Assignee Title
CN114653177B (en) * 2022-04-01 2023-11-14 博远生态环境科技有限公司 Industrial flue gas desulfurization post-treatment device
CN117989552B (en) * 2024-04-03 2024-06-11 泰州润达环保科技有限公司 Flue inlet and outlet flushing device for desulfurization and denitrification tower

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CN112933902A (en) * 2021-01-28 2021-06-11 广东科洁环保工程技术有限公司 Sintering flue gas desulfurization denitration waste heat utilization equipment

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JPH02117018U (en) * 1989-03-10 1990-09-19
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CN210964535U (en) * 2019-10-11 2020-07-10 四川益能康生环保科技有限公司 Carbide slag flue gas desulfurization dust collector
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