CN114917746B - Waste gas purification tower spray set and waste gas purification tower - Google Patents
Waste gas purification tower spray set and waste gas purification tower Download PDFInfo
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- CN114917746B CN114917746B CN202210684390.3A CN202210684390A CN114917746B CN 114917746 B CN114917746 B CN 114917746B CN 202210684390 A CN202210684390 A CN 202210684390A CN 114917746 B CN114917746 B CN 114917746B
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- 239000002912 waste gas Substances 0.000 title claims abstract description 80
- 239000007921 spray Substances 0.000 title claims abstract description 61
- 238000000746 purification Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 143
- 238000005507 spraying Methods 0.000 claims description 30
- 238000001125 extrusion Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000007790 scraping Methods 0.000 abstract description 9
- 238000006386 neutralization reaction Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 9
- 238000005192 partition Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/343—Heat recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a waste gas purification tower spray device and a waste gas purification tower, which comprise a tower body, wherein the upper end of the tower body is communicated with an air inlet pipe and a liquid inlet pipe, a heat exchange fin plate is arranged in the tower body, the tower body and the heat exchange fin plate are both connected with a spray head, the spray head is provided with a liquid inlet groove, the interior of the liquid inlet groove is provided with a piston push plate, the piston push plate is matched with a magnetic block and an electromagnet, a fixed plate is arranged in the liquid inlet groove, the fixed plate is provided with a threaded groove, the interior of the threaded groove movably extends out of an inserted rod, the inserted rod is connected with a scraping block, and a pull rope part is connected between the inserted rod and the piston push plate.
Description
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to a waste gas purification tower spray device and a waste gas purification tower.
Background
In the industrial waste gas purification treatment, a wet spraying absorption technology is commonly used. The waste gas purification tower is a common waste gas purification device, but a nozzle in a spray chamber is in a damp waste gas environment for a long time, and salt slurry is easily generated and blocks the nozzle in chemical reaction actions such as acid-base neutralization of spray liquid and waste gas. The existing spraying device is usually composed of a liquid inlet main pipe and spraying branch pipes, the spraying branch pipes are fixed on a waste gas purification tower body, and the existing spraying device needs to enter the tower for operation when a spray head is maintained, so that danger exists.
In the prior art, a spray device of an exhaust gas purification tower and a horizontal exhaust gas purification tower (the main classification number is B01D 53/79) with the publication number of 'CN 113731156A' comprise a water inlet main pipe, a plurality of connecting pipes, a plurality of spray branch pipes, a plurality of nozzles and a flange plate; the connecting pipes are respectively connected to the water inlet main pipe, the connecting pipes are arranged on the flange plate in a penetrating and fixing mode, and the flange plate is detachably connected to the tower body of the waste gas purification tower; a plurality of spray branch are located exhaust gas purification tower's inside to a plurality of spray branch one end one-to-ones can be dismantled and connect in a plurality of connecting pipes, and the other end seals, and set up a plurality of nozzle intervals on spray branch, when needs maintain the nozzle or change spray branch, can wholly take off spray set from the shaft, maintain and install in the shaft after accomplishing again, have promoted the installation greatly and have dismantled and maintain the convenience of operation.
However, the prior art still has more defects, such as: in the process of treating waste gas, the waste gas flows from bottom to top, the spray liquid flows from top to bottom, the contact time of the waste gas and the spray liquid is short, the waste gas and the spray liquid are difficult to be fully mixed and reacted, the spray device is integrally taken down from the tower body for maintenance, the waste gas purification tower needs to be shut down in the maintenance process, and the working efficiency of the waste gas purification tower is reduced.
Disclosure of Invention
The present invention is directed to a spray device of a waste gas purifying tower and a waste gas purifying tower, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a waste gas purification tower spraying device comprises a tower body and a plurality of spraying heads, wherein the upper end of the tower body is communicated with an air inlet pipe and a liquid inlet pipe, the lower end of the tower body is communicated with a liquid outlet pipe, the spraying heads are fixedly arranged below the liquid inlet pipe and are communicated with the liquid inlet pipe, one-way valves are arranged at the communication positions of the spraying heads and the liquid inlet pipe, the one-way valves limit fluid to flow only from top to bottom, a plurality of heat exchange fin plates which are distributed at intervals from top to bottom are fixedly connected to the inner side wall of the tower body, a plurality of first through holes which are vertically communicated and are internally provided with the one-way valves are formed in the heat exchange fin plates, and the bottom walls of the heat exchange fin plates are also fixedly connected with the spraying heads communicated with the first through holes;
the spraying head is provided with a liquid inlet groove with an opening at the upper end, the side wall of the upper part of the liquid inlet groove is connected with a liquid spraying groove, the inner wall of the liquid inlet groove is connected with a piston push plate which is arranged in a vertical sliding mode, the lower end of the piston push plate is fixedly connected with a magnetic block, the bottom wall of the liquid inlet groove is fixedly provided with an electromagnet which is magnetically repellent with the magnetic block, an elastic connecting block is fixedly connected between the electromagnet and the magnetic block, the end surfaces, close to each other, of the magnetic block and the electromagnet are respectively and fixedly provided with an extrusion block and a time delay trigger switch, and the electromagnet is electrically connected with the time delay trigger switch and a power supply through a lead;
the feed liquor inslot is fixed and is provided with the fixed plate, and the fixed plate sets up along the thread groove that extends near the hydrojet groove direction, the activity stretches out in the thread groove has the inserted bar, and the inserted bar stretches into the pole body outside of thread groove be provided with thread groove screw-thread fit's external screw thread structure, and the inserted bar stretches into the one end of thread groove and rotates between the thread groove inner wall to be connected with inserted bar elastic connecting rod, the one end activity that the thread groove was kept away from to the inserted bar passes the hydrojet groove, and the inserted bar stretches into the pole body outside fixedly connected with of hydrojet groove and the scraping piece of hydrojet inslot wall laminating, and a plurality of stirring vane of one end fixedly connected with of shower head are stretched out to the inserted bar, it is connected with the stay cord spare to rotate between the one end that the thread groove was stretched into to the inserted bar and the piston push pedal.
Preferably, feed liquor groove upper portion lateral wall is connected with and is no less than two hydrojet grooves, and the fixed plate sets up along the thread groove that is close to each hydrojet groove direction one-to-one extension, and is a plurality of the equal fixedly connected with baffle of one end inner wall that the thread groove is close to each other, and inserted bar elastic connecting rod rotate to be connected between the one end that baffle and inserted bar stretch into the thread groove, and is a plurality of the cavity is enclosed to the baffle, and the one end that a plurality of inserted bars stretch into the thread groove all rotates and is connected with the first stay cord that stretches into the cavity, and is a plurality of the one end fixed connection that first stay cord stretched into the cavity is on same second stay cord, and the first fixed connection that first stay cord was kept away from to the second stay cord is on piston push pedal up end.
Preferably, a fixed connecting block is fixedly connected between the fixed plate and the inner wall of the liquid inlet tank.
Preferably, the lower end face of the piston push plate is fixedly connected with a limiting slide rod, the bottom wall of the liquid inlet groove is connected with a limiting slot for the limiting slide rod to slide downwards and stretch into, and the bottom wall of the liquid inlet groove is fixedly connected with a limiting bearing for the limiting slide rod to slide and pass through.
Preferably, a negative pressure fan is installed on the liquid discharge pipe.
Preferably, the outer side of the liquid inlet pipe is fixedly connected with a liquid inlet pipe connecting plate, and the liquid inlet pipe connecting plate is in threaded connection with the outer wall of the tower body through a fixing bolt.
Preferably, the heat exchange fin plate is provided with a plurality of second through holes which are communicated up and down.
The utility model provides a waste gas purification tower, install above-mentioned waste gas purification tower spray set's shower head in waste gas purification tower's the tower body.
Preferably, the lower end of the tower body is fixedly connected with a plurality of support legs.
Compared with the prior art, the invention has the beneficial effects that:
according to the waste gas purification tower spray device and the waste gas purification tower, the gas inlet pipe and the liquid inlet pipe are arranged at the upper part of the tower body, so that the retention time of waste gas in the tower body is prolonged, the mixing effect of the waste gas and treatment liquid is improved, the mixing effect of the waste gas and the treatment liquid is further improved through the matched arrangement of the heat exchange fin plate, the spray header and the one-way valve, the problem that the spray header cannot be used continuously due to the fact that salt mud blocks a liquid spraying groove is solved through the matched arrangement of the fixing plate, the inserting rod, the piston push plate and the scraping block, the problem that the spray header cannot be used continuously due to the fact that the salt mud blocks the liquid spraying groove is solved, compared with the prior art, the spray header does not need to be stopped and replaced, and the working efficiency of the waste gas purification tower is improved.
Drawings
FIG. 1 is a three-dimensional schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front sectional view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the showerhead of FIG. 2;
FIG. 4 is a schematic view of a connecting structure of the piston pushing plate and the electromagnet in FIG. 3;
FIG. 5 is a schematic view of the spray head of the present invention spraying liquid outward;
FIG. 6 is a schematic cross-sectional view of the showerhead of FIG. 5;
fig. 7 is a schematic view of the internal structure of the fixing plate in fig. 6;
FIG. 8 is a schematic top sectional view of a showerhead of the present invention.
In the figure: 1 tower body, 2 air inlet pipes, 3 liquid inlet pipes, 4 liquid discharge pipes, 5 spray heads, 51 liquid inlet grooves, 52 liquid spray grooves, 6 one-way valves, 7 heat exchange fin plates, 71 first through holes, 72 second through holes, 8 piston push plates, 9 limit slide rods, 10 fixing plates, 11 thread grooves, 12 insertion rods, 13 insertion rod elastic connecting rods, 14 scraper blocks, 15 stirring blades, 16 partition plates, 17 cavities, 18 first pull ropes, 19 second pull ropes, 20 fixing connecting blocks, 21 limit bearings, 22 negative pressure fans, 23 liquid inlet pipe connecting plates, 24 fixing bolts, 25 supporting legs, 26 magnetic blocks, 27 electromagnets, 28 elastic connecting blocks, 29 extrusion blocks, 30 delay trigger switches, 31 leads and 32 power supplies.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
the first embodiment is as follows:
a waste gas purification tower spray device comprises a tower body 1, the upper end of the tower body 1 is communicated with an air inlet pipe 2 and a liquid inlet pipe 3, waste gas generated in a factory enters the inner upper part of the tower body 1 through the air inlet pipe 2, the air pressure in the tower body 1 is gradually increased along with the continuous entering of the waste gas, so that the waste gas flows downwards to the inner lower part of the tower body 1 under the action of the air pressure, the flow speed of the waste gas is reduced compared with the top-down flow of the waste gas, the retention time of the waste gas in the tower body 1 is prolonged, the waste gas and treatment liquid are fully mixed, the efficiency of the treatment liquid for neutralizing harmful substances in the waste gas is improved, the treatment liquid for neutralizing the waste gas enters the inner upper part of the tower body 1 through the liquid inlet pipe 3 and flows downwards under the action of gravity, the waste gas and the treatment liquid flow downwards together and carry out neutralization reaction, the purification treatment of harmful substances in the waste gas is realized, the lower end of the tower body 1 is communicated with a liquid discharge pipe 4, the waste gas and treatment liquid flow downwards to the liquid discharge pipe 4 and leave the tower body 1 through the liquid discharge pipe 4, the inner top wall of the tower body 1 is fixedly connected with 3 spray heads 5, the upper ends of the 3 spray heads 5 are communicated with a liquid inlet pipe 3, a one-way valve 6 is arranged at the communication position of any one spray head 5 and the liquid inlet pipe 3, the one-way valve 6 limits the fluid to flow only from top to bottom, the treatment liquid in the liquid inlet pipe 3 flows from top to bottom to enter the spray heads 5, the treatment liquid in the spray heads 5 cannot enter the liquid inlet pipe 3 from bottom to top, the treatment liquid is sprayed out of the spray heads 5 under the pushing of an internal mechanism of the spray heads 5 and is mixed with the waste gas, and the neutralization purification treatment of the waste gas is realized;
the inner side wall of the tower body 1 is fixedly connected with 2 heat exchange fin plates 7 which are distributed at intervals up and down, the mixed waste gas and the treatment liquid flow on the heat exchange fin plates 7, the waste gas and the treatment liquid are fully and uniformly mixed by utilizing the rugged structures on the heat exchange fin plates 7, the waste gas discharged by a factory has higher heat, the waste gas and the treatment liquid exchange heat in the flowing process on the heat exchange fin plates 7 to ensure that the heat of the waste gas is transferred to the treatment liquid, the treatment liquid is heated and insulated, so that the treatment liquid and the waste gas are in a proper reaction environment in the neutralization process, the neutralization reaction efficiency of the treatment liquid and the waste gas is improved, compared with the traditional mode that the waste gas flows from bottom to top, and the treatment liquid flows from top to bottom, the mixing effect and the heat exchange effect of the treatment liquid and the waste gas are obviously improved by adding the heat exchange fin plates 7, so that the neutralization reaction efficiency of the treatment liquid on the waste gas is improved, the heat exchange fin plates 7 divide the interior of the tower body 1 into three neutralization areas from top to bottom, the three neutralization areas are respectively a first neutralization area, a second neutralization area and a third neutralization area from top to bottom, the third neutralization area is communicated with the liquid discharge pipe 4, the two heat exchange fin plates 7 are provided with four first through holes 71 which are vertically communicated and are internally provided with one-way valves 6, the bottom wall of any one heat exchange fin plate 7 is fixedly connected with 4 spray headers 5 which are communicated with the first through holes 71 one by one, waste gas and treatment liquid in the first neutralization area are mixed and then enter the spray headers 5 connected with the lower ends of the waste gas and treatment liquid through the heat exchange fin plates 7 above, the waste gas and the treatment liquid are fully mixed and reacted in the spray headers 5 at the lower ends of the heat exchange fin plates 7 and are sprayed into the second neutralization area, the waste gas and the treatment liquid in the second neutralization area are mixed and then enter the spray headers 5 connected with the lower ends of the heat exchange fin plates 7 below, the waste gas and the treatment liquid are fully mixed and reacted in the spray header 5 at the lower end of the heat exchange fin 7 and are sprayed into a third neutralization area, and the waste gas and the treatment liquid which are completely reacted in the third neutralization area leave the tower body 1 through a liquid discharge pipe 4;
the shower head 5 is provided with a liquid inlet groove 51 with an upper end opening, the treatment liquid in the liquid inlet pipe 3 enters the liquid inlet groove 51 through the one-way valve 6, in the first neutralization area, the mixed fluid formed by the treatment liquid and the waste gas in the second neutralization area enters the liquid inlet groove 51 through the one-way valve 6, the side wall of the upper part of the liquid inlet groove 51 is connected with a liquid spraying groove 52, the inner wall of the liquid inlet groove 51 is connected with a piston push plate 8 which is arranged in a vertical sliding way, the piston push plate 8 divides the liquid inlet groove 51 into an upper area and a lower area, when the shower head 5 needs to spray the fluid, the piston push plate 8 slides upwards, namely, the piston push plate 8 slides towards the direction close to the one-way valve 6 and compresses the area space for storing the fluid, and the one-way valve 6 is arranged to ensure that the fluid can not flow upwards, thereby leading the fluid to flow out through the liquid spraying groove 52, the treatment liquid and the waste gas are ejected in an extrusion pushing mode through the piston push plate 8, the ejection speed and ejection pressure of mixed fluid formed by the treatment liquid and the waste gas are improved, the efficiency of neutralization reaction of the treatment liquid and the waste gas is improved, the ejection speed and ejection pressure of the fluid ejected from the liquid ejection groove 52 are increased, the growth speed of the salt slurry in the liquid ejection groove 52 is also reduced, and the problem that the salt slurry blocks the liquid ejection groove 52 due to the fact that the growth speed of the salt slurry in the liquid ejection groove 52 is too high is avoided;
the end surfaces of the magnetic block 26 and the electromagnet 27 close to each other are respectively and fixedly provided with an extrusion block 29 and a delay trigger switch 30, namely the lower end of the magnetic block 26 is fixedly connected with the extrusion block, the upper end of the electromagnet 27 is fixedly connected with the delay trigger switch 30, a pressure sensor is arranged in the delay trigger switch 30, when the delay trigger switch 30 is not subjected to external pressure, the delay trigger switch 30 is in an off state, when the extrusion block 29 downwards extrudes the delay trigger switch 30, the pressure sensor in the delay trigger switch 30 receives an extrusion force signal and controls the trigger switch 30 to be closed for a period of time and then automatically switched off, the delay trigger switch 30 is similar to a sound control lamp switch commonly used in a corridor, the electromagnet 27 is electrically connected with the delay trigger switch 30 and a power supply 32 through a lead 31, when the upper part of the piston push plate 8 is not subjected to downward pressure of treatment liquid, the piston push plate 8 is supported by the elastic connecting block 28 to be stable, and a certain distance is kept between the magnetic block 26 and the electromagnet 27, so that the extrusion block 29 is positioned above the delay trigger switch 30 and does not extrude the delay trigger switch 30, the delay trigger switch 30 is switched off, the electromagnet 27 is not electrified, along with the continuous inflow of the treatment liquid into the liquid inlet tank 51, the treatment liquid above the piston push plate 8 is gradually increased and extrudes the piston push plate 8 downwards, the piston push plate 8 slides downwards and drives the extrusion block 29 to slide downwards through the magnetic block 26 until the extrusion block 29 slides downwards to the delay trigger switch 30 and extrudes the delay trigger switch 30, so that the delay trigger switch 30 is closed, the electromagnet 27 is electrified and has magnetism and repels the magnetic block 26 upwards, so that the magnetic block 26 drives the piston push plate 8 to slide upwards, the piston push plate 8 slides upwards and pushes the treatment liquid above the piston push plate 8 into the liquid spray tank 52, and the piston push plate 8 drives the extrusion block 29 to slide upwards and leave the delay trigger switch 30, the delay trigger switch 30 is closed for a period of time after the extrusion of the external force disappears and then automatically switched off, so that the piston push plate 8 slides downwards again under the extrusion of the gravity of the treatment liquid, and the up-and-down reciprocating sliding of the piston push plate 8 is realized, and the piston push plate 8 is enabled to convey the treatment liquid to the liquid spraying groove 52 periodically;
the fixing plate 10 is fixedly arranged in the liquid inlet groove 51, the fixing plate 10 is fixedly connected with the inner wall of the liquid inlet groove 51 through the fixing connecting block 20, so that the fixing plate 10 is kept stable, the fixing plate 10 is provided with a thread groove 11 extending along the direction close to the liquid spray groove 52, the thread groove 11 is flush with the liquid spray groove 52 in height, an insertion rod 12 movably extends out of the thread groove 11, the outer side of a rod body of the insertion rod 12 extending into the thread groove 11 is provided with an external thread structure in threaded fit with the thread groove 11, an insertion rod elastic connecting rod 13 is rotatably connected between one end of the insertion rod 12 extending into the thread groove 11 and the inner wall of the thread groove 11, one end of the insertion rod 12 far away from the thread groove 11 movably penetrates through the liquid spray groove 52, a scraping block 14 attached to the inner wall of the liquid spray groove 52 is fixedly connected to the outer side of the rod body of the insertion rod 12 extending into the liquid spray groove 52, a plurality of stirring blades 15 are fixedly connected to one end of the insertion rod 12 extending into the thread groove 11 and a piston push plate 8 are rotatably connected with a rope pulling element, in the process that the piston push plate 8 slides downwards, the piston push plate 8 pulls the inserted rod 12 to slide towards the direction close to the liquid inlet groove 51 through the pull rope piece, the inserted block elastic connecting rod 13 is compressed, the fixing plate 10 is fixed, the inserted rod 12 is enabled to spirally slide towards the direction close to the liquid inlet groove 51 by utilizing the threaded fit between the external thread structure on the rod body of the inserted rod 12 and the internal thread of the thread groove 11, the inserted rod 12 drives the scraping block 14 and the stirring blade 15 to spirally move together in the spiral sliding process, the scraping block 14 spirally moves and scrapes the salt mud attached to the inner wall of the liquid spraying groove 52, the problem that the inner wall of the liquid spraying groove 52 is blocked by the salt mud and the treatment liquid is difficult to continuously spray is prevented, compared with the prior art, the shutdown and the nozzle replacement are not needed, the working efficiency of the waste gas purification tower is improved, and the treatment liquid and the waste gas are further stirred by the spiral movement of the scraping block 14 and the stirring blade 15, make treatment fluid and waste gas misce bene, further improve the neutralization treatment effect of treatment fluid to waste gas, at piston push pedal 8 in-process that upwards slides, stay cord spare is lax, inserted bar 12 slides under the elasticity promotion of inserted bar elastic connecting rod 13 to the direction of keeping away from feed liquor groove 51 and resets, utilize the threaded fit between external screw thread structure and thread groove 11 on the 12 poles of inserted bar on the same way, make inserted bar 12 push down the direction spiral slip of keeping away from feed liquor groove 51 under the elasticity promotion of inserted bar elastic connecting rod 13, scrape together the screw motion of material piece 14 and stirring vane 15 along with inserted bar 12, scrape salt mud once more and mix stirring treatment fluid and waste gas.
The second embodiment:
the second embodiment optimizes the internal structure of the fixing plate 10 based on the first embodiment, that is: the upper parts of the front, rear, left and right side walls of the liquid inlet groove 51 are all connected with the liquid spraying grooves 52, the fixing plate 10 is provided with four thread grooves 11 which correspondingly extend in the direction close to each liquid spraying groove 52 one by one, the inner walls of the ends, close to each other, of the four thread grooves 11 are all fixedly connected with a partition plate 16, the inserted bar elastic connecting rod 13 is rotatably connected between the partition plate 16 and the end, extending into the thread grooves 11, of the inserted bar 12, the four partition plates 16 enclose a cavity 17, and the ends, extending into the thread grooves 11, of the four inserted bars 12 are all rotatably connected with first pull ropes 18 extending into the cavity 17, one end fixed connection that four first stay cords 18 stretched into cavity 17 is on same second stay cord 19, and the first fixed connection that first stay cord 18 was kept away from to second stay cord 19 is on piston push pedal 8 up end, and piston push pedal 8 is at last lower sliding process through pulling four first stay cords 18 of pulling second stay cord 19 simultaneous pulling, and then stimulates four inserted bars 12 simultaneously, through the hydrojet groove 52 and the inserted bar 12 that set up four groups of one-to-one cooperation settings, improves the speed of shower head 5 blowout treatment fluid and waste gas.
Example three:
the third embodiment optimizes the structure of the whole device based on the first embodiment, that is: the lower end face of the piston push plate 8 is fixedly connected with a limiting slide rod 9, the bottom wall of the liquid inlet groove 51 is connected with a limiting slot for the limiting slide rod 9 to slide downwards and extend into, the limiting slide rod 9 and the limiting slot are matched to perform limiting guide on the up-down sliding process of the piston push plate 8, the stability of the up-down sliding process of the piston push plate 8 is improved, the bottom wall of the liquid inlet groove 51 is fixedly connected with a limiting bearing 21 for the limiting slide rod 9 to slide through, the limiting bearing 21 guides the up-down sliding process of the limiting slide rod 9, and the stability of the up-down sliding process of the limiting slide rod 9 is improved;
install negative-pressure air fan 22 on fluid-discharge tube 4, negative-pressure air fan 22's setting is convenient for draw forth treatment fluid and waste gas of 1 lower part of tower body, 3 outside fixedly connected with feed liquor pipe connecting plate 23 of feed liquor pipe, and pass through fixing bolt 24 threaded connection between feed liquor pipe connecting plate 23 and the outer roof of tower body 1, feed liquor pipe 3 is through feed liquor pipe connecting plate 23, fixing bolt 24's cooperation sets up demountable connection and installs on the outer roof of tower body 1, the mode of demountable connection installation is convenient for demolish feed liquor pipe 23 from tower body 1, heat transfer fin 7 has seted up a plurality of second through-holes 72 that link up from top to bottom, the setting up of second through-hole 72 makes the top in with the fluid in the region need not pass through shower 5, directly can flow into in the neutralization region of below, improve the flow velocity of fluid in tower body 1, improve the treatment fluid to the treatment rate of waste gas.
The utility model provides a waste gas purification tower, installs above-mentioned waste gas purification tower spray set's shower head 5 in waste gas purification tower's the tower body 1, a plurality of supporting legs 25 of 1 lower extreme fixedly connected with of tower body, and supporting leg 25 plays the fixed effect of support to tower body 1.
The working principle is as follows: along with the continuous flow of the treatment liquid into the liquid inlet groove 51, the treatment liquid gradually increases and downwards extrudes the piston push plate 8, the piston push plate 8 downwards slides and drives the extrusion block 29 to downwards slide until the extrusion block 29 downwards slides to the position of the delay trigger switch 30 and extrudes the delay trigger switch 30, the delay trigger switch 30 is closed, the electromagnet 27 is electrified and has magnetism and upwards repels the magnetic block 26, so that the magnetic block 26 drives the piston push plate 8 to upwards slide, the piston push plate 8 upwards slides and pushes the treatment liquid above the piston push plate into the liquid spraying groove 52, the piston push plate 8 drives the extrusion block 29 to upwards slide and leave the delay trigger switch 30, the delay trigger switch 30 is closed for a period of time after the extrusion of the external force disappears and automatically opens, and the piston push plate 8 downwards slides again under the extrusion of the gravity of the treatment liquid;
in the process that the piston push plate 8 slides downwards, the piston push plate 8 pulls the inserted rod 12 to slide towards the direction close to the liquid inlet groove 51 through the pull rope piece, the inserted block elastic connecting rod 13 is compressed, the fixing plate 10 is fixed, the inserted rod 12 slides spirally towards the direction close to the liquid inlet groove 51 by utilizing the thread fit between the external thread structure on the rod body of the inserted rod 12 and the thread groove 11, the inserted rod 12 drives the scraping block 14 and the stirring blade 15 to move spirally together in the spiral sliding process, in the process that the piston push plate 8 slides upwards, the pull rope piece loosens, the inserted rod 12 slides and resets towards the direction far away from the liquid inlet groove 51 under the elastic push of the inserted rod elastic connecting rod 13, and similarly, the external thread fit between the external thread structure on the rod body of the inserted rod 12 and the thread groove 11 is utilized, so that the inserted rod 12 slides spirally towards the direction far away from the liquid inlet groove 51 under the elastic push of the inserted rod elastic connecting rod 13, and the scraping block 14 and the stirring blade 15 move spirally along with the inserted rod 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an exhaust gas purification tower spray set, includes tower body (1) and a plurality of shower head (5), its characterized in that: the upper end of the tower body (1) is communicated with an air inlet pipe (2) and a liquid inlet pipe (3), the lower end of the tower body (1) is communicated with a liquid discharge pipe (4), the spray header (5) is fixedly arranged below the liquid inlet pipe (3) and communicated with the liquid inlet pipe (3), a one-way valve (6) is arranged at the communication position of the spray header (5) and the liquid inlet pipe (3), the one-way valve (6) limits that fluid can only flow from top to bottom, a plurality of heat exchange fin plates (7) which are distributed at intervals from top to bottom are fixedly connected to the inner side wall of the tower body (1), a plurality of first through holes (71) which are vertically communicated and are internally provided with the one-way valve (6) are formed in the heat exchange fin plates (7), and the bottom walls of the heat exchange fin plates (7) are also fixedly connected with the spray header (5) communicated with the first through holes (71);
the spraying head (5) is provided with a liquid inlet groove (51) with an opening at the upper end, the side wall of the upper part of the liquid inlet groove (51) is connected with a liquid spraying groove (52), the inner wall of the liquid inlet groove (51) is connected with a piston push plate (8) which is arranged in a vertical sliding manner, the lower end of the piston push plate (8) is fixedly connected with a magnetic block (26), the bottom wall of the liquid inlet groove (51) is fixedly provided with an electromagnet (27) which has magnetism repulsive to the magnetic block (26), an elastic connecting block (28) is fixedly connected between the electromagnet (27) and the magnetic block (26), the end surfaces of the magnetic block (26) and the electromagnet (27) which are close to each other are fixedly provided with an extrusion block (29) and a time delay trigger switch (30), and the electromagnet (27) is electrically connected with the time delay trigger switch (30) and a power supply (32) through a lead (31);
feed liquor groove (51) internal fixation is provided with fixed plate (10), and fixed plate (10) set up along being close to thread groove (11) orientation extension thread groove (11), activity has stretched out in thread groove (11) inserted bar (12), and the pole body outside that inserted bar (12) stretched into thread groove (11) is provided with thread groove (11) screw-thread fit's external screw thread structure, and inserted bar (12) stretch into the one end of thread groove (11) and rotate between thread groove (11) inner wall and be connected with inserted bar elastic connecting rod (13), the one end activity that threaded groove (11) were kept away from in inserted bar (12) passes spray groove (52), and inserted bar (12) stretch into the pole body outside fixedly connected with of spray groove (52) and scrape material piece (14) of liquid spray groove (52) inner wall laminating, and inserted bar (12) stretch out the one end fixedly connected with a plurality of stirring vane (15) of shower head (5), the one end that inserted bar (12) stretched into thread groove (11) and piston push pedal (8) rotate between be connected with the rope pulling piece.
2. The exhaust gas purification tower spraying device according to claim 1, characterized in that: feed liquor groove (51) upper portion lateral wall is connected with and is no less than two hydrojet groove (52), and fixed plate (10) set up along being close to each hydrojet groove (52) direction one-to-one extension thread groove (11), and is a plurality of the equal fixedly connected with baffle (16) of one end inner wall that thread groove (11) are close to each other, and inserted bar elastic connecting rod (13) rotate to be connected between the one end that baffle (16) and inserted bar (12) stretch into thread groove (11), and is a plurality of baffle (16) enclose into cavity (17), and the one end that a plurality of inserted bar (12) stretch into thread groove (11) all rotates and is connected with first stay cord (18) that stretch into cavity (17), and is a plurality of the one end fixed connection that first stay cord (18) stretched into cavity (17) is on same second stay cord (19), and the first fixed connection that first stay cord (18) were kept away from in second stay cord (19) is on piston push pedal (8) up end.
3. The exhaust gas purification tower spraying device according to claim 1, characterized in that: and a fixed connecting block (20) is fixedly connected between the fixed plate (10) and the inner wall of the liquid inlet groove (51).
4. The exhaust gas purification tower spray device according to claim 1, characterized in that: the piston push pedal (8) lower extreme surface fixedly connected with limit slide bar (9), and feed liquor groove (51) diapire is connected with the limit slot that supplies limit slide bar (9) lapse to stretch into, and feed liquor groove (51) diapire fixedly connected with supplies limit slide bar (9) to slide spacing bearing (21) that pass.
5. The exhaust gas purification tower spraying device according to claim 1, characterized in that: and a negative pressure fan (22) is arranged on the liquid discharge pipe (4).
6. The exhaust gas purification tower spraying device according to claim 1, characterized in that: the outer side of the liquid inlet pipe (3) is fixedly connected with a liquid inlet pipe connecting plate (23), and the liquid inlet pipe connecting plate (23) is in threaded connection with the outer wall of the tower body (1) through a fixing bolt (24).
7. The exhaust gas purification tower spraying device according to claim 1, characterized in that: the heat exchange fin plate (7) is provided with a plurality of second through holes (72) which are communicated up and down.
8. An exhaust gas purification tower characterized in that: the waste gas purification tower body (1) is internally provided with the waste gas purification tower spray device as claimed in any one of claims 1-7.
9. The exhaust gas purification tower according to claim 8, wherein: the lower end of the tower body (1) is fixedly connected with a plurality of supporting legs (25).
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| CN202210684390.3A CN114917746B (en) | 2022-06-16 | 2022-06-16 | Waste gas purification tower spray set and waste gas purification tower |
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| CN202210684390.3A CN114917746B (en) | 2022-06-16 | 2022-06-16 | Waste gas purification tower spray set and waste gas purification tower |
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Citations (1)
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| CN204952649U (en) * | 2015-09-21 | 2016-01-13 | 云南巨鼎玻璃钢有限公司 | Utilize waste heat power to carry out glass steel desulfurizing tower that removes gred |
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| EP0131120B1 (en) * | 1983-07-06 | 1987-03-04 | Lonza Ag | Method and apparatus for spraying suspensions very finely |
| CN204933142U (en) * | 2015-09-14 | 2016-01-06 | 苏州迈沃环保工程有限公司 | A kind of pipeline pretreatment unit of desulphurization system |
| CN206444401U (en) * | 2017-02-17 | 2017-08-29 | 重庆科蓝环保实业有限公司 | A kind of flying dust flue gas combination purification system for burning city domestic garbage |
| CN108786403B (en) * | 2017-05-02 | 2021-08-31 | 中国石油化工股份有限公司 | Denitration reactor and denitration and desulfurization method |
| CN209138902U (en) * | 2018-09-13 | 2019-07-23 | 李林沣 | A kind of field irrigation anti-clogging spray head |
| CN109663487B (en) * | 2019-01-24 | 2021-07-09 | 杭州大地海洋环保股份有限公司 | Waste gas treatment system |
| CN212309954U (en) * | 2020-04-07 | 2021-01-08 | 王正 | Gardens waterscape pond prevents blockking up shower nozzle |
| CN214347260U (en) * | 2020-12-03 | 2021-10-08 | 上海合经自动化设备工程有限公司 | Anti-blocking spray head of welding type nozzle flow meter |
| CN113134447A (en) * | 2021-04-26 | 2021-07-20 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Automatic cleaning device for cooling water nozzle of rolling mill stand |
| CN114193291A (en) * | 2021-12-22 | 2022-03-18 | 安徽共青机电装备制造有限公司 | Polishing equipment for piston ring and guide ring for oil-free compressor |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204952649U (en) * | 2015-09-21 | 2016-01-13 | 云南巨鼎玻璃钢有限公司 | Utilize waste heat power to carry out glass steel desulfurizing tower that removes gred |
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Effective date of registration: 20240318 Address after: 226000 room 0401, No. 373, Century Avenue, Nantong City, Jiangsu Province (in qingzhihua garden) Patentee after: NANTONG HENGHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: Jiangsu Zerui Environmental Technology Co.,Ltd. Address before: 226000 room 0401, No. 373, Century Avenue, Nantong City, Jiangsu Province (in qingzhihua garden) Patentee before: NANTONG HENGHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
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