CN117065544A - Tail gas hydrogen peroxide method desulfurization device and process - Google Patents
Tail gas hydrogen peroxide method desulfurization device and process Download PDFInfo
- Publication number
- CN117065544A CN117065544A CN202310511089.7A CN202310511089A CN117065544A CN 117065544 A CN117065544 A CN 117065544A CN 202310511089 A CN202310511089 A CN 202310511089A CN 117065544 A CN117065544 A CN 117065544A
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- Prior art keywords
- electric demister
- electric
- sliding
- tower body
- tail gas
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000007789 gas Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 33
- 230000023556 desulfurization Effects 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims description 14
- 239000003595 mist Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000003009 desulfurizing effect Effects 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- 239000000443 aerosol Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 32
- 238000005381 potential energy Methods 0.000 abstract description 8
- 230000010355 oscillation Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- 238000003825 pressing Methods 0.000 description 12
- 239000007921 spray Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000026058 directional locomotion Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Electrostatic Separation (AREA)
Abstract
The application discloses a tail gas hydrogen peroxide method desulfurization device and a process, wherein the device comprises a tower body and an electric demister arranged in the tower body, the electric demister is longitudinally arranged in the tower body in a sliding way, a first elastic piece is arranged in the tower body, and the device also comprises a driving mechanism, and the driving mechanism drives the electric demister to move in two strokes: a first stroke in which the electric defogger rotates while sliding upward and is away from the first elastic member; the second stroke is that the electric demister does free falling motion and extrudes the first elastic piece, and the electric demister bounces and oscillates in the tower body under the elastic action of the first elastic piece; according to the application, the electric demister is driven by the driving mechanism to rotate, rise and accumulate gravitational potential energy, and then, when the electric demister contacts with the first elastic piece in the process of free falling body movement, rebound oscillation occurs to the electric demister, and liquid drops in the electric demister drop due to inertia, so that the purpose of rapidly discharging liquid in the electric demister is realized.
Description
Technical Field
The application relates to the technical field of tail gas desulfurization, in particular to a tail gas hydrogen peroxide method desulfurization device and a process.
Background
The prior art discloses equipment for desulfurizing industrial waste gas, which is mainly tower type equipment, namely a desulfurizing tower, and can realize the purposes of desulfurizing and dedusting, after the tail gas enters the desulfurizing tower, hydrogen peroxide is pumped into a spraying system in the tower by a pump, the hydrogen peroxide and flue gas are subjected to countercurrent contact reaction for absorption, liquid phase falls into a circulating groove at the bottom of the tower, gas phase is discharged from the top of the tower, and the tail gas discharged from the top of the desulfurizing tower is subjected to removal of harmful parts such as acid mist, dust, aerosol and the like by an electric demister, so as to ensure that the discharged tail gas meets the emission standard.
The utility model provides a patent of publication number CN105833668B, publication day is 2018, 05 month 04, a flue gas desulfurization tower, wherein, the flue gas desulfurization tower includes the tower body, the lower part of tower body has the flue gas entry, the top of tower body has the flue gas export, top-down has set gradually at least one spray layer and at least one sieve tray in the tower body, just spray layer with the sieve tray sets up between the flue gas entry with the flue gas export, wherein, spray layer in be provided with the spray component with absorbent pipeline intercommunication, spray the component and include the atomizing nozzle that forms by inorganic porous sintering material. Through the technical scheme, the application can obtain very good atomization effect under lower pressure, SO that the SO2 absorption efficiency is improved, and the effect of reducing the operation energy consumption of the flue gas desulfurization tower is achieved.
When the electric mist eliminator is used, air molecules are ionized through a strong electric field formed between the cathode and the anode, a large amount of electrons and positive and negative ions are instantaneously generated, the electrons and the positive and negative ions do directional motion under the action of the electric field force to form a medium for capturing acid mist, meanwhile, the charged acid mist particles are charged, do directional motion under the action of the electric field force, reach the anode for capturing the acid mist, then the charged particles release electrons on the anode, so that the acid mist is accumulated, and falls into an acid storage tank of the acid mist eliminator under the action of gravity along with the increasing amount of acid mist accumulation, thereby achieving the aim of purifying the acid mist.
The electric demister has various types such as vertical type, horizontal type, multi-pipe type and line plate type, and the like, and has the defects that in the multi-pipe type electric demister, anodes are integrated by a plurality of pipe bodies, charged particles are captured when passing through the inside of the pipe bodies, but more acid mist particles are required to be accumulated to form larger-volume liquid drop directions, namely, when the self gravity of the liquid drops exceeds the resultant force of the lifting force of gas and the surface tension of liquid, the liquid drop directions can be fallen, so that the acid mist liquid drops cannot be separated from the inner wall of the pipe bodies of the anodes in time, the flow rate of the gas is limited, the liquid attached to the inner wall of the pipe bodies forms obstruction to the flow of the gas, the gas is accumulated in a tower, and the desulfurization and dust removal efficiency of flue gas are adversely affected.
Disclosure of Invention
The application aims to provide a tail gas hydrogen peroxide method desulfurization device and a cleaning method, so as to solve the problems in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the tail gas hydrogen peroxide method desulfurization device comprises a tower body and an electric demister arranged in the tower body, wherein the electric demister is longitudinally arranged in the tower body in a sliding manner, a first elastic piece is arranged in the tower body, the device further comprises a driving mechanism, and the driving mechanism drives the electric demister to move in two strokes: a first stroke in which the electric defogger rotates while sliding upward and is away from the first elastic member; and the electric demister does free falling motion and extrudes the first elastic piece, and the electric demister bounces and oscillates in the tower body under the elastic action of the first elastic piece.
Above-mentioned, actuating mechanism includes two cross supports that vertically set up side by side in the tower body, a first axostylus axostyle of rigid coupling between the cross center of two cross supports, just first axostylus axostyle runs through along electric defroster axial center, be equipped with on the tower body and drive electric defroster is along first axostylus axostyle axis to do circumference intermittent type pivoted first drive branched chain, be equipped with on the first axostylus axostyle based on electric defroster turning force drives its rising and is the second drive branched chain of free fall motion.
Above-mentioned, first drive branched chain is including locating the actuating source on the tower body and the cover is located barrel on the electric defroster outer wall, just the barrel with barrel inner wall rotates to be connected, the electric defroster with barrel axial sliding connection, actuating source power take off end with pass through incomplete gear mechanism transmission power before the barrel so that electric defroster intermittent type rotates.
The second driving branched chain comprises a second shaft rod fixedly connected to the center of the upper end of the electric demister, a U-shaped frame is arranged at the upper end of the second shaft rod, a third shaft rod is fixedly connected to the cross point of a cross support at the upper position in the tower body, a first sliding groove is formed in the third shaft rod, a first sliding block is arranged in the first sliding groove in a sliding mode, and the U-shaped frame is fixedly connected with the first sliding block; the first sliding groove is divided into two spiral sections and two vertical sections, wherein the two spiral sections are arranged in parallel on the circumferential direction of the outer wall of the third shaft rod, and the two vertical sections are connected with the head and the tail of the two spiral sections.
The first elastic piece is sleeved on the outer wall of the cylinder, a plurality of second sliding grooves are formed in the circumferential direction of the outer wall of the cylinder in parallel, second sliding blocks are longitudinally arranged in the second sliding grooves in a sliding manner, the second sliding blocks are fixedly connected together through a ring body, and the outer wall of the electric demister is fixedly connected with the second sliding blocks.
The height of the lower end of the vertical section is lower than that of the lower end of the spiral section.
The U-shaped frame is connected with the second shaft rod through a locking mechanism, the radial dimension of the screw degree from the low end to the high end of the screw degree to the axis of the first shaft rod is gradually increased, the first sliding block is extruded in the sliding stroke from the low end to the high end of the screw degree, and the locking mechanism releases the locking of the second shaft rod based on the extrusion action; the first slider moves slowly downward under the mutual friction in the vertical section.
Above-mentioned, locking mechanical system is including sliding locating the briquetting that receives on the first slider is in order to pass through the spacing wedge of head rod connection, just spacing wedge on the slip direction with be connected with the second elastic component between the U type frame, be equipped with extrusion wedge on the second shaft pole with after the U type frame is pegged graft completely, spacing wedge is right extrusion wedge forms spacingly.
Above-mentioned, still be equipped with spray system in the tower body below the electric defroster.
The application also relates to a tail gas hydrogen peroxide method desulfurization process, which is used for carrying out ionization trapping on acid mist, dust and aerosol contained in the desulfurized tail gas through the tail gas hydrogen peroxide method desulfurization device.
The application has the beneficial effects that: the electric demister is driven by the driving mechanism to rotate, rise and accumulate gravitational potential energy, then in the process of free falling body movement of the electric demister, when the electric demister just begins to contact with the first elastic piece, the first elastic piece gives the electric demister larger instant resistance, so that liquid in the electric demister drops due to inertia effect, then under the rebound force effect generated after the first elastic piece is compressed, the electric demister moves upwards again, after the upward movement is finished, the electric demister moves downwards again to squeeze the first elastic piece under the action of gravity, and after the above processes are repeated for several times, liquid drops in the electric demister drop due to inertia effect, so that the purpose of rapidly discharging liquid in the electric demister is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall three-dimensional structure of a desulfurization device by a tail gas hydrogen peroxide method;
FIG. 2 is a schematic diagram of the internal structure of the tail gas hydrogen peroxide desulfurization device;
FIG. 3 is a schematic axial sectional structure of the tail gas hydrogen peroxide desulfurization device of the application;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B;
fig. 6 is a schematic diagram of a connection structure between a round table and a fourth shaft lever of the tail gas hydrogen peroxide method desulfurization device;
FIG. 7 is a schematic diagram of a limiting groove and limiting block connection structure of the tail gas hydrogen peroxide method desulfurization device;
fig. 8 is a schematic diagram of a third shaft rod of the tail gas hydrogen peroxide method desulfurization device.
Reference numerals illustrate:
1. a tower body; 10. a first elastic member; 2. an electric defogger; 3. a driving mechanism; 30. a cross bracket; 31. a first shaft; 32. a driving source; 33. a cylinder; 34. an incomplete gear mechanism; 35. a second shaft; 36. a U-shaped frame; 37. a third shaft; 38. a first chute; 380. a helical section; 381. a vertical section; 39. a first slider; 40. a second chute; 41. a second slider; 42. a ring body; 43. a locking mechanism; 430. pressing blocks; 431. a limit wedge block; 432. a connecting rod; 433. extruding the wedge block; 5. a spraying system; 50. round bench; 51. a fourth shaft; 52. a spray header; 53. a limit groove; 54. a limiting block; 55. a fifth shaft; 56. a friction plate; 57. a friction wheel; 58. a third chute; 59. a third slider; 60. a fourth slider; 61. a V-shaped movable rod; 62. and a fifth slider.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present application, the present application will be described in further detail with reference to fig. 1 to 8.
In a first embodiment provided by the application, a desulfurizing device by a tail gas hydrogen peroxide method is provided, which comprises a tower body 1 and an electric demister 2 arranged in the tower body 1, wherein the electric demister 2 is longitudinally arranged in the tower body 1 in a sliding manner, a first elastic piece 10 is arranged in the tower body 1, and the desulfurizing device further comprises a driving mechanism 3, and the driving mechanism 3 drives the electric demister 2 to move in two strokes: a first stroke in which the electric defogger 2 is rotated while sliding upward and away from the first elastic member 10; in the second stroke, the electric demister 2 performs free falling motion and extrudes the first elastic piece 10, and the electric demister 2 bounces and oscillates in the tower body 1 under the elastic action of the first elastic piece 10.
Specifically, a desulfurizing tower body for tail gas desulfurization is generally cylindrical structure, electric defroster 2 type is multiple, this embodiment is improved to the prior art problem that multitube formula electric defroster 2 exists, the concrete structure of multitube formula electric defroster 2 is for the prior art does not do too much excrescence, because electric defroster 2's volume is great weight also bigger, so in this embodiment, the elastic component that involves, if first elastic component 10 obviously is made by adopting the material that is enough to support electric defroster 2, and after electric defroster 2 does the free fall compression first elastic component 10, the resilience that first elastic component 10 gave still can bounce electric defroster 2, this select the spring of suitable model can, it is not excrescence.
During operation, the driving mechanism 3 drives the electric demister 2 to rotate firstly, the rotation of the electric demister 2 can form a centrifugal effect, so that liquid drops attached to one side of the inner wall of the inner pipe of the electric demister 2 fly to the other side under the centrifugal effect, then the liquid drops on one side are contacted with the liquid drops on the other side to form larger volume of liquid, the liquid is facilitated to drop, the electric demister 2 can also rise in the rotating process so as to accumulate gravitational potential energy, when the rising height of the electric demister 2 reaches a designed height (for example, when the gravitational potential energy accumulated by the rising of the electric demister 2 on the original basis is 1 meter, the liquid drops attached to the inner wall of the pipe can be separated from the pipe due to the inertia effect), at the moment, the first travel is finished, namely, the electric demister 2 does not rotate any more, then the second travel begins, and the electric demister 2 does free falling body movement.
When the first stroke of the electric demister 2 is not started, the electric demister 2 is in contact with the first elastic piece 10, the first elastic piece 10 gives the electric demister 2 elastic support, so that the electric demister 2 can always maintain the height in a static state, after the electric demister 2 does free falling motion, the first elastic piece 10 can rebound upwards to extend for a certain distance, then the electric demister 2 is extruded by the electric demister 2, the electric demister 2 starts to be compressed downwards to store elastic potential energy, at the moment when the electric demister 2 and the first elastic piece 10 just contact, the first elastic piece 10 gives the electric demister 2 resistance, so that the falling speed of the electric demister 2 at the moment is obviously slowed down, then liquid on the inner wall of the inner pipe of the electric demister 2 wants to keep the original falling speed, the electric demister 2 can slide downwards or drip down from the inner wall of the pipe due to inertia, then under the elastic action of the first elastic piece 10, the elastic potential energy stored by the first elastic piece 10 releases the electric demister 2 to be compressed and stored up, and the electric demister 2 can rebound upwards, and the liquid on the inner wall of the electric demister 2 is in the static state, and the electric demister 2 can rebound to the first elastic piece 2 is completely and the electric demister 2 can be made to slide down on the inner wall of the pipe or the electric demister 2 when the electric demister is repeatedly and the electric demister 2 is in the static state.
The rotation of the electric demister 2 can be realized through a driving part in a circumferential direction, such as a gear is arranged at the output end of a motor, a gear ring is fixedly sleeved on the outer side of a shell or a bracket of the electric demister 2, the gear and the gear ring are meshed, the electric demister 2 can be lifted in the rotation process, such as applying an axial driving force at the bottom of the electric demister 2, such as a hydraulic cylinder, and the motor and the hydraulic cylinder can be removed simultaneously when the electric demister 2 is required to be in free falling, such as a driving part for controlling the motor and the hydraulic cylinder to move together by a mechanism is further arranged.
The beneficial effects of this embodiment lie in: firstly, the electric demister 2 is driven to rotate by the driving mechanism 3, and liquid drops on the inner wall of the pipe body are gathered on the same side by utilizing the centrifugal effect to form liquid with larger volume, so that the liquid can be dropped easily; secondly, the electric demister 2 ascends to accumulate gravitational potential energy, then in the process that the electric demister 2 does free falling body movement, when the electric demister 2 just begins to contact with the first elastic piece 10, the first elastic piece 10 gives the electric demister 2 larger instant resistance, so that liquid in the electric demister 2 drops due to inertia effect, then under the rebound force effect generated after the first elastic piece 10 is compressed, the electric demister 2 moves upwards again, after the upward movement is finished, the electric demister 2 moves downwards again under the action of gravity to squeeze the first elastic piece 10 again, after the above processes are repeated for several times, liquid drops in the electric demister 2 drop due to inertia effect, and the purpose of rapidly discharging the liquid in the electric demister 2 is achieved.
Preferably, the driving mechanism 3 includes two cross brackets 30 longitudinally arranged in parallel in the tower body 1, a first shaft lever 31 is fixedly connected between the cross centers of the two cross brackets 30, the first shaft lever 31 penetrates through the axial center of the electric demister 2, a first driving branched chain driving the electric demister 2 to intermittently rotate along the axial line of the first shaft lever 31 is arranged on the tower body 1, and a second driving branched chain driving the electric demister 2 to rise and move in a free falling manner based on the rotating force of the electric demister 2 is arranged on the first shaft lever 31.
Specifically, because the electric demister 2 rotates and rises simultaneously in the first journey, after the first journey is finished, in the second journey, the electric demister 2 can do free-falling body motion, then the electric demister 2 can not rotate, so in this embodiment, the first driving branched chain drives the electric demister 2 to rise simultaneously when the first driving branched chain drives the electric demister 2 to rotate circumferentially, after the electric demister 2 moves longitudinally at each time (namely, the free-falling body motion of the electric demister 2 contacts with the first elastic piece 10, so that the electric demister 2 is in rebound oscillation in the longitudinal direction), the electric demister 2 can be driven to rotate continuously, so that the first driving branched chain drives the electric demister 2 to intermittently rotate every time, the electric demister 2 can do free-falling body motion in a time period when the first driving branched chain drives the electric demister 2 to rotate circumferentially, the second driving branched chain drives the electric demister 2 to move freely after the first driving branched chain rotates circumferentially, and the second driving branched chain starts to drive the electric demister 2 to rotate freely, and accordingly, the electric demister 2 rotates to form liquid drops on the same inner wall of the electric demister 2 and form liquid drops on the side of the electric demister 2 due to the fact that the liquid drops form the rebound oscillation device and the liquid drops form the liquid drops on the side of the same elastic piece.
Preferably, the first driving branched chain comprises a driving source 32 arranged on the tower body 1 and a cylinder 33 sleeved on the outer wall of the electric demister 2, the cylinder 33 is rotationally connected with the inner wall of the tower body 1, the electric demister 2 is axially and slidably connected with the cylinder 33, and the power output end of the driving source 32 and the power output end of the cylinder 33 are previously transmitted through an incomplete gear mechanism 34 so that the electric demister 2 intermittently rotates.
Specifically, the electric demister 2 rotates by 360 ° in a circle, and slides in the longitudinal direction as freely as possible, so that the rotation angle of the electric demister 2 is as large as possible, the rotation stroke of the electric demister 2 is increased, and a longer centrifugal effect is provided for the liquid in the tube body each time, for example, each time the driving source 32 transmits power to the tube body 33 through the incomplete gear mechanism 34, the electric demister can be driven to rotate by about 150 ° each time.
Wherein the number of teeth on the driving wheel of the incomplete gear mechanism 34 is incomplete, the number of teeth and the position on the driven wheel are determined by the movement and the intermittent time of the driven wheel, and when the driving wheel rotates unidirectionally, the driven wheel moves unidirectionally and intermittently.
Preferably, the second driving branched chain comprises a second shaft rod 35 fixedly connected to the center of the upper end of the electric demister 2, the second shaft rod 35 is sleeved on the first shaft rod 31, the second shaft rod 35 can axially slide on the first shaft rod 31 and can circumferentially rotate, a U-shaped frame 36 is arranged at the upper end of the second shaft rod 35, a third shaft rod 37 is fixedly connected at the intersection point of the cross support 30 positioned at the upper position in the tower body 1, a first sliding groove 38 is formed in the third shaft rod 37, the first sliding groove 38 integrally surrounds the third shaft rod 37, a first sliding block 39 is slidably arranged in the first sliding groove 38, and two first sliding blocks 39 are fixedly connected to the two sides of the top of the U-shaped frame 36 respectively, namely, the two first sliding blocks 39 respectively slide in the first sliding grooves on the two opposite sides of the third shaft rod 37; the first chute 38 is divided into two spiral sections 380 arranged in parallel on the outer wall of the third shaft 37, and two vertical sections 381 connecting the two spiral sections 380.
Specifically, in the initial position, the first sliding block 39 is located at the lowest end of the first sliding groove 38, that is, at the intersection point of the lower end of the spiral section 380 and the lower end of the vertical section 381, when the driving source 32 drives the barrel 33 to rotate through the incomplete gear mechanism 34, the barrel 33 drives the electric demister 2 to rotate, the electric demister 2 drives the second shaft rod 35 to rotate, the second shaft rod 35 drives the U-shaped frame 36 to rotate, and then the first sliding block 39 is driven by the first sliding groove 38 to spiral up from the lower end to the upper end along the spiral section 380 under the driving force of the first sliding groove 38, when the first sliding block 39 is at the end of the high end sliding of the spiral section 380, the intermittent rotation of the driving source 32 driving the barrel 33 through the incomplete gear mechanism 34 also begins to stop, so that the first sliding block 39 is also located at the highest end of the vertical section 381, that is, the electric demister 2 can begin to do free falling body motion when the electric demister 2 is under the action of the first elastic member 10, after the first sliding block 39 is at the end, the first elastic member 10 is driven by the elastic member to rebound, the first sliding block 39 is repeatedly driven by the first sliding block, that is located at the intersection point of the upper end of the first sliding block 380, that is not completely, and then the intermittent rotation of the first sliding block 33 is carried out, and the first sliding block is repeatedly driven by the first sliding block 33, and the upper end of the first sliding block 33 through the intermittent sliding block is at the upper end of the first sliding section.
Preferably, the first elastic member 10 is sleeved on the outer wall of the cylinder 33, a plurality of second sliding grooves 40 are arranged on the outer wall of the cylinder 33 in parallel in the circumferential direction, a plurality of second sliding blocks 41 are longitudinally arranged in the second sliding grooves 40 in a sliding manner, the plurality of second sliding blocks 41 are fixedly connected together by a ring body 42, and the outer wall of the electric demister 2 is fixedly connected with the second sliding blocks 41.
Specifically, when the electric demister 2 is in the initial position, the ring body 42 contacts with the first elastic member 10, and in the process that the electric demister 2 is driven to move upwards, the ring body 42 is gradually separated from the first elastic member 10, and when the electric demister 2 does free falling motion, the ring body 42 contacts with the first elastic member 10 again and extrudes the first elastic member, so that the first elastic member 10 generates elastic potential energy to provide power for rebound oscillation of the electric demister 2.
Because the electric demister 2 internally carries liquid drops, the weight of the electric demister 2 changes, the gas flow speed in the tower body 1 changes, and resistance generated by downward movement of the electric demister 2 changes, when the electric demister 2 performs free falling motion to extrude the first elastic piece 10, if the descending height of the electric demister 2 is increased, the first sliding block 39 cannot stop in time when the vertical section 381 slides to the lowest end, and then the first sliding block 39 collides with the lowest end of the vertical section 381, so that the damage to components is seriously caused.
Thus, in this embodiment, further, the lower end of the vertical section 381 is lower than the lower end of the helical section 380; specifically, in this case, the first slider 39 may continue to slide downward within the vertical segment 381 a distance to avoid the first slider 39 from striking the lower end of the vertical segment 381.
In order to solve the foregoing problem, the present application further provides an embodiment, namely, in the second embodiment provided by the present application, the U-shaped frame 36 is connected to the second shaft 35 through a locking mechanism 43, the radial dimension of the spiral section 380 from the axis of the first shaft 31 from the low end to the high end is gradually increased, the first slider 39 is pressed in the sliding stroke from the low end to the high end of the spiral section 380, and the locking mechanism 43 releases the locking of the second shaft 35 based on the pressing action; the first slide 39 moves slowly down in the vertical section 381 under the mutual friction.
Specifically, the original integral structure between the U-shaped frame 36 and the second shaft 35 is changed into a split structure, and the split structure is connected through the locking mechanism 43, in the process that the first slider 39 moves from the low end to the high end of the spiral section 380, the radial dimension of the spiral degree from the low end to the high end of the first slider 39 to the axis of the second shaft 35 is gradually increased, the extrusion effect on the first slider 39 is more and more obvious, so that the locking mechanism 43 can remove the locking on the second shaft 35 by utilizing the extrusion effect, the second shaft 35 and the U-shaped frame 36 are separated, namely, the electric demister 2 and the second shaft 35 integrally do free-falling motion, the U-shaped frame 36 and the first slider 39 slowly move downwards in the vertical section 381 due to the friction effect, the impact effect generated by the lowest end of the first slider 39 and the vertical section 381 is negligible, the low end of the vertical section 381 does not need to be prolonged downwards, the protection effect on the components is also realized, after the rebound oscillation of the electric demister 2 is finished, the first elastic piece 10 pushes the second shaft 35 and the U-shaped frame 36 back to the original position, namely, the electric demister 2 and the locking mechanism 43 is locked again.
Preferably, the locking mechanism 43 includes a limit wedge 431 slidably disposed on the first slider 39 and connected to the pressure receiving block 430 through a connecting rod 432, wherein a second elastic member is connected between the limit wedge 431 and the U-shaped frame 36 in the sliding direction, an extrusion wedge 433 is disposed on the second shaft 35, and after the second shaft 35 is completely inserted into the U-shaped frame 36, the limit wedge 431 limits the extrusion wedge 433.
Specifically, when the second shaft 35 is inserted into the U-shaped frame 36, the pressing wedge 433 is located above the pressing wedge 431, the pressing wedge 431 is limited to the pressing wedge 433, so that the pressing wedge 433 cannot move downward, the second shaft 35 and the U-shaped frame 36 are locked and cannot be separated, during the process that the pressed block 430 follows the first slider 39 to move up along the spiral section 380, as the radial dimension of the spiral section 380 from the low end to the high end from the axis of the first shaft 31 is gradually increased, the pressing block 430 is gradually increased under the pressing action of the spiral section 380 on the pressed block 430, the pressed block 430 slides in the first slider 39, the first slider 39 slides through the connecting rod 432 to drive the pressing wedge 431 to move in a direction far away from the axis of the first shaft 31, the limiting wedge 431 and the pressing wedge 433 are gradually separated until the second shaft 35 and the U-shaped frame 36 are completely separated, during the process that the pressing wedge 431 is pressed first, so that the limiting wedge 431 moves toward the direction far away from the axis of the second shaft 35, and then the second slider 431 moves toward the direction far away from the second shaft 433, and the elastic wedge 431 is continuously moved toward the direction, and the elastic wedge 431 is gradually separated toward the direction of the second slider 433 after the second slider 433, and the elastic wedge 431 moves toward the direction is continuously formed.
In the third embodiment provided by the application, a spraying system 5 is further arranged below the electric demister 2 in the tower body 1; specifically, the spraying system 5 carries out desulfurization treatment on the flue gas entering the tower body 1, namely the flue gas is conveyed upwards from the tower bottom, the spraying system 5 sprays hydrogen peroxide downwards, the hydrogen peroxide and the flue gas are subjected to countercurrent contact reaction for absorption, the liquid phase falls into a circulating groove at the tower bottom, and the gas phase is discharged from the tower top.
Further, the spraying system 5 includes a circular table 50 slidably disposed on the first shaft 31, a plurality of fourth shafts 51 are rotationally disposed on the side wall of the circular table 50 in parallel in the circumferential direction (i.e., the fourth shafts 51 are rotationally disposed in the radial direction of the circular table 50), a plurality of spraying heads 52 are axially disposed in parallel in the fourth shaft 51, a plurality of limiting grooves 53 are circumferentially disposed in parallel in the inner wall of the tower 1, a limiting block 54 is rotationally disposed in the limiting groove 53, the limiting block 54 rotates in the limiting groove 53 by 180 °, each fourth shaft 51 is fixedly connected with a limiting block 54, a fifth shaft 55 is axially sleeved on the first shaft 31 in a sliding manner, the circular table 50 is slidably connected with the fifth shaft 55, a friction plate 56 is disposed on the fifth shaft 55, a friction wheel 57 is disposed on the fourth shaft 51, the friction plate 56 is in frictional contact with the friction wheel 57, the fifth shaft 55 is axially slid down along the first shaft 31 by the electric demister 2 in a compression stroke of the first elastic member 10, the friction wheel 57 is driven by the friction plate 56 to rotate for half a period, the spraying heads 52 rotate in the direction to spray hydrogen peroxide to the electric demister 2, and thus the electric demister 2 can only absorb sulfur dioxide gas in a volume of the electric demister 2.
Still further, a plurality of third sliding grooves 58 are arranged in parallel on the circumference of the inner wall of the tower body 1, a third sliding block 59 is arranged in the third sliding groove 58 in a longitudinal sliding manner, a limiting groove 53 is arranged on the third sliding block 59, a fourth sliding block 60 is arranged on the first shaft rod 31 in an axial sliding manner, a third elastic piece is connected between the fourth sliding block 60 and a cross bracket 30 positioned below the tower body 1, a V-shaped movable rod 61 is arranged between the third sliding block 59 and the fourth sliding block 60, one end of the V-shaped movable rod 61 is hinged with the third sliding block 59, the other end of the V-shaped movable rod is hinged with the fourth sliding block 60, the middle part of the V-shaped movable rod is slidably arranged on the cross bracket 30 positioned below the tower body 1 through a fifth sliding block 62, the fifth shaft rod 55 slides downwards to drive a friction wheel 57 to rotate for half a cycle through a friction plate 56 and then extrudes the fourth sliding block 60, and the third sliding block 59 is driven to move upwards through the V-shaped sliding rod so that the spray head 52 washes the electric demister 2 deeper.
Specifically, since the friction plate 56 drives the friction wheel 57 to rotate only for half a circle, and then the electric demister 2 continues to squeeze the fifth shaft lever 55 to move downwards, the friction plate 56 and the friction wheel 57 are converted from rolling friction to sliding friction, the fifth shaft lever 55 squeezes the fourth slider 60, the fourth slider 60 is squeezed to move downwards to squeeze the third elastic piece, the fourth slider 60 moves downwards to drive one end of the V-shaped movable lever 61 to swing downwards, the fifth slider 62 slidingly connected with the cross bracket 30 is pushed to move towards a direction far away from the axis of the first shaft lever 31, the fifth slider 62 drives the other end of the V-shaped movable lever 61 to swing upwards, the third slider 59 is pushed to move upwards, and the fourth shaft lever 51 is pushed to move upwards by the upward movement of the third slider 59, so that the fourth shaft lever 51 drives the spray head 52 to be closer to the electric demister 2, and a deeper position in the pipe body can be sprayed.
In a fourth embodiment, the application further relates to a tail gas hydrogen peroxide method desulfurization process, which is used for ionizing and capturing acid mist, dust and aerosol contained in the desulfurized tail gas through the tail gas hydrogen peroxide method desulfurization device.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (10)
1. The tail gas hydrogen peroxide method desulfurization device comprises a tower body and an electric demister arranged in the tower body, and is characterized in that the electric demister is longitudinally arranged in the tower body in a sliding manner, and a first elastic piece is arranged in the tower body;
the electric defogger comprises a driving mechanism, wherein the driving mechanism drives the electric defogger to move in two strokes:
a first stroke in which the electric defogger rotates while sliding upward and is away from the first elastic member;
and the electric demister does free falling motion and extrudes the first elastic piece, and the electric demister bounces and oscillates in the tower body under the elastic action of the first elastic piece.
2. The tail gas hydrogen peroxide process desulfurization device according to claim 1, wherein the driving mechanism comprises two cross brackets longitudinally arranged in parallel in the tower body, a first shaft rod is fixedly connected between the cross centers of the two cross brackets, the first shaft rod penetrates through the axial center of the electric demister, a first driving branched chain for driving the electric demister to intermittently rotate along the axial line of the first shaft rod is arranged on the tower body, and a second driving branched chain for driving the electric demister to ascend and freely fall based on the rotating force of the electric demister is arranged on the first shaft rod.
3. The tail gas hydrogen peroxide process desulfurization device according to claim 2, wherein the first driving branched chain comprises a driving source arranged on a tower body and a cylinder sleeved on the outer wall of the electric demister, the cylinder is rotationally connected with the inner wall of the cylinder, the electric demister is axially and slidingly connected with the cylinder, and the power output end of the driving source and the cylinder are transmitted with power through an incomplete gear mechanism so that the electric demister intermittently rotates.
4. The tail gas hydrogen peroxide process desulfurization device according to claim 3, wherein the second driving branched chain comprises a second shaft rod fixedly connected to the center of the upper end of the electric demister, a U-shaped frame is arranged at the upper end of the second shaft rod, a third shaft rod is fixedly connected to the cross point of a cross support positioned at the upper position in the tower body, a first sliding groove is formed in the third shaft rod, a first sliding block is arranged in the first sliding groove in a sliding manner, and the U-shaped frame is fixedly connected with the first sliding block;
the first sliding groove is divided into two spiral sections and two vertical sections, wherein the two spiral sections are arranged in parallel on the circumferential direction of the outer wall of the third shaft rod, and the two vertical sections are connected with the head and the tail of the two spiral sections.
5. The desulfurization device for tail gas by hydrogen peroxide according to claim 4, wherein the first elastic piece is sleeved on the outer wall of the cylinder, a plurality of second sliding grooves are arranged on the outer wall of the cylinder in parallel in the circumferential direction, second sliding blocks are longitudinally arranged in the second sliding grooves in a sliding manner, the plurality of second sliding blocks are fixedly connected together through a ring body, and the outer wall of the electric demister is fixedly connected with the second sliding blocks.
6. The apparatus for desulfurizing tail gas by hydrogen peroxide according to claim 4, wherein the lower end of said vertical section is lower than the lower end of said spiral section.
7. The desulfurization device for tail gas by hydrogen peroxide according to claim 4, wherein the U-shaped frame is connected with the second shaft rod through a locking mechanism, the spiral degree is gradually increased from the low end to the high end along the radial dimension of the axis of the first shaft rod, the first sliding block is extruded in the sliding stroke from the low end to the high end of the spiral degree, and the locking mechanism releases the locking of the second shaft rod based on the extrusion;
the first slider moves slowly downward under the mutual friction in the vertical section.
8. The tail gas hydrogen peroxide process desulfurization device according to claim 7, wherein the locking mechanism comprises a limit wedge block which is slidably arranged on the first sliding block and is connected with the first sliding block through a connecting rod, a second elastic piece is connected between the limit wedge block and the U-shaped frame in the sliding direction, an extrusion wedge block is arranged on the second sliding block, and after the second sliding block is completely inserted into the U-shaped frame, the limit wedge block forms a limit for the extrusion wedge block.
9. The tail gas hydrogen peroxide process desulfurization device according to claim 1, wherein a spraying system is further arranged below the electric demister in the tower body.
10. The tail gas hydrogen peroxide process desulfurization process is characterized in that acid mist, dust and aerosol contained in the desulfurized tail gas are ionized and trapped by the tail gas hydrogen peroxide process desulfurization device according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310511089.7A CN117065544B (en) | 2023-05-08 | 2023-05-08 | Tail gas hydrogen peroxide method desulfurization device and process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310511089.7A CN117065544B (en) | 2023-05-08 | 2023-05-08 | Tail gas hydrogen peroxide method desulfurization device and process |
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| CN117065544A true CN117065544A (en) | 2023-11-17 |
| CN117065544B CN117065544B (en) | 2024-05-17 |
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| CN216856238U (en) * | 2021-12-16 | 2022-07-01 | 江苏开锐德机械有限公司 | Desulfurization and demisting integrated absorption tower |
| CN216909526U (en) * | 2021-11-30 | 2022-07-08 | 青鸢合机械制造(潍坊)有限公司 | Demister for boiler desulfurization tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08229341A (en) * | 1995-02-23 | 1996-09-10 | Mitsui Mining Co Ltd | Gas-liquid contacting method and device thereof |
| JP2011183335A (en) * | 2010-03-10 | 2011-09-22 | Chugoku Electric Power Co Inc:The | Demister washing method |
| CN104623983A (en) * | 2015-02-10 | 2015-05-20 | 武汉工程大学 | Tower type reactor internally provided with vibrating demister |
| CN204563775U (en) * | 2015-02-10 | 2015-08-19 | 武汉工程大学 | The tower reactor of oscillating mode demister is provided with in a kind of |
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| CN117065544B (en) | 2024-05-17 |
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Address after: 014412 Ulat Front Banner Industrial Park, Bayannur City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Jinhui Rare Ore Co.,Ltd. Country or region after: China Address before: 014412 Ulat Front Banner Industrial Park, Bayannur City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Jinhui rare ore Co.,Ltd. Country or region before: China |