CN114307493A - Zinc smelting tail gas purification and recycling device - Google Patents
Zinc smelting tail gas purification and recycling device Download PDFInfo
- Publication number
- CN114307493A CN114307493A CN202111640726.8A CN202111640726A CN114307493A CN 114307493 A CN114307493 A CN 114307493A CN 202111640726 A CN202111640726 A CN 202111640726A CN 114307493 A CN114307493 A CN 114307493A
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- pipe
- box
- fixedly connected
- tower
- tail gas
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000011701 zinc Substances 0.000 title claims abstract description 45
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 45
- 238000003723 Smelting Methods 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000000746 purification Methods 0.000 title claims description 11
- 238000005406 washing Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000009792 diffusion process Methods 0.000 claims abstract description 23
- 238000000605 extraction Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 41
- 239000007789 gas Substances 0.000 abstract description 30
- 239000007787 solid Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 11
- 239000002994 raw material Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 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
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
The invention discloses a zinc smelting tail gas purifying and recycling device, which relates to the technical field of industrial waste gas recycling and comprises a tower box, wherein a first conveying pipe and a second conveying pipe are fixedly connected to the side surface of the tower box from bottom to top in sequence, the upper end and the lower end of the tower box are respectively and fixedly connected with a first discharge pipe and a second discharge pipe, a disturbance structure is arranged between the first conveying pipe and the second conveying pipe inside the tower box, a driving structure for driving the disturbance structure is arranged on one side of the tower box, a diffusion structure communicated with the second conveying pipe is arranged inside the tower box, and an extraction structure is arranged on the upper side, close to the diffusion structure, inside the tower box. According to the invention, the diffusion structure is arranged in the tower box, so that the washing liquid can be scattered, the first filter screen in the diffusion structure can separate solid impurities in the waste gas, and meanwhile, the exhaust speed of the waste gas can be increased and the exhaust direction of the waste gas is restricted by the extraction structure.
Description
Technical Field
The invention relates to the technical field of industrial waste gas recovery, in particular to a zinc smelting tail gas purification and recycling device.
Background
The zinc smelting mainly comprises pyrometallurgical smelting and hydrometallurgical smelting, wherein the zinc smelting in an electric furnace is to mix zinc oxide materials with carbonaceous reducing agents and reduce the mixture into gaseous zinc at high temperature, but in the process of circuit zinc smelting, a zinc simple substance in tail gas accounts for about 20% of the total content in initial furnace gas, and if the zinc simple substance is directly discharged, a large amount of zinc can be lost, and air pollution is caused.
Through retrieval, the Chinese patent discloses a high-efficiency recovery method of simple substance zinc in the tail gas of electric furnace zinc smelting (publication number: CN110029233A), which comprises the steps of preparing a quenching salt solution; conveying the electric furnace zinc smelting tail gas subjected to condensation and zinc collection to a washing tower through a conveying pipeline, quenching the tail gas in the washing tower by taking a prepared salt solution as a washing liquid, and collecting simple substance zinc in the tail gas; and collecting the zinc elementary substance and the washing liquid together to the bottom of the tower after quenching, filtering, separating and recovering the elementary substance zinc, and supplementing and recycling the separated salt solution.
In the prior art, for example, as shown in fig. 1, the scrubbing liquid is contacted with the discharged gas through a spraying structure to react, and the single zinc and the waste gas are separated and recovered, but the purification efficiency of the waste gas is related to the discharge speed, and the reaction rate between the waste gas and the scrubbing liquid is reduced when the discharge speed is slow.
Disclosure of Invention
The invention aims to provide a zinc smelting tail gas purification and recycling device, which solves the following technical problems:
how to improve the direct contact quality of the waste gas and the washing liquid so as to improve the efficiency of separating the simple substance zinc;
how to rapidly recover the simple substance zinc and how to add raw materials into the washing liquid, thereby facilitating the recycling of the washing liquid.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a zinc smelting tail gas purifies recycle device, includes the tower case, supreme first conveyer pipe and the second conveyer pipe of fixedly connected with in proper order are followed to the side of tower case from down, and first conveyer pipe and second conveyer pipe are used for carrying tail gas and washing liquid respectively, and the upper and lower both ends of tower case fixedly connected with first delivery pipe and second delivery pipe respectively, are used for discharging tail gas after the purification and discharge simple substance zinc and washing liquid after using respectively, the inside of tower case is located installs disturbance structure between first conveyer pipe and the second conveyer pipe, and one side of tower case installs the drive structure of drive disturbance structure, the inside diffusion structure who communicates with the second conveyer pipe that installs of tower case, and the inside upside that is close to the diffusion structure of tower case installs extraction structure, is used for collecting the waste gas of tower case inside, thereby increases the flow velocity of waste gas;
the inside of second delivery pipe installs screening structure for separate simple substance zinc and waste gas, and one side fixedly connected with circulating pipe of second delivery pipe for discharge the washing liquid after using, the upper surface mounting of circulating pipe puts in the structure, is used for replenishing the raw materials that the washing liquid consumed.
As a further scheme of the invention: the extraction structure includes the first mount with tower incasement wall fixed connection, the internally mounted of first mount has at least a set of driving fan to driving fan is provided with two kinds of modes of upwards blowing and downwards blowing, thereby conveniently adjusts according to actual demand.
As a further scheme of the invention: the diffusion structure includes the box that is connected with tower incasement wall, the washing cistern that is connected with the second conveyer pipe is seted up to the inside of box, and the lower surface of box sets up the first intercommunication groove that a plurality of and washing cistern are linked together, the second intercommunication groove of a plurality of distribution in first intercommunication groove one side is seted up to the inside of box, and the both ends in second intercommunication groove and the both sides of box intercommunication to make things convenient for waste gas to pass, and the first filter screen of lower fixed surface of box is connected with, and first filter screen cage covers in the outside of all first intercommunication grooves, thereby can disperse the washing liquid when the washing liquid passes through from first filter screen.
As a further scheme of the invention: the utility model discloses a tower case, including the disturbance structure, the inside rotation of second mount is connected with the connecting axle, the top outside fixedly connected with a plurality of blade of connecting axle, a plurality of blade all are provided with the same inclination to the incline direction is the same, the gear is connected to the bottom fixedly connected with second of connecting axle.
As a further scheme of the invention: the driving structure comprises a driving motor and a protective pipe which are connected with the side face of the tower box, a first connecting gear is fixedly connected with the output end of the driving motor, the protective pipe is sleeved outside the output end of the driving motor and the bottom end of the connecting shaft, a synchronous belt is arranged in the protective pipe in a sleeved mode and is arranged outside the second connecting gear and the first connecting gear, and the synchronous belt is connected with the second connecting gear and the first connecting gear in a meshed mode.
As a further scheme of the invention: the middle part of the lower side of the protection pipe inclines to the side edge, and the cross section of the protection pipe forms a triangular structure protruding downwards, so that the blockage caused by the flowing of waste gas is avoided.
As a further scheme of the invention: the screening structure comprises a base frame fixedly connected with the inner wall of the second discharge pipe, one end of the base frame extends to the outer side of the second discharge pipe, an opening is formed in one end, located on the outer side of the second discharge pipe, of the base frame, and a second filter screen extending to the inside of the opening is connected to the base frame in a sliding mode and used for separating the single zinc from the waste gas when the waste gas passes through the opening.
As a further scheme of the invention: the opening one side of bed frame articulates through the hinge has the rotor plate, the rotor plate is connected with the extruded piece towards one side adhesion of second filter screen, the inside one end of keeping away from the rotor plate of bed frame is installed the elastic component for fix the second filter screen between extruded piece and elastic component.
As a further scheme of the invention: the elastic piece includes a plurality of and bed frame fixed connection's spring part, and a plurality of spring part is towards the one end fixedly connected with connecting plate of second filter screen for improve with the contact quality of second filter screen.
As a further scheme of the invention: the base frame is located the rotating plate downside fixedly connected with quantity and the unanimous second screw block of first screw block, equal threaded connection has locking bolt between second screw block and the first screw block.
As a further scheme of the invention: the feeding structure comprises a feeding box fixedly connected with a circulating pipe, a storage tank is arranged in the feeding box, a discharge tank is arranged on the lower side, close to the storage tank, of the feeding box, a rotary disk is connected to the lower side, close to the discharge tank, of the feeding box in a rotating mode, the top of the discharge tank is communicated with the storage tank, the bottom of the discharge tank is attached to the outer side of the surface of the rotary disk, a discharge port is formed in the bottom of the discharge tank, the width of the discharge port is smaller than that of the rotary disk, a plurality of equally-distributed troughs are formed in the side face of the rotary disk, and the troughs are communicated with a discharge port at the bottom of the discharge tank when rotating to the right above and accordingly can convey washing liquid raw materials inside the storage tank to the troughs.
As a further scheme of the invention: the inside sliding connection who puts in the case has the division board that extends to the inside of blown down tank for the intercommunication situation of control blown down tank, the division board include with blown down tank sliding connection's plate body, the intercommunication mouth has been seted up to the inside of plate body, the size of intercommunication mouth is less than the size of blown down tank, one side portrayal that the plate body upper surface is close to the intercommunication mouth has two sets of mark lines, and the one end of plate body extends to the outside of putting in the case, when the mark line that is close to plate body outside one end is adjacent with the case of putting in, then the intercommunication mouth has the position of intercommunication with the blown down tank, when another mark line is adjacent with the case of putting in, then the position that the intercommunication mouth was not seted up to the inside of blown down tank is removed to the blown down tank to shelter from.
As a further scheme of the invention: a driving structure is installed on one side of the feeding box, and the output end of the driving structure is connected with the rotating disk and used for driving the rotating disk to rotate actively, so that the quantity and the speed of raw material supplement can be adjusted conveniently.
As a further scheme of the invention: the output end of the driving structure is provided with a locking structure for preventing the flowing of the washing liquid in the circulating pipe from driving the rotating disk to rotate.
As a further scheme of the invention: the use method of the zinc smelting tail gas purification and recycling device comprises the following steps:
the method comprises the following steps: conveying the washing liquid into the diffusion structure through a second conveying pipe, scattering the washing liquid through a first filter screen along a first connecting groove, and then dropping the washing liquid into the tower box;
step two: conveying waste gas into the tower box through a first conveying pipe, starting a driving structure to drive a disturbance structure, disturbing the waste gas when the waste gas passes through, enabling the waste gas to float upwards to be in contact with washing liquid, separating simple substance zinc from the waste gas after the waste gas reacts with the washing liquid, enabling the simple substance zinc to fall onto a second filter screen in a screening structure, and discharging the residual waste gas out of the tower box along a first discharge pipe;
step three: the washing liquid is retrieved along the circulation pipe behind through the screening structure, and when putting in the rotary disk in the structure, drive the rotary disk and rotate, the rotary disk is when the blown down tank, and the raw materials of putting in case raw material groove falls into corresponding silo to along with the rotation of silo, the raw materials falls into the circulation pipe, supplements the raw materials of consumption in the circulation pipe.
As a further scheme of the invention: in the second step, the extraction structure is started, the exhaust gas is accelerated to pass through the diffusion structure, the moving direction of the exhaust gas is restrained, and the contact efficiency of the exhaust gas and the washing liquid is improved.
The invention has the beneficial effects that:
according to the invention, the diffusion structure is arranged in the tower box, so that the washing liquid can be scattered, the first filter screen in the diffusion structure can separate solid impurities in the waste gas, meanwhile, the exhaust speed of the waste gas can be increased through the extraction structure, and the exhaust direction of the waste gas is restricted, so that the contact quality of the waste gas and the washing liquid is improved;
on the other hand, a disturbance structure is arranged between the first conveying pipe and the diffusion structure inside the tower box, and the waste gas can be disturbed when passing through the disturbance structure, so that the contact area between the waste gas and the washing liquid is increased, and the contact quality between the waste gas and the washing liquid is further improved;
simultaneously, the screening structure in the second discharge pipe is retrieved simple substance zinc and washing liquid separation back, retrieve through the circulating pipe, thereby make things convenient for the recovery of washing liquid to recycle, and at the in-process of retrieving, through the rotary disk in the input structure, and drive the rotary disk and rotate, when the rotary disk rotates, according to the velocity of flow of washing liquid in the circulating pipe and increase rotational speed, thereby according to the velocity of flow of washing liquid in the circulating pipe, the raw materials of different masses in will putting in the case adds into the washing liquid of retrieving, and then can make things convenient for follow-up circulation use.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a cross-sectional view of a tower of the present invention;
FIG. 4 is a partial cross-sectional view of a diffusion structure of the present invention;
figure 5 is a cross-sectional view of a screening structure according to the present invention;
FIG. 6 is an enlarged view of the structure of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view of a delivery structure of the present invention;
FIG. 8 is a perspective view of a divider plate according to the present invention;
FIG. 9 is a partial cross-sectional view of a perturbation of the present invention;
FIG. 10 is a side cross-sectional view of a shield tube according to the present invention.
In the figure: 1. a tower box; 2. a first delivery pipe; 3. a second delivery pipe; 4. a first discharge pipe; 5. a second discharge pipe; 6. a circulation pipe; 7. a throwing structure; 8. screening the structure; 9. a perturbation structure; 10. a drive structure; 11. a diffusion structure; 12. an extraction structure; 121. a first fixing frame; 122. driving a fan; 101. a drive motor; 102. a first connecting gear; 103. a protective tube; 104. a synchronous belt; 111. a box body; 112. a first connecting groove; 113. a second communicating groove; 114. a first filter screen; 81. a base frame; 82. a second filter screen; 83. an elastic member; 84. a rotating plate; 85. an extrusion; 841. a first thread block; 811. a second thread block; 812. locking the bolt; 71. a throwing box; 72. a discharge chute; 73. rotating the disc; 74. a trough; 75. a partition plate; 751. a plate body; 752. a communication port; 753. marking a line; 91. a second fixing frame; 92. a connecting shaft; 93. a blade; 94. and a second connecting gear.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2-10, the present invention is a zinc smelting tail gas purifying and recycling device, which includes a tower box 1, a first delivery pipe 2 and a second delivery pipe 3 are fixedly connected to the side surface of the tower box 1 from bottom to top in sequence, the first delivery pipe 2 and the second delivery pipe 3 are respectively used for delivering tail gas and cleaning solution, the upper end and the lower end of the tower box 1 are respectively and fixedly connected with a first discharge pipe 4 and a second discharge pipe 5 which are respectively used for discharging purified tail gas and discharging elemental zinc and used cleaning solution, a disturbance structure 9 is installed inside the tower box 1 between the first delivery pipe 2 and the second delivery pipe 3, a driving structure 10 for driving the disturbance structure 9 is installed on one side of the tower box 1, a diffusion structure 11 communicated with the second delivery pipe 3 is installed inside the tower box 1, and an extraction structure 12 is installed inside the tower box 1 near the upper side of the diffusion structure 11, for recovering the off-gas inside the tower box 1, thereby increasing the flow velocity of the off-gas;
the second discharge pipe 5 is internally provided with a screening structure 8 for separating the elemental zinc from the waste gas, one side of the second discharge pipe 5 is fixedly connected with a circulating pipe 6 for discharging the used washing liquid, and the upper surface of the circulating pipe 6 is provided with a feeding structure 7 for supplementing the raw materials consumed by the washing liquid.
Referring to fig. 4, the diffusion structure 11 includes a box body 111 connected to an inner wall of the tower box 1, a washing liquid tank connected to the second duct 3 is disposed inside the box body 111, a plurality of first communicating grooves 112 communicated with the washing liquid tank are disposed on a lower surface of the box body 111, a plurality of second communicating grooves 113 distributed on one side of the first communicating grooves 112 are disposed inside the box body 111, two ends of the second communicating grooves 113 are communicated with two sides of the box body 111, so that the waste gas can pass through the second communicating grooves, a first filter screen 114 is fixedly connected to a lower surface of the box body 111, and the first filter screen 114 covers the outside of all the first communicating grooves 112, so that the washing liquid can be dispersed when the washing liquid passes through the first filter screen 114.
Referring to fig. 5-6, the screening structure 8 includes a base frame 81 fixedly connected to the inner wall of the second discharge pipe 5, one end of the base frame 81 extends to the outside of the second discharge pipe 5, and an opening is formed at the end of the base frame 81 located at the outside of the second discharge pipe 5, and a second screen 82 extending to the inside of the opening is slidably connected to the inside of the base frame 81 for separating the simple zinc from the exhaust gas when the exhaust gas passes through the opening.
A rotating plate 84 is hinged to one side of the opening of the base frame 81 through a hinge, a pressing piece 85 is adhered to one side of the rotating plate 84 facing the second filter screen 82, and an elastic piece 83 is installed at one end of the inside of the base frame 81 far away from the rotating plate 84 and used for fixing the second filter screen 82 between the pressing piece 85 and the elastic piece 83.
The elastic member 83 includes a plurality of spring members fixedly connected with the base frame 81, and the spring members are fixedly connected with a connecting plate towards one end of the second filter screen 82 for improving the contact quality with the second filter screen 82.
At least one set of first thread blocks 841 is fixedly connected to the bottom end of the rotating plate 84, second thread blocks 811 with the number identical to that of the first thread blocks 841 are fixedly connected to the lower side of the base frame 81 on the rotating plate 84, and locking bolts 812 are screwed between the second thread blocks 811 and the first thread blocks 841.
Referring to fig. 7-8, the feeding structure 7 includes a feeding box 71 fixedly connected to the circulating pipe 6, a storage tank is disposed inside the feeding box 71, a discharging tank 72 is disposed inside the feeding box 71 and close to the storage tank, a circular rotating disc 73 is rotatably connected to the inside of the feeding box 71 and close to the discharging tank 72, the top end of the discharging tank 72 is communicated with the storage tank, the bottom end of the discharging tank 72 is attached to the outer side of the surface of the rotating disc 73, a discharging port is disposed at the bottom of the discharging tank 72, the width of the discharging port is smaller than the width of the rotating disc 73, a plurality of equidistantly distributed troughs 74 are disposed on the side surface of the rotating disc 73, and when the troughs 74 rotate right above, the troughs 74 are communicated with the discharging port at the bottom of the discharging tank 72, so that the raw material of the cleaning liquid inside the storage tank can be conveyed to the troughs 74.
The interior of the throwing box 71 is slidably connected with a partition plate 75 extending into the discharging groove 72 and used for controlling the communication condition of the discharging groove 72, the partition plate 75 comprises a plate body 751 slidably connected with the discharging groove 72, a communication port 752 is formed in the plate body 751, the size of the communication port 752 is smaller than that of the discharging groove 72, two groups of marking lines 753 are carved on one side, close to the communication port 752, of the upper surface of the plate body 751, one end of the plate body 751 extends to the outer side of the throwing box 71, when the marking line 753 close to one end, on the outer side of the plate 751 is adjacent to the throwing box 71, the communication port 752 is communicated with the discharging groove 72, and when the other marking line 753 is adjacent to the throwing box 71, the part, which is not provided with the communication port 752, of the plate body moves into the discharging groove 72, so that the discharging groove 72 is shielded.
Referring to fig. 9-10, the disturbance structure 9 includes a second fixing frame 91 fixedly connected to the inner wall of the tower box 1, a connecting shaft 92 is rotatably connected to the inside of the second fixing frame 91, a plurality of blades 93 are fixedly connected to the outer side of the top end of the connecting shaft 92, the plurality of blades 93 have the same inclination angle and the same inclination direction, and a second connecting gear 94 is fixedly connected to the bottom end of the connecting shaft 92.
The driving structure 10 comprises a driving motor 101 and a protective pipe 103 which are connected with the side surface of the tower box 1, the output end of the driving motor 101 is fixedly connected with a first connecting gear 102, the protective pipe 103 is sleeved at the outer sides of the output end of the driving motor 101 and the bottom end of the connecting shaft 92, a synchronous belt 104 which is sleeved at the outer sides of the second connecting gear 94 and the first connecting gear 102 is arranged inside the protective pipe 103, and the synchronous belt 104 is meshed with the second connecting gear 94 and the first connecting gear 102.
The working principle of the invention is as follows:
the cleaning solution is conveyed into the diffusion structure 11 through the second conveying pipe 3, the cleaning solution is preferably a salt solution with the concentration of 13%, after entering the diffusion structure 11, the cleaning solution firstly enters the cleaning solution tank, and then is scattered through the first filter screen 114 along each first connecting groove 112 and falls into the tower box 1, so that the coverage of the cleaning solution in the tower box 1 can be enlarged;
conveying the waste gas into the tower box 1 through the first conveying pipe 2, starting the driving structure 10 to drive the disturbing structure 9, when starting the driving structure 10, driving the driving motor 101 to drive the first connecting gear 102 to rotate, driving the second connecting gear 94 in the disturbing structure 9 to rotate through the synchronous belt 104 by the first connecting gear 102, thereby driving the connecting shaft 92 and each blade 93 to rotate, when the waste gas passes through the blade 93, the blade 93 rotates to disturb the waste gas, thereby increasing the area of the waste gas after passing, and when the waste gas passes through the protective pipe 103 of the driving structure 10, under the action of the middle protruding part of the lower surface of the protective pipe 103, shunting is performed along the bevel edge of the lower side of the protective pipe 103, thereby avoiding causing obstruction to the flow of the waste gas, then the waste gas floats upwards to contact with the cleaning solution, after the waste gas reacts with the cleaning solution, the zinc is separated from the waste gas, and the elemental zinc falls onto the second filter screen 82 in the screening structure 8, the residual waste gas is discharged out of the tower box 1 along a first discharge pipe 4;
during the process of upward flow of the exhaust gas, the driving fan 122 in the extraction structure 12 is started to blow the exhaust gas upward, so as to increase the flow speed of the exhaust gas;
cleaning solution is recovered along the circulating pipe 6 after passing through the screening structure 8, meanwhile, the communication port 752 of the plate body 751 is pushed to be communicated with the discharge chute 72 in the feeding box 71, and the communication state of the communication port 752 and the discharge chute 72 can be conveniently recognized by a user through two groups of marking lines 753 on the surface of the plate body 751;
when the elemental zinc is recovered from the screening structure 8, the locking bolt 812 is rotated along the second screw block 811 until the top end of the locking bolt 812 is separated from the first screw block 841, and then the rotating plate 84 is unfolded upward, the second screen 82 is drawn out along the base frame 81, and the elemental zinc is screened from the upper side of the second screen 82.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a zinc smelting tail gas purification recycle device, includes tower case (1), supreme fixedly connected with first conveyer pipe (2) and second conveyer pipe (3) in proper order are followed to the side of tower case (1), and the upper and lower both ends of tower case (1) are fixedly connected with first emission pipe (4) and second delivery pipe (5) respectively, its characterized in that, tower case (1) inside is located installs disturbance structure (9) between first conveyer pipe (2) and second conveyer pipe (3), and one side of tower case (1) installs drive structure (10) of drive disturbance structure (9), tower case (1) internally mounted has diffusion structure (11) with second conveyer pipe (3) intercommunication, and the upside that tower case (1) inside is close to diffusion structure (11) installs extraction structure (12), the internally mounted of second delivery pipe (5) has screening structure (8), and one side of the second discharge pipe (5) is fixedly connected with a circulating pipe (6), and the upper surface of the circulating pipe (6) is provided with a throwing structure (7).
2. The zinc smelting tail gas purification and recovery device according to claim 1, wherein the extraction structure (12) comprises a first fixing frame (121) fixedly connected with the inner wall of the tower box (1), and at least one group of driving fans (122) is installed inside the first fixing frame (121).
3. The zinc smelting tail gas purifying and recycling device according to claim 1, characterized in that the diffusion structure (11) comprises a box body (111) connected with the inner wall of the tower box (1), a washing liquid tank connected with the second conveying pipe (3) is arranged inside the box body (111), a plurality of first communicating grooves (112) communicated with the washing liquid tank are arranged on the lower surface of the box body (111), a plurality of second communicating grooves (113) distributed on one side of the first communicating grooves (112) and penetrating through the washing liquid tank are arranged inside the box body (111), two ends of the second communicating grooves (113) are communicated with two sides of the box body (111), and a first filter screen (114) covered outside the first communicating grooves (112) is fixedly connected to the lower surface of the box body (111).
4. The zinc smelting tail gas purification and recovery device according to claim 1, characterized in that the disturbing structure (9) comprises a second fixing frame (91) fixedly connected with the inner wall of the tower box (1), a connecting shaft (92) is rotatably connected inside the second fixing frame (91), a plurality of blades (93) are fixedly connected to the outer side of the top end of the connecting shaft (92), the plurality of blades (93) are all provided with the same inclination angle and have the same inclination direction, and a second connecting gear (94) is fixedly connected to the bottom end of the connecting shaft (92).
5. The zinc smelting tail gas purification and recycling device according to claim 4, characterized in that the driving structure (10) comprises a driving motor (101) and a protective pipe (103) which are connected with the side surface of the tower box (1), the output end of the driving motor (101) is fixedly connected with a first connecting gear (102), the protective pipe (103) is sleeved on the outer sides of the output end of the driving motor (101) and the bottom end of the connecting shaft (92), a synchronous belt (104) sleeved on the outer sides of the second connecting gear (94) and the first connecting gear (102) is arranged inside the protective pipe (103), and the synchronous belt (104) is meshed with the second connecting gear (94) and the first connecting gear (102).
6. The zinc smelting tail gas purifying and recycling device according to claim 1, characterized in that the throwing structure (7) comprises a throwing box (71) fixedly connected with the circulating pipe (6), a storage tank is arranged inside the throwing box (71), a discharge tank (72) is arranged inside the throwing box (71) and close to the lower side of the storage tank, a circular rotating disc (73) is rotatably connected to the lower side of the discharge tank (72) inside the throwing box (71), the top end of the discharge tank (72) is communicated with the storage tank, and the bottom end of the discharge tank (72) is attached to the outer side of the surface of the rotating disc (73).
7. The zinc smelting tail gas purifying and recycling device according to claim 6, characterized in that the bottom of the discharging groove (72) is provided with a discharging port, the width of the discharging port is smaller than the width of the rotating disc (73), and the side surface of the rotating disc (73) is provided with a plurality of material grooves (74) which are distributed at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640726.8A CN114307493A (en) | 2021-12-29 | 2021-12-29 | Zinc smelting tail gas purification and recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116159398A (en) * | 2023-03-01 | 2023-05-26 | 昆明理工大学 | Device and process for recycling low-grade lead-zinc mixed ore pyrometallurgy tail gas |
| CN116850763A (en) * | 2023-08-30 | 2023-10-10 | 济宁市嘉祥生态环境监控中心 | High-efficient thermal power flue gas desulfurization purification treatment device |
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Application publication date: 20220412 |