CN109179326B - Concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration - Google Patents
Concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration Download PDFInfo
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- CN109179326B CN109179326B CN201811119612.7A CN201811119612A CN109179326B CN 109179326 B CN109179326 B CN 109179326B CN 201811119612 A CN201811119612 A CN 201811119612A CN 109179326 B CN109179326 B CN 109179326B
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
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Abstract
The invention relates to the field of waste acid regeneration recovery devices, in particular to a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, which comprises a roasting furnace, a feeding mechanism, a fixed supporting mechanism, a condensing mechanism, a collecting mechanism, a roasting mechanism, a vibrating mechanism and a driving mechanism, wherein the roasting furnace is arranged on the upper portion of the fixed supporting mechanism; the feeding mechanism for introducing the waste acid liquid into the roasting furnace is connected to the top end of the roasting furnace; the roasting mechanism for roasting the atomized waste acid liquid is arranged at the bottom of the inner cavity of the roasting furnace, and comprises a fixed rod, a fixed seat, an electric heating plate, a dust falling plate and a first spring; the vibrating mechanism is used for vibrating the iron powder particles formed on the surface of the dust falling plate after the waste acid liquid is roasted and evaporated and is arranged in the fixed seat; the driving mechanism for generating compressed air to push the impact block to impact the dust falling plate is arranged in the fixed base. The invention can shake the iron powder formed on the surface of the dust falling plate and collect the iron powder to prevent the pollution to the environment.
Description
Technical Field
The invention relates to the field of waste acid regeneration recovery devices, in particular to a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration.
Background
Modern waste acid recovery equipment is available, and although the equipment of various equipment is used in different modes, the principle is mostly the same. The method utilizes the characteristic that FeCl2 can be hydrolyzed quantitatively at high temperature in an atmosphere with sufficient water vapor and proper amount of oxygen to calcine the pre-concentrated waste hydrochloric acid in a roasting furnace, so that the iron existing in the waste hydrochloric acid in the form of FeCl2 is converted into Fe2O3 and separated.
However, the conventional concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration adopts a spray roasting mode to recover the concentrated hydrochloric acid in the using process, but after roasting, a fine iron powder shell is generated and is discharged into the atmosphere, and pollution is caused. And the traditional roasting mode is not good, and the roasting is not complete enough. In view of this, the present invention provides a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, which has the following characteristics:
(1) according to the concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, a fixed seat is arranged at the center of an inner cavity of a roasting furnace, an electric heating plate is arranged outside the fixed seat, a dust falling plate is in contact and sleeved connection with the outer side wall of the electric heating plate, the dust falling plate and the electric heating plate are both of hemispherical structures, and when an atomization nozzle atomizes and sprays waste acid liquid and the waste acid liquid falls on the dust falling plate, hydrochloric acid steam can be formed through rapid reaction.
(2) According to the concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, the first spring is arranged between the bottom of the dust falling plate and the bottom surface of the fixed seat, the vibration mechanism and the driving mechanism are arranged in the empty groove communicated to the inner side wall of the dust falling plate in the fixed seat, so that the dust falling plate can be controlled to be impacted strongly to generate vibration, and iron powder formed on the dust falling plate falls from a gap between the dust falling plate and the inner side wall of the roasting furnace through vibration and is collected through the collection mechanism.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, wherein a fixed seat is arranged at the center of an inner cavity of a roasting furnace, an electric heating plate is arranged outside the fixed seat, a dust falling plate is sleeved on the outer side wall of the electric heating plate in a contact manner, the dust falling plate and the electric heating plate are both in hemispherical structures, and when an atomization nozzle atomizes and sprays waste acid liquid and the waste acid liquid falls on the dust falling plate, hydrochloric acid steam can be formed through rapid reaction; a first spring is arranged between the bottom of the dust falling plate and the bottom surface of the fixing seat, a vibration mechanism and a driving mechanism are arranged in a hollow groove communicated to the inner side wall of the dust falling plate in the fixing seat, the strong impact on the dust falling plate can be controlled to generate vibration, so that iron powder formed on the dust falling plate falls from a gap between the dust falling plate and the inner side wall of the roasting furnace through vibration, and is collected through a collecting mechanism.
The technical scheme adopted by the invention for solving the technical problems is as follows: a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration comprises a roasting furnace, a feeding mechanism, a fixed supporting mechanism, a condensing mechanism, a collecting mechanism, a roasting mechanism, a vibrating mechanism and a driving mechanism; the feeding mechanism used for introducing the waste acid liquid into the roasting furnace is connected to the top end of the roasting furnace, the feeding mechanism comprises a feeding pipe, an acid liquid pump and an atomizing nozzle, the feeding pipe is connected to the top end of the roasting furnace, the acid liquid pump is arranged on the feeding pipe, and the atomizing nozzle communicated to the feeding pipe is arranged at the top end of an inner cavity of the roasting furnace; the fixed supporting mechanism for fixedly supporting the roasting furnace is connected to the bottom of the roasting furnace; the roasting mechanism for roasting the atomized waste acid liquid is arranged at the bottom of the inner cavity of the roasting furnace, the roasting mechanism comprises a fixed rod, a fixed seat, an electric heating plate, a dust falling plate and a first spring, one end of the fixed rod is connected to the side wall of the bottom of the inner cavity of the roasting furnace, the other end of the fixed rod is fixedly connected to the bottom surface of the fixed seat, the electric heating plate is arranged on the outer side wall of the fixed seat, the dust falling plate is sleeved on the outer side of the electric heating plate in a contact mode, the first spring is fixedly connected between the bottom plate of the dust falling plate and the bottom surface of the fixed seat, and a certain gap is formed between the dust falling plate and the side wall of the inner; the vibrating mechanism is used for vibrating the iron powder particles formed on the surface of the dust falling plate after the waste acid liquid is roasted and evaporated and is arranged in the fixed seat; the driving mechanism for generating compressed air to push the impact block to impact the dust falling plate is arranged in the fixed base; the condensation mechanism for condensing hydrochloric acid steam generated by acid liquor is connected to one side of the roasting tank; the collecting mechanism for collecting dust is arranged at the bottom of the roasting furnace.
Specifically, the fixed supporting mechanism comprises a supporting rod and a fixed disc, one end of the fixed rod is connected to the side wall of the bottom end of the roasting furnace, and the other end of the fixed rod is connected to the fixed disc.
Specifically, the number of the support rods is three, the three fixing rods are arranged between the disc and the roasting furnace in a regular triangle shape, the bottom of the roasting furnace is in a truncated cone shape, and the radius of the fixing disc is larger than that of the roasting furnace.
Specifically, the electric heating plate and the dust falling plate are both of hemispherical structures.
Specifically, the oscillating mechanism comprises a second spring, an impact block, a convex block, a rotary drum, a first motor, a movable block, a push rod, a third spring, a blocking plug and an electromagnetic valve, the impact block is arranged in a hollow groove in the fixed seat and communicated with the inner side wall of the dust falling plate, the second spring fixedly connected to the fixed seat is arranged on two sides of the impact block, the rotary drum is arranged in a channel at one end of the impact block, which is far away from the dust falling plate, the rotary drum is fixedly sleeved on a rotating shaft of the first motor, the convex block is arranged on the outer side wall of the rotary drum, the convex block is in contact connection with the movable block, one side of the movable block, which is far away from the convex block, is connected to the push rod, the third spring fixedly connected between the fixed base and the movable block is sleeved on the push rod, and one end of the push rod, and an air duct is arranged in the fixed base, and the electromagnetic valve is arranged in the air duct.
Specifically, actuating mechanism includes second motor, rotation post, head rod, second connecting rod, third connecting rod and piston, the second motor is located in the fixing base, the rotation post is fixed cup joint in the pivot of second motor, the fixed cup joint of head rod has on the rotation post, the one end of second connecting rod connect perpendicularly in the head rod, the other end of second connecting rod connect perpendicularly in the one end of third connecting rod, the other end of third connecting rod rotates and connects in the piston, piston sliding connection in the sliding chamber in the fixing base.
Specifically, the plugging and starting plug is of a circular truncated cone-shaped structure, the radius of the top end of the plugging and starting plug is equal to that of the through groove where the push rod is located, one end of the vent pipeline is communicated into the sliding groove where the impact block is located, and the other end of the vent pipeline is communicated into the sliding cavity where the piston is located.
Specifically, the condensation mechanism comprises a communicating pipe, a condensation shell, a water inlet pipe, a water outlet pipe and a condensation pipe, one end of the communicating pipe and the bottom surface of the roasting furnace are communicated to the side wall of the roasting furnace at an angle of 45 degrees, the other end of the communicating pipe is communicated to the side wall of the condensation shell, the condensation pipe is arranged at the top end of an inner cavity of the condensation shell, the bottom end of the condensation pipe is connected to the water inlet pipe penetrating out of the condensation shell, and the top end of the condensation pipe is connected to the water outlet pipe penetrating out of the condensation shell.
Specifically, the collecting mechanism comprises a discharging pipe, a collecting bottle, a first buckle, a second buckle, a rotating column and a bolt, the discharging pipe is arranged at the bottom of the roasting furnace, the bottom of the discharging pipe is in contact connection with the collecting bottle, the first buckle and the second buckle are sleeved at the joint of the collecting bottle and the discharging pipe, one end of the first buckle and one end of the second buckle are rotatably connected through the rotating column, and the other end of the first buckle and the other end of the second buckle are fixedly connected through the bolt.
The invention has the beneficial effects that:
(1) according to the concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, a fixed seat is arranged at the center of an inner cavity of a roasting furnace, an electric heating plate is arranged outside the fixed seat, a dust falling plate is in contact and sleeved connection with the outer side wall of the electric heating plate, the dust falling plate and the electric heating plate are both of hemispherical structures, and when an atomization nozzle atomizes and sprays waste acid liquid and the waste acid liquid falls on the dust falling plate, hydrochloric acid steam can be formed through rapid reaction.
(2) According to the concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration, the first spring is arranged between the bottom of the dust falling plate and the bottom surface of the fixed seat, the vibration mechanism and the driving mechanism are arranged in the empty groove communicated to the inner side wall of the dust falling plate in the fixed seat, so that the dust falling plate can be controlled to be impacted strongly to generate vibration, and iron powder formed on the dust falling plate falls from a gap between the dust falling plate and the inner side wall of the roasting furnace through vibration and is collected through the collection mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preheating structure of a concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the roaster and the condenser casing shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
fig. 5 is an enlarged schematic view of the portion C shown in fig. 4.
In the figure: 1 roasting furnace, 2, a feeding mechanism, 21, a feeding pipe, 22, an acid liquid pump, 23, an atomizing nozzle, 3, a fixed supporting mechanism, 31, a supporting rod, 32, a fixed disk, 4, a condensing mechanism, 41, a communicating pipe, 42, a condensing shell, 43, a water inlet pipe, 44, a water outlet pipe, 45, a condensing pipe, 5, a collecting mechanism, 51, a discharging pipe, 52, a collecting bottle, 53, a first buckle, 54, a second buckle, 55, a rotating column, 56, a bolt, 6, a roasting mechanism, 61, a fixed rod, 62, a fixed seat, 62a, a ventilating pipeline, 63, an electric heating plate, 64, a dust falling plate, 65, a first spring, 7, a vibrating mechanism, 71, a second spring, 72, a striking block, 73, a convex block, 74, a rotating cylinder, 75, a first motor, 76, a moving block, 77, a push rod, 78, a third spring, 79, a plug, 79A, an electromagnetic valve, 8 and a driving mechanism, 81. a second motor 82, a rotating column 83, a first connecting rod 84, a second connecting rod 85, a third connecting rod 86 and a piston.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to the present invention includes a roasting furnace 1, a feeding mechanism 2, a fixed supporting mechanism 3, a condensing mechanism 4, a collecting mechanism 5, a roasting mechanism 6, an oscillating mechanism 7, and a driving mechanism 8; the feeding mechanism 2 for introducing waste acid liquid into the roasting furnace 1 is connected to the top end of the roasting furnace 1, the feeding mechanism 2 comprises a feeding pipe 21, an acid liquid pump 22 and an atomizing nozzle 23, the feeding pipe 21 is connected to the top end of the roasting furnace 1, the acid liquid pump 22 is arranged on the feeding pipe 21, and the atomizing nozzle 23 communicated with the feeding pipe 21 is arranged at the top end of the inner cavity of the roasting furnace 1; the fixed supporting mechanism 3 for fixedly supporting the roasting furnace 1 is connected to the bottom of the roasting furnace 1; the roasting mechanism 6 for roasting the atomized waste acid solution is arranged at the bottom of the inner cavity of the roasting furnace 1, the roasting mechanism 6 comprises a fixing rod 61, a fixing seat 62, an electric heating plate 63, a dust falling plate 64 and a first spring 65, one end of the fixing rod 61 is connected to the side wall of the bottom of the inner cavity of the roasting furnace 1, the other end of the fixing rod 61 is fixedly connected to the bottom surface of the fixing seat 62, the electric heating plate 63 is arranged on the outer side wall of the fixing seat 62, the dust falling plate 64 is sleeved on the outer side of the electric heating plate 63 in a contact manner, the first spring 65 is fixedly connected between the bottom plate of the dust falling plate 64 and the bottom surface of the fixing seat 62, and a certain gap is formed between the dust falling plate 64 and the side wall of the inner cavity; the oscillating mechanism 7 is used for oscillating the iron powder particles formed on the surface of the dust falling plate 64 after the waste acid liquid is roasted and evaporated and is arranged in the fixed seat 62; the driving mechanism 8 for generating compressed air to push the impact block 72 to impact the dust falling plate 64 is arranged in the fixed base; the condensation mechanism 4 for condensing hydrochloric acid steam generated by acid liquor is connected to one side of the roasting tank; the collecting mechanism 5 for collecting dust is arranged at the bottom of the roasting furnace 1.
Specifically, the fixed support mechanism 3 includes a support rod 31 and a fixed disk 32, one end of the fixed rod 61 is connected to the side wall of the bottom end of the roasting furnace 1, and the other end of the fixed rod 61 is connected to the fixed disk 32, so as to realize effective fixed support of the roasting furnace 1.
Specifically, three supporting rods 31 are provided, three fixing rods 61 are arranged between the disc and the roasting furnace 1 in a regular triangle shape, the bottom of the roasting furnace 1 is in a truncated cone shape, and the radius of the fixing disc 32 is larger than that of the roasting furnace 1, so that the stability of the fixing support is improved.
Specifically, the electric heating plate 63 and the dust falling plate 64 are both of a hemispherical structure, so that the contact area of the electric heating plate and atomized liquid is increased, and the roasting reaction efficiency and speed are improved.
Specifically, the oscillating mechanism 7 includes a second spring 71, a striking block 72, a convex block 73, a rotating cylinder 74, a first motor 75, a moving block 76, a push rod 77, a third spring 78, a blocking plug 79 and an electromagnetic valve 79A, the striking block 72 is disposed in a hollow groove in the fixed base 62 and communicated with the inner side wall of the dust falling plate 64, the second spring 71 fixedly connected to the fixed base 62 is disposed on both sides of the striking block 72, the rotating cylinder 74 is disposed in a channel of the striking block 72 facing away from the dust falling plate 64, the rotating cylinder 74 is fixedly connected to a rotating shaft of the first motor 75, the convex block 73 is disposed on the outer side wall of the rotating cylinder 74, the convex block 73 is connected to the moving block 76 in a contacting manner, one side of the moving block 76 facing away from the convex block 73 is connected to the push rod 77, the third spring 78 fixedly connected between the fixed base and the moving block 76 is sleeved on the push rod 77, one end of the push rod 77, which is far away from the moving block 76, is connected to the blocking plug 79, an air duct 62a is arranged in the fixed base, and the electromagnetic valve 79A is arranged in the air duct 62a, so that the impact block 72 is effectively utilized to impact the dust falling plate 64, iron powder on the surface of the dust falling plate falls, and the machine body is driven by the driving mechanism 8 when in use.
Specifically, the driving mechanism 8 includes a second motor 81, a rotating column 82, a first connecting rod 83, a second connecting rod 84, a third connecting rod 85 and a piston 86, the second motor 81 is disposed in the fixing base 62, the rotating column 82 is fixedly sleeved on a rotating shaft of the second motor 81, the first connecting rod 83 is fixedly sleeved on the rotating column 82, one end of the second connecting rod 84 is vertically connected to the first connecting rod 83, the other end of the second connecting rod 84 is vertically connected to one end of the third connecting rod 85, the other end of the third connecting rod 85 is rotatably connected to the piston 86, the piston 86 is slidably connected to a sliding cavity in the fixing base 62 and is used in cooperation with the vibrating mechanism, when in use, the second motor 81 is opened, the second driving rotating column 82 is rotated by the second driving, so that the first connecting rod 83 drives the second connecting rod 84 to be transported circularly, thereby causing the third connecting rod 85 to pull the piston 86 to slide within the slide cavity in the fixed seat 62. After the piston 86 in the slide chamber is compressed to the bottom, compressed air is formed. At this time, the first motor 75 is turned on, the first motor 75 is driven to rotate, so that the lug 73 is driven to do multi-circle motion, the moving block 76 is jacked up, the plug 79 is jacked up by the push rod 77, a communication channel of the sliding cavity is opened, compressed air instantly enters a chute where the impact block 72 is located, the impact block 72 is instantly pushed by the compressed air to impact the dust falling plate 64, and meanwhile, the first spring 65 is matched to vibrate the dust falling plate 64, so that iron powder on the dust falling plate 64 falls from a gap between the dust falling plate 64 and the inner side wall of the roasting furnace 1 and is collected by the collecting bottle 52. At this time, when the second motor 81 continues to rotate, the piston 86 sucks back to reset the striking block 72, and at the same time, the projection 73 continues to rotate to reset the stopper 79, so that compressed air can continue to be generated at the next movement of the piston 86.
Specifically, the plugging and starting plug 79 is of a circular truncated cone structure, the radius of the top end of the plugging and starting plug 79 is equal to that of the through groove in which the push rod 77 is located, one end of the vent pipe 62a is communicated to the sliding groove in which the impact block 72 is located, and the other end of the vent pipe 62a is communicated to the sliding cavity in which the piston 86 is located, so that the vent pipe 62a communicated with the sliding cavity in which the piston 86 is located can be opened when the plugging and starting plug 79 is jacked up.
Specifically, the condensing mechanism 4 includes a communicating pipe 41, a condensing shell 42, a water inlet pipe 43, a water outlet pipe 44 and a condensing pipe 45, one end of the communicating pipe 41 and the bottom surface of the roasting furnace 1 are communicated with the side wall of the roasting furnace 1 at an angle of 45 degrees, the other end of the communicating pipe 41 is communicated with the side wall of the condensing shell 42, the condensing pipe 45 is arranged at the top end of the inner cavity of the condensing shell 42, the bottom end of the condensing pipe 45 is connected to the water inlet pipe 43 penetrating out of the condensing shell 42, and the top end of the condensing pipe 45 is connected to the water outlet pipe 44 penetrating out of the condensing shell 42, so that hydrochloric acid vapor is condensed to form hydrochloric acid aqueous solution, and hydrochloric acid is recovered.
Specifically, the collecting mechanism 5 includes a discharging pipe 51, a collecting bottle 52, a first buckle 53, a second buckle 54, a rotating column 82 and a bolt 56, the discharging pipe 51 is arranged at the bottom of the roasting furnace 1, the collecting bottle 52 is connected to the bottom of the discharging pipe 51 in a contact manner, the first buckle 53 and the second buckle 54 are sleeved at the interface between the collecting bottle 52 and the discharging pipe 51, one end of the first buckle 53 and one end of the second buckle 54 are rotatably connected through the rotating column 82, and the other end of the first buckle 53 and the other end of the second buckle 54 are fixedly connected through the bolt 56, so that the collection of the iron powder falling from the dust falling plate 64 is realized.
When in use, the acid liquor pipe is used for absorbing the waste acid liquor, and the waste acid liquor is conveyed into the roasting furnace 1 through the connecting pipe. After atomizing by the atomizer 23 arranged at the top end of the inner cavity of the roaster 1, the atomized hydrochloric acid drops on the dust falling plate 64, the electric heating plate 63 is used for heating the dust falling plate 64, so that the surface of the dust falling plate 64 is at a high temperature, after the atomized waste acid liquid drops, the atomized waste acid liquid can be instantaneously roasted to react to generate iron powder and hydrochloric acid steam, the hydrochloric acid steam enters the condenser pipe 45 of the condenser shell 42 through the communicating pipe 41, the formation of the hydrochloric acid solution after condensation is realized, and the regeneration and recovery of the hydrochloric acid are realized. At the same time, the iron powder remains on the surface of the dust fall plate 64 in the roasting furnace 1. At this time, the second motor 81 is turned on, the second driving rotation column 82 is rotated, and the first connecting rod 83 drives the second connecting rod 84 to circumferentially communicate with the second motor, so that the third connecting rod 85 pulls the piston 86 to slide in the sliding cavity of the fixing base 62. After the piston 86 in the slide chamber is compressed to the bottom, compressed air is formed. At this time, the first motor 75 is turned on, the first motor 75 is driven to rotate, so that the lug 73 is driven to do multi-circle motion, the moving block 76 is jacked up, the plug 79 is jacked up by the push rod 77, a communication channel of the sliding cavity is opened, compressed air instantly enters a chute where the impact block 72 is located, the impact block 72 is instantly pushed by the compressed air to impact the dust falling plate 64, and meanwhile, the first spring 65 is matched to vibrate the dust falling plate 64, so that iron powder on the dust falling plate 64 falls from a gap between the dust falling plate 64 and the inner side wall of the roasting furnace 1 and is collected by the collecting bottle 52. At this time, when the second motor 81 continues to rotate, the piston 86 sucks back to reset the striking block 72, and at the same time, the projection 73 continues to rotate to reset the stopper 79, so that compressed air can continue to be generated at the next movement of the piston 86.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a hydrochloric acid regeneration is with concentrated hydrochloric acid recovery mechanism which characterized in that: comprises a roasting furnace (1), a feeding mechanism (2), a fixed supporting mechanism (3), a condensing mechanism (4), a collecting mechanism (5), a roasting mechanism (6), a vibrating mechanism (7) and a driving mechanism (8); the feeding mechanism (2) used for introducing waste acid liquid into the roasting furnace (1) is connected to the top end of the roasting furnace (1), the feeding mechanism (2) comprises a feeding pipe (21), an acid liquid pump (22) and an atomizing nozzle (23), the feeding pipe (21) is connected to the top end of the roasting furnace (1), the acid liquid pump (22) is arranged on the feeding pipe (21), and the atomizing nozzle (23) communicated to the feeding pipe (21) is arranged at the top end of an inner cavity of the roasting furnace (1); the fixed supporting mechanism (3) for fixedly supporting the roasting furnace (1) is connected to the bottom of the roasting furnace (1); the roasting mechanism (6) for roasting the atomized waste acid liquid is arranged at the bottom of the inner cavity of the roasting furnace (1), the roasting mechanism (6) comprises a fixed rod (61), a fixed seat (62), an electric heating plate (63), a dust falling plate (64) and a first spring (65), one end of the fixing rod (61) is connected with the side wall of the bottom of the inner cavity of the roasting furnace (1), the other end of the fixed rod (61) is fixedly connected to the bottom surface of the fixed seat (62), the outer side wall of the fixed seat (62) is provided with the electric heating plate (63), the outer side of the electric heating plate (63) is in contact sleeve connection with the dust falling plate (64), and the first spring (65) is fixedly connected between the bottom plate of the dust falling plate (64) and the bottom surface of the fixed seat (62), a certain gap is formed between the dust falling plate (64) and the side wall of the inner cavity of the roasting furnace (1); the vibrating mechanism (7) is used for vibrating the iron powder particles formed on the surface of the dust falling plate (64) after the waste acid liquid is roasted and evaporated and is arranged in the fixed seat (62); the driving mechanism (8) for generating compressed air to push the impact block (72) to impact the dust falling plate (64) is arranged in the fixed base; the condensation mechanism (4) for condensing hydrochloric acid steam generated by acid liquor is connected to one side of the roasting tank; the collecting mechanism (5) for collecting dust is arranged at the bottom of the roasting furnace (1);
the electric heating plate (63) and the dust falling plate (64) are both of a hemispherical structure.
2. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 1, characterized in that: the fixed supporting mechanism (3) comprises a supporting rod (31) and a fixed disc (32), one end of the fixed rod (61) is connected to the side wall of the bottom end of the roasting furnace (1), and the other end of the fixed rod (61) is connected to the fixed disc (32).
3. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 2, characterized in that: the three supporting rods (31) are arranged, the three fixing rods (61) are arranged between the disc and the roasting furnace (1) in a regular triangle shape, the bottom of the roasting furnace (1) is in a truncated cone-shaped structure, and the radius of the fixing disc (32) is larger than that of the roasting furnace (1).
4. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 1, characterized in that: the oscillating mechanism (7) comprises a second spring (71), an impact block (72), a convex block (73), a rotary drum (74), a first motor (75), a moving block (76), a push rod (77), a third spring (78), a blocking plug (79) and a solenoid valve (79A), the impact block (72) is arranged in a hollow groove in the fixed seat (62) and communicated with the inner side wall of the dust falling plate (64), the second spring (71) fixedly connected to the fixed seat (62) is arranged on two sides of the impact block (72), the rotary drum (74) is arranged in a channel at one end of the impact block (72) departing from the dust falling plate (64), the rotary drum (74) is fixedly sleeved on a rotating shaft of the first motor (75), the convex block (73) is arranged on the outer side wall of the rotary drum (74), and the convex block (73) is in contact connection with the moving block (76), one side, deviating from the protruding block (73), of the moving block (76) is connected to the push rod (77), the third spring (78) fixedly connected between the fixed base and the moving block (76) is sleeved on the push rod (77), one end, deviating from the moving block (76), of the push rod (77) is connected to the blocking and opening plug (79), a vent pipe (62a) is arranged in the fixed base, and the electromagnetic valve (79A) is arranged in the vent pipe (62 a).
5. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 4, characterized in that: actuating mechanism (8) include second motor (81), rotate post (82), head rod (83), second connecting rod (84), third connecting rod (85) and piston (86), second motor (81) are located in fixing base (62), rotate post (82) fixed cup joint in the pivot of second motor (81), head rod (83) are fixed cup joint on rotating post (82), the one end of second connecting rod (84) connect perpendicularly in head rod (83), the other end of second connecting rod (84) connect perpendicularly in the one end of third connecting rod (85), the other end of third connecting rod (85) rotates and connects in piston (86), piston (86) sliding connection in the sliding chamber in fixing base (62).
6. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 5, characterized in that: the plugging plug (79) is of a circular truncated cone-shaped structure, the radius of the top end of the plugging plug (79) is equal to that of the through groove in which the push rod (77) is located, one end of the vent pipeline (62a) is communicated into the sliding groove in which the impact block (72) is located, and the other end of the vent pipeline (62a) is communicated into the sliding cavity in which the piston (86) is located.
7. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 1, characterized in that: the condensation mechanism (4) comprises a communicating pipe (41), a condensation shell (42), a water inlet pipe (43), a water outlet pipe (44) and a condensation pipe (45), one end of the communicating pipe (41) and the bottom surface of the roasting furnace (1) form an angle of 45 degrees and are communicated to the side wall of the roasting furnace (1), the other end of the communicating pipe (41) is communicated to the side wall of the condensation shell (42), the condensation pipe (45) is arranged at the top end of an inner cavity of the condensation shell (42), the bottom end of the condensation pipe (45) is connected to the water inlet pipe (43) penetrating out of the condensation shell (42), and the top end of the condensation pipe (45) is connected to the water outlet pipe (44) penetrating out of the condensation shell (42).
8. The concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration according to claim 1, characterized in that: the collecting mechanism (5) comprises a discharge pipe (51), a collecting bottle (52), a first buckle (53), a second buckle (54), a rotating column (82) and a bolt (56), the discharge pipe (51) is arranged at the bottom of the roasting furnace (1), the collecting bottle (52) is connected to the bottom of the discharge pipe (51) in a contact mode, the first buckle (53) and the second buckle (54) are sleeved at the interface of the collecting bottle (52) and the discharge pipe (51), one end of the first buckle (53) is rotatably connected with one end of the second buckle (54) through the rotating column (82), and the other end of the first buckle (53) is fixedly connected with the other end of the second buckle (54) through the bolt (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119612.7A CN109179326B (en) | 2018-09-25 | 2018-09-25 | Concentrated hydrochloric acid recovery mechanism for hydrochloric acid regeneration |
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| CN114277378B (en) * | 2021-11-26 | 2024-06-28 | 福建雅鑫电子材料有限公司 | Concentrated hydrochloric acid recovery system for hydrochloric acid regeneration |
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| CN205381955U (en) * | 2016-03-08 | 2016-07-13 | 青岛绿苑环保技术有限公司 | Sour regenerating unit of abraum salt |
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