CN111672860A

CN111672860A - Dust removal device and method suitable for high-temperature heavy metal processing

Info

Publication number: CN111672860A
Application number: CN202010566176.9A
Authority: CN
Inventors: 钟华; 张兵; 梁明
Original assignee: Anhui Tianshun Environmental Protection Equipment Co ltd
Current assignee: Anhui Tianshun Environmental Protection Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-09-18
Anticipated expiration: 2040-06-19
Also published as: CN111672860B

Abstract

The invention discloses a dust removal device and a dust removal method suitable for high-temperature heavy metal processing, which belong to the technical field of heavy metal dust removal and comprise a base, dust exhaust mechanisms arranged on two sides of the base and a moving mechanism arranged on the base; the utility model discloses a dust removal machine, including the ventilation pipe, the ventilation pipe is connected with dust exhaust mechanism, and slide along dust exhaust mechanism, the fixture block at the in-process middle part that the ventilation pipe removed can contact with the pin, in-process that continues to remove slowly promotes the pin rotation, it is rotatory to drive the closing plate, the ventilation pipe is owing to the longer complete rectangular channel that can cover of length, the ventilation pipe is at the in-process of continuous removal, it is sealed to keep the border all the time, and continuous drive closing plate is opened and self is closed, discharge the dust, make and can remove in the course of working, the processing is accomplished and is just in time removed to next process, the time of saving follow-up transport, and let the dust can not reveal, keep the clean in workshop all the time.

Description

Dust removal device and method suitable for high-temperature heavy metal processing

Technical Field

The invention relates to the technical field of heavy metal dust removal, in particular to a dust removal device and method suitable for high-temperature heavy metal processing.

Background

In the process of steel smelting, a lot of fly ash can be generated, such as sintering machine head ash, blast furnace fly ash, blast furnace gas ash, converter fly ash, electric furnace fly ash and the like, and the fly ash contains a large amount of heavy metals, such as zinc, lead and the like.

At present, there are two main methods for treating the dust in iron and steel enterprises, one is used as internal combustion raw material, and the other is directly fed into the production flow of iron and steel. However, under the conventional blast furnace smelting conditions, zinc oxide and lead oxide are easily reduced into zinc and lead, and the brick lining at the furnace throat and the furnace body part is corroded to form a furnace accretion. Meanwhile, zinc and lead steam in the furnace can block the gap between iron ore and coke, thus affecting the air permeability of the blast furnace and being unfavorable for production. The ascending pipe, the descending pipe and the tuyere of the blast furnace can also cause pipeline blockage and upwarp of the tuyere due to the enrichment of zinc and lead. Therefore, how to solve the problem of efficient recycling of the fly ash becomes urgent.

In the prior art, chinese patent document CN103468961A discloses a process for treating zinc-containing and lead-containing dust in a steel plant by using a closed cupola, wherein a closed furnace body is required to create a good reduction environment, zinc vapor obtained by reduction enters a zinc rain condenser from the top of the furnace to obtain crude zinc, zinc-containing sludge and coal gas, and because the dust removal requires a closed environment and no movable equipment is arranged, the whole cupola cannot move during dust removal and cannot be matched with subsequent processing equipment, so that the whole processing efficiency is slow.

Disclosure of Invention

The invention aims to provide a dust removal device and a dust removal method suitable for high-temperature heavy metal processing.

In order to achieve the purpose, the invention provides the following technical scheme: a dust removal device suitable for high-temperature heavy metal processing comprises a base, dust exhaust mechanisms arranged on two sides of the base and a moving mechanism arranged on the base;

the movable mechanism is clamped into the movable processing mechanism, the ventilation pipes connected to two sides of the processing mechanism are connected with the dust exhaust mechanism and slide along the dust exhaust mechanism, and the processing mechanism drives dust to flow into the dust exhaust mechanism under the impact of airflow.

Further, dust exhaust mechanism is including carrying the seat, screw conveying blade and upper cover, carry the seat to fix on two outer walls of base, carry the seat for all around seal and top processing arc groove, screw conveying blade places in the arc inslot and is connected with outside motor, the arc groove of upper cover sealed transport seat, and install the channel sealing mechanism on the upper cover side wall towards processing agency, the upper cover along length direction processing and the communicating bar groove of arc groove, and at the equidistant fixed curb plate of bar inslot, divide into a plurality of the same rectangular channels through the curb plate, process the curb plate on the upper cover lateral wall about the bar groove.

Further, moving mechanism includes slide rail, slider and layer board, and the slider card slides on the slide rail, and the layer board is taken and is put on two slide rails.

Further, processing agency includes shell, telescopic link, processing head and fan, and the shell cover is fixed on the layer board in the outside of telescopic link and both, and the ventilation pipe of intercommunication is connected to the both sides of shell, and the fan is installed at the top of shell, installs the processing head on the telescopic link.

Further, sealing mechanism includes multiunit closing plate, rotation axis, pin and reset spring, and the rotation axis is located the central line of rectangular channel, and in the bottom of rotation axis extended to the spout, the closing plate was fixed on the upper portion of rotation axis, and the pin set up along the global of rotation axis to the cover has the reset spring that both ends are fixed on the rotation axis, and reset spring is under normal condition, and the rectangular channel is sealed to the closing plate.

Furthermore, the upper end and the lower end of the ventilation pipe are connected with clamping blocks clamped into the sliding grooves, a push rod which is horizontal and long in edge is fixed in the middle of each clamping block, the push rod is perpendicular to the stop rod and drives the stop rod to rotate, and the width of the ventilation pipe is the width of the superposition of two or more rectangular grooves.

Furthermore, the front plate and the rear plate of the shell are opened and closed through hydraulic pressure, and the left plate and the right plate of the shell are fixed through bolts and used for heavy metal processing and placing and dust cannot leak in the processing process.

The invention provides another technical scheme, which comprises a dust removal method of a dust removal device suitable for high-temperature heavy metal processing, and the method comprises the following steps:

s1: front and rear plates of the shell are placed above and below the machining head through hydraulic opening heavy metal, the front and rear plates are closed, and the telescopic rod controls the whole body to machine the heavy metal up and down or descend through external plc;

s2: the spiral conveying blades are started, the moving mechanism is started in the machining process to drive the ventilating pipes on the two sides to move, the push rod moves along with the ventilating pipes in the moving process, the stop lever is driven to rotate when the push rod collides with the stop lever, the rotating shaft is synchronously driven to rotate, the sealing plate also rotates, and the ventilating pipes are communicated with the arc groove of the conveying seat;

s3: the air flow generated by the fan drives the dust generated in heavy metal processing to enter the arc groove along the vent pipe, the spiral conveying blade continuously rotates to drive the dust to be discharged, and the dust in the shell is continuously discharged for dust removal;

s4: after the sealing plate is rotated to the vertical position in the moving process of the ventilating pipe, the push rod and the stop lever are separated after the ventilating pipe is rotated continuously, and the return spring rebounds to drive the sealing plate to recover to the initial position to seal the rectangular groove.

Further, in S4, only the covered sealing plate is opened during the movement of the vent pipe, and the remaining part is in a closed state.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a dust removal device and a method suitable for high-temperature heavy metal processing, wherein a front plate and a rear plate of a shell are opened and closed through hydraulic pressure, a left plate and a right plate of the shell are fixed through bolts and used for heavy metal processing and dust cannot leak in the processing process, the front end and the rear end of the shell are controlled to be opened or closed through hydraulic pressure, so that heavy metal is not influenced when being put in, and a closed space is formed after the shell is closed, when a fan works, because only ventilation pipes on two sides are communicated, when a spiral conveying blade rotates, gas in dust exhaust mechanisms on two sides is driven to flow, a communicated air flow channel is formed, dust generated in processing flows into a dust exhaust mechanism along with air flow, a clamping block in the middle part can be contacted with a stop lever in the moving process, the stop lever is slowly pushed to rotate in the moving process, a sealing plate is driven to rotate, and the ventilation pipes can cover a complete rectangular groove due to long length, the ventilation pipe keeps the border sealed throughout at the in-process of continuous removal to continuous drive closing plate is opened and self is closed, discharges the dust, makes and can remove in the course of working, and processing is accomplished and is just in time removed to next process, saves the time of follow-up transport, and lets the dust can not reveal, keeps the clean in workshop throughout.

Drawings

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a perspective view of the dust exhaust mechanism of the present invention;

FIG. 3 is a diagram showing an opened state of a sealing plate of the dust exhaust mechanism according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 5 is a view showing a state in which the push rod and the stopper of the present invention are just in contact with each other;

FIG. 6 is a diagram illustrating a state where a push rod and a stop lever of the present invention are in contact for a certain period of time;

fig. 7 is a view showing a state where the push rod and the stopper of the present invention are just disengaged.

In the figure: 1. a base; 2. a dust exhaust mechanism; 21. a conveying seat; 22. a screw conveying blade; 23. an upper cover; 231. a strip-shaped groove; 2311. a side plate; 3. a moving mechanism; 31. a slide rail; 32. a slider; 33. a support plate; 4. a processing mechanism; 41. a housing; 42. a telescopic rod; 43. a machining head; 44. a fan; 5. a vent pipe; 51. a clamping block; 511. a push rod; 6. a sealing mechanism; 61. a sealing plate; 62. a rotating shaft; 63. a stop lever; 64. a return spring; 7. a chute.

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. 1, a dust removing apparatus suitable for high temperature heavy metal processing includes a base 1, dust discharging mechanisms 2 disposed at two sides of the base 1, and a moving mechanism 3 mounted on the base 1; the moving mechanism 3 is clamped into the moving processing mechanism 4, the moving mechanism 3 comprises slide rails 31, slide blocks 32 and supporting plates 33, the slide blocks 32 are clamped on the slide rails 31 to slide, the supporting plates 33 are arranged on the two slide rails 31 in a lapping mode, the ventilation pipes 5 connected to two sides of the processing mechanism 4 are connected with the dust exhaust mechanism 2 and slide along the dust exhaust mechanism 2, and the processing mechanism 4 drives dust to flow into the dust exhaust mechanism 2 under the impact of airflow; the processing mechanism 4 comprises a shell 41, an expansion link 42, a processing head 43 and a fan 44, the shell 41 is sleeved outside the expansion link 42, the shell 41 and the expansion link are both fixed on a supporting plate 33, the front plate and the rear plate of the shell 41 are opened and closed through hydraulic pressure, the left plate and the right plate of the shell 41 are fixed through bolts, dust is used for heavy metal processing and is prevented from leaking in the processing process, the front end and the rear end of the shell 41 are opened or closed through hydraulic control, heavy metal is prevented from being influenced when being put in, and a closed space is formed after closing, when the fan 44 works, only the ventilation pipes 5 on two sides are communicated, when the spiral conveying blade 22 rotates, the air in the dust exhaust mechanisms 2 on two sides is driven to flow, a communicated air flow channel is formed, dust generated in processing flows into the dust exhaust mechanism 2 along with air flow, the ventilation pipes 5 are connected on two sides of the shell 41, the outer wall of the ventilation pipes 5 is, dust on the sealing plate 61 and the side plate 2311 can be brushed down to avoid being adsorbed when the ventilation pipe 5 moves, the fan 44 is installed at the top of the shell 41, the processing head 43 is installed on the telescopic rod 42, and heavy metal is processed through the processing head 43.

Referring to fig. 2-3, the dust exhaust mechanism 2 includes a conveying base 21, a spiral conveying blade 22 and an upper cover 23, the conveying base 21 is fixed on two outer walls of the base 1, the conveying base 21 is closed at the periphery and has an arc groove formed at the top, the spiral conveying blade 22 is placed in the arc groove and connected with an external motor, the screw conveying blade 22 is driven to rotate by an external motor, the upper cover 23 seals the arc groove of the conveying seat 21, the upper cover 23 seals the conveying seat 21, and a channel sealing mechanism 6 is installed on the side wall of the upper cover 23 facing the processing mechanism 4, a strip-shaped groove 231 communicated with the arc groove is processed along the length direction of the upper cover 23, and fixed side plates 2311 are arranged in the strip-shaped groove 231 at equal intervals, divide into a plurality of the same rectangular channels through curb plate 2311, process spout 7 on the upper cover 23 lateral wall of the upper and lower side of strip-shaped groove 231, spout 7 is located the upper and lower end of strip-shaped groove 231 and also provides the direction for the upper and lower end of ventilation pipe 5 provides spacing the time.

Referring to fig. 4, the sealing mechanism 6 includes a plurality of sealing plates 61, a rotating shaft 62, a blocking rod 63 and a return spring 64, the rotating shaft 62 is located on a center line of the rectangular groove, a bottom end of the rotating shaft 62 extends into the sliding groove 7, the sealing plate 61 is fixed on an upper portion of the rotating shaft 62, the blocking rod 63 is arranged along a circumferential surface of the rotating shaft 62, the return spring 64 with two fixed ends is sleeved on the rotating shaft 62, the return spring 64 is in a normal state, the sealing plate 61 seals the rectangular groove, the sealing plate 61 is in a state of sealing the rectangular groove without external interference through the return spring 64, and the rotating shaft 62 drives the sealing plate 61 to rotate synchronously.

Referring to fig. 5-7, the upper and lower ends of the ventilation tube 5 are connected with the fixture block 51 inserted into the sliding chute 7, the middle of the fixture block 51 is fixed with a push rod 511 that is horizontally long, the push rod 511 is perpendicular to the stop rod 63 and drives the stop rod 63 to rotate, the width of the ventilation tube 5 is the width of the superposition of two or more rectangular grooves, the fixture block 51 in the middle can contact with the stop rod 63 in the moving process of the ventilation tube 5 by adopting the way that the push rod 511 can contact with the stop rod 63, the stop rod 63 is slowly pushed to rotate in the continuous moving process, the sealing plate 61 is driven to rotate, the ventilation tube 5 can cover the complete rectangular groove due to the long length, the ventilation tube 5 keeps edge sealing all the time in the continuous moving process, and drives the sealing plate 61 to open and close to discharge dust, so that the ventilation tube can move in the processing process, and the processing can just move to the next process, the time of follow-up transport is saved to let the dust can not reveal, keep the clean in workshop all the time.

In order to better show the dedusting process of heavy metal processing, the embodiment provides a dedusting method of a dedusting device suitable for high-temperature heavy metal processing, which includes the following steps:

the method comprises the following steps: front and rear plates of the housing 41 are placed above and below the processing head 43 through hydraulic opening heavy metal, the front and rear plates are closed, and the telescopic rod 42 controls the whole body to process the heavy metal up and down or descend through external plc;

step two: the spiral conveying blade 22 is started, the moving mechanism 3 is started in the processing process to drive the ventilating pipes 5 on two sides to move, in the moving process of the ventilating pipes 5, the push rod 511 moves along with the moving and drives the stop lever 63 to rotate when colliding with the stop lever 63, the rotating shaft 62 is synchronously driven to rotate, the sealing plate 61 also rotates, and the ventilating pipes 5 are communicated with the arc groove of the conveying seat 21;

step three: the air flow generated by the fan 44 drives the dust generated during heavy metal processing to enter the arc groove along the vent pipe 5, the spiral conveying blade 22 continuously rotates to drive the dust to be discharged, and the dust in the shell 41 is continuously discharged for dust removal;

step four: after the ventilation pipe 5 rotates the sealing plate 61 to a vertical position in the moving process, only the covered sealing plate 61 is opened in the moving process of the ventilation pipe 5, the rest part is in a closed state, the push rod 511 is separated from the stop lever 63 when the ventilation pipe 5 continues to rotate, and the return spring 64 rebounds to drive the sealing plate 61 to restore to the initial position to seal the rectangular groove.

The front plate and the rear plate of the shell 41 are opened and closed through hydraulic pressure, the left plate and the right plate of the shell 41 are fixed through bolts, dust is placed in heavy metal processing and cannot leak in the processing process, the front end and the rear end of the shell 41 are opened or closed through hydraulic control, heavy metal can not be influenced when being placed, a closed space is formed after the shell is closed, when the fan 44 works, because only the ventilation pipes 5 on two sides are communicated, when the spiral conveying blade 22 rotates, gas in the dust exhaust mechanisms 2 on two sides is driven to flow, a communicated airflow channel is formed, dust generated in processing flows into the dust exhaust mechanisms 2 along with airflow, the fixture block 51 in the middle of the ventilation pipe 5 can be in contact with the stop lever 63 in the moving process, the stop lever 63 is slowly pushed to rotate in the moving process, the sealing plate 61 is driven to rotate, and the ventilation pipe 5 can cover a complete rectangular groove due to long length, the ventilation pipe 5 keeps the border sealed throughout at the in-process of continuous removal to continuous drive closing plate 61 is opened and self is closed, discharges the dust, makes and can remove in the course of working, and processing is accomplished and is just in time removed to next process, saves the time of follow-up transport, and lets the dust can not reveal, keeps the clean in workshop throughout.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A dust removal device suitable for high-temperature heavy metal processing is characterized by comprising a base (1), dust exhaust mechanisms (2) arranged on two sides of the base (1) and a moving mechanism (3) arranged on the base (1);

the movable dust exhaust mechanism is characterized in that the movable mechanism (3) is clamped into the movable processing mechanism (4), the ventilation pipe (5) connected with the two sides of the processing mechanism (4) is connected with the dust exhaust mechanism (2) and slides along the dust exhaust mechanism (2), and the processing mechanism (4) drives dust to flow into the dust exhaust mechanism (2) under the impact of airflow.

2. The dust removing device suitable for high-temperature heavy metal processing according to claim 1, wherein the dust removing mechanism (2) comprises a conveying seat (21), a spiral conveying blade (22) and an upper cover (23), the conveying seat (21) is fixed on two outer walls of the base (1), the conveying seat (21) is closed at the periphery and provided with an arc groove at the top, the spiral conveying blade (22) is placed in the arc groove and connected with an external motor, the upper cover (23) seals the arc groove of the conveying seat (21), a channel sealing mechanism (6) is arranged on the side wall of the upper cover (23) facing the processing mechanism (4), a strip-shaped groove (231) communicated with the arc groove is processed along the length direction of the upper cover (23), and fixed side plates (2311) are arranged in the strip-shaped groove (231) at equal intervals, the side plates (2311) are divided into a plurality of identical rectangular grooves, and sliding grooves (7) are machined in the side walls of the upper cover (23) above and below the strip-shaped groove (231).

3. The dust removal device suitable for high-temperature heavy metal processing as claimed in claim 1, wherein the moving mechanism (3) comprises a sliding rail (31), a sliding block (32) and a supporting plate (33), the sliding block (32) is clamped on the sliding rail (31) to slide, and the supporting plate (33) is arranged on the two sliding rails (31).

4. The dust removal device suitable for high-temperature heavy metal processing as claimed in claim 1, wherein the processing mechanism (4) comprises a housing (41), a telescopic rod (42), a processing head (43) and a fan (44), the housing (41) is sleeved outside the telescopic rod (42) and both the housing and the telescopic rod are fixed on the supporting plate (33), the two sides of the housing (41) are connected with the ventilation pipe (5) which is communicated, the fan (44) is installed at the top of the housing (41), and the processing head (43) is installed on the telescopic rod (42).

5. The dust removing device suitable for high-temperature heavy metal processing as claimed in claim 2, wherein the sealing mechanism (6) comprises a plurality of sets of sealing plates (61), a rotating shaft (62), a stop lever (63) and a return spring (64), the rotating shaft (62) is located on the center line of the rectangular groove, the bottom end of the rotating shaft (62) extends into the sliding groove (7), the sealing plates (61) are fixed on the upper portion of the rotating shaft (62), the stop lever (63) is arranged along the peripheral surface of the rotating shaft (62), the return spring (64) with two fixed ends is sleeved on the rotating shaft (62), and the return spring (64) is in a normal state, and the sealing plates (61) seal the rectangular groove.

6. The dust removing device suitable for high-temperature heavy metal processing as claimed in claim 1, wherein the upper end and the lower end of the ventilation pipe (5) are connected with a clamping block (51) clamped into the sliding groove (7), a push rod (511) which is horizontally long is fixed in the middle of the clamping block (51), the push rod (511) and the stop lever (63) are perpendicular to each other and drive the stop lever (63) to rotate, and the width of the ventilation pipe (5) is the width of the superposition of two or more rectangular grooves.

7. The dust removing apparatus for high temperature heavy metal processing as claimed in claim 4, wherein the front and rear plates of the housing (41) are opened and closed by hydraulic pressure, and the left and right plates of the housing (41) are fixed by bolts for heavy metal processing to be put in and dust is not leaked during the processing.

8. The dust removing method of the dust removing device suitable for high-temperature heavy metal processing according to the claims 1 to 7, characterized by comprising the following steps:

s1: front and rear plates of the shell (41) are placed above and below the machining head (43) through hydraulic opening heavy metal, the front and rear plates are closed, and the telescopic rod (42) controls the whole body to process the heavy metal up and down or descend through external plc;

s2: the spiral conveying blade (22) is started, the moving mechanism (3) is started in the machining process, the ventilating pipes (5) on two sides are driven to move, in the moving process of the ventilating pipes (5), the push rod (511) can move along with the ventilating pipes, the stop rod (63) is driven to rotate when colliding with the stop rod (63), the rotating shaft (62) is synchronously driven to rotate, the sealing plate (61) also rotates, and the ventilating pipes (5) are communicated with the arc groove of the conveying seat (21);

s3: the air flow generated by the working of the fan (44) drives the dust generated during heavy metal processing to enter the arc groove along the ventilation pipe (5), the spiral conveying blade (22) continuously rotates to drive the dust to be discharged, and the dust in the shell (41) is continuously discharged for dust removal;

s4: after the ventilation pipe (5) rotates the sealing plate (61) to a vertical position in the moving process, the push rod (511) and the stop lever (63) are separated when the ventilation pipe continues to rotate, and the return spring (64) rebounds to drive the sealing plate (61) to restore to an initial position to seal the rectangular groove.

9. The dust removing method of the dust removing device for the high-temperature heavy metal processing as claimed in claim 8, wherein only the covered sealing plate (61) is opened during the movement of the ventilating pipe (5) in the S4, and the rest part is in a closed state.