CN112403113B

CN112403113B - Sintering flue gas desulfurization dust remover

Info

Publication number: CN112403113B
Application number: CN202011124928.2A
Authority: CN
Inventors: 郑木生; 魏志军
Original assignee: Maanshan Fangzheng Machinery Manufacturing Co ltd
Current assignee: Maanshan Fangzheng Machinery Manufacturing Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2022-02-01
Anticipated expiration: 2040-10-20
Also published as: CN112403113A

Abstract

The invention relates to the technical field of environmental protection equipment, and discloses a sintering flue gas desulfurization dust remover, which comprises a box body, wherein the bottom of one side of the box body is provided with an air inlet, the top of the other side of the box body is provided with an air outlet, the bottom of the box body is provided with an ash cleaning port, the middle part of the box body is provided with two clapboards, a cloth bag is fixedly arranged between the two clapboards, the outer side of the cloth bag is fixedly provided with a metal net, the clapboard positioned at the top is provided with a through hole, the air outlet is movably provided with a cyclone impeller, the top of the ash cleaning port is movably provided with an ash cleaning pipe, the joint of the top of the cloth bag and the clapboards is fixedly provided with an installing head, an ash cleaning rotating shaft is movably sleeved in the installing head, the outer ring at the middle part of the ash cleaning rotating shaft is symmetrically provided with sliding grooves towards two sides in a spacing manner, the ash cleaning head is movably sleeved in the sliding grooves, the air inlet and outlet arrangement and the ash cleaning manner of the cloth bag is changed, so that the working efficiency is effectively improved, the service life of the cloth bag is ensured.

Description

Sintering flue gas desulfurization dust remover

Technical Field

The invention relates to the technical field of environmental protection equipment, in particular to a sintering flue gas desulfurization dust remover.

Background

Often can produce a large amount of sintering flue gases in the aspect of the chemical industry, and still contain a large amount of sulphur elements in this flue gas, consider usually to carry out desulfurization dust removal purification and discharge the atmosphere again for environmental protection, its process utilizes desulphurization unit to carry out the desulfurization to exhaust sintering flue gas earlier, gas after the desulfurization is leading-in removes dust in the dust remover again, then discharge again, current dust remover adopts the belt dust remover more, utilize the sack to realize the filter effect to gas promptly, guarantee that the solid tiny particle in the flue gas can be come down by the sack separation, just need carry out the sack deashing in order to guarantee the effect of filter dust removal when utilizing the sack cleaner for a period of time, however, this kind of sack cleaner still has some problems:

1. when the bag-type dust collector is used, the mode of air inlet and air outlet from the outer side and the inner side of the bag is adopted, so that the bag can be bulged towards the inner side, on one hand, the bag can be contacted too close to cause the air outlet to be influenced, and the filtering and dust removing effect is reduced, on the other hand, the design can cause the top and the bottom of the outer side of the bag to be relatively convex relative to the middle part, so that the air entering from the air inlet at the bottom can be partially blocked by the bottom of the bag when air is fed, and the efficiency of filtering and dust removing is reduced;

2. the dust removal mode of sack cleaner adopts the pulse air current to strike or the mode of vibrations striking carries out the deashing, the mode that adopts the outside to admit air can lead to the sack not reach and just detect out the airflow when needing the deashing and diminish, thereby carry out the deashing, the frequency that has led to the deashing becomes fast, frequent deashing can lead to the life of sack to descend like this, and simultaneously, can cause the sack inflation too big also can influence life utilizing the pulse air current deashing, and the deashing all goes on after the dust removal finishes, it will lead to the sack to be in work under the high-pressure condition always to appear blockking up serious condition in some dust removal units in work like this, the increase loss has reduced the life of sack.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the sintering flue gas desulfurization dust remover which has the advantages of high dust removal efficiency and long service life and solves the problems in the background technology.

The invention provides the following technical scheme: a sintering flue gas desulfurization dust remover comprises a box body, wherein the bottom of one side of the box body is provided with an air inlet, the top of the other side of the box body is provided with an air outlet, the bottom of the box body is provided with an ash cleaning port, the middle part of the box body is provided with two clapboards, a cloth bag is fixedly arranged between the two clapboards, the outer side of the cloth bag is fixedly provided with a metal net, the clapboard positioned at the top is provided with a through hole, the air outlet is movably provided with a cyclone impeller, the top of the ash cleaning port is movably provided with an ash cleaning pipe, the joint of the top of the cloth bag and the clapboards is fixedly provided with an installation head, the inner part of the installation head is movably sleeved with an ash cleaning rotating shaft, the top of the ash cleaning rotating shaft is movably sleeved with a transmission head, a transmission belt is movably sleeved between the top of the cyclone impeller rotating shaft and the transmission head, the outer ring at the middle part of the ash cleaning rotating shaft is symmetrically provided with chutes towards two sides in a spaced manner, the inside activity of spout has cup jointed the deashing head, the interior tip fixedly connected with reset spring of deashing head, spacing chamber has been seted up to the inside of transmission head, deashing pivot top is stretched into spacing intracavity and inside and has been seted up the hydraulic groove, the both sides activity in hydraulic groove has cup jointed the lug, the top fixedly connected with spacing spring in hydraulic groove, the bottom fixedly connected with stopper of spacing spring.

Preferably, a sliding cavity is formed in the position, located on the bottom surface of the mounting head, inside the ash removal rotating shaft, a movable plunger is movably clamped at the top of the sliding cavity, a pressure sensor is fixedly mounted at the bottom of the sliding cavity, a pull-back spring is movably sleeved on the outer ring of the movable plunger, an air groove is formed in the bottom surface of the mounting head, and the inside of the ash removal rotating shaft of the air groove is communicated.

Preferably, two protruding sections are arranged inside the limiting cavity, the inner sides of the protruding blocks are connected in the hydraulic groove through piston sealing sleeves, the thickness of the limiting block and the two protruding blocks is equal to the diameter of an outer ring of the ash removal rotating shaft extending into the limiting cavity, and the top of the movable plunger is sleeved at the bottom of the hydraulic groove.

Preferably, the metal net is in an annular structure protruding outwards, and a conical opening is formed in the position, located at the bottom of the inner side of the cloth bag, of the partition plate.

Preferably, the pressure sensor receives a signal to control the rotation of the ash removal pipe through the control system.

The invention has the following beneficial effects:

1. through setting the sack to the inboard mounting means that the outside department of admitting air was given vent to anger, and be provided with and the metal mesh outside, compare in prior art, utilize this kind of mode of admitting air can guarantee to utilize atmospheric pressure to get up the sack whole all inflation but can not surpass the load within range under the restriction of metal mesh, the scope in the sack outside can not lead to the air current to block up unsmooth greatly, can also guarantee the air current faster in make full use of sack, and also collect the dust of sack to the centre during the deashing, can not cause the dust removal effect that other sacks are influenced to the outdiffusion.

2. Through being provided with the deashing pivot in the sack inside, and the top is connected to cyclone through transmission head and belt, compare in prior art, utilize the inside atmospheric pressure of single sack to change and correspond the bottom to this sack through sensor control deashing pipe, it admits air to cut off, it is ejecting to drive the lug simultaneously under the effect of pullback spring makes the deashing pivot utilize the deashing head to pat the surface of sack along with the transmission head rotates together and carries out the deashing, because the inside atmospheric pressure of box is greater than inside the sack when patting the deashing, the outside inward movement of gaseous meeting reversal through the sack assists the deashing, the efficiency of deashing is improved, the deashing mode of this kind of single sack can be effectual the use of guaranteeing the sack in pressure range, improve sack life, can also reach the work of limit deashing limit dust removal simultaneously, efficiency is improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a longitudinal half-sectional view of a dust removal unit of the present invention;

FIG. 3 is a transverse half-sectional view of the middle of the dust removing unit of the present invention;

FIG. 4 is a top transverse half-sectional view of a dust extraction unit of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 2;

fig. 6 is an enlarged view of fig. 2 at B.

In the figure: 1. a box body; 2. an air inlet; 3. an air outlet; 4. cleaning the ash hole; 5. a partition plate; 6. a metal mesh; 7. a cloth bag; 8. a ash removal rotating shaft; 801. a hydraulic tank; 802. a slide chamber; 803. a chute; 9. a cyclone impeller; 10. a drive head; 1001. a limiting cavity; 11. a drive belt; 12. a dust removal pipe; 13. a mounting head; 1301. an air tank; 14. a bump; 15. a movable plunger; 16. a pressure sensor; 17. a soot cleaning head; 18. a return spring; 19. a limiting spring; 20. a limiting block; 21. the spring is pulled back.

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. 1-6, a sintering flue gas desulfurization dust collector comprises a box body 1, an air inlet 2 is arranged at the bottom of one side of the box body 1, an air outlet 3 is arranged at the top of the other side of the box body 1, an ash cleaning port 4 is arranged at the bottom of the box body 1, two clapboards 5 are arranged in the middle of the box body 1, a cloth bag 7 is fixedly arranged between the two clapboards 5, a metal net 6 is fixedly arranged at the outer side of the cloth bag 7, a through hole is arranged on the clapboard 5 at the top position to ensure that gas filtered and dedusted by the cloth bag 7 can flow out, a cyclone impeller 9 is movably arranged at the air outlet 3 and can be driven to rotate under the flowing of the air flow, so as to provide a power source for an ash cleaning rotating shaft 8, an ash cleaning pipe 12 is movably arranged at the top of the ash cleaning port 4, an installation head 13 is fixedly arranged at the joint of the top of the cloth bag 7 and the clapboards 5, and the ash cleaning rotating shaft 8 is movably sleeved in the installation head 13, the top of the ash cleaning rotating shaft 8 is movably sleeved with a transmission head 10, a transmission belt 11 is movably sleeved between the top of a rotating shaft of the cyclone impeller 9 and the transmission head 10, sliding grooves 803 are symmetrically arranged on the outer ring of the middle part of the ash cleaning rotating shaft 8 in a spaced manner towards two sides, the ash cleaning head 17 is movably sleeved inside the sliding grooves 803, a return spring 18 is fixedly connected to the inner end of the ash cleaning head 17, a limiting cavity 1001 is arranged inside the transmission head 10, the top end of the ash cleaning rotating shaft 8 extends into the limiting cavity 1001 and is internally provided with a hydraulic groove 801, two sides of the hydraulic groove 801 are movably sleeved with convex blocks 14, the top of the hydraulic groove 801 is fixedly connected with a limiting spring 19, the bottom of the limiting spring 19 is fixedly connected with a limiting block 20, a sliding cavity 802 is arranged at the position, which is positioned at the bottom surface of the mounting head 13, the top of the sliding cavity 802 is movably clamped with a movable plunger 15, and a pressure sensor 16 is fixedly installed at the bottom of the sliding cavity 802, the outer ring of the movable plunger 15 is movably sleeved with a pull-back spring 21, the bottom surface of the mounting head 13 is provided with an air groove 1301, and the inside of the ash removal rotating shaft 8 of the air groove 1301 is communicated.

Wherein, the inside of spacing chamber 1001 is provided with two protruding sections, it is spacing to utilize protruding ejecting lug to realize, thereby can drive deashing pivot 8 and rotate together, the inboard of lug 14 is sealed the cup joint in hydraulic groove 801 through the piston, stopper 20 and the thickness of two lugs 14 equals the outer lane diameter that deashing pivot 8 stretched into spacing chamber 1001 end, stopper 20 plays spacing effect to lug 14, guarantee that it can not produce the skew when outwards ejecting and inwards contracting, the bottom position department of hydraulic groove 801 is cup jointed at the top of activity plunger 15, activity plunger 15 is used for ejecting hydraulic oil and realizes ejecting of lug 14.

Wherein, metal mesh 6 is the annular structure of the protruding form in outside, and the bell mouth has been seted up to the position that baffle 5 is located 7 inboard bottoms of sack, and metal mesh 6 plays spacing effect, guarantees the inflation of sack 7 in normal working range, and metal mesh 6's space is big simultaneously and still can not influence the effect of giving vent to anger of sack 7 for a long time, and baffle 5 can realize the inside effect of admitting air of sack 7 at 7 design openings of sack.

Wherein, the rotation of the signal that pressure sensor 16 received can pass through control system control deashing pipe 12, and pressure sensor 16 has replaced pulse detection, realizes carrying out the deashing to single sack 7 through detecting system's change, and the effectual work efficiency that has improved, and deashing pipe 12 can not influence the normal work of other units in box 1 inside.

During working, smoke enters the box body 1 through the air inlet 2, then enters the inner cavity of the cloth bag 7 from the opening of the bottom partition plate 5, the gas filters dust through the cloth bag 7 under the action of air pressure and is discharged from the outer side, then flows to the air outlet 3 to be discharged and collected, and airflow flows at the air outlet 3 to drive the cyclone impeller 9 to rotate and drive the transmission head 10 to rotate through the transmission belt 11;

when the cloth bag 7 is seriously blocked, the air pressure applied to the inside of the cloth bag is increased, the air pressure acts on the movable plunger 15 and pushes the movable plunger 15 towards the bottom until the pressure sensor 16 is triggered, the pressure sensor 16 controls the ash removal pipe 12 to rotate to correspond to the bottom position of the cloth bag 7 through a control system, the movable plunger 15 is pulled upwards and pushes hydraulic oil under the action of the pullback spring 21 when the air pressure in the inner cavity of the cloth bag 7 is lost, so as to eject the projection 14 from the hydraulic groove 801, the projection 14 is restricted by the projection inside the restricting cavity 1001 to rotate along with the transmission head 10, thereby drive whole deashing pivot 8 and rotate, the deashing head 17 outwards throws away and pat the surface of sack 7 under the effect of deashing pivot 8 rotation centrifugal force, cooperates the atmospheric pressure in the sack 7 outside, and the bottom is discharged from deashing pipe 12 and is accomplished the deashing with the dust is whole to collect, and deashing pipe 12 shifts away sack 7 continuation work after accomplishing the deashing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sintering flue gas desulfurization dust remover, includes box (1), and air inlet (2) have been seted up to the bottom of box (1) one side, and gas outlet (3) have been seted up at the top of box (1) opposite side, and deashing mouth (4) have been seted up to the bottom of box (1), and the mid-mounting of box (1) has two baffles (5), and fixed mounting has sack (7), its characterized in that between two baffles (5): the dust removing device is characterized in that a metal net (6) is fixedly installed on the outer side of the cloth bag (7), a through hole is formed in the partition plate (5) located at the top, a cyclone impeller (9) is movably installed at the position of the gas outlet (3), a dust removing pipe (12) is movably installed at the top of the dust removing port (4), an installing head (13) is fixedly installed at the joint of the top of the cloth bag (7) and the partition plate (5), a dust removing rotating shaft (8) is sleeved on the inner portion of the installing head (13), a transmission head (10) is sleeved on the top of the dust removing rotating shaft (8), a transmission belt (11) is movably sleeved between the top of the cyclone impeller (9) and the transmission head (10), sliding grooves (803) are symmetrically formed in the mode that the outer ring in the middle of the dust removing rotating shaft (8) is spaced towards two sides, a dust removing head (17) is sleeved on the inner portion of the sliding grooves (803), and a reset spring (18) is fixedly connected to the inner end portion of the dust removing head (17), the dust cleaning device is characterized in that a limiting cavity (1001) is formed in the transmission head (10), the top end of the dust cleaning rotating shaft (8) extends into the limiting cavity (1001) and is internally provided with a hydraulic groove (801), convex blocks (14) are movably sleeved on two sides of the hydraulic groove (801), a limiting spring (19) is fixedly connected to the top of the hydraulic groove (801), a limiting block (20) is fixedly connected to the bottom of the limiting spring (19), a sliding cavity (802) is formed in the position, located on the bottom surface of the mounting head (13), in the dust cleaning rotating shaft (8), a movable plunger (15) is movably clamped at the top of the sliding cavity (802), a pressure sensor (16) is fixedly mounted at the bottom of the sliding cavity (802), a pull-back spring (21) is movably sleeved on the outer ring of the movable plunger (15), an air groove (1301) is formed in the bottom surface of the mounting head (13), and the air groove (1301) is communicated with the inside of the rotating shaft (8), the inside of spacing chamber (1001) is provided with two protruding sections, the inboard of lug (14) is sealed the cup joint in hydraulic pressure groove (801) through the piston, stopper (20) and the thickness of two lugs (14) are equal to deashing pivot (8) and stretch into the outer lane diameter of spacing chamber (1001) end, the bottom position department in hydraulic pressure groove (801) is cup jointed at the top of activity plunger (15), the rotation of deashing pipe (12) can be passed through control system control to the signal that pressure sensor (16) received.

2. The sintering flue gas desulfurization dust remover according to claim 1, characterized in that: the metal net (6) is of an annular structure protruding outwards, and a conical opening is formed in the position, located at the bottom of the inner side of the cloth bag (7), of the partition plate (5).