KR100918638B1 - Fixing Lump Shredder of Chemical Storage Hopper - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a fixed mass crushing apparatus for a chemical storage hopper which is capable of pulverizing agglomerated antifoaming agent and supplying it to a waste acid tank.

Therefore, the present invention provides a connection duct installed between the outlet of the hopper bottom in which the antifoam is stored and the inlet of the conveying conveyor for conveying the antifoam, and rotatably installed inside the connection duct, and a plurality of crushing needles protrude from the surface. A pair of crushing rolls and a drive motor installed in the connection duct and connected to one of the crushing rolls to rotate the crushing rolls; A circular bracket having a groove, a circular rubber diaphragm installed in the circular groove inside the circular bracket, a hemispherical shock member fixed to the circular groove formed at the center of the diaphragm to impact the outer wall of the hopper, and fixed to the circular bracket Air cylinder is installed on the mounting bracket extending to the outside of the impact member connected to the rear of the impact member Including by, and provides a fixed lump crushing apparatus of the medicine storage hopper including a left out for dropping the defoamer is attached to the inner walls of the hopper.

Diaphragm, impact member, air cylinder, guide tube, protrusion

Description

Device for crushing mass in hopper

1 is a schematic cross-sectional view showing a chemical storage hopper equipped with a fixed lump crushing device according to the present invention,

Figure 2 is a partial cutaway perspective view of the drug storage hopper according to the present invention,

3 is a perspective view of some components of FIG. 2 according to the present invention;

4 is a cross-sectional view showing a combined state of FIG. 3 according to the present invention;

5 and 6 are perspective views of some components of the present invention.

Explanation of symbols on the main parts of the drawings

10: hopper 11: outlet

20: conveying conveyor 21: entrance

22: outlet 23: transfer pipe

24: Feed screw 30: Round bracket

32: diaphragm 34: impact member

35: mounting bracket 36: air cylinder

38: solenoid valve 40: connection duct

41: crushing roll 42: crushing needle                 

43,54: drive motor 50: bearing block

51: guide tube 52: protrusion

The present invention relates to a storage hopper in which various chemicals in powder form are stored, and more particularly, to prevent the chemicals from adhering to the inner wall of the hopper and to crush the lumps of the lumps so that the lumps of the hoppers can be sent to the required place. Relates to a device.

Generally, various chemicals are used to treat various kinds of chemicals such as wastewater and waste acid used in the production of steel products.

For example, the pickling process is used as a pretreatment for surface treatment, in which an oxide film formed on a metal surface is dissolved and removed with an acid, or an oxidative scale generated on the surface of a hot rolled coil is chemically removed using an acid. It is a process.

Therefore, in the pickling process, toxic pollutants such as hydrochloric acid and sulfuric acid are used and discharged. These waste acids are collected in an intermediate process waste acid tank and sent to an acid recovery treatment facility for reuse, where 18% of regenerated hydrochloric acid is used. Is played.

To this end, an alkaline defoaming agent, which is a neutralizing agent, is introduced into the waste acid tank, and one side of the waste acid tank is connected to a hopper and a connection line in which the defoaming agent is stored, thereby receiving an amount of antifoaming agent.

However, conventionally, there is a problem in that wet moisture generated in a waste acid tank comes up to a hopper in which an antifoam is stored along a connection line, and the antifoam is agglomerated by moisture.

As the antifoam is agglomerated in a lump form, the connection line is blocked in the process of injecting, so that an appropriate amount of the antifoam can not be introduced into the pesan tank, and the neutralization work is delayed or not properly performed.

In addition, as the antifoaming agent agglomerated in the inside of the hopper is fixed to the inner wall of the hopper is reduced the capacity of the hopper can not fully utilize the storage capacity, there is a problem that can not be able to export the antifoaming agent is blocked at the bottom of the hopper.

Accordingly, an object of the present invention is to provide a fixed lump crushing device of a chemical storage hopper which can be fed to a waste acid tank by pulverizing the agglomerated antifoaming agent.

It is another object of the present invention to provide a fixed mass crushing device of a chemical storage hopper which is capable of applying a continuous impact to the inner wall of the hopper to prevent the antifoam from sticking to the inner wall.

The present invention for achieving the above object, the antifoaming agent is installed in the lower portion of the hopper is stored in the crushing unit for crushing the defoamer agglomerate introduced into the conveying conveyor for transporting the antifoaming agent to the waste acid tank, and installed on the outer side of the hopper And a dropping portion for dropping the antifoaming agent attached to the hopper inner wall.                     

In addition, the present invention further includes an induction part installed between the conveying conveyor and the waste acid tank to smoothly guide the antifoam agent conveyed through the conveying conveyer to the waste acid tank.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic cross-sectional view showing a chemical storage hopper equipped with a fixed mass crushing device according to the present invention, Figure 2 is a partially cut perspective view showing a chemical storage hopper according to the present invention.

According to the above drawings, the hopper 10 has a cylindrical shape, the bottom of which is formed with an inclined surface toward the center, and a conveying conveyor 20 for transferring the antifoaming agent between the bottom of the hopper 10 and the waste acid tank 100 is installed. .

And the conveying conveyor 20 is a circular conveying pipe 23 formed at both ends of the inlet 21 and the outlet 22 and the conveying screw 24 installed in the conveying pipe 23 to the conveying pipe 23. Installed and connected to the transfer screw 24 rotation shaft includes a drive motor 25 for rotating the transfer screw 24.

In the present invention, in the antifoam storage hopper having the above-described structure, a crushing unit for crushing the defoamer lumps are dropped between the bottom of the hopper 10 and the inlet 21 of the conveying conveyor 20 falling to the conveying conveyor (20). And, installed on the outer surface of the hopper 10 is provided between the dropping portion for removing the antifoam adhering to the inner wall of the hopper 10 and the outlet 22 and the waste acid tank 100 of the conveying conveyor (20). It comprises an induction part for guiding the antifoaming agent to the waste acid tank (100).

First, as shown in the dropping portion is composed of a plurality of units as shown in Figure 2 is a continuous structure with a predetermined interval on the outer wall of the hopper 10 has a structure to apply a shock to the side wall of the hopper (10).

And the configuration is fixed to the outer wall of the hopper 10 as shown in Figure 3 and 4 and a circular bracket (30) formed with a circular groove 31 in the center, and installed in the circular groove inside the circular bracket (30) Circular rubber diaphragm 32, which is fixed to the circular groove 33 formed in the center of the diaphragm 32 is a hemispherical impact member 34 for impacting the outer wall of the hopper 10, the circular bracket 30 It is fixed to the installation installed on the mounting bracket 35 extending to the outside of the impact member 34 includes an air cylinder 36 connected to the rear of the impact member (34).

Reference numeral 37 is an air pipe for introducing air into each chamber of the air cylinder 36, and 38 is a solenoid valve installed at one side of the air pipe 37 to change the direction of air.

Accordingly, the impact member 34 is repeatedly applied to the outer wall of the hopper 10 by the elastic force of the diaphragm 32 according to the expansion and contraction operation of the air cylinder 36.

1 and 6, the connecting duct 40 and the connecting duct are installed between the outlet 11 of the bottom of the hopper 10 and the inlet 21 of the transfer conveyor 20. 40 is rotatably installed on the inside and a plurality of shredding needles 42 are projected on the surface and coupled to the pair of shredding rolls 41, the coupling duct 40 is connected to one side of the shredding roll 41 And a drive motor 43 for rotating the shredding roll 41.

Therefore, the antifoaming agent in the form of a lump is pulverized by the crushing needle 42 while passing between the pair of crushing rolls 41 rotating in accordance with the operation of the driving motor 43.

Meanwhile, looking at the induction part for smoothly introducing the antifoam agent transported on the conveying conveyor 20 into the waste acid tank 100, as shown in FIG. 5, the outlet 22 of the conveying pipe 23 of the conveying conveyor 20 is shown. ) And an induction pipe 51 which is installed in communication with the transfer pipe 23 and the waste acid tank 100 via a bearing block 50 installed on the upper portion of the waste acid tank 100 and the inner circumferential surface of the induction pipe 51. A spiral protrusion 52 formed to induce a drop of the antifoaming agent, a driven sprocket wheel 53 installed on an outer circumferential surface of the induction pipe 51, a driving motor 54 installed on the waste acid tank 100, and driving The drive sprocket wheel 55 is installed on the rotating shaft of the motor 54, and the chain 56 for connecting the sprocket wheels 53 and 55.

Therefore, the induction pipe 51 is rotated according to the operation of the driving motor 54 so that the antifoam discharged through the outlet 11 is smoothly disposed along the spiral protrusion 52 formed on the inner surface of the induction pipe 51. 100) can be discharged.

Hereinafter will be described the operation of the present invention.

After pickling the strip surface in the annealing acid line, the waste acid is collected into the waste acid tank 100, and the collected waste acid is pumped by a pump and sent to the primary neutralization tank. In this process, a predetermined amount of antifoaming agent is introduced into the waste acid tank 100 in the antifoam storage hopper 10 separately installed to neutralize the waste acid.                     

Looking at the antifoaming process, when the outlet 11 of the bottom of the hopper 10 in which the antifoam is stored is opened, the antifoam is dropped into the connecting duct 40 through the outlet 11 and the conveying conveyor through the connecting duct 40. It flows into the inlet 21 of 20.

At this time, the pair of crushing roll 41 is rotated according to the operation of the drive motor installed in the connecting duct 40, the lumped defoaming agent introduced into the connecting duct 40 rotates as described above. It is pulverized and pulverized by the crushing needle 42 formed on the crushing roll 41 surface while passing through.

Therefore, it is possible to prevent the inlet 21 of the connecting duct 40 or the conveying conveyor 20 by the lump defoaming agent.

The antifoam agent, which is crushed into a powder form by the crushing roll 41 and introduced into the inlet 21 of the conveying conveyor 20, is conveyed by the conveying screw 24 according to the operation of the drive motor 25 installed in the conveying tube 23. By rotating in the pipe 23, the feed screw 24 is moved toward the outlet 22 of the feed pipe 23.

Then, the discharge pipe 23 is discharged through the outlet 22 and flows down the induction pipe 51 installed between the outlet 22 of the transfer pipe 23 and the upper part of the waste acid tank 100 to be introduced into the waste acid tank 100. do.

Here, the induction pipe 51 has a spherical protrusion 52 formed on an inner circumferential surface thereof, and the sprocket wheels 53 and 55 and the chain 56 are operated according to the operation of the driving motor 54 installed on the waste acid tank 100. The antifoam agent discharged to the outlet 22 of the transfer pipe 23 while being rotated in one direction by receiving power through the waste acid tank 100 is ring-shaped along the spiral protrusion 52 of the induction pipe 51. It can fall inductively.

On the other hand, the impact member 34 installed on the outer surface of the storage hopper 10 repeatedly impacts the hopper 10 according to the operation of the timer connected to the controller to drop off the antifoaming agent attached to the inner circumferential surface of the hopper 10. .

That is, when the solenoid valve 38 is switched according to the operation of the timer, air is supplied to each chamber of the air cylinder 36 through the air pipe 37 to expand and operate the air cylinder 36, and thus the air cylinder. The impact member 34 installed on the piston rod of 36 strikes the outer wall of the hopper 10 to apply an impact.

Therefore, the antifoaming agent agglomerates attached to the inner wall of the hopper 10 is pulverized and powdered while falling off.

As described above, according to the fixed lump crushing device of the chemical storage hopper according to the present invention, when the antifoaming agent is introduced into the waste acid tank, the moist moisture generated in the waste acid tank flows into the antifoam storage hopper and pulverizes the antifoaming agent. By pulverizing and transferring to the waste acid tank, it is possible to prevent the clogging of the antifoaming line by the agglomerated antifoaming agent.

As a result, efficient neutralization can be performed to increase the wastewater treatment effect and improve the environment.

In addition, by continuously applying vibration to the antifoam storage hopper to prevent the antifoam is fixed to the inner wall of the storage tank it is possible to take full advantage of the capacity of the hopper.

Claims (2)

It is fixed to the outer wall of the hopper which is fixed to the outer wall of the hopper where the defoaming agent is stored and is fixed to the circular bracket formed in the center of the circular bracket, the circular rubber diaphragm installed in the inner circular groove of the circular bracket, the circular groove formed in the center of the diaphragm to impact the outer wall of the hopper. Hemispherical shock member for applying a, including an air cylinder which is fixed to the circular bracket and installed on the mounting bracket extending to the outside of the impact member connected to the impact member rear, dropping part for removing the antifoam attached to the inner wall of the hopper ; A connecting duct installed between the outlet of the bottom of the hopper and the inlet of the conveying conveyor for conveying the antifoam, a pair of the crushing rolls rotatably installed inside the connecting duct and protruding a plurality of crushing needles from the surface, and Grinding unit for crushing the defoamer mass dropped by the dropping part, including a drive motor installed in the connection duct and connected to one side of the crushing roll to rotate the crushing roll Fixing lump crushing device of the drug storage hopper comprising a. According to claim 1, wherein the transfer pipe outlet of the transfer conveyor and the induction pipe which is installed in communication with the transfer pipe and the waste acid tank via a bearing block respectively installed above the waste acid tank, and formed on the inner circumferential surface of the induction pipe to prevent the fall of the antifoaming agent Including a spiral protrusion for guiding, a driven sprocket wheel installed on the outer circumferential surface of the induction pipe, a drive motor installed on the waste acid tank, a drive sprocket wheel installed on the rotating shaft of the drive motor, a chain connecting the sprocket wheel, Fixing mass crushing device of the chemical storage hopper further comprises the induction unit for smoothly flowing the antifoaming agent into the waste acid tank.

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