CN214455229U - Quantitative blowing and feeding device for solid reducing agent - Google Patents

Abstract

The utility model provides a pair of feeder is spouted to solid reductant ration, including the staving that is used for saving the solid reductant, with the rotary feeder that the discharge gate of staving links to each other, with the PLC controller that the rotary feeder electricity is connected, and with the compressed air generation device of rotary feeder pipe connection. The utility model discloses a feeding device is spouted to solid reductant ration is owing to adopted the rotary feeder to carry out the feed, through the unloading volume of PLC controller control rotary feeder to blow off the solid reductant in the rotary feeder through compressed air generating device, device overall structure is simple, and can realize the comparatively accurate unloading of solid reductant, and is with low costs.

Description

Quantitative blowing and feeding device for solid reducing agent

Technical Field

The utility model relates to the technical field of metallurgy, especially, relate to a solid reducing agent ration jetting feeder.

Background

The blister copper blown by the converter generally contains 98.5 to 99.3 percent of copper, and the balance is all impurities, so the blister copper of the converter needs to be refined by a fire method, part of the impurities are removed, the copper content reaches more than 99 percent, and the blister copper needs to be refined by the fire method again by an anode furnace process. The fire refining of the blister copper is carried out in a rotary anode furnace or a fixed anode furnace, and can be divided into five procedures of feeding, oxidizing, deslagging, reducing and casting, and the device is mainly used for the reducing procedure.

The device for spraying the solid reducing agent at the present stage is mainly solid reducing agent LV spraying system equipment (see patent CN106906370A), when the solid reducing agent LV spraying system equipment is used, the control on the blanking amount of the solid reducing agent is accurate, and the starting, the closing and the control on the blanking amount can be operated at a computer end, but the problems that the whole equipment structure is complex, the requirement on supporting facilities is high, the investment is large, the equipment cannot be moved as required due to fixed installation, the requirement on maintenance skills is high, and the pipeline is easy to damage and block due to more installed pipelines are solved.

Therefore, the prior art is still to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of above-mentioned prior art, the utility model aims at providing a feeding device is spouted to solid reductant ration aims at solving current feeding device is spouted to solid reductant ration structure complicacy, and supporting facility requires high technical problem.

The technical scheme of the utility model as follows:

the quantitative blowing and feeding device for the solid reducing agent comprises a barrel body used for storing the solid reducing agent, a rotary feeder connected with a discharge port of the barrel body, a PLC (programmable logic controller) electrically connected with the rotary feeder, and a compressed air generating device connected with a pipeline of the rotary feeder.

The feeding device for quantitatively blowing the solid reducing agent comprises a rotary feeder, a rotary feeder and a PLC controller, wherein the rotary feeder comprises a shell, an impeller arranged in the shell, an end cover arranged at the top of the shell and a variable frequency motor rotationally connected with the impeller, and the variable frequency motor is electrically connected with the PLC controller.

The feeding device is characterized in that the rotary feeder is connected with a discharge hole of the barrel body through the end cover, and the end cover is provided with an opening for the solid reducing agent to pass through.

The feeding device is characterized in that the impeller is arranged perpendicular to the discharging direction of the barrel body.

The quantitative blowing and feeding device for the solid reducing agent is characterized in that an air inlet is formed in the left side wall of the shell, and the compressed air generating device is connected with the air inlet through a connecting pipeline.

The feeding device is characterized in that the solid reducing agent is quantitatively sprayed and fed, wherein a manual ball valve is arranged on the connecting pipeline.

The feeding device is characterized in that a T-shaped discharge port is connected to the bottom of the shell, the T-shaped discharge port comprises a transverse pipe and a vertical pipe which are perpendicular to each other, and the T-shaped discharge port is connected with the bottom of the shell through one end of the transverse pipe.

The feeding device is characterized in that the other end of the transverse pipe is provided with a movable plug.

The feeding device is characterized in that the feeding device is used for quantitatively blowing the solid reducing agent, wherein the movable plug is in threaded connection with the transverse pipe.

The feeding device is characterized in that a speed reducer is arranged between the variable frequency motor and the impeller.

Has the advantages that: the utility model provides a pair of feeder is spouted to solid reductant ration, including the staving that is used for saving the solid reductant, with the rotary feeder that the discharge gate of staving links to each other, with the PLC controller that the rotary feeder electricity is connected, and with the compressed air generation device of rotary feeder pipe connection. The utility model discloses a feeding device is spouted to solid reductant ration is owing to adopted the rotary feeder to carry out the feed, through the unloading volume of PLC controller control rotary feeder to blow off the solid reductant in the rotary feeder through compressed air generating device, device overall structure is simple, and can realize the comparatively accurate unloading of solid reductant, and is with low costs.

Drawings

Fig. 1 is a schematic structural view of a preferred quantitative blowing and feeding device for solid reducing agent of the present invention;

FIG. 2 is a schematic cross-sectional view of a rotary feeder according to the present invention;

fig. 3 is a schematic view of an end cap structure of a rotary feeder according to the present invention.

Detailed Description

The utility model provides a solid reductant ration jetting feeder, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a pair of feeding device is spouted to solid reductant ration, including the staving 10 (including cylindrical upper half and toper the latter half, the staving is inside to be provided with agitating unit) that is used for saving the solid reductant, with the rotary feeder 20 that the discharge gate of staving 10 links to each other (is used for the ration to carry the solid reductant), with the PLC controller 30 of rotary feeder 20 electricity connection (be used for realizing the ration pay-off through the rotational speed of controlling the rotary feeder), and with the compressed air generating device 40 of rotary feeder 20 pipe connection (be used for generating the compressed air and blow off the ration material from the rotary feeder).

The utility model discloses solid reductant dosing device is when using, according to furnace body reduction operation requirement, can remove equipment to the position of needs at will and use, during reduction operation, requirement according to copper melt body operation, come accurate control rotary feeder inverter motor rotation frequency through the PLC controller, with this control solid reductant unloading volume, need not to control the aperture through original manual butterfly valve, the solid reductant has been reduced, the consumption of compressed air, ensure product quality, the low empty pollution condition of reduction stage environment has been optimized, the potential safety hazard of production is revealed to the solid reductant in having eliminated the equipment use, and convenient operation, control accuracy is higher, the combustion rate of solid reductant has been improved, after using this technical scheme's device, the average unit consumption of reduction operation stage solid reductant has reduced 10%.

Referring to fig. 2, in a specific embodiment, the rotary feeder 20 comprises a housing 50 (with a U-shaped cross section, an open top, and a cavity therein), an impeller 60 (disposed in the cavity of the housing) disposed inside the housing 50, an end cap 70 (for covering the impeller in the housing) mounted on the top of the housing 50, and a variable frequency motor 80 (the impeller and the variable frequency motor are connected by a transmission shaft) rotatably connected to the impeller 60, wherein the variable frequency motor 70 is electrically connected to the PLC controller 30 (the PLC controller controls the variable frequency motor to change the impeller rotation speed).

In a specific embodiment, the rotary feeder 20 is connected to the outlet of the barrel 10 through the end cap 70, and referring to fig. 3, the end cap 70 is provided with an opening 90 for passing the solid reducing agent. Specifically, the impeller includes that impeller shaft and perpendicular impeller shaft set up a plurality of blades, and equidistant setting between a plurality of blades, the open-ended on the end cover set up the position and can make the material fall into between the adjacent blade, and open-ended shape is square, and centrosymmetry is provided with 2.

In a specific embodiment, the impeller 60 is disposed perpendicular to the discharge direction of the tub 10. Therefore, an impeller with an equally-divided blade structure rotates in the shell through the transmission of the variable frequency motor, materials in the barrel body on the upper portion of the end cover fall into gaps among the blades, and the materials can be discharged to the lower portion of the shell along with the rotation of the impeller.

Referring to fig. 2, in a specific embodiment, an air inlet 100 is provided on a left side wall of the housing 50, and referring to fig. 1, the compressed air generating device 40 is connected to the air inlet 100 through a connecting pipe 110. The compressed air generating device can generate compressed air to quickly blow out materials of the impeller blades.

Referring to fig. 1, in one embodiment, a manual ball valve 120 is disposed on the connection pipe 110. The delivery of compressed air into the rotary feeder is controlled by a manual ball valve.

Referring to fig. 1, in a specific embodiment, a T-shaped discharge outlet 130 is connected to the bottom of the housing 50, and the T-shaped discharge outlet 130 includes a horizontal pipe and a vertical pipe perpendicular to each other, and the T-shaped discharge outlet is connected to the bottom of the housing through one end of the vertical pipe.

Referring to FIG. 1, in one embodiment, the other end of the standpipe is provided with a removable plug 130. The movable plugs are common plugs, solid reducing agent particles are sprayed out from the side edges of the T-shaped discharge hole, friction force can be reduced in the spraying process of the solid reducing agent particles through the movable plugs, then the solid reducing agent particles are discharged into the furnace body to be combusted, the pipeline damage caused by the friction of the solid reducing agent particles is prevented, the operation rate of equipment is improved, and potential safety hazards are eliminated.

In one embodiment, the movable plug 140 is threadably coupled to the standpipe. The movable plug is a vulnerable part, and the threaded connection facilitates the disassembly, assembly and replacement of the movable plug.

Referring to fig. 2, in a specific embodiment, a speed reducer 150 is disposed between the inverter motor 70 and the impeller 60. The speed reducer is arranged, so that the control on the rotating speed of the impeller can be facilitated, and the quantitative precision of the rotary feeder is improved.

Referring to fig. 1, in a specific embodiment, the top of the tub includes a sealing device including a lever-and-pull and chain arrangement for control. The top cover of the barrel body is opened through the lever and pull rod and the chain device, so that the operation of workers is facilitated, the device can be independently disassembled and assembled, and the solid reducing agent is greatly convenient to be filled into the barrel body.

To sum up, the utility model provides a pair of solid reductant ration jetting feeder, including the staving that is used for saving the solid reductant, with the rotary feeder that the discharge gate of staving links to each other, with the PLC controller that the rotary feeder electricity is connected, and with the compressed air generation device of rotary feeder pipe connection. The utility model discloses a feeding device is spouted to solid reductant ration is owing to adopted the rotary feeder to carry out the feed, through the unloading volume of PLC controller control rotary feeder to blow off the solid reductant in the rotary feeder through compressed air generating device, device overall structure is simple, and can realize the comparatively accurate unloading of solid reductant, and is with low costs.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (7)

1. The quantitative blowing and feeding device for the solid reducing agent is characterized by comprising a barrel body for storing the solid reducing agent, a rotary feeder connected with a discharge port of the barrel body, a PLC (programmable logic controller) electrically connected with the rotary feeder, and a compressed air generating device connected with a pipeline of the rotary feeder; the rotary feeder comprises a shell, an impeller arranged inside the shell, an end cover arranged at the top of the shell, and a variable frequency motor connected with the impeller in a rotating mode, wherein the variable frequency motor is electrically connected with a PLC (programmable logic controller), the bottom of the shell is connected with a T-shaped discharge hole, the T-shaped discharge hole comprises a transverse pipe and a vertical pipe which are perpendicular to each other, the T-shaped discharge hole is connected with the bottom of the shell through one end of the transverse pipe, and a movable plug is arranged at the other end of the transverse pipe.

2. The dosing and feeding device for the solid reducing agent as claimed in claim 1, wherein the rotary feeder is connected to the outlet of the barrel through an end cap, and the end cap is provided with an opening for the solid reducing agent to pass through.

3. The dosing and feeding device for the solid reducing agent according to claim 1 or 2, wherein the impeller is arranged perpendicular to the discharging direction of the barrel body.

4. The device as claimed in claim 3, wherein an air inlet is provided on the left side wall of the housing, and the compressed air generating device is connected to the air inlet via a connecting pipe.

5. The dosing and feeding device for the solid reducing agent as claimed in claim 4, wherein a manual ball valve is arranged on the connecting pipe.

6. The dosing blowing feeding device for the solid reducing agent as claimed in claim 1, characterized in that the movable plug is in threaded connection with the transverse tube.

7. The quantitative blowing and feeding device for the solid reducing agent as claimed in claim 1, wherein a speed reducer is arranged between the variable frequency motor and the impeller.

Images