CN215887097U

CN215887097U - High-mounted automatic mud loading device

Info

Publication number: CN215887097U
Application number: CN202121745450.5U
Authority: CN
Inventors: 惠展; 付光勇; 赵博; 顾景江
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-22
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a high-mounted automatic mud loading device, which comprises a mud box, a spiral transmission mechanism, a multi-stage conveyor belt mechanism and a mud receiver, wherein the mud box, the spiral transmission mechanism and the multi-stage conveyor belt mechanism are sequentially arranged above an air port platform from high to low; wherein, spiral transmission device level is laid in the mud case below, and communicates with the mud case discharge gate, and spiral transmission device's transport export is located the top of multistage conveyor belt mechanism conveying entry, has seted up on the wind gap platform and has fallen the mud mouth, falls the mud mouth and is located and connect the mud ware directly over, and the stemming of conveying on the multistage conveyor belt mechanism falls into through inertia and dead weight and connects the mud ware, packs into the mud gun through multistage screening and separation with the orderly stemming of range promptly. The mud loading device does not need to manually carry stemming in the whole process, the labor intensity of workers is reduced, the sequence of each action in the mud loading device is controlled through the controller, the mud loading amount is counted, and accurate mud loading is guaranteed; in addition, the whole device is arranged on the tuyere platform, so that the arrangement space in front of the furnace is saved.

Description

High-mounted automatic mud loading device

Technical Field

The utility model belongs to the technical field of material conveying equipment for steel smelting, and particularly relates to a high-mounted automatic mud loading device.

Background

The blast furnace cast house is a place for discharging and collecting molten iron and slag which are final products in iron making, and is in a high-temperature dusty operation area with heavy labor. The mud gun is necessary stokehold equipment in the steel smelting industry, and has the function of pumping the stemming in the gun barrel into the taphole at a proper stemming speed so as to quickly block the taphole.

Therefore, the clay gun needs to be filled with the clay before use, and the filling of the clay blocks of the existing clay gun adopts the following two modes: one method is that the stemming is manually carried and put into a mud gun one by one, because the number of times of tapping per day of the modern blast furnace is more, the frequency of loading is increased, a plurality of stemming are loaded at a time, and in addition, the weight of a single case of stemming is about 10kg, the labor of workers is large, and the mud loading efficiency is greatly restricted; secondly, there are few enterprises to adopt the device of automatic stemming of packing, solved the problem that needs the workman to carry to a certain extent, nevertheless have following drawback: firstly, stemming needs to be manufactured into a fixed shape and placed at a fixed position, and then mechanical equipment reciprocates to place the stemming on a conveying device, but stemming is usually purchased outside, and is packaged and transported by woven bags, so that the phenomena of adhesion, caking and the like are easy to occur; secondly, the device for automatically filling the stemming is not beneficial to be installed on the ground due to the limitation of the field space of the cast site.

In view of the above, the inventor of the present invention provides an automatic high-level mud-charging device based on experience and practice of related industries for many years, so as to overcome the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a high-mounted automatic mud loading device, which can separate and screen the adhered bagged stemming in multiple stages through a mud box, a spiral transmission mechanism, a multi-stage conveyor belt mechanism and a mud receiver, can form single-row single-layer bagged stemming and directly convey the bagged stemming into a mud gun, does not need to manually convey the stemming in the whole process, lightens the labor intensity of workers, improves the conveying efficiency, and can realize mechanical automatic mud loading operation while accurately metering the mud loading amount through automatic control of a controller; in addition, the integral structure of the mud loading device is arranged above the blast furnace tuyere platform, the layout is reasonable, and the space in front of the furnace is not occupied.

The purpose of the utility model is solved by the following technical scheme:

a high-mounted automatic mud loading device comprises a mud box, a spiral transmission mechanism, a multi-stage conveyor belt mechanism and a mud receiver, wherein the mud box, the spiral transmission mechanism and the multi-stage conveyor belt mechanism are sequentially arranged above a blast furnace tuyere platform from high to low;

wherein, spiral transmission device level is arranged in the below of mud case, and communicates with mud case bottom discharge gate, spiral transmission device's transport export is located the top of multistage conveyor belt mechanism conveying entry, the mud mouth that falls has been seted up to the transport export one side that is located multistage conveyor belt mechanism on the blast furnace tuyere platform, fall the mud mouth and be located and connect the mud ware directly over, the stemming of conveying on the multistage conveyor belt mechanism falls into through inertia and dead weight and connects the mud ware for realize the dress mud operation to the mud gun.

Furthermore, a rotating shaft is horizontally arranged in the mud box, one end of the rotating shaft is connected with a motor fixedly arranged outside the mud box, a plurality of cams are arranged on the rotating shaft and located in the mud box at equal intervals, and the width of a discharge hole at the bottom of the mud box is slightly larger than that of bagged stemming and is used for primarily screening the stemming.

Further, spiral transmission mechanism includes silo, screw rod, apron and driving motor, the screw rod setting is in the cavity of silo and through driving motor drive screw rod rotatory for carry the stemming that the mud box was tentatively screened, separate and filter again the stemming of caking simultaneously.

Further, multistage conveyer belt mechanism includes main conveyer belt and two branch conveyer belts, two branch conveyer belts set up respectively in the below of the both sides conveying export about the main conveyer belt for realize the dress mud operation to two mud cannons.

Further, the automatic mud loading device further comprises a controller and counters, the counters are two and are respectively arranged at the conveying outlets of the two sub-conveying belts and used for respectively counting the number of mud guns in the mud gun mud cylinders, the controller is respectively connected with the two counters, the motor on the mud box, the driving motor in the spiral transmission mechanism and the motors in the multi-stage conveying belt mechanisms and used for automatically controlling the action sequence of each component in the mud loading device and counting the mud loading amount.

Furthermore, the mud receiver is formed by connecting an inner conical surface and an outer conical surface and a plurality of disc springs arranged between the two conical surfaces, and is used for reducing the impact force of the stemming on the mud receiver and the mud gun.

Furthermore, a plurality of supporting upright posts are uniformly fixed on the outer side of the mud box;

the mud box is characterized in that a plurality of connecting lugs are welded on the outer wall of the mud box, a connecting portion is fixed to the top end of the supporting upright, and the connecting lugs of the mud box are fixedly connected with the connecting portion of the supporting upright through bolt assemblies.

Further, a discharge hole in the bottom of the mud box is connected with the spiral transmission mechanism through a flange.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model relates to a high-mounted automatic mud loading device which mainly comprises a mud box, a spiral transmission mechanism, a multi-stage conveyor belt mechanism and a mud receiver arranged right above a mud loading port of a mud gun, wherein the spiral transmission mechanism is arranged on the mud box; wherein, a plurality of cam structures driven by a motor are arranged in the mud box, the mud box is divided into a plurality of blanking intervals, the box body is of a big-end-up structure, the width of a bottom discharge port is slightly larger than that of the bagged stemming, and the box body is used for forming a single-row structure for the sticky bagged stemming so as to complete the first-stage screening of the stemming, then the primarily screened stemming is conveyed through a spiral conveying mechanism, the spiral conveying mechanism separates the caked stemming while conveying the stemming and carries out the second-stage screening, finally the stemming is conveyed to a main conveying belt of a multi-stage conveying belt mechanism, the main conveying belt conveys the orderly arranged stemming to sub-conveying belts through positive and negative rotation, then the sub-conveying belts are operated according to the requirements of the mud guns (by arranging two sub-conveying belts, one set of devices can be used for two mud guns to load the stemming operation), and finally the stemming falls into a mud receiver through inertia and dead weight, and determining the mud conveying times of the walking trolley according to the effective volume of the mud gun and the number of mud blocks loaded on the mud loading disc, thereby completing accurate mud loading. The stemming does not need to be carried manually in the whole stemming loading operation process, the labor intensity of workers is reduced, and the conveying efficiency is improved through the screw and the conveying belt.

2. The utility model relates to a high-level automatic mud loading device which is provided with two counters and a controller, wherein the two counters are respectively arranged at the conveying outlets of two sub-conveying belts and used for respectively counting the number of stemming respectively loaded into mud gun mud cylinders, the controller is respectively connected with the two counters, a motor on a mud box, a driving motor in a spiral transmission mechanism and each motor in a multi-stage conveying belt mechanism, the conveying speed of each conveying belt in the multi-stage conveying belt mechanism can be respectively controlled through the controller, and the controller is used for automatically controlling the sequence of each action in the mud loading device and counting the mud loading amount, so that the mechanized automatic mud loading operation is realized.

3. According to the high-mounted automatic mud loading device, the mud box, the spiral transmission mechanism and the multi-stage conveyor belt mechanism are respectively fixed above the blast furnace tuyere platform, so that the arrangement space in front of the furnace is saved.

4. The utility model relates to a high-mounted automatic mud loading device, wherein a mud receiver in the mud loading device is integrally in a conical structure, an elastic buffer structure is arranged in the mud loading device, the downward impact force of stemming is absorbed through the deformation of a spring, the mud receiver is prevented from being damaged, and a mud gun is protected.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the high-level automatic mud loading device of the present invention;

fig. 2 is a top view structural diagram of the high automatic mud loading device of the utility model.

Wherein: 1 is a blast furnace tuyere platform; 2 is a mud box; 3 is a spiral transmission mechanism; 4, a multi-stage conveyor belt mechanism; 5, a clay gun; 6 is a mud receiver; 7 is a controller; 8 is a supporting upright post; 11 is a mud falling port; 41 is a main conveyor belt; the

sub-conveyor belts

42 and 43 are sub-conveyor belts.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the utility model, as detailed in the appended claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.

Referring to fig. 1-2, the utility model discloses a high-mounted automatic mud loading device, which comprises a mud box 2, a spiral transmission mechanism 3, a multi-stage conveyor belt mechanism 4 and a mud receiver 6, wherein the mud box 2, the spiral transmission mechanism 3 and the multi-stage conveyor belt mechanism 4 are sequentially arranged above a blast furnace tuyere platform 1 from high to low, and the mud receiver 6 is positioned below the blast furnace tuyere platform 1 and is arranged right above a mud loading port of a mud gun 5.

Wherein, spiral transmission mechanism 3 level is arranged in the below of mud case 2, and communicate with 2 bottom discharge gates of mud case, the delivery outlet of spiral transmission mechanism 3 is located the top of 4 conveying entries of multistage conveyor belt mechanism, on blast furnace tuyere platform 1, conveying export one side that is located multistage conveyor belt mechanism 4 has seted up mud mouth 11 that falls, the position that mud mouth 11 was seted up that falls is located the entry of mud ware 6, the stemming of transmission falls into mud ware 6 through inertia and dead weight on the multistage conveyor belt mechanism 4, be used for realizing the dress mud operation to mud gun 5.

Specifically, mud box 2 is whole to be big-end-up's little structure, it is preferred, mud box 2 adopts relative both sides steel sheet area inclination, the perpendicular welded structure form of both sides steel sheet in addition, can increase the storage capacity of stemming, and the whereabouts direction and the whereabouts volume of simultaneous control stemming, the inside level of mud box 2 is provided with the axis of rotation, the one end and the fixed motor that sets up outside mud box 2 of axis of rotation connect, in the axis of rotation, be located mud box 2 inside equidistance and install a plurality of cam, it is regional to divide into a plurality of baits with mud box 2 through the cam, and the width of 2 bottom discharge gates of mud box slightly is greater than the width of the mud box in bags, the single-file individual layer that can realize the mud in bags arranges, a preliminary screening is carried out to the stemming.

A plurality of support post 8 are evenly fixed with in the 2 outsides of mud case, be four support post 8 all around if this implementation, the welding has a plurality of engaging lug (prior art, no longer gives unnecessary details) on 2 outer walls of mud case, and the top of support post 8 is fixed with connecting portion (with the engaging lug cooperation), and the engaging lug of mud case 2 passes through bolt assembly fixed connection with the connecting portion of support post 8.

In this embodiment, spiral transmission device 3 includes silo, screw rod, apron and driving motor, and the screw rod setting is rotatory in the cavity of silo and through driving motor drive screw rod, and spiral transmission device 3's feed inlet is provided with the flange, has seted up the flange hole on 2 bottom discharge mouths of assorted mud case with it, and both pass through flange joint for carry the stemming that mud case 2 tentatively screened, separate and filter the stemming of caking once more simultaneously.

As shown in fig. 1 and 2, the multistage conveyor belt mechanism 4 in this embodiment is a gradient two-stage structure, and specifically includes a main conveyor belt 41 and two

sub conveyor belts

42 and 43, the two

sub conveyor belts

42 and 43 are respectively disposed below the conveying outlets on the left and right sides of the main conveyor belt 41, the conveying outlets of the two

sub conveyor belts

42 and 43 are located above the mud receiver 6, and the mud conveyed by the

sub conveyor belts

42 and 43 can directly enter the mud gun 5 through the mud receiver 6, that is, the mud loading operation of two mud guns can be performed by the device of this embodiment. Wherein, main belt and branch conveyer belt constitute by support frame, motor and conveyer belt, and main belt 41 can two positive and negative directions operation, and main belt 41's rate of transfer is different with two

branch conveyer belts

42,43, and main belt 41 and two

branch conveyer belts

42, 43's rate of transfer are all adjustable in addition.

Because the weight of monolithic stemming reaches about 10kg, plus top-down receives acceleration of gravity's effect, can produce bigger impact force, easily pound bad mud ware 6 or even mud big gun 5 of connecing for a long time, to this problem, this embodiment will connect mud ware 6 to set up to the little toper buffer structure of big or small size, and the upper portion opening is greater than the width of monolithic stemming, specifically connect by inside and outside two-layer conical surface and a plurality of dish springs that set up between two-layer conical surface and constitute, when connecing the stemming like this, absorb the downward impact force of stemming through the deformation of dish spring, avoid damaging the mud ware, protect the mud big gun simultaneously.

The mud loading device also comprises a controller 7 and a counter; the two counters are respectively arranged at the conveying outlets of the two

sub-conveying belts

42 and 43 and are used for respectively counting the number of stemming filled into the mud cylinders of the mud cannons 5; the controller 7 is respectively connected with the two counters, the motor on the mud box 2, the driving motor in the spiral transmission mechanism 3 and the motors in the multi-stage conveyor belt mechanisms 4 and is used for automatically controlling the sequence of each action in the mud control device and counting the mud loading amount.

The mud loading device adopts the counter and the three-section conveying structure, avoids the problems that one long conveying structure is adopted to respectively convey two mud loading ports, the requirement on the strength of the conveying structure for long-distance conveying is high, and the other mud can be reversely conveyed after one mud conveying is finished, so that the efficiency is low.

The working principle of the high-mounted automatic mud loading device is as follows:

and after the iron notch is plugged by the mud gun, returning to a standby position, and preparing to re-load new mud gun for the next plugging. At this time, the automatic mud loading device starts to work. The bagged stemming is loaded into the mud box 1, and when the mud box 1 leaks, the bagged stemming can form a single-case structure and is arranged in the spiral transmission mechanism 2 due to the limitation of the shape of the discharge port, so that the first-stage screening of the stemming is completed; the two pieces of stemming with caking are separated through the spiral transmission mechanism 2, and the separated stemming is conveyed to the main conveyor belt 41, in addition, the spiral transmission mechanism 2 and the main conveyor belt 41 adopt different conveying speeds, so that the bagged stemming can keep a proper distance, and the second-stage screening of the stemming is realized; the main conveyor belt 41 conveys bagged stemming which is orderly arranged after screening and separation to the

branch conveyor belts

42 and 43 through positive and negative rotation, the

branch conveyor belts

42 or 43 run according to working requirements, the stemming is conveyed to a mud falling port on the tuyere platform, the stemming falls into the mud receiver 6 right above the mud loading port of the mud gun through inertia and dead weight, the mud conveying times of the walking trolley are determined according to the effective volume of the mud cylinder of the mud gun 5 and the number of mud blocks loaded by the mud loading disc, and therefore accurate mud loading is completed. The counters are arranged at the two ends of the

sub-conveyor belts

42 and 43 and used for counting the number of the bagged stemming in the clay gun mud cylinders, the number of the stemming needing to be loaded in the clay gun mud cylinders is determined according to the volume ratio of the mud cylinders and the volume ratio of one bag of bagged stemming, the controller 5 is used for controlling the action sequence of each part in the automatic stemming loading device and counting the stemming loading amount, and the mechanized automatic stemming loading operation can be realized.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. An overhead automatic mud loading device is characterized by comprising a mud box (2), a spiral transmission mechanism (3), a multi-stage conveyor belt mechanism (4) and a mud receiver (6), wherein the mud box (2), the spiral transmission mechanism (3) and the multi-stage conveyor belt mechanism (4) are sequentially arranged above a blast furnace tuyere platform (1) from high to low, and the mud receiver (6) is positioned below the blast furnace tuyere platform (1) and is arranged right above a mud loading port of a mud gun (5);

wherein, spiral transmission mechanism (3) level is arranged in the below of mud case (2) and is linked together with mud case (2) bottom discharge gate, the delivery outlet of spiral transmission mechanism (3) is located the top of multistage conveyor belt mechanism (4) conveying entry, mud mouth (11) have been seted up to the delivery outlet one side that is located multistage conveyor belt mechanism (4) on blast furnace tuyere platform (1), fall mud mouth (11) and be located and connect mud ware (6) directly over, the stemming of conveying on multistage conveyor belt mechanism (4) falls into through inertia and dead weight and connects mud ware (6) for realize the dress mud operation to mud gun (5).

2. The automatic high-mounted mud loading device according to claim 1, wherein a rotating shaft is horizontally arranged in the mud box (2), one end of the rotating shaft is connected with a motor fixedly arranged outside the mud box (2), a plurality of cams are equidistantly arranged on the rotating shaft and positioned in the mud box (2), and the width of a discharge hole at the bottom of the mud box (2) is slightly larger than that of the bagged stemming for primarily screening the stemming.

3. The automatic high-mounted mud loading device according to claim 2, wherein the screw conveyor (3) comprises a trough, a screw, a cover plate and a driving motor, the screw is arranged in the cavity of the trough and is driven by the driving motor to rotate, and the screw is used for conveying the primarily screened stemming of the mud box (2) and simultaneously separating and re-screening the agglomerated stemming.

4. The automatic mud loading device of claim 3, wherein the multi-stage conveyor belt mechanism (4) comprises a main conveyor belt (41) and two sub conveyor belts (42, 43), and the two sub conveyor belts (42, 43) are respectively arranged below the conveying outlets at the left side and the right side of the main conveyor belt (41) and are used for realizing mud loading operation of two mud guns (5).

5. The automatic high-mounted mud loading device is characterized by further comprising two controllers (7) and counters, wherein the counters are respectively arranged at the conveying outlets of the two sub-conveying belts (42, 43) and used for respectively counting the number of mud guns respectively loaded into mud cylinders of mud guns (5), and the controllers (7) are respectively connected with the two counters, a motor on the mud box (2), a driving motor in the spiral transmission mechanism (3) and motors in the multi-stage conveying belt mechanisms (4) and used for automatically controlling the action sequence of each component in the mud loading device and counting the mud loading amount.

6. The automatic high-mounted mud loading device according to claim 1, wherein the mud receiver (6) is composed of an inner conical surface and an outer conical surface, and a plurality of disc springs arranged between the two conical surfaces, and is used for reducing the impact force of the stemming on the mud receiver (6) and the mud cannon (5).

7. The automatic high-mounted mud loading device according to claim 1, wherein a plurality of supporting columns (8) are uniformly fixed on the outer side of the mud box (2);

the mud box is characterized in that a plurality of connecting lugs are welded on the outer wall of the mud box (2), connecting parts are fixed to the top ends of the supporting columns (8), and the connecting lugs of the mud box (2) are fixedly connected with the connecting parts of the supporting columns (8) through bolt assemblies.

8. The automatic high-mounted mud loading device according to claim 1, wherein the discharge port at the bottom of the mud tank (2) is connected with the screw conveying mechanism (3) through a flange.