Interlocking alarm dredging device of feeder

Abstract

The utility model discloses a feeder interlocking alarm blockage dredging device which comprises a feeder, the feeder is a conical hopper, a feeding port is arranged at the bottom of the feeder, a plurality of air vents are annularly arranged on the outer side of the bottom end of the feeder, a plurality of blockage dredging air cannons are connected outside the plurality of air vents, and the blockage dredging air cannons are communicated with the feeding port. The feeding hole is connected with a flow monitoring meter; the utility model relates to the technical field of iron-making feeders, in particular to an interlocking alarm dredging device for feeders, which is characterized in that an audible and visual alarm is mounted in a master control room, the lowest flow of a constant feeder is set as long as materials of the constant feeder are less than the lowest set parameter, automatic audible and visual alarm is realized, and a post is reminded to timely discover the change of each parameter of a system; meanwhile, linkage is added to the raw coal bunker gas gun and the auxiliary unblocking structure, after alarming, the gas gun automatically works from bottom to top, the auxiliary unblocking structure is started to work when the unblocking effect of the gas gun is poor, and safety and production shutdown accidents caused by the fact that workers cannot find the unblocking effect in time are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ironmaking feeder technology field, concretely is a feeder interlock alarm unblocking device. BACKGROUND

[0002] When the current blast furnace coal injection pulverizing system is normally operated, the belt scale sets the coal injection amount according to the production demand, because the coal variety changes frequently at present, and the coal quality is different, which leads to the serious adhesion of raw coal bin material, the frequent material blocking in the normal production process, and the material blocking period is difficult to grasp, usually all rely on the staff to closely monitor various parameters, thereby preventing accidents, there are too many unstable factors under this condition, and the requirement to the post is very strict, the accident probability linearly rises, in order to eliminate this hidden danger and reduce the accident probability, the coal injection quantitative feeder material blocking alarm and air cannon automatic work are interlocked, which can greatly reduce the occurrence of such accidents, in view of this, in-depth research is conducted for the above problems, and the case is generated. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a feeder interlock alarm unblocking device, which solves the problems of the prior art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a feeder interlock alarm unblocking device, including feeder, the feeder is a conical hopper, the bottom of the feeder is provided with a feeding port, the bottom outside of the feeder is provided with a plurality of air vents, a plurality of air vents are connected with a plurality of unblocking air cannons outside, the feeding port is connected with a flow monitoring meter;

[0005] The flow monitoring meter is connected with the feeding port through the connecting pipeline, the flow monitoring meter is connected with the main control, and the sound and light alarm is arranged on one side of the main control.

[0006] A plurality of electromagnetic control valves are arranged on a plurality of unblocking air cannons, and a plurality of electromagnetic control valves are connected with the main control.

[0007] An auxiliary unblocking structure is arranged on one side of the feeder.

[0008] The auxiliary unblocking structure includes an unblocking rack, a shock hammer is assembled on the unblocking rack, an electromagnetic control assembly is arranged on one side of the shock hammer, and the electromagnetic control assembly controls the horizontal impact of the shock hammer on the outer wall of the feeder.

[0009] Preferably, a plurality of air vents are a plurality of cylindrical pipe fittings connected with the feeding port, and a plurality of air vents are arranged horizontally and staggered on the bottom of the feeder.

[0010] Preferably, the outside of the feeder is externally provided with a plurality of fixed frames for fixing a plurality of air cannons for clearing blockage, and the barrels of the plurality of air cannons for clearing blockage are connected with the plurality of air vents through a plurality of flanges.

[0011] Preferably, the electromagnetic control assembly comprises a control sleeve arranged on the blockage clearing frame, a telescopic piston arranged in the control sleeve, a back-pushing magnetic block arranged on the telescopic piston, an electromagnet arranged at the end of the control sleeve corresponding to the back-pushing magnetic block, a pair of back-pushing springs arranged on the two sides of the telescopic piston, and a butt joint rod extended from the telescopic piston and connected with the oscillating hammer.

[0012] Preferably, the oscillating hammer is an arc-lacking annular plate with a side wall slope matched with the taper of the outer wall of the feeder.

[0013] Preferably, the flow monitoring meter is an integrated two-wire online measurement sensor of electrostatic measurement.

[0014] Beneficial effects

[0015] The utility model provides a feeder interlocking alarm dredging device. Have the following beneficial effects: this feeder interlocking alarm dredging device, install audible -visual annunciator in main control room, set the minimum flow of quantitative feeder, only the material of quantitative feeder is less than the minimum set parameter, automatic audible -visual annunciator, remind post and find system each parameter change in time, simultaneously, the air cannon of raw coal bin and the auxiliary dredging structure increase interlock, after the alarm of quantitative feeder material less than the minimum set parameter alarm, the air cannon works automatically from down to up, the auxiliary dredging structure works when the dredging effect of air cannon is not good, avoid the safety and production shutdown accident caused by the worker not in time. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is first three-dimensional structure schematic diagram of the utility model discloses a feeder interlocking alarm dredging device.

[0017] Fig. 2 It is second three-dimensional structure schematic diagram of the utility model discloses a feeder interlocking alarm dredging device.

[0018] Fig. 3 It is partial three-dimensional structure schematic diagram of the utility model discloses a feeder interlocking alarm dredging device.

[0019] In the drawing: 1, feeder; 2, feeding port; 3, air vent; 4, air cannon for clearing blockage; 5, flow monitoring meter; 6, connecting pipeline; 7, auxiliary dredging structure; 8, fixed frame; 71, blockage clearing frame; 72, oscillating hammer; 73, electromagnetic control assembly; 731, control sleeve; 732, telescopic piston; 733, back-pushing magnetic block; 734, electromagnet; 735, butt joint rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of implementation scheme: in modern blast furnace ironmaking process, coal powder feeder 1 normal production process material is frequent, and material period is difficult to grasp, usually all rely on staff strict monitoring each parameter, to prevent accident, in this case too many unstable factors, and the requirement to post is very strict, accident probability linearly rises.

[0022] According to the drawings attached in the specification Figs. 1-3 It is known that, for the above problems, the application discloses a kind of feeding machine 1 interlocking alarm dredging device, including feeder 1, feeder 1 is coal powder feeder 1, the shape of feeder 1 is conical hopper, the bottom of feeder 1 is provided with feeding port 2, by controlling the switch of feeding port 2 to realize the coal powder is given out, the outer side of the bottom end of feeder 1 is equipped with several air vents 3, several air vents 3 are connected with several air cannon 4 for dredging, several air vents 3 are connected with the inner cavity of feeder 1, and then several air vents 3 are connected with several air cannon 4 for dredging, flow monitoring meter 5 is connected on feeding port 2, for detecting the discharging flow of feeder 1;

[0023] According to the drawings attached in the specification Figs. 1-3 It is known that, the above flow monitoring meter 5 is connected on feeding port 2 through connecting pipeline 6, flow monitoring meter 5 is connected with factory main control, flow monitoring meter 5 is the integration of static measurement two-wire online measurement sensor, the detection data of flow monitoring meter 5 is compared with preset feeding data, when the actual monitoring feeding flow is compared with preset flow, it can be determined that blocking occurs, sound and light alarm is provided on the side of main control, and sound and light alarm of main control sends dredging signal to air cannon 4 for dredging at the same time alarm;

[0024] Several electromagnetic control valves are provided on several air cannon 4 for dredging, several electromagnetic control valves are connected with main control, and main control controls the electromagnetic coil of electromagnetic control valve to work, so that electromagnetic control valve is opened, and air cannon 4 for dredging blows high-pressure high-speed air into feeder 1, to break the blocked material group;

[0025] Further, in order to cooperate with the chain effect of the unblocking work, the auxiliary unblocking structure 7 is arranged on the outer side of the feeder 1, when the air cannon unblocking effect is not good, the blocked material is cleaned through the work of the auxiliary unblocking structure 7;

[0026] According to the description attached Figs. 1-3 It can be seen that the auxiliary unblocking structure 7 includes an unblocking rack 71, and a shock hammer 72 is assembled on the unblocking rack 71, one side of the shock hammer 72 is provided with an electromagnetic control assembly 73, and the electromagnetic control assembly 73 controls the horizontal impact of the shock hammer 72 on the outer wall of the feeder 1;

[0027] In the specific implementation process, the electromagnetic control assembly 73 on the unblocking rack 71 can control the reciprocating motion of the shock hammer 72, and the vibration is transmitted to the feeder 1 by the reciprocating impact of the shock hammer 72 on the outer wall of the feeder 1, so that the blocked material in the feeder 1 is loosened under the action of vibration.

[0028] As a preferred solution, further, the plurality of air vents 3 are a plurality of cylindrical pipes connected to the inside of the feeding port 2, and the plurality of air vents 3 are arranged in a horizontal staggered manner around the bottom of the feeder 1, and the working uniformity of the unblocking air cannon 4 is maintained during unblocking, and the unblocking air cannon 4 works automatically from bottom to top.

[0029] As a preferred solution, further, a plurality of fixed frames 8 are arranged outside the feeder 1 to fix the plurality of unblocking air cannons 4, and the barrels of the plurality of unblocking air cannons 4 are connected to the plurality of air vents 3 through a plurality of flanges.

[0030] As a preferred solution, further, the electromagnetic control assembly 73 includes a control sleeve 731, the control sleeve 731 is arranged on the unblocking rack 71, a telescopic piston 732 is arranged in the control sleeve 731, a counter-pushing magnetic block is arranged on the telescopic piston 732, an electromagnet 734 is arranged at the end of the control sleeve 731 and corresponds to the counter-pushing magnetic block, a pair of counter-pushing springs are arranged on both sides of the telescopic piston 732, and a butt joint rod 733 is extended from the telescopic piston 732 and connected with the shock hammer 72.

[0031] In the specific implementation process, by controlling the work of the electromagnet 734, the electromagnetic force generated by the electromagnet 734 acts on the counter-pushing magnetic block, the counter-pushing magnetic block is driven to move under the action of the magnetic force, and then the butt joint rod 733 and the shock hammer 72 are driven to move synchronously under the action of the telescopic piston 732, the shock hammer 72 repeatedly knocks the feeder 1 in the telescopic motion process, and the pair of counter-pushing springs play a resetting and buffering role for the telescopic piston 732 when the shock hammer 72 is used, so as to avoid excessive impact force.

[0032] As a preferred solution, further, the oscillating hammer 72 is an arc-shaped plate with a slope matching the taper of the outer wall of the feeder 1, increasing the contact area between the oscillating hammer 72 and the outer wall of the feeder 1, improving the range of vibration conduction, and avoiding excessive impact force to cause damage to the feeder 1 in long-term use.

[0033] In summary, the feeder 1 interlocking alarm and blockage removal device installs an audible and visual alarm in the main control room, sets the minimum flow of the feeder 1, and automatically alarms with sound and light when the material of the feeder 1 is less than the minimum set parameter, reminding the post to find the changes of various parameters in time, and simultaneously, the gas gun of the raw coal bunker and the auxiliary blockage removal structure 7 are interconnected, the gas gun works automatically from bottom to top after the alarm of the feeder 1, and the auxiliary blockage removal structure 7 works when the blockage removal effect of the gas gun is poor, avoiding safety and production downtime accidents caused by the workers' failure to find in time.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A feed machine interlocking alarm unblocking device, comprising a feed machine (1), the feed machine (1) is a conical hopper, the bottom of the feed machine (1) is provided with a feed port (2), the outer side of the bottom end of the feed machine (1) is provided with a plurality of air vents (3), the outside of a plurality of air vents (3) is connected with a plurality of unblocking air cannons (4), characterized in that, The flow monitoring meter (5) is connected to the feeding port (2) through a connecting pipeline (6), and the flow monitoring meter (5) is connected with the master control, and a sound-light alarm is arranged on the master control side. A plurality of electromagnetic control valves are arranged on the plurality of air cannons (4), and the plurality of electromagnetic control valves are connected with the master control. An auxiliary unblocking structure (7) is arranged on the outer side of the feeder (1). The auxiliary unblocking structure (7) comprises an unblocking rack (71), and a shock hammer (72) is assembled on the unblocking rack (71). A plurality of air vents (3) are a plurality of cylindrical pipe fittings connected to the feeding port (2), and the plurality of air vents (3) are arranged horizontally and staggered at the bottom of the feeder (1).

2. A device for alerting and clearing blockage of a feeder according to claim 1, characterized in that A plurality of fixed frames (8) are arranged outside the feeder (1) to fix the plurality of air cannons (4), and the barrels of the plurality of air cannons (4) are connected with the plurality of air vents (3) through a plurality of flanges.

3. A device for alerting and clearing the blockage of a feeder according to claim 2, characterized in that, The electromagnetic control assembly (73) comprises a control sleeve (731) arranged on the unblocking rack (71), a telescopic piston (732) arranged in the control sleeve (731), a reverse push magnetic block arranged on the telescopic piston (732), an electromagnet (734) arranged at the end of the control sleeve (731) corresponding to the reverse push magnetic block, a pair of reverse springs arranged on both sides of the telescopic piston (732), and a butt joint rod (733) extending from the telescopic piston (732) and connected with the shock hammer (72).

4. A chain alarm and blockage removal device for a feeder according to claim 3, characterized in that The shock hammer (72) is an arc-lacking annular plate, and the slope of the side wall matches the taper of the outer wall of the feeder (1).

5. A chain alarm and blockage removal device for a feeder according to claim 4, characterized in that ​

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