CN216037000U

CN216037000U - Coal chute coal blockage detection device

Info

Publication number: CN216037000U
Application number: CN202121487444.4U
Authority: CN
Inventors: 石广禄; 娄晓雷; 柴森; 闫安
Original assignee: Hebei Handan Power Generation Co Ltd
Current assignee: Hebei Handan Power Generation Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-15
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a coal chute blockage detection device which comprises a coal chute, wherein a discharge hole is formed in one side of the coal chute, shaft sleeves are fixedly connected to two sides of the discharge hole of the coal chute, one end of each shaft sleeve is rotatably connected with a rotating shaft, one end of each rotating shaft is rotatably connected with a baffle, an alarm switch is fixedly connected below the discharge hole of the coal chute, one side of the alarm switch is fixedly connected with a connecting wire, a PLC (programmable logic controller) device is fixedly connected to one side of the coal chute, which is located on the connecting wire, and a plurality of alarm lamps are fixedly connected to the top end of the PLC device. According to the coal blockage detection device, the coal breakage detection can be better and more accurate through the effect of the discharge hole and the baffle plate, so that when coal blockage occurs, workers can be reminded through the alarm of the alarm lamp, and then the alarm is sent out in time to stop equipment, so that equipment damage and coal accumulation cleaning labor cost caused by a large amount of coal blockage are reduced, and normal coal blending is guaranteed.

Description

Coal chute coal blockage detection device

Technical Field

The utility model relates to the technical field of coal dropping cylinders, in particular to a coal dropping cylinder coal blockage detection device.

Background

Coal, called coal for short, is ancient plant remains, is buried under the stratum, and under the action of the pressure and temperature condition of air isolated by the crust, carbonized fossil minerals are produced, mainly mined by human beings and used as fuel, and the coal is used for modern industries, both heavy industry and light industry; the coal is called as the real grain of industry and is one of the main energy sources used in the human world since the eighteenth century because various industrial departments need to consume a certain amount of coal to a certain extent regardless of the energy industry, the metallurgical industry, the chemical industry and the mechanical industry, the light textile industry, the food industry and the transportation industry.

In the coal conveying system of a coal-fired heat supply boiler and a thermal power plant, a coal dropping cylinder is a main conveying connecting part between conveying, storing, transferring, screening and crushing equipment which are connected with each transfer station, a screening chamber and each layer in a main factory building, but because the coal entering the factory is self-quality and moisture is doped in the process of transportation, coal blockage of the coal dropping cylinder is easily caused, and especially the coal blockage of the coal-fired heat supply boiler and the thermal power plant in southern areas is serious in rainy season.

However, the coal chute used at present often has the situation of coal blockage, and the currently applied coal blockage detection device usually causes equipment shutdown to find the serious situation of coal blockage, so that a large amount of coal blockage causes equipment damage and coal accumulation labor cost cleaning, and thus, the trouble of maintenance can be brought to workers, and further, a large amount of loss is brought to enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a coal chute blockage detection device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a coal breakage section of thick bamboo chute blockage detection device, includes a coal breakage section of thick bamboo, the discharge gate has been seted up to one side of a coal breakage section of thick bamboo, a coal breakage section of thick bamboo is at the both sides fixedly connected with axle sleeve that is located the discharge gate, the one end of axle sleeve is rotated and is connected with the axis of rotation, the one end of axis of rotation is rotated and is connected with the baffle, a coal breakage section of thick bamboo is at the below fixedly connected with alarm switch who is located the discharge gate, one side fixedly connected with connecting wire of alarm switch, a coal breakage section of thick bamboo is located one side fixedly connected with PLC device of connecting wire, a plurality of alarm lamps of top fixedly connected with of PLC device.

Preferably, the connecting grooves are formed in two sides of the top of the baffle plate, and the rotating shaft is rotatably connected with the connecting grooves.

Preferably, a rotating groove is formed in one side, close to the baffle, of the shaft sleeve, and the rotating shaft is rotatably connected with the rotating groove.

Preferably, the size of the discharge hole is mm, the size of the baffle plate is mm, and the baffle plate is located outside the discharge hole.

Preferably, one end of the connecting wire is connected to the alarm switch, and the other end of the connecting wire is connected to the PLC device.

Preferably, the coal dropping cylinder is hollow, and the alarm switch is located at the front end of the baffle.

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

1. effect through discharge gate and baffle, after the coal of a coal breakage section of thick bamboo the inside reaches a certain amount, will spill over from the discharge gate, at this moment, through the axis of rotation, cooperation between axle sleeve and the baffle just can make the baffle open, touch alarm switch through the effect that the baffle was opened, at this moment alarm switch opens, because of the effect of connecting wire, and then make on signal transmission to the PLC device, make the alarm lamp take place alarm signal, through such setting, can make the coal breakage detect better accurate, make when taking place the chute blockage, can pass through the warning of alarm lamp, remind the staff, this detection device can effectively monitor a coal breakage section of thick bamboo chute blockage situation, in time send out alarm stop equipment, the equipment damage that has reduced a large amount of chute blockage and has caused and clear up long-pending coal labour cost, guarantee normal joining in marriage the coal.

2. To sum up, the simple structure of this device design, easy to maintain, the fault rate is low, can effectively monitor the coal blockage situation, has reduced the loss for the enterprise, provides convenience for maintenance personal.

Drawings

FIG. 1 is a schematic structural diagram of a coal chute blockage detection device according to the present invention;

FIG. 2 is a schematic structural diagram of a coal chute blockage detection device according to the present invention;

FIG. 3 is a schematic structural diagram of a coal chute blockage detection device according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is an enlarged view of fig. 3 at B.

In the figure: 1 coal chute, 2 baffles, 3PLC devices, 4 alarm lamps, 5 rotating shafts, 6 alarm switches, 7 connecting wires, 8 discharge ports and 9 shaft sleeves.

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.

Referring to fig. 1-5, a coal chute coal blockage detection device comprises a coal chute 1, a discharge port 8 is formed in one side of the coal chute 1, the size of the discharge port 8 is 300 × 300mm, the interior of the coal chute 1 is hollow, shaft sleeves 9 are fixedly connected to two sides of the discharge port 8 of the coal chute 1, one end of each shaft sleeve 9 is rotatably connected with a rotating shaft 5, one end of each rotating shaft 5 is rotatably connected with a baffle 2, one side of each shaft sleeve 9, which is close to the baffle 2, is provided with a rotating groove, the rotating shaft 5 is rotatably connected with the rotating groove, two sides of the top of the baffle 2 are provided with connecting grooves, the rotating shaft 5 is rotatably connected with the connecting grooves, the baffle 2 is 350 × 350, the baffle 2 is located outside the discharge port 8, an alarm switch 6 is fixedly connected to the lower portion of the coal chute 1, which is located below the discharge port 8, the alarm switch 6 is positioned at the front end of the baffle plate 2, one side of the alarm switch 6 is fixedly connected with a connecting wire 7, the coal dropping cylinder 1 is positioned at one side of the connecting wire 7 and is fixedly connected with a PLC device 3, one end of the connecting wire 7 is connected with the alarm switch 6, the other end of the connecting wire 7 is connected with the PLC device 3, the top end of the PLC device 3 is fixedly connected with a plurality of alarm lamps 4, when coal in the coal dropping cylinder reaches a certain amount, the coal overflows from the discharge hole 8 under the action of the discharge hole 8 and the baffle plate 2, the baffle plate 2 is opened through the matching among the rotating shaft 5, the shaft sleeve 9 and the baffle plate 2, the alarm switch 6 is touched through the opening action of the baffle plate 2, the alarm switch 6 is opened at the moment, signals are transmitted to the PLC device 3 under the action of the connecting wire 7, and alarm signals are generated by the alarm lamps 4, through such setting, can make the coal breakage detect better accurate, make when taking place the chute blockage, can remind the staff through the warning of alarm lamp 4, this detection device can effectively monitor 1 chute blockage situation of a coal breakage section of thick bamboo, in time sends out the alarm and stops equipment, has reduced the equipment damage that a large amount of chute blockages caused and has cleared up long-pending coal labour cost, guarantees normal participation and goes up the coal.

To sum up, the simple structure of this device design, easy to maintain, the fault rate is low, can effectively monitor the coal blockage situation, has reduced the loss for the enterprise, provides convenience for maintenance personal.

The functional principle of the utility model can be illustrated by the following operation modes:

when coal transports, 1 the inside of coal breakage section of thick bamboo can be because of the humidity of coal, and the adhesion is in the inside of coal breakage section of thick bamboo 1, along with long-time transportation, can overstock a large amount of coals in the coal breakage section of thick bamboo 1, when coal overstock in coal breakage section of thick bamboo 1 is to certain time, at this moment, coal will spill over through discharge gate 8, when coal spills over, effect through axis of rotation 5 and axle sleeve 9, make coal carry out back-open baffle 2, when back-open baffle 2, alarm switch 6 can be touched to baffle 2, effect through connecting wire 7, make on signal transmission to PLC device 3, at this moment alarm lamp 4 can report to the police, through such setting, in the time of chute blockage, can make the timely understanding chute blockage condition of staff, avoid a large amount of chute blockage to cause the damage of equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a coal breakage section of thick bamboo chute blockage detection device, includes coal breakage section of thick bamboo (1), its characterized in that, discharge gate (8) have been seted up to one side of coal breakage section of thick bamboo (1), coal breakage section of thick bamboo (1) is in both sides fixedly connected with axle sleeve (9) that lie in discharge gate (8), the one end of axle sleeve (9) is rotated and is connected with axis of rotation (5), the one end of axis of rotation (5) is rotated and is connected with baffle (2), coal breakage section of thick bamboo (1) is in below fixedly connected with alarm switch (6) that lie in discharge gate (8), one side fixedly connected with connecting wire (7) of alarm switch (6), coal breakage section of thick bamboo (1) is in one side fixedly connected with PLC device (3) of connecting wire (7), a plurality of alarm lamps (4) of top fixedly connected with of PLC device (3).

2. The coal chute blockage detection device as claimed in claim 1, wherein two sides of the top of the baffle plate (2) are provided with connecting grooves, and the rotating shaft (5) is rotatably connected with the connecting grooves.

3. The coal chute blockage detection device as recited in claim 1, wherein a rotation groove is formed in one side of the shaft sleeve (9) close to the baffle (2), and the rotation shaft (5) is rotatably connected with the rotation groove.

4. The coal chute blockage detection device as recited in claim 1, wherein the size of the discharge port (8) is 300 x 300mm, the size of the baffle (2) is 350 x 350, and the baffle (2) is located outside the discharge port (8).

5. The coal chute blockage detection device as claimed in claim 1, wherein one end of the connecting line (7) is connected to the alarm switch (6), and the other end of the connecting line (7) is connected to the PLC device (3).

6. The coal chute blockage detection device as claimed in claim 1, wherein the coal chute (1) is hollow, and the alarm switch (6) is located at the front end of the baffle (2).