CN215478439U

CN215478439U - Fly ash measurement automatic control system

Info

Publication number: CN215478439U
Application number: CN202121023620.9U
Authority: CN
Inventors: 丁基峰; 闫延锋; 孙小锋; 周东杰
Original assignee: Tianrui Cement Group Co Ltd
Current assignee: Tianrui Cement Group Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-11
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a fly ash metering automatic control system, which comprises a fly ash bin, wherein the bottom of the fly ash bin is provided with a plurality of first support columns, a buffer bin is arranged below the fly ash bin, the bottom of the buffer bin is provided with a plurality of second support columns, and a discharge port of the fly ash bin is communicated with a feed port of the buffer bin through a hose; buffering storehouse bottom opening part horizontal sliding connection has the striker plate, the striker plate realizes opening and sealing the buffering storehouse through the first pneumatic cylinder of being connected with it, the cylinder bottom of first pneumatic cylinder is equipped with the third pillar, be equipped with the weighing tipping bucket under the striker plate, the bottom one end of weighing tipping bucket rotates with the fourth pillar of vertical setting to be connected, the relative one end in bottom of weighing tipping bucket passes through second pneumatic cylinder fixed connection with fourth pillar lateral wall middle part, weighing tipping bucket bottom central authorities fixed mounting has weighing transducer, it is equipped with the storage fill to weigh the tipping bucket below. The utility model can automatically and accurately control the blending amount of the fly ash, realize accurate measurement and stable feeding, and greatly improve the precision of a fly ash measurement system.

Description

Fly ash measurement automatic control system

Technical Field

The utility model relates to the technical field of fly ash metering control equipment, in particular to a fly ash metering automatic control system.

Background

The fly ash is fine ash collected from flue gas after combustion, the fly ash is a main solid waste material discharged by a coal-fired power plant, and along with the development of the power industry, the discharge amount of the fly ash of the coal-fired power plant is increased year by year, so that the fly ash becomes one of industrial waste residues with larger discharge amount in China. A large amount of fly ash can generate dust without treatment, thereby polluting the atmosphere; if discharged into a water system, the river can be silted, and toxic chemicals in the river can cause harm to human bodies and organisms. Therefore, the fly ash is applied to the cement industry to replace the clay raw material to produce the cement, and can be well utilized.

However, the raw material proportion of cement extremely influences the quality of produced cement, so the precision of fly ash measurement is particularly important, but the using effect of the existing measuring equipment is difficult to meet the production requirement, and the problems of inaccurate measurement, unstable feeding, material flushing and material running are generally existed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an automatic control system for coal ash metering, which can automatically and accurately control the mixing amount of coal ash, realize accurate metering and stable feeding, and greatly improve the precision of a coal ash metering system.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a fly ash metering automatic control system comprises a fly ash bin, wherein the bottom of the fly ash bin is provided with a plurality of first support columns, a buffer bin with an open bottom is arranged below the fly ash bin, the bottom of the buffer bin is provided with a plurality of second support columns, and a discharge port of the fly ash bin is communicated with a feed port at the top of the buffer bin through an inclined hose; the horizontal sliding connection of buffering storehouse bottom opening part has the striker plate that can block fly ash completely, the striker plate realizes opening and sealing the buffering storehouse through the first pneumatic cylinder of being connected with it, the cylinder bottom of first pneumatic cylinder is equipped with the third pillar, be equipped with the weighing skip under the striker plate, the bottom one end of weighing skip rotates with the fourth pillar of vertical setting to be connected, and the relative one end in bottom of weighing skip and fourth pillar lateral wall middle part are through the second pneumatic cylinder fixed connection of slope, weighing skip bottom central authorities fixed mounting has weighing transducer, it is equipped with the storage fill to weigh the skip below, buffering storehouse lateral wall fixed mounting has the singlechip, singlechip and the equal electric connection of weighing transducer, first pneumatic cylinder and second pneumatic cylinder.

Preferably, the buffer bin is in a spindle shape with two small ends and a large middle.

Preferably, the length of the piston rod of the first hydraulic cylinder is greater than that of the striker plate.

Preferably, the storage hopper and the second hydraulic cylinder keep a safe distance which does not influence the bottom unloading of the weighing skip.

Preferably, the bottom of the storage bucket is provided with a plurality of universal wheels.

According to the technical scheme, the utility model has the beneficial effects that:

the utility model can slow down the feeding speed of the fly ash by additionally arranging the buffer bin, ensures stable feeding, detects the weight of the fly ash on the weighing tipping bucket in real time through the weight sensor, processes and compares the weight with the fly ash through the singlechip, and accurately controls the working state of the first hydraulic cylinder, thereby accurately controlling the feeding speed of the fly ash and realizing accurate control of the mixing amount of the fly ash.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a circuit diagram of the present invention.

The labels in the figure are: 1. fly ash storehouse, 2, hose, 3, first pillar, 4, weigh the tipping bucket, 5, second pillar, 6, surge bin, 7, singlechip, 8, striker plate, 9, first pneumatic cylinder, 10, third pillar, 11, fourth pillar, 12, second pneumatic cylinder, 13, weight sensor, 14, storage bucket, 15, universal wheel.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

As shown in fig. 1-2, a fly ash measurement automatic control system, includes that the bottom is equipped with the fly ash storehouse 1 of a plurality of first pillars 3, the open surge bin 6 in bottom is equipped with to fly ash storehouse 1 below, surge bin 6 is the big fusiform in middle of the little two, and the middle part can save more fly ash, and the speed that fly ash fell can be slowed down to the bottom, cushions fly ash better, promotes the precision of fly ash measurement.

6 bottoms of surge bin are equipped with a plurality of second pillars 5 that support surge bin 6, the 1 discharge gate in fly ash storehouse communicates through the hose 2 of slope with the pan feeding mouth at 6 tops of surge bin, and the hose 2 of slope can slow down the speed that the fly ash falls, promotes the precision of fly ash measurement.

6 bottom opening part horizontal sliding connection of surge bin has the striker plate 8 that can block fly ash completely, striker plate 8 realizes opening and sealing surge bin 6 through the first pneumatic cylinder 9 rather than being connected, the cylinder bottom of first pneumatic cylinder 9 is equipped with third pillar 10, the length of the first pneumatic cylinder 9 piston rod is greater than the length of striker plate 8, and the opening of the fly ash ejection of compact can be opened completely for fly ash falling speed can reach the biggest, shortens the measuring time.

The utility model discloses a safe distance that the weighing skip 4, including striker plate 8, weighing skip 4 below is equipped with and stores fill 14, the bottom one end of weighing skip 4 rotates with the fourth pillar 11 of vertical setting to be connected, and the relative one end in bottom of weighing skip 4 and the 11 lateral walls middle parts of fourth pillar are through the second pneumatic cylinder 12 fixed connection of slope, and the flexible weighing skip 4 that drives of second pneumatic cylinder 12 overturn, it does not influence the safe distance of unloading 4 bottoms of weighing skip to store fill 14 and second pneumatic cylinder 12 and keep. The bottom of the storage hopper 14 is provided with a plurality of universal wheels 15, which is convenient for transportation.

The central authorities in weighing tipping bucket 4 bottom fixedly mounted have real-time detection weigh the weighing sensor 13 of interior fly ash weight of tipping bucket 4, surge bin 6 lateral wall fixed mounting has singlechip 7, singlechip 7 and weighing sensor 13, first pneumatic cylinder 9 and the equal electric connection of second pneumatic cylinder 12 and control their work.

In the operation process of the system:

firstly, coal ash is poured into a buffer bin 6 from a coal ash bin 1 through a hose 2, the coal ash falls into a weighing tipping bucket 4 through the buffer bin 6, a weight sensor 13 detects the weight of the coal ash in the weighing tipping bucket 4 in real time, and weight information is transmitted to a single chip microcomputer 7; then the single chip microcomputer 7 compares the weight information with an expected value, if the weight is far smaller than the expected value, the single chip microcomputer 7 controls the first hydraulic cylinder 9 to contract, the opening for discharging the fly ash is enlarged, and the falling speed of the fly ash is increased; if the weight is close to the expected value, the singlechip 7 controls the first hydraulic cylinder 9 to extend, the opening for discharging the fly ash is reduced, and the falling speed of the fly ash is slowed down; if the weight is equal to the expected value, the single chip microcomputer 7 controls a piston rod of the first hydraulic cylinder 9 to be completely extended out, and an opening for discharging the fly ash is closed to block the fly ash; and finally, the singlechip 7 controls the second hydraulic cylinder 12 to contract, the weighing tipping bucket 4 is turned over, and the fly ash in the weighing tipping bucket 4 is poured into the storage hopper 14.

It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides a fly ash measures automatic control system, includes fly ash storehouse (1) that the bottom is equipped with a plurality of first pillars (3), its characterized in that: a buffer bin (6) with an open bottom is arranged below the fly ash bin (1), a plurality of second support columns (5) are arranged at the bottom of the buffer bin (6), and a discharge hole of the fly ash bin (1) is communicated with a feed inlet at the top of the buffer bin (6) through an inclined hose (2); the horizontal sliding connection of the opening at the bottom of the buffer bin (6) is provided with a material baffle plate (8) capable of completely blocking the fly ash, the material baffle plate (8) is opened and closed to the buffer bin (6) through a first hydraulic cylinder (9) connected with the material baffle plate, a third support column (10) is arranged at the bottom of a cylinder barrel of the first hydraulic cylinder (9), a weighing skip bucket (4) is arranged under the material baffle plate (8), one end of the bottom of the weighing skip bucket (4) is rotatably connected with a vertically arranged fourth support column (11), the opposite end of the bottom of the weighing skip bucket (4) is fixedly connected with the middle part of the side wall of the fourth support column (11) through an inclined second hydraulic cylinder (12), a weight sensor (13) is fixedly arranged at the center of the bottom of the weighing skip bucket (4), a storage bucket (14) is arranged under the weighing skip bucket (4), and a single chip microcomputer (7) is fixedly arranged on the side wall of the buffer bin (6), the single chip microcomputer (7) is electrically connected with the weight sensor (13), the first hydraulic cylinder (9) and the second hydraulic cylinder (12).

2. The fly ash metering automatic control system as claimed in claim 1, wherein: the buffer bin (6) is in a spindle shape with two small ends and a large middle.

3. The fly ash metering automatic control system as claimed in claim 1, wherein: the length of the piston rod of the first hydraulic cylinder (9) is greater than that of the striker plate (8).

4. The fly ash metering automatic control system as claimed in claim 1, wherein: the storage hopper (14) and the second hydraulic cylinder (12) keep a safe distance which does not affect the bottom unloading of the weighing tipping bucket (4).

5. The fly ash metering automatic control system as claimed in claim 1, wherein: the bottom of the storage hopper (14) is provided with a plurality of universal wheels (15).