CN218820485U

CN218820485U - Weighing coal feeder

Info

Publication number: CN218820485U
Application number: CN202223176802.7U
Authority: CN
Inventors: 陈志平; 沈晓东; 张建霞
Original assignee: Shandong Baite Electronics Co ltd
Current assignee: Shandong Baite Electronics Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-07
Anticipated expiration: 2032-11-29

Abstract

Weighing coal feeder, relate to the coal feeding apparatus technical field, including the seal box, the horizontal rotation is equipped with the belt feeder in the seal box, still be equipped with two bearing roller belt weighers on the belt feeder, the upper end of seal box is equipped with granule feed inlet and cubic feed inlet side by side, be connected with the main workbin on the granule feed inlet, main workbin vibrating mounting is on the seal box, the slope rigid coupling has the screening board in the main workbin, the equipartition has granule blanking hole on the screening board, cubic discharge opening has been seted up on the lateral wall that the main workbin is in the screening board upper end, be connected with vice workbin on the cubic feed inlet, vice workbin and cubic discharge opening phase-match. The utility model provides a combustion boiler among the conventional art in the use, in order to control the size of firepower, need adjust the granularity that the coal charge got into, but the current device all is that single material granularity gets into, can't match the problem of different firepower size controls.

Description

Weighing coal feeder

Technical Field

The utility model relates to a coal feeding apparatus technical field, concretely relates to feeder of weighing.

Background

The belt weighing type coal feeder is mainly used for feeding and weighing in power plant pulverizing systems, storage pulverizing systems, fluidized bed boilers, mines, metallurgy, cement, food, chemical industry and other industries. The belt weighing coal feeder is an important auxiliary device of a combustion system of a thermal power plant, is a component of a boiler system, and is matched with a coal mill in a powder preparation system of the thermal power plant to realize continuous and uniform adjustment of coal feeding amount and measurement of the coal feeding amount in the boiler combustion system.

The patent with the publication number of CN204847287U is disclosed in the prior art, and the scheme comprises a plurality of mesh screens, slide ways, rollers, a support and a driving motor, wherein the driving motor is arranged on the support, a plurality of conveying mesh screens are arranged on the chain, the slide ways are arranged on two sides of the conveying mesh screens, a plurality of rollers are arranged in the slide ways, and the rollers slide under the action of the driving motor. The utility model discloses simple structure, transmission efficiency is high, and can realize sieving the coal of different particle diameters, then transmits again, has effectively improved the quality and the efficiency of coal transmission.

The prior art including the above patents also gradually expose the disadvantages with the use, which mainly appear in the following aspects:

in the use process of the combustion boiler, in order to control the firepower, the particle size of the coal material is required to be adjusted, but the existing devices are all single material particle size entering and cannot be matched with the control of different firepower.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a combustion boiler among the conventional art in the use, in order to control the size of firepower, need adjust the granularity that the coal charge got into, but the current device all is that single material granularity gets into, can't match the problem of different firepower size controls.

In order to solve the above problem, the utility model provides a following technical scheme:

weighing coal feeder, including the seal box, the horizontal rotation is equipped with the belt feeder in the seal box, still be equipped with two bearing roller belt weighers on the belt feeder, the upper end of seal box is equipped with granule feed inlet and cubic feed inlet side by side, be connected with the main work bin on the granule feed inlet, main work bin vibrating mounting in on the seal box, the rigid coupling that inclines in the main work bin has the screening board, the equipartition has granule blanking hole on the screening board, the cubic discharge opening has been seted up on the lateral wall that the main work bin is in screening board upper end, be connected with the auxiliary work bin on the cubic feed inlet, the auxiliary work bin with cubic discharge opening phase-match.

As an optimized scheme, the upper end portion of the closed box is fixedly connected with a rack, the outer wall of the main box is horizontally and fixedly connected with a supporting plate, a supporting spring is arranged between the lower surface of the supporting plate and the rack, and the outer wall of the closed box is fixedly connected with a vibrating motor.

As an optimized scheme, a plurality of material blocking protruding plates are fixedly connected to the upper surfaces of the screening plates in parallel, and the material blocking protruding plates face the upper end portions of the screening plates in an inclined mode.

As an optimized scheme, the lower end part of the main material box is provided with a particle discharging square cylinder in a tapered mode, and a valve plate is arranged in the particle discharging square cylinder in a swinging mode.

As an optimized scheme, a steering engine for driving the valve plate to swing is fixedly connected to the outer wall of the particle discharging square cylinder.

As an optimized scheme, a particle blanking guide cylinder is fixedly connected to the particle blanking hole, and the discharge end of the particle discharging square cylinder extends into the particle blanking guide cylinder.

As an optimized scheme, a material guide hopper is fixedly connected to the outer wall of the closed box below the block-shaped discharge hole in an inclined and downward mode, and the discharge end of the material guide hopper is located above the auxiliary material box.

As an optimized scheme, the lower end part of the auxiliary material box is provided with a blocky discharging square cylinder in a tapered mode, and an adjusting plate is arranged in the blocky discharging square cylinder in a sliding mode.

As an optimized scheme, a telescopic cylinder is fixedly connected to the outer wall of the block-shaped discharging square barrel through a support, and the telescopic end of the telescopic cylinder is fixedly connected with one end of the adjusting plate.

As an optimized scheme, the opposite inner walls of the blocky discharging square barrel are respectively and horizontally and fixedly connected with supporting bars, and the two side walls of the adjusting plate are slidably supported on the two supporting bars.

As an optimized scheme, a sliding hole is formed in the side wall of the block-shaped discharging square barrel, and the adjusting plate is arranged in the sliding hole in a sliding mode.

As an optimized scheme, a blocky blanking guide cylinder is fixedly connected to the blocky blanking hole, and the discharge end of the blocky discharge square cylinder extends into the blocky blanking guide cylinder.

As an optimized scheme, a discharge barrel is fixedly connected to the lower end part, close to the discharge end of the belt conveyor, of the closed box.

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

the main material box is used for feeding coal materials, the vibration motor is used for driving the main material box to vibrate, the granular coal materials pass through the granular blanking holes of the sieving plate and fall into the granular discharging square barrel for collection, and the steering engine is used for controlling the swinging angle of the valve plate so as to realize the adjustment and the on-off of the falling amount of the granular coal materials;

the blocked massive materials are led out along the massive discharging holes and fall into the auxiliary material box to be classified and collected through the vibration of the vibration motor and the material blocking convex plate, and the falling amount of the massive coal materials is adjusted and switched on and off through the sliding of the adjusting plate controlled by the telescopic cylinder;

the coal falling onto the belt conveyor is weighed by a double-carrier roller belt scale and then is guided out from a discharge cylinder and falls into a boiler to realize feeding;

wherein granule coal charge and cubic coal charge classified collection can realize selecting granule coal charge, cubic coal charge according to the size of boiler vigor or want the mode of combining to realize the boiler feed, facilitates the use, is convenient for adjust the boiler firepower size.

Drawings

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 embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-sealing the box; 2-a belt conveyor; 3-double carrier roller belt weigher; 4-a main material box; 5-auxiliary material box; 6-screening a plate; 7-block discharge holes; 8-a material guide hopper; 9-a material blocking convex plate; 10-a frame; 11-a support plate; 12-a vibration motor; 13-particle blanking guide cylinder; 14-a valve plate; 15-granule discharging square cylinder; 16-block blanking guide cylinder; 17-an adjusting plate; 18-a telescopic cylinder; 19-a discharge cylinder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, weighing coal feeder, including the seal box 1, the horizontal rotation is equipped with belt feeder 2 in the seal box 1, still be equipped with two bearing roller belt weighers 3 on the belt feeder 2, the upper end of seal box 1 is equipped with granule feed inlet and cubic feed inlet side by side, be connected with main workbin 4 on the granule feed inlet, main workbin 4 vibrating mounting is on seal box 1, the rigid coupling that inclines has screening board 6 in main workbin 4, the equipartition has granule blanking hole on screening board 6, cubic discharge opening 7 has been seted up on the lateral wall that main workbin 4 is in screening board 6 upper end, be connected with vice workbin 5 on the cubic feed inlet, vice workbin 5 and cubic discharge opening 7 phase-match.

The upper end of the closed box 1 is fixedly connected with a frame 10, the outer wall of the main box 4 is horizontally and fixedly connected with a supporting plate 11, a supporting spring is arranged between the lower surface of the supporting plate 11 and the frame 10, and the outer wall of the closed box 1 is fixedly connected with a vibrating motor 12.

The upper surface of screening board 6 is the rigid coupling side by side has a plurality of fender protruding board 9, and a plurality of fender protruding board 9 sets up towards the upper end slope of screening board 6.

The lower end part of the main material box 4 is provided with a particle discharging square cylinder 15 in a gradually shrinking way, and a valve plate 14 is arranged in the particle discharging square cylinder 15 in a swinging way.

The outer wall of the particle discharging square cylinder 15 is fixedly connected with a steering engine for driving the valve plate 14 to swing.

A particle blanking guide barrel 13 is fixedly connected to the particle blanking hole, and the discharge end of the particle discharge square barrel 15 extends into the particle blanking guide barrel 13.

The outer wall of the closed box 1 below the block-shaped discharging hole 7 is obliquely and downwards fixedly connected with a material guide hopper 8, and the discharging end of the material guide hopper 8 is positioned above the auxiliary material box 5.

The lower end part of the auxiliary material box 5 is provided with a block-shaped discharging square cylinder in a tapered way, and an adjusting plate 17 is arranged in the block-shaped discharging square cylinder in a horizontal sliding way.

The outer wall of the block-shaped discharging square cylinder is fixedly connected with a telescopic cylinder 18 by a bracket, and the telescopic end of the telescopic cylinder 18 is fixedly connected with one end of an adjusting plate 17.

The opposite inner walls of the blocky discharging square cylinder are respectively and horizontally and fixedly connected with support bars, and the two side walls of the adjusting plate 17 are slidably supported on the two support bars.

The side wall of the block-shaped discharging square cylinder is provided with a sliding hole, and the adjusting plate 17 is arranged in the sliding hole in a sliding manner.

A blocky blanking guide barrel 16 is fixedly connected to the blocky blanking hole, and the discharge end of the blocky discharge square barrel extends into the blocky blanking guide barrel 16.

A discharging barrel 19 is fixedly connected with the lower end part of the closed box 1 close to the discharging end of the belt conveyor 2.

The working principle of the device is as follows:

the coal is put into the main material box 4, the main material box 4 is driven to vibrate by the vibration motor 12, the granular coal falls into the granular discharging square barrel 15 through the granular blanking holes of the sieving plate 6 to be collected, and the falling amount of the granular coal is adjusted and switched on and off by controlling the swinging angle of the valve plate 14 through the steering engine;

the blocked massive materials are led out along the massive discharging holes 7 and fall into the auxiliary material box 5 to be classified and collected through the vibration of the vibration motor 12 and the material blocking convex plate 9, and the falling amount of the massive coal materials is adjusted and switched on and off through the sliding of the adjusting plate 17 controlled by the telescopic cylinder 18;

the coal falling onto the belt conveyor 2 is weighed by a double-carrier roller belt scale 3 and then is guided out from a discharge barrel 19 to fall into a boiler to realize feeding;

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. Weighing coal feeder, its characterized in that: including seal box (1), horizontal rotation is equipped with belt feeder (2) in seal box (1), still be equipped with two bearing roller belt weighers (3) on belt feeder (2), the upper end of seal box (1) is equipped with granule feed inlet and cubic feed inlet side by side, be connected with main workbin (4) on the granule feed inlet, main workbin (4) vibration mounting in on seal box (1), the rigid coupling that inclines in main workbin (4) has screening board (6), the equipartition has granule blanking hole on screening board (6), cubic discharge opening (7) have been seted up on the lateral wall that main workbin (4) are in screening board (6) upper end, be connected with vice workbin (5) on the cubic feed inlet, vice workbin (5) with cubic discharge opening (7) phase-match.

2. The weighing coal feeder of claim 1, wherein: the upper end rigid coupling of seal box (1) has frame (10), the outer wall of main material case (4) is improved level the rigid coupling and is had backup pad (11), the lower surface of backup pad (11) with be equipped with supporting spring between frame (10), the rigid coupling has vibrating motor (12) on the outer wall of seal box (1).

3. The weighing coal feeder of claim 2, wherein: the upper surface of screening board (6) parallel rigid coupling has a plurality of fender protruding board (9), a plurality of fender protruding board (9) court the upper end slope of screening board (6) sets up.

4. The weighing coal feeder of claim 3, wherein: the lower end part of the main material box (4) is provided with a particle discharging square cylinder (15) in a gradually-reduced mode, and a valve plate (14) is arranged in the particle discharging square cylinder (15) in a swinging mode.

5. The weighing coal feeder of claim 4, wherein: the outer wall of the particle discharging square cylinder (15) is fixedly connected with a steering engine for driving the valve plate (14) to swing.

6. The weighing coal feeder of claim 5, wherein: a particle blanking guide cylinder (13) is fixedly connected to the particle blanking hole, and the discharge end of the particle discharge square cylinder (15) extends into the particle blanking guide cylinder (13).

7. The weighing coal feeder of claim 6, wherein: the closed box (1) is located a material guide hopper (8) is fixedly connected to the outer wall below the block-shaped discharge hole (7) in an upward direction, and the discharge end of the material guide hopper (8) is located above the auxiliary material box (5).

8. The weighing coal feeder of claim 7, wherein: the lower end part of the auxiliary material box (5) is provided with a block-shaped discharging square cylinder in a tapered manner, and an adjusting plate (17) is arranged in the block-shaped discharging square cylinder in a horizontal sliding manner.

9. The weighing coal feeder of claim 8, wherein: the outer wall of the block-shaped discharging square barrel is fixedly connected with a telescopic cylinder (18) by a support, and the telescopic end of the telescopic cylinder (18) is fixedly connected with one end of the adjusting plate (17).

10. The weighing coal feeder of claim 9, wherein: the side wall of the block-shaped discharging square barrel is provided with a sliding hole, and the adjusting plate (17) is arranged in the sliding hole in a sliding manner.