CN112499294A

CN112499294A - Activation compound feeder

Info

Publication number: CN112499294A
Application number: CN202011497976.6A
Authority: CN
Inventors: 熊伟; 谢长军; 黄亮; 王丹
Original assignee: Wuhan Xin Huayuan Electric Power Equipment Co ltd
Current assignee: Wuhan Xin Huayuan Electric Power Equipment Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-03-16

Abstract

The invention belongs to the field of mechanical feeding equipment, and provides an activation compound feeder which comprises a feeding hopper, an activation body, an activation cone, a vibration motor, a vibration exciter, a vibration exciting spring group, a vibration isolating spring group, a spiral groove body, a spiral shaft and a discharging hopper; the lower part of the feed hopper is inserted into the activation body, the lower part of the activation body is inserted into the spiral groove body, and the lower part of the spiral groove body is connected with the discharge hopper; an activation cone is arranged in the activation body, the bottom of the activation body is supported on the upper edge of the spiral groove body through a shock insulation spring group, one side of the outer part of the activation body is connected with an excitation body through an excitation spring group, and a vibration motor is arranged on the excitation body; the spiral shaft penetrates through the spiral groove body to be arranged. The invention combines the principles of volumetric feeding and weight feeding, realizes two conveying principles in one device by utilizing a space isolation mode, ensures that the feeding device has the capabilities of large opening anti-blocking and upper bin pressure resistance, is pressure-resistant and stable in feeding, and can be used in the environments such as silos and the like with easy material blocking or high pressure.

Description

Activation compound feeder

Technical Field

The invention belongs to the field of mechanical feeding equipment, and particularly relates to an activation compound feeder.

Background

Industrial transport of bulk particulate or powdery materials has traditionally been divided into two main categories, volumetric and gravimetric, volumetric feeding operating by adjusting and controlling the volumetric removal rate of the silo, the most common types of such feeders being: screws, belts, and rotary valves; the weight type feeding is performed by group flow type vibration feeding and by reducing the weight of the materials in the bin, and an activation feeding machine, an inclined feeding machine, an activation hopper and the like are common. Due to different feeding principles, the use scenes and the positioning of the two types of products are different.

Different types of feeding equipment are good and bad due to different materials to be conveyed and different application places. In most cases: the conveyable granularity of the volumetric feeder is small, and the material is required to be dry and have good fluidity; the gravimetric feeder can convey large particles (up to 300mm and above) and can convey materials which are viscous, wet, hydrated and contain various impurities. In addition: the volumetric feeder does not resist impact and bin pressure, but the feeding and locking are stable, the gravimetric feeder can be started at full load by designing to bear large bin pressure, but the feeding and locking capacity of the gravimetric feeder can fluctuate due to the change of the fluidity of the materials. The performance preference is determined by the mechanical structure and the feeding principle of the equipment, and even if the pressure resistance and the allowable granularity of the volumetric feeder are improved, the performance preference is far different from those of a gravimetric feeder with different grades; similarly, regardless of how the gravimetric feeder improves its feeding stability, its feeding accuracy is far less than that of the volumetric feeder.

The representative screw feeder in the volumetric feeder is generally used for the conveying working condition of ordinary feeding amount high accuracy, and the representative activation feeder in the gravimetric feeder is generally used for the conveying working condition of high conveying amount to the accuracy requirement is general. With the demand of industrial development and the scale enlargement of coal dressing plants, an apparatus which can simultaneously meet the requirements of large feeding amount and accurate feeding is urgently needed, and the existing apparatus on the market can not completely meet the requirements.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the active compound feeder which combines volumetric feeding and gravimetric feeding, so that the device has the advantages of two feeding principles, becomes a new feeding device, has large material-receiving allowable granularity and strong bin pressure resistance, and simultaneously has stable feeding amount and material locking capacity.

In order to achieve the purpose, the invention adopts the following technical scheme.

The invention provides an activation compound feeder which comprises a feeding hopper, an upper flexible connection, an activation body, an activation cone, a vibration motor, an excitation body, an excitation spring group, an isolation spring group, a lower flexible connection, a spiral groove body, a spiral shaft, a driving system, a variable frequency adjusting system, a discharging hopper and an equipment bracket, wherein the upper flexible connection is connected with the lower flexible connection; the feeding hopper is welded on an outlet of the feeding hopper at the upper part, the lower part of the feeding hopper is inserted into the activation body, the feeding hopper and the activation body are sealed through upper flexible connection, the lower part of the activation body is inserted into the spiral groove body and is sealed through lower flexible connection, the lower part of the spiral groove body is connected with the discharging hopper, and the discharging hopper is fixed on a guide chute of the belt conveyor at the lower part; an activation cone is arranged in the activation body, the bottom of the activation body is supported on the upper edge of the spiral groove body through a shock insulation spring group, one side of the outer part of the activation body is connected with an excitation body through an excitation spring group, and a vibration motor is arranged on the excitation body; the spiral shaft penetrates through the spiral groove body to be arranged, one side of the outer part of the spiral shaft is connected with a driving system, the spiral groove body is arranged on an equipment support and arranged across the belt conveyor, and the equipment support is arranged on hardened ground; the vibration motor and the driving system are remotely or locally regulated by a variable frequency regulation system.

In the technical scheme, after the installation is finished, under the condition that the heavy load bears bin pressure, the feed hopper needs to be inserted into the activation body by 70-80mm, and the activation body needs to be inserted into the spiral groove body by 70-80 mm; under the no-load condition, the feeder hopper needs to keep obviously inserting the activation body, and the activation body needs to keep obviously inserting the spiral groove body, can not deviate from.

The beneficial effect of adopting the further scheme is that: the insertion depth of the shell is kept to be 70-80mm, so that most of coal with the granularity specification can not be overturned out of the shell of the equipment during coal conveying, and if the insertion depth is too large, the useless height of the equipment is increased.

In the technical scheme, the distance between the insertion position of the feed hopper and the periphery of the activation body is 15-30mm during the static period, and the distance between the insertion position of the activation body and the periphery of the spiral groove body is 15-30 mm.

The beneficial effect of adopting the further scheme is that: maintaining a 15-30mm spacing prevents the activating body from colliding with the lower spiral groove body during vibration, while excessive spacing increases the width of the apparatus, which is useless.

In the above technical scheme, the feed hopper, the activation body and the spiral groove body are all kept consistent in symmetry center.

The beneficial effect of adopting the further scheme is that: the consistency of feeding centering is kept, the integral installation is convenient, and the faults of collision and the like during the operation of the equipment are avoided.

In the technical scheme, the feed hopper, the activation body and the spiral groove body are in flange pressing sealing through upper soft connection and lower soft connection.

The beneficial effect of adopting the further scheme is that: the installation or the dismantlement convenient and fast, not fragile flexible connection material part can repetitious usage.

In the technical scheme, the upper flexible connection and the lower flexible connection are made of flexible flame-retardant wear-resistant materials.

The beneficial effect of adopting the further scheme is that: such materials may prevent the flexible connecting material from being damaged during installation and operation.

In the technical scheme, the spiral blade is arranged on the spiral shaft, the spiral blade is divided into two sections, and the rotation directions are opposite.

The beneficial effect of adopting the further scheme is that: through a set of double-rotation-direction spiral shaft, the materials of the blanking ports at two ends of the activation cone are concentrated to the middle part and fall down, so that the equipment structure is more compact and reasonable.

In the technical scheme, the driving system and the exciting body are respectively arranged on two sides of the activation body, and are not arranged on the same side.

The beneficial effect of adopting the further scheme is that: the daily maintenance and hoisting operation of the driving system and the vibration exciter are convenient.

In the above technical solution, the driving system is a speed reduction motor.

In the above technical solution, the frequency conversion adjusting system at least includes two frequency converters, and the vibration motor and the driving system are respectively adjusted by different frequencies.

In the technical scheme, a plurality of sets of spiral shafts are arranged in the spiral groove body and are conveyed in parallel.

In the technical scheme, the lower part of the spiral groove body is also provided with a discharge hopper, the upper end of the discharge hopper is welded at the outlet of the spiral groove body, and the lower end of the discharge hopper is welded on a guide chute of the lower belt conveyor.

In the technical scheme, the material level meter is arranged at the top of the spiral groove body and used for monitoring the internal feeding condition.

The beneficial effect of adopting the further scheme is that: and feeding back to the program control system to perform adjustment operation in time when the material level is abnormal under extreme conditions.

Compared with the prior art, the invention has the beneficial effects that: by combining the principles of volumetric feeding and weight feeding and utilizing the space isolation mode to realize two conveying principles on one device, the feeding device has the capacity of large opening anti-blocking and upper bin pressure resistance, is pressure-resistant and stable in feeding, and can be used in the environments such as silos and the like with materials easily blocked or high pressure.

Drawings

Fig. 1 is a schematic structural diagram of the activation compound feeder of the invention.

Fig. 2 is a top view of the activation compound feeder of the present invention.

Fig. 3 is a side view of the activation compound feeder of the present invention.

Wherein: 1-1 of an upper feeding hopper, 1-2 of a lower receiving belt conveyor, 2 of a feeding hopper, 3 of an upper flexible connection, 4 of an activation body, 5 of an activation cone, 6 of a vibration motor, 7 of an excitation body, 8 of an excitation spring group, 9 of a vibration isolation spring group, 10 of a lower flexible connection, 11 of a spiral groove body, 12 of a spiral shaft, 13 of a driving system, 14 of a variable frequency adjusting system, 15 of a discharge hopper, 16 of an equipment support.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the present invention, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly as understood by those skilled in the art, and may be, for example, fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 3, an embodiment of the present invention provides an activation compound feeder, which includes a feeding hopper 2, an upper flexible connection 3, an activation body 4, an activation cone 5, a vibration motor 6, an excitation body 7, an excitation spring set 8, a vibration isolation spring set 9, a lower flexible connection 10, a spiral groove 11, a spiral shaft 12, a driving system 13, a variable frequency adjusting system 14, a discharging hopper 15, and an equipment support 16; the feeding hopper 2 is welded on an outlet of the feeding hopper at the upper part, the lower part of the feeding hopper is inserted into the activation body 4, the feeding hopper 2 and the activation body 4 are sealed through an upper flexible connection 3, the lower part of the activation body 4 is inserted into the spiral groove body 11 and is sealed through a lower flexible connection 10, a discharging hopper 15 is further arranged at the lower part of the spiral groove body 11, the upper end of the discharging hopper 15 is welded on an outlet of the spiral groove body 11, and the lower end of the discharging hopper is welded on a guide chute of a belt conveyor at; an activation cone 5 is arranged in the activation body 4, the bottom of the activation body 4 is supported on the upper edge of a spiral groove body 11 through a shock insulation spring group 9, one side of the outer part of the activation body is connected with an excitation body 7 through an excitation spring group 8, and a vibration motor 6 is arranged on the excitation body 7; the spiral shaft 12 penetrates through the interior of the spiral groove body 11, one side of the exterior of the spiral shaft is connected with the driving system 13, the spiral groove body 11 is arranged on the equipment support 16 and arranged across the belt conveyor, and the equipment support 16 is arranged on the hardened ground; the vibration motor 6 and the drive system 13 are remotely or locally regulated by a variable frequency regulation system 14.

In the above embodiment, after the installation is completed, under the condition that the heavy load bears the pressure of the bin, the feed hopper 2 needs to be inserted into the activation body by 70-80mm, and the activation body 4 needs to be inserted into the spiral groove body by 70-80 mm; under the no-load condition, the feeding hopper 2 needs to be obviously inserted into the activation body 4, and the activation body 4 needs to be obviously inserted into the spiral groove body 11 and cannot be separated.

In the above-described embodiment, the distance between the insertion of the feed hopper 2 and the periphery of the activating body 4 is kept between 15 and 30mm during rest, and the distance between the insertion of the activating body 4 and the periphery of the spiral groove 11 is kept between 15 and 30 mm.

In the above embodiment, the feed hopper 2, the activating body 4 and the spiral groove 11 all maintain the same center of symmetry.

In the above embodiment, the feed hopper 1, the activating body 4 and the spiral groove 11 are flange press-sealed by the upper flexible joint 3 and the lower flexible joint 10.

In the above embodiments, the upper flexible joint 3 and the lower flexible joint 10 are made of flexible flame-retardant wear-resistant materials.

In the above embodiment, the screw shaft 12 is provided with two sections of screw blades, and the rotation directions are opposite.

In the above embodiment, the driving system 13 and the exciting body 7 are respectively disposed on two sides of the activating body 4, and the arrangement on the same side is not adopted as much as possible.

In the above embodiment, the driving system 13 is a speed reduction motor.

In the above embodiment, the frequency conversion adjusting system 14 at least includes two frequency converters, and the vibration motor 6 and the driving system 13 are respectively adjusted by using different frequencies.

In the above embodiment, a plurality of sets of screw shafts 12 are arranged in the screw groove body 11 and conveyed in parallel.

In the above embodiment, a level indicator is provided at the top of the spiral groove 11 for monitoring the internal feeding condition.

Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

The embodiments of the present invention are not limited to the above-mentioned embodiments, and may be combined with each other according to the technical features of the claims, and the above-mentioned embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention.

Claims

1. An activation compound feeder, characterized by: the device comprises a feed hopper, an upper flexible connection, an activation body, an activation cone, a vibration motor, an excitation body, an excitation spring group, a vibration isolation spring group, a lower flexible connection, a spiral groove body, a spiral shaft, a driving system, a variable frequency adjusting system, a discharge hopper and an equipment support; the feeding hopper is welded on an outlet of the feeding hopper at the upper part, the lower part of the feeding hopper is inserted into the activation body, the feeding hopper and the activation body are sealed through upper flexible connection, the lower part of the activation body is inserted into the spiral groove body and is sealed through lower flexible connection, the lower part of the spiral groove body is connected with the discharging hopper, and the discharging hopper is fixed on a guide chute of the belt conveyor at the lower part; an activation cone is arranged in the activation body, the bottom of the activation body is supported on the upper edge of the spiral groove body through a shock insulation spring group, one side of the outer part of the activation body is connected with an excitation body through an excitation spring group, and a vibration motor is arranged on the excitation body; the spiral shaft penetrates through the spiral groove body to be arranged, one side of the outer part of the spiral shaft is connected with a driving system, the spiral groove body is arranged on an equipment support and arranged across the belt conveyor, and the equipment support is arranged on hardened ground; the vibration motor and the driving system are remotely or locally regulated by a variable frequency regulation system.

2. An activated compound feeder according to claim 1, characterized in that: after the installation is finished, under the condition that the heavy load bears bin pressure, the feed hopper needs to be inserted into the activation body by 70-80mm, and the activation body needs to be inserted into the spiral groove body by 70-80 mm; under the no-load condition, the feeder hopper needs to keep obviously inserting the activation body, and the activation body needs to keep obviously inserting the spiral groove body, can not deviate from.

3. An activated compound feeder according to claim 1, characterized in that: during the static period, the distance between the insertion position of the feed hopper and the periphery of the activation body is kept between 15 and 30mm, and the distance between the insertion position of the activation body and the periphery of the spiral groove body is kept between 15 and 30 mm.

4. An activated compound feeder according to claim 1, characterized in that: the feeder hopper, activation body and spiral groove body all keep the symmetry center unanimous.

5. An activated compound feeder according to claim 1, characterized in that: the feed hopper, the activation body and the spiral groove body are in flange pressing sealing through upper soft connection and lower soft connection.

6. An activated compound feeder according to claim 1 or 5, characterized in that: the upper flexible connection and the lower flexible connection are made of flexible flame-retardant wear-resistant materials.

7. An activated compound feeder according to claim 1, characterized in that: the spiral shaft is provided with two sections of spiral blades, and the spiral directions are opposite.

8. An activated compound feeder according to claim 1, characterized in that: the driving system and the exciting body are respectively arranged on two sides of the activation body, and are not arranged on the same side.

9. An activated compound feeder according to claim 1 or 8, characterized in that: the driving system is a speed reducing motor.

10. An activated compound feeder according to claim 1, characterized in that: the frequency conversion adjusting system at least comprises two frequency converters, and different frequencies are respectively adopted for adjusting the vibration motor and the driving system.

11. An activated compound feeder according to claim 1, characterized in that: and a plurality of sets of spiral shafts are arranged in the spiral groove body and are conveyed in parallel.

12. An activated compound feeder according to claim 1, characterized in that: the spiral groove body lower part still is equipped with out the hopper, go out hopper upper end welding and export at the spiral groove body, the lower extreme welding is on the baffle box of lower part belt feeder.

13. An activated compound feeder according to claim 1, characterized in that: and a material level meter is arranged at the top of the spiral groove body and used for monitoring the internal feeding condition.