CN211051680U - A feeding elephant trunk for selection powder machine - Google Patents

Abstract

The utility model relates to the field of feeding devices, in particular to a feeding chute for a powder concentrator; the funnel comprises a chute inlet, a chute pipe body, a chute outlet, a funnel, a filter pipe and a supporting piece, wherein the flared end of the funnel is fixedly arranged on the chute inlet, and the funnel is provided with leakage holes at intervals in the circumferential direction; the filter pipe is inserted in the chute body, a cavity is formed between the filter pipe and the inner surface of the chute body, the top of the filter pipe is fixedly connected with the narrow-mouth end of the funnel, and filter holes are formed in the circumference of the filter pipe body at intervals; and two ends of the supporting piece are respectively fixedly connected with the inner surface of the chute body and the outer surface of the filter pipe. The utility model aims at solving the problem that the feeding elephant trunk has more materials and different sizes, which leads to the blockage of the feeding elephant trunk and influences the production efficiency.

Description

A feeding elephant trunk for selection powder machine

Technical Field

The utility model relates to a feed arrangement field, concretely relates to a feeding elephant trunk for selection powder machine.

Background

The powder concentrator is widely applied to coal mills, raw material discharge drying mills and cement mill systems in novel dry cement production lines. The existing powder concentrator is fed through a feeding chute, and the feeding chute aims to guide materials to enter the powder concentrator.

In the prior art, for example, a vertical roller mill blanking chute disclosed in chinese publication No. CN205887124U includes an outer chute and an inner chute, where the outer chute includes an outer blanking cone at the upper part and an outer blanking straight tube connected to the outer blanking cone; the two ends of the inner chute are in communicated open design; comprises an inner blanking cone and an inner blanking straight cylinder at the lower part of the inner blanking cone; the inner chute is positioned in the outer blanking straight cylinder, and the inner blanking cone is positioned on the side of the outer blanking cone; the inner chute is connected with the blanking straight cylinder through rib plates with radial centers.

In the prior art, the materials sliding downwards through the blanking pipe fall in the central area of the grinding disc under the action of the inner straight pipe, and the newly fed materials can be uniformly distributed on the grinding disc under the action of the centrifugal force of the grinding machine, so that each grinding roller can be ensured to be capable of uniformly biting the fed materials. However, the existing materials include limestone, clay and iron powder, and when passing through the feeding chute, the materials are more and different in size, and the temperature distribution difference of the materials in the feeding chute is large, so that the materials are easily bonded, the sectional area of material circulation is reduced, the blockage of the feeding chute is easily caused, equipment is required to be stopped for manual treatment, and the production efficiency is further influenced.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a feeding elephant trunk for selection powder machine to the material that solves in the feeding elephant trunk is many, and the variation in size leads to the jam of feeding elephant trunk, influences production efficiency's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a feeding chute for a powder concentrator comprises a chute inlet, a chute pipe body, a chute outlet, a funnel, a filter pipe and a support piece, wherein the flared end of the funnel is fixedly arranged on the chute inlet, and the funnel is circumferentially provided with leakage holes at intervals; the filter pipe is inserted in the chute pipe body, a cavity is formed between the filter pipe and the inner surface of the chute pipe body, the top of the filter pipe is fixedly connected with the narrow-mouth end of the funnel, and filter holes are formed in the pipe body of the filter pipe at intervals in the circumferential direction; and two ends of the supporting piece are respectively fixedly connected with the inner surface of the chute body and the outer surface of the filter pipe.

When the technical scheme is adopted, after materials enter the chute body from the chute inlet, the materials firstly slide into the hopper, the leakage holes screen the materials, and the powder or the small-size materials pass through the leakage holes and enter the cavity of the chute body to be conveyed; secondly, the bulky material enters the filter pipe and is conveyed through the filter pipe, the filter holes filter dust carried by the bulky material, and the support piece supports the filter pipe to avoid shaking of the bulky material, so that the filter pipe is prevented from shaking; thereby make small material and bulky material carry respectively in the elephant trunk body, avoid when carrying that bulky material and small material produce each other and mix, produce the bonding, arouse the jam of elephant trunk.

Furthermore, the inner surface of the chute body is provided with a trapezoidal groove, and the notch of the trapezoidal groove is opposite to the filtering hole; the support piece comprises a movable plate, a support pipe, an air bag, a push plate and a support rod, wherein the movable plate is hinged to the inner surface of the filter pipe, the bottom end of the movable plate can cover the filter hole, two ends of the support pipe are respectively and fixedly installed on the outer surfaces of the bottom of the trapezoidal groove and the filter pipe, the pipe orifice of the support pipe is opposite to the filter hole, a through hole communicated with the trapezoidal groove is formed in the inner pipe surface of the support pipe, the air bag is installed in the trapezoidal groove and extends into the support pipe through the through hole, the push plate covers the notch of the trapezoidal groove and is fixedly connected with the air bag, the support rod is inserted into the support pipe in a sliding mode, and two ends of the support rod are respectively and fixedly connected with the air.

Through the dovetail groove, the fly leaf, the stay tube, the gasbag, the setting of push pedal and branch, when bulky material enters into the filter tube, bulky material extrudees the fly leaf, make the fly leaf paste the filtration pore, the fly leaf promotes branch simultaneously, branch extrusion gasbag, make the gasbag in the stay tube reduce, the gasbag in the dovetail groove outside the stay tube props greatly, thereby the dovetail groove is kept away from to the drive push pedal, and then promote small material through the push pedal, avoid small material to adhere to the internal surface at the elephant trunk body, thereby produce and block up.

Further, support piece still includes the shielding cloth, the bottom fixed mounting of shielding cloth just centers on the internal surface of filter tube the filtration pore setting, the top fixed mounting of shielding cloth is in the edge of fly leaf.

The setting of sheltering from cloth avoids bulky dust to remain in the below of fly leaf, also avoids the dust to enter into the stay tube simultaneously to influence the activity of fly leaf and branch.

Further, the support piece further comprises elastic cloth, the elastic cloth is fixedly connected with the notch of the trapezoidal groove, and the elastic cloth covers the push plate.

The arrangement of the elastic cloth prevents small-sized materials from entering the trapezoidal groove and blocking and rubbing the air bag.

Further, the elephant trunk body is provided with an overhaul channel.

The elephant trunk can be conveniently maintained through the maintenance channel.

The beneficial effect that this scheme produced is: 1. through the setting of funnel, filter tube and support piece, the small opening in the funnel makes bulky material and small material screen, and the cavity between rethread filter tube and the elephant trunk body carries small material, carries bulky material in the filter tube, and then realizes when carrying the material, and bulky material and small material can not produce each other and mix, places and produces the bonding, arouses the jam of elephant trunk to improve production efficiency.

2. Through the setting of dovetail groove, fly leaf, stay tube, gasbag, push pedal and branch, bulky material promotes the fly leaf when carrying the whereabouts to make the gasbag promote the push pedal, promote small material through the push pedal, avoid small material to adhere to the internal surface at the elephant trunk body, thereby produce the jam.

Drawings

Fig. 1 is a side sectional view of a feeding chute for a powder concentrator of the present invention.

Fig. 2 is a front sectional view of a feeding chute for a powder concentrator of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a chute inlet 1, a chute body 2, a trapezoidal groove 21, an inspection channel 22, a chute outlet 3, a funnel 4, a leak hole 41, a filter pipe 5, a filter hole 51, a support piece 6, a movable plate 61, a support pipe 62, an air bag 63, a push plate 64, a support rod 65, shielding cloth 66 and elastic cloth 67.

As shown in figures 1-3, a feeding chute for a powder concentrator comprises a chute inlet 1, a chute body 2 and a chute outlet 3, a funnel 4, a filter tube 5 and a support member 6. As shown in fig. 1 and 2, the chute inlet 1 is above the chute body 2 and the chute outlet 3 is directly below the chute body 2; in this embodiment, the chute body 2 is provided with the maintenance channel 22, and the chute can be conveniently maintained in time and in a necessary manner through the maintenance channel 22. The flaring end of the funnel 4 is fixedly arranged on the inlet 1 of the chute, and the funnel 4 is provided with leakage holes 41 at intervals in the circumferential direction; the filter pipe 5 is inserted in the chute pipe body, a cavity is formed between the filter pipe 5 and the inner surface of the chute pipe body 2, the top of the filter pipe 5 is fixedly connected with the narrow-mouth end of the funnel 4, and filter holes 51 are formed in the pipe body of the filter pipe 5 at intervals in the circumferential direction; the left end and the right end of the support piece 6 are respectively fixedly connected with the inner surface of the chute body 2 and the outer surface of the filter pipe 5.

After materials enter the chute body 2 from the chute inlet 1, the materials firstly slide into the funnel 4, the leakage hole 41 screens the materials, and the powder or the materials with small volume pass through the leakage hole 41 and enter the cavity of the chute body 2 for conveying; secondly, the bulky material enters the filter pipe 5 and is conveyed through the filter pipe 5, the filter holes 51 filter dust carried by the bulky material, and the support piece 6 supports the filter pipe 5 to avoid shaking of the bulky material, so that the filter pipe 5 is prevented from shaking; thereby make small material and bulky material carry respectively in elephant trunk body 2, avoid when carrying that bulky material and small material produce each other and mix, produce the bonding, arouse the jam of elephant trunk.

In order to further avoid the occurrence of blockage in the chute body 2, in the present embodiment, as shown in fig. 1 and 3, the inner surface of the chute body 2 is further provided with a trapezoidal groove 21, and the notch of the trapezoidal groove 21 is opposite to the filtering hole 51; the support member 6 comprises a movable plate 61, a support tube 62, an air bag 63, a push plate 64, a support rod 65, shielding cloth 66 and elastic cloth 67, the movable plate 61 is hinged to the inner surface of the filter tube 5, the bottom end of the movable plate 61 can cover the filter hole 51, the left end and the right end of the support tube 62 are respectively and fixedly installed on the groove bottom of the trapezoidal groove 21 and the outer surface of the filter tube 5, the pipe orifice of the support tube 62 is opposite to the filter hole 51, a through hole communicated with the trapezoidal groove 21 is formed in the inner pipe surface of the support tube 62, the air bag 63 is installed in the trapezoidal groove 21 and extends into the support tube 62, the push plate 64 covers the notch of the trapezoidal groove 21 and is fixedly connected with the air bag 63, the support rod 65 is slidably inserted into the support tube 62, and the two ends of the.

The bottom end of the shielding cloth 66 is fixedly installed on the inner surface of the filtering pipe 5 and is arranged around the filtering hole 51, and the top end of the shielding cloth 66 is fixedly installed on the edge of the movable plate 61. Due to the arrangement of the shielding cloth 66, the dust with large volume is prevented from remaining below the movable plate 61, and meanwhile, the dust is prevented from entering the supporting tube 62, so that the movement of the movable plate 61 and the supporting rod 65 is influenced. The elastic cloth 67 is fixedly connected with the notch of the trapezoidal groove 21, and the elastic cloth 67 covers the push plate 64. The elastic cloth 67 prevents small-sized materials from entering the trapezoidal groove 21 and generating blocking and friction on the air bag 63.

Through dovetail groove 21, fly leaf 61, support tube 62, gasbag 63, push pedal 64 and branch 65's setting, when bulky material enters into filter tube 5, bulky material extrudees fly leaf 61, make fly leaf 61 paste filter hole 51, fly leaf 61 promotes branch 65 simultaneously, branch 65 extrudees gasbag 63, make gasbag 63 in the support tube 62 reduce, gasbag 63 in the outer dovetail groove 21 of support tube 62 props greatly, thereby drive push pedal 64 and keep away from dovetail groove 21, and then promote small material through push pedal 64, avoid small material to adhere to the internal surface at elephant trunk body 2, thereby produce and block up.

Above technical scheme, through funnel 4, filter tube 5 and support piece 6's setting, the small opening 41 in funnel 4 makes bulky material and small material screen, the small material is carried to the cavity between rethread filter tube 5 and the elephant trunk body 2, carry bulky material in the filter tube 5, and then realize when carrying the material, bulky material and small material can not produce each other and mix, place and produce the bonding, arouse the jam of elephant trunk, thereby improve production efficiency.

It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting 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 (5)

1. The utility model provides a feeding elephant trunk for selection powder machine, includes elephant trunk import, elephant trunk body and elephant trunk export, its characterized in that: the funnel is characterized by further comprising a funnel, a filter pipe and a supporting piece, wherein the flared end of the funnel is fixedly arranged on the inlet of the chute, and the funnel is provided with leakage holes at intervals in the circumferential direction;

the filter pipe is inserted in the chute pipe body, a cavity is formed between the filter pipe and the inner surface of the chute pipe body, the top of the filter pipe is fixedly connected with the narrow-mouth end of the funnel, and filter holes are formed in the pipe body of the filter pipe at intervals in the circumferential direction;

and two ends of the supporting piece are respectively fixedly connected with the inner surface of the chute body and the outer surface of the filter pipe.

2. The feed chute for a powder concentrator as claimed in claim 1, wherein: the inner surface of the chute body is provided with a trapezoidal groove, and the notch of the trapezoidal groove is opposite to the filtering hole;

the support piece comprises a movable plate, a support pipe, an air bag, a push plate and a support rod, wherein the movable plate is hinged to the inner surface of the filter pipe, the bottom end of the movable plate can cover the filter hole, two ends of the support pipe are respectively and fixedly installed on the outer surfaces of the bottom of the trapezoidal groove and the filter pipe, the pipe orifice of the support pipe is opposite to the filter hole, a through hole communicated with the trapezoidal groove is formed in the inner pipe surface of the support pipe, the air bag is installed in the trapezoidal groove and extends into the support pipe through the through hole, the push plate covers the notch of the trapezoidal groove and is fixedly connected with the air bag, the support rod is inserted into the support pipe in a sliding mode, and two ends of the support rod are respectively and fixedly connected with the air.

3. The feed chute for a powder concentrator as claimed in claim 2, wherein: the support piece further comprises shielding cloth, the bottom end of the shielding cloth is fixedly installed on the inner surface of the filtering pipe and surrounds the filtering holes, and the top end of the shielding cloth is fixedly installed at the edge of the movable plate.

4. A feed chute for a powder concentrator as claimed in claim 3, wherein: the support piece further comprises elastic cloth, the elastic cloth is fixedly connected with the notch of the trapezoidal groove, and the elastic cloth covers the push plate.

5. The feed chute for a powder concentrator as claimed in claim 4, wherein: the elephant trunk body is provided with an overhaul channel.

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