CN215797252U - Tail ash removal device for totally-enclosed belt conveyor - Google Patents
Tail ash removal device for totally-enclosed belt conveyor Download PDFInfo
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- CN215797252U CN215797252U CN202121971456.4U CN202121971456U CN215797252U CN 215797252 U CN215797252 U CN 215797252U CN 202121971456 U CN202121971456 U CN 202121971456U CN 215797252 U CN215797252 U CN 215797252U
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Abstract
The utility model discloses a tail ash removal device for a fully-closed belt conveyor, which comprises a dust collection unit, a dust collection unit and a dust removal unit, wherein the dust collection unit is communicated with the bottom wall of a shell at the tail part of the belt conveyor, an opening at the top of the dust collection unit is communicated with the belt conveyor, and a feed opening is formed in the lower part of the dust collection unit; the dust exhaust unit comprises a first dust exhaust pipe, a vacuum amplifier and a second dust exhaust pipe which are sequentially communicated, the first dust exhaust pipe is communicated with the feed opening, and an outlet of the second dust exhaust pipe is positioned in the inner cavity of the belt conveyor and above the belt moving range; the air inlet of the vacuum amplifier is communicated with a compressed air source, the negative pressure end of the vacuum amplifier is communicated with the first dust exhaust pipe, and the amplification end of the vacuum amplifier is communicated with the second dust exhaust pipe. According to the utility model, the dust collection unit is arranged at the tail part of the totally-closed belt conveyor, fine powder falling off due to belt shaking or vibration falls into the dust collection unit below, and the fine powder in the dust collection unit is pumped to the belt of the belt conveyor to move by using the negative pressure generated by the vacuum amplifier, so that automatic dust removal of the tail part shell is realized, a tail part cover plate does not need to be disassembled, and time and labor are saved.
Description
Technical Field
The utility model relates to a dust removing technology of a belt conveyor, in particular to a tail dust removing device for a fully-closed belt conveyor.
Background
In the practice of bulk conveying of a belt conveyor (namely a belt conveyor), part of fine powder often remains on the surface of the belt, the falling of the fine powder is difficult to avoid in the return stroke of the belt, the falling fine powder not only pollutes the environment and causes waste, but also increases the cleaning workload of workers, and particularly, more dust falls from the tail part of the inclined belt conveyor; in addition, dust such as fine powder in the materials also causes the dust to fly randomly in the transportation process, pollutes the environment and is harmful to human health.
In order to solve the problems, some enterprises have developed various totally-enclosed belt conveyors, such as an air cushion belt conveyor and a totally-enclosed single-carrier roller belt conveyor. The full-closed belt conveyors are fully closed in the forward stroke and the backward stroke, the ash removal scraper blade is arranged at the head of the full-closed belt conveyors, the ash removal return plate is arranged at the tail of the full-closed belt conveyors, and the ash removal scraper blade is used for removing ash on the conveying surface of the backward stroke belt conveyors; the tail part is provided with a squirrel cage type tail wheel, the tail wheel is provided with a material turning plate, and fine powder or dust falling from the tail wheel is turned to the belt moving range again by the material turning plate and moves to the discharging end along with the material, so that clean production is realized.
However, when the belt rotates to the conveying process around the tail wheel by the return stroke, the belt inevitably shakes or vibrates due to the reversing, so that a small amount of fine powder attached to the belt falls on the shell corresponding to the belt, the tail of the belt conveyor accumulates a large amount of fine powder due to long-time operation of the belt conveyor, the belt conveyor can be cleaned only after a tail cover plate is disassembled after the belt is stopped, and the cleaning difficulty is large because the space between the belt and the tail shell is small.
Disclosure of Invention
In view of the above, the utility model provides a tail ash removal device for a fully-closed belt conveyor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model relates to a tail ash cleaning device for a totally-enclosed belt conveyor, which comprises
The dust collection unit is communicated with the bottom wall of the shell at the tail part of the belt conveyor, an opening at the top of the dust collection unit is communicated with the inner cavity of the belt conveyor, and a feed opening is formed in the lower part of the dust collection unit; and
the dust exhaust unit comprises a first dust exhaust pipe, a vacuum amplifier and a second dust exhaust pipe which are sequentially communicated, the first dust exhaust pipe is communicated with the feed opening, and an outlet of the second dust exhaust pipe is positioned in an inner cavity of the belt conveyor and above a belt moving range;
the air inlet of the vacuum amplifier is communicated with a compressed air source, the negative pressure end of the vacuum amplifier is communicated with the first dust exhaust pipe, and the amplification end of the vacuum amplifier is communicated with the second dust exhaust pipe.
In a preferred embodiment of the present invention, the dust collecting unit includes at least two dust collecting hoppers arranged side by side on the bottom wall of the housing, and a dust discharging port is opened on the first dust discharging pipe at a position corresponding to the feed opening of each dust collecting hopper. More preferably, the areas of the dust exhaust ports are gradually reduced from one end of the dust exhaust port to the negative pressure end of the vacuum amplifier, so that fine powder in each dust collection hopper is conveyed into the inner cavity of the belt conveyor under the negative pressure formed by the vacuum amplifier and falls on the belt moving process, the fine powder moves to the discharge port of the head of the belt conveyor along with the material, and the fine powder is timely treated.
In a preferred embodiment of the present invention, the dust collecting unit is a dust collecting hopper communicated with the bottom wall of the housing, a dust discharging opening is formed in a pipe wall of the first dust discharging pipe at a position corresponding to the dust collecting hopper, and an area of the dust discharging opening is smaller than an area of a pipe orifice of the second dust discharging pipe.
In a preferred embodiment of the present invention, a first connecting flange is disposed at an upper opening edge of the dust collecting unit, a second connecting flange is disposed at an opening of a bottom wall of the housing, and the first connecting flange and the second connecting flange are fixedly connected together by bolts. The dust collection unit and the belt conveyor are connected through flanges, so that the dust collection device is simple and convenient to assemble and disassemble and convenient to maintain. Of course, welding or other connection means may be used in actual installation.
In a preferred embodiment of the present invention, an air supplement valve is disposed on the first dust exhaust pipe between the dust collection unit and the vacuum amplifier, so as to further ensure the circulation of the dust exhaust unit.
By adopting the technical scheme, the beneficial effects are as follows:
according to the utility model, the dust collection unit is arranged at the tail part of the totally-closed belt conveyor, fine powder falling off due to belt shaking or vibration falls into the dust collection unit below, and the negative pressure generated by the vacuum amplifier is utilized to pump the fine powder in the dust collection unit to the belt travel of the belt conveyor, so that the automatic dust removal of the tail part shell is realized, the tail part cover plate does not need to be disassembled, and the time and labor are saved; in the operation process of the belt conveyor, the cleaning time can be flexibly selected according to actual conditions, and the belt conveyor can be cleaned once, twice or three times a day, so that a large amount of dust accumulated in the dust collection unit can be avoided, the circulation of the first dust discharge pipe, the vacuum amplifier and the second dust discharge pipe can be ensured, and the normal operation of the dust discharge unit is further ensured.
The dust collection unit comprises one or more than two dust collection hoppers, and the number of the dust collection hoppers can be determined according to the installation space at the tail part so as to meet the installation requirements of different working conditions and further meet the transformation requirements of different belt conveyors. In addition, the dust exhaust unit also comprises an air supplement valve, and air can be supplemented to the first dust exhaust pipe by using the air supplement valve, so that the circulation of the dust exhaust unit is further ensured, and the blockage is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the utility model and are not to be construed as limiting all embodiments of the utility model.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
FIG. 2 is a top view of the dust collection bucket and first dust exhaust duct of FIG. 1.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a top view of the dust collection hopper and the first dust exhaust duct of fig. 3.
The names of the components corresponding to the corresponding reference numerals in the drawings are: 1-a belt conveyor; 1.1-bottom wall of the housing; 1.2-a delivery chamber; 2-a first dust exhaust pipe; 3-a vacuum amplifier; 4-a second dust exhaust pipe; 5-a compressed air source; 6-a first connecting flange; 7-dust collection hopper; 8-dust collecting port; 9-air supplement valve.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
Implementation mode one
As shown in figures 1-2, the tail ash removal device for the totally-enclosed belt conveyor comprises
The dust collection unit is communicated with the bottom wall 1.1 of the shell at the tail part of the belt conveyor 1, the upper part of the dust collection unit is communicated with the conveying chamber 1.2 of the belt conveyor 1, and the lower part of the dust collection unit is provided with a feed opening; and
the dust exhaust unit comprises a first dust exhaust pipe 2, a vacuum amplifier 3 and a second dust exhaust pipe 4 which are sequentially communicated, the first dust exhaust pipe 2 is communicated with the feed opening, the second dust exhaust pipe 4 is communicated with a conveying chamber 1.2 of the belt conveyor 1, and a discharge opening of the second dust exhaust pipe 4 is positioned above a belt forward stroke;
wherein, the air inlet of the vacuum amplifier 3 is communicated with an external air supply source 5 (compressed air tank), and the negative pressure end of the vacuum amplifier 3 is communicated with the first dust exhaust pipe 2 and the amplification end thereof is communicated with the second dust exhaust pipe 4.
During operation, compressed air enters the vacuum amplifier 3 through the air inlet, negative pressure is formed at the negative pressure end, fine powder falling into the first dust exhaust pipe 2 is pumped away by the negative pressure and is pumped to the belt of the belt conveyor 1, automatic dust cleaning of the dust collecting unit is achieved, a tail cover plate does not need to be manually disassembled, and dust cleaning difficulty is reduced.
During actual work, can clear up the belt feeder afterbody according to actual conditions (can be once a day, twice, cubic or quartic, also can be once every two days, specifically can carry out nimble selection according to material dust content), take away the farine in the unit that gathers dust, effectively avoid farine to pile up in a large number in first dust exhaust pipe 2 and arouse the dust exhaust unit to block up, effectively guarantee this afterbody ash removal device's normal operating. During actual installation, the electromagnetic valve is installed on the pipeline of the external air supply source 5, the PLC is used for controlling the electromagnetic valve to be opened periodically, periodic automatic ash removal is achieved, fine powder is effectively prevented from accumulating in the tail shell, and the operation stability of the dust removal unit is improved.
As shown in fig. 1-2, the dust collecting unit comprises a plurality of dust collecting hoppers 7 arranged on the bottom wall 1.1 of the housing side by side, the plurality of dust collecting hoppers 7 are arranged side by side, a first connecting flange 6 is welded on the upper opening edge of each dust collecting hopper 7, a second connecting flange is arranged at the bottom of the bottom wall 1.1 of the housing, the first connecting flange 6 and the second connecting flange are fixedly connected together through bolts, so that the fixed installation of the dust collecting hoppers 7 and the tail part of the belt conveyor 1 is realized, and the flange connection mode is simple and convenient to disassemble and assemble and is convenient to maintain; during actual installation, the dust collecting hopper 7 can be directly welded on the bottom wall 1.1 of the shell;
as shown in fig. 2, a dust discharge port 8 is formed on the first dust discharge pipe 2 corresponding to each dust collection hopper 7, so that fine powder in the dust collection hopper 7 can fall into the first dust discharge pipe 2 below; in order to ensure that the fine powder in each dust collecting hopper 7 is pumped away, the sectional areas of the dust discharge ports 8 are gradually reduced from left to right, and the sum of the sectional areas of the dust discharge ports 8 is smaller than the sectional area of the pipe orifice of the second dust discharge pipe, so that the negative pressure generated by the vacuum amplifier 3 can pump the air in each dust collecting hopper 7 to the belt of the belt conveyor 1, the fine powder is timely treated, and the fine powder accumulation is avoided.
As shown in fig. 1, an air supplement valve 9 is arranged on the first dust exhaust pipe 2 between the dust collection hopper 7 and the vacuum amplifier 3, and proper air is supplemented through the air supplement valve 9, so that the probability of blockage of the dust exhaust unit is further reduced.
In the operation process of the belt conveyor 1, the dust of the tail part of the belt conveyor 1 can be regularly cleaned, the external air supply source 5 can be manually opened during dust cleaning, the PLC can also be adopted to control the electromagnetic valve of the external air supply source 5 to realize the regular automatic dust cleaning, the regular dust cleaning of the tail part of the belt conveyor 1 is realized, the dust cleaning is simple, and the fine powder is effectively prevented from being accumulated on the tail part in a large amount. The specific ash removal process comprises the following steps: the external air supply source 5 (compressed air) is opened when the ash is periodically cleaned at each time, the compressed air rapidly enters the vacuum amplifier 3, one end of the vacuum amplifier 3 forms negative pressure, a small amount of fine powder in the first dust exhaust pipe 2 is pumped to the belt of the belt conveyor 1 to go, the fine powder is timely cleaned, machine faults caused by the fact that the fine powder is accumulated at the tail of the belt conveyor 1 are effectively avoided, and normal operation of the belt conveyor 1 is guaranteed.
Second embodiment
The present embodiment differs from the first embodiment in that: the number of the dust hoppers 7 is different. As shown in fig. 3-4, the dust exhaust unit in this embodiment has a dust collecting hopper 7 communicated with and disposed at the tail of the belt conveyor 1, a feed opening of the dust collecting hopper 7 is welded on the first dust exhaust pipe 2, and three dust exhaust openings 8 arranged at intervals are formed in the first dust exhaust pipe 2 (the number of the dust exhaust openings 8 can be flexibly adjusted according to actual conditions, and the size of the dust exhaust openings gradually decreases from one end far away from the first dust exhaust pipe to the first dust exhaust pipe), so that fine powder in the dust collecting hopper 7 can smoothly enter the first dust exhaust pipe 2 below, and further fine powder in the dust collecting hopper 7 is pumped to a belt to go, thereby realizing automatic ash removal, and being particularly suitable for belt conveyors with unlimited installation space.
It is noted that, in the description of the present invention, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, "upper", "lower", "left", "right", "front", and "rear", etc. are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not limitative of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made to the embodiments described in the foregoing without inventive faculty, or that equivalents may be substituted for elements thereof. Therefore, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a afterbody ash removal device for totally closed belt feeder which characterized in that: comprises that
The dust collection unit is communicated with the bottom wall of the shell at the tail part of the belt conveyor, an opening at the top of the dust collection unit is communicated with the inner cavity of the belt conveyor, and a feed opening is formed in the lower part of the dust collection unit; and
the dust exhaust unit comprises a first dust exhaust pipe, a vacuum amplifier and a second dust exhaust pipe which are sequentially communicated, the first dust exhaust pipe is communicated with the feed opening, and an outlet of the second dust exhaust pipe is positioned in an inner cavity of the belt conveyor and above a belt moving range;
the air inlet of the vacuum amplifier is communicated with a compressed air source, the negative pressure end of the vacuum amplifier is communicated with the first dust exhaust pipe, and the amplification end of the vacuum amplifier is communicated with the second dust exhaust pipe.
2. The tail ash removal device for the totally-enclosed belt conveyor as claimed in claim 1, which is characterized in that: the dust collection unit comprises at least two dust collection hoppers arranged on the bottom wall of the shell side by side, and a dust discharge port is formed in the first dust discharge pipe at the position corresponding to the feed port of each dust collection hopper.
3. The tail ash removal device for the totally-enclosed belt conveyor as claimed in claim 2, which is characterized in that: the areas of the dust exhaust ports are gradually reduced towards the negative pressure end of the vacuum amplifier.
4. The tail ash removal device for the totally-enclosed belt conveyor as claimed in claim 1, which is characterized in that: the dust collecting unit is a dust collecting hopper communicated with and arranged on the bottom wall of the shell, a dust discharging opening is formed in the pipe wall of the first dust discharging pipe at the position corresponding to the dust collecting hopper, and the area of the dust discharging opening is smaller than that of the pipe opening of the second dust discharging pipe.
5. The tail ash removal device for the totally-enclosed belt conveyor as claimed in claim 1, which is characterized in that: the dust collecting unit is characterized in that a first connecting flange is arranged at the edge of an upper opening of the dust collecting unit, a second connecting flange is arranged at the opening of the bottom wall of the shell, and the first connecting flange and the second connecting flange are fixedly connected together through bolts.
6. The tail ash removal device for the totally-enclosed belt conveyor as claimed in claim 1, which is characterized in that: and an air supplementing valve is arranged on the first dust exhaust pipe between the dust collection unit and the vacuum amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971456.4U CN215797252U (en) | 2021-08-21 | 2021-08-21 | Tail ash removal device for totally-enclosed belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971456.4U CN215797252U (en) | 2021-08-21 | 2021-08-21 | Tail ash removal device for totally-enclosed belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215797252U true CN215797252U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121971456.4U Active CN215797252U (en) | 2021-08-21 | 2021-08-21 | Tail ash removal device for totally-enclosed belt conveyor |
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|---|---|
| CN (1) | CN215797252U (en) |
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2021
- 2021-08-21 CN CN202121971456.4U patent/CN215797252U/en active Active
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