CN214680640U - Bag collector of online control - Google Patents
Bag collector of online control Download PDFInfo
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- CN214680640U CN214680640U CN202120575236.3U CN202120575236U CN214680640U CN 214680640 U CN214680640 U CN 214680640U CN 202120575236 U CN202120575236 U CN 202120575236U CN 214680640 U CN214680640 U CN 214680640U
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- pitot tube
- total pressure
- bag
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Abstract
The utility model relates to a dust remover technical field, concretely relates to bag collector of online control. The online monitoring device comprises a bag type dust collector body and an online monitoring device, wherein the online monitoring device comprises a travelling mechanism, a lifting mechanism, a clamping mechanism, a pitot tube, a rubber tube and an electronic micro-manometer; running gear installs in the last box of dust remover, the last elevating system that installs of running gear, the elevating system end is fixed with fixture, fixture is last to fix the pitot tube, and the one end of pitot tube is passed through the rubber tube and is connected to the electron micromanometer, the electron micromanometer is connected with the control system of dust remover, the utility model discloses with the help of the pitot tube principle of measuring, measure the total pressure and the static pressure of sack export to calculate the wind speed in sack exit, whether can real-time supervision sack have damage or jam, accurate reliable.
Description
Technical Field
The utility model relates to a dust remover technical field, concretely relates to bag collector of online control.
Background
The bag-type dust remover is a dust removing device which is commonly applied at present. The working principle of the bag type dust collector is as follows: the bin of the dust collector is divided into an upper layer and a lower layer, the middle layer is separated by a steel plate, a plurality of holes are formed in the middle steel plate, a cloth bag is inserted into each hole, a cage is arranged in each cloth bag, an inlet (negative pressure side) of a dust collection fan is connected with the upper layer of the dust collector during operation, a dust collection pipeline is connected with the lower layer of the dust collector, dust contained in air with dust sucked from the dust collection pipeline enters the upper layer through the cloth bag and is filtered out by the cloth bag, and clean air is discharged into the atmosphere through the upper layer of the dust collector by the dust collection fan. In order to prevent the cloth bag from being blocked by dust, a back-blowing pipeline is arranged above the cloth bag, compressed air pulse is periodically introduced, and the dust outside the cloth bag is blown down into the lower-layer dust bin under the action of a wind hammer. Although the dust removal cloth bag has a back flushing measure, part of the cloth bag is blocked due to various reasons such as air humidity and the like after a long time, the dust removal effect is reduced, at the moment, the upper bin cover needs to be opened manually, each cloth bag is checked one by one, and the cloth bag is required to be replaced when the blockage is found. The problems of the method are as follows: firstly, the machine needs to be stopped to open the bin cover for inspection, so that the production is influenced; secondly, the quantity of the cloth bags is large, so that the labor capacity is large; thirdly, the manual visual inspection efficiency is low, and the accuracy is also poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the prior art lacks an effective method for detecting whether a cloth bag is blocked, and provides a bag type dust collector with online monitoring.
The utility model is realized by the following technical proposal, an online monitoring bag type dust collector comprises a bag type dust collector body and an online monitoring device, wherein the online monitoring device comprises a walking mechanism, a lifting mechanism, a clamping mechanism, a pitot tube, a rubber tube and an electronic micro-manometer;
the travelling mechanism is arranged in an upper box body of the dust remover, and a travelling trolley is arranged on the travelling mechanism and can move transversely or longitudinally in the upper box body;
the travelling trolley is provided with a lifting mechanism facing downwards, the tail end of the lifting mechanism is fixedly provided with a clamping mechanism, and the lifting mechanism can stretch out and draw back to enable the clamping mechanism to move up and down;
a pitot tube is fixed on the clamping mechanism, the pitot tube is L-shaped, the pitot tube is formed by welding an inner tube and an outer tube in a sleeved mode, a total pressure cavity is formed inside the inner tube, a static pressure cavity is formed in an interlayer of the inner tube and the outer tube, a total pressure hole is formed in one end of the total pressure cavity, the diameter of the total pressure hole is 0.3 times of the outer diameter of the outer tube, a plurality of static pressure holes are uniformly formed in the outer tube at a position 8 times of the outer tube diameter away from the total pressure hole along the circumference, the static pressure holes are communicated with the static pressure cavity, the diameter of the static pressure hole is 0.1 times of the outer tube outer diameter, one ends, far away from the total pressure hole, of the total pressure cavity and the static pressure cavity are connected to an electronic micro-manometer through rubber tubes, and the electronic micro-manometer is connected with a control system of a dust remover;
the total pressure hole faces to the direction of gas flow and is inserted into the bag opening, and when the lifting mechanism is shortened, the pitot tube can move to the upper part of the cloth bag.
In the scheme, during measurement, the cross section of the total pressure hole is vertical to the flow direction of the airflow, the static pressure hole is parallel to the airflow direction, and the total pressure h is measured by the total pressure holeGeneral assemblyThe latter measuring the static pressure hQuietThe difference between them is the dynamic pressure hMovable part，
hMovable part＝hGeneral assembly-hQuiet
To obtain hMovable partThen, from the relationship between the flow velocity and the dynamic pressure, the flow velocity of the gas can be obtained:
the gas flow rate ω can be determined.
Running gear and elevating system can drive the pitot tube and insert respectively in the cloth bag of difference, detect, if detect gas velocity of flow omega numerical value undersize, then this cloth bag probably blocks up.
Further, in order to ensure long-term effective operation of the pitot tube and reduce dust accumulation in the pitot tube, the rubber tube is also connected with a back blowing mechanism, and the back blowing mechanism can blow airflow into the pitot tube in a reverse direction so as to remove dust.
Further, in order to guarantee that the pitot tube effectively operates for a long time and reduce dust accumulation in the tube, still be equipped with the safety cover on the curb plate of last box, the safety cover is two and can rotates the seal structure of foling, has the aperture unanimous with the pitot tube external diameter on the die joint of top, and when on-line monitoring device stop work, the pitot tube removed safety cover department, and the safety cover folds and protects the pitot tube wherein.
Further, in order to ensure a long service life of the pitot tube, the pitot tube is made of stainless steel.
The utility model has the advantages that:
the utility model discloses with the help of the pitot tube principle of measuring, can drive the pitot tube through running gear and elevating system and insert the sack of difference respectively in, measure the total pressure and the static pressure of sack export, thereby calculate the wind speed in sack exit, if the sack takes place to block up, then the wind speed can be less than often straight, if take place to break the bag, then the wind speed can be higher than the constant value, when having realized the sack cleaner operation, the situation real time monitoring of sack, if the sack that can fix a position the problem fast takes place for the trouble, can change fast during the maintenance, the manpower is reduced, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an online monitoring bag-type dust collector of the present invention;
fig. 2 is a partially enlarged view of the pitot tube.
Fig. 3 is a sectional view taken along line a-a in fig. 1.
In the figure: 1, putting the box body on the box body; 2, a traveling mechanism; 21, a walking trolley; 3, a lifting mechanism; 4, a clamping mechanism; 5, a pitot tube; 51 an inner tube; 52 an outer tube; 53 total pressure chamber; 54 a hydrostatic chamber; 55 total pressure holes; 56 static pressure holes; 6, a rubber tube; 7, an electronic micro-manometer; 8, a cloth bag; 9, a back flushing mechanism; 10 protective cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an online monitoring bag-type dust collector comprises a bag-type dust collector body and an online monitoring device, wherein the online monitoring device comprises a travelling mechanism 2, a lifting mechanism 3, a clamping mechanism 4, a pitot tube 5, a rubber tube 6 and an electronic micro-pressure meter 7;
the travelling mechanism 2 is arranged in the upper box body 1 of the dust remover, and the travelling trolley 21 is arranged on the travelling mechanism 2 and can transversely or longitudinally move in the upper box body 1;
the travelling trolley 21 is provided with a lifting mechanism 3 facing downwards, the tail end of the lifting mechanism 3 is fixedly provided with a clamping mechanism 4, and the lifting mechanism 3 can stretch and retract to enable the clamping mechanism 4 to move up and down;
a pitot tube 5 is fixed on the clamping mechanism 4, the pitot tube 5 is L-shaped, the pitot tube 5 is formed by sleeving and welding an inner tube 51 and an outer tube 52, a total pressure cavity 53 is formed inside the inner tube 51, a static pressure cavity 54 is formed in an interlayer of the inner tube 51 and the outer tube 52, a total pressure hole 55 is formed in one end of the total pressure cavity 53, the diameter of the total pressure hole 55 is 0.3 time of the outer diameter of the outer tube 52, a plurality of static pressure holes 56 are uniformly formed in the outer tube 52 at a position which is 558 times of the diameter of the outer tube 52 along the circumference, the static pressure holes 56 are communicated with the static pressure cavity 54, the diameter of the static pressure holes 56 is 0.1 time of the outer diameter of the outer tube 52, one ends of the total pressure cavity 53 and the static pressure cavity 54 far from the total pressure hole 55 are connected to an electronic micro-manometer 7 through rubber tubes 6, and the electronic micro-manometer 7 is connected with a control system of a dust remover;
the total pressure hole 55 faces the direction opposite to the gas flow and is inserted into the mouth of the cloth bag 8, and when the lifting mechanism 3 is shortened, the pitot tube 5 can move to the upper part of the cloth bag 8.
In the scheme, during measurement, the cross section of the total pressure hole is vertical to the flow direction of the airflow, the static pressure hole is parallel to the airflow direction, and the total pressure h is measured by the total pressure holeGeneral assemblyThe latter measuring the static pressure hQuietThe difference between them is the dynamic pressure hMovable part，
hMovable part＝hGeneral assembly-hQuiet
To obtain hMovable partThen, from the relationship between the flow velocity and the dynamic pressure, the flow velocity of the gas can be obtained:
the gas flow rate ω can be determined.
The walking mechanism 2 and the lifting mechanism 3 can drive the pitot tubes to be respectively inserted into different cloth bags 8 for detection, and if the gas flow rate omega value is detected to be too small, the cloth bag 8 can be blocked.
In practical application, in order to ensure long-term effective operation of the pitot tube 5 and reduce dust accumulation in the tube, the rubber tube 6 is also connected with a back blowing mechanism 9, and the back blowing mechanism 9 can blow airflow into the pitot tube 5 in a reverse direction to remove dust.
In practical application, in order to guarantee that pitot tube 5 effectively operates for a long time, reduce dust accumulation in the pipe, still be equipped with safety cover 10 on the curb plate of last box 1, safety cover 10 is two fans can rotate the seal structure of foling, has the aperture unanimous with pitot tube 5 external diameter on the die joint of top, and when on-line monitoring device stop work, pitot tube 5 removed safety cover 10 department, and safety cover 10 folds and protects pitot tube 5 wherein.
In practical application, in order to ensure a long service life of the pitot tube 5, the pitot tube 5 is made of stainless steel.
The utility model discloses a theory of operation:
the utility model discloses with the help of pitot tube measurement principle, can drive the pitot tube through running gear and elevating system and insert different sack 8 respectively, record the wind speed in 8 exits of sack, if sack 8 takes place to block up, then the wind speed can be less than often straight, if take place to break the bag, then the wind speed can be higher than the constant, when having realized the operation to 8 dust collectors of sack, the situation real time monitoring of sack 8, if the trouble can fix a position the sack 8 that has a problem fast, can change fast during the maintenance, the manpower has been reduced, and the work efficiency is improved.
To sum up, a bag collector of online control, whether can real-time supervision sack 8 have damage or jam, it is accurate reliable.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (4)
1. The utility model provides a bag collector of online control which characterized in that: the online monitoring device comprises a bag type dust collector body and an online monitoring device, wherein the online monitoring device comprises a travelling mechanism (2), a lifting mechanism (3), a clamping mechanism (4), a pitot tube (5), a rubber tube (6) and an electronic micro-pressure meter (7);
the travelling mechanism (2) is arranged in an upper box body (1) of the dust remover, and a travelling trolley (21) is arranged on the travelling mechanism (2) and can transversely or longitudinally move in the upper box body (1);
the travelling trolley (21) is provided with a lifting mechanism (3) facing downwards, the tail end of the lifting mechanism (3) is fixedly provided with a clamping mechanism (4), and the lifting mechanism (3) can stretch to enable the clamping mechanism (4) to move up and down;
a pitot tube (5) is fixed on the clamping mechanism (4), the pitot tube (5) is L-shaped, the pitot tube (5) is formed by sleeving and welding an inner tube (51) and an outer tube (52), a total pressure cavity (53) is formed inside the inner tube (51), a static pressure cavity (54) is formed in an interlayer of the inner tube (51) and the outer tube (52), a total pressure hole (55) is formed in one end of the total pressure cavity (53), the diameter of the total pressure hole (55) is 0.3 times of the outer diameter of the outer tube (52), a plurality of static pressure holes (56) are uniformly formed in the outer tube (52) at a position 8 times of the diameter of the outer tube (52) from the total pressure hole (55) along the circumference, the static pressure holes (56) are communicated with the static pressure cavity (54), the diameter of the static pressure hole (56) is 0.1 time of the outer diameter of the outer tube (52), and one ends, far away from the total pressure hole (55), of the total pressure cavity (53) and the static pressure cavity (54) are connected to an electronic micro-pressure meter (7) through a rubber tube (6), the electronic micro-pressure meter (7) is connected with a control system of the dust remover;
the total pressure hole (55) faces to the direction opposite to the gas flow and is inserted into the opening of the cloth bag (8), and when the lifting mechanism (3) is shortened, the pitot tube (5) can move to the position above the cloth bag (8).
2. An on-line monitored bag house according to claim 1, wherein: the rubber tube (6) is also connected with a back blowing mechanism (9), and the back blowing mechanism (9) can blow airflow into the pitot tube (5) in a reverse direction to remove dust.
3. An on-line monitoring bag-type dust collector as claimed in claim 1 or 2, characterized in that: go up still be equipped with safety cover (10) on the curb plate of box (1), safety cover (10) are two fans and can rotate the seal structure of foling, have the aperture unanimous with pitot tube (5) external diameter on the die joint of top, and when on-line monitoring device stop work, pitot tube (5) remove safety cover (10) department, and safety cover (10) are foling and are protected pitot tube (5) wherein.
4. An on-line monitored bag house according to claim 3, wherein: the pitot tube (5) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575236.3U CN214680640U (en) | 2021-03-19 | 2021-03-19 | Bag collector of online control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575236.3U CN214680640U (en) | 2021-03-19 | 2021-03-19 | Bag collector of online control |
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| Publication Number | Publication Date |
|---|---|
| CN214680640U true CN214680640U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120575236.3U Active CN214680640U (en) | 2021-03-19 | 2021-03-19 | Bag collector of online control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432797A (en) * | 2022-04-08 | 2022-05-06 | 中冶节能环保有限责任公司 | Straight-through type intelligent bag type dust removal system and working method thereof |
| CN115054998A (en) * | 2022-07-25 | 2022-09-16 | 广东新氧器净化科技有限公司 | Small-sized circulating system filter dust collector |
-
2021
- 2021-03-19 CN CN202120575236.3U patent/CN214680640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432797A (en) * | 2022-04-08 | 2022-05-06 | 中冶节能环保有限责任公司 | Straight-through type intelligent bag type dust removal system and working method thereof |
| CN115054998A (en) * | 2022-07-25 | 2022-09-16 | 广东新氧器净化科技有限公司 | Small-sized circulating system filter dust collector |
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