CN212214914U - Deashing jetting device of pulse bag type dust collector - Google Patents
Deashing jetting device of pulse bag type dust collector Download PDFInfo
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- CN212214914U CN212214914U CN202020347156.8U CN202020347156U CN212214914U CN 212214914 U CN212214914 U CN 212214914U CN 202020347156 U CN202020347156 U CN 202020347156U CN 212214914 U CN212214914 U CN 212214914U
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Abstract
The utility model relates to the technical field of dust cleaning of dust collectors, in particular to a dust cleaning and blowing device of a pulse bag type dust collector, which comprises an electromagnetic pulse valve, a blowing pipe, a drainage pipe, a venturi tube and a guide cylinder; the injection pipe is horizontally arranged, an outlet of the electromagnetic pulse valve is communicated with one port of the injection pipe, and the other port of the injection pipe is closed; the drainage tube is vertically fixed at the bottom of the blowing tube, and the upper port of the drainage tube is communicated with the bottom of the blowing tube; the upper port of the venturi is connected with the lower port of the drainage tube and the upper port of the venturi and the lower port of the drainage tube are coaxially arranged; the upper port of the guide cylinder is communicated with the lower port of the venturi; and the diameters of the drainage tube, the venturi tube and the guide cylinder are sequentially increased. The utility model discloses a jetting device can carry out induced disturbance many times to pulse compression gas to arouse the shake of filter bag high frequency, reach the purpose of cleaing away the deposition.
Description
Technical Field
The utility model relates to a dust remover deashing technical field especially relates to a deashing jetting device of pulse bag collector.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information constitutes prior art that is already known to a person of ordinary skill in the art.
With the rapid development of modern industry and the increasing awareness of environmental protection, bag-type dust collectors are widely used in the industrial field. The bag type dust collector is a dry dust filter, and its structure mainly consists of upper box body, middle box body, lower box body (ash hopper), ash cleaning system and ash discharging mechanism. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, and the dust-containing gas is filtered by utilizing the filtering action of the fiber fabric. However, when the bag type dust collector operates, the resistance will continuously rise along with the accumulation of dust on the filter bag, and the filter bag needs to be cleaned to a certain degree. The economic operation of the bag type dust collector is directly influenced by the quality of the dust cleaning effect, and the operation resistance of the bag type dust collector is increased to cause the waste of energy sources if the dust cleaning effect is not good. The service life of the filter bag is influenced by reducing the running resistance of the bag type dust collector by adopting a frequent ash removal method.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a deashing jetting device of pulse bag collector. The utility model discloses a jetting device can carry out induced disturbance many times to pulse compression gas to arouse the shake of filter bag high frequency, reach the purpose of cleaing away the deposition. In order to achieve the above object, the utility model discloses a technical means do:
an ash cleaning and blowing device of a pulse bag type dust collector comprises an electromagnetic pulse valve, a blowing pipe, a drainage pipe, a venturi and a guide cylinder. The injection pipe is horizontally arranged, an outlet of the electromagnetic pulse valve is communicated with one port of the injection pipe, and the other port of the injection pipe is closed. The drainage tube is vertically fixed at the bottom of the blowing tube, and the upper port of the drainage tube is communicated with the bottom of the blowing tube. The upper port of the venturi is connected with the lower port of the drainage tube and the upper port and the lower port of the drainage tube are coaxially arranged. The upper port of the guide cylinder is communicated with the lower port of the venturi; and the diameters of the drainage tube, the venturi tube and the guide cylinder are sequentially increased.
Furthermore, the bottom of the injection pipe is provided with the same number of flow guide holes as the drainage pipes, and the drainage pipes and the flow guide holes are coaxially arranged, so that the induction effect on the air flow is ensured.
Furthermore, the diameter of the diversion hole is controlled to be between 8mm and 17 mm. The blowing effect of the air flow can be influenced by the size of the aperture.
Further, the drainage tube is welded at the position of the flow guide hole of the blowing pipe, so that the gas passing through the flow guide hole is induced and disturbed to flow vertically and downwards.
Furthermore, the other end of the blowing pipe is sealed through a blocking plate, so that the blowing gas leakage is avoided from influencing the ash removal effect.
Further, the device also comprises a compressed air storage device so as to provide compressed air for the blowing device.
Further, the compressed air storage device is connected with an electromagnetic pulse valve. The electromagnetic pulse valve sends high-pressure air flow used for cleaning dust into the filter bag, and the filter bag rapidly swells and strongly shakes to shake off dust on the outer side of the filter bag, so that the purpose of cleaning dust is achieved.
Furthermore, the device also comprises a pulse bag type dust collector, and a filter bag opening of the pulse bag type dust collector is connected with the lower port of the guide cylinder. The gas can induce the surrounding gas to flow downwards through the guide cylinder after passing through the venturi tube and then enter the filter bag of the pulse bag type dust collector; and the guide cylinder can also play a role in protecting the filter bag.
Furthermore, the distance between the upper port of the guide cylinder and the filter bag opening is 20-35 mm, and the excessive force can weaken the air flow and influence the blowing and spraying effect.
Furthermore, the drainage tube, the venturi tube, the guide cylinder and the filter bag opening are coaxially arranged.
Compared with the prior art, the utility model discloses the beneficial effect in several aspects below having at least: when the pulse ash removal is carried out, compressed gas enters the blowing pipe after being disturbed for the first time through the electromagnetic pulse valve, enters the drainage pipe through the induction of the drainage hole to realize the second disturbance, then enters the venturi pipe to realize the third disturbance, and induces surrounding gas to enter the guide cylinder together after being accelerated under the action of the venturi pipe, the fourth disturbance is caused due to the sudden increase of the diameter, and finally the high-frequency vibration of the filter bag caused by the entering of the filter bag achieves the purpose of removing accumulated ash. The utility model discloses a be used for pulse bag collector with drainage tube, venturi tube, draft tube, carry out many times induction to blowing jet, played the total volume of blowing that increases the electromagnetic pulse air current and strengthened the effect of air current disturbance frequency.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of an ash cleaning and blowing device of a pulse bag type dust collector in the embodiment of the present invention.
Fig. 2 is an enlarged view of the horizontally arranged blowing pipe and the position of the flow guide hole in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a venturi according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the draft tube in the embodiment of the present invention.
The labels in the figures represent: 1-electromagnetic pulse valve, 2-blowing pipe, 3-drainage pipe, 4-venturi, 5-guide cylinder and 6-guide hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate that the device or element referred to in the present application is constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention, since they are merely intended to be oriented in the upper, lower, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the invention and to simplify the description.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As mentioned above, the economic operation of the bag-type dust collector is directly affected by the quality of the ash removal effect, and the operation resistance of the bag-type dust collector is increased due to the poor ash removal effect, which causes the waste of energy. The service life of the filter bag is influenced by reducing the running resistance of the bag type dust collector by adopting a frequent ash removal method. Therefore, the utility model provides an ash cleaning and blowing device of a pulse bag type dust collector; the invention will now be further described with reference to the drawings and the detailed description.
Referring to fig. 1 to 4, there is illustrated an ash cleaning blowing device of a pulse bag type dust collector, including: the device comprises an electromagnetic pulse valve 1, an injection pipe 2, a drainage pipe 3, a venturi 4 and a guide cylinder 5. The outlet of the electromagnetic pulse valve 1 is communicated with one port of the blowing pipe 2. The injection pipe 2 is horizontally arranged, eight flow guide holes 6 are formed in the bottom of the injection pipe 2 and correspond to the eight drainage pipes 3, the upper end openings of the drainage pipes 3 are vertically welded at the flow guide holes in the bottom of the injection pipe, and the drainage pipes 3 and the flow guide holes 6 are coaxially arranged. The upper port of the venturi tube 4 is connected with the lower port of the drainage tube 3 and the venturi tube and the drainage tube are coaxially arranged. The upper port of the guide cylinder 5 is communicated with the lower port of the venturi tube 4; and the diameters of the drainage tube 3, the venturi tube 4 and the guide cylinder 5 are sequentially increased.
It is understood that, on the basis of the above embodiments, the following technical solutions including but not limited to the following may be derived to solve different technical problems and achieve different purposes of the invention, and specific examples are as follows:
further, the blowing and spraying effect of the airflow can be influenced by the overlarge or undersize aperture of the flow guide hole 6. Therefore, the diameter of the diversion hole 6 is preferably controlled between 8mm and 17 mm. In some embodiments, the diameters of the diversion holes 6 are 8mm, 10mm, 15mm, and 17mm, respectively. Because the aperture is too small, the air flow is easily blocked from flowing into the drainage tube 3, and the first disturbance effect of the electromagnetic pulse valve 1 on the air flow is weakened; the excessive hole diameter is easy to cause instantaneous diffusion of the airflow, and the first disturbance effect of the electromagnetic pulse valve 1 on the airflow is also weakened.
Further, in some embodiments, the other end of the blowing pipe 2 is closed by a blocking plate, and the blocking plate is welded on the port of the blowing pipe 2, so as to prevent the blowing gas from leaking to affect the ash removal effect.
Further, in some embodiments, the device further comprises a compressed air storage device and a pulse bag type dust collector. The compressed air storage device is connected to the electromagnetic pulse valve 1. The filter bag opening of the pulse bag type dust collector is connected with the lower port of the guide flow cylinder 5, the distance between the upper port of the guide flow cylinder 5 and the filter bag opening is 20mm, and the drainage tube 3, the venturi tube 4, the guide flow cylinder 5 and the filter bag opening are coaxially arranged. When the pulse dust removal is carried out, compressed gas passes through a compressed air storage device, is subjected to first disturbance through an electromagnetic pulse valve and then enters a blowing pipe, enters a drainage pipe through the induction of a drainage hole to realize second disturbance, then enters a venturi pipe to realize third disturbance, accelerates under the action of the venturi pipe, induces surrounding gas to enter a guide cylinder together, causes fourth disturbance due to sudden increase of the diameter, and finally enters a filter bag to cause high-frequency shaking of the filter bag to achieve the purpose of removing accumulated dust. The utility model discloses a be used for pulse bag collector with drainage tube, venturi tube, draft tube, carry out many times induction to blowing jet, played the total volume of blowing that increases the electromagnetic pulse air current and strengthened the effect of air current disturbance frequency. Through testing, the blowing and spraying device can improve the efficiency of removing the deposited dust by more than 66%.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An ash cleaning and blowing device of a pulse bag type dust collector is characterized by comprising an electromagnetic pulse valve, a blowing pipe, a drainage pipe, a venturi tube and a guide cylinder; the injection pipe is horizontally arranged, an outlet of the electromagnetic pulse valve is communicated with one port of the injection pipe, and the other port of the injection pipe is closed; the drainage tube is vertically fixed at the bottom of the blowing tube, and the upper port of the drainage tube is communicated with the bottom of the blowing tube; the upper port of the venturi is connected with the lower port of the drainage tube and the upper port of the venturi and the lower port of the drainage tube are coaxially arranged; the upper port of the guide cylinder is communicated with the lower port of the venturi; and the diameters of the drainage tube, the venturi tube and the guide cylinder are sequentially increased.
2. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 1, wherein the bottom of the blowing pipe is provided with the same number of flow guide holes as the number of the drainage pipes.
3. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 2, wherein the diameter of the flow guide hole is controlled to be between 8mm and 17 mm.
4. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 2, wherein said draft tube is welded at the orifice of the blowing tube.
5. The ash removal blowing device of the pulse bag house as claimed in claim 1, wherein the other end of said blowing pipe is closed by a shutter.
6. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in any one of claims 1 to 5, further comprising a compressed air storage device.
7. The ash removal blowing device of the pulse bag type dust collector as claimed in claim 6, wherein the compressed air storage device is connected to an electromagnetic pulse valve.
8. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 6, further comprising a pulse bag type dust collector, wherein the filter bag opening of the pulse bag type dust collector is connected with the lower port of the guide shell.
9. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 8, wherein the distance between the upper port of the guide shell and the filter bag opening is between 20mm and 35 mm.
10. The ash cleaning and blowing device of the pulse bag type dust collector as claimed in claim 8, wherein the draft tube, the venturi tube, the draft tube and the filter bag port are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020347156.8U CN212214914U (en) | 2020-03-18 | 2020-03-18 | Deashing jetting device of pulse bag type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020347156.8U CN212214914U (en) | 2020-03-18 | 2020-03-18 | Deashing jetting device of pulse bag type dust collector |
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| CN212214914U true CN212214914U (en) | 2020-12-25 |
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| CN202020347156.8U Active CN212214914U (en) | 2020-03-18 | 2020-03-18 | Deashing jetting device of pulse bag type dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259805A (en) * | 2021-12-27 | 2022-04-01 | 江苏东方滤袋股份有限公司 | Improved efficient dust removal filter bag |
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2020
- 2020-03-18 CN CN202020347156.8U patent/CN212214914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259805A (en) * | 2021-12-27 | 2022-04-01 | 江苏东方滤袋股份有限公司 | Improved efficient dust removal filter bag |
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