CN218130567U - Alloy bag dust collector of high-efficient dust removal - Google Patents
Alloy bag dust collector of high-efficient dust removal Download PDFInfo
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- CN218130567U CN218130567U CN202222295795.6U CN202222295795U CN218130567U CN 218130567 U CN218130567 U CN 218130567U CN 202222295795 U CN202222295795 U CN 202222295795U CN 218130567 U CN218130567 U CN 218130567U
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Abstract
The utility model discloses an alloy filter bag dust remover for high-efficiency dust removal, which belongs to the technical field of dust removers and comprises a cylinder body, a top cover and an ash bucket, wherein a baffle and a flow equalizing plate are fixedly arranged in the cylinder body; the cavity between the baffle plate and the ash bucket is an air inlet cavity, the cavity between the baffle plate and the top cover is an air outlet cavity, an air inlet is arranged on the air inlet cavity, and an air outlet is arranged on the air outlet cavity; a plurality of rows of filter bags for filtering dust in the waste gas are arranged in the air inlet cavity, and outlets of the filter bags are fixedly arranged on the baffle; the device is also provided with a blowing device which is used for introducing nitrogen into the filter bag and blowing the filter bag back; the number of the flow equalizing plates is at least two, the flow equalizing plates are used for uniformly dispersing the waste gas in the gas inlet cavity, the flow equalizing plates are obliquely arranged and sequentially reduce along the direction far away from the gas inlet, and the included angle between the flow equalizing plates and the cross section of the cylinder body is an acute angle. The utility model discloses can be with the even distribution of waste gas to the barrel in, can not cause the excessive gathering dust of partly filter bag, improve filterable efficiency, the security performance is high, and saving equipment cost is applicable to the waste gas dust removal of converter steelmaking.
Description
Technical Field
The utility model belongs to the technical field of the dust remover, a alloy sack cleaner is related to, specifically speaking is an alloy sack cleaner of high-efficient dust removal.
Background
With the increasing of the national atmospheric pollution control in recent years, the emission standard of the LT dry dedusting technology can not meet the new standard when the waste gas discharged by converter steelmaking is purified. The dust remover among the prior art lets in waste gas in being equipped with the cavity of filter bag, through the dust in the filter bag filtration waste gas, and the dust on the rethread blowback device clearance filter bag, and the shortcoming of this kind of mode is: (1) Waste gas entering from the air inlet moves upwards firstly, dust is fully collected outside the filter bag close to the air inlet, so that uneven dust collection is caused outside the filter bag in the cavity, when the back-blowing filter bag is cleaned, the filter bag is cleaned regularly or after most of the filter bag is fully filled with dust, and the back-blowing cleaning cannot be carried out timely, so that the dust removal efficiency is reduced; (2) During the back flushing cleaning, static electricity is generated by adopting the cloth bag, and the cloth bag cannot conduct electricity, so that explosion is easily caused.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing an alloy bag dust remover that high efficiency removed dust to reach the waste gas of evenly distributed air inlet, improve dust collection efficiency, the purpose that prevents the explosion.
In order to achieve the above object, the utility model adopts the following technical scheme:
an alloy bag dust collector capable of efficiently removing dust comprises a barrel, a top cover arranged at one end of the barrel and an ash bucket arranged at the other end of the barrel, wherein a baffle and a flow homogenizing plate are fixedly arranged in the barrel;
a cavity between the baffle plate and the ash bucket is an air inlet cavity, a cavity between the baffle plate and the top cover is an air outlet cavity, an air inlet is formed in the air inlet cavity, and an air outlet is formed in the air outlet cavity; a plurality of rows of filter bags for filtering dust in the waste gas are arranged in the air inlet cavity, and outlets of the filter bags are fixedly arranged on the baffle plate, so that the outlets of the filter bags are positioned in the air outlet cavity; a blowing device which is used for introducing nitrogen into the filter bag and blowing the filter bag back;
the flow equalizing plates are at least two and are arranged in the air inlet cavity and used for uniformly dispersing the waste gas in the air inlet cavity, the flow equalizing plates are obliquely arranged and are sequentially reduced along the direction far away from the air inlet, and the included angle between the flow equalizing plates and the cross section of the cylinder body is an acute angle.
As to the utility model limit: the positions of the flow equalizing plates correspond to those of the air inlets, and three flow equalizing plates are arranged in parallel at intervals.
As a further limitation to the present invention: the included angle between the uniform flow plate and the section of the cylinder body is 40-60 degrees.
As another limitation to the present invention: the filter bag is a chrome-nickel alloy filter bag.
As to the utility model limit: two adjacent rows of filter bags are arranged in a staggered manner.
As a further limitation to the present invention: the top cover is fixedly provided with a diffusing pipe.
As to the third limitation of the present invention: the top cover is detachably connected with the cylinder through a flange.
Since the technical scheme is used, compared with the prior art, the utility model, the beneficial effect who gains lies in:
(1) The flow equalizing plate of the utility model can evenly disperse the waste gas entering from the air inlet into the air inlet cavity, so that the waste gas filtered by the filter bags at all positions in the cylinder body has little deviation, thereby preventing excessive dust on some filter bags and improving the filtering efficiency under the condition that back flushing cleaning can not be carried out in time; the flow equalizing plates which are sequentially lowered cannot be blocked by the flow equalizing plates close to the air inlet, so that the flow equalizing effect is further improved;
(2) The flow equalizing plates are obliquely arranged, so that a better flow guiding and equalizing effect can be achieved, dust can not be blocked when falling down, and the three flow equalizing plates are matched to more uniformly distribute waste gas in the air inlet cavity;
(3) The filter bag of the chromium-nickel alloy filter bag can conduct electricity, can not generate static electricity in the process of filtering waste gas, can prevent explosion, has higher safety, adopts staggered arrangement, and can contain more 15 percent of filter bags compared with the common filter bag which is regularly arranged in a rectangular way, thereby reducing the volume of equipment and saving the cost of the equipment;
(4) The pressure safety performance in the adjustable cylinder body of the diffusing pipe of the utility model is higher;
(5) The utility model discloses the top cap can be dismantled with the barrel and be connected, is convenient for change the filter bag.
To sum up, the utility model discloses can not cause the excessive gathering dust of some filter bags with the even distribution of waste gas in the barrel, improve filterable efficiency, the security performance is high, practices thrift equipment cost, is applicable to the waste gas dust removal of converter steelmaking.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a perspective schematic structural view of an embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view A-A of FIG. 1.
In the figure: 1-cylinder, 1.1-air inlet cavity, 1.2-air outlet cavity, 2-top cover, 3-flange, 4-ash bucket, 5-diffusing pipe, 6-baffle, 7-filter bag, 8-blowing device, 8.1-exhaust pipe, 8.2-air pump, 9-uniform flow plate, 10-air inlet, 11-air outlet.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the dust-removing alloy bag-type dust collector described herein is a preferred embodiment, which is only used for illustrating and explaining the present invention, and should not be construed as limiting the present invention.
Embodiment alloy bag dust collector capable of efficiently collecting dust
As shown in fig. 1, the present embodiment includes a cylinder 1, a top cover 2 and an ash bucket 4, the top cover 2 is detachably disposed above the cylinder 1 through a flange 3, the ash bucket 4 is fixedly disposed below the cylinder 1, and the ash bucket 4 is a cone for discharging filtered dust. The top cover 2 is fixedly provided with a diffusing pipe 5 which can adjust the pressure in the cylinder 1 and discharge the gas in the cylinder 1 when necessary.
The inner wall of the barrel body 1 is fixedly provided with a baffle 6, and the baffle 6 divides the barrel body 1 into two cavities which are not communicated with each other. The cavity between the baffle 6 and the ash bucket 4 is an air inlet cavity 1.1, the cavity between the baffle 6 and the top cover 2 is an air outlet cavity 1.2, an air inlet 10 is arranged on the air inlet cavity 1.1, an air outlet 11 is arranged on the air outlet cavity 1.2, and a valve is arranged on the air outlet 11. As shown in fig. 2, filter bags 7 for filtering dust in exhaust gas are arranged in the air inlet cavity 1.1, the filter bags 7 of this embodiment are arranged in multiple rows, and the filter bags 7 of two adjacent rows are arranged in a staggered manner. In order to improve the safety, the filter bag 7 is made of a chromium-nickel alloy filter bag 7. The outlet of the filter bag 7 is fixedly arranged on the baffle 6, so that the outlet of the filter bag 7 is positioned in the exhaust cavity 1.2.
The barrel 1 is provided with a blowing device 8 which is used for blowing nitrogen into the filter bag 7 and used for back blowing the filter bag 7, the blowing device 8 comprises an exhaust pipe 8.1 and an air pump 8.2, the exhaust pipe 8.1 extends into the exhaust cavity 1.2 from the outside of the barrel 1, a valve is arranged on the exhaust pipe 8.1 positioned outside the barrel 1, the exhaust pipe is connected with the air pump 8.2 through a pipeline, the nitrogen is introduced into the exhaust pipe 8.1, the nitrogen does not contain oxygen, and the oxygen and the coal gas cannot be mixed to generate explosion.
Three flow equalizing plates 9 are fixedly arranged on the inner wall of the cylinder body 1 of the air inlet cavity 1.1, the three flow equalizing plates 9 are arranged in parallel at intervals, and are sequentially reduced along the direction far away from the air inlet 10 and are closer to the ash bucket 4. The three uniform flow plates 9 are obliquely arranged, and form acute included angles with the cross section of the cylinder 1, such as an angle α in fig. 1, where the angle α may be 40 °, 50 °, and 60 °, and the included angle in this embodiment is 50 °. The flow equalizing plates 9 which are sequentially lowered and obliquely arranged can enable waste gas entering from the gas inlet 10 to sequentially pass through the three flow equalizing plates 9 and be respectively guided to positions above the three flow equalizing plates 9, so that the waste gas is uniformly dispersed in the gas inlet cavity 1.1, the amount of the waste gas filtered by each filter bag 7 is basically the same, the filter bags 7 at certain positions cannot gather excessive dust, and the filtering efficiency is improved.
When the exhaust purification device is used, exhaust gas to be purified is introduced into the air inlet 10, the exhaust gas is sequentially dispersed above each flow equalizing plate 9 under the action of the flow equalizing plates 9, when the exhaust gas in the air inlet cavity 1.1 reaches a certain pressure, the exhaust gas passes through the filter bag 7, dust in the exhaust gas is blocked on the outer wall of the filter bag 7, and the purified exhaust gas is discharged to the exhaust cavity 1.2 from the filter bag 7 and is discharged from the air outlet 11, so that the purification of the exhaust gas is realized. When the filter bag 7 is cleaned by back flushing, the valve on the air outlet 11 is closed, the blowing device 8 is opened, nitrogen in the air pump 8.2 enters the exhaust cavity 1.2 through the exhaust pipe 8.1, when the exhaust cavity 1.2 reaches a certain pressure, the nitrogen enters the filter bag 7, dust attached to the outer wall of the filter bag 7 is blown down and then enters the air inlet cavity 1.1, the effect of cleaning the filter bag 7 by back flushing is realized, and the blown-down dust falls down from the dust hopper 4.
It should be noted that, although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made to the above embodiments or some features of the embodiments. 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 (7)
1. The utility model provides an alloy bag dust collector of high-efficient dust removal, includes the barrel, locates the top cap of barrel one end and locates the ash bucket of the barrel other end, its characterized in that: a baffle plate and a flow equalizing plate are fixedly arranged in the cylinder body;
a cavity between the baffle plate and the ash bucket is an air inlet cavity, a cavity between the baffle plate and the top cover is an air outlet cavity, an air inlet is formed in the air inlet cavity, and an air outlet is formed in the air outlet cavity; a plurality of rows of filter bags for filtering dust in the waste gas are arranged in the air inlet cavity, and outlets of the filter bags are fixedly arranged on the baffle plate, so that the outlets of the filter bags are positioned in the air outlet cavity; a blowing device which is used for introducing nitrogen into the filter bag and blowing the filter bag back;
the flow equalizing plates are at least two and are arranged in the air inlet cavity and used for uniformly dispersing the waste gas in the air inlet cavity, the flow equalizing plates are obliquely arranged and are sequentially reduced along the direction far away from the air inlet, and the included angle between the flow equalizing plates and the cross section of the cylinder body is an acute angle.
2. The alloy filter bag dust remover for removing dust efficiently of claim 1, which is characterized in that: the positions of the flow equalizing plates correspond to those of the air inlets, and three flow equalizing plates are arranged in parallel at intervals.
3. The alloy bag dust collector with high-efficiency dust collection of claim 2, which is characterized in that: the included angle between the uniform flow plate and the cross section of the cylinder body is 40-60 degrees.
4. The alloy filter bag dust remover for removing dust efficiently according to any one of claims 1-3, characterized in that: the filter bag is a chrome-nickel alloy filter bag.
5. The alloy filter bag dust remover for removing dust efficiently of claim 4, which is characterized in that: two adjacent rows of filter bags are arranged in a staggered manner.
6. The alloy filter bag dust remover for removing dust efficiently of claim 5, which is characterized in that: the top cover is fixedly provided with a diffusing pipe.
7. The alloy filter bag dust remover for removing dust efficiently of any one of claims 1-3, 5 and 6, which is characterized in that: the top cover is detachably connected with the cylinder through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295795.6U CN218130567U (en) | 2022-08-30 | 2022-08-30 | Alloy bag dust collector of high-efficient dust removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295795.6U CN218130567U (en) | 2022-08-30 | 2022-08-30 | Alloy bag dust collector of high-efficient dust removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218130567U true CN218130567U (en) | 2022-12-27 |
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ID=84557560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222295795.6U Active CN218130567U (en) | 2022-08-30 | 2022-08-30 | Alloy bag dust collector of high-efficient dust removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218130567U (en) |
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2022
- 2022-08-30 CN CN202222295795.6U patent/CN218130567U/en active Active
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