CN212491999U - Large-air-volume micro-dust collecting separator - Google Patents
Large-air-volume micro-dust collecting separator Download PDFInfo
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- CN212491999U CN212491999U CN202020993674.7U CN202020993674U CN212491999U CN 212491999 U CN212491999 U CN 212491999U CN 202020993674 U CN202020993674 U CN 202020993674U CN 212491999 U CN212491999 U CN 212491999U
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Abstract
The utility model relates to a large-air-volume micro-dust collecting separator, which comprises a dust removal chamber, an inlet flue gas distribution pipe, an outlet main pipe, an ash removal device, a drainage fan, an outlet off-line valve, a drainage fan open-close valve and an adjusting turning plate; the large-air-volume micro-dust collecting separator can quickly and efficiently collect the particulate matters in the large-air-volume micro-dust flue gas, and smoothly clean and transport the dust collected by the dust collector; the structure is simple, the safety is high, and energy conservation and consumption reduction are realized.
Description
Technical Field
The utility model relates to a dust entrapment separation purification technical field especially relates to a little dirt entrapment separator of big amount of wind.
Background
With the enhancement of environmental awareness of people, the environmental protection of the nation and the society is emphasized, the environmental protection requirements of various industries are more and more strict, and the production points which are easy to generate dust diffusion are gradually emphasized by people. Especially, in some places with small dust generating amount and large area, such as coke ovens, the oven doors at two sides of coke oven coke, riser gaps, oven top coal charging holes, observation holes and the like of a coke oven machine have long-term, small-amount, irregular, multi-source and accidental smoke overflow, and the smoke has little single point amount, but a plurality of outward escape points, is relatively dispersed and is very difficult to uniformly and effectively collect and process. Meanwhile, dust removal systems such as a coal charging system, a coke discharging system, a machine side system and a furnace end smoke dust removal system can not completely capture smoke dust overflowing in the coal charging and coke discharging processes of the coke oven, and certain limitations exist, so that the parts become important pollution sources for generating unorganized emission smoke dust.
The conventional bag type dust collector for the large-air-volume micro-dust flue gas is not suitable, because the large air volume needs the large filtering area of the bag type dust collector, the scale of a dust removal system is increased to meet the requirement of filtering air speed, and the dust removal device has the defects of large occupied area, high cost, low energy efficiency and the like. Meanwhile, the utilization rate of the ash conveying system is reduced because the ash conveying amount of the low-dust-content flue gas is less, and the ash conveying system needs 24 hours of uninterrupted operation, so that the energy consumption of the dust removal system is increased. Meanwhile, the control of the ash conveying system also increases the maintenance cost of the dust removal system and the control cost of the system.
At present, two common solutions are provided for the treatment and purification of the large-air-volume mote flue gas. Firstly, a conventional dust removal system is adopted, and as mentioned above, when the conventional dust removal system is used for treating the large-air-volume micro-dust flue gas, the conventional dust removal system has the disadvantages of large equipment occupation area, high cost, low energy efficiency and the like. Meanwhile, the dust concentration is low, the utilization rate of the ash conveying system is low, the energy consumption is increased, and the control on the ash conveying system also increases the maintenance cost of the whole dust removing system and the complexity of the system. Secondly, on the basis of adopting a conventional dust removal system, the dust removal and filtration wind speed is increased; however, increasing the filtration air velocity can result in emissions concentrations that do not meet standards, especially in circumstances where current environmental requirements are increasingly stringent. In addition, increasing the filtration air velocity also increases the resistance of the dust collector, which results in increased energy consumption and shortened filter bag life.
Disclosure of Invention
The utility model provides a large-air-volume micro-dust collecting separator which can collect the particulate matters in the large-air-volume micro-dust flue gas quickly and efficiently and can smoothly clean and transport the dust collected by the dust collector; the structure is simple, the safety is high, and energy conservation and consumption reduction are realized.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kind of high-air-volume micronic dust catches the segregator, including dust collection bin, inlet flue gas distributing pipe, air-out header pipe, ash cleaning apparatus, drainage fan, outlet off-line valve, drainage fan open and close valve and regulation turn over the board; the dust removal bin is arranged in parallel, a plurality of filter bags are arranged in each dust removal bin, and an ash removal device is arranged above each filter bag; the inlet flue gas distribution pipe is arranged at the bottom of the dust removal bin along the arrangement direction of the dust removal bins, a plurality of flue gas inlets are arranged at the top of the inlet flue gas distribution pipe and are connected with the bottoms of the dust removal bins in a one-to-one correspondence manner, and the flue gas inlets are respectively provided with an adjusting turning plate; one side of the lower part of the dust removing bin is provided with a drainage main pipe along the arrangement direction of the dust removing bin, one side of the drainage main pipe is correspondingly connected with the lower part of each dust removing bin one by one through a plurality of drainage branch pipes, and the drainage branch pipes are provided with drainage fan open and close valves; along the gas flowing direction, the tail end of the drainage main pipe is provided with a drainage fan; the dust removal storehouse is characterized in that an air outlet main pipe is arranged on one side of the upper portion of each dust removal storehouse along the arrangement direction of the dust removal storehouses, one side of the air outlet main pipe is connected with the upper portions of the dust removal storehouses in a one-to-one correspondence mode through a plurality of air outlet branch pipes, outlet offline valves are arranged on the air outlet branch pipes, and a main draught fan is arranged on the air outlet main pipe on the downstream of the dust removal storehouses along the gas flowing direction.
The dust removal bin is composed of a frame and a box body, the outside of the box body is supported by the frame, a plurality of filter cages are arranged in the box body, and filter bags are covered on the outer sides of the filter cages.
The dust cleaning device is a pulse dust cleaning device, is arranged at the top of the box body and is arranged in one-to-one correspondence with the filter bags; and a pulse electromagnetic valve is arranged on a blowing pipe in each pulse ash removal device.
The box is a square box, and a pressure relief diaphragm is arranged on the box.
The air outlet main pipe is composed of a plurality of pipe sections, and the diameter of each pipe section is gradually increased along the air flowing direction.
The large-air-volume micro-dust collecting separator also comprises a control system; the outlet off-line valve, the drainage fan on-off valve, the adjusting turning plate and the pulse electromagnetic valve are respectively connected with the control system.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the device of the utility model is suitable for the purification and separation of the smoke with large air quantity and tiny dust, is also suitable for the flammable and explosive smoke, and has wide application range;
2) the dust is in fluidization by combining with the reverse air flow, and the dense-phase dust gas obtained by mixing the dust falling after ash removal and the inlet flue gas is sent to a subsequent treatment system through a drainage fan, so that the size of the bag type dust removal device is greatly reduced, the occupied area and the investment cost are reduced, and the operation and maintenance cost is reduced;
3) the ash conveying system is greatly simplified, and the investment, the occupied area, the operation and maintenance, the energy consumption and other costs of the ash conveying device are reduced;
4) the equipment utilization rate of the dust removal system is higher, and the bottom of the dust removal chamber is not provided with the dust accumulation chamber, so that the height of the frame is reduced;
5) the bottom of the dust removal chamber is provided with an adjusting turning plate which is connected with the inlet flue gas distribution pipe, and compared with the scheme of adopting a flue gas inlet turning plate valve in a conventional dust removal system, the adjusting balance is better.
Drawings
Fig. 1 is a front view of the high-air-volume dust-collecting separator of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a view a-a in fig. 1.
In the figure: 1. dust removal bin 2, filter bag 3, inlet flue gas distribution pipe 4, air outlet main pipe 5, ash removal device 6, drainage fan 7, outlet off-line valve 8, drainage fan on-off valve 9, adjusting turning plate
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-4, the large-air-volume micro-dust collecting separator of the present invention comprises a dust-removing chamber 1, an inlet flue gas distribution pipe 3, an outlet main pipe 4, an ash-removing device 5, a drainage fan 6, an outlet off-line valve 7, a drainage fan open/close valve 8 and an adjusting turning plate 9; the dust removal bin 1 is arranged in parallel, a plurality of filter bags 2 are arranged in each dust removal bin 1, and a dust cleaning device 5 is arranged above each filter bag 2; the inlet flue gas distribution pipe 3 is arranged at the bottom of the dedusting chambers 1 along the arrangement direction of the dedusting chambers 1, a plurality of flue gas inlets are arranged at the top of the inlet flue gas distribution pipe 3 and are connected with the bottom of each dedusting chamber 1 in a one-to-one correspondence manner, and the flue gas inlets are respectively provided with an adjusting turning plate 9; one side of the lower part of the dedusting bin 1 is provided with a drainage main pipe along the arrangement direction of the dedusting bin 1, one side of the drainage main pipe is correspondingly connected with the lower part of each dedusting bin 1 one by one through a plurality of drainage branch pipes, and the drainage branch pipes are provided with drainage fan open and close valves 8; along the gas flowing direction, the tail end of the drainage main pipe is provided with a drainage fan; dust removal bin 1's upper portion one side is equipped with air-out house steward 4 along dust removal bin 1 array orientation, and one side of air-out house steward 4 links to each other with the upper portion of each dust removal bin 1 through a plurality of air-out branch pipes one-to-one, establishes export off-line valve 7 on the air-out branch pipe, along the gas flow direction, establishes main draught fan on the air-out house steward 4 of dust removal bin 1 low reaches.
The dust removal bin 1 is composed of a frame and a box body, the outside of the box body is supported by the frame, a plurality of filter cages are arranged in the box body, and the filter bags 2 cover the outer sides of the filter cages.
The ash removal device 5 is a pulse ash removal device, is arranged at the top of the box body and is arranged in one-to-one correspondence with the filter bags 2; and a pulse electromagnetic valve is arranged on a blowing pipe in each pulse ash removal device.
The box is a square box, and a pressure relief diaphragm is arranged on the box.
The air outlet main pipe 4 is composed of a plurality of pipe sections, and the diameter of each pipe section is gradually increased along the air flowing direction.
The large-air-volume micro-dust collecting separator also comprises a control system; the outlet off-line valve 7, the drainage fan on-off valve 8, the adjusting turning plate 9 and the pulse electromagnetic valve are respectively connected with the control system.
The working method of the large-air-volume micro-dust collecting separator is as follows: flue gas enters the inlet flue gas distribution pipe 3 from the main flue gas inlet, and is uniformly distributed to each dust removal chamber 1 through the adjusting turning plate 9; after entering the dust removal chamber 1, the flue gas collects and adheres dust to the filter bag 2 through the filtering and collecting effect of the filter bag 2; the filtered clean smoke enters an air outlet main pipe 4, is sucked and conveyed to a chimney through a main induced draft fan and then is discharged into the atmosphere; the dust collected by the filter bag 2 increases with the increase of the adhesive thickness, so that the pressure difference between the front and the back of the filter bag 2 gradually increases, when the pressure difference increases to a set value, the on-off valve 8 of the drainage fan corresponding to the dust removal chamber 1 is automatically started, the outlet off-line valve 7 corresponding to the dust removal chamber 1 is closed, and the filter bag 2 in the dust removal chamber 1 is subjected to pulse dust removal by the dust removal device 5; because the flue gas continuously enters the dust removal chamber 1, the dust falling after pulse ash removal is always fluidized, thereby avoiding sedimentation; the falling dust is mixed with the flue gas entering the dust removal chamber 1 and then enters a subsequent treatment system through the suction effect of a drainage fan; the pressure relief diaphragm arranged on the box body is used for protecting the device and realizing directional impact of shock waves during explosion.
In a large-air-volume micro-dust collecting separator, the functions of each component part are as follows:
the box and the frame constitute the basic frame of the dust removal chamber 1.
The filter bag 2 is a core device for trapping dust.
The inlet flue gas distribution pipe 3 is a connecting pipeline for distributing flue gas to each dust removal chamber 1.
The air outlet main pipe 4 is a connecting pipeline for collecting the purified flue gas of each dust removal chamber 1.
The dust cleaning device 5 is used for periodically cleaning dust collected on the filter bag 2, and is a device for keeping the collecting capacity of the filter bag efficient and stable.
And the drainage fan 6 is a power device for pumping out the flue gas with high-concentration dust which is obtained by mixing the dust removed by the dust removal device 5 with the flue gas.
The outlet off-line valve 7 is a key device for stopping wind and cleaning ash in the dedusting chamber 1.
The opening and closing valve 8 of the drainage device is a control device which ensures that the dense-phase flue gas is sucked into the drainage main pipe when the corresponding dust removal chamber 1 is subjected to off-line ash removal.
The adjusting turning plate 9 is an important means for keeping the balance of the flue gas in each dust removal chamber 1, and the balance of the air volume has direct influence on the dust removal effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A kind of high-air-volume micronic dust catches the segregator, characterized by, including dust-collecting bin, inlet fume distributing pipe, air-out header pipe, ash-cleaning device, drainage fan, export off-line valve, drainage fan open and close valve and regulation turn over the board; the dust removal bin is arranged in parallel, a plurality of filter bags are arranged in each dust removal bin, and an ash removal device is arranged above each filter bag; the inlet flue gas distribution pipe is arranged at the bottom of the dust removal bin along the arrangement direction of the dust removal bins, a plurality of flue gas inlets are arranged at the top of the inlet flue gas distribution pipe and are connected with the bottoms of the dust removal bins in a one-to-one correspondence manner, and the flue gas inlets are respectively provided with an adjusting turning plate; one side of the lower part of the dust removing bin is provided with a drainage main pipe along the arrangement direction of the dust removing bin, one side of the drainage main pipe is correspondingly connected with the lower part of each dust removing bin one by one through a plurality of drainage branch pipes, and the drainage branch pipes are provided with drainage fan open and close valves; along the gas flowing direction, the tail end of the drainage main pipe is provided with a drainage fan; the dust removal storehouse is characterized in that an air outlet main pipe is arranged on one side of the upper portion of each dust removal storehouse along the arrangement direction of the dust removal storehouses, one side of the air outlet main pipe is connected with the upper portions of the dust removal storehouses in a one-to-one correspondence mode through a plurality of air outlet branch pipes, outlet offline valves are arranged on the air outlet branch pipes, and a main draught fan is arranged on the air outlet main pipe on the downstream of the dust removal storehouses along the gas flowing direction.
2. The large-air-volume micro-dust collecting separator as claimed in claim 1, wherein the dust-removing chamber is composed of a frame and a box body, the outer part of the box body is supported by the frame, a plurality of filter cages are arranged in the box body, and the filter bags are covered outside the filter cages.
3. The large-air-volume micro-dust collecting separator as claimed in claim 1, wherein the ash removing device is a pulse ash removing device, is arranged at the top of the box body and is arranged in one-to-one correspondence with the filter bags; and a pulse electromagnetic valve is arranged on a blowing pipe in each pulse ash removal device.
4. A large-air-volume micro-dust collecting separator as claimed in claim 2, wherein said box is a square box, and a pressure-releasing membrane is provided on the box.
5. The high air flow fine dust collecting separator of claim 1, wherein said air outlet main is composed of a plurality of pipe sections, and the diameter of each pipe section is gradually increased along the gas flowing direction.
6. A high air flow fine dust collection separator according to claim 1, further comprising a control system; the outlet off-line valve, the drainage fan on-off valve, the adjusting turning plate and the pulse electromagnetic valve are respectively connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020993674.7U CN212491999U (en) | 2020-06-03 | 2020-06-03 | Large-air-volume micro-dust collecting separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020993674.7U CN212491999U (en) | 2020-06-03 | 2020-06-03 | Large-air-volume micro-dust collecting separator |
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| CN212491999U true CN212491999U (en) | 2021-02-09 |
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| CN202020993674.7U Active CN212491999U (en) | 2020-06-03 | 2020-06-03 | Large-air-volume micro-dust collecting separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643982A (en) * | 2020-06-03 | 2020-09-11 | 中冶焦耐(大连)工程技术有限公司 | Large-air-volume micro-dust collecting separator and working method thereof |
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- 2020-06-03 CN CN202020993674.7U patent/CN212491999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643982A (en) * | 2020-06-03 | 2020-09-11 | 中冶焦耐(大连)工程技术有限公司 | Large-air-volume micro-dust collecting separator and working method thereof |
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