CN213375551U - Flue gas dust removal equipment and flue gas processing system - Google Patents
Flue gas dust removal equipment and flue gas processing system Download PDFInfo
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- CN213375551U CN213375551U CN202021870692.2U CN202021870692U CN213375551U CN 213375551 U CN213375551 U CN 213375551U CN 202021870692 U CN202021870692 U CN 202021870692U CN 213375551 U CN213375551 U CN 213375551U
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Abstract
The utility model discloses a flue gas dust collecting equipment and flue gas processing system, wherein, flue gas dust collecting equipment includes: a plurality of dust collectors; the air inlet pipe is provided with an air inlet end, and the inner diameter of the air inlet pipe is gradually reduced in the direction far away from the air inlet end; a plurality of air outlets of the air inlet pipe are respectively connected with a plurality of dust removers; the air outlet pipe is provided with an air outlet end, and the inner diameter of the air outlet pipe is gradually widened in the direction close to the air outlet end; and a plurality of air inlets of the air outlet pipe are respectively connected with a plurality of dust collectors. The utility model discloses technical scheme is through setting up a plurality of dust removers, and a plurality of dust removers are connected with the air outlet of air-supply line, simultaneously with the air intake connection who goes out the tuber pipe. When one or more of them needs of a plurality of dust removers overhaul, close the air outlet that the dust remover that needs the maintenance is connected and/or the governing valve of air intake, other dust removers that need not overhaul normally open, so can realize online maintenance, the back flue gas that can not appear shutting down is directly arranged, influences the ecological environment in the periphery.
Description
Technical Field
The utility model relates to a flue gas field of handling, in particular to flue gas dust collecting equipment and flue gas processing system.
Background
The dust remover is used as an important component of an environment-friendly system and is mainly used for removing dust in dust-containing gas or smoke, and a filter material of the dust remover is used as a consumable product, has a certain service life, and needs to be stopped for maintenance when the filter material is due or has the problems of bag pasting, hardening and the like in the use process.
From the current engineering case, the dust remover is single bin structure at present mostly, and this dust remover has that area is little, blowback compressed air demand pressure is low, filter material life cycle advantage such as longer, but this dust remover can't carry out online maintenance. When the device is used, the device can only be stopped for maintenance and the flue gas can be directly discharged, thereby polluting the surrounding ecological environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flue gas dust collecting equipment, aim at letting flue gas dust collecting equipment can realize the online maintenance, flue gas dust collecting equipment still works during the maintenance, and the flue gas can not be in line, avoids polluting ecological environment on every side.
In order to achieve the above object, the utility model provides a flue gas dust collecting equipment, include:
a plurality of dust collectors;
the air inlet pipe is provided with an air inlet end, and the inner diameter of the air inlet pipe is gradually reduced in the direction far away from the air inlet end; a plurality of air outlets of the air inlet pipe are respectively connected with a plurality of dust collectors; and the number of the first and second groups,
the air outlet pipe is provided with an air outlet end, and the inner diameter of the air outlet pipe is gradually widened in the direction close to the air outlet end; and a plurality of air inlets of the air outlet pipe are respectively connected with the plurality of dust collectors.
Preferably, a regulating valve is arranged between the air outlet of the air inlet pipe and the dust remover, and/or a regulating valve is arranged between the air inlet of the air outlet pipe and the dust remover.
Preferably, the regulating valve is a gate valve or a butterfly valve.
Preferably, the flue gas dust removal equipment further comprises a pressure difference sensor, one end of the pressure difference sensor is connected to the air outlet of the air inlet pipe, and the other end of the pressure difference sensor is connected to the air inlet of the air outlet pipe.
Preferably, the dust remover is a cloth bag type dust remover, or a ceramic fiber tube dust remover, or a metal bag type dust remover.
Preferably, a heat insulation plate is arranged between the dust collectors.
Preferably, the dust collectors are arranged in a single row at intervals, and the air inlet pipe and the air outlet pipe are respectively arranged on the left side and the right side, or the upper side and the lower side of the dust collectors.
Preferably, a part of the plurality of dust collectors are arranged at intervals to form a first row group, the rest of the plurality of dust collectors are arranged at intervals to form a second row group, and the air inlet pipe and the air outlet pipe are positioned between the first row group and the second row group.
The utility model discloses still provide a flue gas processing system, including flue gas dust collecting equipment, flue gas dust collecting equipment includes:
a plurality of dust collectors;
the air inlet pipe is provided with an air inlet end, and the inner diameter of the air inlet pipe is gradually reduced in the direction far away from the air inlet end; a plurality of air outlets of the air inlet pipe are respectively connected with a plurality of dust collectors; and the number of the first and second groups,
the air outlet pipe is provided with an air outlet end, and the inner diameter of the air outlet pipe is gradually widened in the direction close to the air outlet end; and a plurality of air inlets of the air outlet pipe are respectively connected with the plurality of dust collectors.
The utility model discloses technical scheme is through setting up a plurality of dust removers, and a plurality of dust removers are connected with the air outlet of air-supply line, simultaneously with the air intake connection who goes out the tuber pipe. When one or more of them needs of a plurality of dust removers overhaul, close the air outlet that the dust remover that needs the maintenance is connected and/or the governing valve of air intake, other dust removers that need not overhaul normally open, so can realize online maintenance, the back flue gas that can not appear shutting down is directly arranged, influences the ecological environment in the periphery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the flue gas dust removal device of the present invention;
FIG. 2 is a schematic structural view of another view angle of the flue gas dust removal device in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the flue gas dust removing device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
30 | |
| 11 | |
40 | Regulating |
| 12 | Air |
50 | Reducing |
| 20 | |
60 | Differential pressure sensor |
| 21 | |
13 | |
| 22 | |
23 | Air outlet end |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a flue gas dust collecting equipment.
In an embodiment of the present invention, as shown in fig. 1, the flue gas dust removing device includes a dust remover 30, an air inlet pipe 10, an air outlet pipe 20, and the like. The dust collector 30 is provided in plurality; the air inlet pipe 10 is provided with an air inlet end 13, and the inner diameter of the air inlet pipe 10 is gradually reduced in the direction far away from the air inlet end 13; a plurality of air outlets 11 of the air inlet pipe 10 are respectively connected with a plurality of dust collectors 30; the air outlet pipe 20 is provided with an air outlet end 23, and the inner diameter of the air outlet pipe 20 is gradually widened in the direction close to the air outlet end 23; the air inlets 21 of the air outlet pipe 20 are respectively connected with the plurality of dust collectors 30.
Specifically, the air inlet pipe 10 includes a plurality of air inlet sub-pipes 12 having different inner diameters, and the air inlet sub-pipes 12 having different inner diameters are connected by a reducer union 50, so that the inner diameter of the air inlet pipe 10 is gradually reduced in a direction away from the air inlet end 13. Go out tuber pipe 20 and include the tuber pipe 22 that a plurality of internal diameters are different, the different tuber pipe 22 of a plurality of internal diameters passes through reducer union 50 to be connected, thereby realizes the internal diameter that goes out tuber pipe 20 is being close to gradually widen in the direction of air-out end 23.
When the flue gas dust removal equipment works, flue gas from a melting furnace enters from the air inlet end 13 of the air inlet pipe 10, then enters the dust remover 30 through the air outlet 11 of the air inlet pipe 10, enters the air outlet pipe 20 through the air inlet 21 of the air outlet pipe 20 after the dust remover 30 performs dust removal treatment, and then enters the next working procedure. Because a plurality of dust collectors 30 are arranged, the plurality of dust collectors 30 are all communicated with the air outlet 11 of the air inlet pipe 10, if the inner diameter of the air inlet pipe 10 is unchanged, the air outlet 11 far away from the air inlet end 13 is far away, the internal air pressure is reduced, and the normal filtering work is influenced. In order to ensure that the air pressures of the air outlets 11 of the air inlet pipe 10 are equal, the inner diameter of the air inlet pipe 10 is gradually reduced in the direction away from the air inlet end 13, so that the normal dust removal treatment work is ensured. If the inner diameter of the air outlet pipe 20 is not changed, the air pressure inside the air inlet 21 near the air outlet end 23 is increased, even higher than the air pressure at the air outlet 11 of the air inlet pipe 10, which affects the normal operation of the dust collector 30. Therefore, the inner diameter of the air outlet pipe 20 is gradually widened in the direction close to the air outlet end 23, and the air pressure of each air inlet 21 of the air outlet pipe 20 is ensured to be equivalent, so that the normal dust removal treatment work is ensured.
In addition, a regulating valve 40 is arranged between the air outlet 11 of the air inlet pipe 10 and the dust remover 30, and/or a regulating valve 40 is arranged between the air inlet 21 of the air outlet pipe 20 and the dust remover 30. When one or more of the dust collectors 30 need to be overhauled, the adjusting valve 40 of the air outlet 11 and/or the air inlet 21 connected with the dust collector 30 needing to be overhauled is closed, and other dust collectors 30 which do not need to be overhauled are normally opened, so that online overhaul can be realized, and the phenomenon that the smoke is directly discharged after shutdown and the surrounding ecological environment is influenced can be avoided.
The utility model discloses technical scheme is through setting up a plurality of dust removers 30, and a plurality of dust removers 30 are connected with the air outlet 11 of air-supply line 10, are connected with the air intake 21 who goes out tuber pipe 20 simultaneously. When one or more of the dust collectors 30 need to be overhauled, the adjusting valves of the air outlet 11 and/or the air inlet 21 connected with the dust collector 30 needing to be overhauled are closed, and other dust collectors 30 which do not need to be overhauled are normally opened, so that online overhaul can be realized, and the phenomenon that the smoke is directly discharged after shutdown and the surrounding ecological environment is influenced can be avoided.
In an embodiment of the present invention, the adjusting valve 40 is preferably a gate valve or a butterfly valve. The gate valve or the butterfly valve has the advantages of simple structure, small volume, light weight, small material consumption, small installation size, small driving moment, simple and convenient operation, rapidness and the like.
In an embodiment of the present invention, as shown in fig. 1, the flue gas dust removing device further includes a differential pressure sensor 60, one end of the differential pressure sensor 60 is connected to the air outlet 11 of the air inlet pipe 10, and the other end is connected to the air inlet 21 of the air outlet pipe 20. The differential pressure sensor 60 is used for detecting the differential pressure at the air outlet 11 of the air inlet pipe 10 and the air inlet 21 of the air outlet pipe 20. The flue gas is filtered in the dust remover 30 by the power provided by the pressure difference between the air outlet 11 of the air inlet pipe 10 and the air inlet 21 of the air outlet pipe 20. When the differential pressure is less than or equal to the set value, the dust separator 30 can be operated normally, and the dust separator 30 is not damaged. When the differential pressure is greater than the set value, the dust separator is overloaded and fails to operate normally, and the dust separator 30 is damaged. When the differential pressure sensor 60 detects that the differential pressure is greater than a set value, an alarm is given, and then a worker is reminded to adjust the differential pressure.
The dust collector 30 may be a cloth bag type dust collector, a ceramic fiber tube dust collector, or a metal bag type dust collector. The cloth bag type dust collector has the advantages that the smoke temperature of the front-end inlet needs to be strictly controlled, the problems of bag pasting and the like easily occur, but the cloth bag type dust collector is low in cost; the ceramic fiber tube dust remover has wide applicable temperature range and lower requirement on the temperature control of the flue gas at the front end inlet, and is a high-efficiency dust remover with wider application; the metal bag type dust collector has the advantages of simple structure, convenient maintenance, strong adaptability, high dust collection efficiency and the like, but the price is slightly expensive. According to specific actual requirements, a ceramic fiber tube dust remover, a cloth bag type dust remover or a metal bag type dust remover can be selected.
In order to better realize online maintenance and ensure that the temperature of the surrounding environment is as low as possible when a maintenance worker maintains the dust collectors, and the health of the maintenance worker is ensured, a heat insulation plate (not shown) is arranged between the dust collectors. The high temperature of a properly functioning precipitator rarely transfers heat to online service.
In an embodiment of the present invention, as shown in fig. 1 and 2, a plurality of the dust collectors are arranged in a single row at intervals, and the air inlet pipe 10 and the air outlet pipe 20 are respectively disposed on the left and right sides, or the upper and lower sides, of the dust collector 30. In another embodiment of the present invention, as shown in fig. 3, a plurality of the dust collectors 30 are arranged at intervals to form a first row group, and the remaining dust collectors are arranged at intervals to form a second row group, wherein the air inlet pipe 10 and the air outlet pipe 20 are located between the first row group and the second row group. By the design, not only can pipelines be saved, but also the occupied space can be saved.
The utility model discloses still provide a flue gas processing system, this flue gas processing system include flue gas dust collecting equipment, and this flue gas dust collecting equipment's concrete structure refers to above-mentioned embodiment, because this flue gas processing system has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A flue gas dust removal apparatus, comprising:
a plurality of dust collectors;
the air inlet pipe is provided with an air inlet end, and the inner diameter of the air inlet pipe is gradually reduced in the direction far away from the air inlet end; a plurality of air outlets of the air inlet pipe are respectively connected with a plurality of dust collectors; and the number of the first and second groups,
the air outlet pipe is provided with an air outlet end, and the inner diameter of the air outlet pipe is gradually widened in the direction close to the air outlet end; and a plurality of air inlets of the air outlet pipe are respectively connected with the plurality of dust collectors.
2. The flue gas dust removal apparatus of claim 1, wherein a regulating valve is disposed between the outlet of the air inlet duct and the dust remover, and/or a regulating valve is disposed between the inlet of the air outlet duct and the dust remover.
3. The flue gas dust removal device of claim 2, wherein the regulating valve is a gate valve or a butterfly valve.
4. The flue gas dust removal equipment of claim 1, further comprising a differential pressure sensor, wherein one end of the differential pressure sensor is connected to the air outlet of the air inlet pipe, and the other end of the differential pressure sensor is connected to the air inlet of the air outlet pipe.
5. The flue gas dust removal apparatus of claim 1, wherein the dust collector is a cloth bag dust collector, or a ceramic fiber tube dust collector, or a metal bag dust collector.
6. The flue gas dust removal apparatus of claim 1, wherein a heat shield is disposed between the precipitators.
7. The flue gas dust removal apparatus of claim 1, wherein a plurality of said dust removers are arranged in a single row at intervals, and said air inlet duct and said air outlet duct are respectively provided on the left and right sides, or the upper and lower sides, of said dust removers.
8. The flue gas dedusting apparatus of claim 1 wherein a portion of said plurality of said dusters are spaced apart to form a first bank and a remaining portion of said plurality of said dusters are spaced apart to form a second bank, said air inlet duct and said air outlet duct being positioned between said first bank and said second bank.
9. A flue gas treatment system comprising a flue gas dust removal device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870692.2U CN213375551U (en) | 2020-08-31 | 2020-08-31 | Flue gas dust removal equipment and flue gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870692.2U CN213375551U (en) | 2020-08-31 | 2020-08-31 | Flue gas dust removal equipment and flue gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213375551U true CN213375551U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021870692.2U Active CN213375551U (en) | 2020-08-31 | 2020-08-31 | Flue gas dust removal equipment and flue gas processing system |
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| Country | Link |
|---|---|
| CN (1) | CN213375551U (en) |
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