CN218687335U

CN218687335U - Ash removal system applied to oil-containing, water-containing and corrosive particulate matters

Info

Publication number: CN218687335U
Application number: CN202222808229.0U
Authority: CN
Inventors: 张健; 吴天波; 刘丽梅
Original assignee: Qingdao Senserui Environmental Protection Equipment Co ltd
Current assignee: Qingdao Senserui Environmental Protection Equipment Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-24
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a be applied to deashing system that contains oil, contains water, contains corrosive particulate matter, including trunk line, induced draft unit, workbin, third subduct and a plurality of first subduct and, the unit that induced drafts is used for providing wind power for the trunk line, the first end and the dust purification equipment of trunk line are connected, the second end of trunk line is including a plurality of second pipeline sections that are linked together, first subduct is through the first bell pipe and the trunk line intercommunication that correspond position department, just the end-to-end connection of first subduct has the tuyere that is close to the processing unit and sets up, the third subduct is close to the first end of trunk line and just communicates with the trunk line, be equipped with the valve on the third subduct and stretch into to the workbin, the auxiliary material gets into in the dust purification equipment and pastes and cover on filtering material through the trunk line in the workbin. The utility model discloses rational in infrastructure, can effectively protect filtering material, be favorable to reducing the deashing cost.

Description

Ash removal system applied to oil-containing, water-containing and corrosive particulate matters

Technical Field

The utility model relates to a dust removal environmental protection equipment technical field specifically is a be applied to deashing system that contains oil, contains water, contains corrosive particulate matter.

Background

Along with the rapid development of the society, a large amount of particulate matter dust can be produced in the processing and production processes of various industries such as metallurgy, chemical industry, electric power, building materials and the like, if the particulate matter dust in the working environment can not be timely treated, not only can harm the bodies of workers, but also the particulate matter dust directly discharged into the atmosphere can cause serious pollution to the air. Based on the strict requirements of the current environmental protection and the personal protection of workers, environmental protection dust removal equipment must be introduced in the enterprise production process. The dust containing oil, water and corrosive particles cannot meet the filtering requirement only by depending on the characteristics of the filtering material (such as a filter bag), the oil, water and corrosive particles usually adhere to the surface layer of the filtering material and rapidly block the filtering material, and the performance of the filtering material is difficult to recover in modes of vibration and the like in the prior art, so that the filtering material is seriously lost, and the service life of the filtering material is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a be applied to deashing system that contains oil, moisture, contain corrosive particles, it has solved in the current deashing system that the dust that contains oil, moisture and contain corrosive particles is big to the filtering material loss, reduces filtering material life's technical problem, has rational in infrastructure, can effectively protect filtering material, is favorable to reducing the technological effect of deashing cost. The adopted technical scheme is as follows:

the utility model provides a be applied to deashing system that contains oil, moisture, contain corrosive particulate matter, includes trunk line, the unit that induced drafts, workbin, third minute pipeline and a plurality of first minute pipeline, the unit that induced drafts includes a plurality of fans for provide wind power for the trunk line, the first end and the dust purification equipment of trunk line are connected, the second end of trunk line is including a plurality of first pipeline sections that are linked together, and is a plurality of first pipeline section is gradually big and be the straight tube section along the wind flow pipe diameter, and links to each other two first pipeline sections and pass through first conical tube intercommunication, first minute pipeline is through the first conical tube and the trunk line intercommunication that correspond position department, just the end-to-end connection of first minute pipeline has the suction nozzle that is close to the processing unit setting, third minute pipeline is close to the first conical tube and the trunk line intercommunication that the first end of trunk line set up and locate through corresponding position, be equipped with the valve on the third minute pipeline and stretch into to the workbin, the workbin has the auxiliary material, the auxiliary material can get into dust purification equipment and paste under the effect of trunk line and cover on to with oil, moisture, the dust, contain corrosive particulate matter, keep apart.

On the basis of the technical scheme, the pipe diameter of the first branch pipeline is positively correlated with the taper of the communicated first conical pipe, and the pipe diameter of the third branch pipeline is positively correlated with the taper of the communicated first conical pipe.

On above-mentioned technical scheme's basis, at least one first subchannel is including a plurality of second pipeline sections that are linked together, and is a plurality of the second pipeline section is along wind flow direction gradually big and be the straight tube section, and just two adjacent second pipeline sections are through second taper pipe intercommunication, at least one second taper pipe intercommunication has the second to divide the pipeline, the second divides the pipeline end to be equipped with the suction nozzle that is close to the processing unit setting, just the pipe diameter of second branch pipeline is positive correlation with the tapering of the second taper pipe that communicates.

On above-mentioned technical scheme's basis, still include the deashing unit, the unit that induced drafts provides wind power for the deashing unit, the deashing unit includes a plurality of deashing pipelines that set gradually along the wind current direction, the deashing pipeline is through first pipeline section and trunk line intercommunication, or the deashing pipeline passes through second pipeline section and first branch pipeline intercommunication, be equipped with the deashing valve on the deashing pipeline, just the pipe diameter of deashing pipeline with the first pipeline section or the second pipeline section pipe diameter of intercommunication are unanimous.

On the basis of the technical scheme, the automatic air suction device further comprises a controller, wherein an air suction valve is arranged at the air suction nozzle and is electrically connected with the controller through a power switch of the processing unit so as to realize linkage opening and closing of the air suction valve and the power switch of the processing unit.

On the basis of the technical scheme, the tail end of the air suction nozzle is connected with an air suction cover, and the upper part and the lower part of the air suction cover are large for gathering dust.

On above-mentioned technical scheme's basis, still include the controller and be used for detecting the atmospheric pressure sensor of trunk line first end internal gas pressure, the unit that induced drafts includes a plurality of and controller electric connection's fan, the inlet scoop and the trunk line intercommunication of fan are in order to provide pneumatics, the controller respectively with atmospheric pressure sensor and fan electric connection, atmospheric pressure sensor can send signal to controller, the controller can be according to the quantity of opening of trunk line first end internal gas pressure value control fan to keep the atmospheric pressure value in the trunk line first end in setting for the scope value.

On the basis of the technical scheme, the air suction unit is arranged in the dust purification equipment, and at least one fan is electrically connected with the power supply through the frequency converter.

On the basis of the technical scheme, the filter material comprises a filter bag, and the auxiliary material can be attached to the outer wall surface of the filter bag or the inner wall surface of the filter bag under the action of wind power so as to isolate the filter bag from dust containing oil, water and corrosive particles.

On the basis of the technical scheme, the filter bag is a cylindrical filter bag.

Advantageous effects

The utility model has the advantages of reasonable design, it is a plurality of first pipeline section communicates in proper order and gradually enlarges along the wind flow direction pipe diameter, just first pipeline section intercommunication has a plurality of first branch pipelines, wherein the tuyere is close to the processing unit setting, so not only can extend dust collecting equipment dust removal coverage greatly, but also can have the accurate dust absorption of focus to remove dust, be favorable to reducing the energy consumption, furthermore, first pipeline section is gradually big along the wind flow direction pipe diameter, so can still keep more stable amount of wind in the trunk line behind first branch pipeline partial pressure, can avoid dust wherein to subside because of gravity to block the pipeline on the one hand, on the other hand can avoid too big fan energy consumption. Meanwhile, the first pipe sections are straight pipe sections, two adjacent first pipe sections are communicated through the tapered pipe, and the first branch pipes are communicated with the tapered pipe, so that the wind power in the first pipe sections can be kept stable, and noise caused by unstable wind power is avoided. The filter is also provided with a third branch pipeline and a feed box, when the filter to be filtered contains oil, water or corrosive particulate dust, the auxiliary material can well isolate the oil, water or corrosive particulate dust from the filter bag, so that the filter material is prevented from being adhered and lost, and the service life of the filter material is prolonged.

Moreover, the suction nozzle is provided with a valve, and the valve is linked with a power switch of the processing unit to be opened and closed, so that the opening quantity of the fan can be adaptively controlled according to the dust removal requirement, the air volume in the main pipeline is always kept within a set range value, the suction nozzle is prevented from being sucked by air, the energy consumption is reduced, and the dust removal cost of an enterprise is reduced.

Furthermore, the ash removal unit comprises an ash removal pipeline, the pipe diameter of the ash removal pipeline is consistent with the pipe diameter of a first pipe section or a second pipe section communicated with the ash removal pipeline, the phenomenon that the wind speed is reduced after the ash removal pipeline enters the first pipe section or the first branch pipeline is avoided, the ash removal pipeline can be arranged at a key position where the dust is prone to settling is avoided, the key position is arranged at a pipeline bending position or a pipeline with larger diameter, after an air suction valve is closed, a plurality of ash removal valves are sequentially opened one by one along the wind flow direction, if the ash removal valve at the tail end of the main pipeline is closed after the opening time a1, the other ash removal valve in the wind flow direction is closed after the starting time a2 until the ash removal valves are sequentially opened one by one, so that under the condition that a small amount of fans are opened, the air volume in the main pipeline is kept to reach a set range value, the dust settling in the pipeline is guaranteed to be rapidly and efficiently cleared, and the ash removal pipeline section can be arranged at the key position where the dust settling is prone to be more pointed.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: FIG. 1 is a partially enlarged schematic view of the structure;

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full breadth of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of other like elements in a structure, device, or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations and positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.

Herein, the term "plurality" means two or more, unless otherwise specified.

Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.

Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

As shown in figure 1, be applied to deashing system that contains oil, contains water, contains corrosive particulate matter, including trunk line 1, induced draft unit, workbin 10, third minute pipeline 9, second minute pipeline 201, a plurality of first minute pipeline 2 and controller, induced draft the unit and be used for providing wind power for trunk line 1 or deashing unit, the first end and the dust purification equipment 100 of trunk line 1 are connected, and dust purification equipment is prior art, and technical personnel in the field can choose according to the demand, and here is no longer repeated, wherein, induced draft the unit locate dust purification equipment 100 inside and include a plurality of fans, the inlet scoop of fan and the first end intercommunication of trunk line 1.

As shown in fig. 2, the second end of the main pipeline 1 includes a plurality of first pipe sections 11 that are communicated with each other, and a plurality of first pipe sections 11 are gradually enlarged along the wind flow direction pipe diameter, specifically, a plurality of first pipe sections 11 are straight pipe sections, and two adjacent first pipe sections 11 are communicated through a first tapered pipe 12, so that the wind stability in the first pipe sections 11 can be maintained, and the noise caused by the unstable wind can be avoided. First minute pipeline 2 communicates with trunk line 1 through the first taper pipe 12 that corresponds position department, just the pipe diameter of first minute pipeline 2 is positive correlation with the tapering of the first taper pipe 12 that communicates to guarantee as in fig. 1, locate the wind speed in the left first pipeline section 11 of this first taper pipe 12, wind speed in the first minute pipeline 2, locate the first pipeline section 11 on first taper pipe 12 right side and equal basically, be favorable to keeping the wind speed stable (wind speed = amount of wind/pipe cross-section) in trunk line 1, avoid the dust to subside. In order to cover more processing units 8, at least one first sub-pipeline 2 comprises a plurality of second pipe sections 21 which are communicated, specifically, the first sub-pipeline 2 comprises a bent pipe section and a straight pipe section, the straight pipe section comprises a plurality of second pipe sections 21 which are communicated, the diameters of the plurality of second pipe sections 21 are gradually increased along the wind flow direction, the plurality of second pipe sections 21 are straight pipe sections, and two adjacent second pipe sections 21 are communicated through a second taper pipe 22; the second subchannel 201 quantity has a plurality ofly, and second subchannel 201 communicates with first subchannel 2 through second taper pipe 22, and the pipe diameter of second subchannel 201 is positive correlation with the tapering of the second taper pipe 22 that communicates to be favorable to keeping the air velocity stable in the second pipeline section 21, the end of second subchannel 201 also is equipped with suction nozzle 5, and suction nozzle 5 is close to the setting of processing unit 8. Wherein, the pipe diameter leads to the end of other first branch pipes of straight and also is equipped with suction nozzle 5 equally, and suction nozzle 5 is close to the setting of

processing unit

8, and 5 end-to-end connection of suction nozzle have the cover that induced drafts, induced draft covers big end to end for gathering together the dust, 5 departments of induced draft nozzle are equipped with air suction valve 6, air suction valve 6 is through the switch and the 7 electric connection of controller of processing unit 8 to realize that the switch linkage of air suction valve 8 and processing unit 8 is opened and close, avoid opening air suction valve 6 under processing unit 8 unoperated state, and suction nozzle 5 is inhaled by air, is favorable to reducing the unit energy consumption that induced drafts, reduces the dust removal cost.

Third minute pipeline 9 is close to the setting of 1 first end of trunk line and communicates with trunk line 1 through the first taper pipe 12 that corresponds position department, wherein, the pipe diameter of third minute pipeline 9 is positive correlation with the tapering of the first taper pipe 12 that communicates, in order to guarantee as in fig. 1, locate the wind speed in the left first pipeline section 11 of this first taper pipe 12, wind speed in the first branch pipeline 2, the wind speed in the first pipeline section 11 of locating first taper pipe 12 right side is equal basically, be favorable to keeping wind speed stable in the trunk line 1 be equipped with the valve on the third minute pipeline 9 and stretch into to the workbin 10 in, the auxiliary material has been put in the workbin 10, like the wood flour of polishing, lime powder etc. and, the powder that the auxiliary material configured to the dust characteristic that needs to filter, wood flour, lime powder are prior art, the technical staff in the field can as required selective purchase, no longer describe here. The auxiliary material can enter the dust purification equipment through the main pipeline under the action of wind power and is attached to the filter material so as to isolate the filter material from dust containing oil, water and corrosive particles. In this embodiment, the filter material includes a filter bag, the filter bag is a cylindrical filter bag, and the auxiliary material can be attached to the outer wall surface of the filter bag or the inner wall surface of the filter bag under the action of wind power so as to isolate the filter bag from dust containing oil, water and corrosive particles.

The deashing unit includes deashing pipeline 3, deashing pipeline 3 is through

first pipeline section

11 and 1 intercommunication of trunk line and be equipped with deashing valve 4 on it, deashing pipeline 3's pipe diameter is unanimous with the first pipeline section 11 pipe diameter rather than being linked together, in addition, deashing pipeline 3 still can be through second pipeline section 21 and trunk line intercommunication, and the pipe diameter of deashing pipeline 3 and the second pipeline section 21 that communicates this moment is unanimous, deashing valve 4 and controller 7 electric connection. The ash removal pipeline 3 can be arranged at a key position where dust sedimentation easily occurs, namely, the key position, such as a pipeline bending position or a pipeline with larger reducing diameter, and the pipeline with larger reducing diameter refers to a pipeline with the reducing amplitude exceeding 30%. Wherein, the air outlet of the air suction unit is communicated with the ash cleaning pipeline 3 to provide wind power for the ash cleaning pipeline.

In addition, the device also comprises an air pressure sensor for detecting the air pressure in the first end of the main pipeline 1 and used for detecting the air pressure value in the main pipeline 1. The air suction unit comprises a plurality of fans electrically connected with the controller 7, in the embodiment, the air suction unit is arranged in the dust purification equipment 100, an air suction opening of each fan is communicated with the first end of the main pipeline 1 to provide wind power, the air pressure sensor is electrically connected with the controller 7 and can send signals to the controller, and the controller 7 can control the starting number of the fans according to the air pressure value in the first end of the main pipeline 1 so as to keep the air pressure value in the main pipeline 1 within a set range value; in addition, at least one the fan passes through converter and power electric connection, so when processing unit 8 opens the quantity change, when the demand amount of wind constantly changes, can avoid the fan to frequently open and stop, be favorable to improving fan life.

Working process of ash removal system containing oil, water and corrosive particles

Firstly, the controller 7 controls the starting time period b of the fan, and the auxiliary materials are attached to the side wall of the filter material (such as a filter bag) through the main pipeline 1 under the action of wind power, so that the filter material is effectively protected. And then, the air suction valve 6 and the power supply of the processing unit 8 are opened in a linkage manner. Later the baroceptor sends signal to controller 7, the controller is according to opening quantity of 7 interior atmospheric pressure value control fan of trunk line 1 first end to keep the atmospheric pressure in trunk line 1 first end in setting for the within range value, in the course of the work, the work unit opens the quantity and has the change, and corresponding suction valve 6 opens the quantity and corresponds the change, and the atmospheric pressure value in trunk line 1 first end can float this moment, and the controller can open the quantity according to the signal dynamic adjustment fan that the baroceptor sent.

After the machining unit is completely closed, the machining unit is usually in a working state, the air suction valve 6 and the power supply of the machining unit 8 are closed in a linkage manner, and the plurality of ash removal valves 4 are sequentially opened one by one along the wind flow direction; if the dust cleaning valve at the tail end of the main pipeline 1 is closed after the opening time a1, the other dust cleaning valve 4 which is close to the tail end of the main pipeline 1 starts to close after the starting time a2, and the dust cleaning valves 4 are opened one by one in sequence until a plurality of the dust cleaning valves 4 are opened one by one, wherein an air outlet of the air suction unit is communicated with the dust cleaning pipeline 3 and provides air power for the dust cleaning pipeline 3 in sequence, namely in the dust cleaning process, a fan in the air suction unit sucks air from the first end of the main pipeline 1, and the fan exhausts air to the dust cleaning pipeline 3 after being treated by the dust purification equipment, so that the set air speed in the main pipeline 1 can be quickly achieved under the condition that the fan is opened in a small amount, the dust settlement in the main pipeline 1 is cleaned more thoroughly and more efficiently (in the prior art, the dust cleaning process is usually that the air suction valve 6 is opened, the air suction unit works at the maximum power to take away the settlement dust as much as possible, and the air suction unit exhausts air after being treated by the dust purification equipment, not only the energy consumption is unfavorable and the dust cleaning efficiency is low), and the dust cleaning pipeline can be arranged at the key position where the settlement is easy to occur more pertinently.

Therefore, even if the dust containing oil, water and corrosive particles is added, the characteristics of the existing filter material (such as a filter bag) can meet the filter requirement by adding auxiliary materials, the service life of the filter material (such as the filter bag) can be greatly prolonged, the filter material (such as the filter bag) can be prevented from being blocked or damaged by the dust containing oil, water or corrosive particles, and the production cost of an enterprise can be reduced.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The utility model provides a be applied to oiliness, contain water, contain deashing system of corrosive particulate matter, a serial communication port, including trunk line (1), induced draft unit, workbin (10), third minute pipeline (9) and a plurality of first minute pipeline (2), the unit that induced drafts includes a plurality of fans for trunk line (1) provides wind power, the first end and dust purification equipment (100) of trunk line (1) are connected, the second end of trunk line (1) is including a plurality of first pipeline sections (11) that are linked together, and is a plurality of first pipeline section (11) are along the wind flow to pipe diameter gradually big and be the straight tube section, and link to each other two first pipeline sections (11) and pass through first conical duct (12) and trunk line (1) intercommunication that are linked together, just the end connection of first minute pipeline (2) has suction nozzle (5) that are close to processing unit (8) and set up through first conical duct (12) intercommunication that corresponds position department, just filtration material (10) are equipped with filter material (10) in the filtration material box (10) and cover the effect on the trunk line (1) and filter material (10) and filter material box, the dust purification equipment, the third minute pipeline (10) is equipped with the effect of being equipped with the main pipeline (10) and filter material inlet pipe (12) in the trunk line (10) on the trunk line (10) and filter material inlet, dust insulation containing water and corrosive particulate matter.

2. The ash removal system applied to the oil-containing, water-containing and corrosive particulate matters according to claim 1, wherein the pipe diameter of the first branch pipe (2) is positively correlated with the taper of the communicated first conical pipe (12), and the pipe diameter of the third branch pipe (9) is positively correlated with the taper of the communicated first conical pipe (12).

3. The ash removal system applied to oil-containing, water-containing and corrosive particulate matters according to claim 1, wherein at least one of the first branch pipes (2) comprises a plurality of second pipe sections (21) which are communicated with each other, the second pipe sections (21) are gradually enlarged along the wind flow direction and are straight pipe sections, two adjacent second pipe sections (21) are communicated with each other through a second taper pipe (22), at least one of the second taper pipes (22) is communicated with a second branch pipe (201), the tail end of the second branch pipe (201) is provided with an air suction nozzle (5) which is arranged close to the processing unit (8), and the pipe diameter of the second branch pipe (201) is positively correlated with the taper of the second taper pipe (22) which is communicated with the air suction nozzle.

4. The ash removal system applied to oil-containing, water-containing and corrosive particulate matters according to any one of claims 1 to 3, further comprising an ash removal unit, wherein the air suction unit provides air power for the ash removal unit, the ash removal unit comprises a plurality of ash removal pipelines (3) which are sequentially arranged along the air flow direction, the ash removal pipelines (3) are communicated with the main pipeline (1) through first pipeline sections (11), or the ash removal pipelines (3) are communicated with the first branch pipelines (2) through second pipeline sections (21), ash removal valves (4) are arranged on the ash removal pipelines (3), and the pipe diameters of the ash removal pipelines (3) are consistent with the pipe diameters of the communicated first pipeline sections (11) or the second pipeline sections (21).

5. The ash removal system applied to the oil-containing, water-containing and corrosive particulate matters according to claim 4, further comprising a controller (7), wherein an air suction valve (6) is arranged at the air suction nozzle (5), and the air suction valve (6) is electrically connected with the controller (7) through a power switch of the processing unit (8) so as to realize linkage opening and closing of the air suction valve (6) and the power switch of the processing unit (8).

6. The ash removal system applied to oil-containing, water-containing and corrosive particulate matters according to claim 5, wherein the tail end of the air suction nozzle (5) is connected with an air suction cover, and the upper part and the lower part of the air suction cover are large for collecting dust.

7. The ash removal system applied to the oil-containing, water-containing and corrosive particulate matters as claimed in claim 4, further comprising a controller (7) and an air pressure sensor for detecting the air pressure in the first end of the main pipeline (1), wherein the air suction unit comprises a plurality of fans electrically connected with the controller (7), an air suction port of each fan is communicated with the main pipeline (1) to provide wind power, the controller (7) is respectively electrically connected with the air pressure sensor and the fans, the air pressure sensor can send a signal to the controller, and the controller (7) can control the opening amount of the fans according to the air pressure value in the first end of the main pipeline (1) to keep the air pressure value in the first end of the main pipeline (1) within a set range value.

8. The ash removal system applied to the oil-containing, water-containing and corrosive particulate matters according to claim 6, wherein the air suction unit is arranged in the dust purification equipment (100), and at least one fan is electrically connected with a power supply through a frequency converter.

9. The system for removing ash containing oil, water and corrosive particulates according to any one of claims 5 to 7, wherein the filter material comprises a filter bag, and the auxiliary material can be attached to the outer wall surface or the inner wall surface of the filter bag under the action of wind power so as to isolate the filter bag from dust containing oil, water and corrosive particulates.

10. The ash removal system applied to the oil-containing, water-containing and corrosive particulate matters of claim 9, wherein the filter bag is a cylindrical filter bag.