CN217561229U - Dust bag wear resistance detection device - Google Patents
Dust bag wear resistance detection device Download PDFInfo
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- CN217561229U CN217561229U CN202221578470.2U CN202221578470U CN217561229U CN 217561229 U CN217561229 U CN 217561229U CN 202221578470 U CN202221578470 U CN 202221578470U CN 217561229 U CN217561229 U CN 217561229U
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Abstract
The application discloses a dust bag wear resistance detection device which comprises a detection box, a wind making assembly and a detection pipe body; the air producing assembly is communicated with the detection box through a connecting pipe and is suitable for blowing air into the detection box; at least one end of the detection pipe body extends into the detection box, and a dust bag mounting opening suitable for fixing a dust bag sample is formed in the pipe wall of the detection pipe body. The utility model provides a dust removal bag wear resistance detection device is equipped with the detection case, can pack into grit and dust in the detection case, through the system wind subassembly, blows grit and dust, goes the dust removal bag sample of friction fixing on the detection body, this testing process, because of the operational environment of simulation dust removal bag, and then can improve the accuracy of dust removal bag wear resistance testing result.
Description
Technical Field
The application relates to the technical field of detection devices, in particular to a dust bag wear resistance detection device.
Background
An electric bag composite dust remover and a bag dust remover are main dust emission reduction devices in the field of air pollution control of thermal power plants, and are widely applied to coal-fired thermal power generating units due to high-efficiency dust filtering performance. The filter bag as a core component works in a smoke environment with high dust concentration, and part of the filter bag can be damaged along with the washing of smoke, but the damage of a small amount of filter bags cannot cause obvious change of differential pressure inside the dust collector, so that the damage condition of the filter bag is difficult to judge in time, and meanwhile, the online detection of the damage of the filter bag is difficult to develop, so that the wear resistance of the dust bag is very necessary to be accurately detected in advance.
The current detection means adopts a method for detecting the wear resistance of the fiber fabric, and the fiber fabric is rubbed by a rubbing rod, and after a period of time, the resistance performance parameters of the fiber fabric are obtained through comparison.
However, the working environment of the dust removal bag is complex, and the wear-resisting property parameter obtained by adopting the wear-resisting property detection device of the fiber fabric has a large difference with the actual parameter.
SUMMERY OF THE UTILITY MODEL
Therefore, the purpose of this application lies in overcoming the wear resistance of dust bag that exists among the prior art and adopting the great defect of testing result deviation that the wear resistance detection device of fiber fabric obtained to provide the dust bag wear resistance detection device that testing result is more accurate.
In order to solve the technical problem, the technical scheme of the application is as follows:
a dust bag wear resistance detection device includes:
a detection box;
the air generating assembly is communicated with the detection box through a connecting pipe and is suitable for blowing air into the detection box;
the detection tube body, at least one end stretches into in the detection case, be equipped with the dust bag installing port that is suitable for fixed dust bag sample on the pipe wall of detection tube body.
Furthermore, the connecting pipe is connected with at least two fluidization air caps, and holes which extend towards the bottom of the detection box in an inclined mode are formed in the fluidization air caps and are suitable for blowing up the mixture in the detection box.
Further, be equipped with two at least on the detection body the dust pocket installing port.
Further, at least two dust pocket installing openings are located on two opposite side walls of the detection pipe body.
Further, dust pocket wear resistance detection device still includes the blowing head, the blowing head is located in the detection tube body and with the dust pocket installing port position corresponds the setting, the blowing head be suitable for intermittent type nature to the dust pocket sample of installation blows on the dust pocket installing port, the blowing direction of blowing head with gas gets into in the detection case the opposite direction of dust pocket sample.
Further, the blowing head is connected with a compressed air pipe for providing blowing air for the blowing head.
Further, dust pocket wear resistance detection device still includes exhaust duct, exhaust duct with the detection body stretches out the one end intercommunication of detection case is suitable for the discharge process the dust pocket sample gets into gas in the detection body.
Furthermore, a filtering structure is arranged on the exhaust pipeline, and the tail end of the exhaust pipeline is communicated with a tail dust removal device.
Furthermore, gravel and dust are also filled in the detection box.
This application technical scheme has following advantage:
1. the application provides a dust bag wear resistance detection device, when the test, is equipped with grit and dust in the detection case, and the system wind subassembly passes through the connecting pipe and injects pressure gas into the detection case, blows grit and dust friction dust bag sample to the operational environment of simulation dust bag, so design, the dust bag wear resistance who surveys out is more close actual conditions.
2. The application provides a dust pocket wear resistance detection device is equipped with the fluidization hood on the connecting pipe, is equipped with the hole that the slope extends to detection case bottom portion on it for the mixture in the detection case is blown by the fluidization hood and is in the fluidization attitude, can not deposit in the bottom of detection case, and the mixture of avoiding rubbing the dust pocket sample in the testing process is less and less, can simulate out the operational environment of dust pocket well.
3. The application provides a dust bag wear resistance detection device, the setting up of blowing head can blow to the dust bag sample on the detection body intermittently, simulates the operational environment that dust bag intermittent type nature carries out opposite direction jetting by the jetting pipe in the sack cleaner, is favorable to improving the accuracy of dust bag wear resistance testing result.
4. The application provides a dust removal bag wear resistance detection device, two at least dust removal bag installing ports set up on the relative both sides of detecting tube body, can follow the not equidirectional wearability to the dust removal bag sample and detect, avoid because of the different influences that produce the testing result of dust volume on the different air current directions in the detection case, improve dust removal bag wear resistance's detection precision.
5. The application provides a dust bag wear resistance detection device, the end that is equipped with filtration and exhaust duct on the exhaust duct still is equipped with afterbody dust collector, can discharge to the atmosphere after the gas purification that comes out via the dust bag sample, reduces environmental pollution.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a dust bag wear resistance detection device of the present application.
Description of the reference numerals:
1. a detection box; 2. a wind-making assembly; 21. a connecting pipe; 22. a fluidization hood; 3. detecting the pipe body; 31. a dust bag mounting opening; 4. an exhaust duct; 5. a filter structure; 6. a tail dust removal device; 7. a blowing head; 71. A compressed air pipe; 81. a first dust pocket sample; 82. second dust pocket sample.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1, the wear-resistant performance detection device for a dust bag provided by this embodiment includes a detection box 1, an air generation assembly 2, and a detection pipe body 3; the air producing assembly 2 is communicated with the detection box 1 through a connecting pipe 21 and is suitable for blowing air into the detection box 1; at least one end of the detection tube body 3 extends into the detection box 1, and a dust bag mounting opening 31 suitable for fixing a dust bag sample is arranged on the tube wall of the detection tube body 3.
Dust bag wear resistance detection device is equipped with detection case 1, can pack into grit and dust in the detection case 1, through system wind subassembly 2, blows grit and dust, goes the dust bag sample of friction fixation on detecting body 3, and this testing process because of the operational environment of simulation dust bag, and then can improve the accuracy of dust bag wear resistance testing result.
One end of the detection pipe body 3 extends into the detection box 1, and a dust bag mounting opening 31 suitable for fixing a dust bag sample is arranged on the pipe wall of the detection pipe body 3.
As an embodiment, as shown in fig. 1, one end of the detection tube 3 extends out of the detection box 1, and the other end extends into the detection box 1.
As another embodiment, both ends of the detection pipe body 3 are located in the detection box 1.
The detection tube body 3 is provided with at least two dust removal bag mounting openings 31 which are the same in size, the at least two dust removal bag mounting openings 31 are located on the side wall of the detection tube body 3, and dust removal bag samples are fixed on the dust removal bag mounting openings 31 in a one-to-one correspondence manner.
In one embodiment, the two dust bag mounting openings 31 are respectively located on two opposite sidewalls of the detecting tube 3, and correspondingly, the dust bag samples include a first dust bag sample 81 and a second dust bag sample 82, which are respectively fixed on the two dust bag mounting openings 31. So design is because the air current everywhere is different in detection case 1, and the volume that the mixture got into in the dust bag sample of different positions in the unit interval also differs, sets up two dust bag installing ports 31 and is in order to reduce the influence of accidental factor to the testing result accuracy.
The air generating component 2 is suitable for blowing air under pressure into the detection box 1 and blowing the mixture in the detection box 1 to rub and remove dust bag samples, in the embodiment, the air generating component 2 is an air blower, and of course, other air blowers or high-pressure air sources can be used.
The dust bag wear resistance detection device also comprises a blowing head 7 which is suitable for intermittently blowing air to the dust bag sample. The blowing head 7 is located the detection body 3 and corresponds the setting with dust bag installing port 31 position, and the blowing head 7 is suitable for intermittent type nature and blows to the dust bag sample of installing on the dust bag installing port 31, and the direction of blowing head 7 is opposite with the direction that gas got into the dust bag sample in the detection case 1, and the blowing head 7 can blow off the adnexed mixture of dust bag sample inner wall. A compressed air pipe 71 for supplying blowing gas to the blowing head 7 is connected to the blowing head 7. The blowing head 7 is connected to a compressed air source through a compressed air pipe 71.
In this embodiment, every 5 minutes the blowing head 7 opens once, and compressed air once jets to the dust bag sample and cleans, and blowing head 7 intermittent type nature blows to the dust bag sample on detecting tube body 3 to simulate out the operational environment that dust bag intermittent type nature in the sack cleaner was carried out opposite direction by the jetting pipe and is blown, be favorable to improving the accuracy of dust bag wear resistance testing result. Of course, the time is not limited to 5 minutes and can be adjusted according to actual needs.
The dust bag wear resistance detection device further comprises an exhaust pipeline 4, the exhaust pipeline 4 is communicated with one end, extending out of the detection box 1, of the detection tube body 3, and is suitable for exhausting gas entering the detection tube body 3 through a dust bag sample.
In addition, the exhaust duct 4 is provided with a filter structure 5, in this embodiment, the filter structure 5 is a high-efficiency filter membrane, but may be a filter adsorption component such as activated carbon, and the tail end of the exhaust duct 4 is provided with a tail dust removal device 6. The design of filtration 5 can filter the impurity in the exhaust duct 4, and the design of afterbody dust collector 6 can further purify the gas of discharging into atmosphere.
A mixture is also filled in a detection box 1 of the dust removal bag wear-resisting property detection device, and specifically, the mixture is gravel and dust which are mixed according to a proportion.
This application dirt pocket wear resistance detection device's testing process as follows:
cleaning dust on a first dust removal bag sample 81 and a second dust removal bag sample 82 in the dust removal bag samples, weighing the cleaned dust respectively, and recording the weight of the weighed dust respectively as G 1 And G 2 ；
Respectively fixing a first dust pocket sample 81 and a second dust pocket sample 82 on two dust pocket mounting openings 31 of the detection pipe body 3;
mixing gravel and dust according to the use environment of the dust removal bag in a matching manner to form a mixture of gravel and dust;
placing the mixture of the gravel and the dust after proportioning into a detection box 1;
starting the air generating assembly 2, allowing pressurized gas to enter the detection box 1 through the connecting pipe 21 and the fluidizing air cap 22, blowing the mixture by the pressurized gas to rub the first dust bag sample 81 and the second dust bag sample 82, and allowing the mixture of gravel and dust to be in a fluidized state by the fluidizing air cap 22 without depositing on the bottom of the detection box 1;
after passing through the first dust bag sample 81 and the second dust bag sample 82, the pressurized gas enters the exhaust pipeline 4;
then the filtered gas enters a tail dust removal device 6 after being filtered by a filtering structure 5, and is finally removed by the tail dust removal device 6 and then is discharged into the atmosphere;
in the testing process, the blowing head 7 is opened once every 5 minutes, and compressed air performs blowing and cleaning on the dust bag sample once;
after 2 hours, the air production assembly 2 is closed, the first dust removal bag sample 81 and the second dust removal bag sample 82 are taken out, the dust is cleaned, weighing is carried out, and the recorded weights are G 3 And G 4 . The abrasion resistance of the sample was calculated according to the following formula:
where mu is the abrasion resistance index
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of this invention are intended to be covered by the scope of the invention as expressed herein.
Claims (9)
1. The utility model provides a dust excluding bag wear resistance detection device which characterized in that includes:
a detection box (1);
the air generating assembly (2) is communicated with the detection box (1) through a connecting pipe (21) and is suitable for blowing air into the detection box (1);
the detection box comprises a detection pipe body (3), wherein at least one end of the detection pipe body (3) extends into the detection box (1), and a dust bag mounting opening (31) suitable for fixing a dust bag sample is formed in the pipe wall of the detection pipe body (3).
2. The wear-resisting property detection device of dust pocket according to claim 1, characterized in that, at least two fluidization hood (22) are connected to the connecting pipe (21), and a hole extending towards the bottom of the detection box (1) is arranged on the fluidization hood (22) and is suitable for blowing up the mixture in the detection box (1).
3. The dust bag wear resistance detection device according to claim 1, wherein at least two dust bag mounting openings (31) are formed in the detection pipe body (3).
4. A dust pocket wear resistance detection apparatus according to claim 3, wherein at least two dust pocket mounting openings (31) are located on two opposite side walls of the detection pipe body (3).
5. The dust bag wear resistance detection device according to claim 1, further comprising a blowing head (7), wherein the blowing head (7) is located in the detection pipe body (3) and is arranged corresponding to the position of the dust bag mounting port (31), the blowing head (7) is suitable for intermittently blowing gas to a dust bag sample mounted on the dust bag mounting port (31), and the blowing direction of the blowing head (7) is opposite to the direction of the gas in the detection box (1) entering the dust bag sample.
6. The wear-resisting property detection device of dust bag according to claim 5, characterized in that, compressed air pipe (71) for providing blowing gas for the blowing head (7) is connected with the blowing head (7).
7. A dust pocket wear resistance detection device according to claim 1, further comprising an exhaust duct (4), wherein the exhaust duct (4) is communicated with one end of the detection tube body (3) extending out of the detection box (1), and is adapted to exhaust gas entering the detection tube body (3) through the dust pocket sample.
8. The device for detecting the wear resistance of the dust removal bag according to claim 7, wherein a filtering structure (5) is arranged on the exhaust pipeline (4), and a tail dust removal device (6) is communicated with the tail end of the exhaust pipeline (4).
9. A dust bag wear resistance testing apparatus according to any one of claims 1-8, characterized in that the testing box (1) is also filled with gravel and dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221578470.2U CN217561229U (en) | 2022-06-22 | 2022-06-22 | Dust bag wear resistance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221578470.2U CN217561229U (en) | 2022-06-22 | 2022-06-22 | Dust bag wear resistance detection device |
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| CN217561229U true CN217561229U (en) | 2022-10-11 |
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| CN202221578470.2U Active CN217561229U (en) | 2022-06-22 | 2022-06-22 | Dust bag wear resistance detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647430A (en) * | 2024-01-29 | 2024-03-05 | 南通市业发玻纤有限公司 | Glass fiber dust removal bag strength detection device |
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2022
- 2022-06-22 CN CN202221578470.2U patent/CN217561229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647430A (en) * | 2024-01-29 | 2024-03-05 | 南通市业发玻纤有限公司 | Glass fiber dust removal bag strength detection device |
| CN117647430B (en) * | 2024-01-29 | 2024-03-26 | 南通市业发玻纤有限公司 | Glass fiber dust removal bag strength detection device |
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