CN210138544U - Dust-containing steam purification device - Google Patents
Dust-containing steam purification device Download PDFInfo
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- CN210138544U CN210138544U CN201920835903.XU CN201920835903U CN210138544U CN 210138544 U CN210138544 U CN 210138544U CN 201920835903 U CN201920835903 U CN 201920835903U CN 210138544 U CN210138544 U CN 210138544U
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Abstract
The utility model discloses a dust-laden steam purification device, the device includes: the filter plate is positioned in the vertical pipeline, the inner space of the vertical pipeline is defined into an upper space and a lower space by the filter plate, and dust in steam flowing from the lower space to the upper space is filtered by a filter structure of the filter plate; and a rotatable scraper is arranged close to the lower surface of the filter plate and rotates along the lower surface so as to scrape and brush the lower surface of the filter plate. The utility model discloses a filter plate that sets up in vertical pipe filters dusty steam to but use the rotary scraper to strike off the filter plate bottom by the mud cake that dust and steam condensate formed simultaneously, need not extra heat preservation, companion's heat energy consumption, can reach the incessant formula of dust below the diameter 1 micron and filter, promote the purification efficiency to dusty steam in order to guarantee the filter plate to the filter capacity that dusty steam lasts.
Description
Technical Field
The utility model relates to a dust removal purification technical field of dirty steam, in particular to dirty steam purification device.
Background
China is a country with less oil and more coal, the utilization of coal is the key point of the development of the energy industry in China, and coal gasification is widely applied in recent years as a clean coal utilization technology. At present, in the whole process flow, the problem of large dust content in steam is faced when low-pressure saturated steam generated in the coal gasification process is treated, although large-particle dust is washed away after early washing, a large amount of fine powder with the diameter of less than 1 micron still remains in the steam, because the saturation temperature of the steam is low, particularly after multi-stage flash evaporation or heat exchange, the saturation temperature of the steam is even reduced to be less than 100 ℃, so that the whole process flow can be condensed everywhere, and when the conditions occur, a large amount of dust carried in the steam can be adsorbed in the condensate to form slurry and mud cakes, and the slurry and mud cakes are attached to pipelines, heat exchangers and air coolers, so that the blockage of equipment is caused, and the frost cracking of the pipelines can be caused for a long time.
For several dust removal processes commonly used in industry, such as cyclone dust removal, electrostatic dust removal, cloth bag dust removal and the like, the steam dust removal process is not suitable for the steam dust removal under the working condition. Firstly, the cyclone dust removal efficiency is low, the cyclone dust removal effect is obvious for large-particle dust, the efficiency for treating fine powder with the diameter of less than 1 micron is low, the pair of dust-containing steam entering the cyclone dust removal device from the tangential direction can also generate strong scouring on equipment, and the dust removal device is often worn and leaked after being used for several months. Secondly, for electrostatic dust collection, although the electrostatic dust collection can filter fine powder with a relatively low diameter, the electrostatic dust collection has strict requirements on the resistance of the dust, and once the condensation of steam causes the change of the humidity of gas, the change of the resistance of the dust can be caused, so that the electrostatic dust collection cannot work. Finally, for the bag-type dust collector, the core principle is that the bag is utilized to filter and adsorb dust, then the dust is knocked and blown back by high-pressure gas, but because steam is very easy to condense in the bag, a large amount of dust can be bonded to the bag, and the equipment cannot work normally. Although some chemical enterprises add heat tracing and insulating layers on the outer surface of the bag-type dust collector to prevent steam from condensing, the steam is not reasonable from the aspect of energy utilization because the steam is finally condensed into liquid and recycled, and the heat input in the dust removal link is finally exchanged through cooling, so that double losses of energy consumption are caused.
Disclosure of Invention
An object of the embodiment of the utility model is to provide a dirty steam purification device, the device filters dirty steam through the filter plate that sets up in vertical pipe to use rotatable scraper to strike off the filter plate bottom by the mud cake of dust and steam condensate formation simultaneously, need not extra heat preservation, accompany the heat energy consumption, can be in order to guarantee the filter capacity that the filter plate lasts to dirty steam, reach the incessant formula of dust below the 1 micron of diameter and filter, promote the purification efficiency to dirty steam.
In order to solve the technical problem, the embodiment of the application adopts the following technical scheme: a dust-laden vapor purification apparatus comprising: the filter plate is positioned in the vertical pipeline, the inner space of the vertical pipeline is defined into an upper space and a lower space by the filter plate, and dust in steam flowing from the lower space to the upper space is filtered by a filter structure of the filter plate; and a rotatable scraper is arranged on the lower surface close to the filter plate and rotates along the lower surface to scrape and brush the lower surface of the filter plate.
Preferably, the method further comprises the following steps: run through in the vertical pipe, and wear to establish the main shaft of filter plate, rotatable scraper with the main shaft is connected, and is received the main shaft drive rotatable scraper is rotatory.
Preferably, the rotatable scraper is adjustably connected to the spindle.
Preferably, the method further comprises the following steps: and the driving assembly is connected with the upper end part of the main shaft and is used for driving the main shaft to rotate.
Preferably, the driving assembly includes: the driving assembly is connected with the end part above the main shaft through the second coupler.
Preferably, the method further comprises the following steps: locate the collection mechanism of vertical pipe bottom, wherein, collection mechanism includes: the vertical pipeline scraping brush comprises a rotatable scraping plate and a spiral structure, wherein the rotatable scraping plate is used for scraping and brushing the bottom of a vertical pipeline, and the spiral structure is used for collecting and discharging slurry scraped and brushed by the rotatable scraping plate.
Preferably, the rotatable scraper and the spiral structure are both connected with the main shaft, and the rotatable scraper is arranged above the spiral structure.
Preferably, the filter plate is fixed in the vertical pipe through a rubber ring.
Preferably, the filter plate is a ceramic plate.
Preferably, the method further comprises the following steps: and the spraying assembly is arranged in the vertical pipeline and is used for cleaning the filter plate.
The embodiment of the utility model provides a beneficial effect lies in: filter dusty steam through the filter plate that sets up in vertical pipe to use rotatable scraper to strike off the filter plate bottom by the mud cake of dust and steam condensate formation simultaneously, need not extra heat preservation, companion's heat energy consumption, can reach the incessant formula of dust below the diameter 1 micron and filter, promote the purification efficiency to dusty steam in order to guarantee the filter plate to the filter capacity that dusty steam lasts.
Drawings
FIG. 1 is a schematic structural view of a dust-containing vapor purification device according to an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of the embodiment of the present invention in which a rubber ring is used to fix the filter plate.
Description of the reference numerals
1-drive motor 2-first coupling
3-speed reducer 4-second coupling
5-seal 6-spindle
7-rubber ring 8-filter plate
9-rotatable scraper 10-rotatable scraper
11-screw assembly 12-mud outlet
Detailed Description
Various aspects and features of the present application are described herein with reference to the drawings.
It will be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with a general description of the application given above and the detailed description of the embodiments given below, serve to explain the principles of the application.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the application of unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
An embodiment of the utility model provides a dirty steam purification device mainly installs in vertical pipe for carry out the filtration of dirty steam. The device mainly comprises a filter plate positioned in a vertical pipeline, wherein the filter plate is preferably placed in the middle of the vertical pipeline and used for defining an upper space and a lower space from the inner space of the vertical pipeline, an air inlet of dust-containing steam is communicated with the lower space, so that the dust-containing steam flows from the lower space to the upper space after entering the vertical pipeline, dust in the steam is filtered through a filter structure inside the filter plate when passing through the filter plate, and the filtered steam is discharged from an air outlet communicated with the upper space through the upper space.
In order to guarantee the continuation of filter plate filter effect, prevent to carry out the shutoff because of mud or the mud cake that dust and steam lime set formed to the filter plate lower surface, and then influence the filter effect of filter plate, dirty steam purification device still includes rotatable scraper, this rotatable scraper sets up in the position that is close to the filter plate lower surface, it scrapes the brush to rotate in order to scrape the filter plate lower surface along the filter plate lower surface when rotatory, strike off mud or the mud cake that the filter plate lower surface formed, guarantee the filter effect and the sustainability of filter plate, and then promote the overall efficiency that dirty steam purified the flow.
Fig. 1 is a schematic structural diagram of the dust-containing steam purification apparatus provided in this embodiment, and as can be seen from fig. 1, the filter plate 8 is disposed in the vertical pipe, and a rotatable scraper 9 is disposed at a position close to the lower surface of the filter plate, so that dust-containing steam enters from the air inlet, flows from the lower space to the upper space of the vertical pipe in the direction of the arrow, and is finally discharged from the air outlet. Further, in the present embodiment, a main shaft 6 penetrating through the vertical pipe and passing through the filter plate 8 is further provided, and the rotatable scraper 9 is connected to the main shaft 6 and driven by the main shaft 6 to rotate, and the rotation direction thereof may be counterclockwise in the direction indicated by the arrow in the figure or clockwise in the direction opposite to the arrow in fig. 1, which is not limited herein. Preferably, the rotatable scraper 9 is adjustably connected to the main shaft 6, such as by means of a bolt, to facilitate adjustment of the distance between the rotatable scraper 9 and the filter plate 8 according to the thickness of the slurry. It should be understood that if the distance between the rotatable scraper 9 and the filter plate 8 is 0, the rotatable scraper 9 may uniformly smear the slurry or mud cake adhered to the lower surface of the filter plate 8 on the lower surface of the filter plate 8, which may greatly damage the filtering performance of the filter plate 8, and therefore, in the present embodiment, the distance between the rotatable scraper 9 and the filter plate 8 is preferably 1 mm, so that the scraping and brushing operation of the slurry solidified on the lower surface of the filter plate may be achieved.
The upper end of the main shaft 6 is connected with a driving assembly for driving the main shaft 6 to rotate, and the rotating speed of the rotatable scraper 9 in the embodiment is preferably set to be 1 to 10 revolutions per minute, so that the rotatable scraper 9 is easily idle, and power resources are wasted. Therefore, the driving assembly comprises a driving motor 1, a first coupler 2, a speed reducer 3 and a second coupler 4 which are sequentially connected, wherein the driving motor 1 can use a standard motor, the higher rotating speed output by the driving motor is reduced by the speed reducer 3, the rotating speed finally output is 1-10 revolutions per minute, and the rotating speed requirement of the rotatable scraper 9 is met. Meanwhile, in order to ensure that the driving motor 1 and the speed reducer 3 are connected stably, the problem of unstable operation of the device caused by the conditions that the sizes of the joints between the components are not in accordance or cannot be completely matched is solved, the driving motor 1 and the speed reducer 3 are connected through the first coupler 2, the speed reducer 3 and the main shaft 6 are connected through the second coupler 4, the motor and the load carried by the motor are connected through the couplers, the operation stability of the device can be improved, the situation that the components are damaged when the transmission torque is overlarge due to the fact that the two end parts of the couplers are abnormal in the operation process can be prevented, and overload protection is realized.
Due to the poor flowability of the slurry or cake formed by the dust and steam condensate, the slurry or cake may adhere to the walls of the pipe or accumulate at the bottom of the pipe and cannot be discharged even if it is scraped off from the lower surface of the filter plate 8. As shown in fig. 1, in the present embodiment, a slurry outlet 12 is provided at the bottom of a vertical pipe, the bottom of the vertical pipe and the slurry outlet 12 are connected through a section of inverted conical pipe, and the slurry can slide downward along the curved surface of the inverted conical pipe and is finally discharged through the arrangement of the inverted conical pipe, but due to the poor fluidity of the slurry or mud cake, the slurry can be accumulated on the inner wall of the inverted conical pipe even if the inverted conical pipe is used, so a collecting mechanism is provided in the vertical pipe above the slurry outlet 12, the collecting mechanism mainly includes a rotatable scraper 10 and a spiral structure 11, the rotatable scraper 10 is arranged above the spiral structure 11, the rotatable scraper 10 is mainly used for scraping the bottom of the inverted conical pipe, and then the slurry scraped by the rotatable scraper 10 is collected and discharged through the spiral structure 11.
Preferably, according to the content shown in fig. 1, the rotatable scraper 10 and the spiral structure 11 may also be connected to the main shaft 6, and the main shaft 6 drives the rotatable scraper 10 and the spiral structure 11 to rotate together, so that no extra driving device is required to be provided for the rotatable scraper 10 and the spiral structure 11, and power resources may be further saved.
In order to achieve a better dust filtering effect, the filtering precision of the filter plate 8 can be adjusted according to the size of dust, in this embodiment, dust contained in the dust-containing steam is mainly fine particles with the diameter of less than 1 micron, therefore, in this embodiment, a ceramic plate with the filtering precision of 0.5 micron is preferably used as the filter plate to achieve a good dust filtering effect. In addition, under the normal condition, the pipeline is a cylindrical pipeline, and the shape of the filter plate 8 is suitable to use a circular ceramic plate correspondingly, wherein the fixing mode of the filter plate 8 and the vertical pipeline can be welding bracket fixing or rubber ring fixing, the welding bracket fixing mode is that an annular bracket is welded on the inner wall of the pipeline, and the filter plate 8 is placed on the annular bracket; the rubber ring is fixed in a way that a rubber ring 7 with a concave part is bonded on the inner wall of the pipeline, and a filter plate 8 is arranged in the concave part of the rubber ring, as shown in figure 2. In this embodiment, the rubber ring is preferably used to fix the filter plate 8, which can fix the filter plate 8, and the rubber ring 7 has elasticity and a certain sealing effect to prevent the steam to be filtered from escaping from the gap between the filter plate 8 and the pipe wall.
Preferably, in order to prevent filtered steam from escaping from the gap between the main shaft 6 and the upper duct opening of the vertical duct, the main shaft 6 and the upper duct opening of the vertical duct are sealed by a sealing member 5 in this embodiment, as shown in fig. 1, the sealing member 5 may be, but is not limited to, any one of the following: the specific sealing member used can be determined according to actual conditions, such as a packing sealing member, a labyrinth sealing member, an O-shaped ring sealing member and the like.
In addition, because the amount of dust carried by steam is unstable, the embodiment can preferably adopt a variable frequency motor for driving, when the amount of filtered dust is increased, the rotating speed of the driving motor 1 can be increased, and meanwhile, the rotating speeds of the rotatable scraper 9, the rotatable scraper 10 and the spiral structure 11 are correspondingly increased, so that under the condition that the amount of mud formed after being filtered by the filter plate 8 is increased, the mud can be scraped, collected and discharged in time, and the purifying capacity of the purifying device is increased. In addition, the dust-containing device provided in the above embodiment can be directly installed inside the original pipeline, and the pipeline is not required to be additionally transformed, and the sizes of the corresponding filter plate 8, the rotatable scraper 9 and the rotatable scraper 10 are adjusted only for pipelines with different diameters. Meanwhile, in order to further improve the purification capacity of the purification apparatus and reduce the resistance of the apparatus, it is preferable that the diameter of the vertical pipe is greater than or equal to 300 mm.
After the purification device provided by the embodiment is used for a long time, the filtering structure inside the filter plate 8 may be blocked due to long-time uncleaning, and the filtering capacity may be reduced, so that the steps of removing and cleaning the filter plate 8 from the vertical pipe are complicated. In order to solve the problem of cleaning the filter plates 8, the dust-containing vapor purification device provided by the present embodiment may further include a spray assembly (not shown in fig. 1) installed inside the vertical pipe for cleaning the filter plates 8. Because filtration in the filter plate is very tiny, can not reach its inside abluent effect of filtration through conventional washing, consequently the preferred steam that uses after the atomizing washs the filter plate, can also reach better cleaning performance through the spun pressure that increases spray assembly. In addition, the spraying assembly can be arranged on the inner wall of the lower space of the vertical pipeline and sprays the lower surface of the filter plate from bottom to top, or the spraying assembly can be arranged on the inner wall of the upper space of the vertical pipeline and sprays the upper surface of the filter plate from top to bottom, and the specific installation position is determined according to the actual size of the vertical pipeline.
The filter plate that sets up in vertical pipe filters dusty steam to use rotatable scraper to strike off the filter plate bottom by the mud cake of dust and steam condensate formation simultaneously, need not extra heat preservation, companion's heat energy consumption, can reach the incessant formula of dust below the diameter 1 micron and filter, promote the purification efficiency to dusty steam in order to guarantee the filter plate to the filter capacity that dusty steam lasts.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (10)
1. A dust-laden vapor purification apparatus, comprising:
the filter plate is positioned in the vertical pipeline, the inner space of the vertical pipeline is defined into an upper space and a lower space by the filter plate, and dust in steam flowing from the lower space to the upper space is filtered by a filter structure of the filter plate;
and a rotatable scraper is arranged on the lower surface close to the filter plate and rotates along the lower surface to scrape and brush the lower surface of the filter plate.
2. A dust-laden vapor cleaning apparatus as claimed in claim 1, further comprising:
run through in the vertical pipe, and wear to establish the main shaft of filter plate, rotatable scraper with the main shaft is connected, and is received the main shaft drive rotatable scraper is rotatory.
3. A dust laden vapor cleaning apparatus according to claim 2, wherein the rotatable scraper is adjustably connected to the spindle.
4. A dust-laden vapor cleaning apparatus as claimed in claim 2, further comprising:
and the driving assembly is connected with the upper end part of the main shaft and is used for driving the main shaft to rotate.
5. A dust laden vapor cleaning apparatus as claimed in claim 4, wherein the drive assembly comprises: the driving assembly is connected with the end part above the main shaft through the second coupler.
6. A dust-laden vapor cleaning apparatus as claimed in claim 2, further comprising:
locate the collection mechanism of vertical pipe bottom, wherein, collection mechanism includes: the vertical pipeline scraping brush comprises a rotatable scraping plate and a spiral structure, wherein the rotatable scraping plate is used for scraping and brushing the bottom of a vertical pipeline, and the spiral structure is used for collecting and discharging slurry scraped and brushed by the rotatable scraping plate.
7. A dust-laden steam cleaning apparatus according to claim 6, wherein the rotatable scraper and the helical structure are both connected to the main shaft, and the rotatable scraper is disposed above the helical structure.
8. A dusty vapor purification apparatus according to claim 1, wherein the filter plate is secured within the vertical pipe by a rubber ring.
9. A dust-laden steam cleaning apparatus according to claim 1, wherein the filter plate is a ceramic plate.
10. A dust-laden steam cleaning apparatus as claimed in any one of claims 1 to 9, further comprising:
and the spraying assembly is arranged in the vertical pipeline and is used for cleaning the filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835903.XU CN210138544U (en) | 2019-06-04 | 2019-06-04 | Dust-containing steam purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835903.XU CN210138544U (en) | 2019-06-04 | 2019-06-04 | Dust-containing steam purification device |
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| CN210138544U true CN210138544U (en) | 2020-03-13 |
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| CN201920835903.XU Active CN210138544U (en) | 2019-06-04 | 2019-06-04 | Dust-containing steam purification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974726A (en) * | 2020-08-31 | 2020-11-24 | 合肥江海智慧泵站数据科技有限责任公司 | Ash discharging device of quenching pump station |
| CN113663502A (en) * | 2021-08-24 | 2021-11-19 | 航天环境工程有限公司 | Novel SDA reaction tower and application |
-
2019
- 2019-06-04 CN CN201920835903.XU patent/CN210138544U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974726A (en) * | 2020-08-31 | 2020-11-24 | 合肥江海智慧泵站数据科技有限责任公司 | Ash discharging device of quenching pump station |
| CN113663502A (en) * | 2021-08-24 | 2021-11-19 | 航天环境工程有限公司 | Novel SDA reaction tower and application |
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