ELECTROSTATIC DUST REMOVAL DEVICE, ELECTROSTATIC DUST REMOVAL SYSTEM AND DESIGN METHOD OF ELECTROSTATIC DUST REMOVAL DEVICE

Claims

1. An electrostatic dust removal device, characterized in that it includes a dust removal device housing that contains first metal plates, second metal plates, support parts and positioning units; said support portion includes a first support for connection with a first polarity and a second support for connection with a second polarity; said first and second metal plates are arranged parallel to each other and alternate in a first direction, and said first and second supports extend through the first and second metal plates in said first direction; wherein said first support has an electrical connection with said first metal plate, and said second support has an electrical connection with said second metal plate; said positioning unit includes a first positioning part and a second positioning part; said first positioning part is placed on the outside of said first support so that two adjacent first metal plates rest on said first positioning part; said second positioning part is placed on the outside of said second support so that two adjacent second metal plates rest on said second positioning part.

2. An electrostatic dust removal device according to paragraph 1, characterized in that the distance between the two said adjacent first metal plates and the second metal plates in the said first direction is 1.5-2.7 mm; and / or the size of said first metal plate and said second metal plate in the third direction is 55 mm, and said third direction is perpendicular relative to said first direction.

3. An electrostatic dust removal device according to paragraph 1, characterized in that also includes a rib plate that has a through hole passing therethrough in said first direction and a connecting hole; said supporting part passes through said through hole and said connecting hole respectively, and said positioning unit passes through said through hole; the diameter of the said through hole is greater than the outer diameter of the said positioning unit; the diameter of said connecting hole is less than the outer diameter of said positioning unit and greater than or equal to the outer diameter of said support part.

4. An electrostatic dust removal device according to paragraph 3, characterized in that between the two said adjacent first metal plates and the second metal plate in the said first direction a distance w is set; then the difference in the values ​​of the diameter of the specified through hole and the outer diameter of the specified positioning unit will be greater than or equal to w+2 mm.

5. An electrostatic dust removal device according to paragraph 4, characterized in that at least some of the connecting and through holes on the ribs are arranged in an array, wherein in such an array any row and any column of holes are formed by alternating through and connecting holes.

6. An electrostatic dust removal device according to paragraph 5, characterized in that said rib plate is extended in a second direction which is perpendicular to said first direction; the rows of openings in said array extend in said second direction; wherein the array has an even number of rows which are spaced apart in a third direction; said third direction is perpendicular to said second direction; the axial line of said array in said third direction coincides with the axial line of said rib plate in said third direction.

7. An electrostatic dust removal device according to paragraph 6, characterized in that in said third direction in said array, the distance between holes in two adjacent rows is set to a value of d, the size of said rib plate in said third direction is set to a value of D, and the total number of connecting and through holes in said array is n; in particular, .

8. An electrostatic dust removal device according to paragraph 6, characterized in that in the specified second direction in the specified array, the distance between holes in two adjacent columns is specified in the value m; when a pressure of 2 N is applied to a midpoint of said rib plate between two adjacent columns in said first direction, the deformation in said first direction at that midpoint of said rib plate is s; the value of m can be changed repeatedly by repeating the test to obtain the value s = 0.5w; in this state, the distance between the holes in two adjacent columns is m0; thus, in the said second direction in the said array, the actual distance between the holes in two adjacent columns will be m факт ≤m0.

9. An electrostatic dust removal device according to paragraph 5, characterized in that the rib plate has a containing region in which connecting holes and through holes are arranged in the order of the specified array; at each end of the rib plate in the second direction there are sealing zones, wherein the part of the rib plate that does not belong to the sealing zone is a containing region; in each of said sealing zones there is located at least one row of connecting and through holes alternating in the third direction; the distance between the openings of two adjacent rows in said sealing zone in said third direction is half the distance between the openings of two adjacent rows in said containing area.

10. An electrostatic dust removal device according to any one of paragraphs 3-9, characterized in that both the first and second said metal plates are said rib plates, and the second metal plate is a structure in which the first metal plate is turned by (1+2N) ×180°, where N is an integer.

11. An electrostatic dust removal device according to paragraph 1, characterized in that said first positioning portion is a first positioning sleeve, and said second positioning portion is a second positioning sleeve; said positioning unit also includes an adjusting part which is placed on the outside of said support part so that it can be used to adjust the interval between adjacent said first metal plate and second metal plate.

12. An electrostatic dust removal device according to paragraph 11, characterized in that said regulating part includes the following: - a coarse adjustment unit which is mounted on both ends of said dust removal device body in said first direction to compensate for the total tolerance of said positioning unit in said first direction; - an adjusting gasket that is installed between said first metal plate and said first positioning sleeve or between said second metal plate and said second positioning sleeve; - the specified coarse adjustment block and adjustment shim have several size options; - the size of the specified coarse adjustment block in the first direction may be 1 mm, 2 mm, 3 mm, 4 mm or 5 mm; the size of the specified adjustment shim in the first direction may be 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm or 0.5 mm.

13. An electrostatic dust removal device according to claim 1, characterized in that it also includes a protective frame and a control part; said protective frame is installed outside of said dust removal device housing and has an insert groove; said control unit is located inside the insert groove, wherein the first and second supports have an electrical connection with the control part.

14. An electrostatic dust removal device according to claim 13, characterized in that said protective frame includes two main covers, which are installed on both sides of said dust removal device body in said first direction; the ends of the said supporting part are inserted into the two said main covers.

15. An electrostatic dust removal device according to paragraph 1, characterized in that at both ends of said support part in said first direction there are restrictive elements which limit the position of said first metal plate, second metal plate and positioning unit passing through said support part; at least one of the two limiting elements located on one support part has a movable connection with the said support part, which provides the possibility of adjusting the density of the arrangement between the said first metal plate placed on the support part and the said positioning unit and the possibility of adjusting the density of the arrangement between the said second metal plate and the said positioning unit.

16. An electrostatic dust removal device according to claim 14, characterized in that said protective frame also includes an insulating clamp; of the two said supports, the first support is inserted into the said main cover through the said insulating clamp, and the second of the two said supports is inserted into the said main cover directly; and / or said insert groove is located on at least one of said two main covers; and / or the said control part is processed by the method of filling and sealing; and / or said control part includes positive and negative DC output terminals, wherein of the two said supports, the first support has an electrical connection with the said positive DC output terminal, and the second support has an electrical connection with the negative DC output terminal; the voltage between the positive and negative DC output terminals is 12-24 V.

17. An electrostatic dust removal device according to claim 16, characterized in that The specified insulating clamp is manufactured by casting and sealing method; and / or the distance in the first direction from the one of the plates from among the said first metal plates and the said second metal plates, which is closer to the main cover with the installed insulating clamp, to the insulating clamp is greater than or equal to the distance between two adjacent first metal plates and a second metal plate.

18. An electrostatic dust removal device according to claim 14, characterized in that said main cover has a rib that extends in a second direction perpendicular to said first direction and is located between two adjacent said supporting parts; the distance in the first direction from the one of the plates from among the said first metal plates and the said second metal plates, which is closer to the main cover with the said rib, to the said rib itself is less than or equal to 0.8v, where v is the surface velocity of the air flow between two adjacent first metal plates and the second metal plate.

19. An electrostatic dust removal device according to claim 14, characterized in that said protective frame includes side covers that are installed on both sides of said dust removal device body in a second direction, perpendicular to said first direction; in said side cover a protective cavity is arranged in which at least a part of said body of the dust removal device is placed; There is a gap between the said side cover and the said dust removal device body to prevent current leakage along the surface.

20. An electrostatic dust removal device according to paragraph 19, characterized in that the side cover includes a shutter and two connecting plates that are connected to each other; said two connecting plates are located on one side of the shutter in a second direction, and in a third direction are connected respectively to two ends of said shutter so that the side plate forms a protective space around them; said third direction is perpendicular with respect to said first and second directions; and / or said side cover is connected to said main cover by means of said connecting plates.

21. An electrostatic dust removal device according to claim 20, characterized in that the size of said connecting plate in said second direction is set to a value of c, the minimum distance in said second direction from said damper to said dust removal device body has a value of z, the surface velocity of the air flow between said first metal plate and said second metal plate has a value of v, and the distance between two adjacent said first metal plate and said second metal plate in said first direction has a value of w; where c≥z+1.5v, while z≥1.5w.

22. The electrostatic dust removal device according to claim 1, characterized in that the gap between two adjacent said first and second metal plates, with the exception of said support part and said positioning unit, is a hollow structure.

23. An electrostatic dust removal system, characterized in that it includes an electrostatic dust removal device according to any one of paragraphs 1-22.

24. The electrostatic dust removal system according to paragraph 23, characterized in that it also includes an electrostatic discharge device that is installed separately from the said electrostatic dust removal device.

25. An electrostatic dust removal system according to claim 24, characterized in that said electrostatic discharge device is a needle discharger, a carbon brush discharger, or an electrode wire discharger.

26. A method for designing an electrostatic dust removal device, characterized by the fact that it includes the following sequence: - determining the size of the rib plates of the said electrostatic dust removal device, determining the size of the said rib plates in the second and third directions; - determining the position of the openings in the containing region of said rib plate so that they form an array within said containing region, wherein any row and any column within said containing region must be formed by alternating first and second openings; based on the size of said rib plate, confirming the number of rows and the number of columns of openings in said containing region and confirming the distance between the openings of each row and each column; - designing a structure of a dust removal device housing, wherein said rib plate is divided into a first metal plate and a second metal plate so that the second metal plate is a structure in which the first metal plate is turned over by (1+2N)×180°, where N is an integer; said first and second metal plates are arranged parallel to each other and alternate in a first direction, and a support portion through said first and second openings in said first direction passes through said first and second metal plates, wherein a positioning unit is put on the outside of said support portion so that it creates a support for two adjacent said first metal plates or two adjacent said second metal plates, as a result of which said dust removal device housing is formed; - determining the size of the support part, the positioning unit, the diameter of said first opening and the diameter of said second opening of said electrostatic dust removal device; determining the dimensions of said support part and said positioning unit in a first direction so that the diameter of said first opening is greater than the outer diameter of the positioning unit, and the diameter of said second opening is less than the outer diameter of said positioning unit and is greater than or equal to the outer diameter of the support part; - design of the protective frame structure; based on the dimensions of the dust removal device housing, determining the design and dimensions of the protective frame that can be installed outside the said dust removal device housing.

27. A method for designing an electrostatic dust removal device according to paragraph 26, characterized in that the actual distance between rows of holes and between columns of holes in the specified array is m факт ≤m0; , where D is the size of said rib plate in said third direction; n is the total number of first and second openings in said array; m0 is the distance between openings in two adjacent columns within the containing region when a pressure of 2 N is applied to the midpoint of said rib plate between two adjacent columns in said first direction, and the deformation in said first direction at that midpoint of said rib plate is s=0.5w.

28. The method for designing an electrostatic dust removal device according to claim 26, characterized in that the sequence of actions after determining the position of the openings in the containing region of said rib plate also includes designing a compaction zone, when at least one column of said first and said second openings alternating in a third direction is designed at two ends of said rib plate in a second direction so that the distance between the openings in the rows in said compaction zone is half the distance between the openings in the rows of said containing region.