CN108547143B - Electrostatic electret device of filter material - Google Patents
Electrostatic electret device of filter material Download PDFInfo
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- CN108547143B CN108547143B CN201810312693.6A CN201810312693A CN108547143B CN 108547143 B CN108547143 B CN 108547143B CN 201810312693 A CN201810312693 A CN 201810312693A CN 108547143 B CN108547143 B CN 108547143B
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- 239000000463 material Substances 0.000 title claims abstract description 57
- 239000004744 fabric Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 16
- 230000003068 static effect Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005685 electric field effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
Abstract
The invention discloses a filtering material electrostatic electret device, which comprises a rack, a case, a thermal circulation mechanism, a mounting frame, a plurality of electrostatic grounding cloth guide rollers, a high-voltage electrostatic generator, a plurality of electret plates and discharge needles, wherein the case is fixedly arranged on the rack, one end of the case is provided with an opening, the thermal circulation mechanism is arranged on the case and is used for conveying hot air into the case, the mounting frame is arranged on the case, the electrostatic grounding cloth guide rollers are arranged on the mounting frame in rows, the high-voltage electrostatic generator is arranged on the rack, the electret plates are arranged on the mounting frame in a net shape, the discharge needles are arranged at the net-shaped intersection positions of the electret plates, the electret plates are respectively connected with the positive electrodes of the high-voltage electrostatic generator through wires, the electrostatic; has the effects of improving the filtering efficiency of the filtering material and reducing the resistance of the filtering material.
Description
Technical Field
The invention relates to the technical field of processing equipment of a filtering material, in particular to an electrostatic electret device of the filtering material.
Background
Electrostatic electrets, electret in short, refer to dielectric materials that are capable of storing space charge and dipolar charge for long periods of time, i.e., their charge decay time constant is much longer than the period over which an electret is formed, as viewed over a time span. The charge of the electret may be a true charge (or space charge), a dipole charge, or both. The electret air filter material is used for collecting dust particles by the action of electrostatic force of electric charges.
At present, the electret method mainly comprises an electrostatic spinning method, a corona discharge method, a friction electrification method, a thermal polarization method, a low-energy electron beam bombardment method and the like; because of different electrostatic electret methods (processes) of the materials, the properties of the formed electrets are also different, and the products obtained by the electrostatic electret processing of the filter materials by the traditional equipment still have the defects of low filter efficiency and high resistance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the electrostatic electret device of the filter material, which has the effects of improving the filtering efficiency of the filter material and reducing the resistance of the filter material.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a filter material static electret device, includes the frame, fixes to set up in the frame and one end set up open-ended quick-witted case, set up be used for on the quick-witted case carry hot-blast thermal cycle mechanism, set up mounting bracket on quick-witted case, a plurality of root form in a row set up static ground fabric guide roller on the mounting bracket, set up high voltage static generator in the frame, many become netted electret plate that sets up on the mounting bracket and set up the discharge needle in electret plate netted intersection, electret plate is connected through the positive pole of wire with high voltage static generator respectively, static ground fabric guide roller is connected through wire and high voltage static generator's negative pole respectively, and is provided with metal filters at the opening part of machine case.
According to the arrangement, the filtering material is conveyed in the mounting frame through the electrostatic grounding cloth guide roller, the negative electrode of the high-voltage electrostatic generator is connected with the electrostatic grounding cloth guide roller, meanwhile, the positive electrode of the high-voltage electrostatic generator is connected with the electret plate, 10-20 ten thousand volts of voltage static electricity is released through the discharge needles, and the high-voltage static electricity penetrates through the filtering material and is conveyed to the electrostatic grounding cloth guide roller, so that the electrostatic electret effect of the filtering material is achieved; meanwhile, the electrostatic grounding cloth guide roller is grounded to conduct most of voltage; meanwhile, hot gas generated in the case when the filter material is subjected to electrostatic column electrode regeneration is transmitted to the upper part of the filter screen through the thermal circulation mechanism, so that the filter material is in a certain stable range, the thermal circulation mechanism has certain fluidity to fibers in the filter material, the effect of the high-voltage electrostatic generator on the electrostatic column electrode of the filter material is improved, and the filter efficiency of the filter material is improved and the resistance of the filter material is reduced; the metal filter screen plays a certain role in filtering, and meanwhile, the high-voltage static generator enables high-voltage static released by each discharge needle to be equal through net arrangement by the metal filter screen, an electric field effect is generated, and the static column pole time and the quality of the static column pole on the filtering surface are improved.
Further setting: heating wires are uniformly arranged on the inner side wall of the case along the height direction.
According to the arrangement, the heating wires are arranged in the case, and then the hot air in the case is blown to the area range of the conveying of the filter material through the filter screen by the heat circulation mechanism, so that the hot air flowability in the case is improved.
Further setting: the adjacent electret plates are arranged at equal intervals, and the discharge needles on the adjacent electret plates are arranged in a staggered manner.
So set up, in filtering material transportation process, improve the homogeneity that the discharge needle releases static.
Further setting: the high-voltage electrostatic generator comprises a constant current controller, a high-voltage power supply and a front-end controller which are respectively arranged on the rack and connected through a lead.
According to the arrangement, the constant current controller is used for conveying 20 milliamperes of current, then certain power is kept through the front-end controller, so that a high-voltage power supply of the high-voltage power supply can generate a larger power supply, and the power supply is conveyed to the electret plate and the discharge needles, so that the effects of small current and large voltage are realized.
Further setting: the mounting bracket including set up in the fixed plate of quick-witted case both sides and with the regulating plate that the both ends of static ground connection fabric guide roller are connected, the regulating plate slides towards the direction of quick-witted case and sets up on the fixed plate, just is in be provided with between fixed plate and the regulating plate and be used for locking the locking Assembly on the mounting panel with the fixed plate.
So set up, through setting the mounting bracket to fixed plate and regulating plate, slide on being in the fixed plate through with the regulating plate, it is fixed with both through locking Assembly again, reach the effect of adjusting the distance between static ground connection fabric guide roller and the discharge needle, improve filtering material static electret effect.
Further setting: the locking assembly comprises a rack arranged on the adjusting plate, a gear rotationally connected with the fixing plate and a locking piece used for locking the gear to rotate.
So set up, through adjusting gear rack, and then drive the regulating plate that links to each other with the rack and be in the fixed plate and slide, the purpose on the fixed plate is locked with the regulating plate to rethread retaining member.
Further setting: the retaining member includes the ratchet with gear connection, with ratchet matched with pawl and one end and fixed plate fixed connection, the one end fixed connection's of the other end and pawl return spring, the ratchet is through rotating pivot and the gear fixed connection of being connected with the fixed plate, the pawl rotates with the fixed plate through the fixed pin that sets up on the fixed plate and is connected, and the other end of pawl passes through return spring's effort and the ratchet joint on the ratchet.
The ratchet wheel is tightly clamped on the pawl connected with the other end of the return spring by utilizing the return action of the return spring on the fixing plate, so that the ratchet wheel is locked to rotate in a single direction; when the distance between the discharge needle and the electrostatic grounding cloth guide roller needs to be adjusted, the ratchet on the ratchet wheel rotates by rotating the ratchet wheel, the pawl moves outwards along with the ratchet on the ratchet wheel to enable the return spring at the other end of the pawl to be compressed, the pawl rotates relative to the fixed plate through the fixing pin, when the pawl passes through one ratchet, the pawl at the end is clamped between the adjacent ratchets again under the action of the return spring at the other end, the effect of locking the pawl to rotate in a single direction is achieved, and meanwhile, the pawl can rotate relative to the fixed plate through the rotation of the gear in the other direction.
Further setting: a rotating handle for rotating the ratchet wheel is fixedly arranged on the axis of the ratchet wheel, and the rotating shaft is arranged in a Z shape.
So set up, through the one end of rotating the hand, make the ratchet of being connected with it with the other end of rotating the hand rotate, reach the effect of being convenient for adjust the ratchet through controlling the hand.
Further setting: the adjustable adjusting plate is characterized in that a sliding groove is formed in the fixing plate, and a guide sliding block is arranged on the adjusting plate and is arranged in the sliding groove and connected with the fixing plate in a sliding mode.
So set up, slide in the spout through making the direction slider, realize that the regulating plate is in the fixed plate on directional gliding effect, stability when improving the regulation.
By adopting the technical scheme, compared with the prior art, the invention has the following advantages:
1. the thermal circulation mechanism is used for enabling the filter material to have certain fluidity to fibers in the filter material, so that the effect of the high-voltage electrostatic generator on the electrostatic column of the filter material is improved, the filtering efficiency of the filter material is improved, and the resistance of the filter material is reduced;
2. the application performance of the electrostatic electret of the filter material is improved by adjusting the distance between the electrostatic grounding cloth guide roller and the discharge needle;
3. through the metal filter screen, the high-voltage electrostatic generator generates an electric field effect when releasing high-voltage static electricity between the discharge needle and the metal filter screen, and improves the time of the electrostatic column and the quality of the electrostatic column on the filter surface.
Drawings
FIG. 1 is a schematic structural diagram of an electrostatic electret device of filter material;
FIG. 2 is a schematic structural diagram of a case and a heating wire in the electrostatic electret apparatus for filter material;
FIG. 3 is a schematic diagram of a electret plate and discharge needles in an electrostatic electret device of filter material;
FIG. 4 is a partial cross-sectional view of a filter material at a high voltage electrostatic generator in an electrostatic electret apparatus;
FIG. 5 is an enlarged view, partially in section, of the filter material at the locking assembly in the electrostatic electret;
fig. 6 is a cross-sectional view of a filter material electrostatic electret.
In the figure: 1. a frame; 2. a chassis; 21. an opening; 3. a filter screen; 4. a thermal cycling mechanism; 5. a mounting frame; 51. a fixing plate; 52. an adjusting plate; 53. a chute; 54. a guide slider; 6. an electrostatically grounded cloth guide roller; 7. a high voltage electrostatic generator; 71. a constant current controller; 72. a high voltage power supply; 73. a front-end controller; 8. standing the polar plate; 9. a discharge needle; 10. a locking assembly; 101. a rack; 102. a gear; 103. a locking member; 104. a ratchet wheel; 105. a pawl; 106. a return spring; 107. a rotating shaft; 108. a fixing pin; 109. turning the hand; 112. a heating wire.
Detailed Description
The electrostatic electret device of filter material is further described with reference to fig. 1 to 6.
Example 1: a filtering material electrostatic electret device is shown by combining a figure 1, a figure 2 and a figure 3, and comprises a frame 1, a case 2 which is fixedly arranged on the frame 1 and one end of which is provided with an opening 21, a metal filter screen 3 which is covered at the opening 21 of the case 2, a thermal circulation mechanism 4 which is arranged on the case 2 and is used for conveying hot air into the case 2, a mounting frame 5 which is erected on the case 2, a plurality of electrostatic grounding cloth guide rollers 6 which are rotatablely arranged on the mounting frame 5 in a row shape, a high-voltage electrostatic generator 7 which is fixedly arranged on the frame 1, a plurality of electret plates 8 which are fixedly arranged on the mounting frame 5 in a net shape and discharge needles 9 which are fixedly arranged at the net-shaped; the electret plates 8 are respectively connected with the positive pole of the high-voltage electrostatic generator 7 through leads, and the electrostatic grounding cloth guide roller 6 is respectively connected with the negative pole of the high-voltage electrostatic generator 7 through leads.
As shown in fig. 4, the high voltage electrostatic generator 7 includes a constant current controller 71, a high voltage power supply 72, and a front end controller 73, which are respectively disposed on the rack 1 and connected by a wire.
As shown in fig. 1, adjacent electret plates 8 are arranged at equal intervals, and the discharge needles 9 on the adjacent electret plates 8 are arranged in a staggered manner.
As shown in fig. 4, the mounting frame 5 includes fixing plates 51 fixedly installed at both sides of the cabinet 2 and an adjusting plate 52 rotatably connected to both ends of the electrostatic grounding cloth guide roller 6. The adjusting plate 52 is slidably disposed on the fixing plate 51 in a reciprocating manner in a direction of the cabinet 2, and a locking assembly 10 for locking the fixing plate 51 to the mounting plate is disposed between the fixing plate 51 and the adjusting plate 52.
As shown in fig. 5, the locking assembly 10 includes a rack 101 provided on the adjustment plate 52, a gear 102 rotatably coupled to the fixed plate 51, and a locking member 103 for locking the gear 102 to rotate.
Referring to fig. 1 and 5, the locking member 103 is a ratchet 104 and pawl 105 mechanism, and includes a ratchet 104 coaxially and fixedly connected to the gear 102, a pawl 105 engaged with the ratchet 104, and a return spring 106 having one end fixedly connected to the fixing plate 51 and the other end fixedly connected to one end of the pawl 105; the ratchet wheel 104 is fixedly connected with the gear 102 through a rotating shaft 107 which is rotatably connected with the fixed plate 51, the pawl 105 is rotatably connected with the fixed plate 51 through a fixing pin 108 arranged on the fixed plate 51, and the other end of the pawl 105 is clamped with the ratchet on the ratchet wheel 104 through the acting force of the return spring 106; the pawl 105 is urged to be clamped with the ratchet on the ratchet wheel 104 by the return acting force of the return spring 106, so that the ratchet wheel 104 is locked, the gear 102 can be fixed, and the purpose of fixing the adjusting plate 52 on the fixing plate 51 is achieved.
As shown in fig. 5, in order to facilitate adjustment of the ratchet 104, a rotating handle 109 for rotating the ratchet 104 is fixedly disposed on the axial line of the ratchet 104, and the rotating shaft 107 is disposed in a zigzag shape, and has one end fixedly connected to the ratchet 104 and the other end serving as an operating end. Meanwhile, a sliding groove 53 is formed in the fixed plate 51, a guide sliding block 54 is arranged on the adjusting plate 52, and the guide sliding block 54 is slidably arranged in the sliding groove 53 to realize the directional sliding effect of the adjusting plate 52 on the fixed plate 51.
As shown in fig. 2 and 6, the heating wires 112 are uniformly arranged on the inner side wall of the cabinet 2 in the height direction; the heat circulation mechanism 4 is a heat blower.
The working principle is as follows: the adjusting plate 52 is positioned on the fixing plate 51 to slide, so that the effect of adjusting the distance between the electrostatic grounding cloth guide roller 6 and the discharge needles 9 is achieved, and the electrostatic electret effect of the filter material is improved; the negative pole of the high-voltage electrostatic generator 7 is connected with the electrostatic grounding cloth guide roller 6, meanwhile, the positive pole of the high-voltage electrostatic generator 7 is connected with the electret plate 8, and 10-20 ten thousand volts of voltage static electricity is released through the discharge needles 9, so that the high-voltage static electricity passes through the filter material and is transmitted to the electrostatic grounding cloth guide roller 6, and the electrostatic electret effect of the filter material is achieved; meanwhile, the electrostatic grounding cloth guide roller 6 is grounded to conduct most of voltage, and meanwhile, the high-voltage electrostatic generator 7 generates an electric field effect when releasing high-voltage static electricity through the discharge needles 9 through the metal filter screen 3, so that the electrostatic column pole time and the quality of the electrostatic column pole on the filtering surface are improved; the heating wire 112 and the thermal circulation mechanism 4 are combined, so that hot air generated in the case 2 is conveyed to the upper part of the filter screen 3 when the static pole is re-generated, the filter material is in a certain stable range, the thermal circulation mechanism 4 has certain fluidity for fibers in the filter material, the effect of the high-voltage static generator 7 on performing the static pole on the filter material is improved, and the filter efficiency of the filter material is improved and the resistance of the filter material is reduced.
Example 2: the electrostatic electret device of filter material is different from the electrostatic electret device of embodiment 1 in that the discharge needles 9 are equidistantly arranged along the length direction of the electret plate 8, and the discharge needles 9 on the adjacent electret plates 8 are arranged in parallel.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A filter material electrostatic electret device is characterized in that: comprises a frame (1), a case (2) which is fixedly arranged on the frame (1) and one end of which is provided with an opening (21), a thermal circulation mechanism (4) which is arranged on the case (2) and used for conveying hot air into the case (2), a mounting frame (5) which is arranged on the case (2), a plurality of electrostatic grounding cloth guide rollers (6) which are arranged on the mounting frame (5) in a row shape, a high-voltage electrostatic generator (7) which is arranged on the frame (1), a plurality of grid-shaped pole plates (8) which are arranged on the mounting frame (5) and discharge needles (9) which are arranged at the net-shaped intersection of the grid-shaped pole plates (8), wherein the grid-shaped pole plates (8) are respectively connected with the anode of the high-voltage electrostatic generator (7) through wires, the electrostatic grounding cloth guide rollers (6) are respectively connected with the cathode of the high-voltage electrostatic generator (7) through wires, and metal, heating wires (112) are uniformly arranged on the inner side wall of the case (2) along the height direction.
2. The filter material electrostatic electret according to claim 1, wherein: the adjacent electret plates (8) are arranged at equal intervals, and the discharge needles (9) on the adjacent electret plates (8) are arranged in a staggered manner.
3. The filter material electrostatic electret according to claim 1, wherein: the high-voltage electrostatic generator (7) comprises a constant current controller (71), a high-voltage power supply (72) and a front-end controller (73), wherein the constant current controller (71), the high-voltage power supply (72) and the front-end controller are respectively arranged on the rack (1) and are connected through a lead.
4. The filter material electrostatic electret according to claim 1, wherein: mounting bracket (5) including set up in fixed plate (51) of quick-witted case (2) both sides and with regulating plate (52) that the both ends of electrostatic grounding fabric guide roller (6) are connected, regulating plate (52) slide towards the direction of quick-witted case (2) and set up on fixed plate (51), and be provided with between fixed plate (51) and regulating plate (52) and be used for locking Assembly (10) on the mounting panel fixed plate (51).
5. The filter material electrostatic electret according to claim 4, wherein: the locking assembly (10) comprises a rack (101) arranged on the adjusting plate (52), a gear (102) rotatably connected with the fixing plate (51) and a locking piece (103) used for locking the gear (102) to rotate.
6. The filter material electrostatic electret device of claim 5, wherein: retaining member (103) include ratchet (104) be connected with gear (102), with ratchet (104) matched with pawl (105) and one end and fixed plate (51) fixed connection, the one end fixed connection's of the other end and pawl (105) return spring (106), ratchet (104) are through pivot (107) and gear (102) fixed connection of being connected with fixed plate (51) rotation, pawl (105) are connected with fixed plate (51) rotation through setting up fixed pin (108) on fixed plate (51), and the other end of pawl (105) is through the ratchet effort of return spring (106) and ratchet (104) on the joint.
7. The filter material electrostatic electret device of claim 6, wherein: a rotating hand (109) used for rotating the ratchet wheel (104) is fixedly arranged on the axis of the ratchet wheel (104), and the rotating shaft (107) is arranged in a Z shape.
8. Electrostatic electret means of filter material according to claim 4, 5 or 6, characterized in that: the fixed plate (51) is provided with a sliding groove (53), the adjusting plate (52) is provided with a guide sliding block (54), and the guide sliding block (54) is arranged in the sliding groove (53) and is in sliding connection with the fixed plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312693.6A CN108547143B (en) | 2018-04-09 | 2018-04-09 | Electrostatic electret device of filter material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312693.6A CN108547143B (en) | 2018-04-09 | 2018-04-09 | Electrostatic electret device of filter material |
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| Publication Number | Publication Date |
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| CN108547143A CN108547143A (en) | 2018-09-18 |
| CN108547143B true CN108547143B (en) | 2020-05-19 |
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| CN201810312693.6A Active CN108547143B (en) | 2018-04-09 | 2018-04-09 | Electrostatic electret device of filter material |
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| CN112176716A (en) * | 2020-08-19 | 2021-01-05 | 江苏贝尔机械有限公司 | Electrostatic stage-holding device for melt-blown fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421859A1 (en) * | 1994-06-22 | 1996-01-04 | Gregory Kinteraya | Electret based, industrial electrostatic filter esp. for capturing finely dispersed dust and sulphur di:oxide |
| CN104328650A (en) * | 2014-10-25 | 2015-02-04 | 江苏六鑫洁净新材料有限公司 | Non-woven fabric static electret equipment |
| CN105214844A (en) * | 2014-06-09 | 2016-01-06 | 黄河 | A kind of multilayer electrostatic air filtration plate |
| CN105625015A (en) * | 2016-03-14 | 2016-06-01 | 江苏六鑫洁净新材料有限公司 | Non-woven fabric two-face two-electret equipment |
| CN206763636U (en) * | 2017-05-19 | 2017-12-19 | 浙江协和陶瓷有限公司 | The wrap-up of reversing cold rolling mill |
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2018
- 2018-04-09 CN CN201810312693.6A patent/CN108547143B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421859A1 (en) * | 1994-06-22 | 1996-01-04 | Gregory Kinteraya | Electret based, industrial electrostatic filter esp. for capturing finely dispersed dust and sulphur di:oxide |
| CN105214844A (en) * | 2014-06-09 | 2016-01-06 | 黄河 | A kind of multilayer electrostatic air filtration plate |
| CN104328650A (en) * | 2014-10-25 | 2015-02-04 | 江苏六鑫洁净新材料有限公司 | Non-woven fabric static electret equipment |
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| CN108547143A (en) | 2018-09-18 |
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