阅读说明：本技术 复合放电电极、电晕加强机构及净化设备 (Composite discharge electrode, corona strengthening mechanism and purifying equipment ) 是由 化亚魏 于 2021-07-21 设计创作，主要内容包括：本发明公开一种复合放电电极、电晕加强机构及净化设备,其中,复合放电电极包括：放电片,具有相对的两放电侧缘,至少一所述放电侧缘上形成有在其长度方向上间隔设置的多个放电尖端；以及放电丝,相对所述放电片固定,所述放电丝处于伸直状态,所述放电丝依次串接多个所述放电尖端。本发明技术方案对高浓度的废气具有很好的净化效果。(The invention discloses a composite discharge electrode, a corona strengthening mechanism and a purifying device, wherein the composite discharge electrode comprises: the discharge sheet is provided with two opposite discharge side edges, and a plurality of discharge tips arranged at intervals in the length direction of at least one discharge side edge are formed on the discharge side edge; and the discharge wire is fixed relative to the discharge sheet, is in a straightened state, and is sequentially connected with a plurality of discharge tips in series. The technical scheme of the invention has good purification effect on high-concentration waste gas.)

1. A composite discharge electrode, comprising:

the discharge sheet is provided with two opposite discharge side edges, and a plurality of discharge tips arranged at intervals in the length direction of at least one discharge side edge are formed on the discharge side edge; and

the discharge wire is fixed relative to the discharge sheet, is in a straightened state, and is sequentially connected in series with a plurality of discharge tips.

2. The composite discharge electrode of claim 1 further comprising an elastic member fixed to said discharge sheet, said elastic member being attached to an end of said discharge wire to keep said discharge wire in a straightened state.

3. The composite discharge electrode according to claim 2, wherein said discharge wire is connected end to end, said elastic member is provided at both ends of said discharge chip, and both ends of said discharge wire are connected to said elastic member.

4. The composite discharge electrode of claim 3 wherein said elastic member is a spring, one end of said spring being connected to said discharge tab and the other end of said spring being connected to said discharge wire.

5. The composite discharge electrode of claim 2 wherein said discharge plate has a plurality of spaced apart vias, said discharge wire passing through said plurality of vias in sequence.

6. The composite discharge electrode according to claim 1, wherein said discharge sheet has a plurality of arc grooves, said plurality of arc grooves are sequentially distributed along a length direction of said discharge sheet, and an intersection of two adjacent arc grooves forms said discharge tip.

7. A corona strengthening mechanism, comprising:

the charging units are configured in a plurality, and the charging units are sequentially arranged in a layered and spaced manner; the charging unit comprises a ground electrode and the composite discharge electrode as claimed in any one of claims 1 to 6, and the ground electrode and the composite discharge electrode are arranged at a distance;

the grounding electrodes are fixed on the first fixing pieces, and the first fixing pieces are electrically connected with the grounding electrodes;

the second fixing piece is used for fixing all the composite discharge electrodes to the second fixing piece, the second fixing piece is electrically connected with the composite discharge electrodes, and the first fixing piece and the second fixing piece are insulated from each other; and

the first fixing piece is arranged on the rack, and the second fixing piece is arranged on the rack.

8. The corona reinforcing mechanism according to claim 7, wherein said first fixing member is a cylindrical conductor, and said first fixing member is sequentially inserted through the ends of all said ground electrodes to electrically connect all said ground electrodes;

the second fixing piece is a columnar conductor, and the second fixing piece sequentially penetrates through the end parts of all the composite discharge electrodes so as to electrically connect all the composite discharge electrodes.

9. The corona reinforcing mechanism of claim 7 or 8, wherein said frame includes a top fixing plate, said top fixing plate being an electrical conductor, said first fixing member being fixed to said top fixing plate by a bolt, said second fixing member being fixed to said top fixing plate by an insulating block.

10. A purification apparatus, comprising the corona strengthening mechanism of any one of claims 7 to 9, disposed at a front end of a purification core of the purification apparatus.

Technical Field

The invention relates to the technical field of waste gas purification, in particular to a composite discharge electrode, a corona strengthening mechanism and purification equipment.

Background

At present, electrostatic purification equipment in the market adopts ionization wires for charging, the charging mode is uniform in charging, and the electrostatic purification equipment is used for treating waste gas (generally not more than 200 mg/m) such as low-concentration oil mist, oil smoke, welding smoke and the like³) And the efficiency is high and can reach 99 percent, and the method has obvious advantages. However, the ionization wire is adopted for charging, so that the phenomenon of corona blocking is easily generated for high-concentration waste gas, and the purification efficiency is greatly reduced. If engineering designers know the working conditions on site inaccurately, the purification equipment of the ionization wire is selected to purify the high-concentration waste gas, the purification effect is greatly reduced, and the possibility of generating the waste gasDischarging the serious substandard condition; on the other hand, waste gas can pollute clarification plant for clarification plant operating mode changes, and waste gas concentration increases, also can cause the serious not up to standard condition of emission. In the face of the situation, if the original purifying equipment is directly dismantled and the high-efficiency purifying equipment is replaced, great economic loss is caused.

Disclosure of Invention

The invention mainly aims to provide a composite discharge electrode, which aims to have good purification effect on high-concentration waste gas.

In order to achieve the above object, the present invention provides a composite discharge electrode comprising: the discharge sheet is provided with two opposite discharge side edges, and a plurality of discharge tips arranged at intervals in the length direction of at least one discharge side edge are formed on the discharge side edge; and

the discharge wire is fixed relative to the discharge sheet, is in a straightened state, and is sequentially connected in series with a plurality of discharge tips.

Optionally, the composite discharge electrode further includes an elastic member, the elastic member is fixed to the discharge sheet, and the elastic member is connected to an end of the discharge wire so as to keep the discharge wire in a straightened state.

Optionally, the discharge wire is connected end to end, the elastic part is arranged at both ends of the discharge piece, and both ends of the discharge wire are connected to the elastic part.

Optionally, the elastic member is a spring, one end of the spring is connected to the discharge sheet, and the other end of the spring is connected to the discharge wire.

Optionally, a plurality of via holes are formed in the discharge sheet, and the discharge wire sequentially penetrates through the plurality of via holes.

Optionally, the discharge piece is provided with a plurality of arc grooves, the arc grooves are sequentially distributed along the length direction of the discharge piece, and the intersection of two adjacent arc grooves forms the discharge tip.

The invention also provides a corona strengthening mechanism, comprising:

the charging units are configured in a plurality, and the charging units are sequentially arranged in a layered and spaced manner; the charging unit comprises a grounding electrode and the composite discharge electrode, and a distance is reserved between the grounding electrode and the composite discharge electrode;

the grounding electrodes are fixed on the first fixing pieces, and the first fixing pieces are electrically connected with the grounding electrodes;

the second fixing piece is used for fixing all the composite discharge electrodes to the second fixing piece, the second fixing piece is electrically connected with the composite discharge electrodes, and the first fixing piece and the second fixing piece are insulated from each other; and

the first fixing piece is arranged on the rack, and the second fixing piece is arranged on the rack.

Optionally, the first fixing element is a columnar conductor, and the first fixing element sequentially penetrates through the end parts of all the grounding electrodes to electrically connect all the grounding electrodes;

the second fixing piece is a columnar conductor, and the second fixing piece sequentially penetrates through the end parts of all the composite discharge electrodes so as to electrically connect all the composite discharge electrodes.

Optionally, the rack includes a top fixing plate, the top fixing plate is a conductor, the first fixing member is fixed to the top fixing plate through a bolt, and the second fixing member is fixed to the top fixing plate through an insulating block.

The invention also provides a purifying device which comprises the corona strengthening mechanism, and the corona strengthening mechanism is arranged at the front end of the purifying core body of the purifying device.

According to the technical scheme, the discharge tip is arranged on the discharge sheet, so that a large number of free electrons and positive and negative ions can be formed around the discharge tip, and the free electrons and the positive and negative ions charge the pollution particles. The discharge wire is relatively fixed with the discharge sheet, and is connected with a plurality of discharge tips in series, so that the discharge wire can generate a corona phenomenon, particles are charged, the discharge wire has an effect of uniform charge, the problem of nonuniform charge caused by point-type discharge of the discharge tips is solved, the discharge wire plays a role in supplementing the charge of the discharge sheet, the discharge wire and the discharge sheet are combined together, the corona blocking phenomenon caused by the independent use of the discharge wire can be solved, and the high-concentration waste gas purifying device has a good purifying effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a composite discharge electrode according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of a corona strengthening mechanism of the invention

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

fig. 5 is a cross-sectional view at B-B in fig. 4.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Composite discharge electrode	131	Hook for hanging articles
110	Discharge wire	200	Grounding electrode
				120	Discharging sheet	300	Rack
121	Broaching hole	310	Top fixing plate
				122	Discharge tip	400	First fixed part
123	Via hole	500	Second fixing part
				130	Tension spring

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a composite discharge electrode 100.

In the embodiment of the present invention, as shown in fig. 1, the composite discharge electrode 100 includes a discharge sheet 120 and a discharge wire 110. The discharge sheet 120 has two opposite discharge side edges, that is, one discharge side edge is provided on one side of the discharge sheet 120, and the other discharge side edge is also provided on the opposite side of the discharge sheet 120. At least one of the two discharge side edges has a plurality of discharge tips 122 formed thereon, the discharge tips 122 being spaced apart in a longitudinal direction of the discharge side edge, and in one embodiment of the present application, each of the discharge side edges has a plurality of discharge tips 122 disposed thereon, and the discharge tips 122 are sequentially disposed along the longitudinal direction of the discharge side edge. Discharge wire 110 is relative discharge piece 120 is fixed, discharge wire 110 is in the state of straightening, discharge wire 110 concatenates a plurality ofly in proper order discharge pointed end 122, in a specific embodiment of this application, discharge wire 110 fixes on discharge piece 120, can fix the both ends at discharge piece 120 respectively with discharge wire 110's both ends. The discharge sheet 120 may be a zigzag discharge sheet 120 or the like, and the discharge wire 110 may be an ionizing wire or the like.

According to the technical scheme of the invention, the discharge tip 122 is arranged on the discharge sheet 120, so that a large amount of free electrons and positive and negative ions can be formed around the discharge tip 122, and the free electrons and the positive and negative ions charge pollution particles. The discharge wire 110 and the discharge sheet 120 are relatively fixed, and the discharge wire 110 is connected with the discharge tips 122 in series, so that the discharge wire 110 can generate a corona phenomenon and charges particles, the discharge wire 110 has an effect of uniform charge, the problem of nonuniform charge caused by point discharge of the discharge tips 122 is solved, the discharge wire 110 supplements the charge of the discharge sheet 120, the discharge wire 110 and the discharge sheet 120 are combined together, the corona blocking phenomenon caused by the independent use of the discharge wire 110 can be solved, and the high-concentration waste gas purifying effect is good.

Optionally, in an embodiment of the present application, as shown in fig. 1, the composite discharge electrode 100 further includes an elastic member, the elastic member is fixed to the discharge sheet 120, and the elastic member is connected to an end of the discharge wire 110, so that the discharge wire 110 is in a straightened state. It is understood that the elastic member is in a stretched state, so that the discharge wire 110 can be pulled such that the discharge wire 110 is in a straightened state. The discharge wire 110 in a straightened state may charge particles at the side edges of the entire discharge sheet 120.

Optionally, in an embodiment of the present application, as shown in fig. 1, the discharge wire 110 is connected end to end, the elastic member is disposed at both ends of the discharge sheet 120, and both ends of the discharge wire 110 are connected to the elastic member. A more specific example is an end-to-end ring structure of the discharge wire 110, the ends of the discharge wire 110 can be bound together or fused together, etc. Both ends of the discharge sheet 120 in the length direction are provided with elastic members, and both elastic members are in a stretched state, so that the two elastic members can pull the discharge wire 110 at both ends of the discharge wire 110, and the discharge wire 110 can be in a straightened or tightened state.

Alternatively, in an embodiment of the present application, as shown in fig. 1, the elastic member is a spring, one end of the spring is connected to the discharge tab 120, and the other end of the spring is connected to the discharge wire 110. In a more specific embodiment, the spring is a tension spring 130, the two ends of the discharge plate 120 are provided with pull holes 121, a hook 131 at one end of the tension spring 130 is hung on the pull hole 121, the other end of the tension spring 130 is hung on the discharge wire 110, and the hooks 131 of the two tension springs 130 are respectively hooked on the two ends of the discharge wire 110, so that the discharge wire 110 is in a straightened or tightened state. The tension spring 130 has low cost, wide material sources and good effect of stretching the discharge wire 110.

Optionally, in an embodiment of the present application, as shown in fig. 1, a plurality of via holes 123 are disposed on the discharge sheet 120, and the discharge wire 110 sequentially passes through the plurality of via holes 123. It will be appreciated that the vias 123 are disposed at the discharge tip 122, and then the discharge wire 110 passes through each via 123 in turn, which helps the discharge wire 110 to be in a straightened state.

Optionally, in an embodiment of the present application, as shown in fig. 1, the discharge sheet 120 is provided with a plurality of arc grooves (not marked in the drawing), the plurality of arc grooves are sequentially distributed along a length direction of the discharge sheet 120, and an intersection of two adjacent arc grooves forms the discharge tip 122. That is to say, a plurality of arc grooves are dug along the length direction on the discharge side edge of the discharge plate 120, and a discharge tip 122 is formed at the boundary of two adjacent arc grooves, so that the discharge tip 122 has a simple structure and is convenient to machine.

The invention further provides a corona strengthening mechanism, as shown in fig. 2 and fig. 3, the corona strengthening mechanism includes a charging unit (not labeled), a first fixing member 400, a second fixing member 500, and a frame 300. The charging unit includes a ground electrode 200 and a composite discharge electrode 100, and the specific structure of the composite discharge electrode 100 refers to the above embodiments, and since the corona reinforcing mechanism adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated herein.

As shown in fig. 3, 4, and 5, a plurality of charging units are configured, and the plurality of charging units are arranged in a layered manner at intervals, that is, the plurality of charging units are arranged in a layered manner, and a certain distance is provided between two adjacent charging units. In each charging unit, the ground electrode 200 is spaced apart from the composite discharge electrode 100. All the ground electrodes 200 are fixed to the first fixing member 400, the first fixing member 400 is electrically connected to the ground electrodes 200, that is, all the ground electrodes 200 are fixed to the first fixing member 400, and the first fixing member 400 and all the ground electrodes 200 are electrically conductive, so that all the ground electrodes 200 are at the same potential voltage. All the composite discharge electrodes 100 are fixed to the second fixing member 500, the second fixing member 500 is electrically connected to the composite discharge electrodes 100, and the first fixing member 400 and the second fixing member 500 are insulated from each other; that is, all the composite discharge electrodes 100 are placed on the second fixture 500, and the second fixture 500 is conductive with all the composite discharge electrodes 100, so that all the composite discharge electrodes 100 are at the same potential voltage. The first and second fixtures 400 and 500 are insulated from each other to prevent the composite discharge electrode 100 and the ground electrode 200 from being electrically connected. The first mount 400 is mounted to the frame 300, and the second mount 500 is mounted to the frame 300. The rack 300 may provide support for the entire corona strengthening mechanism, and the first and second fixing members 400 and 500 may provide support for all the charging units when they are installed in the rack 300.

The corona reinforcing mechanism adopts the charging units, and the charging units are arranged at intervals, so that particles passing through the charging units can be charged, the first fixing piece 400 is electrically connected with all the grounding electrodes 200, the second fixing piece 500 is electrically connected with all the composite discharging electrodes 100, and each charging unit is conveniently and electrically conducted. Generally, two layers of wind shields or primary-effect filter plates often exist at the front end of the electrostatic purification equipment, so that the parts can be detached, the corona strengthening mechanism applied for cost replacement can achieve a good purification effect, and the economic cost for solving the engineering problems can be greatly reduced. To the waste gas of high concentration, can directly implant the corona strengthening mechanism of this application at the clarification plant front end, solve the occlusive problem of corona, improve purification efficiency. When corrosive exhaust gas is treated, the local high temperature of the discharge electrode accelerates the passivation of the discharge point of the discharge electrode. Even when operating for a long time while treating non-corrosive exhaust gas, these discharge electrodes generate a passivation phenomenon. The passivation of the discharge electrode can weaken the charge effect of the discharge electrode, cause the escape of particulate matters and reduce the efficiency of the whole purifying equipment. If change whole filter core, not only consume huge running cost, the clarification plant of a plurality of years of operation moreover also is comparatively difficult for looking for the core of the same model in the market. By adopting the corona strengthening mechanism, the problems can be solved without increasing too much cost. To the longer clarification plant of service life, under the prerequisite of not changing clarification plant's whole filter core, the corona strengthening mechanism of this application is directly implanted to clarification plant front end, solves the discharge electrode passivation problem.

Alternatively, in an embodiment of the corona reinforcing mechanism, as shown in fig. 3 and 5, the first fixing element 400 is a columnar conductor, and the first fixing element 400 sequentially penetrates through the end portions of all the ground electrodes 200 to electrically connect all the ground electrodes 200; in a more specific embodiment, through holes are formed at both ends of the ground electrode 200, and the first fixing members 400 are provided at both ends of the ground electrode 200, so that the two first fixing members 400 respectively pass through the through holes at both ends of the ground electrode 200, the ground electrode 200 may be a plate shape, and the through holes at the ground electrode 200 are engaged with the first fixing members 400 having a columnar shape, thereby fixing the ground electrode 200 to the first fixing members 400 and making all the ground electrodes 200 conductive and at the same potential voltage.

The second fixing member 500 is a columnar conductor, and the second fixing member 500 sequentially penetrates the end portions of all the composite discharge electrodes 100 to electrically connect all the composite discharge electrodes 100. In a more specific embodiment, through holes are formed at two ends of the composite discharge electrode 100, and second fixing members 500 are disposed at two ends of the composite discharge electrode 100, so that the two second fixing members 500 respectively pass through the through holes at two ends of the composite discharge electrode 100, and the through holes at the composite discharge electrode 100 are clamped on the second fixing members 500, so that the composite discharge electrode 100 is fixed on the second fixing members 500, and all the composite discharge electrodes 100 are conducted and at the same potential voltage.

Optionally, in an embodiment of the corona reinforcing mechanism, as shown in fig. 3 and 5, the rack 300 includes a top fixing plate 310, the top fixing plate 310 is a conductive body, the first fixing member 400 is fixed to the top fixing plate 310 by a bolt, and the second fixing member 500 is fixed to the top fixing plate 310 by an insulating block. It can be understood that the top fixing plate 310 is provided on the frame 300, the top of the first fixing member 400 is fixed to the top fixing plate 310, the second fixing member 500 is fixed to the insulating block, and the insulating block is fixed to the top fixing plate 310, so that the first fixing member 400 and the second fixing member 500 are insulated from each other, and the first fixing member 400 and the second fixing member 500 are conveniently electrically connected to other devices, so that each charge unit is electrically conducted, and the composite discharge electrode 100 and the ground electrode 200 have a voltage difference.

The invention also provides a purifying device which comprises the corona strengthening mechanism. The specific structure of the corona strengthening mechanism refers to the above embodiments, and since the purifying device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. Wherein, corona strengthening mechanism set up in the front end of clarification plant's purification core, corona strengthening mechanism can regard as the partly that belongs to the purification core to before the particulate matter gets into clarification plant, corona strengthening mechanism can give the particulate matter lotus.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.