JPH04122650U - Electric dust collector collector - Google Patents

Abstract

(57) [Summary] [Purpose] To construct a collector for an electric precipitator with strong mechanical strength and stable electrical characteristics. [Structure] A guide protrusion for positioning the electrode plate is formed at the deep bottom of the electrode plate insertion groove of the left and right frames, and the electrode plate is inserted into the electrode plate insertion groove of the frame along the guide protrusion. A wide electrode contact space is formed. Also, insert the electrode contact bulge at the end of the collector plate into this wide electrode contact space, and lock this electrode contact bulge on the back side of the locking protrusion of the electrode plate insertion groove. In this way, the electrode contact bulge is enlarged to match the shape of the wide electrode contact space, and the engagement with the electrode plate insertion groove is strengthened, and the contact with the electrode plate is strengthened. can be reliably prevented from falling off, and moreover, the electrical performance can be stabilized.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a collector for an electrostatic precipitator.

0002

[Conventional technology]

Generally, electric precipitators are used to remove large particles, as shown in Figure 4. Filter 1 and Iona to charge and ionize the dust particles that are sucked in. Consisting of an iser 2 and a collector 3 for adsorbing and removing ionized dust particles. Although not shown in the figure, it also forms an airflow 4 for inhaling dust. The air pump for Ru.

0003 The principle of the electric dust collector is as shown in Figure 6, in the ionizer 2. , a high voltage is applied between the earth plate 21 and the ionized wire 22 to cause corona discharge. is generated, the dust particles entering with the airflow 4 are charged and ionized, and then, The ionized dust particles are carried by the airflow 4 to the collector 3, where they are stacked in large numbers. Positive and negative voltages are applied to every other layered collector plate 31, 31,... The ionized dust particles are removed by adsorption to the collector plate 31 of opposite polarity. It is something to do.

0004 Conventionally, this collector 3 generally has left and right frames, as shown in FIGS. 4 and 5. A large number of collector plates 31, 31, ... are stacked between 32, 32, and the upper It is assembled by a frame 33 and a lower frame 34. And this The structure of the collector plate 31 of the collector 3 and the left and right frames 32, 32 is as follows. Conventionally, the structure was as follows. That is, as shown in FIGS. 7 and 8, A section opening inwardly is provided at each of the opposing inner sides of the pair of frames 32, 32. An electrode plate insertion groove 32a having a substantially U-shaped surface is formed, and each electrode plate insertion groove 32a is At the middle part of the groove 32a in the left and right direction, the grooves 32a face each other from the front and rear inner side surfaces. The locking protrusions 32b and the electrode plate positioning guide protrusions 32c are arranged in two rows so that It is formed in a protruding manner.

[0005] In addition, a large number of collector plates 31 are made of polypropylene, which is elongated from side to side. Locking portions 31b are provided protruding from both left and right ends of a collector plate base material 31a made of an insulating material. The distal end of one of the locking portions 31b has a locking protrusion of the electrode plate insertion groove 32a. Electrode contact bulge that bulges out slightly in the front and back so as to be locked on the back side of the strip 32b 31c, and furthermore, a portion of the upper or lower surface of the collector plate base material 31a. On at least one side, a conductive paint strip 31d is applied and formed into a long and narrow strip in the left and right direction, and this conductive paint strip The left and right ends of 31d reach the tip of the electrode contact bulge 31c, and the left and right ends The other end does not reach the tip of the locking portion 31b.

[0006] Then, a pair of left and right frames 32, 32 are arranged facing each other, and a collector plate 31 for electrode contact, the conductive paint strip 31d is applied to the tip. A bulging portion 31c and a locking portion 31b in which the electrode contacting bulging portion 31c is not formed. The electrode plates of the left and right frames 32, 32 are alternately overlapped. Insert the locking part 31b into the insertion groove 32a, and insert the electrode contact bulge 31c into the locking protrusion 3. They are stacked while being locked on the back side of 2b. And the vertically elongated cross section is approximately Place the U-shaped electrode plate 35 on each of the left and right frames 32, 32. A guide ridge 32b for positioning the front and rear electrode plates allows the electrode plate to be inserted into the electrode insertion groove 32a. Insert the left and right electrode plates 32, 32 so that each so that the tips of the electrode contact bulges 31c of the collector plate 31 come into elastic contact. Then, assemble the upper frame 33 and lower frame 34, and then Collector 3 was configured.

[0007] In such a collector 3, a plate is attached to one of the left and right electrode plates 35, 35. Ionite When the dust particles positively ionized by the collector 3 enter the collector 3, It is adsorbed to the conductive paint strip 31d that is in contact with the electrode plate at the ground potential and is removed. It is.

[0008]

[Problem that the idea aims to solve]

However, in the collector of such a conventional electric dust collector, the collector plate One of the locking parts 31b of 31 remains straight, and the other has a bulge for electrode contact. 31c is the only part that is locked by the locking protrusion 32b to prevent it from coming off. For this reason, electric dust collectors are becoming larger and longer collector plates are being adopted. If the collector plate base material is a flexible material such as plastic. It easily bends due to the locking, and if the bending increases, the unlatched end will flex. It may become detached from the arm 32 and fall off.

[0009] In addition, as is clear from FIG. 8, the electrode plate 3 is only connected to the electrode contact bulge 31c. The locking portion 31b on the side where the electrode contact bulge 31c is not formed is in contact with the electrode contact portion 31c. Since the electrode plate 35 is not in contact with the electrode plate 35, the collector There was also the problem that electrical contact with the taper plate 31 was insufficient.

0010 In addition, in the collector of a conventional electric dust collector, the electrode plates on the left and right frames 32 are A locking protrusion 32b and an electrode plate contact guide protrusion 32c are arranged in two rows in the insertion groove 32a. and an electrode contact bulge 31c of the locking part 31b of the collector plate 31. It is necessary to lock the locking protrusion 32b in the narrow space between these protrusions 32b and 32c. Because of this, it was not possible to make it large enough, and the connection with the electrode plate 35 could not be achieved. The elastic contact cannot be made strong enough and the electrical performance is not reliable enough. There is a problem that the collector plate cannot be obtained, and at the same time, it is easy to come off due to external force, and the collector plate There were also problems with insufficient support.

[0011] This idea was devised in view of these conventional problems, and it is a collector play. It is possible to provide strong enough support for the parts and ensure high reliability of electrical performance. The purpose is to provide a collector for an electric dust collector.

0012

[Means to solve the problem]

This idea is based on a system in which dust particles charged with an ionizer are charged with opposite polarity. An electric dust collector that collects dust by adsorbing it to the conductive paint strip on the rectifier plate. In Rector, Openings are made inward on the opposing inner sides of the left and right pairs of frames. The electrode plate insertion groove is formed with a narrow opening. The electrode plate is attached to both the left and right ends of the collector plate base material made of insulating material, which is elongated from side to side. This collector A conductive paint strip is applied to at least one of the top and bottom surfaces of the plate base material. One left and right end of the band reaches the tip of the locking part, and the other left and right end reaches the locking part. The collector plate is constructed by applying and forming a thin strip so as not to reach the tip of the The pair of left and right frames are arranged opposite each other, and a large number of the collector plates are arranged. Apply those conductive paint strips to the tip of the locking part and apply to the formed end and tip. Attach each of the left and right frames so that the unformed ends alternately overlap. Insert and lock the locking parts into each electrode plate insertion groove and stack them in the vertical direction. Insert the long and thin electrode plate into the electrode plate insertion groove of each of the left and right frames. The tip of the locking part of each collector plate is elastically attached to these left and right electrode plates. make contact, an upper frame and a lower end between the upper and lower ends of the left and right frames, respectively; The lower frame is assembled.

[0013] In addition, this device charges the dust particles charged with the ionizer to the opposite polarity. Electric dust collector that collects dust by adsorbing it to the conductive paint strip on the collector plate. In the collector of the machine, Each of the opposing inner sides of the pair of left and right frames has a cross section that opens inward. A diagonal shaped electrode plate insertion groove is formed, and the left and right sides of each electrode plate insertion groove are The locking protrusions are arranged so as to face each other and come close to each other from the front and rear inner side surfaces in the middle part. A protrusion is formed to form an electrode contact space on the back side of this locking protrusion, and this electrode An electrode plate positioning guide that protrudes inward at the bottom of the contact space. forming a ridge, The electrode plate is attached to both the left and right ends of the collector plate base material made of insulating material, which is elongated from side to side. A locking portion is formed that has a shape that almost matches the horizontal cross-sectional shape of the insert groove, and each locking portion is back and forth so that the tip of the electrode plate is locked on the back side of the locking protrusion of the electrode plate insertion groove. A wide bulging bulge for electrode contact is formed, and the upper surface of the collector plate base material is a conductive paint strip on at least one of the top or bottom surfaces, and one end of the conductive paint strip on the left and right reach the tip of the electrode contact bulge, and the other left and right ends are connected to the electrode contact bulge. The collector plate is constructed by applying and forming a thin strip so as not to reach the tip of the protrusion. , The pair of left and right frames are arranged opposite each other, and a large number of the collector plates are arranged. Those conductive paint strips are applied to the tip of the locking part and formed to the tip. of each of the left and right frames so that the unattached ends alternately overlap. Insert and lock the locking part into the electrode plate insertion groove while stacking the plates, forming a thin layer in the vertical direction. A long electrode plate with a substantially U-shaped cross section is attached to each of the left and right frames. The electrode plate positioning guide protrusion is placed in the electrode contact space of the plate insertion groove. Insert the collector plates into the left and right electrode plates by guiding them. Make sure that the tip of the locking part of the seat comes into elastic contact with the an upper frame and a lower end between the upper and lower ends of the left and right frames, respectively; The lower frame is assembled.

[0014]

[Effect]

In the collector of the electrostatic precipitator of this invention, both ends of the collector plate have the same shape. The locking part that has been made will fit into the electrode plate insertion groove where the opening of the left and right frames has become narrower. Because each collector plate is locked, even if an external force is applied in the lateral direction, each collector plate will maintain its left and right flexures. The lock can be locked to prevent it from slipping out and falling off due to external force. Wear.

[0015] In addition, in the collector of this invented electric dust collector, the electrode plates on the left and right frames are A guide protrusion for positioning the electrode plate is formed at the bottom of the insertion groove. Insert the electrode plate into the electrode plate insertion groove of the frame along the protrusion. Because of this, it is possible to form a wide electrode contact space, and this wide Insert the electrode contact bulge at the end of the collector plate into the electrode contact space, and then This electrode contact bulge should be locked on the back side of the locking protrusion of the plate insertion groove. The bulge for electrode contact is made larger to match the shape of the wide electrode contact space. This will only strengthen the engagement with the electrode plate insertion groove. At the same time, the contact with the electrode plate can be strengthened, and the collector plate It is possible to reliably prevent falling off and maintain high electrical performance. Wear.

[0016]

【Example】

Hereinafter, embodiments of this invention will be explained in detail based on the drawings.

[0017] As explained in the conventional example section, a typical electric dust collector has a structure shown in Figures 4 to 6. achieve success. The collector 3 takes the configuration shown in FIGS. 1 to 3. i.e. left In the right pair of frames 32, 32, there is a groove in the inner side of each of the opposing inner parts. An open electrode plate insertion groove 32a having a substantially U-shaped cross section is formed, and each electrode plate At the middle part in the left and right direction of the rate insertion groove 32a, The locking protrusions 32b are formed in the front and back so that the locking protrusions 32b are close to each other. An electrode contact space 32d is formed on the back side, and the deep bottom of this electrode contact space 32d is A guide protrusion 32e for positioning the electrode plate is formed to protrude inward. .

[0018] In addition, the collector plate 31 is a strip-shaped collector plate made of an insulating material that is elongated from side to side. The electrode plate insertion grooves 32a of the frame 32 are located at both left and right ends of the rate base material 31a. A locking portion 31e having a shape that substantially matches the horizontal cross-sectional shape is formed, and each locking portion 31e The tip of the electrode plate insertion groove 32a is locked to the back side of the locking protrusion 32b of the electrode plate insertion groove 32a. A bulging portion 31f for electrode contact is formed which bulges out widely in the front and back as shown in FIG. A conductive paint strip 31d is applied to at least one of the upper surface and the lower surface of the base material 31a. One of the left and right ends of the electric paint strip 31d reaches the tip of the electrode contact bulge 31f. , the other end of the left and right sides should be placed on the left side so that they do not reach the tip of the electrode contact bulge 31f. It is formed by coating and forming a thin strip in the right direction.

[0019] When assembling the collector 3, as shown in detail in FIG. A pair of left and right frames 32, 32 are arranged facing each other on both sides, and a collector plate 31 A large number of sheets are coated with the conductive paint strip 31d up to the tip of the locking portion 31e. The edges that are formed and the edges that are not formed to the tip are alternately overlapped, Insert and lock the locking portions 31e into the electrode plate insertion grooves 32a of each of the left and right frames. The electrode plate 3 is stacked while moving, and the electrode plate 3 is elongated in the vertical direction and has a substantially U-shaped cross section. 5 is the electrode contact of the electrode plate insertion groove 32a of each of the left and right frames 32, 32. The guide protrusion 32e for positioning the electrode plate guides the electrode plate in the space 32d. Insert it as shown. Finally, assemble the upper frame 33. As a result, the assembly of the collector 3 is completed.

[0020] As detailed in FIG. 2, by inserting the electrode plate 35 described above, the electrode plate 3 5 so that the electrode contact bulge 31f of each collector plate 31 comes into elastic contact with become.

[0021] In the collector 3 assembled in this way, the left and right frames 32, 32 By applying a high positive potential to one side and applying ground potential to the other, the vertical direction A positive potential and a ground potential are applied alternately to the When the turned-on dust particles are led to the collector 3, the collector pin with a positive potential The conductive paint strip 31 of the collector plate 31 is repelled by the rate 31 and is at ground potential. e and is removed.

[0022] Further, in this collector 3, the locking portions 3 at both ends of the collector plate base material 31a are 1e is formed with an electrode contact bulge 31f, which is connected to the electrode plate of the frame 32. It is locked by the locking protrusion 32b of the rate insertion groove 32a, and a large external force is applied from the side. It does not slip out inside, creating a mechanically strong structure.

[0023] Furthermore, the contact state between the electrode plate 35 and each collector plate 31 is shown in FIG. As detailed, the electrode contact bulges 31f of the upper and lower collector plates 31 are connected to each other. overlap and come into contact with the electrode plate 35 due to their repulsive force. Therefore, the contact pressure can be large and the electrical connection with the electrode plate 35 can be made safely. quality can be obtained, and the electrical performance of the collector 3 can be made stable.

[0024] Note that the invention of claim 1 of this application is not limited to the above-mentioned embodiments; The inner opening of the electrode plate insertion groove on the right frame is narrower than the space at the back. Therefore, the locking parts at both ends of the collector plate also have the cross-sectional shape of the electrode plate insertion groove. If the tip side is bulged according to the shape, the locking of both ends of the collector plate is possible. to prevent the part from coming out of the electrode plate insertion groove due to external force from the side. However, the shape is not particularly limited to the shape of the example.

[0025] In addition, in the above embodiment, for convenience of explanation, a large number of sheets are horizontally arranged between the left and right frames. Although we explained that the collector plates should be stacked and installed, this electric dust collector The lower left and right sides can be rotated, and the entire electric dust collector can be installed horizontally on the ceiling. However, the present invention is not limited to the literal direction of the embodiment.

[0026]

[Effect of the idea]

As described above, according to this invention, the electrodes that open inward from each other in the left and right frames The shape of the plate insertion groove is narrower on the opening side, and the collector plate is Make sure that the locking parts on both ends of the electrode plate match the shape of the electrode plate insertion groove. Because it is locked, even if an external force is applied to the collector plate from the side, the locking part will not generate electricity. It is securely fixed without slipping out from the pole plate insertion groove, and has mechanical strength. A strong collector can be constructed.

[0027] In addition, according to this invention, the electrodes located deep in the electrode plate insertion grooves of the left and right frames. A guide protrusion for electrode plate insertion is formed at the bottom of the contact space that protrudes inward. However, as in the past, the electrodes protrude from the front and rear inner walls of the electrode contact space in a direction that approaches each other. Since no guide protrusion is formed, this electrode contact space is widened. Therefore, the electrode contact bulge that is locked in this electrode contact space can be The part can be formed wide, the locking force can be increased, and the conductive The contact elastic force between the tip of the paint strip and the electrode plate can also be increased, reducing mechanical It can improve the strength and stability of electrical contact, making it a highly reliable component. director can be configured.

[Brief explanation of drawings]

FIG. 1 is a horizontal sectional view of one embodiment of this invention.

FIG. 2 is an enlarged front view showing the state of contact between the collector plate and the electrode plate of the above embodiment.

FIG. 3 is an exploded perspective view of the above embodiment.

FIG. 4 is an exploded perspective view of a general electric dust collector.

FIG. 5 is a perspective view of a typical collector.

FIG. 6 is a diagram explaining the principle of a general electric dust collector.

FIG. 7 is a horizontal sectional view of a conventional example.

FIG. 8 is an enlarged front view showing a contact state between a collector plate and an electrode plate in a conventional example.

[Explanation of symbols]

1...Pre-filter 2...Ionizer 3...Collector 31...Collector plate 31a...Collector plate base material 31d...Conductive paint strip 31e...Locking part 31f...Bulging part for electrode contact 32...Frame 32b...Latching protrusion 32d...Space for electrode contact 32e...Guide protrusion for electrode plate positioning 33...Lower frame 34...Top frame 35...Electrode plate

Claims (2)

[Scope of utility model registration request] Claim 1: In a collector of an electric dust collector that collects dust by adsorbing dust particles charged by an ionizer to a conductive paint strip of a collector plate charged with an opposite polarity, each of the inner sides of a pair of left and right frames faces each other. An electrode plate insertion groove is formed which opens inward and has a narrow width, and a horizontal cross-sectional shape of the electrode plate insertion groove is formed at both left and right ends of a collector plate base material made of an insulating material that is elongated from side to side. A conductive paint strip is formed on at least one of the top or bottom surface of the collector plate base material, and one end of the conductive paint strip reaches the tip of the locking part. , the other end of the left and right is formed into a thin strip so as not to reach the tip of the locking part to form a collector plate, the pair of left and right frames are placed opposite each other, and a large number of the collector plates are assembled between them. The conductive paint strip is secured to the electrode plate insertion grooves of each of the left and right frames so that the ends where the conductive paint strip is applied to the tip of the locking portion and the ends where the conductive paint strip is not coated to the tip overlap alternately. The vertically elongated electrode plate is inserted into the electrode plate insertion groove of each of the left and right frames, and the tip of the locking part of each collector plate is elastically inserted into the left and right electrode plates. A collector for an electric dust collector comprising an upper frame and a lower frame assembled between the upper and lower ends of the left and right frames, respectively, so as to be in contact with the left and right frames. [Claim 2] In a collector of an electric dust collector that collects dust by adsorbing dust particles charged by an ionizer to a conductive paint strip of a collector plate charged with an opposite polarity, each of the inner sides of a pair of left and right frames faces each other. An electrode plate insertion groove having a substantially U-shaped cross section and opening inward is formed in the electrode plate insertion groove, and locking protrusions are formed in the left-right middle part of each electrode plate insertion groove so as to face each other and approach each other from the front and rear inner side surfaces. A protruding strip is formed to form an electrode contact space on the side of the locking protrusion, and an electrode plate positioning guide protrusion that protrudes inward is provided at the deep bottom of the electrode contact space. A locking portion having a shape that substantially matches the horizontal cross-sectional shape of the electrode plate insertion groove is formed at both left and right ends of a collector plate base material made of an insulating material that is elongated from side to side, and a tip end of each locking portion is formed. An electrode contact bulge is formed on at least one of the upper surface and the lower surface of the collector plate base material, and the electrode contact bulge portion is bulged forward and backward so as to be locked on the back side of the locking protrusion of the electrode plate insertion groove. The conductive paint strip is arranged so that one left and right ends of the conductive paint strip reach the tip of the electrode contact bulge, and the other left and right ends do not reach the tip of the electrode contact bulge. A collector plate is formed by applying a thin strip of conductive paint, and the pair of left and right frames are arranged facing each other, and the plurality of collector plates are connected to the end portion where the conductive paint strip is applied to the tip of the locking portion. The end portions that are not formed all the way to the tips are alternately overlapped, and the locking portions are inserted and locked into the electrode plate insertion grooves of each of the left and right frames as they are stacked. Inserting a letter-shaped electrode plate into the electrode contact space of the electrode plate insertion groove of each of the left and right frames so as to be guided by the electrode plate positioning guide protrusion,
An electric dust collector in which an upper frame and a lower frame are assembled between the upper and lower ends of the left and right frames, respectively, so that the ends of the locking portions of the collector plates come into elastic contact with the left and right electrode plates. collector of.