CN113000211A

CN113000211A - Static dust suppression device with insulation assembly and electrode insulation system

Info

Publication number: CN113000211A
Application number: CN202110261410.1A
Authority: CN
Inventors: 张梅生; 王烨
Original assignee: Tianjin Sino Peak Container Manufacture Co ltd
Current assignee: Tianjin Sino Peak Container Manufacture Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-22

Abstract

The embodiment of the invention provides an electrostatic dust suppression device with an insulation component and an electrode insulation system, comprising a metal cylinder, a cathode and a conveyer belt; the electrostatic dust suppression device with the insulation assembly further comprises: the cathode is placed on the metal cylinder through the insulating assembly; the insulating assembly includes: the positive pressure cover body is covered on the sealing plate; the positive pressure cover body is provided with a cover top and a cover wall connected with the cover top; the sealing plate and the cover wall of the positive pressure cover body form a positive pressure airflow region; the positive pressure gas flow region is positioned between the cathode and the cover top; the gas pipe is provided with a gas inlet end and a gas outlet end, the gas outlet end is positioned in the positive pressure gas flow area and is positioned below the sealing plate, and positive pressure gas discharged from the gas outlet end of the gas pipe forms the positive pressure gas flow area in the positive pressure gas flow area below the sealing plate. The insulating assembly constructs a positive pressure dry air small environment, so that dust is difficult to attach to the insulating assembly and the periphery, and the short circuit between the metal cylinder and the cathode is avoided.

Description

Static dust suppression device with insulation assembly and electrode insulation system

Technical Field

The invention relates to the field of dust removal, in particular to an electrostatic dust suppression device with an insulation component and an electrode insulation system.

Background

In the industries of ore transportation, ore crushing, ore dressing, cement, thermal power generation, sintering and the like where powder or crushed materials are transported, a belt conveyor is usually adopted for transporting the materials, so that dust often floats in the air and the air pollution is very serious. The materials are usually dedusted during the transport by the belt conveyor.

In the process of implementing the invention, the applicant finds that at least the following problems exist in the prior art:

when the humidity of the materials conveyed by the belt conveyor is higher, the dust removal effect is poor at present.

Disclosure of Invention

The embodiment of the invention provides an electrostatic dust suppression device with an insulating component and an electrode insulating system, wherein a positive-pressure clean air small environment is constructed by the insulating component, so that flying dust with high humidity is difficult to adhere to the insulating component and the periphery, and a metal cylinder and a cathode are prevented from being short-circuited.

In order to achieve the above object, in one aspect, an embodiment of the present invention provides an electrostatic dust suppression device with an insulation assembly, including a metal cylinder, a cathode, and a conveyor belt, where the metal cylinder is covered above the conveyor belt; the cathode is arranged in the metal cylinder;

the electrostatic dust suppression device with the insulation assembly further comprises: the cathode is placed on the metal cylinder through the insulating assembly;

the insulation assembly includes: the positive pressure cover body is covered on the sealing plate;

the positive pressure cover body is provided with a cover top and a cover wall connected to the cover top, and the cover wall is positioned below the cover top; the sealing plate is connected with the cover wall of the positive pressure cover body in a gapless manner;

the sealing plate and the cover wall of the positive pressure cover body form a positive pressure airflow cavity; the positive pressure gas flow cavity is positioned between the cathode and the cover top;

the gas conveying pipe is provided with a gas inlet end and a gas outlet end, the gas outlet end is positioned in the positive pressure gas flow cavity and below the sealing plate, and positive pressure gas discharged from the gas outlet end of the gas conveying pipe forms a positive pressure gas flow area in the positive pressure gas flow cavity below the sealing plate;

the insulator is connected to the metal cylinder, and the insulator is arranged below the cover top of the positive pressure cover body, above the lower edge of the positive pressure air flow region and in the side edge of the positive pressure air flow region.

Preferably, one end of the insulator is connected to the metal cylinder, and the other end of the insulator is arranged in the positive pressure cover body and is positioned between the sealing plate and the cover top; alternatively, the first and second electrodes may be,

one end of the insulator is connected to the metal cylinder and is arranged on the lower edge of the positive pressure air flow region below the sealing plate and in the side edge of the positive pressure air flow region.

Preferably, the insulation assembly further comprises a baffle plate, the baffle plate is arranged on the cover wall connected to the positive pressure cover body in the positive pressure cover body, and the baffle plate is arranged below the sealing plate; the guide plate is provided with a guide hole, and the guide hole is arranged in the vertical direction.

Preferably, the insulator is provided with a plurality of horizontal insulating thin plates which are arranged at intervals in the vertical direction.

Preferably, the air deflector further comprises a heat insulation layer attached to the surface of the air deflector plate, wherein the heat insulation layer is perlite filler.

Preferably, the temperature control device further comprises a temperature control part for adjusting the temperature of the positive pressure gas entering the air inlet end of the air conveying pipe, and the temperature control part is arranged at the air inlet end of the air conveying pipe.

Preferably, the positive pressure cover body is a barrel-shaped body, and the axis of the barrel-shaped body is in the vertical direction; and the number of the first and second groups,

the air inlet end of the air conveying pipe is arranged outside the metal cylinder body and penetrates through the cover top of the positive pressure cover body, the air outlet end of the air conveying pipe penetrates through the sealing plate and enters the positive pressure airflow cavity, and the air conveying pipe is parallel to the axis direction of the barrel body.

Preferably, the insulating assembly further comprises a connecting rod, the connecting rod is sleeved in the insulator, one end of the connecting rod is connected to the metal cylinder, and the other end of the connecting rod is connected to the cathode.

In another aspect, an embodiment of the present invention provides an electrode insulation system, including a metal cylinder serving as a common electrode and a cathode contacting the metal cylinder;

the electrode insulation system further comprises: the cathode is connected to the metal cylinder through the insulating assembly;

the gas transmission pipe is provided with a gas inlet end and a gas outlet end, the gas outlet end is arranged in the positive pressure gas flow cavity and is positioned below the sealing plate, and positive pressure gas exhausted from the gas transmission pipe gas outlet end forms a positive pressure gas flow area in the positive pressure gas flow cavity below the sealing plate.

The technical scheme has the following beneficial effects: the positive-pressure clean air small environment is constructed through the insulating assembly, so that flying dust with high humidity is difficult to adhere to the insulating assembly and the periphery, the existence of a path for discharging caused by static charge creepage is fundamentally eliminated, and the metal cylinder and the cathode are insulated and reliable even in a high-humidity environment, and the effect is good.

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 drawings without creative efforts.

FIG. 1 is an isometric view of an electrostatic dust suppression device (shown primarily as an insulation assembly) having an insulation assembly in accordance with the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a first perspective cross-sectional view of FIG. 1;

FIG. 5 is a second cut-away perspective partial enlargement of FIG. 1;

FIG. 6 is a complete front view of FIG. 1;

FIG. 7 is an isometric view of an electrostatic dust suppression device (including only a portion of the components) having an insulating assembly according to the present invention;

fig. 8 is a front view of fig. 7.

The reference numerals are represented as:

3. a cathode; 4. a vibrator; 5. a metal cylinder; 6. a conveyor belt; 7. a baffle; 8. a sealing plate; 9. a positive pressure hood; 10. an insulator; 11. perlite filler; 13. a gas delivery pipe; 14. a connecting rod;

1. a conveyor belt transfer rack; 2. a viewing port; 12. a high voltage lead; 15. a support frame; 16. a negative plate connecting pipe; 31. a star-shaped cathode plate.

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.

As shown in fig. 1 to 8, in combination with the embodiment of the present invention, there is provided an electrostatic dust suppressing device with an insulating member, comprising a metal cylinder 5, a cathode 3, a conveyor belt 6, the conveyor belt 6 being provided on a conveyor belt carriage 1 for conveying ore, cement, etc. the conveyor belt 6 is provided for conveying ore, cement, etc. The air will now have airborne particles of these materials floating therein. The metal cylinder 5 covers the conveyer belt 6, namely covers the ore, the cement and the like, so that dust particles floating in the air of the ore and the cement can be blocked in the metal cylinder 5, and a semi-closed cavity is formed. The electrostatic dust suppression device with the insulating assembly is supported on the conveyor carousel 1 by a support frame 15.

The metal cylinder 5 is covered above the conveying belt 6 to form a semi-sealed cavity with the conveying belt 6; the cathode 3 is arranged in the semi-sealed cavity, and the cathode 3 is connected to the metal cylinder 5 in an insulating manner; the device also comprises a direct current power supply which can be a high-voltage direct current power supply, two poles of the power supply are respectively connected with the metal cylinder 5 and the cathode 3 through a high-voltage lead 12, the metal cylinder 5 and the cathode 3 (also called a corona pole) are not communicated, no current is generated, and a high-voltage electric field can be generated between the metal cylinder 5 and the cathode 3. The dust particles floating in the metal cylinder 5 are removed by the principle of electrostatic adsorption.

Because the cathode electrode generates corona discharge and the gas is ionized, at the moment, negatively charged gas ions move towards the metal cylinder 5 under the action of the electric field force and collide with floating dust particles in the movement, the negatively charged gas ions charge the dust particles with negative electricity, the charged dust particles move towards the metal cylinder 5 under the action of the electric field force, charged electrons are discharged after reaching the metal cylinder 5, the dust particles are deposited on the metal cylinder 5, and the purified gas is discharged out of the dust suppression device, so that the dust particles floating in the air are greatly reduced.

The electrostatic dust suppression device with the insulation assembly further comprises: an insulating assembly by which the cathode 3 is placed on (connected to) the metal cylinder 5; the occurrence of a short circuit between the cathode 3 and the metal can 5 can be prevented by the insulating member. Especially, when the humidity of the transported material is high (for example, 80% to 99%), if the insulating component is not used, the wet dust particles are easily and continuously adhered to the cathode 3 and/or the metal cylinder 5, so that the cathode 3 and/or the metal cylinder 5 have a net charge creepage phenomenon, when the accumulated wet dust particles are large enough, the cathode 3 and the metal cylinder 5 are short-circuited, and in severe cases, the fire striking, arc drawing and burning accidents are caused. Therefore, the cathode 3 is connected to the metal cylinder 5 through the insulating component, and the insulating component has the effect of isolating the metal cylinder 5, so that the accidents can be avoided, and the dust suppression device can work normally.

The insulation assembly includes: the positive pressure gas transmission device comprises a positive pressure cover body 9 (also called a positive pressure environment cover), a sealing plate 8, an insulator 10 and a gas pipe 13 for conveying positive pressure gas, wherein the positive pressure cover body 9 is covered on the sealing plate 8; the insulator 10 is made of silica gel.

The positive pressure hood body 9 has a hood top and a hood wall connected to the hood top, and the hood wall is located below the hood top. The sealing plate 8 is connected to the cover wall of the positive pressure cover body 9 without a gap, and the sealing plate 8 and the cover wall of the positive pressure cover body 9 form a positive pressure airflow cavity; the positive pressure gas flow cavity is positioned between the cathode 3 and the cover top; that is, the sealing plate 8 is used to seal the space between the cover top of the positive pressure cover body 9 and the sealing plate 8, so that the sealing plate 8 and the cover wall of the positive pressure cover body 9 form a small sealed space (positive pressure airflow chamber), wherein the pressure of the positive pressure airflow is greater than 2kg, and is generally provided by the positive pressure cover body 9.

The insulator 10 is connected to the metal cylinder 5, and the insulator 10 is arranged below the cover top of the positive pressure cover body 9, above the lower edge of the positive pressure airflow region and in the side edge of the positive pressure airflow region, such as between the sealing plate 8 and the cover top; that is, the insulator 10 vertically penetrates through the top of the positive pressure cover 9, so that the metal cylinder 5 and the cathode 3 can be isolated, and the cathode 3 and the metal cylinder 5 cannot form a current path.

The sealing plate 8 and the cover wall of the positive pressure cover body 9 positioned below the sealing plate 8 form a positive pressure airflow cavity; the positive pressure gas flow chamber is between the cathode 3 and the sealing plate 8.

The gas pipe 13 is provided with a gas inlet end and a gas outlet end, the gas outlet end is arranged in the positive pressure gas flow cavity and is positioned below the sealing plate 8, and positive pressure gas discharged from the gas outlet end of the gas pipe 13 forms a positive pressure gas flow area in the positive pressure gas flow cavity below the sealing plate 8.

When the dust suppression device operates and continuously conveys positive pressure gas to the positive pressure gas flow area through the gas pipe 13, the pressure of the positive pressure gas (compressed gas) is greater than a standard atmospheric pressure, so the positive pressure gas can be discharged through the exhaust end of the gas pipe 13 below the sealing plate 8, and clean positive pressure gas is gathered below the sealing plate 8 to form a protective gas curtain, thereby forming a positive pressure clean air small environment. So that high-humidity dirty air (with standard atmospheric pressure close to atmospheric pressure) can not enter a sealed space between the sealing plate 8 and the cover top, thereby thoroughly preventing dust from continuously adhering to the cathode 3 and/or the metal cylinder 5, finally eliminating a path of short circuit between the cathode and the anode caused by static charge creepage, and solving the problem of insulation damage caused by ignition, arc discharge and burning. From the field experiment process, the electrostatic field constructed by the cathode and the anode which are supported and connected by the insulating component has obvious electrostatic dust suppression effect under the high-humidity working condition, stable and reliable operation and long service life, even if the cathode electrode is sprayed with water, the damage can not be caused, the damage of the whole electrostatic dust suppression device can not be caused, the dust suppression effect in the material conveying process of a belt conveyor (conveying belt) is ensured, and the environmental protection requirement is met.

Preferably, one end of the insulator 10 is connected to the metal cylinder 5, and the other end of the insulator 10 is disposed in the positive pressure housing 9 and between the sealing plate 8 and the housing top. Or, one end of the insulator 10 is placed (connected) on the metal cylinder 5 and is disposed on the lower edge of the positive pressure gas flow region below the sealing plate 8 and in the side edge of the positive pressure gas flow region. Or, one end of the insulator 10 is connected to the metal cylinder 5, and the other end of the insulator 10 is located at the lower part outside the positive pressure gas flow area. The insulation between the metal cylinder 5 and the cathode 3 is realized by the change of the connection position of the other end of the insulator 10. And, the connecting rod (14) is set in the insulator 10.

Preferably, the heat insulation plate also comprises a heat insulation layer attached to the surface of the flow guide plate 7, and the heat insulation layer is perlite filling material 11. In some high-temperature environments, the perlite filler 11 is used for blocking heat conduction and blocking high-temperature and low-temperature gases from condensing into water drops after meeting, so that the reduction of the insulating property caused by the conduction of the water drops is avoided.

Preferably, the insulation assembly 2 further comprises a baffle 7, the baffle 7 is arranged in the positive pressure hood 9 and connected to the hood wall of the positive pressure hood 9, and the baffle 7 is arranged below the sealing plate 8; the guide plate 7 is provided with a guide hole, and the guide hole is arranged in the vertical direction. When the internal components of the electrostatic dust suppression device are overhauled or the air pressure of positive pressure air does not meet the use requirement and fails, the guide plate 7 can prevent external dust from entering the positive pressure air flow region less. In addition, the guide plate 7 is provided with guide holes to flow outwards, the guide plate 7 gathers clean positive pressure gas to further form a protective air curtain (especially when the guide holes are uniformly distributed, the positive pressure airflow blown out through the guide holes is uniform, and the forming speed of the air curtain is high), so that high-humidity dirty air and insulating surfaces (connecting rods 14) and the cover body are further prevented, namely, the gas with dust particles (high-humidity dirty air) cannot enter the positive pressure airflow region from the guide holes and further cannot flow into a small sealed space in the sealing plate 8 and the positive pressure cover body 9, and a small positive pressure clean air environment is formed.

Preferably, the insulator 10 has a plurality of horizontal insulating sheets arranged at vertical intervals, so that the insulating property is improved, the electric conduction is avoided, and the dust is prevented from entering.

Preferably, the temperature control device further comprises a temperature control part for adjusting the temperature of the positive pressure gas entering the air inlet end of the air conveying pipe 13, and the temperature control part is arranged at the air inlet end of the air conveying pipe 13. Under the condition that the inlet end appears the condensate water, be used for adjusting the temperature of the air of inlet end through the piece that adjusts the temperature, specifically be: hot air (temperature range >70 ℃) is blown into the air inlet end through the temperature adjusting piece under certain air pressure, so that water is not formed in the positive pressure air flow zone.

Preferably, the positive pressure cover body 9 is a barrel-shaped body, so that the gas flow rate in the positive pressure gas curtain in the positive pressure gas flow area is equal, the gas curtain is stable, the axis of the barrel-shaped body is vertical, the guide plate 7 is perpendicular to the axis of the barrel-shaped body, positive pressure gas flowing out of the guide plate 7 can be directly blown to dust particles, the gas flow of the gas curtain is also in the vertical direction without inclination, when the cathode 3 is a plurality of dispersed cathode plates, and the cathode 3 is also vertically arranged, the dust particles are gathered on the negative plate opposite to each other due to the inclination of the cathode plate of the gas curtain, so that the concentration is increased and the possibility that the dust particles are counted in the positive pressure gas flow area is increased. Therefore, the positive pressure cover body 9 is a barrel-shaped body, the axis of the barrel-shaped body is vertical, and the guide plate 7 is perpendicular to the axis of the barrel-shaped body, so that dust particles directly below the guide plate 7 cannot enter the space of the positive pressure cover body 9 above the sealing plate 8, and the dust particles can be maximally suppressed.

Preferably, the air inlet end of the air pipe 13 is arranged outside the metal cylinder 5, the air inlet end of the air pipe 13 penetrates through the top of the positive pressure cover body 9, the air outlet end of the air pipe 13 penetrates through the sealing plate 8 and enters the positive pressure airflow cavity, and the air pipe 13 is parallel to the axial direction of the barrel. The positive pressure airflow pressure can not generate other components from input to output, and the pressure except the normal loss is completely transmitted into the positive pressure airflow region, so that the pressure of the positive pressure gas is fully used. Guarantee the forming speed of malleation gas air curtain to in having the whole process that malleation gas got into, keeping the continuous stability of air curtain, so with outside dust particle tight block outside and not entering into insulating assemblies in, the dust particle can not the adhesion on connecting negative pole 3 and/or metal barrel 5, can not take place net electric charge creepage phenomenon.

Preferably, the gas-supply pipe 13 has a plurality ofly, and is a plurality of the gas-supply pipe 13 equipartition is around the axis of tubbiness body, and a plurality of gas-supply pipes 13 can evenly be to the interior transportation positive pressure gas of positive pressure flow district for positive pressure gas can evenly be full of the positive pressure flow district fast at the initial stage of operation so that form the air curtain, and protection insulating assembly keeps away from the dust particle.

Preferably, the sealing plate 8 and the flow guide plate 7 are arranged in parallel, so that positive pressure gas conveyed from the gas conveying pipe 13 can quickly form a protective gas curtain only by downward flowing without backflow.

Preferably, the insulating assembly further includes a connecting rod 14, the connecting rod 14 is a metal sleeve, the connecting rod 14 is sleeved in the insulator 10, one end of the connecting rod 14 is connected to the metal cylinder 5, and the other end of the connecting rod 14 is connected to the cathode 3. And the connecting rod 14 runs through the guide plate 7 and the sealing plate 8, and when the connecting rod 14 runs through the guide plate 7 and the sealing plate 8, the contact place of the connecting rod 14 with the guide plate 7 and the sealing plate is ensured to be sealed so as to be isolated from the outside.

Preferably, the dust collecting device further comprises a vibrator 4 for vibrating dust, wherein the vibrator 4 is arranged on the metal cylinder 5, and the vibrator 4 is used for vibrating dust particles off the metal cylinder 5 by using the vibrator 4 when more dust particles are adsorbed in the metal cylinder 5 and can not fall off naturally.

Preferably, the dust collector further comprises an observation port 2 for observing the insulating component, wherein the observation port 2 is arranged on the metal cylinder 5 and is used for observing whether dust particles are adsorbed on the insulating component (also used as an operation port for maintenance).

Preferably, the cathode 3 includes a star-shaped cathode plate 31 and a cathode plate connection pipe 16 connected to the star-shaped cathode plate; the star-shaped cathode plate 31 and the metal cylinder 5 can accelerate the ionization speed of gas, accelerate the moving efficiency of dust particles to the metal cylinder 5 and improve the dust suppression effect. Simultaneously can set up a plurality of insulation assembly to a plurality of star negative plates, guarantee that every star negative plate and metal barrel 5 all are in insulating state.

The star-shaped cathode plate is parallel to the cross section of the metal cylinder 5, so that the star-shaped cathode plate 31 and the metal cylinder 5 are ensured to have a short distance, and the overall size of the star-shaped cathode plate is small.

In connection with an embodiment of the present invention, there is also provided an electrode insulation system suitable for use in various insulation systems for protecting electrodes, the electrode insulation system including a metal cylinder as a common electrode and a cathode in contact with (connected to) the metal cylinder, the cathode being a plurality of star-shaped cathode plates 31, the respective star-shaped cathode plates 31 being connected to each other by a cathode plate connection pipe 16 using bolts, the plurality of star-shaped cathode plates 31 being distributed at different positions within the metal cylinder 5. The electrode insulation system further comprises: an insulating assembly by which the cathode is insulatively placed on (connected to) the metal cylinder;

the gas conveying pipe is provided with a gas inlet end and a gas outlet end, the gas outlet end is positioned in the positive pressure gas flow cavity and below the sealing plate, and positive pressure gas discharged from the gas outlet end of the gas conveying pipe forms a positive pressure gas flow area in the positive pressure gas flow cavity below the sealing plate; the positive pressure clean air small environment is formed when positive pressure air passes through the positive pressure air flow cavity.

A plurality of insulating assemblies are provided, i.e. there are a plurality of clean air mini-environments at positive pressure.

The positive pressure clean air small environment constructed by the electrode insulation system enables the flying dust to be difficult to adhere to the insulation assembly and the periphery, thereby fundamentally eliminating the existence of a path for connecting the anode and the cathode to cause discharge due to electrostatic charge creepage, enabling the metal cylinder and the cathode electrode to be insulated and reliable even in a high-humidity environment, and having good effect.

Preferably, one end of the insulator is placed on (connected to) the metal cylinder, and the other end of the insulator is arranged in the positive pressure cover body and positioned between the sealing plate and the cover top; alternatively, the first and second electrodes may be,

In a word, a positive-pressure clean air small environment is constructed by the insulating assembly, so that flying dust with high humidity is difficult to adhere to the insulating assembly and the periphery, the existence of a path for connecting the positive electrode and the negative electrode to cause discharge due to static charge creepage is fundamentally eliminated, the metal cylinder and the negative electrode are ensured to be insulated and reliable even in a high-humidity environment, and the effect is good. The dust suppression device of the belt conveyor can also have good dust suppression effect, stable and reliable operation and longer service life in a high-humidity environment.

The invention also provides another electrode insulation system: the positive-pressure clean air small environment is formed by the insulating assemblies as described above.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The electrostatic dust suppression device with the insulation component is characterized by comprising a metal cylinder (5), a cathode (3) and a conveyer belt (6), wherein the metal cylinder (5) is covered above the conveyer belt (6); the cathode (3) is arranged in the metal cylinder (5);

the electrostatic dust suppression device with the insulation assembly further comprises: an insulating assembly by which the cathode (3) is placed on the metal cylinder (5);

the insulation assembly includes: the positive pressure gas transmission device comprises a positive pressure cover body (9), a sealing plate (8), an insulator (10) and a gas transmission pipe (13) for transmitting positive pressure gas, wherein the positive pressure cover body (9) is covered on the sealing plate (8);

the positive pressure cover body (9) is provided with a cover top and a cover wall connected to the cover top, and the cover wall is positioned below the cover top; the sealing plate (8) is connected to the cover wall of the positive pressure cover body (9) without a gap;

the sealing plate (8) and the cover wall of the positive pressure cover body (9) form a positive pressure airflow cavity; the positive pressure gas flow chamber is between the cathode (3) and the cover top;

the air delivery pipe (13) is provided with an air inlet end and an air outlet end, the air outlet end is arranged in the positive pressure airflow cavity and is positioned below the sealing plate (8), and positive pressure air exhausted from the air outlet end of the air delivery pipe (13) forms a positive pressure airflow region in the positive pressure airflow cavity below the sealing plate (8).

2. The electrostatic dust suppression device with insulation assembly according to claim 1, wherein one end of the insulator (10) is placed on the metal cylinder (5), and the other end of the insulator (10) is disposed in the positive pressure housing (9) and between the sealing plate (8) and the housing top; alternatively, the first and second electrodes may be,

one end of the insulator (10) is connected to the metal cylinder (5) and is arranged on the lower edge of the positive pressure gas flow area below the sealing plate (8) and in the side edge of the positive pressure gas flow area.

3. The electrostatic dust suppression device with insulation assembly according to claim 1, further comprising a deflector (7), wherein the deflector (7) is disposed on a hood wall connected to the positive pressure hood (9) within the positive pressure hood (9), and the deflector (7) is disposed below the sealing plate (8); the guide plate (7) is provided with guide holes, and the guide holes are arranged in the vertical direction.

4. The electrostatic dust suppression device with insulation assembly as claimed in claim 1, wherein said insulator (10) has a plurality of horizontal insulating sheets arranged at vertical intervals.

5. The electrostatic dust suppression device with insulation assembly as claimed in claim 3, further comprising an insulation layer attached to the face of the deflector (7), said insulation layer being perlite filler (11).

6. The electrostatic dust suppression device with the insulation assembly according to claim 1, further comprising a temperature adjusting member for adjusting the temperature of the positive pressure gas entering the air inlet end of the air pipe (13), wherein the temperature adjusting member is arranged at the air inlet end of the air pipe (13).

7. The electrostatic dust suppression device with insulation assembly according to claim 1, wherein the positive pressure shroud (9) is a barrel, the axis of the barrel being in a vertical direction; and the number of the first and second groups,

the air inlet end of the air conveying pipe (13) is arranged outside the metal cylinder body (5), the air inlet end of the air conveying pipe (13) penetrates through the top of the positive pressure cover body (9), the air outlet end of the air conveying pipe (13) penetrates through the sealing plate (8) to enter the positive pressure airflow cavity, and the air conveying pipe (13) is parallel to the axis direction of the barrel body.

8. The electrostatic dust suppressing device with insulation assembly as claimed in claim 1, wherein said insulation assembly further comprises a connecting rod (14), said connecting rod (14) is sleeved in said insulator (10), and one end of said connecting rod (14) is connected to said metal cylinder (5), and the other end of said connecting rod (14) is connected to said cathode (3).

9. An electrode insulation system, characterized by comprising a metal cylinder as a common electrode and a cathode connected to the metal cylinder;

the electrode insulation system further comprises: the cathode is placed on the metal cylinder through the insulating assembly;

the gas transmission pipe is provided with a gas inlet end and a gas outlet end, the gas outlet end is arranged in the positive pressure gas flow cavity and is positioned below the sealing plate, and positive pressure gas discharged from the gas transmission pipe gas outlet end forms a positive pressure gas flow area in the positive pressure gas flow cavity below the sealing plate.

10. The electrode insulation system of claim 9, wherein one end of the insulator is placed on the metal cylinder and the other end of the insulator is disposed within the positive pressure housing and between the sealing plate and the top of the housing; alternatively, the first and second electrodes may be,