CN213102703U - Gas equalizing device used inside high-voltage wet electrostatic dust collector - Google Patents
Gas equalizing device used inside high-voltage wet electrostatic dust collector Download PDFInfo
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- CN213102703U CN213102703U CN202021326509.2U CN202021326509U CN213102703U CN 213102703 U CN213102703 U CN 213102703U CN 202021326509 U CN202021326509 U CN 202021326509U CN 213102703 U CN213102703 U CN 213102703U
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Abstract
The utility model provides an equal gas device for inside of high pressure wet electrostatic precipitator, its characterized in that: the main beam and the main longitudinal beam are both provided with a plurality of large holes, the main beam and the main longitudinal beam are perpendicular to each other to form large holes, one end of each large hole is provided with an auxiliary beam and an auxiliary longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are perpendicular to each other to form small holes, and the main beam, the main longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are made of glass fiber reinforced plastic gratings. Through laying the gas device of samming in the below of wet electric system bottom module, will be equipped with one side of aperture and install on upper portion, be equipped with macroporous one side and install on upper portion, carry out the equipartition to the flue gas, the installation and the maintenance platform of regard as wet electric system simultaneously use, can improve dust collection efficiency, can guarantee wet electrostatic precipitator's result of use and life-span, guarantee the normal use of equipment. The gas homogenizing device has the advantages of high structural strength, strong corrosion resistance and excellent gas homogenizing performance.
Description
Technical Field
The utility model relates to a wet electrostatic precipitator technical field.
In particular to a gas-homogenizing device used in a high-voltage wet electrostatic precipitator.
Background
The high-voltage wet electrostatic dust collector drives fine smoke dust in the smoke gas by using high-voltage pulse direct current and an electric field to accelerate the fine smoke dust to be settled on the surface of an anode so as to remove dust particles in the smoke gas, and is equipment for secondarily capturing and purifying residual liquid drops and smoke dust filtered by a mechanical dust collector of an absorption tower.
Introducing 0-80 kV (adjustable) high-voltage pulse direct current into the device, enabling a corona electrode suspended in the device to continuously emit electrons, ionizing gas between electrodes into positive and negative ions, enabling particles such as dust to touch the ions to generate charge, moving the charged dust particles in the directions opposite in electric polarity according to the principle that like charges repel and opposite charges attract, enabling positive ions to move towards the corona electrode, and enabling the electrons and negative ions to move towards a precipitation electrode. Under the action of an electric field, charged dust particles move to the inner wall of the precipitation electrode and fall along the wall along the dead weight, and the charged dust particles fall into a dust collecting device below the electric dust collector and enter a wastewater collecting tank through an external drainage pipe, so that the discharged flue gas is purified, and the national industry emission standard is met.
In the original wet electrostatic precipitator system, the bottom gas-homogenizing device is made of carbon steel corrosion-resistant or 316L material. The gas homogenizing device made of the carbon steel in an anti-corrosion mode is large in space, deformation exists in welding, processing difficulty is large, and an anti-corrosion effect is not good. The gas homogenizing device manufactured by 316L processing has the characteristic of large distance, and has poor corrosion resistance in low-temperature flue gas containing chloride ions and high manufacturing cost. Therefore, the gas equalizing devices in the two forms cannot be well applied to a wet electrostatic dust collector system, and certain defects exist in improvement of the dust collection efficiency of the wet electrostatic dust collector.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point of above-mentioned conventional art, to prior art not enough, provide one kind and improve dust collection efficiency, can guarantee wet electrostatic precipitator's result of use and life-span, guarantee the normal use of equipment and be used for the inside gas equalizing device of high pressure wet electrostatic precipitator.
The purpose of the utility model is achieved through the following technical measures: the utility model provides an inside gas distribution device for high pressure wet electrostatic precipitator which characterized in that: the main beam and the main longitudinal beam are both provided with a plurality of large holes, the main beam and the main longitudinal beam are perpendicular to each other to form large holes, one end of each large hole is provided with an auxiliary beam and an auxiliary longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are perpendicular to each other to form small holes, and the main beam, the main longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are made of glass fiber reinforced plastic gratings.
As an improvement of the technical scheme: the big hole is square, and the big hole is equipped with a plurality ofly.
As an improvement of the technical scheme: the large holes are of equal size.
As an improvement of the technical scheme: the small holes are also square, and a plurality of small holes are arranged.
As an improvement of the technical scheme: the plurality of orifices are of equal size.
As an improvement of the technical scheme: the number of the small holes arranged at one end of the large holes is equal.
As an improvement of the technical scheme: the thickness of the main cross beam and the main longitudinal beam are both H, and the thickness of the auxiliary cross beam and the auxiliary longitudinal beam is 0.5H.
As an improvement of the technical scheme: and one side of the auxiliary cross beam and the auxiliary longitudinal beam, which is far away from the large hole, is arranged in parallel with the main cross beam and the main longitudinal beam.
As an improvement of the technical scheme: the width of the main cross beam and the width of the main longitudinal beam are both D, and the side length of the large hole is 7D-8D.
As an improvement of the technical scheme: the width of the auxiliary cross beam and the auxiliary longitudinal beam is D, and the side length of the small hole is 2.5-3.5D.
Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides an equal gas device for inside of high pressure wet electrostatic precipitator lays equal gas device through the below at wet electric system bottom module, will be equipped with one side of aperture and install on upper portion, is equipped with macroporous one side and installs on upper portion, carries out the equipartition to the flue gas, and the installation and the maintenance platform of regard as wet electric system simultaneously use can improve dust collection efficiency, can guarantee wet electrostatic precipitator's result of use and life-span, assurance equipment's normal use. The gas homogenizing device has the advantages of high structural strength, strong corrosion resistance and excellent gas homogenizing performance. The defects of corrosion resistance of carbon steel and glass flakes or 316L are overcome, the service life of the wet electrostatic dust collector is ensured, the gas cannot run, the dust collection efficiency is improved, and the operation cost is saved.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a schematic structural view of a gas-equalizing device used inside a high-pressure wet electrostatic precipitator.
Fig. 2 is a schematic view of a cross-sectional structure a-a of a gas-equalizing device used in a high-voltage wet electrostatic precipitator according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): as shown in the attached figures 1-2, the gas-homogenizing device used in the high-pressure wet electrostatic dust collector is characterized in that: including main beam 1 and main longitudinal 2, main beam 1 and main longitudinal 2 all are equipped with a plurality ofly, and are a plurality of main beam 1 and main longitudinal 2 set up perpendicularly mutually and form macropore 3, the one end of macropore 3 is equipped with vice crossbeam 4 and vice longeron 5, vice crossbeam 4 and vice longeron 5 set up perpendicularly mutually and form aperture 6, main beam 1, main longitudinal 2, vice crossbeam 4 and vice longeron 5 are glass steel grating and make. In the embodiment, the main cross beam 1, the main longitudinal beam 2, the auxiliary cross beam 4 and the auxiliary longitudinal beam 5 are staggered to form a grid with large holes 3 and small holes 6, the grid is formed by staggering and weaving glass fibers and integrally molding through resin pouring. The existence of corrosive liquid and gas causes rapid corrosion of metal in the areas, although measures such as an anti-corrosion layer are taken, the corrosion to components is still extremely remarkable, the production environment is severe, the safe production is influenced, production halt and maintenance are sometimes necessary, the grid serving as a structural material in the areas can achieve a very good effect, and the grid has the advantages of long service life, low cost, corrosion resistance, aging resistance, safety, reliability, no need of maintenance, elegant appearance and the like. During the installation, lay the gas equalizing device in the below of wet electric system bottom module, install the one side that will be equipped with aperture 6 in the lower part, install on upper portion one side that is equipped with macropore 3, carry out the equipartition to the flue gas, the installation and the maintenance platform of regard as wet electric system simultaneously use, can improve dust collection efficiency, can guarantee wet electrostatic precipitator's result of use and life-span, guarantee the normal use of equipment. The gas homogenizing device has the advantages of high structural strength, strong corrosion resistance and excellent gas homogenizing performance. Overcomes the defects of corrosion prevention of carbon steel and glass flakes or 316L. The service life of the wet electrostatic dust collector is ensured, the uniform distribution of gas is ensured, the dust collection efficiency is improved, and the operation cost is saved.
The large holes 3 are square, and a plurality of large holes 3 are arranged. The macro pores 3 are of equal size. In the embodiment, 9 large holes 3 are arranged, and the 9 large holes 3 are transversely and longitudinally closely arranged and then are in a nine-grid shape integrally.
The small holes 6 are also square, and a plurality of small holes 6 are arranged. The plurality of small holes 6 are equal in size. Four small holes 6 are arranged in each large hole 3, the number of the small holes 6 arranged at one end of the large holes 3 is equal, and 36 small holes 6 are arranged in total.
The thicknesses of the main cross beam 1 and the main longitudinal beam 2 are both H, and the thicknesses of the auxiliary cross beam 4 and the auxiliary longitudinal beam 5 are 0.5H. In the embodiment, H is 30mm, and the thicknesses of the sub-cross beam 4 and the sub-longitudinal beam 5 are half of the thicknesses of the main cross beam 1 and the main longitudinal beam 2 and are 15 mm.
As shown in fig. 2, the side of the secondary cross beam 4 and the secondary longitudinal beam 5 far from the large hole 3 is flush with the main cross beam 1 and the main longitudinal beam 2. The processing is convenient, and the big hole 3 with larger side length is positioned at one end, and the small hole 6 with smaller side length is positioned at one end.
The width of the main beam 1 and the width of the main longitudinal beam 2 are both D, and the side length of the large hole 3 is 7D-8D. The width of the auxiliary cross beam 4 and the auxiliary longitudinal beam 5 is D, soThe side length of the small hole 6 is 2.5D-3.5D. In this embodiment, D is 6mm, the side length of the large hole 3 is 44mm, and the side length of the small hole 6 is 19mm, so that the side length of the whole gas-homogenizing device is 156mm and the area is 24336mm as shown in FIG. 12The area of the small holes 6 is smaller than that of the large holes 3, so that the smoke passing through is subject to the small holes 6 with small areas, and the area of the small holes 6 is 12996mm2The opening rate is 57.76%, and the resistance is less than 50 Pa.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an inside gas distribution device for high pressure wet electrostatic precipitator which characterized in that: the main beam and the main longitudinal beam are both provided with a plurality of large holes, the main beam and the main longitudinal beam are perpendicular to each other to form large holes, one end of each large hole is provided with an auxiliary beam and an auxiliary longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are perpendicular to each other to form small holes, and the main beam, the main longitudinal beam, the auxiliary beam and the auxiliary longitudinal beam are made of glass fiber reinforced plastic gratings.
2. The gas uniformizing apparatus as recited in claim 1, wherein: the big hole is square, and the big hole is equipped with a plurality ofly.
3. The gas uniformizing apparatus as recited in claim 2, wherein: the large holes are of equal size.
4. The gas uniformizing apparatus as recited in claim 1, wherein: the small holes are also square, and a plurality of small holes are arranged.
5. The gas uniformizing apparatus as recited in claim 4, wherein said gas uniformizing apparatus comprises: the plurality of orifices are of equal size.
6. The gas uniformizing apparatus as recited in claim 1, wherein: the number of the small holes arranged at one end of the large holes is equal.
7. A gas uniformizing apparatus as defined in any one of claims 1 to 6 for use in a high voltage wet electrostatic precipitator, wherein: the thickness of the main cross beam and the main longitudinal beam are both H, and the thickness of the auxiliary cross beam and the auxiliary longitudinal beam is 0.5H.
8. The gas uniformizing apparatus as recited in claim 7, wherein: and one side of the auxiliary cross beam and the auxiliary longitudinal beam, which is far away from the large hole, is arranged in parallel with the main cross beam and the main longitudinal beam.
9. The gas uniformizing apparatus as recited in claim 8, wherein: the width of the main cross beam and the width of the main longitudinal beam are both D, and the side length of the large hole is 7D-8D.
10. The gas uniformizing apparatus as recited in claim 8, wherein: the width of the auxiliary cross beam and the auxiliary longitudinal beam is D, and the side length of the small hole is 2.5-3.5D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326509.2U CN213102703U (en) | 2020-07-08 | 2020-07-08 | Gas equalizing device used inside high-voltage wet electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326509.2U CN213102703U (en) | 2020-07-08 | 2020-07-08 | Gas equalizing device used inside high-voltage wet electrostatic dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN213102703U true CN213102703U (en) | 2021-05-04 |
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| CN202021326509.2U Active CN213102703U (en) | 2020-07-08 | 2020-07-08 | Gas equalizing device used inside high-voltage wet electrostatic dust collector |
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| CN (1) | CN213102703U (en) |
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