CN216826676U

CN216826676U - Online sewage discharging device for spray water pipe of wet electrostatic dust collector

Info

Publication number: CN216826676U
Application number: CN202123185354.2U
Authority: CN
Inventors: 曹月涛; 刘晓波; 董洪张; 董洪友
Original assignee: Shandong Dahua Environmental Energy Saving Technology Ltd
Current assignee: Shandong Dahua Environmental Energy Saving Technology Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-28
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an online pollution discharge device of a wet electrostatic dust collector spray pipe, which belongs to the field of wet electrostatic dust collectors, and adopts the technical proposal that the online pollution discharge device comprises a wet electrostatic dust collector, the wet electrostatic dust collector is made of a squeezing and drawing formed conductive glass steel pipe, a high-voltage power supply is arranged above the wet electrostatic dust collector, the wet electrostatic dust collector comprises a plurality of dust collecting polar pipes, dust collecting electrodes and discharge electrodes are respectively arranged at the upper side and the lower side of the outer side walls of the dust collecting polar pipes, the inner side walls of the dust collecting polar pipes are respectively and sequentially provided with a carbon fiber felt layer, an inner draw cloth layer, a sand filling layer, a vinyl mixing layer and an outer draw cloth layer from inside to outside, thereby changing the defect that the inner walls of the dust collecting polar pipes made of non-metallic materials are non-conductive, improving the uniform effectiveness of the electric field of the dust collecting electrodes and the charge efficiency of dust, leading the charge dust to be quickly provided with discharge charge on the dust collecting electrodes so as to prevent the secondary flying of the dust, greatly improves the zero potential efficiency and the dust collection efficiency of the dust collection pole, and has low operation and maintenance cost and long service life.

Description

Online sewage discharging device for spray water pipe of wet electrostatic dust collector

Technical Field

The utility model relates to a wet electrostatic precipitator field, in particular to wet electrostatic precipitator spray header online waste fitting discharging.

Background

The emission standards and supervision of flue gas of coal-fired power plants, steel plants, boilers, waste incineration, building materials and the like are more and more strict, and a wet electrostatic dust collector (WESP) is a high-efficiency deep smoke purification device for flue gas of coal-fired power plants, steel plants, small boilers, waste incineration, building materials and the like, can effectively treat PM2.5 particulate matters (PM0.5, PM10), SO3 acid mist, gypsum rain, ammonia sol, heavy metal mercury, dioxin and the like, reduces tail plume of a chimney, solves the problems of gypsum rain and large white smoke, and achieves the standard of dust and the like, and achieves ultra-clean and ultra-low emission.

The dust collecting pole tube in the online sewage discharge device of the spray pipe of the existing wet electrostatic dust collector is non-conductive, the charge efficiency is low, the charge of the charge dust cannot be rapidly set on the dust collecting electrode, the secondary flying phenomenon of the dust is easy to occur, the zero potential efficiency and the dust collecting efficiency of the dust collecting pole are reduced, and the service life of the electrostatic dust collector is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above problem, provide an online waste fitting discharging of wet electrostatic precipitator spray header solves above-mentioned problem.

The utility model discloses a realize like this, an online waste fitting discharging of wet electrostatic precipitator spray header, including wet electrostatic precipitator, wet electrostatic precipitator is made by crowded electrically conductive glass steel pipe of drawing the shaping, high voltage power supply is installed to wet electrostatic precipitator's top, wet electrostatic precipitator includes a plurality of utmost point pipes that gather dust, and is a plurality of gather dust the upper and lower both sides of utmost point pipe lateral wall that gathers dust are installed respectively and are collected a dirt utmost point and discharge electrode, wet electrostatic precipitator's upper and lower both ends communicate respectively has flue gas inlet and flue gas row mouth, the below of flue gas inlet is provided with the wash pipe way, the sewage calandria is all installed to the left and right sides that the mouth was arranged to the flue gas.

Extremely zero potential efficiency and dust collection efficiency gather dust in order to promote, conduct the utility model discloses a wet electrostatic precipitator spray header is online waste fitting discharging preferred, a plurality of the utmost point pipe that gathers dust all adopts the glass steel material, and is a plurality of the inside wall of the utmost point pipe that gathers dust all from interior toward having set gradually carbon fiber felt layer, interior granny rag layer, packing sand bed, vinyl mixing layer, outer granny rag layer outward.

For the convenience is to the pipeline that washes water source, as the utility model discloses a wet electrostatic precipitator spray pipe online waste fitting discharging is preferred, the right side of flue gas inlet sets up the inlet tube, the lower extreme of inlet tube run through wet electrostatic precipitator and with the pipeline that washes intercommunication.

In order to make the area increase that washes, improve the quality and the efficiency that wash, conduct the utility model discloses a wet electrostatic precipitator spray pipe online waste fitting discharging is preferred, the below intercommunication of flushing line has a plurality of evenly distributed's washing terminals.

In order to prevent insulating cover internal insulation quartz capsule dewfall creepage, conduct the utility model discloses a wet electrostatic precipitator spray header online waste fitting is preferred, the insulating casing is installed to wet electrostatic precipitator's lateral wall, the insulating casing adopts corrosion-resistant materials such as steel lining glass scale.

In order to effectively avoid dodging and falling the arc phenomenon of drawing, guarantee the electric field steady operation, conduct the utility model discloses a wet electrostatic precipitator spray header online waste fitting is preferred, high voltage power supply adopts cross current source and high-efficient spark controlling means.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the wet electrostatic precipitator spray pipe online pollution discharge device comprises a plurality of dust collecting pole tubes, wherein the dust collecting pole tubes are made of glass fiber reinforced plastic, and the inner side walls of the dust collecting pole tubes are sequentially provided with a carbon fiber felt layer, an inner draw cloth layer, a sand filling layer, a vinyl mixing layer and an outer draw cloth layer from inside to outside;

2. this kind of online waste fitting discharging of wet electrostatic precipitator spray pipe, wash the pipeline and spray, make the impurity that sprays the aquatic difficult accumulation, guarantee that spray pipe and shower nozzle do not block up, make electric field operation parameter disappearance undulant, make dust collection efficiency improve, guarantee electrostatic precipitator's normal operating, the online waste fitting discharging of wet electrostatic precipitator spray pipe simple structure can long-term steady operation, and the resistance is little, and operation, maintenance cost are low, long service life.

Drawings

FIG. 1 is a structural diagram of an online blowdown device for a spray pipe of a wet electrostatic precipitator;

FIG. 2 is a view of the dust collecting electrode of the present invention; 202. structure of discharge electrode.

In the figure, 1, a wet electric dust collector; 101. a dust collecting pole tube; 102. an insulating case; 103. a flue gas inlet; 105. A water inlet pipe; 106. flushing the pipeline; 107. washing the spray head; 108. a smoke discharge port; 109. a sewage drain pipe; 2. a high voltage power supply; 201. a dust collecting electrode; 202. and discharge electrodes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-2, an online blowdown apparatus for a spray pipe of a wet electrostatic precipitator includes a wet electrostatic precipitator 1, the wet electrostatic precipitator 1 is made of a conductive glass steel pipe formed by extrusion and drawing, a high voltage power supply 2 is installed above the wet electrostatic precipitator 1, the wet electrostatic precipitator 1 includes a plurality of dust collecting pole tubes 101, dust collecting poles 201 and discharge poles 202 are installed on the upper and lower sides of the outer side walls of the dust collecting pole tubes 101 respectively, the upper and lower ends of the wet electrostatic precipitator 1 are communicated with a flue gas inlet 103 and a flue gas discharge port 108 respectively, a flushing pipe 106 is arranged below the flue gas inlet 103, and sewage discharge pipes 109 are installed on the left and right sides of the flue gas discharge port 108.

In this embodiment: the wet electric dust collector 1 is made of a conductive glass steel tube formed by extrusion and drawing, the wet electric dust collector 1 comprises a plurality of dust collecting pole tubes 101, the dust collecting pole tubes 101 are made of glass steel materials, the inner side walls of the dust collecting pole tubes 101 are sequentially provided with a carbon fiber felt layer, an inner draw cloth layer, a sand filling layer, a vinyl mixing layer and an outer draw cloth layer from inside to outside, the defect that the inner wall of the dust collecting pole tube 101 made of non-metal materials is non-conductive is further changed, the uniformity and effectiveness of an electric field of a dust collecting pole 201 and the charge efficiency of dust are improved, the upper side and the lower side of the outer side wall of the dust collecting pole tube 101 are respectively provided with a dust collecting pole 201 and a discharge pole 202, the dust collecting pole 201 adopts corrosion-resistant composite materials as dust collecting pole plates, the dust collecting pole plates are of a modularized structure and honeycomb arrangement, the space can be effectively utilized, the flow field distribution is uniform, the corrosion resistance is realized, the discharge strength is stable, the equipment voltage and the current are in higher parameters, and the better dust collecting effect is ensured, the upper end and the lower end of the wet electrostatic precipitator 1 are respectively communicated with a flue gas inlet 103 and a flue gas outlet 108, treated flue gas enters from the flue gas inlet 103, a high-voltage power supply 2 is started, electric charge dust is rapidly arranged on a dust collecting electrode 201 to prevent secondary flying of the dust, zero potential efficiency and dust collecting efficiency of the dust collecting electrode are greatly improved, a flushing pipeline 106 is used for spraying, impurities in spraying water are not easy to accumulate, a spraying water pipe and a spray head are not blocked, electric field operation parameters are not fluctuated, the dust collecting efficiency is improved, normal operation of the electrostatic precipitator is ensured, the online pollution discharge device for the spraying water pipe of the wet electrostatic precipitator is simple in structure, long-term stable operation can be achieved, resistance is small, operation and maintenance costs are low, and the service life is long.

As the utility model discloses a technical optimization scheme, a plurality of utmost point pipes 101 that gather dust all adopt the glass steel material, and a plurality of utmost point pipes 101 that gather dust's inside wall all from interior toward having set gradually carbon fiber felt layer, interior granny rag layer, packing sand bed, vinyl mix layer, outer granny rag layer outward.

In this embodiment: the defect that the inner wall of the dust collecting polar tube 101 made of non-metallic materials is non-conductive is overcome, and the uniformity and effectiveness of an electric field of the dust collecting pole 201 and the charging efficiency of dust are improved.

As a technical optimization scheme of the utility model, the right side of gas inlet 103 sets up inlet tube 105, and inlet tube 105's lower extreme runs through wet-type electrostatic precipitator 1 and communicates with wash pipe 106.

In this embodiment: the water inlet pipe 105 is used for further facilitating the delivery of water to the flushing pipe 106, and is beneficial to the intermittent flushing or continuous flushing operation of the flushing pipe 106.

As a technical optimization scheme of the present invention, the lower portion of the flushing pipe 106 is communicated with a plurality of evenly distributed flushing nozzles 107.

In this embodiment: the plurality of washing nozzles 107 increases the washing area, improving the washing quality and efficiency.

As a technical optimization scheme of the utility model, insulating shell 102 is installed to wet-type electrostatic precipitator 1's lateral wall, and insulating shell 102 adopts corrosion-resistant materials such as steel lining glass scale.

In this embodiment: the corrosion-resistant materials such as the steel lining glass flakes prevent the insulating quartz tube in the insulating shell 102 from dewing and creepage, and improve the sealing performance of the electric dust collector.

As a technical optimization scheme of the utility model, high voltage power supply 2 adopts cross current source and high-efficient spark controlling means.

In this embodiment: the cross-flow source and the efficient spark control device can effectively avoid the phenomenon of arc discharge caused by flash and ensure the stable operation of an electric field.

The utility model discloses a theory of operation and use flow: the flue gas is treated to enter from the flue gas inlet 103, the high-voltage power supply 2 is started, the discharge charge is rapidly arranged on the dust collecting electrode 201 to prevent dust from flying upwards secondarily, the zero potential efficiency and the dust collecting efficiency of the dust collecting electrode are improved, the flushing pipeline 106 is used for spraying, through space gas ionization, dust particles and fog droplet particles in the flue gas are moved to the dust collecting electrode 201 under the action of electric field force after being charged, the dust particles are collected on the surface of the dust collecting electrode tube 101, impurities in the charged dust are not easy to accumulate in spraying water, the dust collecting electrode tube 101, a spraying water pipe and a spray head are guaranteed not to be blocked, the operating parameters of an electric field are not fluctuated, and the dust collecting efficiency is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an online waste fitting discharging of wet electrostatic precipitator spray header, includes wet electrostatic precipitator (1), wet electrostatic precipitator (1) is made its characterized in that by crowded electrically conductive glass steel pipe of drawing shaping: high voltage power supply (2) are installed to the top of wet-type electrostatic precipitator (1), wet-type electrostatic precipitator (1) is including a plurality of utmost point pipes (101) of gathering dust, and is a plurality of gather dust and install collection dirt utmost point (201) and discharge electrode (202) respectively in the upper and lower both sides of utmost point pipe (101) lateral wall, the upper and lower both ends of wet-type electrostatic precipitator (1) communicate respectively has flue gas inlet (103) and flue gas row mouth (108), the below of flue gas inlet (103) is provided with wash conduit (106), sewage calandria (109) are all installed to the left and right sides of flue gas row mouth (108).

2. The online blowdown device for the spray water pipe of the wet electrostatic precipitator according to claim 1, wherein: it is a plurality of utmost point pipe (101) gather dust all adopt the glass steel material, it is a plurality of gather dust the inside wall of utmost point pipe (101) all from interior toward having set gradually carbon fiber felt layer, interior granny rag layer, packing sand bed, vinyl mix layer, outer granny rag layer outward.

3. The online blowdown device for the spray pipe of the wet electrostatic precipitator according to claim 1, characterized in that: the right side of flue gas inlet (103) sets up inlet tube (105), the lower extreme of inlet tube (105) runs through wet-type electrostatic precipitator (1) and with wash pipeline (106) intercommunication.

4. The online blowdown device for the spray water pipe of the wet electrostatic precipitator according to claim 1, wherein: a plurality of uniformly distributed flushing nozzles (107) are communicated below the flushing pipeline (106).

5. The online blowdown device for the spray water pipe of the wet electrostatic precipitator according to claim 1, wherein: an insulating shell (102) is installed on the outer side wall of the wet electric dust collector (1), and the insulating shell (102) is made of corrosion-resistant materials such as steel lining glass flakes.

6. The online blowdown device for the spray water pipe of the wet electrostatic precipitator according to claim 1, wherein: the high-voltage power supply (2) adopts a cross-current source and a high-efficiency spark control device.