CN210411155U

CN210411155U - Cold air closed wet-type electric dust collector insulation box and wet-type electric dust collector

Info

Publication number: CN210411155U
Application number: CN201921140520.7U
Authority: CN
Inventors: 孙正明; 吴传文; 杨鹏
Original assignee: Qingdao Hanasi Environmental Prot Equipment Co ltd
Current assignee: Qingdao Hanasi Environmental Prot Equipment Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-28
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a cold wind seals wet-type electrostatic precipitator insulating case and includes the wet-type electrostatic precipitator of insulating case, the insulating case includes box, insulator, washing unit, wherein, the insulator forms inside the box, washing unit is including forming a plurality of nozzles all around of insulator are used for washing the inner wall of insulator. The utility model discloses the insulating case can solve among the prior art because of the maintenance cost that artifical clearance insulator inner wall brought is high, waste time, hard and production efficiency who leads to from this low, the long scheduling problem of parking time through addding washing unit.

Description

Cold air closed wet-type electric dust collector insulation box and wet-type electric dust collector

Technical Field

The utility model relates to a chemical industry, environmental protection technical field relate to a cold wind seals wet-type electrostatic precipitator insulation box and wet-type electrostatic precipitator particularly.

Background

At present, wet-type electric dust collectors are widely applied to chemical industry and environmental protection industry, especially the industries such as thermoelectricity, power plants, steel, petrifaction and the like become equipment which must be equipped in a desulfurization link, wherein an insulation box is a core device for isolating positive and negative poles of an electric field in the wet-type electric dust collector.

Usually, after wet-type electrostatic precipitator operation a period, can deposit a certain amount of influence insulator insulating properties's dirt on the insulator inner wall in the insulating box, so need park the clearance dirt, prior art adopts the manual work to clear up the dirt of insulator inner wall usually, however, the manual work clearance in-process needs the dismouting insulating box, not only take time, hard, still greatly increased the maintenance cost, and because of the manual work clearance needs the long-time parking of equipment, so current clearance mode still can seriously influence the production progress of equipment, reduce its production efficiency.

Disclosure of Invention

An object of the utility model is to provide a cold wind seals wet-type electrostatic precipitator insulating case to solve among the prior art because of the maintenance cost that artifical clearance insulator inner wall brought high, waste time, hard and production efficiency who leads to from this low, the long scheduling problem of parking time.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

the utility model provides a wet-type electrostatic precipitator insulating case is sealed to cold wind, includes:

a box body;

the insulator is formed inside the box body;

a flushing device, comprising:

and the nozzles are formed around the insulator and used for washing the inner wall of the insulator.

Further, the flushing device comprises:

a water inlet pipe having a valve located outside the tank;

and the water diversion pipe is communicated with the water inlet pipe and surrounds the insulator, and the nozzles are formed on the water diversion pipe at intervals.

Furthermore, the distributive pipe is formed at the bottom of the insulator, and the section of the outer pipe wall of the distributive pipe is rectangular.

Further, the nozzle is a water outlet channel which extends from the inner pipe wall of the water distribution pipe to the outer pipe wall of the water distribution pipe in an inclined and upward manner.

Further, the insulation case includes:

the connecting pipe is formed at the bottom of the box body;

the lower air distribution pipe extends from the bottom of the water distribution pipe to the inside of the connecting pipe;

and the suspender penetrates through the insulator, the water distribution pipe and the lower air distribution pipe and can form a dust removal electric field with the lower air distribution pipe.

Furthermore, the inner side of the outer pipe wall of the water distribution pipe is aligned with the inner wall of the lower air distribution pipe.

Further, the insulation case includes:

a gland formed on the top of the insulator;

the air distributor is formed between the insulator and the gland and comprises:

an upper cover plate;

the upper air distribution pipe extends from the bottom of the upper cover plate to the inside of the insulator;

the lower cover plate surrounds the upper air distribution pipe;

and the cushion blocks are formed between the upper cover plate and the lower cover plate at intervals, and air inlet channels for communicating the inner side and the outer side of the insulator are formed between the adjacent cushion blocks.

Further, the insulation case includes:

and the air inlet pretreatment device is used for discharging filtered air to the box body.

Based on the structural design of foretell cold wind seals wet-type electrostatic precipitator insulation can, the utility model also provides a wet-type electrostatic precipitator, it includes foretell cold wind seals wet-type electrostatic precipitator insulation can.

Compared with the prior art, the utility model discloses an advantage and beneficial effect are:

the utility model discloses a set up washing unit on the insulating case, utilize to form at insulator a plurality of nozzles all around, realize washing the automation of insulator inner wall, not only simple structure, easy to carry out, the practicality is strong, extensive applicability, the automatic wet-type electrostatic precipitator that flows in corresponding of sewage that produces when washing, and discharge from wet-type electrostatic precipitator's drain, need not to set up special sewage collection device, and can avoid all kinds of drawbacks that manual cleaning exists, particularly, the utility model discloses an automatic washing has simplified the cleaning process of insulator inner wall, thereby reducible cost of labor, reduction maintenance cost, and it compares that manual cleaning can effectively shorten the clearance long time, therefore can shorten wet-type electrostatic precipitator's down time, and then be favorable to control production progress, improve production efficiency, and application prospect is extensive.

Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the invention, which is to be read in connection with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an insulation box of a cold air closed wet electric dust collector in an embodiment of the present invention;

fig. 2 is a bottom view of the air distributor according to an embodiment of the present invention;

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

fig. 4 is a schematic structural view of a wet electric precipitator according to an embodiment of the present invention;

description of reference numerals:

a wet electric dust collector 1;

an insulating case 11;

a case 111;

an insulator 112;

a washing device 113; a nozzle 1131; an inlet pipe 1132; a valve 11321; water distribution pipe 1133; a water outlet channel 11331;

a gland 114;

an air distributor 115; an upper cover plate 1151 and a lower cover plate 1152; a cushion block 1153; an upper air distribution pipe 1154;

a boom 116;

a connecting tube 117;

a lower air distribution pipe 118;

an intake air pretreatment device 119; an air intake conduit 1191; a valve 11911; a housing 1192; a blower 1193; a gas filter 1194; legs 1195.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1, the embodiment provides a cold air sealing wet type electric dust collector insulation box 11, including box 111 and the tubular insulator 112 formed inside box 111, insulator 112 can be in the shape of a cylinder or a cone, in order to clean the inner wall of insulator 112 conveniently, insulation box 11 further includes washing unit 113, utilize washing unit 113 to realize the automatic washing of the inner wall of insulator 112 under the prerequisite that need not dismouting insulation box 11, in order to clean the inner wall of insulator 112 all around comprehensively, washing unit 113 includes a plurality of nozzles 1131 formed around insulator 112.

After the wet electric dust collector 1 installed with the insulation box 11 of this embodiment is operated for a period of time, if the dirt deposited on the inner wall of the insulator 112 needs to be cleaned, the operation of the wet electric dust collector 1 is stopped first, and then the washing device 113 connected with an external water source is started, so that water flow is sprayed out from the nozzle 1131, and the inner wall of the insulator 112 can be washed quickly and comprehensively. Because the manual cleaning is not needed to be carried out by disassembling and assembling the insulating box 11, the number of working people can be reduced, the maintenance cost is reduced, various uncertainties existing in the manual cleaning process are avoided, the cleaning time can be effectively shortened, the production cost is reduced, and the practicability is high.

As shown in fig. 1, the washing apparatus 113 of this embodiment includes a water inlet pipe 1132 and a water diversion pipe 1133, wherein the water inlet pipe 1132 is connected to a clean water source outside the box 111, for convenience of control, a valve 11321 outside the box 111 is installed on the water inlet pipe 1132, the water inlet pipe 1132 passes through the box 111 and is communicated with the water diversion pipe 1133 inside the box 111, the water diversion pipe 1133 surrounds the insulator 112 to guide water flow to the periphery of the insulator 112, the nozzles 1131 are formed on the water diversion pipe 1133 at intervals, and in order to ensure uniform washing, the nozzles 1131 are arranged in an annular array along the center line of the insulator 112.

After the insulator 112 is cleaned by the flushing device 113, in order to accelerate the drying of the insulator 112 and further shorten the shutdown time of the wet electric precipitator 1, in some embodiments, negative pressure pumping and cold air are adopted to purge water vapor inside the insulator 112, but the pumping and purging mode needs to pump air in the wet electric precipitator 1 under the negative pressure state, in order to rapidly dry the insulator 112 when the wet electric precipitator 1 is under the positive pressure state, the insulation box 11 of this embodiment includes an air inlet pre-treatment device 119 for achieving active air inlet and air drying of the insulator 112 towards the inside of the box body 111, which is communicated with the box body 111 through an air inlet pipe 1191 provided with a valve 11911, and after the insulator 112 is cleaned by the flushing device 113, the filtered dry cold air is actively conveyed by the air inlet pre-treatment device 119, so as to accelerate the drying of the insulator 112 and ensure the cleanliness of the air at the same time, in addition, during the normal operation of the wet electric dust collector 1, the operation of the air inlet pretreatment device 119 enables clean and dry cold air to continuously and actively purge the insulators 112, which can reduce the flushing frequency of the insulators 112 while maintaining high insulation of the insulators 112.

As shown in fig. 1, the intake air preprocessing device 119 of the embodiment includes a housing 1192, a blower 1193, and an air filter 1194, where the housing 1192 serves as a mounting frame for the blower 1193 and the air filter 1194, and also serves to form an intake air chamber, which integrates the blower 1193 and the air filter 1194 together, so as to facilitate transportation and installation. Specifically, an air outlet a communicating with the air inlet tube 1191 is reserved at the upper part of the housing 1192, an air inlet B is reserved at the lower part of the housing 1192, wherein the fan 1193 is fixed inside the housing 1192 for sucking external air into the housing 1192, and the air filter 1194 is fixed at the air inlet B for filtering air entering the housing 1192. In order to protect the air inlet B, a plurality of support legs 1195 arranged around the air inlet B are installed at the bottom of the housing 1192, the support legs 1195 serve as rails to protect the air inlet B, and the air suction efficiency is improved by the suspended support of the housing 1192.

In order to make the clean and dry gas flow along the inner wall of the insulator 112 sufficiently, the insulation box 11 of the present embodiment includes a gland 114 formed at the top of the insulator 112 and an air distributor 115 formed between the insulator 112 and the gland 114, and the air distributor 115 guides the air flow into the insulator 112 uniformly along the circumference of the top of the insulator 112. As shown in fig. 2 and 3, the air distributor 115 includes an upper cover plate 1151, a lower cover plate 1152, and a plurality of spacers 1153, wherein the lower cover plate 1152 is an annular cover plate, an opening adapted to the top of the insulator 112 is formed in the middle of the lower cover plate 1152, the plurality of spacers 1153 are arranged between the upper cover plate 1151 and the lower cover plate 1152 at intervals, an air inlet channel communicating the inner side and the outer side of the insulator 112 is formed between adjacent spacers 1153, and specifically, an air inlet channel with a height of 3mm is formed by using the spacer 1153 with a height of 3mm in the present embodiment. To achieve uniform air intake, spacers 1153 are arranged in an annular array along the center line of insulator 112.

After the air inlet pretreatment device 119 delivers clean and dry air from the outside to the inside of the box 111, the air enters the inside of the insulator 112 along a plurality of air inlet channels around the top of the insulator 112, and in order to guide the air to flow downward along the inner wall of the insulator 112, the air distributor 115 of the embodiment further includes an upper air distribution pipe 1154, the upper air distribution pipe 1154 is formed at the bottom of the upper cover plate 1151, the lower cover plate 1152 surrounds the outer side of the upper air distribution pipe 1154, that is, the upper air distribution pipe 1154 passes through the opening of the lower cover plate 1152, and extends to the inside of the insulator 112 and defines an air guide channel with the inner wall of the insulator 112. Clean and dry gas entering the interior of the insulator 112 flows downwards along the inner wall of the insulator 112 through the air guide channel, so that the efficiency of sweeping the inner wall of the insulator 112 is improved, air resistance is formed, and the phenomenon that dust-containing gas in the wet electric precipitator 1 moves upwards into the insulating box 11 is avoided.

In this embodiment, the top of the insulator 112 serves as an inlet for clean and dry gas, and dirt is generally not easily deposited when the gas flow is continuously blown downward, for this reason, in this embodiment, the diversion pipe 1133 and the nozzle 1131 are formed at the lower side of the insulator 112, as shown in fig. 1, the diversion pipe 1133 is specifically arranged at the bottom of the insulator 112, and in order to ensure smooth and tight connection with the insulator 112, the cross section of the outer pipe wall of the diversion pipe 1133 is rectangular, and the diversion pipe 1133 has a flat top and a flat bottom which are convenient for being connected with other components due to the rectangular outer pipe wall. To reduce flow resistance, shunt tube 1133 of the present embodiment has a circular inner wall cross-section.

As shown in fig. 1, in order to simplify the structure of flushing device 113 and reduce the modification cost, nozzle 1131 in this embodiment is an outlet channel 11331 formed on water knockout pipe 1133, specifically, it extends obliquely upward from the inner pipe wall of water knockout pipe 1133 to the outer pipe wall of water knockout pipe 1133.

As shown in fig. 1, the insulation box 11 of this embodiment includes a hanger rod 116 hung on the gland 114 and a connecting pipe 117 connected to the main housing of the wet electric dust collector 1, wherein the connecting pipe 117 is formed at the bottom of the box 111 and is further connected to the bottom of the water diversion pipe 1133, the hanger rod 116 passes through the air distributor 115, the insulator 112, and the connecting pipe 117 extends into the main housing of the wet electric dust collector 1, in order to guide the air flow and the water flow in the insulator 112, the insulation box 11 of this embodiment further includes a lower air distribution pipe 118 extending from the bottom of the water diversion pipe 1133 to the inside of the connecting pipe 117, and in order to improve the flow guiding effect, the inner side of the outer wall of the water diversion pipe 1133 is aligned with the inner wall of the lower.

In order to inhibit the dust-containing gas flowing back upwards through the connecting pipe 117, the lower air distribution pipe 118 is made of stainless steel in this embodiment, the suspension rod 116 passes through the insulator 112, the water distribution pipe 1133 and the lower air distribution pipe 118 in sequence, when the suspension rod 116 has high voltage, a high-voltage dust removal electric field is formed between the suspension rod 116 and the lower air distribution pipe 118, and the dust-containing gas in the wet electric dust collector 1 is further purified when flowing back to the space between the lower air distribution pipe 118 and the suspension rod 116, which is also beneficial to maintaining the good insulation performance of the insulator 112.

Based on the insulation box 11, the present embodiment further provides a wet electric dust collector 1, which includes the insulation box 11, as shown in fig. 4.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a wet-type electrostatic precipitator insulating case is sealed to cold wind, includes:

a box body;

the insulator is formed inside the box body;

it is characterized by comprising:

a flushing device, comprising:

2. The cold-air closed wet-type electric dust collector insulation box according to claim 1, wherein the flushing device comprises:

a water inlet pipe having a valve located outside the tank;

3. The insulation box of the cold air closed wet electric dust collector of claim 2, wherein the water diversion pipe is formed at the bottom of the insulator, and the section of the outer pipe wall of the water diversion pipe is rectangular.

4. The insulated box of claim 2, wherein the nozzles are water outlets extending from the inner wall of the water diversion pipe to the outer wall of the water diversion pipe.

5. The insulating box of the cold-air closed wet electric dust collector of claim 2, comprising:

the connecting pipe is formed at the bottom of the box body;

6. The insulation box of the cold air closed wet type electric dust collector of claim 5, wherein the inner side of the outer pipe wall of the water distribution pipe is aligned with the inner wall of the lower air distribution pipe.

7. The insulation box of the cold air closed wet electric dust collector of claim 1, comprising:

a gland formed on the top of the insulator;

an upper cover plate;

the lower cover plate surrounds the upper air distribution pipe;

8. The insulation box of the cold air closed wet electric dust collector of claim 1, comprising:

9. A wet electric dust collector, which comprises the insulation box of the cold air closed wet electric dust collector in any one of claims 1 to 8.