CN212204590U

CN212204590U - Low low temperature electrostatic precipitator system of thermal power factory

Info

Publication number: CN212204590U
Application number: CN202020530243.7U
Authority: CN
Inventors: 于恒亮; 马海滨; 田飞
Original assignee: Guoyuan Design Co ltd
Current assignee: Guoyuan Design Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-22
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a low-low temperature electric dust removing system of a thermal power plant, which comprises a flue gas receiver, the flue gas receiver is connected with a heat recovery box through a pipeline, the heat recovery box is connected with an electric dust removal box through a pipeline, the electric dust removal box is fixedly provided with an induced draft fan through a pipeline, a chimney is fixedly arranged at the outlet of the induced draft fan through a pipeline, a flue gas pipeline is fixedly arranged on the side surface of the heat recovery box, heat exchange fins are fixedly welded on the surface of the flue gas pipeline, the heat exchange fins are positioned in the inner position of the heat recovery box, the two end heads of the flue gas pipeline are respectively fixedly welded with an air inlet pipe and an air outlet pipe, one end of the flue gas pipeline is fixedly provided with a discharge pipe, the other end of the discharge pipe is provided with a sealing plate through threads, therefore, the convenience and the stability of use can be greatly improved, and the high efficiency of heat recovery and dust removal is ensured.

Description

Low low temperature electrostatic precipitator system of thermal power factory

Technical Field

The utility model relates to a dust pelletizing system field, more specifically say, relate to a low temperature electrostatic precipitator system of thermal power factory.

Background

In the work of thermal power factory, can produce a large amount of flue gases, in order to guarantee environmental stability, need remove dust and handle the back and discharge, the low temperature dust pelletizing system who generally all adopts reduces the flue gas temperature through heat recovery, guarantees dust removal effect.

But among the current electric precipitation system structure, it is direct inside the heat transfer box of installing flue gas pipeline more, so not only area of contact is less, influences heat recovery efficiency, and the flue gas is in the inside deposit of pipeline easily moreover, is unfavorable for the clearance, also can influence the heat transfer effect, and the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a low temperature electrostatic precipitator system of thermal power factory, through welding the heat exchanger fin on flue gas pipeline, and then install inside the heat recovery incasement portion, can increase heat transfer area, guarantee heat recovery efficiency, arrange the toper ring that material pipe and push rod are connected through installing at both ends simultaneously, do benefit to the promotion and clear up inside, conveniently detach the deposit, can improve the convenience and the stability of use like this greatly, guarantee the high efficiency of heat recovery and dust removal.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a low temperature electrostatic precipitator system of thermal power factory, includes the flue gas receiver, the flue gas receiver has the heat recovery case through the pipe connection, the heat recovery case has the electric dust removal case through the pipe connection, the electric dust removal case is according to the draught fan through the pipeline is fixed, there is the chimney in the exit of draught fan through pipeline fixed mounting, the side fixed mounting of heat recovery case has flue gas pipeline, flue gas pipeline's fixed surface welding has the fin, the fin is located the inside position of heat recovery case, flue gas pipeline's both ends head fixed welding respectively has intake pipe and outlet duct, flue gas pipeline's one end fixed mounting has row's material pipe, arrange the other end screw thread of material pipe and install the closing plate.

Further, the other end of flue gas pipeline is equipped with the sealing washer, the side slidable mounting of sealing washer has the push rod, comes slidable mounting push rod through the sealing washer, can guarantee the leakproofness of hookup location, avoids revealing, does benefit to the use.

Further, support fixedly connected with toper ring is passed through to the one end of push rod, the side sliding connection of toper ring is in flue gas pipeline's one end side, and inside the toper ring of connecting through the push rod was connected to flue gas pipeline, can scrape the clearance to the lateral wall, guaranteed heat transfer stability, do benefit to recycle.

Further, intake pipe and outlet duct all connect perpendicularly in flue gas pipeline's a side surface, and are located the both ends of heat recovery case respectively, through connecting intake pipe and outlet duct perpendicularly, can carry out the heat transfer to the flue gas water conservancy diversion, and the velocity of flow reduces, can not interfere the clearance simultaneously, and is convenient high-efficient, does benefit to the use.

Furthermore, the heat exchange plates are uniformly connected to the surface of the flue gas pipeline at equal angles.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through welding the heat exchanger fin on flue gas pipeline, and then installs inside the heat recovery case, can increase heat transfer area, guarantees heat recovery efficiency, simultaneously through the toper ring of arranging material pipe and push rod connection at both ends installation, does benefit to the promotion and clears up inside, conveniently detach the deposit.

(2) The push rod is slidably mounted through the sealing ring, so that the sealing performance of the connecting position can be guaranteed, leakage is avoided, and the use is facilitated.

(3) Inside the toper ring of connecting through the push rod was connected to flue gas pipeline, can scrape the clearance to the lateral wall, guaranteed heat transfer stability, do benefit to recycle.

(4) Through connecting intake pipe and outlet duct perpendicularly, can reduce the velocity of flow to the flue gas water conservancy diversion and carry out the heat transfer, can not interfere the clearance simultaneously, convenient high efficiency does benefit to the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a heat recovery tank of the present invention;

fig. 3 is an enlarged view of the position a of the push rod connection in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1 flue gas receiver, 11 heat recovery boxes, 12 electric dust removal boxes, 13 induced draft fans, 14 chimneys, 2 flue gas pipelines, 21 heat exchange fins, 22 air inlet pipes, 23 air outlet pipes, 24 discharging pipes, 25 sealing plates, 26 sealing rings, 27 push rods, 28 supports and 29 conical rings.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a low-temperature and low-temperature electric dust removal system of a thermal power plant comprises a flue gas receiver 1, referring to fig. 1 and 2, the flue gas receiver 1 is connected with a heat recovery tank 11 through a pipeline, the heat recovery tank 11 is connected with an electric dust removal tank 12 through a pipeline, the electric dust removal tank 12 is fixedly provided with an induced draft fan 13 through a pipeline, an outlet of the induced draft fan 13 is fixedly provided with a chimney 14 through a pipeline, the flue gas can be received for electric dust removal, the specific flow and the structural principle belong to the prior art, and are not described any more, a flue gas pipeline 2 is fixedly arranged on the side surface of the heat recovery tank 11, a heat exchange plate 21 is fixedly welded on the surface of the flue gas pipeline 2, circulating water can be introduced into the heat recovery tank 11, heat exchange is carried out through the heat exchange plate 21, the flue gas can be cooled, particularly, the, avoid back corona phenomenon, thereby improve dust collection efficiency, heat exchanger fin 21 is located the inside position of heat recovery case 11, the both ends head of flue gas pipeline 2 fixed welding respectively has intake pipe 22 and outlet duct 23, can admit air perpendicularly, and then change the water conservancy diversion direction, the velocity of flow is reduced, do benefit to and increase the heat transfer time, make things convenient for heat recovery to utilize, the one end fixed mounting of flue gas pipeline 2 arranges material pipe 24, arrange material pipe 24's other end screw thread and install closing plate 25, closing plate 25 can be opened when not, and then will carry out the flue gas pipeline 2 of heat recovery part and clear up, and the heat exchange efficiency is improved.

Referring to fig. 2 and 3, a sealing ring 26 is arranged at the other end of the flue gas pipeline 2, a push rod 27 is slidably mounted on the side surface of the sealing ring 26, one end of the push rod 27 is fixedly connected with a conical ring 29 through a support 28, the side surface of the conical ring 29 is slidably connected with the side surface of one end of the flue gas pipeline 2, the conical ring 29 is pulled to the foremost side in normal use, and the cleaning operation can be stopped, then the conical ring 29 is pushed backwards through the push rod 27, deposited smoke on the side wall can be scraped, and then the smoke is discharged from the end part of the discharge pipe 24, so that the cleaning operation is convenient, the flue gas pipeline 2 does not need to be disassembled, and the.

During the use, can be in the inside circulating water that lets in of heat recovery case 11, simultaneously from intake pipe 22 with ancient people's flue gas, and then carry out the heat exchange through heat exchanger fin 21, both can cool down the flue gas, can retrieve the heat and heat the soft water again, and pull the most front side with toper ring 29 during normal use simultaneously, and during the clearance, can the stop work, then push away toper ring 29 backward through push rod 27, can strike off the sedimentary smoke and dust of lateral wall, and then discharge from the tip of arranging material pipe 24, convenient clearance operation, need not unpack flue gas pipeline 2 apart, high efficiency is stable, and the use is favorable to.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a low temperature electrostatic precipitator system of thermal power factory, includes flue gas receiver (1), its characterized in that: flue gas receiver (1) has heat recovery case (11) through the pipe connection, heat recovery case (11) have electric dust removal case (12) through the pipe connection, electric dust removal case (12) are fixed according to draught fan (13) through the pipeline, there is chimney (14) in the exit of draught fan (13) through pipeline fixed mounting, the side fixed mounting of heat recovery case (11) has flue gas pipeline (2), the fixed surface welding of flue gas pipeline (2) has heat exchanger fin (21), heat exchanger fin (21) are located the inside position of heat recovery case (11), the both ends head of flue gas pipeline (2) fixed welding respectively has intake pipe (22) and outlet duct (23), the one end fixed mounting of flue gas pipeline (2) is arranged material pipe (24), arrange the other end screw thread of material pipe (24) and install closing plate (25).

2. The low-low temperature electric precipitation system of the thermal power plant as claimed in claim 1, wherein: the other end of flue gas pipeline (2) is equipped with sealing washer (26), the side slidable mounting of sealing washer (26) has push rod (27).

3. The low-low temperature electric precipitation system of the thermal power plant as claimed in claim 2, wherein: one end of the push rod (27) is fixedly connected with a conical ring (29) through a support (28), and the side surface of the conical ring (29) is connected to the side surface of one end of the flue gas pipeline (2) in a sliding mode.

4. The low-low temperature electric precipitation system of the thermal power plant as claimed in claim 1, wherein: and the air inlet pipe (22) and the air outlet pipe (23) are vertically connected to the surface of one side of the flue gas pipeline (2) and are respectively positioned at two ends of the heat recovery box (11).

5. The low-low temperature electric precipitation system of the thermal power plant as claimed in claim 1, wherein: the heat exchange fins (21) are uniformly connected to the surface of the flue gas pipeline (2) at equal angles.