CN217584386U

CN217584386U - Steam heat tracing waste heat comprehensive utilization device for electrostatic dust collection ash bucket

Info

Publication number: CN217584386U
Application number: CN202220839866.1U
Authority: CN
Inventors: 魏鹏飞; 马春鹏; 王家贵; 郭兵; 荣立强
Original assignee: Shandong Xuguo Energy Co ltd
Current assignee: Shandong Xuguo Energy Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-10-14
Anticipated expiration: 2032-04-11

Abstract

The utility model provides an electrostatic precipitator ash fill steam companion heat waste heat comprehensive utilization device relates to the heat recovery technical field of electrostatic precipitator ash fill, which comprises a mounting bracket, be equipped with electrostatic precipitator on the mounting bracket, the last flue that is equipped with of electrostatic precipitator, the electrostatic precipitator bottom is equipped with electrostatic precipitator ash fill, electrostatic precipitator ash fill surface is equipped with steam heater pipe network, steam heater pipe network outside is equipped with the heat collecting cover, both ends all closely laminate with electrostatic precipitator ash fill about the heat collecting cover, the heat collecting covers the intercommunication and has first heat pipeline, first heat pipeline one end is connected with the heat pump, the heat outlet department intercommunication of heat pump has second heat pipeline, second heat pipeline needs heating equipment with the external world to be connected. The utility model discloses simple structure has avoided the electrostatic precipitator ash collecting bucket heat loss that produces in the heating process, has reached energy saving and consumption reduction purpose, excellent in use effect.

Description

Steam heat tracing waste heat comprehensive utilization device for electrostatic dust collection ash bucket

Technical Field

The utility model relates to a heat recovery technical field of electrostatic precipitator ash bucket particularly, relates to an electrostatic precipitator ash bucket steam companion heat waste heat comprehensive utilization device.

Background

The boiler used in the thermal power plant is a coal-fired boiler, the proportion of the amount of the ash discharged by the coal-fired boiler along with the smoke is generally large, and the ash is directly discharged into the atmosphere without being separated and removed, so that the health of people is harmed, and the surrounding environment and the growth of animals and plants are influenced. Because the dust collector is easily adsorbed by static electricity, the electrostatic dust collection hopper is developed as a high-efficiency dust pollutant treatment device; the electrostatic precipitator makes flue gas generate ionization by utilizing a high-voltage electric field, dust charge in air flow is separated from the air flow under the action of the electric field, and in the process of capturing dust by the electrostatic precipitator, an electrostatic precipitation dust hopper needs to be heated to neutralize the temperature difference between the inside and the outside of the electrostatic precipitation dust hopper, so that the temperature of the electrostatic precipitation dust hopper is kept constant, and the dust hopper is prevented from hardening.

The heating of the electrostatic dust collection hopper is generally to lay a steam heater pipe network outside the four walls of the electrostatic dust collection hopper, and then to finish the heating of the dust collection hopper through a main air inlet pipe, branch pipes and return pipes; however, heat loss is generated in the heating process of the ash bucket, and how to recycle the heat loss generated in the heating process of the ash bucket becomes a problem in the present stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art, and then providing a comprehensive utilization device of the steam heat tracing waste heat of the electrostatic dust removal ash bucket.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electrostatic precipitator ash fill steam companion heat waste heat comprehensive utilization device, includes the mounting bracket, be equipped with electrostatic precipitator on the mounting bracket, the last flue that is equipped with of electrostatic precipitator, the electrostatic precipitator bottom is equipped with electrostatic precipitator ash fill, electrostatic precipitator ash fill surface is equipped with steam heater pipe network, steam heater pipe network outside is equipped with the thermal-arrest cover, both ends all closely laminate with electrostatic precipitator ash fill about the thermal-arrest cover, the intercommunication has first heat pipeline on the thermal-arrest cover, first heat pipeline one end is connected with the heat pump, the intercommunication of the play heat department of heat pump has second heat pipeline, second heat pipeline needs heating equipment with the external world to be connected.

Furthermore, the heat collecting cover is arranged above the ash outlet of the electrostatic dust collection hopper so as to prevent the heat collecting cover from contacting the ash outlet of the electrostatic dust collection hopper to influence the ash discharging effect.

Furthermore, a heat recovery pipeline is arranged on the electrostatic dust collector and communicated with the second heat pipeline to realize the compensation of the internal temperature of the electrostatic dust collector.

Furthermore, heat insulation layers are arranged on the heat collection cover, the first heat pipeline and the second heat pipeline to reduce heat loss.

Furthermore, the heat collection cover is made of stainless steel materials so as to avoid rusting and reduce the heat collection effect.

Furthermore, an upper sealing ring and a lower sealing ring are respectively arranged at the upper joint and the lower joint of the heat collection cover and the electrostatic dust removal ash bucket, and the design avoids heat leakage generated at the joint of the heat collection cover and the electrostatic dust removal ash bucket.

Furthermore, the heat collecting cover is connected with the electrostatic dust collecting hopper through bolts, so that the heat collecting cover and the electrostatic dust collecting hopper can be conveniently assembled and disassembled.

Furthermore, the heat collecting cover is connected with the electrostatic dust removal ash bucket in a welding mode, so that the sealing effect between the heat collecting cover and the electrostatic dust removal ash bucket is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up a thermal-arrest cover in steam heater pipe network outside, closely laminate thermal-arrest cover and electrostatic precipitator ash fill, make the heat gathering that produces among the steam heater pipe network heating process in the thermal-arrest cover, the design through the heat pump again, make the heat of thermal-arrest cover inside storage transmitted to the external world by the heat pump and need the firing equipment, moreover, the steam heater pipe network heating system is simple in structure, think about ingeniously, the heat loss of electrostatic precipitator ash collection fill production in the heating process has been avoided, the energy saving and consumption reduction purpose has been reached.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a partial enlarged view of A in FIG. 1;

wherein: the heat collecting device comprises a mounting frame 1, an electrostatic dust collector 2, a flue 21, a heat recovery pipe 22, an electrostatic dust collecting hopper 3, a steam heater pipe network 4, a heat collecting cover 5, an upper sealing ring 51, a lower sealing ring 52, a first heat pipeline 6, a heat pump 7 and a second heat pipeline 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. The invention will be further explained by the following embodiments with reference to the drawings:

as shown in fig. 1, an electrostatic precipitator ash fill steam accompanies hot waste heat comprehensive utilization device, including mounting bracket 1, be equipped with electrostatic precipitator 2 on the mounting bracket, be equipped with the flue 21 that is used for absorbing the flue gas on the electrostatic precipitator, the electrostatic precipitator bottom is equipped with electrostatic precipitator ash fill 3, electrostatic precipitator ash fill surface is equipped with steam heater pipe network 4, steam heater pipe network outside is equipped with the heat-collecting cover 5 sealed with whole steam heater pipe network, both ends all closely laminate in order to avoid steam heater pipe network to the thermal scattering and disappearing of electrostatic precipitator ash fill heating process with electrostatic precipitator ash fill about the heat-collecting cover, it is worth explaining, the top that the heat-collecting cover is in the ash hole of electrostatic precipitator ash fill influences the ash effect in order to avoid heat-collecting cover and electrostatic precipitator ash hole contact, the last intercommunication of heat-collecting cover has first heat pipeline 6, first heat pipeline one end is connected with heat pump 7, the heat outlet department intercommunication of heat pump has second heat pipeline 8, second heat pipeline needs heating equipment to be connected with the external world, if: act on the boiler and can realize preheating to the boiler, act on the demineralized water case and can realize the compensation to the demineralized water case temperature, in this embodiment, be equipped with heat recovery pipeline 22 on the electrostatic precipitator, heat recovery pipeline is linked together with the second heat pipeline in order to realize the compensation to the inside temperature of electrostatic precipitator.

In the specific implementation process of the scheme, heat generated in the heating process of the electrostatic dust collection hopper by the steam heater pipeline network is collected by the heat collection cover, so that the heat generated by the heat collection cover is prevented from being dissipated into the air to cause waste, and the heat collected by the heat collection cover in a unified manner can be pumped into an external heating device to be heated from the heat collection cover under the action of the heat pump, so that the purpose of recycling is achieved.

In order to further reduce the heat loss generated in the heat recovery process, the heat collecting cover, the first heat pipeline and the second heat pipeline are all provided with heat insulating layers to reduce the heat loss.

Wherein, the heat collecting cover is made of stainless steel materials so as to avoid rusting and reduce the heat collecting effect.

In at least one embodiment, as shown in fig. 1 and fig. 2, in order to avoid the situation that heat is generated and leaked from the connection portion between the heat collecting cover and the electrostatic dust collecting hopper, an upper sealing ring 51 and a lower sealing ring 52 are respectively disposed at the upper and lower connection portions of the heat collecting cover and the electrostatic dust collecting hopper, and of course, in this scheme, the heat collecting cover and the electrostatic dust collecting hopper are connected by bolts so as to be conveniently mounted and dismounted.

In other embodiments, the heat collecting cover is connected with the electrostatic dust collecting hopper in a welding mode, and although the sealing effect is good, the assembly and disassembly between the heat collecting cover and the electrostatic dust collecting hopper are inconvenient.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description in the above embodiments and the specification is only for illustrating the principles of the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electrostatic precipitator ash fill steam accompanies hot waste heat comprehensive utilization device, a serial communication port, including the mounting bracket, be equipped with electrostatic precipitator on the mounting bracket, the last flue that is equipped with of electrostatic precipitator, the electrostatic precipitator bottom is equipped with electrostatic precipitator ash fill, electrostatic precipitator ash fill surface is equipped with steam heater pipe network, steam heater pipe network outside is equipped with the thermal-arrest cover, both ends all closely laminate with electrostatic precipitator ash fill about the thermal-arrest cover, the intercommunication has first heat pipeline on the thermal-arrest cover, first heat pipeline one end is connected with the heat pump, the intercommunication of the play heat department of heat pump has second heat pipeline.

2. The steam heat tracing waste heat comprehensive utilization device for the electrostatic dust collection hopper as claimed in claim 1, wherein the heat collection cover is located above an ash outlet of the electrostatic dust collection hopper.

3. The comprehensive utilization device of steam heat tracing waste heat of the electrostatic precipitator dust hopper according to claim 1, wherein a heat recovery pipeline is arranged on the electrostatic precipitator, and the heat recovery pipeline is communicated with the second heat pipeline.

4. The comprehensive utilization device of steam heat tracing waste heat of the electrostatic dust removal hopper according to claim 1, wherein heat insulation layers are arranged on the heat collection cover, the first heat pipeline and the second heat pipeline.

5. The steam heat tracing waste heat comprehensive utilization device for the electrostatic precipitator dust hoppers according to claim 1, wherein the heat collection cover is made of stainless steel.

6. The steam heat tracing waste heat comprehensive utilization device for the electrostatic precipitator dust hopper as claimed in claim 1, wherein an upper sealing ring and a lower sealing ring are respectively arranged at the upper and lower joints of the heat collection cover and the electrostatic precipitator dust hopper.