CN219890190U - Submerged arc waste heat utilization system with high-temperature dust removal function - Google Patents
Submerged arc waste heat utilization system with high-temperature dust removal function Download PDFInfo
- Publication number
- CN219890190U CN219890190U CN202223143026.0U CN202223143026U CN219890190U CN 219890190 U CN219890190 U CN 219890190U CN 202223143026 U CN202223143026 U CN 202223143026U CN 219890190 U CN219890190 U CN 219890190U
- Authority
- CN
- China
- Prior art keywords
- temperature dust
- waste heat
- temperature
- utilization system
- dust remover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 63
- 239000002918 waste heat Substances 0.000 title claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003546 flue gas Substances 0.000 claims abstract description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 6
- 239000011863 silicon-based powder Substances 0.000 description 4
- 239000012716 precipitator Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to the technical field of waste heat utilization, and discloses an ore heat waste heat utilization system with high-temperature dust removal, which is matched with an industrial silicon ore heat furnace for use, and comprises a waste heat boiler, a high-temperature dust remover and a heat exchange assembly; the inlet of the high-temperature dust remover is communicated with the smoke outlet of the industrial silicon ore heating furnace, the outlet of the high-temperature dust remover is communicated with the inlet of the waste heat boiler, and a metal film and/or a ceramic film is arranged in the high-temperature dust remover; the heat exchange assembly is used for absorbing heat in the waste heat boiler. The submerged arc waste heat utilization system with high-temperature dust removal provided by the utility model has the advantages that the ash removal device is not required to be arranged in the waste heat boiler, the submerged arc waste heat utilization system can be used in a high-temperature environment, the stability of the flue gas waste heat utilization system can be greatly improved, the metal consumption of a heat exchange component can be reduced, the waste heat utilization efficiency can be improved, and the like.
Description
Technical Field
The utility model relates to the technical field of waste heat utilization, in particular to an ore heat waste heat utilization system with high-temperature dust removal.
Background
The flue gas temperature of the flue gas outlet of the industrial silicon ore heat furnace is higher, and the waste heat utilization in the flue gas has wide application prospect. But the flue gas of the industrial silicon ore heat furnace flue gas outlet contains a large amount of amorphous micro silicon powder, the size of the micro silicon powder is smaller than 1 mu m, the average diameter is 0.4-0.5 mu m, and the dust content is 2.5g/Nm3. The micro silicon powder has the characteristics of fine dust, large specific surface area, easiness in electrostatic adsorption and the like, is extremely easy to adhere to a heating surface of a waste heat utilization system, is very difficult to clean deposited dust, and is unsuitable for a high-temperature environment due to the fact that a conventional waste heat utilization system adopts medium-temperature or low-temperature dust removal, so that the flue gas waste heat utilization efficiency is low, the investment is large, and the system energy consumption is high.
Disclosure of Invention
The utility model aims to provide an ore heat waste heat utilization system with high-temperature dust removal, which solves the problems in the background art.
The utility model is specifically as follows: the ore heat waste heat utilization system with the high-temperature dust removal is matched with an industrial silicon ore heat furnace for use, and comprises a waste heat boiler, a high-temperature dust remover and a heat exchange assembly;
the inlet of the high-temperature dust remover is communicated with the smoke outlet of the industrial silicon ore heating furnace, the outlet of the high-temperature dust remover is communicated with the inlet of the waste heat boiler, and a metal film and/or a ceramic film is arranged in the high-temperature dust remover;
the heat exchange assembly is used for absorbing heat in the waste heat boiler.
Further, still include cold wind adjusting part, cold wind adjusting part is used for adjusting the flue gas temperature of the entrance of high temperature dust remover, cold wind adjusting part includes cold wind pipe and automatically regulated door, the first end of cold wind pipe with the entry intercommunication of high temperature dust remover, the second end of cold wind pipe and the export intercommunication of cold wind equipment, the automatically regulated door is installed on the cold wind pipe, be used for controlling the switching degree of cold wind pipe, automatically regulated door is connected with external control cabinet electricity.
Further, the heat exchange assembly comprises a superheater, an evaporator, an economizer and an economizer, wherein the superheater, the evaporator, the economizer and the economizer are all installed inside the waste heat boiler.
Further, an induced draft fan is arranged on an outlet of the waste heat boiler, and the induced draft fan is electrically connected with the external control cabinet.
Further, a smoke temperature detector is arranged on the inner wall of the inlet of the high-temperature dust remover, and the smoke temperature detector is electrically connected with the external control cabinet.
Further, the temperature of the flue gas at the inlet of the high-temperature dust remover is less than or equal to 750 ℃.
Further, the heating surfaces of the superheater, the evaporator, the economizer and the economizer all adopt an H-shaped fin tube structure or a spiral fin tube structure.
The utility model has the beneficial effects that: according to the submerged arc waste heat utilization system with high-temperature dust removal, the metal film or the ceramic is used as the base material for high-temperature dust removal, the dust concentration in the flue gas after high-temperature dust removal reaches the ultra-low emission standard, and the flue gas entering the waste heat boiler is dust-free flue gas, so that an ash removal device is not required to be arranged in the waste heat boiler, the submerged arc waste heat utilization system can be used in a high-temperature environment, the stability of the flue gas waste heat utilization system can be greatly improved, the metal consumption of a heat exchange assembly can be reduced, the waste heat utilization efficiency can be improved, and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 10-waste heat boiler, 20-high temperature dust remover, 30-heat exchange component, 31-superheater, 32-evaporator, 33-economizer, 34-economizer, 40-cold air adjusting component, 41-cold air pipe, 42-automatically regulated door, 43-smoke temperature detector, 50-draught fan.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in use of the product of the application as understood by those skilled in the art, which is merely for convenience of describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a take hot waste heat utilization system in ore deposit of high temperature dust removal, is used with the hot stove in industry silicon ore deposit cooperation, includes exhaust-heat boiler 10, high temperature dust remover 20 and heat exchange assembly 30.
The inlet of the high-temperature dust remover 20 is communicated with the exhaust port of the industrial silicon ore heating furnace, the outlet of the high-temperature dust remover 20 is communicated with the inlet of the waste heat boiler 10, and a high-temperature-resistant metal film and/or a ceramic film are arranged in the high-temperature dust remover 20;
the heat exchange assembly 30 serves to absorb heat inside the waste heat boiler 10.
The system is provided with a high-temperature dust remover 20 between the waste heat boiler 10 and the industrial silicon ore heating furnace and communicated with each other, and meanwhile, a high-temperature resistant ceramic or metal film is adopted in the high-temperature dust remover 20 as a base material for dust removal. Flue gas discharged from a flue gas outlet of the industrial silicon ore heating furnace passes through a ceramic or metal film to remove dust, and the micro silicon powder is intercepted. The flue gas after dust removal enters the waste heat boiler 10, exchanges heat with the heat exchange component 30 in the waste heat boiler 10, and the temperature of the flue gas after heat exchange is further reduced and is discharged from the outlet of the waste heat boiler 10.
In the system, the flue gas entering the waste heat boiler 10 is dust-free flue gas, so that an ash removal device is not required to be arranged on the waste heat boiler 10, the system can be used in a high-temperature environment, the stability of a flue gas waste heat utilization system can be greatly improved, the metal consumption of the heat exchange assembly 30 can be reduced, the waste heat utilization efficiency can be improved, and the like.
In one embodiment, a cool air conditioning assembly 40 is also included, the cool air conditioning assembly 40 being used to condition the flue gas temperature at the inlet of the high temperature precipitator 20. The cold air adjusting assembly 40 comprises a cold air pipe 41 and an automatic adjusting door 42, a first end of the cold air pipe 41 is communicated with the inlet of the high-temperature dust remover 20, and a second end of the cold air pipe 41 is communicated with the outlet of the cold air equipment. The automatic adjusting door 42 is installed on the cold air duct 41 for controlling the opening and closing degree of the cold air duct 41, and the automatic adjusting door 42 is electrically connected with an external control cabinet.
When the temperature of the flue gas at the inlet of the high-temperature dust collector 20 exceeds a preset standard, the external control cabinet controls the automatic regulating door 42 to be opened, the cold air equipment is started, and the cold air discharged by the cold air pipe 41 is mixed with the flue gas at the inlet of the high-temperature dust collector 20, so that the flue gas can be cooled, and the temperature of the flue gas at the inlet of the high-temperature dust collector 20 is regulated to be within a dust removal allowable temperature range, and the service life of the high-temperature dust collector 20 is prolonged.
In one embodiment, heat exchange assembly 30 includes superheater 31, evaporator 32, economizer 33 and economizer 34, with superheater 31, evaporator 32, economizer 33 and economizer 34 all mounted inside waste heat boiler 10. The heating surfaces of the superheater 31, the evaporator 32, the economizer 33 and the economizer 34 are in contact with the flue gas in the waste heat boiler 10, so that heat in the flue gas is absorbed in a cascade manner, and the waste heat utilization efficiency is further improved.
In one embodiment, an induced draft fan 50 is installed on the outlet of the waste heat boiler 10, and the induced draft fan 50 is electrically connected with an external control cabinet. The flue gas after heat exchange is rapidly discharged from the waste heat boiler 10 under the action of the induced draft fan 50, so that the circulation of the system is improved.
In one embodiment, a smoke temperature detector 43 is mounted on the inner wall of the inlet of the high temperature dust collector 20, and the smoke temperature detector 43 is electrically connected with an external control cabinet. The smoke temperature detector 43 can monitor the smoke temperature at the inlet of the high-temperature dust collector 20 in real time, when the smoke temperature exceeds a preset standard, the smoke temperature detector 43 sends a signal to an external control cabinet, and the external control cabinet controls the automatic regulating door 42 to be opened again, so that the automatic regulation of the smoke temperature at the inlet of the high-temperature dust collector 20 is realized.
In one embodiment, the flue gas temperature at the inlet of the high temperature precipitator 20 is less than or equal to 750 ℃. When the flue gas temperature at the inlet of the high temperature precipitator 20 exceeds 750 ℃, the external control cabinet controls the automatic regulating door 42 to open until it falls below 750 ℃.
In one embodiment, the heating surfaces of the superheater 31, the evaporator 32, the economizer 33 and the economizer 34 all adopt an H-shaped fin tube structure or a spiral fin tube structure, so as to improve the heat exchange efficiency and further improve the waste heat utilization efficiency.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a take hot waste heat utilization system in ore deposit of high temperature dust removal, uses with the cooperation of the hot stove in industry silicon ore deposit, includes exhaust-heat boiler, its characterized in that: the high-temperature dust remover also comprises a high-temperature dust remover and a heat exchange assembly;
the inlet of the high-temperature dust remover is communicated with the smoke outlet of the industrial silicon ore heating furnace, the outlet of the high-temperature dust remover is communicated with the inlet of the waste heat boiler, and a metal film and/or a ceramic film is arranged in the high-temperature dust remover;
the heat exchange assembly is used for absorbing heat in the waste heat boiler.
2. The mining heat utilization system with high-temperature dust removal according to claim 1, wherein: still include cold wind adjusting part, cold wind adjusting part is used for adjusting the flue gas temperature of the entrance of high temperature dust remover, cold wind adjusting part includes cold wind pipe and automatically regulated door, the first end of cold wind pipe with the entry intercommunication of high temperature dust remover, the second end of cold wind pipe and the export intercommunication of cold wind equipment, the automatically regulated door is installed on the cold wind pipe, be used for control the degree of opening and closing of cold wind pipe, automatically regulated door is connected with external control cabinet electricity.
3. The mining heat utilization system with high-temperature dust removal according to claim 1, wherein: the heat exchange assembly comprises a superheater, an evaporator, an economizer and an economizer, wherein the superheater, the evaporator, the economizer and the economizer are all installed in the waste heat boiler.
4. The mining heat utilization system with high-temperature dust removal according to claim 2, wherein: and an induced draft fan is arranged on an outlet of the waste heat boiler and is electrically connected with the external control cabinet.
5. The mining heat utilization system with high-temperature dust removal according to claim 2, wherein: and a smoke temperature detector is arranged on the inner wall of the inlet of the high-temperature dust remover, and the smoke temperature detector is electrically connected with the external control cabinet.
6. The mining heat utilization system with high-temperature dust removal according to claim 2, wherein: the temperature of the flue gas at the inlet of the high-temperature dust remover is less than or equal to 750 ℃.
7. The mining heat utilization system with high-temperature dust removal according to claim 3, wherein: the heating surfaces of the superheater, the evaporator, the economizer and the economizer all adopt H-shaped fin tube structures or spiral fin tube structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143026.0U CN219890190U (en) | 2022-11-25 | 2022-11-25 | Submerged arc waste heat utilization system with high-temperature dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143026.0U CN219890190U (en) | 2022-11-25 | 2022-11-25 | Submerged arc waste heat utilization system with high-temperature dust removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890190U true CN219890190U (en) | 2023-10-24 |
Family
ID=88407626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223143026.0U Active CN219890190U (en) | 2022-11-25 | 2022-11-25 | Submerged arc waste heat utilization system with high-temperature dust removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890190U (en) |
-
2022
- 2022-11-25 CN CN202223143026.0U patent/CN219890190U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201485480U (en) | Converter flue gas waste heat recovery and purifying dedusting device | |
| CN111306568A (en) | Device and method for relieving blockage of rotary air preheater by preheating heat storage element through hot air | |
| CN106546124A (en) | A kind of anti-blocking apparatus for ash of circulated air and rotary regenerative air preheater | |
| CN206771420U (en) | A kind of block-resistant type air preheater step-by-step arrangement system | |
| CN208794378U (en) | A kind of waste heat boiler being capable of providing two kinds of temperature hot winds | |
| CN201411468Y (en) | Converter gas purification and afterheat recovery system for steelmaking | |
| CN219890190U (en) | Submerged arc waste heat utilization system with high-temperature dust removal function | |
| CN204830454U (en) | Many return strokes living beings hot -blast furnace | |
| CN108654374A (en) | A kind of ultra-clean Processing tecchnics system of flue gas | |
| CN113005257A (en) | Converter flue gas treatment system and operation method thereof | |
| CN210568552U (en) | Boiler energy-saving and flue gas whitening system | |
| CN115790184A (en) | Mine heat waste heat utilization system with high-temperature dust removal function | |
| CN207299012U (en) | A kind of ultralow warm drain air preheater of gas fired-boiler | |
| CN213654956U (en) | Smoke abatement cooling system of diesel generating set | |
| CN201653168U (en) | Heat pipe type waste heat recovery special apparatus for high temperature high dust laden smoke in metallurgy furnace | |
| CN205825011U (en) | A kind of fluidized-bed combustion boiler environment protecting power economizer | |
| CN207605482U (en) | A kind of system of high-temperature flue gas purification and heat recovery | |
| CN217356938U (en) | Smoke discharging temperature adjusting device of boiler flue gas cooler | |
| CN203216763U (en) | Novel fly ash isothermal sampling device | |
| CN101995166A (en) | Metallurgical furnace dedusting waste heat recovery machine and method | |
| CN115287384B (en) | Blast furnace raw gas temperature regulating device | |
| CN217843911U (en) | Flue gas cooling device and denitration device | |
| CN215637291U (en) | Air supply system of boiler | |
| CN109114587A (en) | A kind of boiler air preheater with automatic ash removing and augmentation of heat transfer function | |
| CN215809350U (en) | Condensing flue gas waste heat recovery device suitable for FGR low-nitrogen combustion boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |