CN203513618U - Alkali metal removal device for biomass hot fuel gas - Google Patents
Alkali metal removal device for biomass hot fuel gas Download PDFInfo
- Publication number
- CN203513618U CN203513618U CN201320606155.0U CN201320606155U CN203513618U CN 203513618 U CN203513618 U CN 203513618U CN 201320606155 U CN201320606155 U CN 201320606155U CN 203513618 U CN203513618 U CN 203513618U
- Authority
- CN
- China
- Prior art keywords
- fuel gas
- hot
- hot fuel
- alkali metal
- air
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an alkali metal removal device for biomass hot fuel gas, relates to a purification device and in particular relates to a device for removing alkali metal from the biomass hot fuel gas. The alkali metal removal device for the biomass hot fuel gas is characterized by comprising a hot fuel gas inlet, a heat exchanger, an air interlayer, a hot fuel gas outlet, a cold air inlet, a hot air outlet and a dust conveying pipe; the hot fuel gas inlet is formed in the upper part of the heat exchanger and extends into the heat exchanger; the air interlayer wraps the heat exchanger; the hot fuel gas outlet is formed in the top of the heat exchanger; the cold air inlet is formed in the top of the air interlayer; the hot air outlet is formed in the bottom of the air interlayer; the dust conveying pipe is arranged at the bottom of the heat exchanger. The alkali metal removal device for the biomass hot fuel gas, which is disclosed by the utility model, is simple in structure, scientific in design and convenient to use; a reasonable cooling method is set for hot fuel gas according to an alkali metal separation rule in biomass, so that the alkali metal in a steam state is cooled in a non-contact manner.
Description
Technical field
The utility model relates to a kind of refining plant, especially a kind of device that basic metal in biomass thermal combustion gas is removed.
Background technology
Biomass energy, as a kind of renewable energy source, is worldwide just obtaining applying more and more widely.Biomass are different from coal, in its process of growth, can accumulate the more basic metal such as potassium, and directly burning is used, and basic metal can volatilize, and while running into cold metal parts, will deposit, and causes the corrosion of metal parts.Due to alkali-metal corrosion, the accidents such as a lot of boiler boosters have been caused.
In the hot combustion gas that biomass gasification technology produces, also basic metal can be carried, if these hot combustion gas, without processing, and are directly burnt in burner hearth, alkali-metal etching problem can be run into equally.At present, the technology that these hot combustion gas are purified has two kinds conventionally, is respectively high temperature filtration and moving-bed absorption.High temperature filtration need to adopt resistant to elevated temperatures filtrate, as intermetallic compound filtrate, very expensive; Moving-bed absorption needs suitable sorbent material, and sorbent material needs to change simultaneously.Above-mentioned two kinds of high temperature purification methods all face and start the problem that needs preheating, as mishandling, and the problem that can cause tar coagulation devices to damage.
Summary of the invention
To be solved in the utility model is exactly that existing hot gas-purification cost is high, needs the problem of preheating simultaneously, and a kind of device that basic metal in biomass thermal combustion gas is removed is provided.
Biomass thermal combustion gas basic metal removal device of the present utility model, it is characterized in that this device comprises hot fuel gas inlet, interchanger, air casing, hot gas outlet, inlet of cold air, hot air outlet, dust transfer lime, hot fuel gas inlet is arranged on interchanger top and gos deep into interchanger inside, air casing is wrapped in outside interchanger, hot gas outlet is arranged on interchanger top, inlet of cold air is arranged on air casing top, hot air outlet is arranged on air casing bottom, and interchanger bottom is provided with dust transfer lime.
The interchanger of this removal device is key component, alkali-metal evaporation and the rule of condensing have been utilized, create one and be conducive to the environment that basic metal condenses, make basic metal can take powdered carbon and get off to obtain separation as nucleus of condensation preferential deposition, the shape of hot fuel gas inlet needs it can meet that in combustion gas, basic metal is before condensing, and hot combustion gas must not collide interchanger inwall.
Hot combustion gas enters interchanger inside by hot fuel gas inlet by mode of jet, and hot combustion gas passes to air casing by heat by interchanger in diffusion process, utilizes the air cooling in air casing, and the heat in hot combustion gas is taken away.The length of interchanger is determined according to the flow velocity of hot combustion gas, spread angle and exchange capability of heat, when hot combustion gas is diffused into beginning contact heat-exchanging device shell according to certain spread angle, hot gas temperature need to be cooled under alkali-metal coagulation temperature, basic metal cooled and solidified is got off, hot combustion gas is folded to rear and continues upwards to flow, obtain cooling, from hot gas outlet, discharge, enter follow-up further dedusting, and solidify the basic metal getting off, with koniology, from hot combustion gas, separate, after being collected, by dust transfer lime, discharged.
Biomass thermal combustion gas basic metal removal device of the present utility model, simple in structure, design science, easy to use, according to alkali-metal Precipitation Behavior in biomass, by hot combustion gas is arranged to rational method of cooling, make the basic metal noncontact of steam condition cooling.In process of cooling, basic metal condenses into liquid state by steam condition, then becomes solid-state.Owing to containing certain dust in hot combustion gas, basic metal can preferentially take in condensing process dust condense as the nucleus of condensation.Control cooling degree after certain temperature, basic metal condenses completely, thereby obtains separation.Effectively reduce alkali-metal separation costs, separation is simultaneously more complete.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Wherein, hot fuel gas inlet 1, interchanger 2, air casing 3, hot gas outlet 4, inlet of cold air 5, hot air outlet 6, dust transfer lime 7.
Embodiment
Embodiment 1: a kind of biomass thermal combustion gas basic metal removal device, comprise hot fuel gas inlet 1, interchanger 2, air casing 3, hot gas outlet 4, inlet of cold air 5, hot air outlet 6, dust transfer lime 7, hot fuel gas inlet 1 is arranged on interchanger 2 tops and gos deep into interchanger 2 inside, air casing 3 is wrapped in outside interchanger 2, hot gas outlet 4 is arranged on interchanger 2 tops, inlet of cold air 5 is arranged on air casing 3 tops, hot air outlet 6 is arranged on air casing 3 bottoms, and interchanger 2 bottoms are provided with dust transfer lime 7.
Hot combustion gas enters interchanger 2 inside by hot fuel gas inlet 1 by mode of jet, and hot combustion gas passes to air casing 3 by heat by interchanger 2 in diffusion process, utilizes the air cooling in air casing 3, and the heat in hot combustion gas is taken away.The length of interchanger 2 is determined according to the flow velocity of hot combustion gas, spread angle and exchange capability of heat, when hot combustion gas is diffused into beginning contact heat-exchanging device 2 shell according to certain spread angle, hot gas temperature need to be cooled under alkali-metal coagulation temperature, basic metal cooled and solidified is got off, hot combustion gas is folded to rear and continues upwards to flow, obtain cooling, from hot gas outlet 4, discharge, enter follow-up further dedusting, and solidify the basic metal getting off, with koniology, from hot combustion gas, separate, after being collected, by dust transfer lime 7, discharged.
According to alkali-metal Precipitation Behavior in biomass, by hot combustion gas is arranged to rational method of cooling, make the basic metal noncontact of steam condition cooling.In process of cooling, basic metal condenses into liquid state by steam condition, then becomes solid-state.Owing to containing certain dust in hot combustion gas, basic metal can preferentially take in condensing process dust condense as the nucleus of condensation.Control cooling degree after certain temperature, basic metal condenses completely.
Claims (1)
1. a biomass thermal combustion gas basic metal removal device, it is characterized in that this device comprises hot fuel gas inlet (1), interchanger (2), air casing (3), hot gas outlet (4), inlet of cold air (5), hot air outlet (6), dust transfer lime (7), hot fuel gas inlet (1) is arranged on interchanger (2) top and gos deep into interchanger (2) inside, air casing (3) is wrapped in outside interchanger (2), hot gas outlet (4) is arranged on interchanger (2) top, inlet of cold air (5) is arranged on air casing (3) top, hot air outlet (6) is arranged on air casing (3) bottom, interchanger (2) bottom is provided with dust transfer lime (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320606155.0U CN203513618U (en) | 2013-09-29 | 2013-09-29 | Alkali metal removal device for biomass hot fuel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320606155.0U CN203513618U (en) | 2013-09-29 | 2013-09-29 | Alkali metal removal device for biomass hot fuel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513618U true CN203513618U (en) | 2014-04-02 |
Family
ID=50372575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320606155.0U Expired - Fee Related CN203513618U (en) | 2013-09-29 | 2013-09-29 | Alkali metal removal device for biomass hot fuel gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203513618U (en) |
-
2013
- 2013-09-29 CN CN201320606155.0U patent/CN203513618U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2799525A1 (en) | Biomass syngas purification process under negative pressure for producing oil and system configuration thereof | |
| US20160216033A1 (en) | Method For Recycling Residual Heat and Dust In Flue Gas During Reclaimed Copper Refining | |
| CN102925165A (en) | Afterheat recovery system for raw coke oven gas of coke oven ascension pipe | |
| CN204138607U (en) | A kind of gasification residual neat recovering system | |
| CN201485272U (en) | Pipe casing type waste heat boiler system equipment of sulfur recovery unit | |
| CN101768474B (en) | Waste heat recovery process for high-temperature rough gas of entrained flow bed | |
| CA2861692A1 (en) | Biomass syngas purification process under positive pressure for producing oil and system configuration thereof | |
| CN101906327A (en) | Recovery processing method for phenol water of gas furnace | |
| CN204779506U (en) | High temperature dust -laden coal gas dust removal purification system | |
| CN203513618U (en) | Alkali metal removal device for biomass hot fuel gas | |
| CN102851048B (en) | A kind of gas purge system realizing slag heat utilization | |
| CN202666675U (en) | High-temperature flue gas recovery and purification process device | |
| CN102430316B (en) | Method of using methanol exhausted gas as regenerated gas and cold blowing air for temperature swing adsorption | |
| CN209161961U (en) | A kind of purification-recovery system for damaged tire cracking oil gas | |
| CN202546700U (en) | Residual heat resource using system for glass annealing kiln | |
| CN105668672B (en) | A kind of coal-burning boiler bypass flue waste evaporator plant and technique | |
| CN202881181U (en) | Crude gas waste heat recovery system used for coke oven ascension pipe | |
| CN203577362U (en) | Energy-saving type crystallizer used for melamine device | |
| CN203024482U (en) | Afterheat recycling system | |
| CN203286573U (en) | Salty waste water burning system | |
| CN201040312Y (en) | Reclaiming utilizing device for hot-chamber die casting machine smelter remaining heat | |
| CN105779021B (en) | Coal tar separation method in a kind of recycling of coking tedge gas energy and coal gas | |
| CN205316282U (en) | High -efficient boiler plant of retrieving sintering machine afterbody flue flue gas waste heat | |
| CN205576012U (en) | Intermetallic compound high temperature coal gas waste heat recovery device | |
| CN203869526U (en) | Middle-and-low temperature flue-gas online dust pre-removal device of rotary hearth furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20200929 |