CN109323614A - A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler - Google Patents
A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler Download PDFInfo
- Publication number
- CN109323614A CN109323614A CN201810983744.8A CN201810983744A CN109323614A CN 109323614 A CN109323614 A CN 109323614A CN 201810983744 A CN201810983744 A CN 201810983744A CN 109323614 A CN109323614 A CN 109323614A
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- high temperature
- flue
- temperature superheater
- water
- cooling wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of etch-proof measures of high parameter refuse incineration exhaust-heating boiler, including water-cooling wall, high temperature superheater, water-cooling wall is located at 700 DEG C of flue gas or more of high temperature section, and the intensive pin of arrangement, lay castable refractory, water-cooling wall is by the first flue, second flue, third flue, 4th flue composition, high temperature superheater is arranged in 700 DEG C of flue gas or more of high temperature section, and high temperature superheater arranges intensive pin, lay castable refractory, water-cooling wall is located at the front end of device, high temperature superheater is in screen formula, flue gas is discharged from incinerator, successively pass through water-cooling wall, high temperature superheater, evaporator, medium temperature overheater, low temperature superheater two, low temperature superheater one, economizer, there are two high temperature superheater is set side by side, economizer is equipped with multiple groups.The invention has the advantages that the steam (vapor) outlet parameter of row's formula refuse incineration exhaust-heating boiler can be improved to high temperature and pressure, the burn into booster of water-cooling wall and high temperature superheater is reduced, the cost of operation is reduced, improves operational efficiency.
Description
Technical field
The present invention relates to the technical fields of water-cooling wall and high temperature superheater anticorrosive measure, more particularly to a kind of high parameter
The etch-proof measure of refuse incineration exhaust-heating boiler.
Background technique
The waste incineration power generation project of Current Domestic is increasing, at present the main steam condition of refuse incineration exhaust-heating boiler
Mainly there is following three kinds: 400 DEG C/4MPa；450℃/4MPa；450 DEG C/6.4MPa, burning power plant Boiler Steam parameter
Selection directly influences generating efficiency, the economic benefit of incineration plant of steam turbine, with being constantly progressive for energy-saving and emission-reduction and technology, rubbish
The development of rubbish waste gas of incineration boiler main steam to more high parameter (485 DEG C/13.7MPa) is inexorable trend, due to garbage fuel
Characteristic, so that the flue gas after incineration firing has strong corrosivity, the raising of refuse incineration exhaust-heating boiler main steam condition, directly
Connecing causes the tube wall temperature of water-cooling wall and superheater to be promoted, and heating surface tube wall temperature more high corrosion is stronger, this makes water cooling
The problem of wall and superheater can not be run reliably and with long-term, corrosion constrains hair of the refuse incineration exhaust-heating boiler to high parameter significantly
Exhibition, there is presently no more mature reliable ways to solve the problems, such as high temperature corrosion, and the senior staff officer of refuse incineration exhaust-heating boiler
The operational efficiency of entire burning power plant can be improved in numberization, reduces operating cost, improves the income of power plant, so solving water
The corrosion of cold wall and superheater is the key that refuse incineration exhaust-heating boiler develops to high parameter.
Summary of the invention
It arranges in order to solve the above-mentioned technical problems, the present invention provides a kind of high parameter refuse incineration exhaust-heating boiler is etch-proof
It applies.
The present invention adopts the following technical scheme: a kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler, including water
Cooler, high temperature superheater, water-cooling wall is located at 700 DEG C of flue gas or more of high temperature section, water-cooling wall by side by side the first flue, second
Flue, third flue, the 4th flue composition, and arrange intensive pin, the first flue, the second flue, third flue, the 4th cigarette
Road lays castable refractory respectively, and castable refractory need to cover pin, avoids pin and smoke contacts, and by calculating in detail
It determines the ingredient and thickness of castable refractory, utilizes the thermally conductive formula of one-dimensional stableCalculate castable refractory
The heat that layer can transmit to determine castable refractory area and shields formula high temperature superheater heating surface area with this, realizes flue gas temperature
The on-demand distribution of field is spent, to meet the needs of flue gas process, high temperature superheater is located at 780 DEG C or more of high temperature section, hyperthermia and superheating
There are two device is set side by side, high temperature superheater is in screen formula shape, and is located at water cooling wall outlet, and high temperature superheater arranges intensive pin, and
Castable refractory is laid, castable refractory need to cover pin, avoid pin and smoke contacts, by calculating determining fire resisting in detail
The ingredient and thickness of castable utilize the thermally conductive formula of one-dimensional stableCalculating the refractory casting bed of material can transmit
Heat, castable refractory area and screen formula high temperature superheater heating surface area are determined with this, the flue gas of incinerator successively passes through
Water-cooling wall, high temperature superheater, evaporator, medium temperature overheater, low temperature superheater two, low temperature superheater one, economizer, economizer are set
There are multiple groups.
The present invention has the advantage that: solving the problems, such as the corrosive wear of refuse incineration exhaust-heating boiler under high parameter, reduces water
The booster of cold wall and high temperature superheater reduces the cost of operation, improves the efficiency of operation.
Detailed description of the invention
Fig. 1 is a kind of etch-proof measure structure schematic diagram of high parameter refuse incineration exhaust-heating boiler of the present invention.
Description of symbols: the 4th flue of 1- water-cooling wall 1.1- the first flue 1.2- the second flue 1.3- third flue 1.4-
Two 7- low temperature superheater of 2- drum 3- high temperature superheater 4- evaporator 5- medium temperature overheater 6- low temperature superheater, one 8- economizer.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler, including water cooler (1), high temperature superheater (3), water
Cold wall (1) is located at 700 DEG C of flue gas or more of high temperature section, and water-cooling wall (1) is by the first flue (1.1), the second flue side by side
(1.2), third flue (1.3), the 4th flue (1.4), and arrange intensive pin, the first flue (1.1), the second flue
(1.2), third flue (1.3), the 4th flue (1.4) lay castable refractory respectively, and castable refractory need to cover pin, keep away
Exempt from pin and smoke contacts, and determine the ingredient and thickness of castable refractory by calculating in detail, utilizes the thermally conductive public affairs of one-dimensional stable
FormulaThe heat that the refractory casting bed of material can transmit is calculated, formula to determine castable refractory area and is shielded with this
High temperature superheater heating surface area realizes the on-demand distribution of smoke-filling movement, to meet the needs of flue gas process, high temperature superheater
(3) it is located at 780 DEG C or more of high temperature section, there are two high temperature superheater (3) is set side by side, high temperature superheater (3) is in screen formula shape, and is set
It is exported in water-cooling wall (1), high temperature superheater (3) arranges intensive pin, and lays castable refractory, and castable refractory need to cover
Pin avoids pin and smoke contacts, by calculating the ingredient and thickness of determining castable refractory in detail, is led using one-dimensional stable
Hot formulaCalculate the heat that can transmit of the refractory casting bed of material, with this come determine castable refractory area and
Screen formula high temperature superheater heating surface area, the flue gas of incinerator successively pass through water-cooling wall (1), high temperature superheater (3), evaporator (4),
Medium temperature overheater (5), low temperature superheater two (6), low temperature superheater one (7), economizer (8), economizer (8) are equipped with multiple groups.
The present invention is achieved like this, and is the intensive pin of water-cooling wall (1) region arrangement at 700 DEG C of flue gas or more first
Nail lays castable refractory, and determines by calculating in detail the ingredient and thickness of castable refractory, be arranged so can completely every
The contact of exhausted flue gas and water-cooling wall (1), prevents water-cooling wall (1) high temperature corrosion and abrasion；Next high temperature superheater (3) is using screen
Formula structure is placed on 700 DEG C of flue-gas temperature or more positions, to guarantee its good heat-transfer effect, finally using panelized construction
High temperature superheater (3) arranges intensive pin, lays castable refractory, and the ingredient of castable refractory is determined by calculating in detail
And thickness, be arranged so the contact that can completely cut off flue gas with water-cooling wall (1) completely, prevent high temperature superheater (3) high temperature corrosion and
Abrasion.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler, including water cooler (1), high temperature superheater (3), special
Sign is, water-cooling wall (1) is located at 700 DEG C of flue gas or more of high temperature section, water-cooling wall (1) by side by side the first flue (1.1), second
Flue (1.2), third flue (1.3), the 4th flue (1.4) composition, and arrange intensive pin, the first flue (1.1), the second cigarette
Road (1.2), third flue (1.3), the 4th flue (1.4) lay castable refractory respectively, and are determined by calculating in detail resistance to
The ingredient and thickness of fiery castable, high temperature superheater (3) are located at 780 DEG C or more of high temperature section, and high temperature superheater (3) is equipped with side by side
Two, high temperature superheater (3) is in screen formula shape, and is located at water-cooling wall (1) outlet, and high temperature superheater (3) arranges intensive pin, and applies
If castable refractory.
2. the etch-proof measure of high parameter refuse incineration exhaust-heating boiler according to claim 1, which is characterized in that incinerator
Flue gas successively pass through water-cooling wall (1), high temperature superheater (3), evaporator (4), medium temperature overheater (5), low temperature superheater two
(6), low temperature superheater one (7), economizer (8), economizer (8) are equipped with multiple groups.
3. the etch-proof measure of high parameter refuse incineration exhaust-heating boiler according to claim 1, which is characterized in that utilize one
Tie up steady heat conduction formulaCalculate the heat that the refractory casting bed of material can transmit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983744.8A CN109323614A (en) | 2018-08-27 | 2018-08-27 | A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983744.8A CN109323614A (en) | 2018-08-27 | 2018-08-27 | A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323614A true CN109323614A (en) | 2019-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810983744.8A Pending CN109323614A (en) | 2018-08-27 | 2018-08-27 | A kind of etch-proof measure of high parameter refuse incineration exhaust-heating boiler |
Country Status (1)
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| CN (1) | CN109323614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240556A (en) * | 2020-10-20 | 2021-01-19 | 江苏天楹等离子体科技有限公司 | Flue gas waste heat utilization device of garbage incinerator |
| CN113251427A (en) * | 2021-06-01 | 2021-08-13 | 上海康恒环境股份有限公司 | Anti-corrosion arrangement structure and method for heating surface of waste incineration boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005040439A1 (en) * | 2003-10-28 | 2005-05-06 | Ebara Corporation | Incineration apparatus and gasification apparatus |
| CN101225961A (en) * | 2007-01-17 | 2008-07-23 | 上海环保工程成套有限公司 | Anticorrosion superheater for refuse incineration exhaust-heating boiler |
| CN205825033U (en) * | 2016-06-24 | 2016-12-21 | 无锡华光锅炉股份有限公司 | High parameter garbage burning boiler with reheating |
| CN107477585A (en) * | 2017-09-13 | 2017-12-15 | 黄红军 | A kind of solid waste incinerator for thermal decomposition |
| CN206890527U (en) * | 2017-06-23 | 2018-01-16 | 广州永兴环保能源有限公司 | Castable refractory heating furnace |
-
2018
- 2018-08-27 CN CN201810983744.8A patent/CN109323614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005040439A1 (en) * | 2003-10-28 | 2005-05-06 | Ebara Corporation | Incineration apparatus and gasification apparatus |
| CN101225961A (en) * | 2007-01-17 | 2008-07-23 | 上海环保工程成套有限公司 | Anticorrosion superheater for refuse incineration exhaust-heating boiler |
| CN205825033U (en) * | 2016-06-24 | 2016-12-21 | 无锡华光锅炉股份有限公司 | High parameter garbage burning boiler with reheating |
| CN206890527U (en) * | 2017-06-23 | 2018-01-16 | 广州永兴环保能源有限公司 | Castable refractory heating furnace |
| CN107477585A (en) * | 2017-09-13 | 2017-12-15 | 黄红军 | A kind of solid waste incinerator for thermal decomposition |
Non-Patent Citations (1)
| Title |
|---|
| 刘苏蒙: "简谈高参数垃圾焚烧余热锅炉的设计", 《能源研究与管理》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240556A (en) * | 2020-10-20 | 2021-01-19 | 江苏天楹等离子体科技有限公司 | Flue gas waste heat utilization device of garbage incinerator |
| CN113251427A (en) * | 2021-06-01 | 2021-08-13 | 上海康恒环境股份有限公司 | Anti-corrosion arrangement structure and method for heating surface of waste incineration boiler |
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Application publication date: 20190212 |