CN201753911U - Waste heat boiler for flue gas of total oxygen combustion glass furnace - Google Patents
Waste heat boiler for flue gas of total oxygen combustion glass furnace Download PDFInfo
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- CN201753911U CN201753911U CN2010205628442U CN201020562844U CN201753911U CN 201753911 U CN201753911 U CN 201753911U CN 2010205628442 U CN2010205628442 U CN 2010205628442U CN 201020562844 U CN201020562844 U CN 201020562844U CN 201753911 U CN201753911 U CN 201753911U
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- flue gas
- oxygen combustion
- superheater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model provides a waste heat boiler for flue gas of a total oxygen combustion glass furnace, which relates to the field of thermal energy power and is designed for settling a problem that no waste heat utilization device which is matched with the glass furnace of total oxygen combustion mode in prior art. The boiler utilizing waste heat of flue gas comprises a vertically equipped first channel and a vertically equipped second channel. The upper part of the first channel is communicated with the upper part of the second channel. The bottom of the first channel is provided with a flue gas inlet. The bottom of the second channel is provided with a flue gas outlet. The inner wall of the first channel is provided with a membrane type water-cooling wall. The second channel is internally provided with a convection heat-exchange heat receiver. The flue gas discharge temperature of the total oxygen combustion glass furnace is 900-1300 DEG C. The amount of the flue gas discharged in melting one ton glass is 600-1200 Nm3. The utility model aims at the characteristics of high temperature and small flow of the discharged flue gas in total oxygen combustion glass furnace. The waste heat energy of the flue gas discharged from the total oxygen combustion glass furnace can be effectively utilized.
Description
Technical field
The utility model relates to the thermal power field, is meant a kind of all-oxygen combustion glass kiln smoke and waste steam boiler especially.
Background technology
Burning is a kind of that emit light and heat, the violent oxidation reaction that takes place between combustible and the combustion-supporting material (oxygen or other combustion-supporting materials).Burning takes place need three key elements: (1) combustible, for example fuel; (2) combustion-supporting material (oxidant), most of combustion adjuvant is an oxygen, and the burning that does not need oxygen to participate in is also arranged; (3) temperature need reach ignition point.
The combustion system that with oxygen is oxidant is divided into again: (1) air burning, oxygen content about 21%; (2) all-oxygen combustion (also claiming pure oxygen burning), oxygen content about 90～100%; (3) oxygen-enriched combusting, oxygen content about 21～90%.Adopt the major advantage of all-oxygen combustion mode to be: can reduce about 12.5～22% energy consumption; Can reduce the NO in the waste gas
XContent, thereby reduce the exhaust gas discharging amount.
The glass kiln adopts pure oxygen combustion technology to be described as the Second Revolution of glass melting technology, is representing the developing direction of technology from now on.Compare with traditional air-breathing glass melter, oxy-fuel combustion glass melting furnace has been cancelled regenerator, port and has been changed ignition system etc., can significantly improve the glass metal quality, can reduce by 12.5～22% even higher energy consumption, discharge amount of exhaust gas reduces more than 60%, nitrogen oxide NO
XMinimizing is that glass industry enterprise realizes energy-saving and emission-reduction, the important channel of improving the quality of products about 80～90%.
Adopt air-breathing glass kiln, its smog discharge temperature is at 480～530 ℃, and the exhaust gas volumn that fusing ton glass metal produces is at 3500～5500Nm
3The smog discharge temperature of all-oxygen combustion glass kiln is at 900～1300 ℃, and the exhaust gas volumn that fusing ton glass produces is 600～1200Nm
3As can be seen, temperature height, the flow of the waste heat flue gas of all-oxygen combustion glass kiln are little, and the heat taste of this thermal source is high, and the acting ability is strong.But adopting the glass kiln of all-oxygen combustion mode at home at present is new things, does not also have supporting thereupon smoke and waste steam boiler.
The utility model content
The technical problems to be solved in the utility model provides a kind of all-oxygen combustion glass kiln smoke and waste steam boiler, can utilize the fume afterheat of the glass kiln of all-oxygen combustion.
For solving the problems of the technologies described above, embodiment of the present utility model provides technical scheme as follows:
A kind of all-oxygen combustion glass kiln smoke and waste steam boiler comprises:
The vertically first passage that is provided with and the vertically second channel of setting; The top of described first passage and the top of described second channel communicate; The bottom of described first passage is provided with gas approach; The bottom of described second channel is provided with exhanst gas outlet;
The inwall of described first passage is provided with fin panel casing;
Be provided with horizontally disposed heat convection thermoreceptor in the described second channel.
The described boiler that utilizes fume afterheat also comprises: drum is provided with water separator in the described drum;
Described heat convection thermoreceptor comprises: superheater and economizer;
The bottom of described superheater is provided with air intake, and the air intake of described superheater links to each other with the venthole of described drum by pipeline; The top of described superheater is provided with venthole, is used to export steam;
The bottom of described economizer is provided with water inlet, and the top of described economizer is provided with delivery port, and the delivery port of described economizer links to each other with the water inlet of described drum by pipeline;
Described fin panel casing links to each other with drum with down-comer by tedge.
Described superheater is arranged on the top of described second channel; Described economizer is arranged on the bottom of described second channel.
Described superheater is single group or at least two groups, and described economizer is single group or at least two groups.
Described first passage and described second channel are adjacent setting.
Embodiment of the present utility model has following beneficial effect:
In the such scheme, effectively utilized the fume afterheat of all-oxygen combustion glass kiln.
Description of drawings
Fig. 1 is the structural representation that utilizes the boiler of fume afterheat described in the utility model;
Fig. 2 is the schematic diagram of natural circulation mode of the water-cooled flue of boiler described in the utility model.
The specific embodiment
For technical problem, technical scheme and advantage that embodiment of the present utility model will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model can utilize the fume afterheat of glass kiln, especially utilizes the glass kiln fume afterheat of all-oxygen combustion, but be not limited thereto, and can utilize the waste heat of furnace etc.Below be that example describes with the boiler of the fume afterheat of the glass kiln that utilizes all-oxygen combustion.
With reference to illustrated in figures 1 and 2, described glass kiln waste heat boiler comprises:
The vertically first passage 2 (water-cooled flue just) that is provided with and the vertically second channel 10 of setting; The top of the top of described first passage 2 and described second channel 10 communicates; The bottom of described first passage 2 is provided with gas approach 1; The bottom of described second channel is provided with exhanst gas outlet 8; Concrete, the exit of described water-cooled flue is provided with the crust block pipe.
The inwall of described first passage 2 is provided with fin panel casing, is evaporating heating surface;
Be provided with horizontally disposed heat convection thermoreceptor in the described second channel 10.
The described boiler that utilizes fume afterheat also comprises: drum 3 is provided with water separator in the described drum 3;
Described heat convection thermoreceptor comprises: superheater 6 and economizer 7;
The bottom of described superheater 6 is provided with air intake, and the air intake of described superheater 6 links to each other with the venthole of described drum by pipeline; The top of described superheater 6 is provided with venthole, is used to export steam;
The bottom of described economizer 7 is provided with water inlet, and the top of described economizer 7 is provided with delivery port, and the delivery port of described economizer 7 links to each other with the water inlet of described drum by pipeline (going among Fig. 2 superheater tube connector 13);
Described fin panel casing links to each other with drum with down-comer 5 by tedge 4, adopts the mode of Natural Circulation.Water-cooling wall upper collecting chamber 11, the water-cooling wall next part case 12 of fin panel casing have been shown among Fig. 1 and 2.
Described superheater is arranged on the top of described second channel; Described economizer is arranged on the bottom of described second channel.
Described superheater is single group or at least two groups, and described economizer is single group or at least two groups.
Described first passage and described second channel are adjacent setting.
Flue gas of the present utility model and water cycle process are below described.
The energy quality of the fume afterheat of the glass kiln of all-oxygen combustion is higher, and the temperature of fume afterheat is higher, and its heat exchange form is for being higher than 600 ℃ high temperature section based on radiation heat transfer, and the middle low-temperature zone that is lower than 600 ℃ is based on heat convection.Be specially: flue gas enters water-cooled flue 2 from gas approach 1; Saturation water in the heating surface pipe of the fin panel casing of high-temperature flue gas and water-cooled flue 2 carries out radiation heat transfer, and saturation water is heated to form steam water interface and enters drum 3 through tedge 4.Form hydrospace and air space after the water separator of steam water interface in drum 3 separates, air space is a saturated vapor, and the hydrospace is a saturation water.The air space of drum 3 enters the air intake of superheater by pipeline, thereby has realized the cascade utilization of the energy, high-quality high using.
Flue gas is cooled to 600 ℃ in water-cooled flue 2, flue gas is turned and entered second channel then, enters superheater 6; In superheater 6 with heating surface pipe in saturated vapor (from the air space of drum 3) carry out heat exchange, saturated vapor (for example is heated to form superheated steam, superheated steam by pipeline draw deliver to Turbo-generator Set go the generating, the utility model is not limited thereto), and flue gas enters economizer 7 after being further cooled; Heat exchange is carried out in feedwater in economizer 7 in flue gas and the heating surface, and feedwater is heated to form undersaturation water, and flue gas further cools off, and discharges through exhanst gas outlet 8 at last.
First passage adopts the water-cooled flue structure, is provided with the fin panel casing evaporating heating surface of radiation heat transfer at the wall of flue, and the high-temperature flue gas waste heat of so both can having dissolved also can reduce the layout quantity of heating surface, and safe water circulation is reliable, and cost performance is the highest.Through behind the first passage, flue-gas temperature is cooled to about 600 ℃.
Second channel adopts the heat convection heating surface, and superheater and economizer reasonably are set.
For flue gas, at first, enter from the gas approach of first passage, enter second channel by first passage then, go out from the exhanst gas outlet of second channel.
For water, at first, moisturizing enters from the water inlet of economizer, after being heated then, goes out from the delivery port of economizer, enters drum by pipeline; In drum, enter fin panel casing by down-comer.
For vapour, the isolated vapour of drum enters the air intake of superheater through piping, by heating, goes out from venthole.
For the dust that carries in the flue gas, in the bottom of first passage owing to temperature than higher be gaseous form, in rising to the top process of first passage, reduce gradually along with temperature and become solid-state form, the solid-state dust of a part drops to the bottom (bottom of first passage is provided with the ash bucket (not shown)) of first passage, on the outer wall of solid-state dust attached to the crust block pipe of a part (if necessary blowing pipe can be set), thereby make the dust that enters second pipeline reduce, make the heat exchange effect in second pipeline strengthen, and, reduced the wearing and tearing of the second pipeline heating surface.
Superheater and economizer can determine that single group still is many groups according to heat exchange.All-oxygen combustion glass kiln waste heat boiler of the present utility model can be with the denitration interface.
All-oxygen combustion glass kiln smoke and waste steam boiler described in the utility model has following beneficial effect:
(1) realizes the cascade utilization of the energy, high-quality high usefulness, can utilize waste heat more efficiently.
(1) first flue plays certain dust removing effects.
(3) reduced the wearing and tearing of the second pipeline heating surface, made that the heat exchange effect in second pipeline strengthens.
The above is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an all-oxygen combustion glass kiln smoke and waste steam boiler is characterized in that, comprising:
The vertically first passage that is provided with and the vertically second channel of setting; The top of described first passage and the top of described second channel communicate; The bottom of described first passage is provided with gas approach; The bottom of described second channel is provided with exhanst gas outlet;
The inwall of described first passage is provided with fin panel casing;
Be provided with horizontally disposed heat convection thermoreceptor in the described second channel.
2. all-oxygen combustion glass kiln smoke and waste steam boiler according to claim 1 is characterized in that also comprise: drum is provided with water separator in the described drum;
Described heat convection thermoreceptor comprises: superheater and economizer;
The bottom of described superheater is provided with air intake, and the air intake of described superheater links to each other with the venthole of described drum by pipeline; The top of described superheater is provided with venthole, is used to export steam;
The bottom of described economizer is provided with water inlet, and the top of described economizer is provided with delivery port, and the delivery port of described economizer links to each other with the water inlet of described drum by pipeline;
Described fin panel casing links to each other with drum with down-comer by tedge.
3. all-oxygen combustion glass kiln smoke and waste steam boiler according to claim 2 is characterized in that,
Described superheater is arranged on the top of described second channel; Described economizer is arranged on the bottom of described second channel.
4. all-oxygen combustion glass kiln smoke and waste steam boiler according to claim 2 is characterized in that,
Described superheater is single group or at least two groups, and described economizer is single group or at least two groups.
5. according to the described all-oxygen combustion glass of each claim of claim 1 to 4 kiln smoke and waste steam boiler, it is characterized in that described first passage and described second channel are adjacent setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205628442U CN201753911U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for flue gas of total oxygen combustion glass furnace |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020553838.0 | 2010-09-30 | ||
| CN201020553838 | 2010-09-30 | ||
| CN2010205628442U CN201753911U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for flue gas of total oxygen combustion glass furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201753911U true CN201753911U (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205628442U Expired - Lifetime CN201753911U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for flue gas of total oxygen combustion glass furnace |
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| CN (1) | CN201753911U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183001A (en) * | 2011-03-14 | 2011-09-14 | 哈尔滨电站设备成套设计研究所 | Boiler capable of utilizing waste heat of tail fume of steel rolling heating furnace |
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN104075581A (en) * | 2014-03-28 | 2014-10-01 | 天壕节能科技股份有限公司 | Copper smelting waste heat using boiler |
| CN106871094A (en) * | 2017-04-06 | 2017-06-20 | 深圳市凯盛科技工程有限公司 | A kind of waste heat boiler of all-oxygen combustion glass furnace |
| CN114040893A (en) * | 2019-07-18 | 2022-02-11 | 林德有限责任公司 | Method for operating a combustion furnace and arrangement comprising such a furnace |
-
2010
- 2010-10-15 CN CN2010205628442U patent/CN201753911U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183001A (en) * | 2011-03-14 | 2011-09-14 | 哈尔滨电站设备成套设计研究所 | Boiler capable of utilizing waste heat of tail fume of steel rolling heating furnace |
| CN102183001B (en) * | 2011-03-14 | 2015-08-05 | 哈尔滨电站设备成套设计研究所 | The boiler of heater for rolling steel tail flue gas UTILIZATION OF VESIDUAL HEAT IN |
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN104075581A (en) * | 2014-03-28 | 2014-10-01 | 天壕节能科技股份有限公司 | Copper smelting waste heat using boiler |
| CN106871094A (en) * | 2017-04-06 | 2017-06-20 | 深圳市凯盛科技工程有限公司 | A kind of waste heat boiler of all-oxygen combustion glass furnace |
| CN114040893A (en) * | 2019-07-18 | 2022-02-11 | 林德有限责任公司 | Method for operating a combustion furnace and arrangement comprising such a furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Waste heat boiler for flue gas of total oxygen combustion glass furnace Effective date of registration: 20120522 Granted publication date: 20110302 Pledgee: Bank of Beijing Limited by Share Ltd Dazhong Temple sub branch Pledgor: Top Resource Conservation Engineering Co., Ltd. Registration number: 2012990000225 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130807 Granted publication date: 20110302 Pledgee: Bank of Beijing Limited by Share Ltd Dazhong Temple sub branch Pledgor: Top Resource Conservation Engineering Co., Ltd. Registration number: 2012990000225 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B block 906 Patentee after: TOP RESOURCE CONSERVATION & ENVIRONMENT CO., LTD. Address before: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B block 906 Patentee before: Top Resource Conservation Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110302 |
|
| CX01 | Expiry of patent term |