CN201754033U - Waste heat boiler for tunnel kiln fume - Google Patents
Waste heat boiler for tunnel kiln fume Download PDFInfo
- Publication number
- CN201754033U CN201754033U CN2010205628438U CN201020562843U CN201754033U CN 201754033 U CN201754033 U CN 201754033U CN 2010205628438 U CN2010205628438 U CN 2010205628438U CN 201020562843 U CN201020562843 U CN 201020562843U CN 201754033 U CN201754033 U CN 201754033U
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- Prior art keywords
- superheater
- waste heat
- economizer
- tunnel kiln
- evaporimeter
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a waste heat boiler for tunnel kiln fume for settling the problems that a large part of waste heat of the tunnel kiln is wasted and energy saving and environment protection are affected. The waste heat boiler for tunnel kiln fume comprises the following components: a feed pump which is provided with a water outlet; a coal economizer which is provided with a water inlet and a second water outlet while the water inlet is communicated with a first water outlet; a boiler drum which is communicated with the second water outlet through the first pipe; an evaporator which is provided with a first inlet collecting box and a second outlet collecting box, while the first inlet collecting box is communicated with a water space in the boiler drum through a circulating pump, and the first outlet collecting box is communicated with a separator of the boiler drum; and a superheater which is provided with a second inlet collecting box and a second outlet collecting box, wherein the second outlet collecting box is communicated with a steam space of the boiler drum. According to the technical solution, the superheated steam can be generated through the waste heat of the tunnel kiln. As the superheated steam can be used for being transformed to electrical energy or other uses thereby preventing energy wastage and facilitating energy saving and environment protection.
Description
Technical field
The utility model relates to the thermal power field, particularly a kind of tunnel kiln smoke-gas waste heat boiler.
Background technology
Tunnel cave is the Thermal Equipment that continous way is burnt till, and is widely used in baked for producing, brick and tile production and the ore sintering of ceramic product.
Tunnel cave is a long linear tunnel normally, and fixing wall and vault are arranged at its both sides and top, is moving kiln car on the track that lay the bottom.Load the material of to be sintered or roasting on kiln car, kiln car pushes tunnel cave under the effect of thrust unit, and the kiln car that is loaded with the product of burning till is pushed outside the kiln discharge gradually.The direction that kiln car enters is a kiln hood, and the direction that kiln car comes out is the kiln tail.
Along the direction of motion of kiln car, tunnel cave is divided into preheating section, the section of burning till (or claiming constant temperature zone) and cooling section.
Combustion apparatus is located at the both sides, middle part of tunnel cave, has constituted fixing high temperate zone--the section of burning till; The technical process that has also will be kept certain temperature in the section of burning till, so claim constant temperature zone or soaking zone; Most sintering process requires the temperature of the section of burning till to surpass the fusing point of material, can make material melting like this, and material and reducing agent produce reduction reaction.
The high-temperature flue gas that the section of burning till internal combustion produces flows to the kiln hood direction along the tunnel under the effect of tunnel cave front end chimney or air-introduced machine, and progressively preheating enters the interior material of kiln simultaneously, and this section has constituted the tunnel preheating section of kiln.
Kiln tail at tunnel cave blasts cold wind, back one section high-temperature material in the cooling tunnel kiln, the cold wind that blasts becomes hot-air after being heated by high temperature material to be cooled, hot-air is extracted out in the kiln and is sent into drier as the thermal source of wet stock oven dry or deliver to combustion apparatus and participate in fuel combustion, is referred to as hot blast and utilizes.This section just constituted the cooling section of tunnel cave.Cooling section divides quench zone and slow cooling section usually, in the quench zone domestic demand high-temperature material is cooled fast to uniform temperature, prevents to be in the material generation back reaction under the molten condition.Therefore, the requirement of corresponding material chilling temperature system is arranged in the cooling section.
According to the material balance of tunnel cave and thermal equilibrium analysis as can be known, enter the material sensible heat of cooling section and account for 35%～40% of total input heat from the space radiation heat of the section of burning till, this part heat is referred to as waste heat total amount.In the tunnel cave that cogeneration is not set, the waste heat total amount 5% for radiation loss, 30%～35% mode of utilizing again by hot blast of waste heat total amount is returned tunnel cave, remaining 60%～65% is drained and slatterns.
As seen, prior art has been wasted a big chunk waste heat total amount of tunnel cave, is unfavorable for energy-conserving and environment-protective.
The utility model content
The utility model embodiment provides a kind of tunnel kiln smoke-gas waste heat boiler, in order to solve a big chunk waste heat total amount that prior art has been wasted tunnel cave, is unfavorable for the problem of energy-conserving and environment-protective.
The utility model embodiment provides a kind of tunnel kiln smoke-gas waste heat boiler, comprising:
Feed pump has first delivery port;
Economizer has the water inlet and second delivery port, and described water inlet is communicated with described first delivery port;
Drum is communicated with described second delivery port by first pipeline;
Evaporimeter has the first inlet collection case and the first outlet collection case, and the described first inlet collection case is communicated with the hydrospace of described drum by circulating pump, and the described first outlet collection case is communicated with the separator of described drum by second pipeline;
Superheater has the second inlet collection case and the second outlet collection case, and the described second inlet collection case is communicated with the air space of described drum by the 3rd pipeline.
Described economizer is positioned at the right side of described evaporimeter, and described superheater is positioned at the left side of described evaporimeter; Perhaps
Described economizer is positioned at the left side of described superheater, and described evaporimeter is positioned at the right side of described superheater; Perhaps
Described evaporimeter is positioned at the left side of described economizer, and described superheater is positioned at the right side of described economizer.
Described economizer is the economizer group that is formed by a plurality of sub-economizer serial connections.
Described superheater is the superheater group that is formed by a plurality of sub-superheater serial connections.
The number of described evaporimeter is one or more.
The heating surface pipe of described economizer, evaporimeter and superheater is light pipe, extended surface tube or gilled tube.
The heating surface pipe of described economizer, evaporimeter and superheater is arranged for suitable row or stagger arrangement is arranged.
The technical scheme that the utility model embodiment provides can utilize the waste heat of tunnel cave to generate superheated steam, owing to superheated steam can be used to change into electric energy or be used as other purposes, thereby has avoided the waste of energy, helps energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model embodiment tunnel kiln smoke-gas waste heat boiler;
Fig. 2 A is second kind of structural representation of the utility model embodiment tunnel kiln smoke-gas waste heat boiler;
Fig. 2 B is the third structural representation of the utility model embodiment tunnel kiln smoke-gas waste heat boiler;
Fig. 2 C is the 4th a kind of structural representation of the utility model embodiment tunnel kiln smoke-gas waste heat boiler;
Fig. 3 is the 5th a kind of structural representation of the utility model embodiment tunnel kiln smoke-gas waste heat boiler;
Fig. 4 A, 4B are the schematic diagram of each heating surface pipe of the utility model embodiment tunnel kiln smoke-gas waste heat boiler for arranging along row;
Fig. 4 C, 4D are that each heating surface pipe of the utility model embodiment tunnel kiln smoke-gas waste heat boiler is the schematic diagram that stagger arrangement is arranged;
Fig. 5 A is the front view of the utility model embodiment light pipe;
Fig. 5 B is the enlarged diagram of the utility model embodiment light pipe one intercept;
Fig. 5 C is the front view of the utility model embodiment extended surface tube;
Fig. 5 D is the enlarged diagram of the utility model embodiment extended surface tube one intercept;
Fig. 5 E is the front view of the utility model embodiment gilled tube;
Fig. 5 F is the enlarged diagram of the utility model embodiment gilled tube one intercept;
Fig. 6 is provided with the tunnel cave structural representation of smoke and waste steam boiler for the utility model embodiment.
The specific embodiment
In order to solve the problem that prior art exists, the utility model embodiment provides a kind of tunnel kiln smoke-gas waste heat boiler.
Referring to Fig. 1, the utility model embodiment provides a kind of tunnel kiln smoke-gas waste heat boiler, comprising:
Economizer 4 has the water inlet and second delivery port, and water inlet is communicated with first delivery port;
Drum 1 is communicated with second delivery port by first pipeline;
Evaporimeter 3 has the first inlet collection case and the first outlet collection case, and the first inlet collection case is communicated with the hydrospace of drum 1 by circulating pump 5, and the first outlet collection case is communicated with the separator of drum 1 by second pipeline; Circulating pump 5 can be a forced circulation pump;
Superheater 2 has the second inlet collection case and the second outlet collection case, and the second inlet collection case is communicated with the air space of drum 1 by the 3rd pipeline.
The position ordering of superheater 2, evaporimeter 3, economizer 4 is:
Economizer 4 is positioned at the right side of evaporimeter 3, and superheater 2 is positioned at the left side (referring to Fig. 1) of evaporimeter 3; Economizer 4 is positioned at the left side of evaporimeter 3, and superheater 2 is positioned at the right side (referring to Fig. 2 A) of evaporimeter 3; Perhaps
Economizer 4 is positioned at the left side of superheater 2, and evaporimeter 3 is positioned at the right side (referring to Fig. 2 B) of superheater 2; Economizer 4 is positioned at the right side of superheater 2, and evaporimeter 3 is positioned at the left side (referring to Fig. 2 C) of superheater 2; Perhaps
Evaporimeter 3 is positioned at the left side of economizer 4, and superheater 2 is positioned at the right side of economizer 4; Perhaps other position ordering.
Economizer 4 can be an economizer, it also can be the economizer group (referring to Fig. 3) that forms by a plurality of sub-economizer 41 serial connections, at this moment, the water inlet of economizer 4 is the water inlet of first sub-economizer 41 of economizer group, and the delivery port of economizer 4 is the delivery port of last sub-economizer 41 of economizer group.
Superheater 2 can be a superheater, it also can be the superheater group (referring to Fig. 3) that forms by a plurality of sub-superheater 21 serial connections, at this moment, the second inlet collection case of superheater 2 is the inlet collection case of first sub-superheater 21 of superheater group, and the second outlet collection case of superheater 2 is the outlet collection case of last sub-superheater 21 of superheater group.
The number of evaporimeter 3 is one or more (referring to Fig. 3).
The arrangement of each heating surface of waste heat boiler (superheater 2, evaporimeter 3 and economizer 4) pipe can be (referring to Fig. 4 A, the 4B) that arrange along row, also can be (referring to Fig. 4 C, the 4D) that stagger arrangement is arranged.
Above-mentioned each heating surface pipe can adopt light pipe (referring to Fig. 5 A, 5B), also can adopt extended surface tube (referring to Fig. 5 C, 5D) or gilled tube (referring to Fig. 5 E, 5F).
The tunnel kiln smoke-gas waste heat boiler that the utility model embodiment provides can place (as shown in Figure 6) in the tunnel cave, and the waste heat of tunnel cave is carried out following processing as thermal source:
As seen, the tunnel kiln smoke-gas waste heat boiler that the utility model embodiment provides can utilize the waste heat of tunnel cave to generate superheated steam, because superheated steam can be used to change into electric energy or be used as other purposes, thereby has avoided the waste of energy, helps energy-conserving and environment-protective.
Wherein, drum 1, first pipeline, second pipeline and the 3rd pipeline can be positioned at tunnel cave 7 outsides.The second outlet collection case can be communicated with steam turbine, utilizes the heat of superheated steam to generate electricity by steam turbine; Also can be communicated with other machine, by the heat of other machinery utilization superheated steam.
The tunnel kiln smoke-gas waste heat boiler can be arranged at the upper space of the cooling section of tunnel cave 7, perhaps is arranged at other position of tunnel cave 7 as required.Superheater 2, evaporimeter 3, economizer 4 can be adjusted as required along the position ordering of tunnel cave 7 flue gas directions.
As shown in Figure 6, the tunnel kiln smoke-gas waste heat boiler places cooling section, and economizer 4 closes on the constant temperature zone setting, and the constant temperature zone temperature is higher, and economizer 4 just becomes radiation heating-surface, and the heat that utilizes constant temperature zone to give off heats; Evaporimeter 3 places economizer 4 left sides, and superheater 2 places evaporimeter 3 left sides, and evaporimeter 3 and superheater 2 utilize the heat of flue gas to heat.Superheater 2, evaporimeter 3, economizer 4 also can be arranged in tunnel cave 7 by Fig. 2 A-2C, order shown in Figure 3, the heating surface that closes on constant temperature zone just becomes radiation heating-surface, the heat that utilizes constant temperature zone to give off heats, and other heating surface utilizes the heat of flue gas to heat.As seen, each heating surface arranges that arrangement mode is versatile and flexible, not only heat can be made full use of, and can adapt to the flue gas variation, can be with the heat cascade utilization.
Each heating surface of tunnel kiln smoke-gas waste heat boiler (superheater 2, evaporimeter 3 and economizer 4) pipe can be parallel to the flow of flue gas direction and arrange, also can arrange perpendicular to the flow of flue gas direction; Pipe and flow of flue gas direction can be following current, also adverse current.
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 (7)
1. a tunnel kiln smoke-gas waste heat boiler is characterized in that, comprising:
Feed pump has first delivery port;
Economizer has the water inlet and second delivery port, and described water inlet is communicated with described first delivery port;
Drum is communicated with described second delivery port by first pipeline;
Evaporimeter has the first inlet collection case and the first outlet collection case, and the described first inlet collection case is communicated with the hydrospace of described drum by circulating pump, and the described first outlet collection case is communicated with the separator of described drum by second pipeline;
Superheater has the second inlet collection case and the second outlet collection case, and the described second inlet collection case is communicated with the air space of described drum by the 3rd pipeline.
2. tunnel kiln smoke-gas waste heat boiler as claimed in claim 1 is characterized in that,
Described economizer is positioned at the right side of described evaporimeter, and described superheater is positioned at the left side of described evaporimeter; Perhaps
Described economizer is positioned at the left side of described superheater, and described evaporimeter is positioned at the right side of described superheater; Perhaps
Described evaporimeter is positioned at the left side of described economizer, and described superheater is positioned at the right side of described economizer.
3. tunnel kiln smoke-gas waste heat boiler as claimed in claim 1 is characterized in that,
Described economizer is the economizer group that is formed by a plurality of sub-economizer serial connections.
4. tunnel kiln smoke-gas waste heat boiler as claimed in claim 1 is characterized in that,
Described superheater is the superheater group that is formed by a plurality of sub-superheater serial connections.
5. as arbitrary described tunnel kiln smoke-gas waste heat boiler among the claim 1-4, it is characterized in that,
The number of described evaporimeter is one or more.
6. as arbitrary described tunnel kiln smoke-gas waste heat boiler among the claim 1-4, it is characterized in that,
The heating surface pipe of described economizer, evaporimeter and superheater is light pipe, extended surface tube or gilled tube.
7. as arbitrary described tunnel kiln smoke-gas waste heat boiler among the claim 1-4, it is characterized in that,
The heating surface pipe of described economizer, evaporimeter and superheater is arranged for suitable row or stagger arrangement is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205628438U CN201754033U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for tunnel kiln fume |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020553880.2 | 2010-09-30 | ||
| CN201020553880 | 2010-09-30 | ||
| CN2010205628438U CN201754033U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for tunnel kiln fume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201754033U true CN201754033U (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205628438U Expired - Lifetime CN201754033U (en) | 2010-09-30 | 2010-10-15 | Waste heat boiler for tunnel kiln fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201754033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287800A (en) * | 2011-06-10 | 2011-12-21 | 邢同春 | System for producing steam by utilizing coke oven to heat waste gas and waste heat |
| CN105042553A (en) * | 2015-08-27 | 2015-11-11 | 中能世华(北京)节能科技有限公司 | Intelligent auxiliary circulating water pipe waste heat boiler |
| CN105571315A (en) * | 2014-10-15 | 2016-05-11 | 广东华信达节能环保有限公司 | Novel energy-saving environment-friendly kiln |
-
2010
- 2010-10-15 CN CN2010205628438U patent/CN201754033U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287800A (en) * | 2011-06-10 | 2011-12-21 | 邢同春 | System for producing steam by utilizing coke oven to heat waste gas and waste heat |
| CN105571315A (en) * | 2014-10-15 | 2016-05-11 | 广东华信达节能环保有限公司 | Novel energy-saving environment-friendly kiln |
| CN105042553A (en) * | 2015-08-27 | 2015-11-11 | 中能世华(北京)节能科技有限公司 | Intelligent auxiliary circulating water pipe waste heat boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |