CN2780777Y - Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system - Google Patents
Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system Download PDFInfo
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- CN2780777Y CN2780777Y CN 200520023413 CN200520023413U CN2780777Y CN 2780777 Y CN2780777 Y CN 2780777Y CN 200520023413 CN200520023413 CN 200520023413 CN 200520023413 U CN200520023413 U CN 200520023413U CN 2780777 Y CN2780777 Y CN 2780777Y
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Abstract
The utility model discloses a cleaning cold and clean coal gas forced circulation cover type bright annealing furnace system, which is composed of a coal gas generator, a coal gas cleaning device, an ammonia decomposition hydrogen making device and an automatic control cover type annealing furnace which are orderly connected together. The utility model has the advantages of low operation cost and achievement of the requirements of automatic control and manual control. Hydrogen gas can be directly extracted from cold and clean coal gas by the system or bottled hydrogen gas is used for the cover type furnace as protection gas. Thus, the goal of brightness can be achieved.
Description
Technical field
The utility model relates to the cold purified gas of a kind of cleaning shield type bright annealing oven system that circulates by force, belongs to the industrial furnace technical field.
Background technology
Present domestic combustion gas bell furnace system mostly is combustion Sweet natural gas, liquefied gas, coke-oven gas, mixed gas or hot dirty gas bell furnace, because Sweet natural gas, liquefied gas, coke-oven gas, mixed gas cost are very high, fuel gas source is not popularized simultaneously, therefore, it has significant limitation, though and combustion hot dirty gas cost is lower, but can not realize that output is big, many group stoves reach automatic control and manual requirement simultaneously, and labour intensity is big, and operating environment is poor, so it only is applicable to the producer of small serial production, also have electric heating bell-type furnace, its running cost is higher.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model provide a kind of easy to use, cost is low, cold purified gas automatic control or manual strong circulation shield type bright annealing oven system are cleaned in the combustion that can reach manual control and automatic control requirement simultaneously.
The technical scheme in the invention for solving the above technical problem is: clean the cold purified gas shield type bright annealing oven system that circulates by force, comprising: a gazogene; One gas cleaning device is connected with gazogene via pipeline, purifies the gas that gazogene produces; One automatic control or manual bell type annealing furnace are connected with gas cleaning device via a gas compressor, and the gas that gas cleaning device produces is sent into automatic control or manual bell type annealing furnace after the gas compressor pressurization; And a preparing hydrogen by ammonia decomposition device, with decomposing the gas that comes out, be input to automatic control or manual bell type annealing furnace as Annealing Protection gas.
Described gazogene is unistage type or two-part mixed gas producer, unistage type or two-part blue-gas generator, pressurized-gasification furnace, wherein a kind of in the fluidized-bed.
Described gas cleaning device includes vertical tube washing, an electrical tar precipitator, a washing tower, a gas compressor, and wherein connecting tube interconnects those equipment successively by being arranged on the air inlet/outlet on those equipment, to form gas cleaning device.
Described gas cleaning device also can comprise vertical tube washing, a washing tower, a gas compressor, and wherein connecting tube interconnects those equipment successively by being arranged on the air inlet/outlet on those equipment, to form gas cleaning device.
Described automatic control bell type annealing furnace comprises the cooled coal gas combustion unit, wherein is provided with the heating mantles that available strong cooling cowl is changed in cooled coal gas combustion unit inside, is provided with an inner cover in this heating mantles, and the inner cover bottom is provided with the last one recirculation blower; And the Controlling System that connects this cooled coal gas combustion unit.
Described preparing hydrogen by ammonia decomposition device is connected and composed via the purification devices that the interchanger that is connected with decomposing furnace respectively via pipeline, strainer connect by gasifier; wherein gasifier is with the ammonia liquor of gasification; enter ammonia destruction furnace through interchanger; the gas that is decomposited by ammonia destruction furnace enters purification devices again after the interchanger cooling, strainer filters the gas behind the purifying and sends in the bell furnace inner cover as Annealing Protection gas.
The technical progress that the utility model is obtained is: after the utility model adopts said structure, the utility model fuel is raw coal, solved the problem of combustion Sweet natural gas and the existence of other geseous fuel from cost and popularization, simultaneously, the utility model is cold purified gas, can reach automatic control and manual requirement fully, this has just solved batch process, the problem of work situation and labour intensity.Also have; the utility model can also directly extract hydrogen and be used for bell furnace do protection atmosphere from cold purified gas; reach bright purpose; and the recovery of the residual gas behind the extraction hydrogen is used for the bell furnace heating, and this is to fire difficult realizations such as Sweet natural gas, liquefied gas, coke(oven)gas, mixed gas, hot dirty gas.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model is made of the gazogene one, gas cleaning device two, preparing hydrogen by ammonia decomposition device three and the automatic control bell type annealing furnace four that link to each other successively; Wherein gazogene one is unistage type or two-part mixed gas producer 1, unistage type or two-part blue-gas generator, pressurized-gasification furnace, wherein a kind of in the fluidized-bed; Gas cleaning device two is made up of the vertical tube washing 2, electrical tar precipitator 3, washing tower 4, the gas compressor 5 that link to each other successively; Also can form by the vertical tube washing 2, washing tower 4, the gas compressor 5 that link to each other successively; Preparing hydrogen by ammonia decomposition device three comprises the gasifier 6 that links to each other successively, interchanger 7, and decomposing furnace 8, purification devices 9, strainer 10 constitutes.Automatic control bell type annealing furnace four comprises that heating mantles 11, strong recirculation blower 12, inner cover 13, coal gas burner 14, strong cooling cowl 15, Controlling System 16 constitute.Its principle of work is as follows: by the hot dirty gas of producer gas generator 1 generation, through vertical tube washing 2 washing sprays, remove most of dust and a small amount of tar impurity in the coal gas, entering electrical tar precipitator 3 again removes the tar in the coal gas clean by high pressure absorption, the coal gas that comes out from electrical tar precipitator 3 enters 4 three grades of washings of washing tower, further remove dust and impurity in the coal gas, make it to become to clean and enter gas compressor 5 behind the cold purified gas low-pressure gas is become high pressure gas, through after this a series of removal of impurities pressure treatment, coal-tar middle oil from the coal gas that gas compressor 5 comes out, dust content is lower than 40mg/Nm
3Gas pressure is greater than 4000Pa, such coal gas (also can add a part of blast furnace gas or coke-oven gas) can reach the technical requirements that realizes automatic or manual control before stove fully, the coal gas that comes out from gas compressor 5 enters the coal gas burner 14 that is installed on the heating mantles 11, burning through coal gas burner 14 heats up to the steel coil strip that is seated in inner cover 13, insulation, treat that the coil of strip insulation in the inner cover 13 finishes, hang away heating mantles 11, change 15 pairs of steel coil strip of strong cooling cowl and carry out wind, water cooling, carry out firing up at coil of strip, insulation, follow the operation of strong recirculation blower 12 in the process of cooling simultaneously, homogeneity and speed of cooling with the control furnace temperature, under the control of Controlling System 16, realize annealed technological process and requirement, the so far end of processing of total system simultaneously.In whole annealing process, liquid ammonia enters in the ammonia destruction furnace 8 through interchanger 7 through gasifier 6 vaporization, under catalyst action, gaseous ammonia is resolved into 75% H
2With 25% N
2, the gas that decomposition is come out enters purification devices 9 after lowering the temperature through interchanger 7, and the gas behind the purifying enters in the bell furnace inner cover 13 as Annealing Protection gas through strainer 10.
Claims (6)
1, clean the cold purified gas shield type bright annealing oven system that circulates by force, it is characterized in that it comprises:
One gazogene;
One gas cleaning device is connected with gazogene via pipeline, purifies the gas that gazogene produces;
One automatic control or manual bell type annealing furnace are connected with gas cleaning device via a gas compressor, and the gas that gas cleaning device produces is sent into automatic control or manual bell type annealing furnace after the gas compressor pressurization; And
One preparing hydrogen by ammonia decomposition device as Annealing Protection gas, is transported to automatic control or manual bell type annealing furnace with the gas that decomposes.
2, the cold purified gas of the cleaning according to claim 1 shield type bright annealing oven system that circulates by force, it is characterized in that: described gazogene is unistage type or two-part mixed gas producer, unistage type or two-part blue-gas generator, pressurized-gasification furnace, wherein a kind of in the fluidized-bed.
3, the cold purified gas of the cleaning according to claim 1 shield type bright annealing oven system that circulates by force, it is characterized in that: described gas cleaning device comprises vertical tube washing, an electrical tar precipitator, a washing tower, a gas compressor, wherein connecting tube is by being arranged on the air inlet/outlet on those equipment, successively those equipment are interconnected, to form gas cleaning device.
4, according to claim 1 or the cold purified gas of the 3 described cleanings shield type bright annealing oven system that circulates by force, it is characterized in that: described gas cleaning device also can comprise vertical tube washing, a washing tower, a gas compressor, wherein connecting tube is by being arranged on the air inlet/outlet on those equipment, successively those equipment are interconnected, to form gas cleaning device.
5, the cold purified gas of the cleaning according to claim 1 shield type bright annealing oven system that circulates by force, it is characterized in that: described automatic control bell type annealing furnace comprises the cooled coal gas combustion unit, wherein be provided with the heating mantles that available strong cooling cowl is changed in cooled coal gas combustion unit inside, be provided with an inner cover in this heating mantles, the inner cover bottom is provided with the last one recirculation blower; And the Controlling System that connects this cooled coal gas combustion unit.
6, the cold purified gas of the cleaning according to claim 1 shield type bright annealing oven system that circulates by force is characterized in that: the purification devices that the interchanger that described preparing hydrogen by ammonia decomposition device is connected with decomposing furnace respectively via pipeline by gasifier, strainer connect connects and composes; wherein gasifier is with the ammonia liquor of gasification; enter ammonia destruction furnace via interchanger; the gas that is decomposited by ammonia destruction furnace enters purification devices again after the interchanger cooling, strainer filters the gas behind the purifying and sends in the bell furnace inner cover as Annealing Protection gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023413 CN2780777Y (en) | 2005-01-24 | 2005-01-24 | Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023413 CN2780777Y (en) | 2005-01-24 | 2005-01-24 | Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2780777Y true CN2780777Y (en) | 2006-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023413 Expired - Lifetime CN2780777Y (en) | 2005-01-24 | 2005-01-24 | Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system |
Country Status (1)
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| CN (1) | CN2780777Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812584A (en) * | 2010-05-06 | 2010-08-25 | 山西太钢不锈钢股份有限公司 | Method for blowing hydrogen in cover annealing |
| CN101880026A (en) * | 2010-06-03 | 2010-11-10 | 苏州苏净保护气氛有限公司 | Ammonia decomposition device |
| CN102312068A (en) * | 2010-07-02 | 2012-01-11 | 南通新兴特种金属材料有限公司 | Stainless steel hydrogen protective bright treatment production technology |
| CN112251262A (en) * | 2020-09-29 | 2021-01-22 | 张家港扬子江冷轧板有限公司 | Coal gas filter equipment suitable for annealing stove |
-
2005
- 2005-01-24 CN CN 200520023413 patent/CN2780777Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812584A (en) * | 2010-05-06 | 2010-08-25 | 山西太钢不锈钢股份有限公司 | Method for blowing hydrogen in cover annealing |
| CN101812584B (en) * | 2010-05-06 | 2012-03-21 | 山西太钢不锈钢股份有限公司 | Method for blowing hydrogen in cover annealing |
| CN101880026A (en) * | 2010-06-03 | 2010-11-10 | 苏州苏净保护气氛有限公司 | Ammonia decomposition device |
| CN102312068A (en) * | 2010-07-02 | 2012-01-11 | 南通新兴特种金属材料有限公司 | Stainless steel hydrogen protective bright treatment production technology |
| CN112251262A (en) * | 2020-09-29 | 2021-01-22 | 张家港扬子江冷轧板有限公司 | Coal gas filter equipment suitable for annealing stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHIJIAZHUANG XINHUA ENERGY ENVIRONMENTAL TECHNOLOG Free format text: FORMER OWNER: JIA HUIPING Effective date: 20130129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050091 SHIJIAZHUANG, HEBEI PROVINCE TO: 051431 SHIJIAZHUANG, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130129 Address after: 051431 Hebei city of Shijiazhuang province Luancheng douyu town equipment manufacturing base of Xinhua Road No. 6 (douyu West Middle School) Patentee after: Shijiazhuang Xinhua Energy and Environmental Protection Technology Co., Ltd. Address before: 050091 Hebei city of Shijiazhuang province in the South Street No. 88 Shijiazhuang Xinhua Gong Xing Lu Industrial Furnace Co. Ltd Patentee before: Jia Huiping |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150124 Granted publication date: 20060517 |