CN204717648U - A kind of modular afterheat boiler - Google Patents
A kind of modular afterheat boiler Download PDFInfo
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- CN204717648U CN204717648U CN201520362728.9U CN201520362728U CN204717648U CN 204717648 U CN204717648 U CN 204717648U CN 201520362728 U CN201520362728 U CN 201520362728U CN 204717648 U CN204717648 U CN 204717648U
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Abstract
A kind of modular afterheat boiler of the present utility model, comprises steelframe, drum, boiler superheater module, boiler evaporator module and is connected flue; Drum, boiler superheater module and boiler evaporator module set gradually from top to bottom on steelframe; Connect flue vertically to arrange, connect boiler superheater module and boiler evaporator module; The end face of boiler superheater module is connected with air inlet flue; The bottom surface of boiler evaporator module is connected with flue of giving vent to anger; Be connected by condensate pipe and opposing steam flow pipe between drum with evaporator module; Boiler superheater module is connected with steam inlet pipe and steam outlet pipe, boiler superheater module is connected with steam inlet pipe and steam outlet pipe, between steam inlet pipe and drum, be provided with control valve group.Operationally, modular afterheat boiler of the present utility model by the control of the operating pressure of drum thus controlled circulation water temperature, can be avoided because flue gas cool-down too much lower than dew point, causes the corrosion to boiler evaporator module.
Description
Technical field
The utility model relates to a kind of modular afterheat boiler in sulfur reclaimer tail gas incinerator field.
Background technology
At present, after sulfur recovery tail gas incinerator, amount of sulfur contenting in smoke is higher, and the dew point of flue gas is higher, usually can reach 180 DEG C, and to reclaim flue gas, if the dew-point temperature of flue gas is lower than dew point, flue gas easily produces corrosion to the heating surface of rotten boiler.Therefore current most sulfur recovery tail gas incinerator is without middle low-temperature flue gas waste heat retracting device.How overcoming the problems referred to above, improving the resistance to corrosion of waste heat boiler heating surface is the main research direction of technical staff.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of modular afterheat boiler, and it effectively can promote the resistance to corrosion of boiler evaporator module.
A kind of technical scheme realizing described object is: a kind of modular afterheat boiler, comprises steelframe, drum, boiler superheater module, boiler evaporator module and is connected flue;
Described drum, described boiler superheater module and described boiler evaporator module set gradually from top to bottom on described steelframe, are full of supersaturation water in described drum;
Described connection flue is vertically arranged, and connects described boiler superheater module and described boiler evaporator module; The end face of described boiler superheater module is connected with air inlet flue; The bottom surface of described boiler evaporator module is connected with flue of giving vent to anger;
Described boiler evaporator module is connected by condensate pipe and opposing steam flow pipe with between described drum;
Described boiler superheater module is connected with steam inlet pipe and steam outlet pipe, between described steam inlet pipe and described drum, is provided with two one-way cocks parallel with one another, and two described one-way cocks oppositely arrange.
Further, described steelframe is provided with a platform staircase.
Further, described drum, described boiler evaporator module, described boiler superheater module and described connection flue are all supported on steelframe by supporting leg.
Further, described boiler superheater module and described boiler evaporator module all adopt corrosion-proof steel pipe to make.
Further, a total valve is also provided with between described steam inlet pipe and described drum.
A kind of modular afterheat boiler of the present utility model, comprises steelframe, drum, boiler superheater module, boiler evaporator module and is connected flue; Described drum, described boiler superheater module and described boiler evaporator module set gradually from top to bottom on described steelframe; Described connection flue is vertically arranged, and connect described boiler superheater module and described boiler evaporator module, the end face of described boiler superheater module is connected with air inlet flue; The bottom surface of described boiler evaporator module is connected with flue of giving vent to anger; Described boiler evaporator module is connected by condensate pipe and opposing steam flow pipe with between described drum; Described boiler superheater module is connected with steam inlet pipe and steam outlet pipe, between described steam inlet pipe and described drum, is provided with two one-way cocks parallel with one another, and two described one-way cocks oppositely arrange.Operationally, modular afterheat boiler of the present utility model can by for the control of the operating pressure of drum thus controlled circulation water temperature, raising system heating surface tube wall wall temperature, avoid because flue gas cool-down too much lower than dew point, causes the corrosion to boiler superheater module, boiler evaporator module.
Accompanying drawing explanation
Fig. 1 is the structural representation of modular afterheat boiler of the present utility model;
Fig. 2 is the side view of modular afterheat boiler of the present utility model;
Fig. 3 is the process chart of modular afterheat boiler of the present utility model.
Detailed description of the invention
In order to understand the technical solution of the utility model better, be described in detail by reference to the accompanying drawings below by embodiment particularly:
Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of modular afterheat boiler of the present utility model, comprise steelframe 5, drum 1, boiler superheater module 3, boiler evaporator module 2 and be connected flue 4.
Drum 1, boiler superheater module 3 and boiler evaporator module 2 set gradually from top to bottom on steelframe 5, are full of supersaturation water in drum 1;
Connect flue 4 vertically to arrange, connect boiler superheater module 3 and boiler evaporator module 2; The end face of boiler superheater module 3 is connected with air inlet flue 41; The bottom surface of described boiler evaporator module is connected with flue 42 of giving vent to anger;
Drum 1, boiler evaporator module 2, boiler superheater module 3 be connected flue 4 and be all supported on steelframe 1 by supporting leg.
Boiler evaporator module 3 is provided with cooling medium inlet and cooling medium outlet, cooling medium inlet is positioned at the bottom of boiler evaporator module 3, cooling medium outlet is positioned at the top of boiler evaporator module 3, be connected by condensate pipe 71 between described cooling medium inlet with drum 1, enter boiler evaporator module 3 for condensation flow, carry out heat exchange with flue gas.Condensed water is transformed into steam in boiler evaporator module 3, and described cooling medium outlet connects drum 1 by steam return duct 72, enters drum 1 for steam backflow.The closed circuit of a water and steam is formed between boiler evaporator module 3 and drum 1.
Boiler superheater module 2 is provided with steam inlet and steam (vapor) outlet, described steam inlet is positioned at the bottom of boiler superheater module 2, described steam (vapor) outlet is positioned at the top of boiler superheater module 2, described steam inlet connects steam inlet pipe 73, steam is imported boiler superheater module 2, carry out heat exchange with flue gas.Be connected with steam connection tube 74 between steam inlet pipe 73 and drum 1 simultaneously, steam connection tube 74 there is total valve 743, and the first valve 741 and the second valve 742 parallel with one another, first valve 741 flows into drum 1 for water vapour by steam connection tube, second valve 742 flows out drum 1 for water vapour by steam connection tube, and total valve 743 is for regulating water vapour to flow into or flowing out the total flow of drum 1.First valve 741 and the second valve 742 are one-way cock, and are oppositely arrange, and described steam (vapor) outlet connects steam outlet pipe 75, and water supply vapor stream goes out boiler superheater module 2.
Meanwhile, drum 1 is also connected with boiler feed pipe 76.
Boiler superheater module 3 and boiler evaporator module 2 all adopt corrosion-proof steel pipe to make.
Steelframe 5 is provided with a platform staircase 6, ensures repair and maintenance and the operation of boiler.
Modular afterheat boiler of the present utility model is provided with boiler evaporator module 2 and boiler superheater module 3, can by between the steam inlet pipe 73 that goes out at steam inlet and drum 1, first valve 741 and the second valve 742 parallel with one another, control the operating pressure of drum 1 thus to control boiler evaporator module 3 in and flue gas carries out the water temperature of the condensed water of heat exchange, reach the wall temperature of the tube wall improving boiler evaporator module 3 internal heating surface, avoid the temperature of flue gas to corrode the object of boiler evaporator module 3 lower than dew point.
Boiler superheater module 2 and described boiler evaporator module 3 all adopt corrosion-proof steel pipe to make, and its material is 09CrCuSb.
Have employed modular afterheat boiler of the present utility model, there is boiler heating surface modularized design, be convenient to installation and repairing safeguard advantage.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.
Claims (5)
1. a modular afterheat boiler, is characterized in that: comprise steelframe, drum, boiler superheater module, boiler evaporator module and be connected flue, wherein,
Described drum, described boiler superheater module and described boiler evaporator module set gradually from top to bottom on described steelframe, are full of supersaturation water in described drum;
Described connection flue is vertically arranged, and connects described boiler superheater module and described boiler evaporator module; The end face of described boiler superheater module is connected with air inlet flue; The bottom surface of described boiler evaporator module is connected with flue of giving vent to anger;
Described boiler evaporator module is connected by condensate pipe and opposing steam flow pipe with between described drum;
Described boiler superheater module is connected with steam inlet pipe and steam outlet pipe, between described steam inlet pipe and described drum, is provided with two one-way cocks parallel with one another, and two described one-way cocks oppositely arrange.
2. a kind of modular afterheat boiler according to claim 1, is characterized in that: on described steelframe, be provided with a platform staircase.
3. a kind of modular afterheat boiler according to claim 1, is characterized in that: described drum, described boiler evaporator module, described boiler superheater module and described connection flue are all supported on steelframe by supporting leg.
4. a kind of modular afterheat boiler according to claim 1, is characterized in that: described boiler superheater module and described boiler evaporator module all adopt corrosion-proof steel pipe to make.
5. a kind of modular afterheat boiler according to claim 1, is characterized in that: be also provided with a total valve between described steam inlet pipe and described drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362728.9U CN204717648U (en) | 2015-05-29 | 2015-05-29 | A kind of modular afterheat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362728.9U CN204717648U (en) | 2015-05-29 | 2015-05-29 | A kind of modular afterheat boiler |
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| Publication Number | Publication Date |
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| CN204717648U true CN204717648U (en) | 2015-10-21 |
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| CN201520362728.9U Active CN204717648U (en) | 2015-05-29 | 2015-05-29 | A kind of modular afterheat boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906492A (en) * | 2017-11-28 | 2018-04-13 | 湖南长宏南雁锅炉修理安装有限公司 | Industrial smelting zinc exhaust gas heat recovery boiler |
| CN110925736A (en) * | 2019-11-20 | 2020-03-27 | 浙江特富锅炉有限公司 | Frame docking mechanism in boiler |
-
2015
- 2015-05-29 CN CN201520362728.9U patent/CN204717648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906492A (en) * | 2017-11-28 | 2018-04-13 | 湖南长宏南雁锅炉修理安装有限公司 | Industrial smelting zinc exhaust gas heat recovery boiler |
| CN110925736A (en) * | 2019-11-20 | 2020-03-27 | 浙江特富锅炉有限公司 | Frame docking mechanism in boiler |
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