CN203203000U - Improved modular heat recovery steam generator - Google Patents
Improved modular heat recovery steam generator Download PDFInfo
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- CN203203000U CN203203000U CN 201320155546 CN201320155546U CN203203000U CN 203203000 U CN203203000 U CN 203203000U CN 201320155546 CN201320155546 CN 201320155546 CN 201320155546 U CN201320155546 U CN 201320155546U CN 203203000 U CN203203000 U CN 203203000U
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Abstract
The utility model relates to an improved modular heat recovery steam generator, and belongs to the technical field of waste heat recovery. The improved modular heat recovery steam generator comprises a heat exchange basic module and a steam separator (7), a steam outlet at the upper end of the heat exchange module is connected with an inlet of the steam separator (7) through a steam conduit (10), a first outlet formed in the upper end of the steam separator (7) is connected with a steam discharge pipe (6), a second outlet formed in the lower end of the steam separator (7) is connected with a water drain pipe (9), the water drain pipe (9) is connected with a water collecting pipe (12) at the lower end of the heat exchange basic module, and a circulation loop is formed by the water drain pipe (9) and the water collecting pipe (12). The improved modular heat recovery steam generator is novel in structure, the heat exchange basic module can be designed according to the volume of steam, the number of heat exchange basic modules is set according to the level of thermal power, the complex problems in the design, manufacture and usage of waste heat recovery are solved, the work efficiency of design, manufacture and management is improved, the safety of thermal power cycle and water cycle and the reliability of steam-water separation are guaranteed, and the improved modular heat recovery steam generator is convenient to manufacture, assemble and operate, reliable in circulation and easy to control.
Description
[technical field]
The utility model relates to the heat recovery technology field, specifically a kind of modified modular heat recovery steam generator.
[background technology]
At present, a lot of waste heat recovery projects of China substantially all are to utilize hot flue gas water generates steam (or hot water), in each recovery project, exhaust gas volumn is arranged and determine thermal power according to flue-gas temperature.But the exhaust gas volumn of each project is not identical with flue-gas temperature, when carrying out the waste heat recovery Project design, needs to determine according to exhaust gas volumn the physical dimension of heat exchanger, according to the size decision heat exchange area of thermal power.This type of project demands amount is large, and design, manufacturing and management work are loaded down with trivial details.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of modified modular heat recovery steam generator is provided, can be according to the size design heat exchange basic module of exhaust gas volumn, and the quantity that determines the heat exchange basic module according to the size of thermal power, solve a loaded down with trivial details difficult problem in waste heat recovery design, manufacturing and the use, improved the operating efficiency of design, manufacturing and management.
Design for achieving the above object a kind of modified modular heat recovery steam generator, comprise heat exchange basic module and steam-water separator 7, the venthole of described heat exchange basic module upper end connects steam-water separator 7 imports, the outlet one of described steam-water separator 7 upper ends connects gland steam exhauster 6, the outlet two of described steam-water separator 7 lower ends connects tapping pipe 9, and described tapping pipe 9 links to each other with the collector pipe 12 of heat exchange basic module lower end and forms closed circuit.
Described heat exchange basic module comprises steam-water mixing pipe 1, heating tube 2, feed pipe 3, water communicating pipe 4, module intercommunication pipe 5, steam guiding tube 10, dry pipe 11, collector pipe 12 and blow-off pipe 13, described feed pipe 3, heating tube 2, steam-water mixing pipe 1, water communicating pipe 4 consists of the Heating Cyclic loop, on the described steam-water mixing pipe 1, the lower end connects respectively dry pipe 11, collector pipe 12, described dry pipe 11 connects steam-water separator 7 imports by steam guiding tube 10, described collector pipe 12 connects blow-off pipe 13, and described heat exchange basic module is by steam-water mixing pipe 1, heating tube 2, feed pipe 3, dry pipe 11, collector pipe 12, water communicating pipe 4 forms natural convection loop.
Described steam-water mixing pipe 1, heating tube 2, feed pipe 3, water communicating pipe 4 are respectively equipped with more than two at least.
Described heat exchange basic module is provided with more than at least one group, links to each other by module intercommunication pipe 5, steam guiding tube 10 between described heat exchange basic module is adjacent.
Water level is installed on the described steam-water separator 7 shows that control device 8, pressure show control device and built-in steam-water separation structure.
Adopt flange to be connected, to be welded to connect between described steam-water separator 7 and steam guiding tube 10, tapping pipe 9, module intercommunication pipe 5, the gland steam exhauster 6 or the nipple connection.
Described heating tube 2 is light pipe, finned tube, extended surface tube, studded tube or heat pipe.
The utility model is compared with prior art, novel structure, simple, reasonable in design, utilize basic principle and designing requirement in the design, the heat exchange basic module different according to the size design of exhaust gas volumn determines according to the size of thermal power the quantity of heat exchange basic module to have solved a loaded down with trivial details difficult problem in waste heat recovery design, manufacturing and the use, improve the operating efficiency of design, manufacturing and management, guaranteed the reliability that the security of thermal power, water circulation separates with carbonated drink; In addition, modified modular heat recovery steam generator described in the utility model is made, assembling, operation be all very convenient, and circulation is reliable, and easily control is worthy of popularization.
[description of drawings]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Among the figure: 1, steam-water mixing pipe 2, heating tube 3, feed pipe 4, water communicating pipe 5, module intercommunication pipe 6, gland steam exhauster 7, steam-water separator 8, water level show control device 9, tapping pipe 10, steam guiding tube 11, dry pipe 12, collector pipe 13, blow-off pipe 14, feed pipe.
[specific embodiment]
Further specify below below in conjunction with accompanying drawing the utility model being done:
As shown in drawings, the utility model comprises: heat exchange basic module and steam-water separator 7.The steam guiding tube 10 of heat exchange basic module upper end connects steam-water separator 7 imports, and the outlet one of steam-water separator 7 upper ends connects gland steam exhauster 6; The outlet two of steam-water separator 7 lower ends connects tapping pipe 9, and tapping pipe 9 links to each other with the collector pipe 12 of heat exchange basic module lower end and forms closed circuit.This heat exchange basic module comprises steam-water mixing pipe 1, heating tube 2, feed pipe 3, water communicating pipe 4, module intercommunication pipe 5, steam guiding tube 10, dry pipe 11, collector pipe 12 and blow-off pipe 13.Feed pipe 3, heating tube 2, steam-water mixing pipe 1, water communicating pipe 4 consist of the Heating Cyclic loop.Steam-water mixing pipe 1 upper and lower end connects respectively dry pipe 11, collector pipe 12.Dry pipe 11 connects steam-water separator 7 imports by steam guiding tube 10.Collector pipe 12 connects blow-off pipe 13, water communicating pipe 4, module intercommunication pipe 5.The heat exchange basic module forms natural convection loop by dry pipe 11, collector pipe 12, steam-water mixing pipe 1, heating tube 2, feed pipe 3, water communicating pipe 4.
In the utility model, the heat exchange basic module can be one group, also can be for more than two groups, if in the time of more than two groups, pass through module intercommunication pipe 5 between the two adjacent groups heat exchange basic module, steam guiding tube 10 links to each other, steam-water mixing pipe 1 in every group of heat exchange basic module, heating tube 2, feed pipe 3, be respectively equipped with water communicating pipe 4 all more than at least two, collector pipe 12 connects feed pipe 14, water level is installed on the steam-water separator 7 shows control device 8, pressure shows control device and built-in steam-water separation structure, steam-water separator 7 and steam guiding tube 10, tapping pipe 9, module intercommunication pipe 5, adopt flange to connect between the gland steam exhauster 6, be welded to connect or the nipple connection, heating tube 2 can be light pipe, finned tube, extended surface tube, studded tube or heat pipe etc.
In UTILIZATION OF VESIDUAL HEAT IN, the occasion of various application waste heats has different exhaust gas volumns, and the height of waste heat supply temperature determines the thermal power of UTILIZATION OF VESIDUAL HEAT IN.The utility model is a kind of steam generator that is applied to bootstrap system, be changeable for UTILIZATION OF VESIDUAL HEAT IN occasion situation, thermal power differs greatly, for standardized designs and the custom-designed novel waste heat steam generating equipment of matching requirements.The heat exchange basic module different according to the exhaust gas volumn size design, again according to what of thermal power, the quantity of assembling heat exchange basic module.Since the special structure of this device design, the reliability that the security of assurance thermal power, water circulation separates with carbonated drink.Its main feature is: (1) forms a natural convection loop by heat exchange basic module, dry pipe, collector pipe and water communicating pipe, the reliable and easy control of circulation; (2) can determine according to the size of thermal power the quantity of basic module, each module be connected with steam guiding tube by module intercommunication pipe, and form one with steam-water separator, make, assembling, operation be convenient.
The utility model is according to heat exchange principle, utilizes the difference in specific gravity of water under different temperatures water to be heated into a kind of special installation of steam, and wherein, the heat exchange basic module mainly plays heat exchange in the utility model.The heat exchange basic module forms one group of water natural convection loop and heater, utilizes the difference in specific gravity of steam, steam water interface, water, reaches water continuous hydronic purpose in the heat exchange basic module.During operation, steam causes steam-water separator by steam guiding tube, and the clean steam after steam-water separator separates is discharged by gland steam exhauster, and water then causes collector pipe by tapping pipe, enters heat exchange basic module system and continues heating.
The utility model can be assembled by many groups heat exchange basic module according to the size of thermal power.During assembling, each pack module intercommunication pipe, steam guiding tube, steam-water separator and tapping pipe need only be connected and namely can.During connection, can adopt flanged assembling mode, also can adopt docking welding (or mode of other connection).Connection between each heat exchange basic module, steam-water separator, steam guiding tube, the tapping pipe can be adopted the connected modes such as flange connects, is welded to connect, nipple connection.
According to the utility model operation principle, following table one exhaust gas volumn and steam production are for using coverage, and unit is in the table: heat recovery steam generator exhaust gas volumn 10
3Nm
3/ h, heat recovery steam generator steam production t/h.
| Exhaust gas volumn | 1～1.5 | 1.5～2 | 2～2.5 | 2.5～3 | 3～3.5 | 3.5～4.5 | 4.5～5.5 | 5.5～6.5 | 6.5～7.5 | 7.5～8.5 | 8.5～10 |
| Steam production | 0.1～0.3 | 0.1～0.4 | 0.1～0.5 | 0.1～0.8 | 0.1～1.0 | 0.15～1.5 | 0.2～2.0 | 0.25～2.5 | 0.3～3 | 0.35～3.5 | 0.4～4 |
Table one
In the utility model, when modified modular heat recovery steam generator uses, according to calculation requirement, assembling heat exchange basic module quantity, install at the scene and finish rear (comprising insulation), connect water (comprising feed pump), electricity and system controller and just can carry out test running to modified modular heat recovery steam generator, install and use very convenient.
The utility model is not subjected to the restriction of above-mentioned embodiment; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. modified modular heat recovery steam generator, it is characterized in that: comprise heat exchange basic module and steam-water separator (7), the venthole of described heat exchange basic module upper end connects steam-water separator (7) import, the outlet one of described steam-water separator (7) upper end connects gland steam exhauster (6), the outlet two of described steam-water separator (7) lower end connects tapping pipe (9), and described tapping pipe (9) links to each other with the collector pipe (12) of heat exchange basic module lower end and forms closed circuit.
2. modified modular heat recovery steam generator as claimed in claim 1, it is characterized in that: described heat exchange basic module comprises steam-water mixing pipe (1), heating tube (2), feed pipe (3), water communicating pipe (4), module intercommunication pipe (5), steam guiding tube (10), dry pipe (11), collector pipe (12) and blow-off pipe (13), described feed pipe (3), heating tube (2), steam-water mixing pipe (1), water communicating pipe (4) consists of the Heating Cyclic loop, on the described steam-water mixing pipe (1), the lower end connects respectively dry pipe (11), collector pipe (12), described dry pipe (11) connects steam-water separator (7) import by steam guiding tube (10), described collector pipe (12) connects blow-off pipe (13), and described heat exchange basic module is by steam-water mixing pipe (1), heating tube (2), feed pipe (3), dry pipe (11), collector pipe (12), water communicating pipe (4) forms natural convection loop.
3. modified modular heat recovery steam generator as claimed in claim 2, it is characterized in that: described steam-water mixing pipe (1), heating tube (2), feed pipe (3), water communicating pipe (4) are respectively equipped with more than two at least.
4. modified modular heat recovery steam generator as claimed in claim 2 or claim 3, it is characterized in that: described heat exchange basic module is provided with more than at least one group, links to each other by module intercommunication pipe (5), steam guiding tube (10) between described heat exchange basic module is adjacent.
5. modified modular heat recovery steam generator as claimed in claim 4, it is characterized in that: the collector pipe (12) in the described heat exchange basic module connects feed pipe (14), and described steam guiding tube (10) is connected with dry pipe (11), steam-water separator (7) respectively.
6. modified modular heat recovery steam generator as claimed in claim 5 is characterized in that: water level is installed on the described steam-water separator (7) shows that control device (8), pressure show control device and built-in steam-water separation structure.
7. modified modular heat recovery steam generator as claimed in claim 6 is characterized in that: adopt flange to be connected, to be welded to connect or the nipple connection between described steam-water separator (7) and steam guiding tube (10), tapping pipe (9), module intercommunication pipe (5), the gland steam exhauster (6).
8. modified modular heat recovery steam generator as claimed in claim 7 is characterized in that: described heating tube (2) is light pipe, finned tube, extended surface tube, studded tube or heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155546 CN203203000U (en) | 2013-04-01 | 2013-04-01 | Improved modular heat recovery steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155546 CN203203000U (en) | 2013-04-01 | 2013-04-01 | Improved modular heat recovery steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203000U true CN203203000U (en) | 2013-09-18 |
Family
ID=49147105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320155546 Withdrawn - After Issue CN203203000U (en) | 2013-04-01 | 2013-04-01 | Improved modular heat recovery steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162283A (en) * | 2013-04-01 | 2013-06-19 | 上海蕲黄节能环保设备有限公司 | Module-type waste heat vapor generator |
-
2013
- 2013-04-01 CN CN 201320155546 patent/CN203203000U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162283A (en) * | 2013-04-01 | 2013-06-19 | 上海蕲黄节能环保设备有限公司 | Module-type waste heat vapor generator |
| CN103162283B (en) * | 2013-04-01 | 2015-04-15 | 上海蕲黄节能环保设备有限公司 | Module-type waste heat vapor generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |