CN202791985U - Outer drying water bath type steam attemperator - Google Patents
Outer drying water bath type steam attemperator Download PDFInfo
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- CN202791985U CN202791985U CN 201220484831 CN201220484831U CN202791985U CN 202791985 U CN202791985 U CN 202791985U CN 201220484831 CN201220484831 CN 201220484831 CN 201220484831 U CN201220484831 U CN 201220484831U CN 202791985 U CN202791985 U CN 202791985U
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- bath type
- heat exchanger
- water
- lowering device
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Abstract
The utility model relates to an outer drying water bath type steam attemperator which comprises a water bath type steam attemperator, a make-up pump and a steam drying heat exchanger, wherein the lower part of a cylinder of the water bath type steam attemperator is a liquid phase space, the upper part of the cylinder body of the water bath type steam attemperator is a vapor phase space, the upper wall of the vapor phase space is provided with a steam exhaust valve, the liquid phase space is internally provided with a flow divider, an outlet of the make-up pump is connected with the bottom of the water bath type steam attemperator so as to supply water for the water bath type steam attemperator, a saturated steam inlet of the steam drying heat exchanger is connected with the steam exhaust valve of the water bath type steam attemperator, a saturated steam outlet of the steam drying heat exchanger is connected with a user pipeline, a superheated steam inlet of the steam drying heat exchanger is connected with a steam source pipeline of superheated steam, and a superheated steam outlet of the steam drying heat exchanger is connected with the flow divider of the water bath type steam attemperator. When the outer drying water bath type steam attemperator operates, wet saturated steam flowing out from the steam exhaust valve is indirectly heated by the superheated steam in the steam drying heat exchanger to become dry saturated steam so as to be provided for users for use.
Description
Technical field
The utility model relates to a kind of water-bath type steam temp lowering device, particularly a kind of outer dry water-bath type steam temp lowering device.
Background technology
During indirect heat exchange, the saturated vapor heat exchange efficiency is higher than superheated steam, and the degree of superheat is higher, and heat exchange efficiency is lower.When only having the superheated steam source, then need superheated steam is carried out desuperheat, reduce the degree of superheat.General steam temp lowering device, such as atomizing attemperator, non-contact attemperator etc., the degree of superheat is lower behind the desuperheat, and water entrained by steam is more serious, and steam quality is poorer.If vapor (steam) temperature need to be down to required saturation temperature corresponding to steam pressure of using, then usually to use the water-bath type steam temp lowering device, be called again the water-bath type saturated steam generator.
The cylindrical shell bottom of water-bath type steam temp lowering device is liquid Space, cylindrical shell top is vapor phase space, the roof of vapor phase space is provided with exhaust steam valve, be provided with current divider in the liquid Space, overheated steam pipe stretches in the water-bath type steam temp lowering device and is connected with current divider, the sidewall of water-bath type steam temp lowering device is equipped with water level and takes into account overflow valve, pressure probe is installed on the roof, the moisturizing delivery side of pump links to each other with the bottom of water-bath type steam temp lowering device, and replenishes an amount of condensed water according to the water level control signal of water-level gauge in the water-bath type steam temp lowering device.Pressure gauge and pressure-control valve are installed on the overheated steam pipe, and the saturated vapor pressure force signal that pressure probe records offers pressure controller, the aperture of pressure controller controlled pressure control valve.Superheated steam flows out from current divider, becomes wet saturated steam through the water heat exchange cooling with liquid Space and upwards overflows, from the exhaust steam valve outflow of roof.The weak point of this system is: the moisture content in the saturated vapor is higher.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of outer dry water-bath type steam temp lowering device is provided, and can reduce the moisture content in the saturated vapor.
For solving above technical problem, a kind of outer dry water-bath type steam temp lowering device of the present utility model, comprise the water-bath type steam temp lowering device, small pump and steam drying heat exchanger, the cylindrical shell bottom of described water-bath type steam temp lowering device is liquid Space, cylindrical shell top is vapor phase space, the roof of described vapor phase space is provided with exhaust steam valve, be provided with current divider in the described liquid Space, overheated steam pipe stretches in the described water-bath type steam temp lowering device and is connected with described current divider, the moisturizing in the water-bath type steam temp lowering device that links to each other with the bottom of described water-bath type steam temp lowering device of described moisturizing delivery side of pump, the saturated vapor import of described steam drying heat exchanger is connected with the exhaust steam valve of described water-bath type steam temp lowering device, the saturated vapor outlet of described steam drying heat exchanger is connected with user pipe, the superheated steam import of described steam drying heat exchanger is connected with the steam source pipe road of superheated steam, and the superheated steam outlet of described steam drying heat exchanger is connected with the current divider of described water-bath type steam temp lowering device.
With respect to prior art, the utility model has been obtained following beneficial effect: superheated steam flows out from current divider, becoming wet saturated steam through the water heat exchange with liquid Space upwards overflows, this moment, the moisture content of saturated vapor was higher, after the exhaust steam valve outflow of roof, enter the steam drying heat exchanger, superheated steam carries out indirect to wet saturated steam in the steam drying heat exchanger, and the aqueous water in the wet saturated steam is evaporated to steam, becomes dry saturated steam and supplies with user's use.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, accompanying drawing only provides reference and explanation usefulness, and is non-in order to limit the utility model.
Fig. 1 is the structural representation of the outer dry water-bath type steam temp lowering device of the utility model.
Among the figure: 1. superheated steam; 2. Pressure gauge; 3. front stop valve; 4. pressure-control valve; 4a. pressure controller; 5. rear stop valve; 6. water-bath type steam temp lowering device; 6a. pressure probe; 6b. exhaust steam valve; 6c. overflow valve; 6d. exhaust-valve; 6e. current divider; 7. water-level gauge; 8. small pump; 9. steam drying heat exchanger; 9a. saturated vapor import; 9a '. the saturated vapor outlet; 9b. superheated steam import; 9b '. the superheated steam outlet.
The specific embodiment
As shown in Figure 1, outer dry water-bath type steam temp lowering device of the present utility model comprises overheated steam pipe, water-bath type steam temp lowering device 6, small pump 8 and steam drying heat exchanger 9.Pressure gauge 2, front stop valve 3, pressure-control valve 4 and rear stop valve 5 are installed on the overheated steam pipe successively.
The cylindrical shell bottom of water-bath type steam temp lowering device 6 is liquid Space, cylindrical shell top is vapor phase space, the roof of vapor phase space is provided with exhaust steam valve 6b, be provided with current divider 6e in the liquid Space, the sidewall of water-bath type steam temp lowering device 6 is equipped with water-level gauge 7 and overflow valve 6c, and overflow valve 6c can adopt Free Float Type Steam Trap.Pressure probe 6a is installed on the roof of water-bath type steam temp lowering device 6, and the outlet of small pump 8 links to each other with the bottom of water-bath type steam temp lowering device 6 and replenishes an amount of condensed water, demineralized water or demineralized water according to the water level control signal of water-level gauge 7 in the water-bath type steam temp lowering device.The saturated vapor pressure force signal that pressure probe 6a records offers pressure controller 4a, the aperture of pressure controller 4a controlled pressure control valve 4.The cylinder body bottom of water-bath type steam temp lowering device 6 is equipped with exhaust-valve 6d, and the outlet of exhaust-valve 6d and overflow valve 6c all accesses delivery pipe.
The saturated vapor import 9a of steam drying heat exchanger 9 is connected with the exhaust steam valve 6b of water-bath type steam temp lowering device 6, the saturated vapor outlet 9a ' of steam drying heat exchanger 9 is connected with user pipe, the superheated steam import 9b of steam drying heat exchanger 9 is connected with the outlet of front stop valve 3, the superheated steam outlet 9b ' of steam drying heat exchanger 9 is connected with the import of pressure-control valve 4, is connected with the current divider 6e of water-bath type steam temp lowering device 6 by rear stop valve 5 again.
In the work, superheated steam 1 enters steam drying heat exchanger 9 through front stop valve 3 successively, in steam drying heat exchanger 9, wet saturated steam is carried out indirect and make it to become dry saturated steam, then superheated steam enters current divider 6e by pressure-control valve 4 and rear stop valve 5, from current divider 6e steam out through with the water heat exchange of liquid Space cooling after become wet saturated steam and upwards overflow, then flow out from the exhaust steam valve 6b of roof and enter steam drying heat exchanger 9 and be heated to form dry saturated steam.
The above only is the better possible embodiments of the utility model, and is non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (1)
1. outer dry water-bath type steam temp lowering device, comprise water-bath type steam temp lowering device and small pump, the cylindrical shell bottom of described water-bath type steam temp lowering device is liquid Space, cylindrical shell top is vapor phase space, the roof of described vapor phase space is provided with exhaust steam valve, be provided with current divider in the described liquid Space, overheated steam pipe stretches in the described water-bath type steam temp lowering device and is connected with described current divider, the moisturizing in the water-bath type steam temp lowering device that links to each other with the bottom of described water-bath type steam temp lowering device of described moisturizing delivery side of pump, it is characterized in that: also comprise the steam drying heat exchanger, the saturated vapor import of described steam drying heat exchanger is connected with the exhaust steam valve of described water-bath type steam temp lowering device, the saturated vapor outlet of described steam drying heat exchanger is connected with user pipe, the superheated steam import of described steam drying heat exchanger is connected with the steam source pipe road of superheated steam, and the superheated steam outlet of described steam drying heat exchanger is connected with the current divider of described water-bath type steam temp lowering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484831 CN202791985U (en) | 2012-09-21 | 2012-09-21 | Outer drying water bath type steam attemperator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484831 CN202791985U (en) | 2012-09-21 | 2012-09-21 | Outer drying water bath type steam attemperator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791985U true CN202791985U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220484831 Expired - Fee Related CN202791985U (en) | 2012-09-21 | 2012-09-21 | Outer drying water bath type steam attemperator |
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| Country | Link |
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| CN (1) | CN202791985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833262A (en) * | 2015-01-30 | 2015-08-12 | 中国石油化工股份有限公司 | Steam heating system |
| CN106268404A (en) * | 2016-08-29 | 2017-01-04 | 青岛康泰重工机械有限公司 | Steam mixer |
-
2012
- 2012-09-21 CN CN 201220484831 patent/CN202791985U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833262A (en) * | 2015-01-30 | 2015-08-12 | 中国石油化工股份有限公司 | Steam heating system |
| CN104833262B (en) * | 2015-01-30 | 2016-08-31 | 中国石油化工股份有限公司 | A kind of steam-heating system |
| CN106268404A (en) * | 2016-08-29 | 2017-01-04 | 青岛康泰重工机械有限公司 | Steam mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |