CN101469859A - Waste heat boiler and steam drum thereof - Google Patents
Waste heat boiler and steam drum thereof Download PDFInfo
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- CN101469859A CN101469859A CNA2007103040890A CN200710304089A CN101469859A CN 101469859 A CN101469859 A CN 101469859A CN A2007103040890 A CNA2007103040890 A CN A2007103040890A CN 200710304089 A CN200710304089 A CN 200710304089A CN 101469859 A CN101469859 A CN 101469859A
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- waste heat
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- heat boiler
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Abstract
A steam drum for waste heat boiler comprises an outer casing, a steam and water separation apparatus and a condensing apparatus, the outer casing is provided with a water inlet, a water outlet, a backflow port and a steam outlet; the steam and water separation apparatus is mounted in the outer housing for separating the steam and water entering into the outer casing from the backflow port, the condensing apparatus is mounted in the outer housing, parts of steam in the outer casing can be condensed into the condensing water, because the steam drum is of seal structure, and the steam drum itself is used for storing the steam, so that the internal environment of the steam drum is good, the generated condensing water has no foreign matter and high quality.
Description
Technical field
The present invention relates to a kind of waste heat boiler drum that is used for, relate in particular to a kind of waste heat boiler that has the drum of built-in condensing unit and have this drum.
Background technology
In the melting field, waste heat boiler is used to reclaim the heat from the high-temperature flue gas of smelting furnace discharge, and the high-temperature flue gas of discharging from smelting furnace enters waste heat boiler, and waste heat boiler is taken away the heat energy of high-temperature flue gas by heat exchange, and is transported to the end user place.As the end user generally be divided into life with, produce with and generating usefulness, be saturation temperature for general production and life steam user vapor (steam) temperature, for the vapor (steam) temperature of generating usefulness then need to be superheated to 400 spend about and quality requirement very high.In practical work process, recirculated water enters in the drum through preliminary treatment, by the heat exchange walls that the drum and the circulatory system enter waste heat boiler, flows back in the drum after recirculated water is heated, and carries out carbonated drink separation by drum again, at last steam is delivered to the user.And the vapor (steam) temperature in the drum is generally saturation temperature, therefore, flow to the generating user, and the steam needs in the drum heat up by the superheater of waste heat boiler once more.In order to be controlled at from the vapor (steam) temperature that superheater comes out about 400 degree, generally to take to superheater or carry in the pipeline of the steam come out from superheater and spray water.But in order to protect superheater, also, very high to the quality requirement that sprays into the water in the superheater for the quality of steam of the usefulness that guarantees to generate electricity, promptly must be pure, pure.The water treatment facilities that the prior art operated by rotary motion is independent carries out preliminary treatment with water, forms pure water, sprays in the superheater then.This just need be provided with independent pure water treatment system, and requires this treatment system reliable operation, and the water quality of processing will be got well, and has increased the complexity of system like this.
Summary of the invention
The present invention is intended to overcome above-mentioned at least one shortcoming of the prior art, and a kind of drum that is used for waste heat boiler that high-quality pure water and reliable operation can be provided is provided.
According to the embodiment of first aspect present invention, a kind of drum that is used for waste heat boiler is proposed, comprise shell, described shell limits an inner chamber and described shell is provided with water inlet, delivery port, refluxing opening and venthole; Water separator, described water separator is installed in the inner chamber of described shell, is used to separate from described refluxing opening enter into steam and water in the described shell; Condensing unit, described condensing unit are installed in the inner chamber of described shell and are used for a part of steam of described inner chamber is condensed into condensed water.
The further embodiment according to the present invention, the drum that is used for waste heat boiler also has following attached technical characterictic:
Described condensing unit comprises the housing that is installed in the described inner chamber and is positioned at the condenser pipe that is used for condensed steam of described housing that described housing is provided with steam inlet and condensation-water drain.
Described condensation-water drain is connected with drip pipe, and described delivery pipe passes and extends described shell.
Described steam inlet place is provided with the dash device, is used for stopping that the water of described inner chamber enters housing.
Described dash device is a porous plate.
Described condenser pipe is coiled in the described housing.
Described condenser pipe layered discs is in described housing.
Be provided with overflow pipe in the described housing, the outlet of described overflow pipe communicates with described inner chamber.
The import of described condenser pipe is suitable for linking to each other with boiler feed pipe by pipeline with outlet.
According to the embodiment of second aspect present invention, a kind of waste heat boiler is provided, described waste heat boiler comprises according to the described drum of first aspect present invention.
The drum that is used for waste heat boiler according to the embodiment of the invention compared with prior art has one of following advantage at least: at first, the drum that is used for waste heat boiler according to the embodiment of the invention, condensing unit is set in drum, part steam in the drum directly can be condensed into condensed water, because drum is a hermetically-sealed construction, itself is used to store steam exactly, therefore, its internal environment is good, free from admixture in the condensed water that produces, the quality height can be directly used in the superheater, make that whole condensing unit structure is simpler, need not other complicated treating apparatus; Secondly, the present invention is provided with the dash device at the place, steam inlet of housing, and the moisture in the steam that enters in the condensing unit is separated, and guarantees to enter the quality of steam in the condensing unit, thereby improves the quality of condensed water; Once more, the condenser pipe layered discs in the condensing unit enters the interior integral body of housing through condensing tube condensation in housing, and this structure condensation effect is better.
The feature and advantage that the present invention adds part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Fig. 1 is that the master according to the drum that is used for waste heat boiler of the embodiment of the invention looks cutaway view.
Fig. 2 is the enlarged drawing of condensing unit among Fig. 1.
Fig. 3 is the cutaway view of A-A among Fig. 1.
Fig. 4 is the side view of B-B direction among Fig. 2.
Fig. 5 is the cutaway view of C-C among Fig. 2.
Fig. 6 is the cutaway view of D-D among Fig. 2.
Fig. 7 is the cutaway view of E-E among Fig. 5.
Fig. 8 is the waste heat boiler that has according to the drum of the embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the present invention below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as limitation of the present invention.
Referring to Fig. 1, the drum that is used for waste heat boiler 100 according to the embodiment of the invention comprises shell 1, water separator 2 and condensing unit 3.
The inside of shell 1 defines a cavity, and shell 1 is provided with water inlet 11, delivery port 12, refluxing opening 13 and venthole 14, and wherein water inlet 11 links to each other with boiler feed pipe, so that supply water (for example desalination deoxygenated water) in drum 100.Delivery port 12 is connected with outlet pipe, be used for recirculated water with drum 100 and be transported to heating surface place on the waste heat boiler body of heater, for example be transported to the heat exchanger at the heating surface place of waste heat boiler body of heater, when body of heater was made of fin panel casing, waste heat boiler body of heater itself was just as heat exchanger.Refluxing opening 13 is connected with return duct, the recirculated water that comes out by delivery port 12 and outlet pipe in the drum 100 with the waste heat boiler body of heater in the high-temperature flue gas heat exchange after, become water and steam mixture, return drum 100 by return duct then.Venthole 14 is connected with steam outlet pipe, is used for the steam in the drum 100 is delivered to the end user by steam outlet pipe.Water inlet 11, delivery port 12, refluxing opening 13 and venthole 14 can be respectively a plurality of, thereby the respective line that links to each other with them also can be many.In addition, delivery port 12 can link to each other with many outlet pipes so that the different heating surfaces on the waste heat boiler body of heater supply water respectively.Equally, venthole 14 also can be a plurality of, connects different steam outlet pipes respectively, and in addition, venthole 14 also can link to each other with many steam outlet pipes, thereby to different user's delivering vapors.For example, a part of steam outlet pipe is connected with the heating user, and the superheater that another steam outlet pipe is sent into the steam in the drum 100 in the waste heat boiler body of heater once more heats up once more, is transported to the generating user then.For the generating user, vapor (steam) temperature need reach about 400 degree, in order to guarantee this demand, need regulate temperature through the steam of superheater, generally be to adopt to superheater or carry to spray into pure water the pipeline of the steam that comes out from superheater and regulate temperature, simultaneously, also can increase quantity of steam.But, can not contain impurity for entering superheater or carrying the pure water the pipeline of the steam that comes out from superheater to require purity very high.
Condensing unit 3 also is arranged in the shell 1, and condensing unit 3 can condense into condensed water with a part of steam in the shell 1.These condensed waters can directly transfer out condensing unit 3 and shell 1 by pipeline, can spray into the superheater in the waste heat boiler body of heater then or carry the pipeline of the steam that comes out from superheater, the temperature that is used for steam regulation, thereby satisfied particular requirement to vapor (steam) temperature.In the routine techniques, the pure water of steam regulation temperature needs specialized apparatus to provide, and for having relatively high expectations of these equipment, guarantee pure water after these device processes impurity that undopes, and it is high that purity is wanted.And the present invention is arranged on condensing unit 3 in the shell 1, because the inner chamber environment of shell 1 itself is exactly to store use in order to satisfy steam, therefore, and the water of condensation in the inner chamber of shell 1, purity is higher, and the needs of superheater can be fully satisfied in better quality.And the structure of condensing unit can be simpler, and structure that need not be complicated also need not specially be provided with hermetically-sealed construction for condensing unit 3.
The present invention is owing to be arranged on condensing unit 3 in the shell 1, and therefore, its structure is compact more simple, and the purity of condensed water is higher, can fully satisfy the needs that steam is regulated.
Referring to Fig. 2 and Fig. 3, in the above embodiment of the present invention, condensing unit 3 comprises housing 31 that is installed in the shell 1 and the condenser pipe 32 that is positioned at housing 31, and housing 31 is provided with steam inlet 311, and flowing in the condenser pipe 32 has cooling fluid.Housing 31 is fixed on the inner surface of shell 1, thereby forms a chamber.The side wall upper part of housing 31 is offered described steam inlet 311, and the part steam in the shell 1 enters in the housing 31 by steam inlet 311.Condenser pipe 32 in the housing 31 can condense the steam that enters in the housing 31, thereby forms condensed water.The condensed water that condenses into falls into the intracavity bottom of housing 31, and the cross section of housing 31 bottoms becomes V-shape, is beneficial to the collection and the storage of condensed water.
Referring to Fig. 2, Fig. 3 and Fig. 4, in the foregoing description that the present invention provides, the bottom of housing 31 is communicated with drip pipe 33, and delivery pipe 33 passes described shell 1 and communicates with exterior line.Delivery pipe 33 is by exterior line and superheater or carry the pipeline of the steam that comes out from superheater to be connected, and as required condensed water is sprayed into superheater or carries the pipeline of the steam that comes out from superheater.
Referring to Fig. 2, in the foregoing description that the present invention provides, described steam inlet 311 places are provided with dash device 312.In this embodiment, dash device 312 is made up of two-layer porous plate, is contained in steam inlet 311 places by screw fastener Guan County.When vapor stream during through steam inlet 311 and since porous plate stop that its flow direction changes, thereby make falling in the steam under water, realize separating of steam and water, guaranteeing to enter in the housing 31 all is steam, improves the quality of condensed water.Certainly, the dash device here also can be other structure, and barrier for example is as long as can realize that separating of steam and water is just passable.
Referring to Fig. 5, Fig. 6 and Fig. 7, in the foregoing description that the present invention provides, condenser pipe 32 is coiled in the described housing 31, and is coiled into sandwich construction, distributes according to layer structure.Enter the steam in the described housing 31, from layered discs around condenser pipe 32 pass, like this, help condensing of steam, improve the speed of condensing.The inlet 321 of condenser pipe 32 and liquid outlet 322 pass described shell 1, are suitable for being connected with the liquid coolant sources (not shown).Here said cooling source can be the water source that supplies water in drum 100, also can be other cooling liquids.Through heating, the cooling water after coming out can be used as hot water and uses cooling water, also can carry out heat exchange, enters once more in the condenser pipe 32 in drum 100.
Referring to Fig. 2, Fig. 3 and Fig. 4, in the above embodiment of the present invention, be provided with overflow pipe 34 in the housing 31, the outlet of overflow pipe 34 communicates with the inner chamber of shell 1.After the condensed water of condensation in the housing 31 reached certain depth, unnecessary condensed water was mixed by bottom and the recirculated water that overflow pipe 34 flows into shell 1, is utilized once more.Like this, can guarantee that the condensed water in the housing 31 remains on certain depth, protect the normal operation of whole condensing unit.
Below with reference to the waste heat boiler of Fig. 8 description according to the embodiment of the invention.As shown in Figure 8, waste heat boiler according to the present invention comprises drum 100.The water inlet pipe 11a of the circulatory system of waste heat boiler, outlet pipe 12a, return duct 13a and steam outlet pipe 14a link to each other with water inlet 11, delivery port 12, refluxing opening 13 and venthole 14 on the drum 100 respectively, can be provided with circulating pump 4 among wherein a part of outlet pipe 12a, thereby the circulation of waste heat boiler is the mixing circulation of Natural Circulation and forced circulation combination.
As shown in Figure 8, water supplies in the drum 100 through water inlet pipe 11a, be transported to the heating surface place of waste heat boiler body of heater by outlet pipe 12a then and the high-temperature flue gas in the body of heater carries out heat exchange, thereby become the mixture of steam and water, the mixture of steam and water turns back in the drum 100 by return duct 13a, separate by the water separator 2 in the drum 100, water is fallen the bottom of drum 100, and steam is positioned at the top of drum 100.A part of steam in the drum 100 enter in the condensing unit 3 by dash device 312, and by the condensation of condenser pipe 32, steam is condensed into condensed water in condensing unit 3, condenser pipe 32 can with the boiler feed pipe of water supply to drum 100 in.Another part steam in the drum 100 is transported in the superheater that is arranged in the waste heat boiler body of heater by steam outlet pipe 14a and heats up, and the steam after will heating up through superheater by pipeline then is transported to for example between generator car.In order to regulate the temperature that is transported to the steam between generator car, condensed water in the condensing unit 3 is discharged by delivery pipe 33, spray into superheater then or carry in the pipeline of the steam that comes out from superheater, thereby will be desired temperature between generator car through the adjustment of the steam of intensification.Because condensed water produces in drum 100, so the quality height of water, and is simple in structure, do not need to be provided with independent water treatment system.
Other formations according to waste heat boiler of the present invention can be same as the prior art, for simplicity, gives unnecessary details no longer in detail here.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change that scope of the present invention is limited by claims and equivalent thereof to these embodiment.
Claims (10)
1, a kind of drum that is used for waste heat boiler is characterized in that, comprising:
Shell, described shell limit an inner chamber and described shell is provided with water inlet, delivery port, refluxing opening and venthole;
Water separator, described water separator is installed in the inner chamber of described shell, is used to separate from described refluxing opening enter into steam and water in the described shell;
Condensing unit, described condensing unit are installed in the inner chamber of described shell and are used for a part of steam of described inner chamber is condensed into condensed water.
2, the drum that is used for waste heat boiler as claimed in claim 1, it is characterized in that, described condensing unit comprises the housing that is installed in the described inner chamber and is positioned at the condenser pipe that is used for condensed steam of described housing that described housing is provided with steam inlet and condensation-water drain.
3, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, described condensation-water drain is connected with drip pipe, and described delivery pipe passes and extends described shell.
4, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, described steam inlet place is provided with the dash device, is used for stopping that the water of described inner chamber enters housing.
5, the drum that is used for waste heat boiler as claimed in claim 4 is characterized in that, described dash device is a porous plate.
6, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, described condenser pipe is coiled in the described housing.
7, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, described condenser pipe layered discs is in described housing.
8, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, is provided with overflow pipe in the described housing, and the outlet of described overflow pipe communicates with described inner chamber.
9, the drum that is used for waste heat boiler as claimed in claim 2 is characterized in that, the import of described condenser pipe is suitable for linking to each other with boiler feed pipe by pipeline with outlet.
10, a kind of waste heat boiler is characterized in that, described waste heat boiler comprises as each described drum among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710304089A CN100595484C (en) | 2007-12-25 | 2007-12-25 | Waste-heat boiler and steam drum thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710304089A CN100595484C (en) | 2007-12-25 | 2007-12-25 | Waste-heat boiler and steam drum thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101469859A true CN101469859A (en) | 2009-07-01 |
| CN100595484C CN100595484C (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710304089A Active CN100595484C (en) | 2007-12-25 | 2007-12-25 | Waste-heat boiler and steam drum thereof |
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| CN (1) | CN100595484C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913216A (en) * | 2018-08-06 | 2018-11-30 | 唐山科源环保技术装备有限公司 | The method for controlling the self-produced vapor superpressure discharge of gas generator |
| WO2023071418A1 (en) * | 2021-10-28 | 2023-05-04 | 中冶南方工程技术有限公司 | Vaporization cooling system and method with control over high-loop enhanced steam-water separation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB329745A (en) * | 1929-03-16 | 1930-05-29 | Superheater Co Ltd | An improved method of and apparatus for desuperheating superheated steam |
-
2007
- 2007-12-25 CN CN200710304089A patent/CN100595484C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913216A (en) * | 2018-08-06 | 2018-11-30 | 唐山科源环保技术装备有限公司 | The method for controlling the self-produced vapor superpressure discharge of gas generator |
| CN108913216B (en) * | 2018-08-06 | 2023-06-09 | 唐山科源环保技术装备有限公司 | Method for controlling overpressure discharge of self-produced steam of gas producer |
| WO2023071418A1 (en) * | 2021-10-28 | 2023-05-04 | 中冶南方工程技术有限公司 | Vaporization cooling system and method with control over high-loop enhanced steam-water separation |
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| Publication number | Publication date |
|---|---|
| CN100595484C (en) | 2010-03-24 |
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