CN102384464B - Built-in heating device of boiler header - Google Patents
Built-in heating device of boiler header Download PDFInfo
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- CN102384464B CN102384464B CN2010102731234A CN201010273123A CN102384464B CN 102384464 B CN102384464 B CN 102384464B CN 2010102731234 A CN2010102731234 A CN 2010102731234A CN 201010273123 A CN201010273123 A CN 201010273123A CN 102384464 B CN102384464 B CN 102384464B
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Abstract
The invention discloses a built-in heating device of a boiler header, which comprises a pipe seat connector 7 on the header 1 and is characterized in that a connecting pipe 5 is arranged in the pipe seat connector 7 and connected with a built-in pipe 3, a hole 4 is arranged on the built-in pipe 3, and steam enters the built-in pipe 3 from the connecting pipe 5 and then is ejected out of the hole 4. The built-in heating device of the boiler header has functions of stably and quickly starting or heating a boiler and the like.
Description
Technical field
The present invention relates to a kind of built-in heating device of boiler header.
Background technology
As shown in Figure 1, be the heater structural representation of traditional header, high temperature and high pressure steam is sprayed into directly and is mixed with water at low temperature by the pipe seat connector 9 on the import header 1 of boiler water cycle system.This form device, usually because high temperature and high pressure steam does not fully mix with water at low temperature, causes each piping loop medium non-uniform temperature in the boiler water cycle system, and the temperature difference is larger, and it is undesirable that boiler starts effect fast.Because spraying into medium in steam and header, there is the larger temperature difference simultaneously, cause the header pipe joint porch to produce larger thermal stress and crackle occurs.
Summary of the invention
The object of the invention is to provide a kind of built-in heating device of boiler header, solves that boiler starts stably fast or the functions such as radiator.Technical scheme is as follows:
A kind of built-in heating device of boiler header, comprise the pipe seat connector 7 on header 1, it is characterized in that: in described pipe seat connector 7, be provided with the first adapter 5, the first adapters 5 and be connected with built-in pipe 3, built-in pipe 3 is provided with hole 4, and steam is taken over 5 from first and entered 4 ejections from hole after built-in pipe 3.
The direction in hole 4 faces the perforate of header fairlead on header.
On the number of openings in hole 4 and perforate size and header 1, the quantity of fairlead pipe joint 10 and internal diameter are big or small consistent or be associated.
The first adapter 5 and second is to be threaded between taking over 6, and second takes over 6 is connected with pipe seat connector 7 on header by inner sleeve pipe joint 8.The first adapter 5 and second is threaded between taking over 6, makes installation and maintenance quite convenient.First takes over the 5 and second adapter 6 also can be integrated.The second adapter 6 and inner sleeve pipe joint 8 also can be integrated.
The header pipe joint that on the second adapter 6, inner sleeve pipe joint 8 and header, pipe seat connector 7 can be integrated, be cast member, and an end is threaded, and be connected with the first adapter 5.
The present invention will play fast, evenly the pipe of intensification function is built in the boiler inlet header, on this pipe with the hole that faces header fairlead perforate direction, by the inner sleeve structure that is threaded connection, external high temperature and high pressure steam is introduced in built-in pipe, with water at low temperature in the import header, fully mix, the part high temperature and high pressure steam flows through the hole that faces header fairlead direction and directly the stove water in header fairlead system is heated, each piping loop medium temperature in water circulation system is rapidly heated, finally reach the boiler needed parameter such as startup or radiator rapidly.The present invention also has following advantage:
1. the pipe joint that sprays into high temperature and high pressure steam adopts the sleeve-type connector form with inner sleeve, avoids the header inside and outside wall to form the larger temperature difference, effectively reduces the thermal stress of header, guarantees import header security of operation;
2. guarantee that adjacent stove heating system is safe and reliable, the cycle in service life is long;
3. built-in heating device of boiler header adopts the override formats be threaded, and it is succinctly convenient to install;
4. heating pipe built-in is determined corresponding perforate according to the layout of import header fairlead joint, can be by designing requirement effectively by each loop heating surface of the high temperature and high pressure steam Quick uniform guide water circulatory system, effectively reach boiler and start fast effect, certain economic benefit is arranged;
5. built-in heating device of boiler header is assembling and is dispatching from the factory in manufacturing firm together with the import header, can be not improper because transporting, the factor such as installation and heat treatment is out of shape.
The accompanying drawing explanation
Fig. 1 is traditional header heater structural representation;
Fig. 2 header heater of the present invention structural representation;
Fig. 3 heater detail drawing;
Fig. 4 schematic perspective view of the present invention
Description of reference numerals: 1-header; 2-cushion block; 3-built-in pipe; 4-hole (direction of perforate faces the perforate of fairlead on header); 5-take over; 6-take over; 7-pipe seat connector; 8-inner sleeve pipe joint; 9-traditional heating device steam inlet tube pipe seat connector; 10-header fairlead pipe joint.
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments, but the present invention is not limited to following embodiment.
As shown in Figure 2 and Figure 3, the built-in pipe 3 with porose 4 is built in boiler inlet header 1.On built-in pipe 3 on the number of openings in hole 4 and perforate size and header 1 quantity of fairlead pipe joint 10 and internal diameter big or small consistent or be associated; Be that the number of openings in hole 4 is associated with the quantity of fairlead pipe joint 10 or consistent, as, 1 corresponding 2 pipe joint in hole, or 2 corresponding 1 pipe joints in hole, preferably, 1 corresponding 1 pipe joint in hole; The perforate in hole 4 size is associated with the internal diameter of pipe joint size or is consistent, as the perforate size diameter in hole 4, is 2 times, 1.5 times, 1 times, 0.5 times of internal diameter of pipe joint etc.The direction X in hole 4 °, Y ° and Z ° (implication of X °, Y °, Z ° representative is shown in Fig. 2) also there are certain requirements, to face exactly the perforate of header fairlead on header, preferably, the center line in hole 4 is by the projected centre point of fairlead center line on the header inwall, see accompanying drawing 2, be conducive to like this part steam and can add the turbulivity in bassoon than slight drag, successfully to enter in the fairlead system, accelerate the rate of heat exchange of stove water and steam in the fairlead system.Stove water in header and the stove water in fairlead simultaneously with the process of steam source generation heat and mass, can improve greatly firing rate, shorten the required time of heating.Built-in pipe 3 is fixed on header 1 by lip block 2, and fixing built-in pipe 3 effectively impacts built-in pipe 3 while also having contained the steam admission and the vibration that forms.First takes between the 5 and second adapter 6 is to be threaded, is convenient to install and manufactures.Second takes over 6 weld mutually by pipe seat connector 7 on inner sleeve pipe joint 8 and header, has avoided so the larger temperature difference of header inside and outside wall formation, effectively reduces the thermal stress of header, assurance import header security of operation.It is less than the internal diameter of pipe seat connector 7 internal diameters and header perforate that 6 external diameters are taken in the first adapter 5 and second, gapped between this, and gap is in the 5-50mm left and right, preferred gap is at 10-30mm, the inside is full of stove water, makes between vapours and header the heat buffer zone is arranged, and effectively reduces the thermal stress of header.
As shown in Figure 4, simultaneously, if increase the quantity of steam intake, will there is so more steam to enter header stove water will be heated, and can make heating effect better.
Below only expressed embodiments of the present invention, it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1. built-in heating device of boiler header, comprise the pipe seat connector (7) on header (1), it is characterized in that: on described pipe seat connector (7), be provided with inner sleeve pipe joint (8) and second and take over (6), second takes over (6) one ends is connected with inner sleeve pipe joint (8), the other end and first is taken over (5) and is connected, first takes over (5) connects built-in pipe (3), built-in pipe (3) is provided with hole (4), and (4) spray high-temperature high-pressure medium from hole after the second adapter (6) enters built-in pipe (3); The direction in hole (4) faces the perforate of header fairlead on header; The number of openings in hole (4) and perforate size are consistent with quantity and the internal diameter size of the upper fairlead pipe joint (10) of header (1); It is to be threaded that the second adapter (6) and first is taken between (5); Second takes over (6) is connected with the pipe seat connector (7) on header by inner sleeve pipe joint (8); The external diameter that (5) are taken in the second adapter (6) and first is less than the internal diameter of the internal diameter of pipe seat connector (7) and header perforate, gapped between the internal diameter of the external diameter of the second adapter (6) and the first adapter (5) and the internal diameter of pipe seat connector (7) and header perforate.
2. a kind of built-in heating device of boiler header according to claim 1, it is characterized in that: second takes over the header pipe joint that on (6), inner sleeve pipe joint (8) and header, pipe seat connector (7) is integrated, one end is threaded, and is threaded with the first adapter (5).
3. a kind of built-in heating device of boiler header according to claim 1, it is characterized in that: built-in pipe (3) is fixed on header (1) by lip block (2).
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CN2010102731234A CN102384464B (en) | 2010-09-06 | 2010-09-06 | Built-in heating device of boiler header |
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CN2010102731234A CN102384464B (en) | 2010-09-06 | 2010-09-06 | Built-in heating device of boiler header |
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CN102384464A CN102384464A (en) | 2012-03-21 |
CN102384464B true CN102384464B (en) | 2013-11-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108591999A (en) * | 2018-05-08 | 2018-09-28 | 阜阳安固锅炉压力容器制造有限公司 | a kind of boiler header structure arrangement |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102768077A (en) * | 2012-07-27 | 2012-11-07 | 上海锅炉厂有限公司 | Tube base type temperature measuring point sleeve seat |
CN102994723B (en) * | 2012-12-07 | 2014-05-14 | 上海锅炉厂有限公司 | Novel fan-shaped heater |
Citations (3)
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JP2000154903A (en) * | 1998-11-20 | 2000-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | Natural circulation exhaust heat boiler and reconstructing method thereof |
CN201053749Y (en) * | 2007-04-30 | 2008-04-30 | 华西能源工业股份有限公司 | Biomass fuel boiler |
CN201311221Y (en) * | 2008-11-28 | 2009-09-16 | 大连熵立得传热技术有限公司 | Header type integral heat pipe |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0422292A (en) * | 1990-05-17 | 1992-01-27 | Anritsu Corp | Frequency selection system for single direction radio communication |
JP3509187B2 (en) * | 1994-06-17 | 2004-03-22 | 石川島播磨重工業株式会社 | Header structure |
JPH09222292A (en) * | 1996-02-15 | 1997-08-26 | Mitsubishi Heavy Ind Ltd | Header device |
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2010
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000154903A (en) * | 1998-11-20 | 2000-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | Natural circulation exhaust heat boiler and reconstructing method thereof |
CN201053749Y (en) * | 2007-04-30 | 2008-04-30 | 华西能源工业股份有限公司 | Biomass fuel boiler |
CN201311221Y (en) * | 2008-11-28 | 2009-09-16 | 大连熵立得传热技术有限公司 | Header type integral heat pipe |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108591999A (en) * | 2018-05-08 | 2018-09-28 | 阜阳安固锅炉压力容器制造有限公司 | a kind of boiler header structure arrangement |
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