CN201621680U - Steam and water distribution header device of coal-fired fluidized bed boiler - Google Patents
Steam and water distribution header device of coal-fired fluidized bed boiler Download PDFInfo
- Publication number
- CN201621680U CN201621680U CN2010201232751U CN201020123275U CN201621680U CN 201621680 U CN201621680 U CN 201621680U CN 2010201232751 U CN2010201232751 U CN 2010201232751U CN 201020123275 U CN201020123275 U CN 201020123275U CN 201621680 U CN201621680 U CN 201621680U
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- header
- collection case
- boiler
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- fluidized bed
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Abstract
The utility model relates to the technical field of boiler equipment, in particular to a steam and water mixture distributing and collecting header device of an original coal-fired fluidized bed boiler, aiming to reduce the hole opening quantity on the shell wall of the boiler barrel, avoid decreasing the strength of the boiler barrel, and enable the heating condition of the heated surface and the flow distribution condition of the working medium to be uniform. The device comprises a header and branches, wherein the header forms a pipe shape; a plurality of branches are uniformly distributed on the outside of the same pipe body in the axial direction of the header, and are communicated with the header; and the outer wall of the header is uniformly provided with pins. A plurality of through holes equal to the inner holes of the branches are processed on the same straight line of the header, one end of the branch, connected with the header, is chamfered for welding, and the branches are made into bend arc shape same with the boiler wall along the outer wall of the boiler, so the utility model can sufficiently absorb heat energy, and also greatly enhance the strength of the integral structure.
Description
Technical field
The utility model relates to the boiler plant technical field, especially relates to the header device that a kind of former coal-fired fluidized bed boiler distributes, compiles steam water interface.
Background technology
The boiler unit is one of thermal power plant three big main frames, and the quick-fried leakage of stove Outer Tube, heated surface corrosion, rotary machine driving, explosion of Coal Pulverizing System, heated surface at the end of boiler scaling loss are to cause casualties, equipment badly damaged main cause.Header has another name called the collection case, is in order to connect case, the box-like structure of heating surface pipe in the water-tube boiler boiler circuit.Except that convection bank generally directly was installed on the drum, other heating surface pipe generally all was to be connected by header, and the pipe that each header connected constitutes a pipe group.In order to connect heating surface pipe, have more pore on the header, also have to check in addition with hand hole and hydrophobic, blowdown pore etc.Water-tube boiler is provided with header, not only can significantly reduce the perforate quantity of drum shell wall, avoid drum intensity too to weaken, but also can make the situation of being heated of heating surface and working medium flow allocation situation more even, help improving the security reliability of boiler operatiopn.
As number of patent application is that one kind of ZL200610049915.7 is fit to the adverse current heat exchanger with collected boxes with small-sized wet steamer adapted, comprise tubular heat exchanger, it is characterized in that also being provided with left and right sides header on the housing of tubular heat exchanger, header is provided with the header blowdown connection, the front end of header is communicated with the housing of heat exchanger body front end, have the water-cooling wall pore on the header, the decline pore, back header connects the hole, the heat exchanger rear end is provided with the collection smoke box, the horizontal center line that the position is higher than tubular heat exchanger that is communicated with of this left and right sides header and housing, and left and right sides header is with the symmetrical installation of tubular heat exchanger longitudinal centre line, and the vertical range at tubular heat exchanger top and header top, the left and right sides is less than or equal to 150 millimeters.
Summary of the invention
The purpose of this utility model is that solution boiler heating surface scaling loss causes casualties, the problem of device damage, in order to reduce the perforate quantity of drum shell wall, avoid drum intensity to weaken, make the situation of being heated and the working medium flow allocation situation of heating surface even, a kind of reasonable in design is provided, adopt cylindric collection case, evenly distribute carton staple with the auxilliary insulation material of establishing at the casing circumference, be in charge of by boiler structure and be provided with curved arc, overall structure is strong, can improve the coal-fired fluidized bed boiler carbonated drink of boiler operatiopn security reliability greatly and distribute the header device.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of coal-fired fluidized bed boiler carbonated drink is distributed the header device, comprise the collection case, be in charge of, it is characterized in that described collection case is a tubulose, be in charge of along even the distribution some in the same body outside that the collection case is axial, be in charge of with the collection case communicate, the collection case outer wall on evenly be provided with pin.On same straight line of collection case, process several and the through hole that divides pipe orifice to equate earlier, and be in charge of with the end body that is connected of collection case on fall into the angle so that weld, make the curved arc shape identical and be in charge of with the boiler wall body along boiler casing, both heat can be fully absorbed, and integrally-built intensity can be strengthened to a great extent again.
As preferably, the axial same outside of body of described collection case is provided with several through holes, and each through hole is in charge of and is connected with single respectively.The collection case is installed in the same direction of body of heater, is in charge of along the curvilinear structures of body of heater and arranges that the spacing of through hole equates.
As preferably, described pin evenly distributes along the excircle of collection case, and the pin on each cross section staggers mutually.Pin is distributed on the tubulose circumference of collection case, running into interface staggers naturally, thisly make the collection case can not weaken himself intensity after the pin in welding at the arrangement mode that staggers on the different cross section, and cast at the scene water insulation material after, guaranteed that overall structure has stability.
As preferably, the described through hole of being in charge of with the external side of collection case tube axial interconnects by welding.Distribute the header device for bigger boiler carbonated drink, generally all weld being in charge of with the collection case at the scene, the through hole of collection case and the end-beveling of being in charge of must be ready in advance.
As preferably, be provided with curved arc in the centre position of being in charge of described being in charge of with collection case welding back.The end of being in charge of behind the curved arc determines its line of cut position to the distance that collects the case center line after the water pressure test, the structure of being in charge of is the curve design of pressing body of heater, and the hydraulic pressure in the collection case is too by the whole system specification requirement.
Effective benefit of the present utility model is: the bulk strength height, integrated cost is low, and is practical.
Therefore, the utility model is that the good coal-fired fluidized bed boiler carbonated drink of a kind of reasonable in design, good stability, technical performance is distributed the header device.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the left TV structure schematic diagram of the utility model Fig. 1.
Fig. 3 is the local structure for amplifying schematic diagram of the utility model Fig. 2.
Fig. 4 is that the B-B of the utility model 1 is to structural representation.
Among the figure: 1. collect case, 2. be in charge of, 3. pin.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of coal-fired fluidized bed boiler carbonated drink of present embodiment is distributed the header device, if a pipe diameter is the collection case 1 of 133mm, wall thickness is 12mm, and seal at collection case two ends, the even distribution seven is in charge of 2 in the axial same body outside of collection case 1, the diameter of being in charge of is 50mm, and the collection case 1 axial same outside of body is provided with the through hole that seven apertures equate with the endoporus of being in charge of 2, and the distance between the through hole is 100mm, referring to Fig. 3, each through hole is in charge of 2 by being welded to connect with one respectively.
Be in charge of 2 with the welding of collection case 1 after, be provided with curved arc in the centre position of being in charge of, the radius of curved arc is 120mm, its line of cut position is determined again to the distance of collection case 1 longitudinal center line in the end of being in charge of behind 2 curved arcs after the water pressure test, as shown in Figure 2.
As shown in Figure 4, evenly be provided with pin 3 on the outer wall of collection case 1, pin 3 is distributed on the tubulose circumference of collection case, 12 pins 3 of weldering on the concentric circles; Pin 3 spacings on the different concentric circles are 30mm, and radially equally stagger at interval, run into to be in charge of 2 and to stagger naturally with collection case interface.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (5)
1. a coal-fired fluidized bed boiler carbonated drink is distributed the header device, comprise collection case (1), be in charge of (2), it is characterized in that described collection case (1) is a tubulose, be in charge of (2) along even the distribution some in the same body outside that collection case (1) is axial, be in charge of (2) and communicate, evenly be provided with pin (3) on the outer wall of collection case (1) with collection case (1).
2. coal-fired fluidized bed boiler carbonated drink according to claim 1 is distributed the header device, it is characterized in that the axial same outside of body of described collection case (1) is provided with several through holes, and each through hole is in charge of (2) respectively and is connected with single.
3. coal-fired fluidized bed boiler carbonated drink according to claim 1 is distributed the header device, it is characterized in that described pin (3) evenly distributes along the excircle of collection case (1), and the pin on each cross section staggers mutually.
4. coal-fired fluidized bed boiler carbonated drink according to claim 2 is distributed the header device, it is characterized in that described being in charge of (2) and the through hole of the external side of collection case (1) tube axial interconnect by welding.
5. coal-fired fluidized bed boiler carbonated drink according to claim 1 is distributed the header device, it is characterized in that described being in charge of (2) and collection case (1) welding back are provided with curved arc in the centre position of being in charge of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201232751U CN201621680U (en) | 2010-03-04 | 2010-03-04 | Steam and water distribution header device of coal-fired fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201232751U CN201621680U (en) | 2010-03-04 | 2010-03-04 | Steam and water distribution header device of coal-fired fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621680U true CN201621680U (en) | 2010-11-03 |
Family
ID=43025135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201232751U Expired - Lifetime CN201621680U (en) | 2010-03-04 | 2010-03-04 | Steam and water distribution header device of coal-fired fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621680U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279550A (en) * | 2013-07-01 | 2015-01-14 | 江苏汇能锅炉有限公司（丹阳锅炉辅机厂有限公司） | Small-opening header for being matched with boiler |
| CN105003903A (en) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | Boiler header of ultrahigh steam parameter unit of more than 650 DEG C |
| CN105066104A (en) * | 2015-08-05 | 2015-11-18 | 上海锅炉厂有限公司 | Boiler header tube base of 620-DEG C steam parameter unit |
-
2010
- 2010-03-04 CN CN2010201232751U patent/CN201621680U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279550A (en) * | 2013-07-01 | 2015-01-14 | 江苏汇能锅炉有限公司（丹阳锅炉辅机厂有限公司） | Small-opening header for being matched with boiler |
| CN104279550B (en) * | 2013-07-01 | 2016-06-01 | 江苏汇能锅炉有限公司 | A kind of cooperation boiler osculum header |
| CN105003903A (en) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | Boiler header of ultrahigh steam parameter unit of more than 650 DEG C |
| CN105066104A (en) * | 2015-08-05 | 2015-11-18 | 上海锅炉厂有限公司 | Boiler header tube base of 620-DEG C steam parameter unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |