CN215001529U - Heat preservation structure of boiler steam header - Google Patents
Heat preservation structure of boiler steam header Download PDFInfo
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- CN215001529U CN215001529U CN202120895762.8U CN202120895762U CN215001529U CN 215001529 U CN215001529 U CN 215001529U CN 202120895762 U CN202120895762 U CN 202120895762U CN 215001529 U CN215001529 U CN 215001529U
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Abstract
The utility model discloses a heat insulation structure of a boiler steam header, which comprises a supporting component and a heat insulation component, wherein the supporting component is arranged on a connecting pipe and comprises a connecting fastener and a supporting piece arranged on the connecting fastener; the heat insulation assembly is coated on the outer side of the support assembly and comprises a heat insulation steel plate and a heat insulation layer, and the heat insulation layer is attached to one side, away from the support piece, of the heat insulation steel plate; the sealing cover structure arranged outside the steam header can prevent the air leakage and ash leakage of the hearth and protect the working environment; on the other hand, the heat-insulating layer can be used as a carrier for laying the heat-insulating layer, so that the heat-insulating laying effect is improved, the heat dissipation loss of the boiler is reduced, and the safety and the economy of the operation of the boiler are improved.
Description
Technical Field
The utility model relates to a power generation boiler equipment technical field especially relates to a insulation construction of boiler steam header.
Background
In power plants, in order to improve boiler efficiency, drum boilers are gradually developed into tube boilers to increase heat transfer areas. The boiler water flows into the lower box body from the boiler barrel through the downcomer and is distributed to the tube bundles by the box body, and the water in the tube bundles continuously absorbs heat energy, is collected in the upper box body and then flows back into the boiler barrel. We refer to the upper and lower tanks as headers or headers. The header (also called header) is an important component of the boiler and is divided into an upper header and a lower header.
The heat transfer area of the boiler is increased by the plurality of tube bundles, but the heat dissipation area of the header is also increased, so that heat energy loss is caused by much heat dissipation, and the energy conversion efficiency is reduced. Thus requiring insulation of the boiler or header. The heat preservation performance of the boiler directly affects the heat efficiency of the boiler, the loss of coal, the service life of the whole boiler and the protection of the working environment. The steam headers of the tower furnace are arranged around the furnace wall in different elevations in a dispersed manner, which brings inconvenience to heat preservation installation, and therefore, how to improve the sealing structure of the steam header of the boiler is extremely important.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the above problems existing in the heat insulation structure of the existing boiler steam header, the utility model discloses a steam header is provided.
Therefore, the to-be-solved technical problem of the utility model is to provide a heat preservation structure of boiler steam collection case, its aim at is through the carrier that lays as the heat preservation at collection case outside design sealed cowling to ensure the thermal insulation performance of collection case department.
In order to solve the technical problem, the utility model provides a following technical scheme: a heat insulation structure of a boiler steam header comprises a support component and a heat insulation component, wherein the support component is arranged on a connecting pipe and comprises a connecting fastener and a support piece arranged on the connecting fastener; and the heat insulation assembly is coated on the outer side of the supporting assembly and comprises a heat insulation steel plate and a heat insulation layer, and the heat insulation layer is attached to one side, away from the supporting piece, of the heat insulation steel plate.
As a preferred scheme of insulation construction of boiler steam header, wherein: the connecting fastener comprises a first pipe clamp, a second pipe clamp and a connecting bolt, and the connecting bolt is symmetrically connected to two ends of the first pipe clamp and the second pipe clamp.
As a preferred scheme of insulation construction of boiler steam header, wherein: the first pipe clamp and the second pipe clamp are identical in structure and are in a semicircular ring shape, connecting lugs are symmetrically arranged at two ends of the first pipe clamp and the second pipe clamp, and through holes are formed in the connecting lugs; and the connecting bolt respectively penetrates through the through holes in the first pipe clamp and the second pipe clamp.
As a preferred scheme of insulation construction of boiler steam header, wherein: the two supporting pieces comprise a profile bending plate and a square tube, and the free end of the profile long side of the profile bending plate is connected to the side wall of the top of the first pipe clamp; the outside lateral wall of square pipe connect in on the top lateral wall of first pipe clamp.
As a preferred scheme of insulation construction of boiler steam header, wherein: the support piece further comprises a profile connecting plate, the profile short side of the profile bent plate can be supported in the profile inner cavity of the profile connecting plate, and the profile outer side wall of the profile connecting plate can be supported in the square tube.
As a preferred scheme of insulation construction of boiler steam header, wherein: the inner cavity width of square pipe is greater than the lateral wall width of type connecting plate.
As a preferred scheme of insulation construction of boiler steam header, wherein: and a gasket is clamped between the short side of the profile bent plate and the inner cavity of the profile connecting plate.
As a preferred scheme of insulation construction of boiler steam header, wherein: the type bent plate and the square pipe with the connecting fasteners are connected to different connecting pipes, and the type bent plate and the square pipe are distributed at intervals.
As a preferred scheme of insulation construction of boiler steam header, wherein: the heat-insulating steel plate is connected with the square pipe and the profile connecting plate through heat-insulating grab nails or self-locking pressing plates.
As a preferred scheme of insulation construction of boiler steam header, wherein: the heat-insulating layer is provided with at least two layers, wherein the inner layer is made of an aluminum silicate material, and the outer layer is made of a high-temperature glass wool material.
The utility model has the advantages that:
the sealing cover structure arranged outside the steam header can prevent the air leakage and ash leakage of the hearth and protect the working environment; on the other hand, the heat-insulating layer can be used as a carrier for laying the heat-insulating layer, so that the heat-insulating laying effect is improved, the heat dissipation loss of the boiler is reduced, and the safety and the economy of the operation of the boiler are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is the utility model discloses boiler steam header's insulation construction's whole application connection structure sketch map.
Fig. 2 is the schematic diagram of the explosion structure of the heat insulation structure of the boiler steam header of the present invention.
Fig. 3 is the schematic view of the connection fastener of the heat insulation structure of the boiler steam header of the present invention.
Fig. 4 is the utility model discloses boiler steam header's insulation construction's connection fastener and square union coupling structure sketch map.
Fig. 5 is the schematic view of the connection fastener and the L-shaped bent plate connection structure of the insulation structure of the boiler steam header of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 3, for the first embodiment of the present invention, an insulation structure of a boiler steam header is provided, which comprises a supporting component 100 and an insulation component 200. The supporting component 100 is connected to the connecting pipe M outside the header, and a plurality of supporting parts are matched to form an installation frame of the heat preservation component 200, and the installation frame is used for installing and supporting the heat preservation component 200; and the insulation assembly 200 is used for insulation of the boiler header.
Specifically, the supporting assembly 100 is disposed on the connecting pipe M, and includes a connecting fastener 101 and a supporting member 102 disposed on the connecting fastener 101; the supporting member 100 is connected to the outside of the connecting pipe M by a connecting fastener 101, the connecting fastener 101 is a detachable connecting structure for connecting the supporting member 102 and the connecting pipe M, and the supporting member 102 is used for supporting the heat insulating member 200.
The heat insulation assembly 200, which is wrapped on the outer side of the support assembly 100, includes a heat insulation steel plate 201 and a heat insulation layer 202, and the heat insulation layer 202 is attached to one side of the heat insulation steel plate 201 away from the support member 102. In the heat insulation assembly 200, the heat insulation steel plate 201 is laid on one side of the support member 102 far away from the connecting pipe M, so that the boiler header and the connecting pipe M are coated in the heat insulation assembly, the heat insulation is provided, the heat insulation layer also has the function of supporting the heat insulation layer, and the heat insulation layer 202 is laid on the outer side wall of the heat insulation steel plate 201.
Further, the heat insulation layer 202 has at least two layers, the inner layer is made of aluminum silicate material, and the outer layer is made of high-temperature glass wool material.
Example 2
Referring to fig. 2 to 5, a second embodiment of the present invention is a specific structural description of the supporting component 100, which is different from the first embodiment: the connection fastener 101 includes a first pipe clamp 101a, a second pipe clamp 101b, and a connection bolt 101c, and the connection bolt 101c is symmetrically connected to both ends of the first pipe clamp 101a and the second pipe clamp 101 b.
The first pipe clamp 101a and the second pipe clamp 101b are identical in structure and are in a semicircular ring shape, two ends of each pipe clamp are symmetrically provided with connecting lugs C, and through holes C1 are formed in the connecting lugs C; the connecting bolts 101C pass through the through holes C1 in the first pipe clamp 101a and the second pipe clamp 101b, respectively.
Compared with the embodiment 1, further, the connecting fastener 101 is of a pipe clamp type structure and at least comprises a first pipe clamp 101a, a second pipe clamp 101b and a connecting bolt 101C, the first pipe clamp 101a and the second pipe clamp 101b are clamped on the circular outer side wall of the connecting pipe M, the connecting bolt 101C is used for connecting the first pipe clamp 101a and the second pipe clamp 101b into a whole, further, the first pipe clamp 101a and the second pipe clamp 101b in the embodiment are identical in structure, the two ends of the first pipe clamp 101a and the second pipe clamp 101b are symmetrically provided with connecting lugs C, and the connecting bolt 101C penetrates through the through hole C1 to realize connection of the connecting bolt and the connecting nut.
The supporting members 102 are of two types, and comprise an L-shaped bent plate 102a and a square tube 102b, wherein the free end of the L-shaped long side of the L-shaped bent plate 102a is connected to the top side wall of the first pipe clamp 101 a; the outer side wall of the square pipe 102b is connected to the top side wall of the first pipe clamp 101 a.
The support member 102 further comprises a U-shaped connecting plate 102c, the L-shaped short side of the L-shaped bent plate 102a can be supported in the U-shaped inner cavity of the U-shaped connecting plate 102c, and the U-shaped outer side wall of the U-shaped connecting plate 102c can be supported in the square tube 102 b.
The inner cavity width of the square tube 102b is larger than the outer side wall width of the U-shaped connecting plate 102 c.
A gasket D is also clamped between the L-shaped short side of the L-shaped bent plate 102a and the U-shaped inner cavity of the U-shaped connecting plate 102 c.
Further, in this embodiment, the L-shaped bent plate 102a and the square tube 102b of the supporting member 102 are two supporting members, and are respectively used for supporting the U-shaped connecting plate 102c, specifically, the L-shaped bent plate 102a and the square tube 102b are both connected to the sidewall of the first pipe clamp 101a, so that they can be connected to the outer sidewall of the connecting pipe M through the connecting fastener 101, and the top of the L-shaped short side of the L-shaped bent plate 102a is supported in the sidewall of the U-shaped inner cavity of the U-shaped connecting plate 102c, and the top of the outer sidewall of the U-shaped connecting plate 102c abuts against the top of the inner cavity of the square tube 102b, so as to maintain the fixing of the U-shaped connecting plate 102 c. A gasket D, preferably a ceramic gasket, is further interposed between the top of the L-shaped short side of the L-shaped bent plate 102a and the U-shaped inner cavity of the U-shaped connecting plate 102 c.
The L-shaped bent plate 102a and the square pipe 102b with the connecting fastener 101 are connected to different connecting pipes M, and the L-shaped bent plate 102a and the square pipe 102b are spaced apart.
The heat preservation steel plate 201 is connected with the square pipe 102b and the U-shaped connecting plate 102c through heat preservation grabbing nails or self-locking pressing plates.
Further, in order to form a supporting frame on the outside of the boiler header by having a plurality of connecting pipes M on the boiler header, it is necessary to alternately or alternately install different L-shaped bent plates 102a and square pipes 102b having connecting fasteners 101 on different connecting pipes M to achieve the best installation effect. Preferably, the arrangement distance of the connecting fasteners 101 is about 480mm in actual installation, and one U-shaped connecting plate 102c is sleeved with 3-4 square pipes.
After the connecting fastener 101 and the supporting piece 102 are installed, the heat-insulating steel plate 201 is laid on the outer side walls of the square pipe 102b and the U-shaped connecting plate 102c, and the heat-insulating steel plate 201 and the heat-insulating layer 202 are fixed in a heat-insulating grabbing nail or self-locking pressing plate mode.
The rest of the structure is the same as that of embodiment 1.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a heat preservation structure of boiler steam header which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the supporting component (100) is arranged on the connecting pipe (M) and comprises a connecting fastener (101) and a supporting piece (102) arranged on the connecting fastener (101); and the number of the first and second groups,
the heat insulation assembly (200) is coated on the outer side of the support assembly (100) and comprises a heat insulation steel plate (201) and a heat insulation layer (202), and the heat insulation layer (202) is attached to one side, away from the support piece (102), of the heat insulation steel plate (201).
2. The insulation structure of a steam header of a boiler according to claim 1, wherein: the connecting fastener (101) comprises a first pipe clamp (101a), a second pipe clamp (101b) and a connecting bolt (101c), wherein the connecting bolt (101c) is symmetrically connected to two ends of the first pipe clamp (101a) and the second pipe clamp (101 b).
3. The insulation structure of a steam header of a boiler according to claim 2, wherein: the first pipe clamp (101a) and the second pipe clamp (101b) are identical in structure and are in a semicircular ring shape, connecting lugs (C) are symmetrically arranged at two ends of each pipe clamp, and through holes (C1) are formed in the connecting lugs (C);
the connecting bolt (101C) passes through the through holes (C1) in the first pipe clamp (101a) and the second pipe clamp (101b) respectively.
4. The insulation structure of a steam header for a boiler according to claim 2 or 3, wherein: the supporting pieces (102) are of two types and comprise L-shaped bent plates (102a) and square tubes (102b), and the free ends of the L-shaped long sides of the L-shaped bent plates (102a) are connected to the side wall of the top of the first pipe clamp (101 a);
the outer side wall of the square pipe (102b) is connected to the top side wall of the first pipe clamp (101 a).
5. The insulation structure of a steam header of a boiler according to claim 4, wherein: the support piece (102) further comprises a U-shaped connecting plate (102c), the L-shaped short side of the L-shaped bent plate (102a) can be supported in the U-shaped inner cavity of the U-shaped connecting plate (102c), and the U-shaped outer side wall of the U-shaped connecting plate (102c) can be supported in the square pipe (102 b).
6. The insulation structure of a steam header of a boiler according to claim 5, wherein: the width of the inner cavity of the square pipe (102b) is larger than the width of the outer side wall of the U-shaped connecting plate (102 c).
7. The insulation structure of a steam header for a boiler according to claim 5 or 6, wherein: and a gasket (D) is clamped between the L-shaped short side of the L-shaped bent plate (102a) and the U-shaped inner cavity of the U-shaped connecting plate (102 c).
8. The insulation structure of a steam header for a boiler according to claim 5 or 6, wherein: the L-shaped bent plate (102a) and the square pipe (102b) with the connecting fastener (101) are connected to different connecting pipes (M), and the L-shaped bent plate (102a) and the square pipe (102b) are distributed at intervals.
9. The insulation structure of the boiler steam header according to any one of claims 1 to 3, 5 and 6, wherein: the heat-insulating steel plate (201) is connected with the square pipe (102b) and the U-shaped connecting plate (102c) through heat-insulating grab nails or self-locking pressing plates.
10. The insulation structure of the boiler steam header according to any one of claims 1 to 3, 5 and 6, wherein: the heat-insulating layer (202) is provided with at least two layers, wherein the inner layer is made of an aluminum silicate material, and the outer layer is made of a high-temperature glass wool material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895762.8U CN215001529U (en) | 2021-04-28 | 2021-04-28 | Heat preservation structure of boiler steam header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895762.8U CN215001529U (en) | 2021-04-28 | 2021-04-28 | Heat preservation structure of boiler steam header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215001529U true CN215001529U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120895762.8U Active CN215001529U (en) | 2021-04-28 | 2021-04-28 | Heat preservation structure of boiler steam header |
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|---|---|
| CN (1) | CN215001529U (en) |
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2021
- 2021-04-28 CN CN202120895762.8U patent/CN215001529U/en active Active
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