CN209054546U

CN209054546U - A kind of boiler high temperature heating surface pipe clamp

Info

Publication number: CN209054546U
Application number: CN201821380524.8U
Authority: CN
Inventors: 吴涛; 程鸿; 胡海舰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-27
Filing date: 2018-08-27
Publication date: 2019-07-02
Anticipated expiration: 2028-08-27

Abstract

The utility model discloses a kind of boiler high temperature heating surface pipe clamps, including the first pipe clamp module and the second pipe clamp module, first pipe clamp module includes two the first fasteners and four the second fasteners being linearly arranged, four the second fasteners are located between two the first fasteners, bolt key is provided between first fastener and the second fastener, the keyway to match with bolt key is provided in the middle part of the second fastener in first pipe clamp module, second pipe clamp module includes five the second fasteners being linearly arranged, the utility model minimizes every screen heating surface tube pipe clamp quantity, reduce tube panel caused by parts damages or Rig up error to fall out hidden danger, pipe clamp is integrally formed to reserve enough swell incremenies, the first pipe clamp module and the second pipe clamp module are customized according to every screen heating surface tube size material, enough swell incremenies are reserved, fixed form is more reliable, it can be avoided With the concentrated wear of pipeline, the deformation of tube panel in operation is adapted to.

Description

A kind of boiler high temperature heating surface pipe clamp

Technical field

The utility model relates to a kind of pipe clamp, specially a kind of boiler high temperature heating surface pipe clamp.

Background technique

Boiler high temperature heating surface is the important component of boiler, and effect is that the temperature of steam in tube panel is promoted by heat absorption Degree, pressure, high temperature and high pressure steam do work to steam turbine and thermal energy are converted into mechanical energy.

In 350MW the and 600MW Boilers of Supercritical Parameters upper furnace and horizontal flue of current Harbin Boiler Plant production Tube panel phenomenon of falling out is more after the pendant superheater of arrangement, finishing superheater and high temperature reheater longtime running.It analyzes on inspection Existing pipe clamp has the disadvantage in that unreasonable structural design, and mostly and between every heating surface tube pipe clamp is independent to number of components Swell increment is not reserved, and the weak vibrations of pipeline this may result in tube panel tripping or swelling blockage；Processing technology and material selection are not Rationally, fixture intensity and swell increment cannot be met the requirements under boiler operatiopn hot environment, eventually lead to pipe clamp tripping, fracture, pipe On the one hand screen, which is fallen out, be easy to cause local tube panel permanent bending to deform, on the other hand by external flue gas and steam inside in operation The disturbance of medium makes between tube panel or shakes with pipe clamp fixed part to hit, and there are overtemperature and mechanical wear hidden danger, these defects are not Only increase that abrasionproof is explosion-proof and maintenance workload, and brings major hidden danger to safe operation of the boiler.Therefore we, which make this, changes Into proposing a kind of boiler high temperature heating surface pipe clamp.

Utility model content

To solve defect of the existing technology, the utility model provides a kind of boiler high temperature heating surface pipe clamp.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

A kind of boiler high temperature heating surface pipe clamp of the utility model, including the first pipe clamp module and the second pipe clamp module, it is described First pipe clamp module includes two the first fasteners and four the second fasteners being linearly arranged, and four the second fasteners are located at two the Between one fastener, it is provided with bolt key between first fastener and the second fastener, it is two neighboring in the first pipe clamp module It is also equipped with bolt key between second fastener, is provided with and bolt key phase in the middle part of the second fastener in the first pipe clamp module The keyway matched, the second pipe clamp module include five the second fasteners being linearly arranged, adjacent in the second pipe clamp module It is also equipped with bolt key between two the second fasteners, is also equipped in the middle part of the second fastener in the second pipe clamp module and bolt The keyway that key matches.

As a kind of optimal technical scheme of the utility model, first fastener is made of a semicircular cylinder, and described Two fasteners are made of two semicircular cylinders.

As a kind of optimal technical scheme of the utility model, the keyway is located at the junction of two semicircular cylinders.

As a kind of optimal technical scheme of the utility model, in the first pipe clamp module and the second pipe clamp module half Cylinder inner wall is oppositely arranged.

As a kind of optimal technical scheme of the utility model, the first pipe clamp module and the second pipe clamp module are one Body formula structure.

As a kind of optimal technical scheme of the utility model, in the first pipe clamp module and the second pipe clamp module half The cylinder center of circle is respectively positioned on the same side.

As a kind of optimal technical scheme of the utility model, the first pipe clamp module and the second pipe clamp module are by height Nickel heat-resistance stainless steel support.

The beneficial effects of the utility model are:

1, the first pipe clamp module and the second pipe clamp module can clamp external tube wall, can be made by bolt key and keyway The first pipe clamp module and the second pipe clamp module is stronger links together, every screen heating surface tube pipe clamp quantity is down to most It is low, reduce tube panel caused by parts damages or Rig up error and fall out hidden danger, no matter every screen pipe row quantity all can be according to existing Field dimensioned the first pipe clamp module is fixed with second pipe clamp module two parts.

2, pipe clamp is integrally formed reserves enough swell incremenies, customizes the first pipe clamp mould according to every screen heating surface tube size material Block and the second pipe clamp module, have reserved enough swell incremenies, and fixed form is more reliable, can be avoided the concentrated wear with pipeline, Adapt to the deformation of tube panel in operation.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is a kind of structural schematic diagram of boiler high temperature heating surface pipe clamp of the utility model；

Fig. 2 and Fig. 3 is a kind of the first pipe clamp modular structure schematic diagram of boiler high temperature heating surface pipe clamp of the utility model；

Fig. 4 and Fig. 5 is a kind of the second pipe clamp modular structure schematic diagram of boiler high temperature heating surface pipe clamp of the utility model.

In figure: 1, the first pipe clamp module；2, the second pipe clamp module；3, the first fastener；4, the second fastener；5, bolt key；6, Keyway.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4 and Fig. 5, a kind of boiler high temperature heating surface pipe clamp of the utility model, packet The first pipe clamp module 1 and the second pipe clamp module 2 are included, the first pipe clamp module 1 includes two the first fasteners 3 and four being linearly arranged A second fastener 4, four the second fasteners 4 are located between two the first fasteners 3, are provided between the first fastener 3 and the second fastener 4 Bolt key 5, is also equipped with bolt key 5 in the first pipe clamp module 1 between two neighboring second fastener 4, in the first pipe clamp module 1 The middle part of two fasteners 4 is provided with the keyway 6 to match with bolt key 5, and the second pipe clamp module 2 includes linearly be arranged five the Two fasteners 4, are also equipped with bolt key 5 in the second pipe clamp module 2 between two neighboring second fastener 4, in the second pipe clamp module 2 The middle part of two fasteners 4 is also equipped with the keyway 6 to match with bolt key 5, passes through the first pipe clamp module 1 and the second pipe clamp module 2 External tube wall can be clamped, the first pipe clamp module 1 and the second pipe clamp module 2 can be made more by bolt key 5 and keyway 6 It is securely attached to together, every screen heating surface tube pipe clamp quantity be minimized, reducing parts damages or Rig up error causes Tube panel fall out hidden danger, no matter every screen pipe row quantity can all process the first pipe clamp module 1 according to site dimension be managed with second 2 two parts of clip module are fixed, and pipe clamp is integrally formed to reserve enough swell incremenies, fixed according to every screen heating surface tube size material The first pipe clamp module 1 and the second pipe clamp module 2 are made, enough swell incremenies have been reserved, fixed form is more reliable, can be avoided and manages The concentrated wear in road adapts to the deformation of tube panel in operation.

Wherein, the first fastener 3 is made of a semicircular cylinder, and the second fastener 4 is made of two semicircular cylinders, can by semicircular cylinder So that the first pipe clamp module 1 and the accurate face engaging of the second pipe clamp module 2, structure is simple, and engaging precision is high.

Wherein, keyway 6 is located at the junction of two semicircular cylinders, can be with by the junction that keyway 6 is located at two semicircular cylinders Improve the accuracy of keyway 6.

Wherein, the semicircular cylinder inner wall in the first pipe clamp module 1 and the second pipe clamp module 2 is oppositely arranged, by semicircular cylinder The face of wall is arranged, and external tube wall can be clamped.

Wherein, the first pipe clamp module 1 and the second pipe clamp module 2 are an integral structure, and pass through the first of integral structure Its intensity can be improved in pipe clamp module 1 and the second pipe clamp module 2, prolongs its service life.

Wherein, the semicircular cylinder center of circle in the first pipe clamp module 1 and the second pipe clamp module 2 is respectively positioned on the same side, passes through semicircle The cylinder center of circle, which is located at the same side, can make the first pipe clamp module 1 and 2 face of the second pipe clamp module be arranged, to fix tube wall.

Wherein, the first pipe clamp module 1 and the second pipe clamp module 2 are supported by high nickel heat-resistance stainless steel, by using nickelic Heat-resistance stainless steel monoblock cast, intensity, high temperature resistance are more preferable, increase the first pipe clamp module 1 and the second pipe clamp module 2 Service life.

When work, to solve deficiency existing for existing heating surface pipe clamp, pass through the first pipe clamp module 1 and the second pipe clamp module 2 fix tube panel, and the inner wall of semicircular cylinder is cambered surface identical with heating surface tube wall radian, and the adjacent pipe clamp of the same side uses fusible pattern Casting technique is integrally formed, the nickelic stainless refractory steel ZG1Cr25Ni20Si2 of materials'use, each cambered surface two sides be tie point, one Side is the bolt key 5 of protrusion, and side is keyway 6, the first pipe clamp module 1 and the reversed cloth of 2 cambered surface two sides keyway of the second pipe clamp module 6 It sets, the first pipe clamp module 1, which with the second pipe clamp module 2 is directed at keyway 6 from the bolt key 5 of the two sides of tube panel respectively and clamps, when use manages Screen, and plug welding is carried out at two sides keyway 6, the snap-in structure palpus of the first pipe clamp module 1 and the second pipe clamp module 2 composition after welding It can be free to slide on pipe.

Every screen heating surface tube pipe clamp quantity is minimized, reduces tube panel caused by parts damages or Rig up error and falls out Hidden danger, no matter every screen pipe row quantity all can process pipe clamp A according to site dimension is fixed with pipe clamp B two parts, at present The prior art calculates then every group of pipe clamp with every 10 root canal of screen and need at least be made of 11 components, pipe clamp is integrally formed reserve it is enough Swell increment customizes pipe clamp according to every screen heating surface tube size material, has reserved enough swell incremenies, fixed form is more reliable, energy The concentrated wear with pipeline is enough avoided, the deformation of tube panel in operation is adapted to, pipe clamp uses high nickel heat-resistance stainless steel monoblock cast, pipe Intensity, the high temperature resistance of folder are more preferable, increase the service life of pipe clamp.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims

1. a kind of boiler high temperature heating surface pipe clamp, including the first pipe clamp module (1) and the second pipe clamp module (2), which is characterized in that The first pipe clamp module (1) includes two the first fasteners (3) and four the second fasteners (4) being linearly arranged, and four second Fastener (4) is located between two the first fasteners (3), is provided with bolt key between first fastener (3) and the second fastener (4) (5), it is also equipped with bolt key (5) between two neighboring second fastener (4) on the first pipe clamp module (1), first pipe The keyway (6) to match with bolt key (5), the second pipe clamp module are provided in clip module (1) in the middle part of second fastener (4) (2) include five the second fasteners (4) being linearly arranged, on the second pipe clamp module (2) two neighboring second fastener (4) it Between be also equipped with bolt key (5), be also equipped with and bolt key (5) in the middle part of the second fastener (4) on the second pipe clamp module (2) The keyway (6) to match.

2. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that first fastener (3) by One semicircular cylinder composition, second fastener (4) are made of two semicircular cylinders.

3. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that the keyway (6) is located at two The junction of a semicircular cylinder.

4. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that the first pipe clamp module (1) it is oppositely arranged with the semicircular cylinder inner wall in the second pipe clamp module (2).

5. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that the first pipe clamp module (1) it is an integral structure with the second pipe clamp module (2).

6. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that the first pipe clamp module (1) and the semicircular cylinder center of circle in the second pipe clamp module (2) is respectively positioned on the same side.

7. a kind of boiler high temperature heating surface pipe clamp according to claim 1, which is characterized in that the first pipe clamp module (1) it is supported with the second pipe clamp module (2) by high nickel heat-resistance stainless steel.