A kind of gas turbine waste heat boiler hanging beam heat insulation structure

Abstract

The utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure.The kind of gas turbine waste heat boiler hanging beam heat insulation structure, including one support sleeve and second support sleeve, the top of one support sleeve is movably sleeved with lifting column, the top of lifting column is fixedly connected with positioning seat, the inside fixed sleeve of positioning seat is with I-beam.The utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure with by setting heat insulation sleeve, when being installed and fixed in hanging beam, crossbeam is fixedly sleeved in the inside of heat insulation sleeve, cooling liquid is injected into heat insulation sleeve inside at this time, so that crossbeam can be fixed with heat insulation sleeve on the top of I-beam, so as to reach the fixed effect of heat insulation sleeve and lifting ring, so that cooling liquid can be cooled to heat insulation sleeve that is continuously roasted, so as to avoid that heat insulation sleeve is frequently thermal expansion and cold shrink when being roasted for a long time, cause heat insulation sleeve service life to reduce problem, so as to improve the service life of hanging beam.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat insulation structure especially relates to a gas turbine waste heat boiler hanging beam heat insulation structure. BACKGROUND

[0002] A large number of gas compression stations are built on the natural gas transmission pipelines such as West-East Gas Transmission Project. The gas compression stations use gas turbines to drive compressors to operate, so as to increase the pressure of natural gas transmission to offset the pressure drop caused by long-distance transmission of natural gas. The flue gas discharged by the gas turbine has a temperature close to 500 DEG C and a large flow rate. This part of flue gas is directly discharged without utilization, resulting in waste of energy. In the prior art, a gas turbine waste heat boiler is used to recycle the waste heat. The main working principle is to absorb the waste heat of the flue gas discharged by the gas turbine by arranging a large number of heat exchange tubes to generate steam for steam turbine power generation or as heat supply and other process steam. In the gas turbine waste heat boiler in the prior art, a hanging support system is used to support the heating surface components such as superheater, economizer and evaporator. The existing hanging structure includes a plurality of hanging plates and a hanging beam, the upper edge of the hanging plate is fixed on the hanging beam, and the lower edge of the hanging plate is fixedly connected with the header of the heating surface component through a pin shaft. However, the connection bend between the header of the heating surface component and the pipe is prone to wear, but the pipe panel is dense and not easy to maintain, so the pipe panel needs to be removed for maintenance of the above-mentioned parts. This greatly increases the operation difficulty and reduces the work efficiency, and also increases the probability of component damage or safety accidents in the process of frequent disassembly and assembly.

[0003] In the prior art, such as the gas turbine waste heat boiler with the authorization announcement number CN205048404U, the boiler steel frame, the hanging system and the heating surface component are included, the heating surface component includes a header and a pipe, the hanging system includes a hanging rod, a hanging beam and a pin shaft positioning structure, the upper end of the hanging rod is provided with a long thread, the part provided with the long thread at the upper end of the hanging rod is positioned on the hanging beam through a threaded fastening assembly, and the lower end of the hanging plate is connected with the header through the pin shaft positioning structure. The utility model is suitable for fitness equipment. The utility model has the following beneficial effects: (1) the structure of the improved hanging system is convenient for maintenance and improves the safety; and (2) the hanging positioning of the heating surface component is stable and durable.

[0004] In the prior art, when the boiler is fixed, the hanging beam is usually located directly above the boiler, so that the hanging beam needs to be subjected to high-temperature baking of the boiler for a long time, thereby causing the service life of the hanging beam to be greatly reduced when the hanging beam is frequently subjected to sudden cooling and heating.

[0005] Therefore, it is necessary to provide a gas turbine waste heat boiler hanging beam heat insulation structure to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure, solve the problem of further cause hanging beam frequent quenching and heating service life greatly reduce.

[0007] To solve the above technical problems, the utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure, including no.

[0008] Preferably, the front shape of the heat insulation sleeve is conical, and the material of the heat insulation sleeve is manganese steel.

[0009] Preferably, the number of air holes is five, and the five air holes are evenly distributed above the heat insulation sleeve.

[0010] Preferably, the adjusting mechanism includes a bolt, the bolt is threadedly connected inside the first support sleeve, and the front of the lifting column is provided with a positioning groove.

[0011] Preferably, the bottom of the anti-skid tooth plate is in close contact with the I-beam, and the anti-skid tooth plate is located above the lifting column.

[0012] Preferably, the number of sliding balls is several, and the several sliding balls are evenly distributed on the side surface of the lifting column.

[0013] Preferably, the reinforcing mechanism includes a first connecting column, the first connecting column is fixedly connected to the outside of the first support sleeve, the outside of the first support sleeve is fixedly connected with a second connecting column, and the top of the first connecting column is fixedly connected with a supporting column.

[0014] Preferably, the anti-skid mechanism includes a threaded column, the threaded column is threadedly connected to the bottom of the first support sleeve, and the bottom of the threaded column is fixedly connected with an anti-skid seat.

[0015] Compared with the related art, the utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure with the following beneficial effects:

[0016] The utility model provides a kind of gas turbine waste heat boiler hanging beam heat insulation structure, by setting heat insulation sleeve, when being installed and fixed in hanging beam, crossbeam is fixedly sleeved in the inside of heat insulation sleeve, cooling liquid is injected into heat insulation sleeve inside at this time, so that crossbeam can be fixed heat insulation sleeve on the top of I-beam, so as to reach the fixed effect of heat insulation sleeve and lifting ring, so that cooling liquid can be cooled to the heat insulation sleeve that is continuously roasted, so as to avoid the problem that heat insulation sleeve is reduced in service life when being roasted for long time frequently, so as to improve the service life of hanging beam.

[0017] By setting adjusting mechanism, when I-beam height is adjusted, rotate bolt, so that bolt can be removed from the inside of positioning groove, so that lifting column can be moved up and down in the inside of one support sleeve, that is, drive I-beam to move up and down, so as to reach crossbeam height adjusting effect, and further bring convenience for the height adjustment of hanging beam. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 For the structure diagram of a preferred embodiment of the heat insulation structure of the gas turbine waste heat boiler hanging beam provided by the utility model,

[0019] Figure 2 For Figure 1 As shown in a kind of heat insulation structure of the gas turbine waste heat boiler hanging beam,

[0020] Figure 3 For Figure 1 As shown in heat insulation sleeve in a kind of heat insulation structure of the gas turbine waste heat boiler hanging beam,

[0021] Figure 4 For Figure 1 As shown in lifting column in a kind of heat insulation structure of the gas turbine waste heat boiler hanging beam,

[0022] Reference numeral in drawing: 1, one support sleeve;2, two support sleeves;3, lifting column;4, positioning seat;5, I-beam;6, crossbeam;7, heat insulation sleeve;8, air vent;9, sealing plug;10, heat insulation plate;11, lifting ring;12, adjusting mechanism;121, bolt;122, positioning groove;13, anti-skid toothed plate;14, sliding ball;15, reinforcing mechanism;151, one connecting column;152, two connecting columns;153, support column;16, anti-skid mechanism;161, threaded column;162, anti-skid seat. DETAILED DESCRIPTION

[0023] The utility model is further described below in connection with drawing and embodiment.

[0024] Please combine with reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4wherein, Figure 1 A preferred embodiment structure diagram of a kind of gas turbine waste heat boiler hanging beam heat insulation structure provided by the utility model shows the structure diagram of a kind of gas turbine waste heat boiler hanging beam heat insulation structure provided by the utility model; Figure 2 As Figure 1 As shown in a kind of gas turbine waste heat boiler hanging beam heat insulation structure shows the front view of a kind of gas turbine waste heat boiler hanging beam heat insulation structure. Figure 3 As Figure 1 As shown in a kind of gas turbine waste heat boiler hanging beam heat insulation structure shows the front view of a kind of gas turbine waste heat boiler hanging beam heat insulation structure. Figure 4 As Figure 1 As shown in a kind of gas turbine waste heat boiler hanging beam heat insulation structure shows the front view of a kind of gas turbine waste heat boiler hanging beam heat insulation structure. A kind of gas turbine waste heat boiler hanging beam heat insulation structure, including No. 1 support sleeve 1 and No. 2 support sleeve 2, the top of No. 1 support sleeve 1 is movably sleeved with lifting column 3, the top of lifting column 3 is fixedly connected with positioning seat 4, the inside of positioning seat 4 is fixedly sleeved with I-beam 5, the top of I-beam 5 is fixedly connected with crossbeam 6, one end of crossbeam 6 is fixedly sleeved with heat insulation sleeve 7, the top of heat insulation sleeve 7 is provided with gas hole 8, the top of heat insulation sleeve 7 is threadedly sleeved with sealing plug 9, the bottom of crossbeam 6 is fixedly connected with heat insulation plate 10, the bottom of heat insulation sleeve 7 is fixedly connected with lifting ring 11, the front of No. 1 support sleeve 1 is provided with adjusting mechanism 12, the bottom of positioning seat 4 inner chamber is fixedly sleeved with anti-skid toothed plate 13, the side of lifting column 3 is movably sleeved with sliding ball 14, the outside of No. 1 support sleeve 1 is provided with reinforcing mechanism 15, the bottom of No. 1 support sleeve 1 is provided with anti-skid mechanism 16.

[0025] The front of heat insulation sleeve 7 is conical, and the material of heat insulation sleeve 7 is manganese steel material;By setting heat insulation sleeve 7, when installing and fixing hanging beam, crossbeam 6 is fixedly sleeved in the inside of heat insulation sleeve 7, at this time, cooling liquid is injected into the inside of heat insulation sleeve 7, so that crossbeam 6 can fix heat insulation sleeve 7 on the top of I-beam 5, so as to achieve the fixing effect of heat insulation sleeve 7 and lifting ring 11, so that the cooling liquid can cool the heat insulation sleeve 7 which is continuously roasted, thereby avoiding the problem that heat insulation sleeve 7 frequently expands and shrinks when being roasted for a long time, resulting in reduced service life of heat insulation sleeve 7, thereby improving the service life of hanging beam.

[0026] The number of gas holes 8 is five, and the five gas holes 8 are evenly distributed above heat insulation sleeve 7;By setting gas hole 8, when the temperature of cooling liquid rises with heat insulation sleeve 7, the water vapor in the inside of heat insulation sleeve 7 is discharged to the outside of heat insulation sleeve 7 through gas hole 8, thereby avoiding the problem that cooling liquid overflows from the inside of heat insulation sleeve 7 when the internal pressure of heat insulation sleeve 7 rises, thereby improving the stability of the internal pressure of heat insulation sleeve 7.

[0027] The adjusting mechanism 12 comprises a bolt 121 which is screwed into the inside of the first supporting sleeve 1, and the front face of the lifting column 3 is provided with a positioning groove 122; by arranging the adjusting mechanism 12, when the height of the I-shaped steel 5 is adjusted, the bolt 121 is rotated to move out of the inside of the positioning groove 122, so that the lifting column 3 can move up and down in the first supporting sleeve 1, that is, the I-shaped steel 5 is driven to move up and down, thereby achieving the height adjusting effect of the cross beam 6.

[0028] The anti-skid tooth plate 13 is in close contact with the bottom of the I-shaped steel 5, and the anti-skid tooth plate 13 is located directly above the lifting column 3; by arranging the anti-skid tooth plate 13, when the I-shaped steel 5 is installed and fixed, the anti-skid tooth plate 13 greatly improves the friction between the positioning seat 4 and the I-shaped steel 5, thereby avoiding the problem that the I-shaped steel 5 slides in the positioning seat 4 when the cross beam 6 shakes, and the stability of the position of the cross beam 6 is improved.

[0029] The number of the sliding balls 14 is several, and the several sliding balls 14 are uniformly distributed on the side face of the lifting column 3; by arranging the sliding balls 14, when the lifting column 3 moves up and down, the sliding balls 14 can limit the position of the lifting column 3 which moves up and down, so that the problem of friction between the lifting column 3 and the inner wall of the first supporting sleeve 1 when the lifting column 3 moves up and down is avoided, and the smoothness of the lifting column 3 when moving up and down is improved.

[0030] The reinforcing mechanism 15 comprises a first connecting column 151 which is fixedly connected to the outside of the first supporting sleeve 1, the first supporting sleeve 1 is fixedly connected with a second connecting column 152 on the outside, and the top of the first connecting column 151 is fixedly connected with a supporting column 153; by arranging the reinforcing mechanism 15, when the hanging beam is installed and fixed, the second connecting column 152 can fixedly connect the first supporting sleeve 1 with the second supporting sleeve 2, so that the supporting column 153 greatly improves the stability of the first supporting sleeve 1 and the second supporting sleeve 2, that is, the load bearing effect of the hanging beam is improved.

[0031] The anti-skid mechanism 16 comprises a threaded column 161 which is screwed into the bottom of the first supporting sleeve 1, and the bottom of the threaded column 161 is fixedly connected with an anti-skid seat 162; by arranging the anti-skid mechanism 16, when the hanging beam is installed and fixed, the threaded column 161 is screwed into the bottom of the first supporting sleeve 1, so that the anti-skid seat 162 can support the first supporting sleeve 1 through the threaded column 161, that is, the friction between the first supporting sleeve 1 and the ground is improved, and the stability of the fixed position of the hanging beam is improved.

[0032] The working principle of the heat insulation structure of the gas turbine waste heat boiler hanging beam is as follows:

[0033] The first step: when the hanging beam is installed and fixed, the cross beam 6 is fixedly sleeved in the heat insulation sleeve 7, at this time, the cooling liquid is injected into the heat insulation sleeve 7, so that the heat insulation sleeve 7 is fixed on the top of the I-shaped steel 5 by the cross beam 6, so that the fixing effect of the heat insulation sleeve 7 and the lifting ring 11 is achieved, so that the cooling liquid can cool the heat insulation sleeve 7 which is continuously roasted, thereby avoiding the problem that the service life of the heat insulation sleeve 7 is reduced due to frequent thermal expansion and cold contraction when the heat insulation sleeve 7 is roasted for a long time, thereby improving the service life of the hanging beam, when the temperature of the cooling liquid in the heat insulation sleeve 7 rises, the water vapor in the heat insulation sleeve 7 is discharged to the outside of the heat insulation sleeve 7 through the air vent hole 8, thereby avoiding the problem that the cooling liquid overflows from the heat insulation sleeve 7 when the pressure in the heat insulation sleeve 7 rises, thereby improving the stability of the pressure in the heat insulation sleeve 7, when the height of the I-shaped steel 5 is adjusted, the rotating bolt 121 is rotated, so that the bolt 121 is moved out of the positioning groove 122, so that the lifting column 3 can move up and down in the first support sleeve 1, that is, the I-shaped steel 5 is driven to move up and down, so that the height adjustment effect of the cross beam 6 is achieved, when the I-shaped steel 5 is installed and fixed, the anti-skid tooth plate 13 greatly improves the friction between the positioning seat 4 and the I-shaped steel 5, thereby avoiding the problem that the I-shaped steel 5 slides in the positioning seat 4 when the cross beam 6 shakes, thereby improving the stability of the position of the cross beam 6;

[0034] The second step: when the lifting column 3 moves up and down, the sliding ball 14 limits the position of the lifting column 3 moving up and down, so that the problem of friction between the lifting column 3 and the inner wall of the first support sleeve 1 when the lifting column 3 moves up and down is avoided, thereby improving the smoothness of the lifting column 3 moving up and down, when the hanging beam is installed and fixed, the second connecting column 152 fixes and connects the first support sleeve 1 and the second support sleeve 2, so that the supporting column 153 greatly improves the stability of the first support sleeve 1 and the second support sleeve 2, that is, the load-bearing effect of the hanging beam is improved, when the hanging beam is installed and fixed, the threaded column 161 is threadedly sleeved at the bottom of the first support sleeve 1, so that the anti-skid seat 162 supports the first support sleeve 1 through the threaded column 161, that is, the friction between the first support sleeve 1 and the ground is improved, thereby improving the stability of the fixed position of the hanging beam.

[0035] Compared with the related art, the heat insulation structure of the gas turbine waste heat boiler hanging beam has the following beneficial effects:

[0036] By setting the heat insulation sleeve 7, when the hanging beam installation and fixation is carried out, the cross beam 6 is fixedly sleeved in the inside of the heat insulation sleeve 7, at the moment, the cooling liquid is injected into the inside of the heat insulation sleeve 7, so that the cross beam 6 can fix the heat insulation sleeve 7 on the top of the I-shaped steel 5, thereby achieving the fixation effect of the heat insulation sleeve 7 and the lifting ring 11, so that the cooling liquid can cool the heat insulation sleeve 7 which is continuously roasted, thereby avoiding the problem that the heat insulation sleeve 7 is frequently expanded and contracted due to long-time roasting, thereby reducing the service life of the heat insulation sleeve 7, and thereby improving the service life of the hanging beam.

[0037] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A heat insulation structure for a gas turbine waste heat boiler hanging beam, comprising a first support sleeve (1) and a second support sleeve (2), characterized in that: The top of the first support sleeve (1) is movably fitted with a lifting column (3), the top of the lifting column (3) is fixedly connected with a positioning seat (4), the inside of the positioning seat (4) is fixedly fitted with an I-beam (5), the top of the I-beam (5) is fixedly connected with a crossbeam (6), one end of the crossbeam (6) is fixedly fitted with a heat insulation sleeve (7), the top of the heat insulation sleeve (7) is provided with a vent hole (8), the top of the heat insulation sleeve (7) is threaded with a sealing plug (9), the crossbeam (6) The bottom of the first support sleeve (1) is fixedly connected to a heat insulation plate (10), the bottom of the heat insulation sleeve (7) is fixedly connected to a lifting ring (11), the front of the first support sleeve (1) is provided with an adjustment mechanism (12), the bottom of the inner cavity of the positioning seat (4) is fixedly sleeved with an anti-slip toothed plate (13), the side of the lifting column (3) is movably sleeved with a sliding ball (14), the outside of the first support sleeve (1) is provided with a reinforcing mechanism (15), and the bottom of the first support sleeve (1) is provided with an anti-slip mechanism (16).

2. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The front of the heat insulation sleeve (7) is conical, and the heat insulation sleeve (7) is made of manganese steel.

3. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The number of the five air vents (8) is five, and the five air vents (8) are evenly distributed above the heat insulation sleeve (7).

4. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The adjustment mechanism (12) includes a bolt (121), which is threaded into the inside of the first support sleeve (1), and the lifting column (3) has a positioning groove (122) on its front side.

5. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The anti-slip toothed plate (13) is in close contact with the bottom of the I-beam (5), and the anti-slip toothed plate (13) is located directly above the lifting column (3).

6. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The number of sliding balls (14) is several, and the several sliding balls (14) are evenly distributed on the side of the lifting column (3).

7. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The reinforcing mechanism (15) includes a first connecting column (151), which is fixedly connected to the outside of a first support sleeve (1). A second connecting column (152) is fixedly connected to the outside of the first support sleeve (1), and a support column (153) is fixedly connected to the top of the first connecting column (151).

8. The insulation structure of the hanging beam of a gas turbine waste heat boiler according to claim 1, characterized in that, The anti-slip mechanism (16) includes a threaded post (161), which is threadedly sleeved on the bottom of the first support sleeve (1), and an anti-slip seat (162) is fixedly connected to the bottom of the threaded post (161).

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