CN205013970U - Heat -proof device of super temperature of combustion engine non -metallic expansion joint - Google Patents
Heat -proof device of super temperature of combustion engine non -metallic expansion joint Download PDFInfo
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- CN205013970U CN205013970U CN201520775648.6U CN201520775648U CN205013970U CN 205013970 U CN205013970 U CN 205013970U CN 201520775648 U CN201520775648 U CN 201520775648U CN 205013970 U CN205013970 U CN 205013970U
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Abstract
The utility model discloses a heat -proof device of super temperature of combustion engine non -metallic expansion joint, which comprises the expansion joint, interior heat preservation, a screw rod, the insulating layer, stainless wire net, a left side is established to the expansion joint, right side frame, a left side, right side frame inner wall all upright sets up a plurality of heat preservation nail and screw rod, if middle dry circular arc bridge is fixed, a left side, the insulating layer is respectively established to the trilateral inner wall of right side frame, insulating layer and heat preservation nail rigidity, overlying ground stainless wire net, the last locking plate of establishing of heat preservation nail is locked, fix the insulating layer in the girth direction of expansion joint frame with stainless wire net, heat preservation in covering on the insulating layer, establish partly overlapping inner casing on the interior heat preservation, the inner casing is all fixed with the screw rod, the utility model discloses the insulating layer is fixed, and the expansion joint is during along with flue expend with heat and contract with cold, and the insulating layer along with the expansion joint mass motion, has cut off the direct contact between frame and high temperature medium all the time, can prevent metallic conductance high temperature, ensures expansion joint, the no longer super temperature of flue outer wall, satisfies the strict demand of combustion engine to super temperature.
Description
Technical field
The utility model relates to a kind of electrical facility technical field, especially the heat-proof device of combustion engine non-metal expansion joint overtemperature.
Background technique
The combustion engine outlet of GTCC power plant all can select non-metal expansion joint with being connected between exhaust heat boiler import, carry out transition, as shown in Figure 2: expansion joint 1 needs the high temperature that subject about 620 DEG C for a long time, because the compensation rate of three-dimensional is large, during operation, between internal protective plate 1 and thermal insulation layer 1004, there will be very large gap, flue 1001 non-metal expansion joint of current domestic use combustion engine configuration, it the design of inside holding is all the thermal insulation layer 1004 adopting conventional place mat layer by layer, the plain mode that screw rod 1007 is fixing, such layout has low cost, feature convenient for production, but in actual motion, because thermal insulation layer 1004 is fixed on elongated screw rod 1007, at long compressive, in drawing process, screw rod 1007 and thermal insulation layer 1004 between occur not stopping to pull, cotton-shaped thermal insulation layer 1004 is caused to be torn gradually, displacement, after gap increases, high-temperature flue gas is easily via gap, then raise up along flue 1001 circumferential direction, wear outward, final formation flue 1001 outer wall overtemperature, appearance all ubiquity overtemperature imaginations of state's flue of internal combustion engine and non-metal expansion joint, some overtemperature position even reaches the degree that ordinary person cannot be close, have a strong impact on the safety in production of equipment, and long-term overtemperature, very large infringement can be produced to the supporting structure intensity of flue 1001 and expansion joint 1, fatal threat can be produced to the safe operation of GTCC power plant whole system.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, the heat-proof device of combustion engine non-metal expansion joint overtemperature is provided, by changing the layout of non-metal expansion joint internal insulation, set up and can follow the thermal-protective coating that expansion joint carries out global displacement for one, make between the inside and outside wall of expansion joint, flue, to remain good function of heat insulation, solve the overheating problem of combustion engine flue and expansion joint body exterior.
For achieving the above object, the technical solution of the utility model is: the heat-proof device of combustion engine non-metal expansion joint overtemperature, comprise expansion joint, inner thermal insulating layer, screw rod, thermal-protective coating, flue Surgery therapy, Stainless Steel Cloth, described expansion joint establishes left frame and right frame, described left frame, right frame inwall all uprightly arranges some bar for lines and screw rod, centre establishes some circular arc bridges to fix, described left frame, three inwalls of right frame respectively establish thermal-protective coating, described thermal-protective coating and bar for line position are fixed, cover Stainless Steel Cloth above, described bar for line establish locking plate to lock, thermal-protective coating and Stainless Steel Cloth are fixed in the circumferential direction of expansion joint framework, described thermal-protective coating covers inner thermal insulating layer, described inner thermal insulating layer establishes partly overlapping internal protective plate, described internal protective plate is all fixed with screw rod.
Further setting, establishes water storage tank in described left frame, and described water storage tank establishes dewatering orifice.
Further setting, described left frame left end and combustion engine flue outlet are fixed, peripheral hardware flue Surgery therapy, and described right frame right-hand member and boiler inlet are fixed.
Further setting, total thickness >=about the 100mm of described thermal-protective coating, two plies can be divided to arrange, and material is alumina-silicate refractory fibre blanket.
Further setting, described flue Surgery therapy material is unit weight >=128 ㎏/m3 is alumina-silicate refractory fibre blanket.
Further setting, described thermal-protective coating is that entirety is fixed on the left frame of expansion joint, right frame inwall, and bar for line and left frame, right frame spot welding are fixed, and the spacing between bar for line is at 200-250mm, and described Stainless Steel Cloth specification is 20 × 20 × 1.6mm.
Further setting, when described thermal-protective coating is laid, want tightly smooth with layer seam, the staggered floor fissure of displacement overlaps, and dislocation is apart from being greater than more than 50mm, and often spread one deck thermal-protective coating and all press a slice locking plate, locking plate is pressed into 3-5mm in thermal-protective coating at every turn.
Further setting, tightens after described Stainless Steel Cloth connection need overlap.
The beneficial effects of the utility model are: setting up of thermal-protective coating, be beneficial to and make to remain good function of heat insulation between the inside and outside wall of expansion joint, combustion engine flue outlet, solve the overheating problem of combustion engine flue outlet and expansion joint body exterior, avoid inner thermal insulating layer in long compressive, drawing process, do not stop between screw rod and inner thermal insulating layer to pull, cotton-shaped inner thermal insulating layer is caused to be torn gradually, be shifted, after gap increases, high-temperature flue gas easily passes through gap, then raise up along flue circumferential direction, wear outward, final formation flue outer wall overtemperature; The setting of bar for line, is beneficial to thermal-protective coating and left frame, right frame are fixed, and synchro-draw displacement, avoid tearing, improve effect of heat insulation; The setting of Stainless Steel Cloth, is beneficial to overall fixing thermal-protective coating, and improves locking plate the constant intensity of thermal-protective coating on bar for line.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram before the utility model improves.
In figure: expansion joint 1, left frame 101, right frame 102, circular arc bridge 103, bar for line 104, internal protective plate 105, locking plate 106, water storage tank 107, dewatering orifice 108, inner thermal insulating layer 2, screw rod 3, thermal-protective coating 4, Stainless Steel Cloth 5, combustion engine flue outlet 6, flue Surgery therapy 7, boiler inlet 8, flue 1001, expansion joint 1, Surgery therapy 1003, thermal insulation layer 1004, right frame 1, internal protective plate 1, screw rod 1007, circular arc bridge 1, left frame 1.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 2, the heat-proof device of combustion engine non-metal expansion joint overtemperature, comprise expansion joint 1, inner thermal insulating layer 2, screw rod 3, thermal-protective coating 4, Stainless Steel Cloth 5, flue Surgery therapy 7, described expansion joint 1 establishes left frame 101 and right frame 102, described left frame 101, right frame 102 inwall all uprightly arranges some bar for lines 104 and screw rod 3, centre establishes some circular arc bridges 103 to fix, described left frame 101, three inwalls of right frame 102 respectively establish thermal-protective coating 4, described thermal-protective coating 4 is fixed with bar for line 104 position, cover Stainless Steel Cloth 5 above, described bar for line 104 establish locking plate 106 to lock, thermal-protective coating 4 and Stainless Steel Cloth 5 are fixed in the circumferential direction of expansion joint framework, described thermal-protective coating 4 covers inner thermal insulating layer 2, described inner thermal insulating layer 2 establishes partly overlapping internal protective plate 105, described internal protective plate 105 is all fixed with screw rod 3, setting up of the utility model thermal-protective coating 4, be beneficial to and make expansion joint 1, good function of heat insulation is remained between the inside and outside wall of combustion engine flue outlet 6, solve the overheating problem of combustion engine flue outlet 6 and expansion joint 1 body exterior, avoid inner thermal insulating layer 2 at long compressive, in drawing process, do not stop between screw rod 3 and inner thermal insulating layer 2 to pull, cotton-shaped inner thermal insulating layer 2 is caused to be torn gradually, displacement, after gap increases, high-temperature flue gas easily passes through gap, then raise up along flue circumferential direction, wear outward, final formation flue outer wall overtemperature, the setting of bar for line 104, is beneficial to thermal-protective coating 4 and fixes with left frame 101, right frame 102, and synchro-draw displacement, avoid tearing, improve effect of heat insulation, the setting of Stainless Steel Cloth 5, is beneficial to overall fixing thermal-protective coating 4, and improves locking plate 106 the constant intensity of thermal-protective coating 4 on bar for line 104.
Establish water storage tank 107 in described left frame 101, described water storage tank 107 establishes dewatering orifice 108, be beneficial to discharge and shut down rear cooling water.
Described left frame 101 left end and combustion engine flue outlet 6 are fixed, and peripheral hardware flue Surgery therapy 7, is beneficial to heat insulation, and described right frame 102 right-hand member and boiler inlet 8 are fixed.
Total thickness >=about the 100mm of described thermal-protective coating 4, two plies can be divided to arrange, and reduce cost of material, material is alumina-silicate refractory fibre blanket, fire-resistant and high temperature resistant, and effectively can stop heat trnasfer.
Described flue Surgery therapy 7 material is unit weight>=128 ㎏/m
3for alumina-silicate refractory fibre blanket, fire-resistant and high temperature resistant, and effectively can stop heat trnasfer.
Described thermal-protective coating 4 is the overall left frame 101 being fixed on expansion joint 1, on right frame 102 inwall, bar for line 104 and left frame 101, right frame 102 spot welding is fixed, spacing 200-250mm between bar for line 104, thermal-protective coating after fixation, when expansion joint 1 stretches along with flue is heated, during compression movement, thermal-protective coating 4 is along with expansion joint 1 mass motion all the time, cut off left frame 101, direct between right frame 102 with high temperature media in flue contacts, metal conduction high temperature can be prevented, guarantee expansion joint 1, flue outer wall no longer overtemperature, meet the strict demand of GTCC power plant to overtemperature.
Described Stainless Steel Cloth 5 specification is 20 × 20 × 1.6mm, effectively can fix the height after thermal-protective coating 4 installation, and can improve the compression intensity of locking plate 106.
When described thermal-protective coating 4 is laid, want tightly smooth with layer seam, the staggered floor fissure of displacement overlaps, dislocation is apart from being greater than more than 50mm, avoid high-temperature gas to gush, often spread one deck thermal-protective coating 4 and all press a slice locking plate 106, be beneficial to thermal-protective coating 4 all energy synchronization telescopes, locking plate 106 is pressed into 3-5mm in thermal-protective coating 4 at every turn, improves and compresses intensity.
Tighten after described Stainless Steel Cloth 5 connection need overlap, improve overall fastening strength.
More than show and describe basic principle of the present utility model and major character, and advantage of the present utility model.The technician of the industry also understands; the utility model is not by the restriction of above-mentioned case study on implementation; what describe in above-mentioned case study on implementation and specification just illustrates principle of the present utility model; do not departing under the utility model design category prerequisite; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appended claims and equivalent thereof.
Claims (8)
1. the heat-proof device of combustion engine non-metal expansion joint overtemperature, it is characterized in that: comprise expansion joint (1), inner thermal insulating layer (2), screw rod (3), thermal-protective coating (4), Stainless Steel Cloth (5), flue Surgery therapy (7), described expansion joint (1) establishes left frame (101) and right frame (102), described left frame (101), right frame (102) inwall all uprightly arranges some bar for lines (104) and screw rod (3), some circular arc bridges (103) fixing is established in centre, described left frame (101), three inwalls of right frame (102) respectively establish thermal-protective coating (4), described thermal-protective coating (4) and bar for line (104) position are fixed, cover Stainless Steel Cloth (5) above, described bar for line (104) is established locking plate (106) lock, thermal-protective coating (4) and Stainless Steel Cloth (5) are fixed in the circumferential direction of expansion joint framework, described thermal-protective coating (4) covers inner thermal insulating layer (2), described inner thermal insulating layer (2) is established partly overlapping internal protective plate (105), described internal protective plate (105) is all fixed with screw rod (3).
2. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, is characterized in that: establish water storage tank (107) in described left frame (101), described water storage tank (107) is established dewatering orifice (108).
3. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, it is characterized in that: described left frame (101) left end and combustion engine flue outlet (6) are fixed, peripheral hardware flue Surgery therapy (7), described right frame (102) right-hand member and boiler inlet (8) are fixed.
4. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, is characterized in that: total thickness >=about the 100mm of described thermal-protective coating (4), and two plies can be divided to arrange, and material is alumina-silicate refractory fibre blanket.
5. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, is characterized in that: described flue Surgery therapy (7) material is unit weight>=128 ㎏/m
3for alumina-silicate refractory fibre blanket.
6. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, it is characterized in that: described thermal-protective coating (4) is fixed on the left frame (101) of expansion joint (1), right frame (102) inwall for entirety, bar for line (104) and left frame (101), right frame (102) spot welding are fixed, spacing between bar for line (104) is at 200-250mm, and described Stainless Steel Cloth (5) specification is 20 × 20 × 1.6mm.
7. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, it is characterized in that: when described thermal-protective coating (4) is laid, want tightly smooth with layer seam, the staggered floor fissure of displacement overlaps, dislocation is apart from being greater than more than 50mm, often spread one deck thermal-protective coating (4) and all press a slice locking plate (106), locking plate (106) press-in thermal-protective coating (4) interior 3-5mm.
8. the heat-proof device of combustion engine non-metal expansion joint overtemperature as claimed in claim 1, is characterized in that: described Stainless Steel Cloth (5) connect need overlap after tighten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775648.6U CN205013970U (en) | 2015-10-08 | 2015-10-08 | Heat -proof device of super temperature of combustion engine non -metallic expansion joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775648.6U CN205013970U (en) | 2015-10-08 | 2015-10-08 | Heat -proof device of super temperature of combustion engine non -metallic expansion joint |
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| CN205013970U true CN205013970U (en) | 2016-02-03 |
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| CN201520775648.6U Active CN205013970U (en) | 2015-10-08 | 2015-10-08 | Heat -proof device of super temperature of combustion engine non -metallic expansion joint |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113055A (en) * | 2020-10-15 | 2020-12-22 | 诸暨市沣泽动力机械有限公司 | Novel nonmetal expansion joint of feed back ware furnace |
| CN112113054A (en) * | 2020-10-14 | 2020-12-22 | 诸暨市沣泽动力机械有限公司 | Brand-new non-metal expansion joint at outlet of high-grade gas turbine |
| CN112128499A (en) * | 2020-10-16 | 2020-12-25 | 诸暨市沣泽动力机械有限公司 | Novel heavy-duty combustion engine nonmetal expansion joint |
| CN113187981A (en) * | 2021-05-14 | 2021-07-30 | 无锡华光环保能源集团股份有限公司 | Nonmetal expansion joint structure for connecting combustion engine and waste heat boiler |
| CN113356990A (en) * | 2021-07-29 | 2021-09-07 | 中国电建集团河南工程有限公司 | Internal heat insulation structure of gas turbine exhaust diffusion section and construction method |
-
2015
- 2015-10-08 CN CN201520775648.6U patent/CN205013970U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113054A (en) * | 2020-10-14 | 2020-12-22 | 诸暨市沣泽动力机械有限公司 | Brand-new non-metal expansion joint at outlet of high-grade gas turbine |
| CN112113055A (en) * | 2020-10-15 | 2020-12-22 | 诸暨市沣泽动力机械有限公司 | Novel nonmetal expansion joint of feed back ware furnace |
| CN112113055B (en) * | 2020-10-15 | 2023-08-29 | 诸暨市沣泽动力机械有限公司 | Novel nonmetallic expansion joint of feeder return hearth |
| CN112128499A (en) * | 2020-10-16 | 2020-12-25 | 诸暨市沣泽动力机械有限公司 | Novel heavy-duty combustion engine nonmetal expansion joint |
| CN112128499B (en) * | 2020-10-16 | 2023-08-29 | 诸暨市沣泽动力机械有限公司 | Novel nonmetal expansion joint of heavy-duty gas turbine |
| CN113187981A (en) * | 2021-05-14 | 2021-07-30 | 无锡华光环保能源集团股份有限公司 | Nonmetal expansion joint structure for connecting combustion engine and waste heat boiler |
| CN113356990A (en) * | 2021-07-29 | 2021-09-07 | 中国电建集团河南工程有限公司 | Internal heat insulation structure of gas turbine exhaust diffusion section and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xiaojun Inventor after: Qiao Hongyong Inventor after: Xi Yan Inventor after: Zhu Changyou Inventor after: Yu Weixue Inventor before: Chen Xiaojun |
|
| COR | Change of bibliographic data |