CN217424079U - Movable supporting frame for nuclear power and large-scale heat exchange equipment and heat exchange equipment - Google Patents
Movable supporting frame for nuclear power and large-scale heat exchange equipment and heat exchange equipment Download PDFInfo
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- CN217424079U CN217424079U CN202220764902.2U CN202220764902U CN217424079U CN 217424079 U CN217424079 U CN 217424079U CN 202220764902 U CN202220764902 U CN 202220764902U CN 217424079 U CN217424079 U CN 217424079U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a movable support frame and indirect heating equipment for nuclear power and large-scale indirect heating equipment. The movable supporting frame comprises a guide fixing seat, a bearing, a shaft, vertical plates and anchor bolts, wherein the guide fixing seat is provided with a longitudinal guide groove, the bearing is arranged in the guide groove and rolls in the guide groove, the shaft penetrates through the bearing, the vertical plates are welded at two ends of the shaft, the vertical plates are fixedly connected with a movable clamping plate of heat exchange equipment, the lower part of the guide fixing seat is embedded in a foundation, the lower end of the guide fixing seat is fixedly connected with the anchor bolts, and the anchor bolts are embedded in the foundation. And the heat exchange equipment is provided with the movable support frame. The structure ensures that the equipment is stable, safe and efficient when in operation, fully ensures that various dynamic and static loads cannot generate bending moment and rotate on the basis due to insufficient bearing capacity of the equipment under special working conditions, and effectively ensures the safety and stability of the equipment.
Description
Technical Field
The utility model belongs to the technical field of indirect heating equipment and specifically relates to a movable braced frame and indirect heating equipment for nuclear power and large-scale indirect heating equipment.
Background
The plate heat exchanger is widely applied to production and life by people due to the advantages of high efficiency, energy conservation and the like. The plate heat exchanger comprises main components such as a fixed pressing plate, a movable pressing plate, a heat exchange plate, a sealing rubber gasket, an upper cross beam, a lower cross beam, a clamping bolt, a support, a pipe connecting flange and the like, and also comprises a supporting component. Among the prior art support component adopts the mode that fixed pressure strip side lower margin and after-poppet lower margin link to each other with basic foundation usually, and the unsettled certain distance that keeps with ground in activity pressure strip below, top installation slider conveniently removes activity pressure strip, the dismouting equipment of being convenient for.
The nuclear power field has strict requirements on equipment use performance, has strict regulations on the stability and safety of a product frame support, and needs to consider the safety, stability and reliability of the equipment support under emergency working conditions such as earthquake loads and the like under the condition of meeting the normal use support condition.
Therefore, how to improve the supporting capability of the plate-type heat exchange equipment and meet the higher requirements of the industry on the plate-type heat exchange equipment becomes a key problem which is urgently solved by influencing and restricting the development of enterprises.
Disclosure of Invention
The utility model aims at providing a movable supporting frame and indirect heating equipment for nuclear power and large-scale indirect heating equipment can make the free parallel translation of movable clamping plate when satisfying nuclear power and large-scale indirect heating equipment support ability.
The technical scheme of the utility model:
the utility model provides a movable support frame for nuclear power and large-scale indirect heating equipment, includes direction fixing base, bearing, axle, riser and crab-bolt, it has fore-and-aft guide way to open on the direction fixing base, and the bearing is arranged in the guide way, rolls in the guide way, the axle passes the bearing, and axle both ends welding riser, riser and indirect heating equipment's movable clamping plate fixed connection, direction fixing base lower part is buried in the ground, and direction fixing base lower extreme fixed connection crab-bolt, crab-bolt are pre-buried in the ground.
The utility model has the advantages that:
1. according to the movable supporting structure of the heat exchange equipment, the equipment, in particular large-scale equipment and nuclear power equipment, and the fixed pressing plate ground base feet and the rear support ground base feet simultaneously play a supporting role during operation, so that the distribution of the load bearing force of the equipment is more uniform and balanced. The structure ensures that the equipment runs stably, safely and efficiently, fully ensures that various dynamic and static loads cannot generate bending moment and rotate on the basis due to insufficient bearing capacity of the equipment under special working conditions (namely the working conditions of earthquake load, large plate type heat exchange equipment and large special bearing capacity), and effectively ensures the safety and the stability of the equipment. The device has positive guarantee effect on normal operation of large-scale equipment and large-area heat exchange equipment, especially nuclear power plate heat exchange equipment.
2. The movable supporting structure of the heat exchange equipment can enhance and compensate the bearing capacity of the equipment, and can meet the requirement that each nozzle of the equipment applies the force of dynamic and static loads caused by uneven thermal expansion and the load combination under various emergency and accident working conditions such as earthquake loads.
3. The movable supporting structure can drive the movable clamping plate to slide, and provides more convenient conditions for equipment early-stage installation and maintenance and disassembly during operation of users.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large heat exchange device provided with a movable support frame.
Fig. 2 is an enlarged view of a portion of the movable support frame of fig. 1.
Fig. 3 is a schematic structural diagram of a movable support frame of a large heat exchange device according to the present application.
Fig. 4 is a partially enlarged view of the movable support frame of the large heat exchange device of the present application.
Reference numbers in the figures: 1. fixing the pressing plate; 2. a movable pressure plate; 3. a heat exchange plate; 4. a cross beam; 5. Clamping the bolt; 6. a support; 7. fixing the clamping plate ground footing; 8. a support ground footing; 9. a movable support frame; 91. a guide fixing seat; 92. a bearing; 93. a shaft; 94. a vertical plate; 95. an anchor bolt; 96. a guide groove.
Detailed Description
Aiming at the problem that no supporting structure exists below a movable supporting plate of large-scale heat exchange equipment such as nuclear power equipment in the prior art, the invention particularly discloses a movable supporting frame and heat exchange equipment for nuclear power and large-scale heat exchange equipment. This application activity braced frame mainly includes parts such as gyro wheel bearing combination, direction fixing base, crab-bolt, hangs the department design installation activity gyro wheel bearing structure that hangs under original board trades equipment activity pressure strip, together with the welding of activity pinch-off blades, at the design direction fixing base of activity backup pad below, the direction fixing base is connected fixedly with the crab-bolt for the ground, can be in order to realize the back-and-forth movement function of activity pinch-off blades, can play the outrigger effect again.
The following are specific embodiments of the present invention, which will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
The utility model provides a be used for nuclear power and large-scale indirect heating equipment, includes parts such as fixed pressure strip 1, activity pressure strip 2, heat transfer slab 3, upper and lower crossbeam 4, clamping bolt 5, support 6, connection structure is with prior art. The movable supporting frame 9 is additionally arranged below the movable supporting plate, the movable supporting frame 9 comprises a guiding fixed seat 91, a bearing 92, a shaft 93, a vertical plate 94 and an anchor bolt 95, a longitudinal guiding groove 96 is formed in the guiding fixed seat 91, the bearing 92 is placed in the guiding groove 96 and rolls in the guiding groove 96, and the depth of the guiding groove 96 is smaller than the difference between the inner diameter and the outer diameter of the bearing 92. The shaft 93 penetrates through the bearing 92, vertical plates 94 are welded at two ends of the shaft, the vertical plates 94 are fixedly connected with a movable clamping plate of the heat exchange equipment, the lower portion of the guide fixing seat 91 is buried in the foundation, the lower end of the guide fixing seat 91 is fixedly connected with an anchor bolt 95, and the anchor bolt 95 is buried in the foundation in advance. During the in-service use, for the better slip on the direction fixing base of activity clamping plate, direction fixing base 91 need to fix clamping plate side extension part, promptly when the equipment of indirect heating is accomplished back, direction fixing base 91 is placed under the heat exchanger plate towards fixing clamping plate one end. Preferably, the initial position (towards one end of the fixed pressing plate) of the guide fixing seat of the movable supporting frame extends 20-30mm out of the movable pressing plate. According to the size of the existing heat exchange equipment, the length range of the guide fixing seat 91 is L ═ plate number x (sealing gasket thickness-plate depth) + (500-.
Preferably, the number of the guide holders 91 is two, and the guide holders have a long structure. The two bearings are respectively arranged in the two guide fixing seats and slide back and forth. Therefore, the movable clamping plate can slide back and forth more stably.
Preferably, the guide fixing seat 91 is one, and two longitudinal guide grooves 96 are formed in the upper surface. The number of the bearings and the shaft is two. The two bearings respectively slide back and forth in the two guide grooves. The movable clamping plate can slide back and forth more stably.
The lower part of a movable pressing plate of an original frame of a plate heat exchanger is modified into a roller bearing guide supporting structure from an original suspension structure. The device can simultaneously play a supporting role with the foundation foot of the fixed pressing plate and the foundation foot of the rear support when the device operates (particularly large-scale equipment and nuclear power equipment), and the two fixed ground feet are shared to support load, so that the load distribution of the device is more uniform and balanced. Guarantee that equipment is stable, safe, high-efficient operation, also can make the free parallel translation of activity pressure strip simultaneously during the overhaul of the equipments overhaul, do not distort, make things convenient for the equipment to dismantle, labour saving and time saving to overhaul to play enough support in the reassembly process in the later stage, avoid assembling the production error, can fully guarantee equipment assembly outward appearance and inherent quality. Moreover, the utility model has the advantages of novel and unique inventive concept, compact and reasonable structure, stable and reliable performance, reduced process links, wide application range, wide development prospect, suitability for industrial popularization and the like.
The specific embodiments illustrated in the drawings:
1. firstly, selecting a shaft and bearing combination (2 sets of shaft and bearing combinations) with corresponding models according to the self weight of the equipment and the internal and external load force, then respectively welding a vertical plate on two sides of the shaft, and welding the vertical plate and the bottom end part of the movable pressing plate into a whole.
2. The lower part of each roller bearing is arranged in a guide groove of a guide fixing seat, the size of the guide groove is matched with the bearing, the size of the guide fixing seat in the length direction determines a numerical value according to the size difference after the equipment is freely loosened and clamped, and meanwhile, the operation convenience of an operator needs to be considered, and the calculation formula is that the number of plates x (the thickness of a sealing gasket-the depth of the plate) + (500-.
3. And a corresponding number of anchor bolts are welded below the guide fixing seat and are connected with the equipment foundation (note: during equipment installation, operation and maintenance).
The specific operation is as follows:
1. when the equipment normally runs, the length direction size of the guide fixing seat determines a value according to the size difference of the equipment after free loosening and clamping, and the value under the normal condition is the difference of the two plus (500- & gt 700) mm. The anchor bolt is fixed on the foundation of the equipment foundation, and the roller bearing assembly is placed in the guide groove of the guide fixing seat so as to support the movable pressing plate, so that the equipment is safe, stable and reliable in operation.
2. When the equipment is overhauled, the clamping bolt is loosened, the movable pressing plate part is moved backwards (or rightwards in the drawing) along the direction of the guide plate sliding groove, so that the clamping plate is in a loosening state, and then the movable pressing plate is moved backwards (or rightwards in the drawing), so that enough space is reserved for disassembling the equipment, and an operator can conveniently disassemble the plate and the sealing gasket assembly. The specific moving size can be determined according to the size of the equipment model, and L is equal to the number x of plates (the thickness of a sealing gasket-the depth of the plate) + (500-700) mm. Because the roller bearing supporting structure is reasonably matched with the guide groove of the guide fixing seat, the movable pressing plate component can be ensured to freely slide without deviation and blockage in the backward moving process, and can move synchronously in parallel without distortion, thereby saving time and labor.
3. The reassembling after the overhaul of the equipments is dismantled, especially large-scale equipment, it is longer to go up guide arm length, hangs the slab in large quantity, sends installation activity bearing structure under the activity pressure strip, goes up the contact of opening face above guide arm and the activity pressure strip during the prevention assembly, leads to the fly leaf to sink, avoids the assembly to produce the error, can fully guarantee equipment assembly outward appearance and inherent quality.
Finally, it should be noted that the present invention should not be construed as being limited to the embodiments set forth herein. As is readily understood by one of ordinary skill in the art to which this application pertains, the disclosed features of the embodiments may be combined. Well-known functions or constructions may not be described in detail herein for brevity and/or clarity. Any modification, equivalent change and remodel made to the above implementation examples according to the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention.
Claims (8)
1. A movable supporting frame for nuclear power and large-scale heat exchange equipment is characterized in that: including direction fixing base, bearing, axle, riser and crab-bolt, it has fore-and-aft guide way to open on the direction fixing base, and the bearing is arranged in the guide way, rolls in the guide way, the axle passes the bearing, and axle both ends welding riser, riser and indirect heating equipment's activity pressure strip fixed connection, direction fixing base lower part is buried in the ground, and direction fixing base lower extreme fixed connection crab-bolt, crab-bolt are pre-buried in the ground.
2. The movable support frame for nuclear power and large-scale heat exchange equipment according to claim 1, characterized in that: the depth of the guide groove is smaller than the difference between the inner radius and the outer radius of the bearing.
3. The movable support frame for nuclear power and large-scale heat exchange equipment according to claim 1, characterized in that: the direction fixing base is two, and the direction fixing base is rectangular structure, bearing and axle are two.
4. The movable supporting frame for the nuclear power and large-scale heat exchange equipment as claimed in claim 1, is characterized in that: two longitudinal guide grooves are formed in the guide fixing seat, and the number of the bearings and the number of the shafts are two.
5. The utility model provides a heat exchange equipment, includes fixed pressure strip, activity pressure strip, heat transfer slab, upper and lower crossbeam, clamping bolt, support, installation ground footing below fixed pressure strip and support, its characterized in that: a movable supporting frame for nuclear power and large-scale heat exchange equipment as claimed in any one of claims 1 to 4 is installed below the movable pressing plate.
6. A heat exchange unit according to claim 5 wherein: and one end of the guide fixing seat of the movable supporting frame, which faces the fixed pressing plate, is arranged below the heat exchange plate.
7. A heat exchange unit according to claim 6 wherein: and the guide fixing seat of the movable supporting frame extends out of the movable pressing plate by 20-30mm towards one end of the fixed pressing plate.
8. A heat exchange unit according to claim 5 wherein: the length calculation formula of the guide fixing seat is L ═ plate number x (sealing gasket thickness-plate depth) + (500-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220764902.2U CN217424079U (en) | 2022-04-03 | 2022-04-03 | Movable supporting frame for nuclear power and large-scale heat exchange equipment and heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220764902.2U CN217424079U (en) | 2022-04-03 | 2022-04-03 | Movable supporting frame for nuclear power and large-scale heat exchange equipment and heat exchange equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217424079U true CN217424079U (en) | 2022-09-13 |
Family
ID=83180775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220764902.2U Expired - Fee Related CN217424079U (en) | 2022-04-03 | 2022-04-03 | Movable supporting frame for nuclear power and large-scale heat exchange equipment and heat exchange equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217424079U (en) |
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2022
- 2022-04-03 CN CN202220764902.2U patent/CN217424079U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |