Anti-seismic test system for heat exchange device

Abstract

The utility model discloses an anti-seismic test system for a heat exchange device, which comprises a vibration test bench, an acceleration sensor, a strain gauge, a displacement sensor and a data acquisition and recording system, and the acceleration sensor, the strain gauge and the displacement sensor are respectively connected with the data acquisition and recording system and are arranged at appointed positions of the heat exchange device. According to the utility model, by reasonably planning the arrangement positions of the acceleration sensor, the strain gauge and the displacement sensor, the state of the heat exchange device under the earthquake wave condition can be effectively simulated in the process of simulating the earthquake vibration table test, the performance index of the heat exchange device can be effectively obtained, and the obtained data can better simulate the actual value under the earthquake condition; and the method can be used for comparing, analyzing and calculating numerical values to complete design verification of the heat exchange device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti -seismic test, concretely relates to a heat exchange device anti -seismic test system. BACKGROUND

[0002] In the heat exchange field of reactor, the heat exchange device is the main equipment for discharging the heat generated by the core of small integrated reactor, and the anti -seismic test of multipurpose small reactor heat exchange device needs to obtain the anti -seismic performance of heat exchange device under the condition of guaranteeing the structural integrity. Heat exchange device is generally fixedly connected by welding by outer cylinder, heat transfer pipe, inner cylinder, skirt, positioning block, pad strip, rack, tube plate and other components, considering that it has multiple different structural components, the complexity is higher, and adaptive planning needs to be made when arranging sensor. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model aims at providing a heat exchange device anti -seismic test system to solve the deficiency in prior art.

[0004] In order to achieve the above object, the utility model is realized by the following technical scheme:

[0005] Provide a heat exchange device anti -seismic test system to obtain the anti -seismic performance of heat exchange device, and the heat exchange device is fixedly connected by welding by outer cylinder, heat transfer pipe, inner cylinder, skirt, positioning block, pad strip and rack, and the heat transfer pipe is coiled between the inner cylinder and the outer cylinder, and is composed of upper heat transfer pipe closing section, middle heat transfer pipe and lower heat transfer pipe closing section, wherein, including vibration test bench, acceleration sensor, strain gauge, displacement sensor and data acquisition recording system, the vibration test bench is connected with the heat exchange device, the acceleration sensor, the strain gauge and the displacement sensor are connected with the data acquisition recording system respectively and are arranged at the specified position of the heat exchange device.

[0006] As the heat exchange device anti -seismic test system, wherein, the acceleration sensor has 36, wherein 3 are arranged at the edge of the bottom plate of the skirt of the heat exchange device, 3 are arranged at the top edge of the outer cylinder of the heat exchange device, 6 are arranged at the outer side end of the positioning block of the heat exchange device, 12 are arranged at the upper heat transfer pipe closing section and the lower heat transfer pipe closing section of the heat exchange device, 6 are arranged at the middle heat transfer pipe of the heat exchange device, and 6 are arranged at the pad strip of the heat exchange device at the outermost layer, and each position measures radial, circumferential and axial acceleration respectively.

[0007] The strain gauges are 28, wherein 4 are arranged at the welding root of the positioning block of the heat exchange device and the inner cylinder body, the measuring direction is along the length direction of the positioning block, 8 are arranged at the upper root surface of the rack of the heat exchange device, the measuring direction is along the vertical direction of the rack, and 16 are arranged at the outer side end of the positioning block of the heat exchange device, and the measuring direction is along the axial direction of the heat transfer pipe.

[0008] The displacement sensors are 3, are arranged at the top outer edge of the outer cylinder body of the heat exchange device, and respectively measure radial displacement data, circumferential displacement data and axial displacement data.

[0009] The analog seismic wave parameters input into the controller of the vibration test table include frequency, amplitude and time.

[0010] The heat exchange device anti-seismic test system has the advantages that:

[0011] The arrangement positions of the acceleration sensor, the strain gauges and the displacement sensors are reasonably planned, the state of the heat exchange device under the condition of the seismic wave can be effectively simulated in the simulation seismic vibration table test process, the performance index of the heat exchange device can be effectively obtained, the obtained data can better simulate the actual value under the seismic condition, and the obtained data can be used for comparison and analysis of the calculated value, and the design verification of the heat exchange device is completed. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to further illustrate the above purposes, structural characteristics and effects of the utility model, the utility model will be described in detail below with reference to the drawings.

[0013] Figure 1 It is a heat exchange device structural schematic view of the preferred embodiment of the utility model;

[0014] Figure 2 It is an anti-seismic test system logic structural block diagram of the preferred embodiment of the utility model;

[0015] Figure 3 It is an arrangement schematic view of the acceleration sensor, the strain gauges and the displacement sensors on the heat exchange device of the preferred embodiment of the utility model;

[0016] In the figure, 0 is a heat exchange device, 1 is an outer cylinder body, 2 is a heat transfer pipe, 3 is an inner cylinder body, 4 is a skirt, 5 is a positioning block, 6 is a pad strip, 7 is a rack, 8 is a tube plate, 9 is a vibration test table, 10 is an acceleration sensor, 11 is a strain gauge, 12 is a displacement sensor, and 13 is a data acquisition and recording system. DETAILED DESCRIPTION

[0017] The terms "invention" and "the present invention" used in this specification are intended to refer broadly to all of the subject matter of this specification and any patent claims below. Statements containing these terms should be understood not to limit the subject matter described herein or to limit the meaning or scope of any patent claims below. Furthermore, this specification does not intend to describe or limit the subject matter to any particular aspect of the application. The subject matter should be understood to include all possible combinations of the individual aspects of the application. The application can have other embodiments and be practiced or carried out in other ways not specifically described herein. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.

[0018] The details of the application will now be discussed with reference to the drawings, which are provided by way of example only, and in which like reference numerals refer to similar elements or components throughout the various figures.

[0019] The use of "including," "having," "containing," and "comprising" and variations thereof herein are meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Although the terms above such as upper, lower, upward, downward, rearward, frontward, back, forth, back-and-forth, left, right, front, rear, etc. can be used in this specification to describe one or more embodiment of the application, the application should not be limited thereby. Such terms are not to be interpreted in an absolute sense, but are used by way of reference to the overall men's of the figures. In addition, terms such as "first", "second", "third", etc. are used herein for purposes of illustration and description only and are not intended to provide any quality or characteristic with the same.

[0020] The anti-vibration test system for heat exchange device of the present application is used to obtain the anti-vibration performance of the heat exchange device. Referring to Figure 1 As shown in the figure, the heat exchange device 0 is fixedly connected by welding with the outer cylinder 1, the heat transfer pipe 2, the inner cylinder 3, the skirt 4, the positioning block 5, the pad strip 6, the rack 7, the tube plate 8 and other components. The heat transfer pipe 2 is coiled between the inner cylinder 3 and the outer cylinder 1 and is composed of the upper heat transfer pipe closing section, the middle heat transfer pipe and the lower heat transfer pipe closing section. Referring to Figure 2 As shown in the figure, the anti-vibration test system comprises the vibration test table 9, the acceleration sensor 10, the strain gauge 11, the displacement sensor 12 and the data acquisition and recording system 13. The heat exchange device 0 is connected to the vibration test table 9 through the fixing bolt. The acceleration sensor 10, the strain gauge 11 and the displacement sensor 12 are respectively connected to the data acquisition and recording system 13 and are arranged at the specified positions of the heat exchange device 0.

[0021] Continuing to refer to Figure 1 and Figure 3As shown, the acceleration sensor 10 has 36, of which 3 are arranged at the bottom edge of the skirt 4 of the heat exchange device 0, 3 are arranged at the top edge of the outer cylinder 1 of the heat exchange device 0, 6 are arranged at the outer end of the positioning block 5 of the heat exchange device 0, 12 are arranged at the upper and lower heat pipe closing sections of the heat exchange device 0, 6 are arranged at the middle heat pipe of the heat exchange device 0, and 6 are arranged at the outermost gasket 6 of the heat exchange device 0. The specific arrangement positions are shown in Table 1:

[0022] Table 1

[0023]

[0024] The strain gauge 11 has 28, of which 4 are arranged at the welded root of the positioning block 5 and the inner cylinder 3 of the heat exchange device 0, the measurement direction being along the length direction of the positioning block 5, 8 are arranged at the upper root surface of the rack 7 of the heat exchange device 0, the measurement direction being along the vertical direction of the rack 7, and 16 are arranged at the outer end of the positioning block 5 of the heat exchange device 0, the measurement direction being along the axial direction of the heat pipe 2. The specific arrangement positions are shown in Table 2:

[0025] Table 2

[0026]

[0027]

[0028] The displacement sensor 12 has 3, all arranged at the top outer edge of the outer cylinder 1 of the heat exchange device 0. The specific arrangement positions are shown in Table 3:

[0029] Table 3

[0030]

[0031] The controller of the vibration test bench 9 inputs the analog seismic wave parameters including frequency, amplitude and time.

[0032] In the vibration laboratory, the heat exchange device 0 is fixedly connected with the vibration table, the acceleration sensor 10, the strain gauge 11 and the displacement sensor 12 are arranged at the specified positions of the heat exchange device 0 and fixedly connected with the heat exchange device 0, the lead wires of the strain gauge 11, the displacement sensor 12 and the acceleration sensor 10 are connected to the data acquisition and recording system 13, the frequency, amplitude and time are input in the vibration table controller, the vibration table is operated to carry out the simulated seismic vibration table test, after each vibration test is completed, the collected data is checked and recorded, the changes of the structure frequency and damping are paid attention to, the structure of the test piece is checked under the condition that the test personnel wear safety helmets, the changes of the structure of the test piece after loading and the integrity of the structure are observed.

[0033] The utility model discloses a reasonable planning arrangement position of acceleration sensor, strain gauge and displacement sensor, can effectively simulate the state of heat exchange device under the condition of seismic wave in the process of simulation earthquake vibrating table test, effectively obtains the performance index of heat exchange device, and the data obtained can better simulate the actual value under the condition of earthquake, and can be used for comparison and analysis calculation value, completes heat exchange device design verification.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model, and for those skilled in the art, it should be realized that the scheme obtained by equivalent replacement and obvious change of the utility model specification and drawing content should be contained in the protection scope of the utility model.

Claims

1. A heat exchanger seismic test system is used to determine the seismic performance of a heat exchanger. The heat exchanger consists of an outer cylinder, heat transfer tubes, an inner cylinder, a skirt, positioning blocks, spacers, and racks, which are fixedly connected by welding. The heat transfer tubes are coiled between the inner and outer cylinders and consist of an upper heat transfer tube end section, a middle heat transfer tube, and a lower heat transfer tube end section. The system is characterized by: The device comprises a vibration test bench, an acceleration sensor, a strain gauge, a displacement sensor and a data acquisition and recording system. The vibration test bench is connected to a heat exchange device. The acceleration sensor, the strain gauge and the displacement sensor are respectively connected to the data acquisition and recording system and arranged at designated positions of the heat exchange device.

2. The heat exchange device seismic test system according to claim 1, characterized in that: There are 36 acceleration sensors, of which 3 are arranged on the bottom plate edge of the skirt of the heat exchanger, 3 are arranged on the top edge of the outer cylinder of the heat exchanger, 6 are arranged on the outer end of the positioning block of the heat exchanger, 12 are arranged on the upper and lower heat transfer tube end sections of the heat exchanger, 6 are arranged on the middle heat transfer tube of the heat exchanger, and 6 are arranged on the outermost gasket of the heat exchanger. The radial, circumferential and axial accelerations are measured at each position respectively.

3. The heat exchange device seismic test system according to claim 1, characterized in that: There are 28 strain gauges, 4 of which are arranged at the welding root of the positioning block and the inner cylinder of the heat exchange device, and the measuring direction is along the length direction of the positioning block; 8 are arranged on the upper root surface of the rack of the heat exchange device, and the measuring direction is along the vertical direction of the rack; 16 are arranged at the outer end of the positioning block of the heat exchange device, and the measuring direction is along the axial direction of the heat transfer tube.

4. The heat exchange device seismic test system according to claim 1, characterized in that: There are three displacement sensors, all arranged at the top outer edge of the outer cylinder of the heat exchange device, for measuring radial, circumferential and axial displacement data respectively.

5. The heat exchange device seismic test system according to claim 1, characterized in that: The simulated seismic wave parameters input into the controller of the vibration test bench include frequency, amplitude and time.

Images