Supporting beam high-pressure multi-point temperature measuring device

Abstract

The utility model provides a supporting beam high-pressure multi-point temperature measuring device which comprises a sealing cavity connecting pipe, a flange seat is arranged at one end of the sealing cavity connecting pipe, a connecting pipe is arranged at the other end of the sealing cavity connecting pipe, and a first sealing plug is arranged between the sealing cavity connecting pipe and the flange seat. A second sealing plug is arranged between the sealing cavity connecting pipe and the connecting pipe, a plurality of armored thermocouple sensors are arranged in the sealing cavity connecting pipe, a supporting beam is further arranged on the flange base, one end of each armored thermocouple sensor penetrates through the flange base and is arranged on the supporting beam, and the other end of each armored thermocouple sensor penetrates through the connecting pipe and then is connected with a junction box. The temperature measuring device has the advantages that the sheathed thermocouple sensors are fixed on the corresponding support beams, the response time can be shortened, the service life can be prolonged, the leakage of a high-pressure medium can be effectively prevented, and the temperature measuring working condition requirements of a high-pressure reactor can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of temperature measuring equipment, in particular to a support beam high pressure multi -point temperature measuring device. BACKGROUND

[0002] Fixed bed high pressure hydrogenation device due to have very strong raw material adaptability and processing flexibility, can realize the clean efficient utilization of residual oil, economic benefit is high, is the current petrochemical industry application more residual oil treatment device, and still in the continuous new construction. At present hydrogenation device reactor mostly take fixed bed reactor as the example, to bed layer temperature measurement multi -point thermocouple need radial arrangement in the reactor. Because the reactor is high temperature high pressure container, it is not appropriate to open too many, ordinary thermocouple has not met the requirement, existing multi -point thermocouple application in the reactor, mainly exist armored couple material wall thickness is thin, cannot satisfy the long -term use requirement problem, when installing and using, because there is no support, armored cable is easy to bend, lead to temperature measurement inaccuracy, poor sealing performance, in the high temperature working condition of high pressure hydrogenation, also lead to the high risk of leakage, if with protection sleeve, it will affect thermocouple thermal response time, cannot fast response temperature change, in addition, reactor equipment interface place medium is easy to condense, condensate accumulation is easy to corrode. The sealing weld position is far away from the equipment interface, can effectively avoid the corrosion of the weld, cause the failure of the temperature measuring device. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present utility model is to provide a support beam high pressure multi-point temperature measuring device, which solves the technical problem that the existing multi-point thermocouple cannot be applied to the reactor.

[0004] To achieve the above-mentioned purposes and other related purposes, the utility model provides a support beam high pressure multi-point temperature measuring device, comprising:

[0005] A sealing cavity connecting pipe is provided with a flange seat at one end and a connecting pipe at the other end.

[0006] A first sealing plug is arranged between the sealing cavity connecting pipe and the flange seat, and a second sealing plug is arranged between the sealing cavity connecting pipe and the connecting pipe.

[0007] A plurality of armored thermocouple sensors are arranged in the sealing cavity connecting pipe, the flange seat is further provided with a support beam, one end of the armored thermocouple sensor passes through the flange seat and is arranged on the support beam, and the other end of the armored thermocouple sensor passes through the connecting pipe and is connected to a junction box.

[0008] The application has the advantages that the armored thermocouple sensor is fixed on the corresponding support beam during design, can directly contact with the medium, shortens the response time, and the first sealing plug and the second sealing plug are arranged on the two sides of the sealing cavity connecting pipe, which effectively prevents high-pressure medium leakage, the first sealing plug and the second sealing plug are away from the equipment interface, on the one hand, the sealing position can avoid condensation corrosion, and on the other hand, the sealing welding is away from the stress concentration point of the armored cable swing, which avoids the stress fatigue of the armored cable at the sealing position and prevents the armored cable from breaking, thereby preventing the temperature measuring device from being damaged or leaking, and the temperature can be measured quickly, high-pressure medium leakage can be prevented, and the temperature measuring working condition demand of the high-pressure reactor can be met.

[0009] Optionally, the first sealing plug is provided with a plurality of through holes, the armored thermocouple sensor corresponds to the through holes one by one, the armored thermocouple sensor passes through the corresponding through hole, and the two sides of the through hole are respectively provided with a sealing assembly.

[0010] Optionally, the second sealing plug is provided with a plurality of sealing holes, the armored thermocouple sensor corresponds to the sealing holes one by one, the armored thermocouple sensor passes through the corresponding sealing hole, and the sealing hole close to the orifice of the connecting pipe is provided with a sealing assembly.

[0011] Optionally, a pressure gauge or a pressure transmitter is arranged on the sealing cavity connecting pipe.

[0012] Optionally, a double-valve group stop valve is further arranged between the pressure gauge or the pressure transmitter and the sealing cavity connecting pipe.

[0013] Optionally, each armored thermocouple sensor in the connecting pipe is connected with the junction box through a cable.

[0014] Optionally, the sealing assembly is a sealing sleeve, the sealing sleeve is sleeved on the corresponding armored thermocouple sensor, and the outer wall of the sealing sleeve is attached to the corresponding through hole or sealing hole.

[0015] Optionally, the sealing sleeve and the outer wall of the corresponding armored thermocouple sensor are sealed, and the outer wall of the sealing sleeve and the corresponding through hole or sealing hole are sealed.

[0016] Optionally, the connecting pipe and the sealing cavity connecting pipe are connected through an annular connecting seat, the annular connecting seat is fixed on the second sealing plug through bolts, and the connecting pipe is installed on the annular connecting seat.

[0017] Optionally, the support beam is circumferentially provided with a plurality of fixing gaps, and all the armored thermocouple sensors are arranged around the support beam.

[0018] As described above, the utility model discloses a kind of support beam high-pressure multi-point temperature measuring devices, with following beneficial effects: the armored thermocouple sensor is fixed on corresponding support beam, can directly contact with medium, shorten response time, first sealing plug and second sealing plug are respectively arranged at the both sides of sealing cavity connecting pipe, effectively prevent high-pressure medium leakage, the position of this first sealing plug and second sealing plug is away from equipment interface, on the one hand, can avoid condensation corrosion in sealing position, cause temperature measuring device damage or leakage. On the other hand, sealing welding is away from the stress concentration point of armored cable swing, avoid armored cable stress fatigue and break in sealing position, cause temperature measuring device damage or leakage, the temperature measuring device can shorten response time, and can improve service life, effectively prevent high-pressure medium leakage, can meet the temperature measuring working condition demand of high-pressure reactor. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is shown as sectional structure schematic diagram in one embodiment of the utility model;

[0020] Figure 2 It is shown as installation structure schematic diagram in one embodiment of the utility model;

[0021] Figure 3 It is shown as Figure 1 Local enlarged view in X place;

[0022] Figure 4 It is shown as Figure 2 Sectional structure schematic diagram in A-A.

[0023] Part number explanation

[0024] 1 sealing cavity connecting pipe

[0025] 101 first sealing plug

[0026] 102 second sealing plug

[0027] 2 flange seat

[0028] 3 connecting pipe

[0029] 4 armored thermocouple sensor

[0030] 5 support beam

[0031] 6 junction box

[0032] 7 interface flange

[0033] 8 lug DETAILED DESCRIPTION

[0034] The embodiments of the present application will be described in detail by specific examples below, and other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the present specification. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the present specification based on different views and applications without departing from the spirit of the present application.

[0035] Please refer to Figures 1 to 4 It should be noted that the diagrams provided in the present embodiment only schematically illustrate the basic concept of the present application, and only show the components related to the present application in the diagrams, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component when implemented can be arbitrarily changed, and the component layout pattern can also be more complex. The structure, proportion, size, etc. shown in the drawings of the present specification are only used to understand and read the content disclosed in the present specification by those skilled in the art, and do not limit the conditions under which the present application can be implemented, so they do not have substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that the present application can produce, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for the convenience of understanding and clarity of description, not for limiting the scope in which the present application can be implemented. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope in which the present application can be implemented.

[0036] Please refer to Figures 1 to 4 As shown in the drawings, the present application provides a kind of support beam high pressure multi-point temperature measuring device, comprising:

[0037] Sealing cavity connecting pipe 1, flange seat 2 is provided in one end of sealing cavity connecting pipe 1, connecting pipe 3 is provided in the other end of sealing cavity connecting pipe 1;

[0038] First sealing plug 101 is provided between sealing cavity connecting pipe 1 and flange seat 2, second sealing plug 102 is provided between sealing cavity connecting pipe 1 and connecting pipe 3;

[0039] A plurality of armored thermocouple sensors 4 are provided in sealing cavity connecting pipe 1, support beam 5 is further provided on flange seat 2, one end of armored thermocouple sensor 4 passes through flange seat 2 and is arranged on support beam 5, the other end of armored thermocouple sensor 4 passes through connecting pipe 3 and is connected to junction box 6.

[0040] Exemplarily, the first sealing plug 101 is provided with a plurality of through holes, the armored thermocouple sensor 4 corresponds to the through holes one by one, the armored thermocouple sensor 4 passes through the corresponding through hole, and the two sides of the through hole are respectively provided with a sealing assembly. The sealing assemblies on the two sides of the first sealing plug 101 form a first level sealing and a second level sealing, respectively.

[0041] It also needs to be explained that the purpose of providing the through holes on the first sealing plug 101 is to guide the arrangement of the armored thermocouple sensor 4, and at the same time, the through holes can reduce the gap between the armored thermocouple sensor 4 and the first sealing plug 101, so as to facilitate the sealing treatment of the first sealing plug 101 and the armored thermocouple sensor 4.

[0042] Exemplarily, the second sealing plug 102 is provided with a plurality of sealing holes, the armored thermocouple sensor 4 corresponds to the sealing holes one by one, the armored thermocouple sensor 4 passes through the corresponding sealing hole, and the sealing hole is provided with a sealing assembly near the hole opening of the connecting pipe 3. The sealing assembly between the second sealing plug and the corresponding armored thermocouple sensor 4 forms a third level sealing, and the first level sealing and the second level sealing at the first sealing plug 101 together form a three-layer sealing structure.

[0043] It also needs to be explained that the purpose of providing the sealing holes on the second sealing plug 102 is to guide the arrangement of the armored thermocouple sensor 4, and at the same time, the sealing holes can reduce the gap between the armored thermocouple sensor 4 and the second sealing plug 102, so as to facilitate the sealing treatment of the second sealing plug 102 and the armored thermocouple sensor 4.

[0044] Exemplarily, the sealing cavity connecting pipe 1 is provided with a pressure gauge or a pressure transmitter.

[0045] It also needs to be explained that the purpose of providing the pressure gauge or the pressure transmitter is to detect in time when the first and second level sealings fail, so as to take effective measures and improve the safety of the temperature measuring device.

[0046] Exemplarily, the pressure gauge or the pressure transmitter and the sealing cavity connecting pipe 1 are further provided with a double valve group stop valve.

[0047] It also needs to be explained that the purpose of providing the double valve group stop valve between the pressure gauge or the pressure transmitter and the sealing cavity connecting pipe 1 is that the double valve group stop valve can safely separate the pressure measuring instrument from the process during debugging, maintenance or calibration. In this way, accidents can be prevented during operation, and the safety of the operator can be protected.

[0048] Exemplarily, each of the armored thermocouple sensors 4 in the connecting pipe 3 is connected with the junction box 6 through a cable.

[0049] It is also necessary to point out that the purpose of connecting the armored thermocouple sensor 4 and the junction box 6 through the cable is mainly to transmit the thermoelectric power signal generated by the thermocouple to the display instrument or other measuring devices, so as to realize the measurement and monitoring of the temperature.

[0050] Exemplarily, the sealing assembly is a sealing sleeve, which is sleeved on the corresponding armored thermocouple sensor 4, and the outer wall of the sealing sleeve is attached to the corresponding through hole or sealing hole.

[0051] Exemplarily, the sealing treatment is performed between the outer wall of the sealing sleeve and the corresponding armored thermocouple sensor 4, and between the outer wall of the sealing sleeve and the corresponding through hole or sealing hole.

[0052] It is also necessary to point out that a total of three sealing structures are adopted on the first sealing plug 101 and the second sealing plug 102, and the medium needs to break through three layers of sealing to leak out, which greatly improves the safety and reliability under high-pressure working conditions.

[0053] At the same time, the sealing position is far away from the equipment mounting port, which can avoid condensation corrosion at the sealing position, causing damage or leakage of the temperature measuring device, and on the other hand, the sealing welding is far away from the stress concentration point of the armored cable swing, avoiding the stress fatigue of the armored cable at the sealing position and causing the temperature measuring device to be damaged or leaked, thereby improving the service life of the temperature measuring device.

[0054] Exemplarily, the connecting pipe 3 is connected with the sealing cavity connecting pipe 1 through an annular connecting seat, the annular connecting seat is fixed on the second sealing plug 102 through bolts, and the connecting pipe 3 is installed on the annular connecting seat.

[0055] It is also necessary to point out that the purpose of setting the annular connecting seat is to connect the connecting pipe 3 and the sealing cavity connecting pipe 1, and a sealing gasket is also arranged between the annular connecting seat and the sealing cavity connecting pipe 1.

[0056] Exemplarily, the support beam 5 is circumferentially provided with a plurality of fixed gaps, and all the armored thermocouple sensors 4 are arranged around the support beam 5.

[0057] It is also necessary to point out that the purpose of arranging the armored thermocouple sensor 4 around the support beam 5 is to make the armored thermocouple sensor 4 uniformly distributed in the process of directly contacting with the medium, shorten the response time, and in addition, avoid the bending of the armored thermocouple sensor, which causes the temperature measuring point position to deviate and leads to inaccurate temperature measurement.

[0058] Further, the reactor is provided with a corresponding interface flange 7, which is used to be connected with the flange seat 2 through bolts, and is provided with an ear 8, which is provided with a U-shaped bolt, used to fix the inserted support beam 5, and the signal cable is connected with the control system through the junction box 6, that is, the installation of the support beam high-voltage multi-point temperature measuring device is completed.

[0059] In one embodiment, the ear 8 includes a support plate and a positioning plate, the support plate is perpendicular to the positioning plate, the support beam 5 is placed on the positioning plate, the support plate is used to strengthen the stability of the positioning plate, the support plate is a triangular structure, and the support beam 5 and the positioning plate are fixed by the U-shaped bolt.

[0060] In summary, the support beam high-voltage multi-point temperature measuring device of the utility model, the armored thermocouple sensor 4 is fixed on the corresponding support beam 5, can directly contact with the medium, shortens the response time, and the first sealing plug and the second sealing plug are arranged on the two sides of the sealed cavity connecting pipe 1 respectively, effectively prevent high-pressure medium leakage, the first sealing plug and the second sealing plug are away from the equipment interface, on the one hand, the sealing position can avoid condensation corrosion, causing the temperature measuring device to be damaged or leaked. On the other hand, the sealing welding is away from the stress concentration point of the armored cable swing, avoiding the armored cable from being broken due to stress fatigue at the sealing position, causing the temperature measuring device to be damaged or leaked, the temperature measuring device can shorten the response time, improve the service life, effectively prevent high-pressure medium leakage, and meet the temperature measuring working condition demand of the high-pressure reactor.

[0061] The above embodiments only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the utility model should be covered by the claims of the utility model.

Claims

1. A support beam high pressure multi-point temperature measurement device, characterized by, The utility model relates to a sealed cavity connecting pipe, which comprises a flange seat at one end and a connecting pipe at the other end. A first sealing plug is arranged between the sealed cavity connecting pipe and the flange seat, and a second sealing plug is arranged between the sealed cavity connecting pipe and the connecting pipe. A plurality of armored thermocouple sensors are arranged in the sealed cavity connecting pipe, and a support beam is arranged on the flange seat. One end of the armored thermocouple sensor passes through the flange seat and is arranged on the support beam, and the other end of the armored thermocouple sensor passes through the connecting pipe and is connected to a junction box.

2. The support beam high-voltage multi-point temperature measurement device according to claim 1, characterized in that: The first sealing plug is provided with a plurality of through holes, and the armored thermocouple sensor corresponds to the through hole one by one.

3. The high-voltage multi-point temperature measurement device of claim 2, wherein: The armored thermocouple sensor passes through the corresponding sealing hole, and the sealing assembly is arranged on both sides of the through hole.

4. The high-voltage multi-point temperature measurement device of claim 3, wherein: A plurality of sealing holes are arranged on the second sealing plug, and the armored thermocouple sensor corresponds to the sealing hole one by one.

5. The high-voltage multi-point temperature measurement device of claim 4, wherein: The armored thermocouple sensor passes through the corresponding sealing hole, and the sealing assembly is arranged on the hole opening of the sealing hole close to the connecting pipe.

6. The high-voltage multi-point temperature measurement device of claim 5, wherein: A pressure gauge or a pressure transmitter is arranged on the sealed cavity connecting pipe.

7. The high-voltage multi-point temperature measurement device of claim 6, wherein: A double valve group stop valve is further arranged between the pressure gauge or the pressure transmitter and the sealed cavity connecting pipe.

8. The high-voltage multi-point temperature measurement device of claim 7, wherein: Each armored thermocouple sensor in the connecting pipe is connected to the junction box through a cable.

9. The high-voltage multi-point temperature measurement device of claim 8, wherein: The sealing assembly is a sealing sleeve, which is sleeved on the corresponding armored thermocouple sensor.

10. The high-voltage multi-point temperature measurement device of claim 9, wherein: The outer wall of the sealing sleeve is attached to the corresponding through hole or sealing hole. The outer wall of the sealing sleeve is sealed with the corresponding armored thermocouple sensor, and the outer wall of the sealing sleeve is sealed with the corresponding through hole or sealing hole. The connecting pipe and the sealed cavity connecting pipe are connected through an annular connecting seat, which is fixed on the second sealing plug by bolts. The connecting pipe is installed on the annular connecting seat. The support beam is circumferentially provided with a plurality of fixing gaps, and all the armored thermocouple sensors are arranged around the support beam.

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