Mounting structure, temperature sensor and reaction kettle

Abstract

The utility model relates to the technical field of sensor mounting equipment, in particular to a mounting structure, a temperature sensor and a reaction kettle, the mounting structure comprises a flange, a base plate and a lining plate, the base plate is positioned on one side of the flange, a first mounting hole is formed in the center of the base plate, and the lining plate is positioned on the other side of the flange. By additionally arranging the base plate, the direct acting force of negative pressure in the reaction kettle on the joint of the temperature measuring rod can be dispersed, the overall structural strength of the mounting structure is enhanced, the risk of tearing the lining is reduced, the service life of the temperature sensor is prolonged, the maintenance cost of equipment is reduced, and the service life of the temperature sensor is prolonged by enhancing the stability of the mounting structure. According to the utility model, the temperature measurement accuracy of the temperature sensor is ensured, production safety accidents and environmental protection risks caused by inaccurate temperature measurement are avoided, and the production safety and stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor installation equipment technical field especially installation structure, temperature sensor and reaction kettle. BACKGROUND

[0002] In the chemical production process, the reaction kettle as the core equipment, its internal temperature accurate monitoring is important to guarantee the reaction smoothly, product quality and production safety. At present, the reaction kettle adopts steel lining PFA or lining tetrafluoro (due to some specific material strong corrosive, cannot select stainless steel, titanium alloy or other corrosion -resistant material, only can adopt PFA, tetrafluoroethylene etc. Material) temperature sensor carries out temperature measurement, however, due to the complex working condition inside the reaction kettle, especially the joint action of high temperature and negative pressure, the connecting place of flange and measuring rod is prone to fracture, resulting in temperature sensor damage, even the corrosion of temperature sensor can cause metal ions into material, not only increase the equipment maintenance cost, also can seriously pollute material, influence product quality, in addition, it can also cause inaccurate temperature measurement, cause safety accidents, cause environmental pollution, therefore, we urgently need an installation mechanism. SUMMARY

[0003] The applicant provides an installation structure, temperature sensor and reaction kettle in view of the above-mentioned defects in the prior art production technology, which can disperse the direct force of the negative pressure in the reaction kettle on the connecting place of the temperature measuring rod by improving the installation structure, thereby improving the service life of the temperature sensor.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] An installation structure comprises a flange, a backing plate and a gasket, the gasket is located on one side of the flange, a first mounting hole is formed in the center of the gasket, and the backing plate is located on the other side of the flange.

[0006] Therefore, by adding the gasket, the direct force of the negative pressure in the reaction kettle on the connecting place of the temperature measuring rod can be dispersed, the overall structural strength of the installation structure is enhanced, the risk of liner tearing is reduced, the service life of the temperature sensor is improved, the maintenance cost of the equipment is reduced, in addition, by enhancing the stability of the installation structure, the corrosion of the temperature sensor is reduced, the accuracy of temperature measurement of the temperature sensor is ensured, production safety accidents and environmental protection risks caused by inaccurate temperature measurement are avoided, and the safety and stability of production are improved.

[0007] As a further improvement of the above technical scheme: the diameter of the flange is d1, the diameter of the gasket is d2, and the outer diameter of the backing plate is d3.

[0008] As a further improvement of the above technical solution: d1=d2; d1=d3.

[0009] As a further improvement of the above technical solution: d1>d2.

[0010] As a further improvement of the above technical solution: the gasket plate is made of a polyethylene plate, a fluorine plate, a steel-lined fluorine plate, a cylinder body sprayed fluorine plate, or an enamel plate. Thus, the gasket plate has good chemical corrosion resistance, can adapt to the high temperature environment inside the reaction kettle, and has a certain buffering effect, effectively preventing the corrosion of the temperature sensor and the resulting material pollution caused by the dripping of the corrosive liquid, ensuring product quality and reducing the loss of materials in the reaction kettle.

[0011] As a further improvement of the above technical solution: the thickness of the gasket plate is h, and h=20mm.

[0012] As a further improvement of the above technical solution: the gasket plate includes a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are arc-shaped on the side away from the gasket plate, the first arc-shaped plate is provided with a fixing block, the second arc-shaped plate is provided with a fixing groove, and the fixing block and the fixing groove are matched. Thus, the first arc-shaped plate and the second arc-shaped plate with arc-shaped surfaces can make the installed temperature sensor tightly fit the side wall of the reaction kettle without gaps.

[0013] As a further improvement of the above technical solution: the flange is provided with a plurality of second mounting holes, the gasket plate is provided with a plurality of third mounting holes, the first arc-shaped plate and the second arc-shaped plate are each provided with a plurality of fourth mounting holes, and the fixing block is provided with a fifth mounting hole; further comprising: a plurality of fixing members, the fixing members penetrating through the third mounting holes, the second mounting holes, the fourth mounting holes, and the fifth mounting hole.

[0014] A temperature sensor, comprising: a mounting structure, a temperature sensor body, a temperature measuring rod, and a bushing, the temperature sensor body being connected with the temperature measuring rod, the bushing being sleeved on the outside of the temperature measuring rod, a flange being integrally formed with the bushing, and a gasket plate and a lining plate being sleeved on the bushing; the material of the bushing being steel-lined PFA or fluorine lining. Thus, the bushing is used to protect the temperature measuring rod from corrosion caused by materials.

[0015] A reaction kettle, comprising: a temperature sensor.

[0016] The beneficial effects of the present utility model are as follows:

[0017] The utility model discloses through the additional shim, can disperse the direct force of the negative pressure in the reaction kettle to the temperature measuring rod connecting place, has strengthened the structural strength of the whole of installation structure, has reduced the risk of bush tearing, to improve the service life of temperature sensor, to reduce the maintenance cost of equipment, in addition, through the stability of installation structure is strengthened, reduces the pay -off of temperature sensor being corroded, has guaranteed the accuracy of temperature sensor temperature measurement, avoided the production safety accident and environmental protection risk that the temperature measurement is not accurate and caused, improved the security and stability of production.

[0018] The utility model also includes the following advantages:

[0019] 1, the shim of the utility model has good chemical corrosion resistance, can adapt to the high temperature environment in the reaction kettle, in addition, still has certain buffering effect, effectively prevents the corrosion of temperature sensor and causes the material pollution problem of corrosion liquid drop leakage, guarantees product quality, reduces the loss of material in the reaction kettle.

[0020] 2, the first arc plate of arc surface, second arc plate of the utility model can make the temperature sensor after installation and the side wall of reaction kettle closely fit without gap.

[0021] 2, the bush of the utility model is used for protecting temperature measuring rod to prevent the corrosion of material to temperature measuring rod. DRAWINGS

[0022] Figure 1 It is the structural diagram of the installation structure of example one;

[0023] Figure 2 It is the explosion drawing of the installation structure of example one;

[0024] Figure 3 It is the sectional view of the shim of example one;

[0025] Figure 4 It is the explosion drawing of the lining plate of example one;

[0026] Figure 5 It is the structural diagram of the installation structure and temperature sensor first visual angle of example three;

[0027] Figure 6 It is the structural diagram of the installation structure and temperature sensor second visual angle of example three.

[0028] Wherein: 1, flange;

[0029] 101, second mounting hole;

[0030] 2, shim;

[0031] 201, first mounting hole;202, third mounting hole;

[0032] 3. Lining plate;

[0033] 301, First arc-shaped plate; 3011, Fixing block; 3012, Fifth mounting hole; 302, Second arc-shaped plate; 3021, Fixing groove; 303, Fourth mounting hole;

[0034] 4. Fasteners;

[0035] 5. Temperature sensor body;

[0036] 6. Temperature measuring rod;

[0037] 7. Bushing. Detailed Implementation

[0038] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0039] Example 1:

[0040] like Figures 1 to 4 As shown, an installation structure includes: a flange 1, a gasket 2, and a liner 3. The gasket 2 is located on one side of the flange 1, and a first mounting hole 201 is formed at the center of the gasket 2. The liner 3 is located on the other side of the flange 1. Therefore, by adding the gasket 2, the direct force of the negative pressure inside the reactor on the connection of the temperature measuring rod 6 can be dispersed, enhancing the overall structural strength of the installation structure, reducing the risk of tearing of the bushing 7, thereby increasing the service life of the temperature sensor and reducing equipment maintenance costs. Furthermore, by enhancing the stability of the installation structure, the risk of corrosion of the temperature sensor is reduced, ensuring the accuracy of temperature measurement by the temperature sensor, avoiding production safety accidents and environmental risks caused by inaccurate temperature measurement, and improving the safety and stability of production.

[0041] Specifically, the first mounting hole 201 matches the bushing 7 to ensure that the bushing 7 and the gasket 2 fit tightly without gaps; the side of the first mounting hole 201 near the flange 1 has no sharp angle to avoid stress concentration.

[0042] In this embodiment, the diameter of flange 1 is d1, the diameter of gasket 2 is d2, and the outer diameter of liner 3 is d3, where d1=d2 and d1=d3. Specifically, holes are drilled in gasket 2 according to the gap of flange 1.

[0043] In this embodiment, the gasket 2 is made of polyethylene sheet, PTFE sheet, PTFE-lined steel sheet, PTFE-coated cylinder sheet, or enamel sheet; the thickness of the gasket 2 is h, where h = 20 mm. Therefore, the gasket 2 has good chemical corrosion resistance, can adapt to the high-temperature environment inside the reactor, and also has a certain buffering effect, effectively preventing material contamination caused by corrosive liquid leakage due to temperature sensor corrosion, ensuring product quality, and reducing material loss inside the reactor.

[0044] In the embodiment, the lining plate 3 comprises: a first arc-shaped plate 301 and a second arc-shaped plate 302, the first arc-shaped plate 301 and the second arc-shaped plate 302 are arc-shaped surfaces away from the side surface of the gasket plate 2, the first arc-shaped plate 301 is provided with a fixing block 3011, the second arc-shaped plate 302 is provided with a fixing groove 3021, and the fixing block 3011 is matched with the fixing groove 3021. Therefore, the first arc-shaped plate 301 and the second arc-shaped plate 302 of the arc-shaped surface can make the installed temperature sensor closely contact with the side wall of the reaction kettle without gap.

[0045] Specifically, the process of sleeving the lining plate 3 to the outer circumferential surface of the bushing 7 is: the first arc-shaped plate 301 and the second arc-shaped plate 302 are respectively placed on the two sides of the bushing 7, then the first fixing block 3011 is aligned with the fixing groove 3021, and the first arc-shaped plate 301 is pushed to the side close to the second arc-shaped plate 302 until the first arc-shaped plate 301 contacts the second arc-shaped plate 302, so that the lining plate 3 is sleeved.

[0046] In the embodiment, the flange 1 is provided with a plurality of second installation holes 101, the gasket plate 2 is provided with a plurality of third installation holes 202, the first arc-shaped plate 301 and the second arc-shaped plate 302 are both provided with a plurality of fourth installation holes 303, and the fixing block 3011 is provided with a fifth installation hole 3012; further comprising: a plurality of fixing members 4, the fixing member 4 penetrates through the third installation hole 202, the second installation hole 101, the fourth installation hole 303 and the fifth installation hole 3012. For example, the fixing member 4 is a bolt.

[0047] The mounting process of the temperature sensor is: first, the gasket plate 2 and the lining plate 3 are sleeved on the outer circumferential surface of the bushing 7; then, the gap between the gasket plate 2, the flange 1, the bushing 7 and the lining plate 3 is sealed by using a high-temperature-resistant and corrosion-resistant sealing material, so as to ensure that no leakage occurs under negative pressure; finally, the fixing member 4 penetrates through the third installation hole 202, the second installation hole 101, the fourth installation hole 303 and the fifth installation hole 3012 in sequence and is fixed on the side wall of the reaction kettle (after the fixing is completed, stability and sealing performance test can be carried out).

[0048] Embodiment two:

[0049] The difference from the embodiment one is that d1>d2.

[0050] Embodiment three:

[0051] As Figures 5 to 6As shown, a temperature sensor comprises a mounting structure, a temperature sensor body 5, a temperature measuring rod 6 and a bushing 7, the temperature sensor body 5 is connected with the temperature measuring rod 6, the bushing 7 is sleeved outside the temperature measuring rod 6, the flange 1 is integrally formed with the bushing 7, the backing plate 2 and the lining plate 3 are all sleeved on the bushing 7; the material of the bushing 7 is steel lining PFA or lining tetrafluoride. Therefore, the bushing 7 is used for protecting the temperature measuring rod 6 to prevent the material from corroding the temperature measuring rod 6.

[0052] Embodiment four:

[0053] A reaction kettle comprises a temperature sensor.

[0054] In summary, by additionally arranging the backing plate 2, the direct force of the negative pressure in the reaction kettle on the connecting position of the temperature measuring rod 6 can be dispersed, the structural strength of the mounting structure as a whole is enhanced, the risk of the bushing 7 being torn is reduced, the service life of the temperature sensor is improved, the maintenance cost of the equipment is reduced, in addition, by enhancing the stability of the mounting structure, the corrosion of the temperature sensor is reduced, the accuracy of temperature measurement of the temperature sensor is ensured, the production safety accidents and environmental protection risks caused by inaccurate temperature measurement are avoided, and the safety and stability of production are improved.

[0055] The above description is an explanation of the utility model, not a limitation of the utility model, the range defined by the utility model is referred to the claims, within the protection range of the utility model, any form of modification can be made.

Claims

1. A mounting structure characterized by comprising: It comprises: a flange (1), and a backing plate (2) located on one side of the flange (1), and a first mounting hole (201) is formed in the center of the backing plate (2); a lining plate (3) located on the other side of the flange (1); the lining plate (3) comprises: a first arc-shaped plate (301) and a second arc-shaped plate (302), the side of the first arc-shaped plate (301) and the second arc-shaped plate (302) away from the backing plate (2) is an arc surface, the first arc-shaped plate (301) is provided with a fixing block (3011), and the second arc-shaped plate (302) is provided with a fixing groove (3021), and the fixing block (3011) and the fixing groove (3021) are matched; a plurality of second mounting holes (101) are formed in the flange (1), a plurality of third mounting holes (202) are formed in the backing plate (2), and a plurality of fourth mounting holes (303) are formed in the first arc-shaped plate (301) and the second arc-shaped plate (302). The fixing block (3011) is provided with a fifth mounting hole (3012); It further comprises: a plurality of fixing members (4) penetrating through the third mounting hole (202), the second mounting hole (101), the fourth mounting hole (303) and the fifth mounting hole (3012).

2. The mounting structure of claim 1, wherein: The outer diameter of the flange (1) is d1, the outer diameter of the backing plate (2) is d2, and the outer diameter of the lining plate (3) is d3.

3. The mounting structure of claim 2, wherein: d1=d2; d1=d3.

4. The mounting structure of claim 2, wherein: d1>d2.

5. The mounting structure of claim 1, wherein: The backing plate (2) is made of polyethylene plate, tetrafluoroethylene plate, steel lining tetrafluoroethylene plate, cylinder spraying tetrafluoroethylene plate or enamel plate.

6. The mounting structure of claim 1, wherein: The thickness of the backing plate (2) is h, and h=20mm.

7. A temperature sensor characterized by: It comprises: the mounting structure, the temperature sensor body (5), the temperature measuring rod (6) and the lining sleeve (7) according to any one of claims 1-6, the temperature sensor body (5) is connected with the temperature measuring rod (6), the lining sleeve (7) is sleeved outside the temperature measuring rod (6), the flange (1) is integrally formed with the lining sleeve (7), and the backing plate (2) and the lining plate (3) are sleeved on the lining sleeve (7); The material of the lining sleeve (7) is steel lining PFA or lining tetrafluoroethylene.

8. A reaction vessel characterized by: It comprises: the temperature sensor according to claim 7.

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