CN217763081U - High temperature high pressure glass window seal structure - Google Patents
High temperature high pressure glass window seal structure Download PDFInfo
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- CN217763081U CN217763081U CN202222004156.XU CN202222004156U CN217763081U CN 217763081 U CN217763081 U CN 217763081U CN 202222004156 U CN202222004156 U CN 202222004156U CN 217763081 U CN217763081 U CN 217763081U
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Abstract
The utility model relates to a high temperature high pressure glass window seal structure in the solid phase deposition testing arrangement technical field in the crude oil pipeline for among the image measurement analysis of crude oil solid phase deposition test, including the pressure-bearing barrel of waiting to observe, pressure-bearing barrel lateral wall is equipped with interior observation hole, and interior observation hole outer hole section is equipped with the one-level step and the second grade step that expand outward in proper order, has the pressure-resistant glass body through seal assembly seal installation between one-level step and the second grade step, the one end that the pressure-resistant glass body stretched into one-level step and second grade step is cylindricly, and the outer end of other end protrusion second grade step is and is frustum shape, the cooperation pressure equipment of pressure-resistant glass body outer end has the gland, the gland corresponds the protrusion end center of the pressure-resistant glass body and is equipped with outer observation hole, and the inboard position cooperation that corresponds with the protrusion end of the pressure-resistant glass body of gland is equipped with the toper pit, and the toper pit is pressed with the protrusion end of the pressure-resistant glass body and is supported tightly, the gland periphery is supported by the pressure-resistant barrel to through a plurality of bolt fixed connection.
Description
Technical Field
The utility model relates to a pipeline monitoring technology field, in particular to high temperature high pressure window seal structure that is arranged in observing or monitoring the pipeline or the inside fluid condition of container that have certain pressure and temperature for among the image measurement analysis of crude oil solid phase deposition test.
Background
The observation window is a common accessory in the chemical industry, can be used for observing the physical property change of some high-pressure fluids in the observation window, and can also collect the observed dynamic change process to measure the volume change of the high-pressure fluids. Aiming at some low-temperature and low-pressure windows, the design difficulty is small, and the observation purpose can be achieved by fixing a piece of cylindrical toughened glass or quartz glass or even sapphire glass, some rubber sealing rings and a glass pressing plate on a cylinder body to be observed by bolts, but under the condition that the temperature reaches 200 ℃ and the pressure is higher than 100MPa, especially under the condition that the size of the glass window has certain design requirements, higher requirements on the thickness and the strength of the glass are required, the glass is ensured not to be crushed in the use process under high temperature and high pressure, and a reliable high-temperature and high-pressure glass window sealing structure needs to be optimally designed to meet the use requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the performance demand of observation window among the high temperature high pressure runner among the prior art, provide a high temperature high pressure glass window seal structure, realize the optimization of the glass spare structure of glass viewing aperture under the high temperature high pressure to improve the withstand voltage temperature resistance of glass spare.
The utility model aims at realizing like this, a high temperature high pressure glass window seal structure, including the pressure-bearing barrel of waiting to observe, the pressure-bearing barrel lateral wall is equipped with interior observation hole, its characterized in that, interior observation hole outer hole section is equipped with the one-level step and the second grade step that expand outward in proper order, install withstand voltage glass body through seal assembly seal between one-level step and the second grade step, withstand voltage glass body stretches into the one end of one-level step and second grade step and is cylindricly, and the outer end of other end protrusion second grade step is and is frustum shape, the cooperation pressure equipment of withstand voltage glass body outer end has the gland, the protruding end center that the gland corresponds withstand voltage glass body is equipped with outer observation hole, the inboard position cooperation that corresponds with the protruding end of withstand voltage glass body of gland is equipped with the toper pit, the toper pit is held with the protruding end of withstand voltage glass body and is pasted and is pressed tightly, the gland periphery is supported with the pressure-bearing barrel and is supported and is pressed to through a plurality of bolt fixed connection.
The high-temperature high-pressure glass window sealing structure of the utility model optimally designs the shape of the glass body of the glass window into the shape combining the cylindrical section and the conical frustum section, the cylindrical section is used for being assembled with the pressure-bearing cylinder body in a sealing way, and the conical frustum section is matched with the gland for press mounting, so that the glass body is firmly pressed in the observation hole of the pressure-bearing cylinder body; meanwhile, the end part of the glass body protruding from the conical surface is matched with the conical pit part of the gland for press mounting, and the circumferential press mounting part contacted with the conical surface can improve the pressure-bearing contact area and decompose the pressure stress on the surface of the glass. Under the condition of same glass intensity, same glass size, the utility model discloses a vitreous body can bear bigger axial pressure who comes from in the section of thick bamboo to improve the compressive property of vitreous body, the high pressure service environment that specially adapted section of thick bamboo internal pressure exceeded 100MPa combines to use with image monitoring equipment, is particularly useful for among the image measurement analysis of crude oil solid phase deposition test.
In order to realize the sealed installation of the pressure-resistant glass body conveniently, a gap is reserved between the inner end face of the pressure-resistant glass body and the bottom face of the first-level step, and the pressure-resistant glass body and a circumferential cylindrical section between the first-level step and the second-level step are arranged, the sealing assembly comprises a gasket, a plurality of alternately superposed spacers, a sealing ring, a spacer and a pressure pad, which are sequentially arranged between the first-level step and the second-level step, the circumferential direction of a gland corresponding to the pressure pad is provided with a plurality of countersunk head locking screw holes, locking bolts are respectively and rotatably arranged in the locking screw holes in a matched manner, and the inner ends of the locking bolts are abutted against and fixedly pressed on the surface of the pressure pad.
In order to facilitate the pressure-resistant installation of the sealing assembly, an outer step shoulder is arranged on the periphery of one end, corresponding to the gland, of the pressure pad in a matched mode, the axial thickness of the outer step shoulder is smaller than that of the second-stage step corresponding to the pressure-bearing cylinder, and the other end of the pressure pad is inserted into the periphery of the first-stage step and the pressure-resistant glass body in a matched mode.
In order to optimize and improve the shape of the frustum-shaped end part of the glass body, the taper angle theta of the frustum-shaped end part of the pressure-resistant glass body is 60-65042to 90-65042
Further, the size ratio of the pressure-resistant glass body is:
d =2.5 to 3.5; wherein D is the diameter of the non-conical end of the pressure-resistant glass body, and D is the minimum diameter of the conical end of the pressure-resistant glass body.
Drawings
Fig. 1 is a schematic view of the high-temperature high-pressure glass window sealing structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of a pressure-resistant glass body.
1. A pressure-bearing cylinder; 2 observing the hole in the tube; 3, bolts; 4, locking the bolt; 5, pressing a cover; 6 outer observation holes; 7 pressure-resistant glass body; 701 a cylindrical section; 702 a frustum section; 8, sealing the assembly; 801 a gasket; 802 spacer mat; 803 sealing rings; 804 a pressure pad; 9, a step; 10 two-step.
Detailed Description
The high-temperature high-pressure glass window sealing structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, for the utility model discloses a high temperature high pressure glass window seal structure, including the pressure-bearing barrel 1 of waiting to observe, observation hole 2 in the pressure-bearing barrel 1 lateral wall is equipped with, 2 outer hole sections in the observation hole are equipped with one-level step 9 and the second grade step 10 that expand outward in proper order, there is withstand voltage glass body 7 through seal assembly 8 seal installation between one-level step 9 and the second grade step 10, this withstand voltage glass body 7 stretches into one-level step 9 and second grade step 10's one end and is cylindric also be cylinder section 701, the other end protrudes the outer end of second grade step 10 and is frustum shape, also be cone section 702, withstand voltage glass body 7 outer end cooperation pressure equipment has gland 5, gland 5 corresponds withstand voltage glass body 7's protrusion end center and is equipped with outer observation hole 6, this outward appearance hole is used for connecting observation or image monitoring instrument, the inboard of gland 5 is equipped with the toper pit with the cooperation that the periphery of the cone section 702 of withstand voltage glass body 7's protrusion end corresponds, this toper pit pastes tight with withstand voltage glass body 7's protrusion end, with the fixed pressure glass body, with fixed pressure-bearing 5, support presses the barrel and presses the fixed flange that a plurality of the fixed bolt that the fixed connection formed and connect the similar structure and connect the pressure-bearing. The inner end surface of the pressure-resistant glass body is close to the bottom surface of the first-stage step, and a gap is reserved between the inner end surface of the pressure-resistant glass body and the bottom surface of the first-stage step.
In order to facilitate the sealing installation of the pressure-resistant glass body 7, a certain gap is reserved between the inner end surface of the pressure-resistant glass body 7 and the bottom surface of the first-stage step 9 to prevent the pressure-resistant glass body 7 from being pressed and pressed hard against the first-stage step when being pressed and installed by the gland 5 to be crushed, a sealing assembly 8 is arranged on a circumferential cylindrical section between the pressure-resistant glass body 7 and the first-stage step 9 and the second-stage step 10, the sealing assembly comprises a gasket 801, a plurality of alternately superposed spacers 802, a sealing ring 803, a spacer 802 and a pressure pad 804 arranged on the second-stage step 10, the gasket 804 is provided with a plurality of countersunk locking screw holes corresponding to the circumference of the gland 5, locking bolts 4 are respectively and rotatably arranged in the locking screw holes in a matched manner, and the inner ends of the locking bolts 4 are pressed and fixed on the surface of the pressure pad 804; in order to be abutted against the pressure pad 804, an outer step shoulder is arranged on the periphery of one end, corresponding to the gland 5, of the pressure pad 804 in a matched mode, the axial thickness of the outer step shoulder is smaller than that of the second-stage step 10 corresponding to the pressure-bearing cylinder, and the other end of the pressure pad 804 is inserted in the circumferential direction of the first-stage step 9 and the pressure-resisting glass body 7 in a matched mode; thus, the pressure pad 804 has a certain displacement space in the axial direction in the secondary step 10 so as to elastically press the seal ring 803, thereby ensuring the sealing performance.
The utility model discloses a high temperature high pressure glass window seal structure, the shape optimization design of glass window is the shape that cylinder section 701 and frustum of a cone section 702 combine, and cylinder section 701 is used for assembling with pressure-bearing barrel 1 is sealed, and frustum of a cone section 702 and gland cooperation pressure equipment make the glass body firmly press fitting in the observation hole of pressure-bearing barrel; simultaneously, the convex vitreous body tip of conical surface cooperates the pressure equipment with the toper pit position of gland 5, the circumference pressure equipment position of conical surface contact, can improve bearing contact area, decompose the compressive stress on glass surface, simultaneously when using the bearing after the pressure equipment with withstand voltage vitreous body 7 pressure equipment, axial compressive stress from the section of thick bamboo decomposes into axial compressive stress and radial compressive stress's two-way effect resultant force, compare in the cylindric vitreous body structure that bears axial compressive stress alone, glass's radial direction's bending stress has significantly reduced, the atress condition of vitreous body obviously improves, same glass strength, under axial and radial dimension's the condition the utility model discloses a vitreous body can bear bigger axial pressure from the section of thick bamboo, thereby improve the compression resistance of vitreous body, specially adapted section of thick bamboo internal pressure exceeds 145 MPa's high pressure service environment.
In order to optimize and improve the shape of the frustum section 702 of the glass body, the taper angle theta of the frustum-shaped end of the pressure-resistant glass body in the embodiment is preferably 60 \65042 ~ -90 \65042;, and meanwhile, the size proportion of the pressure-resistant glass body is as follows: d =2.5 to 3.5; wherein D is the diameter of the non-conical end of the pressure-resistant glass body, and D is the minimum diameter of the conical end of the pressure-resistant glass body.
In order to further verify the pressure resistance of the pressure-resistant glass body structure of the utility model,
the following cylinder vitreous body (comparative example 1) with D = phi 60mm, L =50mm and with D and L size the utility model discloses the withstand voltage atress experiment of the glass that the cylinder section and the frustum of a cone section of structure combine, wherein D = phi 40mm in the withstand voltage vitreous body of embodiment 1, embodiment 2 and embodiment 3, the taper angle theta of frustum of a cone section is 60 °, 90 °, 135 ° respectively, simultaneously, the withstand voltage vitreous body of taking the frustum of a cone section that theta is 45 ° carries out the experiment contrast as comparative example 2, the experimental temperature is the normal atmospheric temperature, unload and pressurize again to the settlement pressure after keeping pressure 4h under the settlement pressure, repeat the experiment 4 times, observe whether glass is damaged. The experimental data are as follows:
| 70MPa | 120MPa | 160MPa | ||
| example 1 | 60 degree taper glass installation | Glass is intact | Glass is intact | Glass is intact |
| Example 2 | 90-degree taper glass installation | Glass is intact | Glass is intact | Glass is intact |
| Example 3 | 135 degree taper glass installation | Glass is intact | Glass cylinder surface having breakage | Direct glass fracture at 145MPa |
| Comparative example 1 | 45 degree taper glass installation | Glass is intact | Glass is intact | With small leakage along the sealing assembly |
| Comparative example 2 | Cylindrical glass body | Glass is intact | The cylindrical surface of the glass has damage and cracks | Direct glass fracture at 136MPa |
From the results of the above examples, it can be seen that the pressure resistance of the pressure resistant glass body with the truncated cone segment is good when the taper angle θ is 60 \65042and90 \65042respectively, and the glass body is not damaged even after repeated experiments, the taper angle is reduced, the sealing performance under high pressure is reduced, and the risk of breakage of the glass body when the taper angle θ is too large is increased. Therefore, the utility model discloses a withstand voltage vitreous body structure has obviously improved the pressure resistance of the vitreous body in the pressure-bearing section of thick bamboo observation window.
Claims (5)
1. The utility model provides a high temperature high pressure glass window seal structure, includes the pressure-bearing barrel of waiting to observe, the observation hole in pressure-bearing barrel lateral wall is equipped with, its characterized in that, interior observation hole outer hole section is equipped with the one-level step and the second grade step that expand outward in proper order, install withstand voltage glass body through seal assembly seal between one-level step and the second grade step, the one end that withstand voltage glass body stretched into one-level step and second grade step is cylindricly, and the other end protrusion second grade step's outer end and be the frustum shape, the cooperation pressure equipment of withstand voltage glass body outer end has the gland, the gland corresponds the protrusion end center of withstand voltage glass body and is equipped with outer observation hole, the inboard of gland cooperates with the position that the protrusion end of withstand voltage glass body corresponds and is equipped with the toper pit, the toper pit pastes tightly with the protrusion end of withstand voltage glass body and presses, the gland periphery is supported with the pressure-bearing barrel and is pressed to pass through a plurality of bolt fixed connection.
2. The high-temperature high-pressure glass window sealing structure according to claim 1, wherein a gap is reserved between the inner end surface of the pressure-resistant glass body and the bottom surface of the first-stage step, the sealing assembly is arranged at a circumferential cylindrical section between the pressure-resistant glass body and the first-stage step and between the pressure-resistant glass body and the second-stage step, the sealing assembly comprises a circumferential gasket, a plurality of alternately-superposed spacers, a sealing ring, a spacer and a pressure pad arranged on the second-stage step, the circumferential direction of a gland corresponding to the pressure pad is provided with a plurality of countersunk head locking screw holes, locking bolts are screwed in the locking screw holes in a matched manner respectively, and the inner ends of the locking bolts are abutted against and fixedly pressed on the surface of the pressure pad.
3. The sealing structure for a high-temperature and high-pressure glass window according to claim 2, wherein an outer step shoulder is cooperatively arranged on the periphery of one end of the pressure pad corresponding to the gland, the axial thickness of the outer step shoulder is smaller than that of the second step corresponding to the pressure-bearing cylinder, and the other end of the pressure pad is cooperatively inserted in the circumferential direction of the first step and the pressure-resistant glass body.
4. The high temperature and high pressure glass window sealing structure of claim 2, wherein the frustum-shaped end of the pressure resistant glass body has a taper angle θ of 60-65042to 90-65042.
5. A high temperature and high pressure glass window sealing structure according to claim 2, wherein the pressure resistant glass body has a dimensional ratio of:
d =2.5 to 3.5; wherein D is the diameter of the non-conical end of the pressure-resistant glass body, and D is the minimum diameter of the conical end of the pressure-resistant glass body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222004156.XU CN217763081U (en) | 2022-08-01 | 2022-08-01 | High temperature high pressure glass window seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222004156.XU CN217763081U (en) | 2022-08-01 | 2022-08-01 | High temperature high pressure glass window seal structure |
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| Publication Number | Publication Date |
|---|---|
| CN217763081U true CN217763081U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222004156.XU Active CN217763081U (en) | 2022-08-01 | 2022-08-01 | High temperature high pressure glass window seal structure |
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| Country | Link |
|---|---|
| CN (1) | CN217763081U (en) |
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2022
- 2022-08-01 CN CN202222004156.XU patent/CN217763081U/en active Active
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