CN216408014U - Adiabatic acceleration calorimeter pipeline accessory - Google Patents
Adiabatic acceleration calorimeter pipeline accessory Download PDFInfo
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- CN216408014U CN216408014U CN202123003548.6U CN202123003548U CN216408014U CN 216408014 U CN216408014 U CN 216408014U CN 202123003548 U CN202123003548 U CN 202123003548U CN 216408014 U CN216408014 U CN 216408014U
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Abstract
The utility model relates to a pipeline fitting of an adiabatic acceleration calorimeter, which comprises 1/4 'nut cutting sleeves and 1/8' pipes and has the technical points that: 1/4 "nut ferrule is connected to 1/4" port of 1/4 "swivel 1/8" reducer, 1/8 "port of 1/4" swivel 1/8 "reducer is further connected to 1/8" nut ferrule, the front end of 1/8 "tube is located in 1/8" nut ferrule and the front end face of 1/8 "tube abuts against the inner shoulder of 1/8" port of 1/4 "swivel 1/8" reducer, 1/8 "tube is provided on its exterior with a positioning ring abutting against the inner shoulder of 1/8" nut ferrule, and the sealing cone is axially located between the positioning ring and the inner end face of 1/8 "port of 1/4" swivel 1/8 "reducer. The utility model solves the problems of easy blockage and easy welding of the existing pipeline fittings, has simple and convenient maintenance operation, saves the maintenance cost and avoids resource waste.
Description
Technical Field
The utility model relates to the technical field of adiabatic acceleration calorimeters, in particular to a pipeline fitting of an adiabatic acceleration calorimeter.
Background
The adiabatic acceleration calorimeter is an instrument for evaluating the stability and potential hazards of chemical process and dangerous chemicals, and simulates the self-acceleration reaction of a sample under the most serious conditions (such as runaway and the like). Both for thermal analysis of solid or liquid chemicals and for assessment of potential hazards of (mixed) gas, gas/liquid, liquid/liquid, gas/solid and liquid/solid mixed systems, including continuous liquid/gas fed reaction systems, can provide more accurate comprehensive thermodynamic and kinetic data.
See fig. 5, 1/4 "ferrule turn 1/8" tube is an important fitting of adiabatic acceleration calorimeter for connecting test cell and thermocouple. When the device is used for measuring a solid sample, a pipeline is easy to be blocked, and the pressure of the pipeline is very high when the device meets the sample with high gas production, so that the welded part of the 1/4 '-cutting sleeve converted 1/8' -tube is easy to crack and leak, and the device is dangerous.
However, the existing accessories are basically purchased from instrument manufacturers, due to the fact that the existing accessories are imported products, the purchase period is long, the unit price of the products is high, the timely proceeding of the test work is seriously influenced, and meanwhile, the maintenance cost is high.
Disclosure of Invention
The utility model aims to provide a pipeline fitting of an adiabatic acceleration calorimeter, which has a simple structure and is reliable to use, solves the problems of easy blockage and easy welding of the existing pipeline fitting, is simple and convenient to maintain and operate, saves the maintenance cost, and avoids resource waste.
The technical scheme of the utility model is as follows:
the utility model provides an adiabatic acceleration calorimeter pipe fitting, includes 1/4 "nut cutting ferrule and 1/8" pipe, its technical essential is: the 1/4 'internal thread of the nut cutting ferrule is connected with the 1/4' external thread of the 1/4 'port of the 1/8' reducing joint, the external threads of the 1/8 "port of the 1/4" through 1/8 "reducer union are connected with the internal threads of the 1/8" nut ferrule, the front end of the 1/8 "tube is located in the 1/8" nut ferrule and the front end face of the 1/8 "tube abuts the inner bore shoulder of the 1/8" port of the 1/4 "rotary 1/8" reducer union, the outer part of the 1/8 'tube is provided with a positioning ring which is attached to the inner hole shoulder of the 1/8' nut cutting sleeve, the 1/8 ″ pipe is further sleeved with a sealing frustum, and the sealing frustum is axially located between the positioning ring and the 1/8 ″ inner end face of the 1/4 ″ 1/8 ″ reducer union.
In the adiabatic acceleration calorimeter tube fitting, the 1/4 ″ nut ferrule has a communication hole i having the same diameter as the 1/4 ″ inner hole of the 1/4 ″ turn 1/8 ″ reducer joint, the 1/4 ″ turn 1/8 ″ reducer joint is provided at the middle with a communication hole ii communicating the communication holes i and 1/8 ″ and the 1/8 ″ tube is connected to the communication hole ii and the 1/8 ″ tube has an inner diameter equal to the diameter of the communication hole ii.
In the above pipe fitting for adiabatic acceleration calorimeter, the 1/4 ″ nut cutting sleeve, 1/4 ″ rotated 1/8 ″ reducer joint and 1/8 ″ nut cutting sleeve are all provided with anti-disengaging edge surfaces convenient for turning.
The adiabatic acceleration calorimeter tubing fitting described above, the 1/8 "tube was a 316 stainless steel tube with a wall thickness of 0.028 inches.
The utility model has the beneficial effects that:
1. through adopting 1/4 "nut cutting ferrule, 1/4" turn 1/8 "arrangement of reducing joint, 1/8" nut cutting ferrule and 1/8 "pipe, when reaching the same technological effect with the integration fitting among the prior art, realized the convenient purpose of connecting, solved the easy problem of blockking up but inconvenient maintenance of current pipeline accessory, lift off 1/8" nut cutting ferrule, can expose 1/8 "pipe front end, to the jam position overhaul or cut the remounting after the material processing can, convenient quick. Need not import pipeline accessory, practiced thrift purchasing time and cost of maintenance, guaranteed the work efficiency of instrument, practical value is high, has avoided causing the wasting of resources.
2. With the pipe fitting of a split structure, the 1/4 "1/8" reducer union is connected and communicated with the 1/8 "pipe through 1/8" nut ferrule and is equipped with a sealing frustum, avoiding welding failure and ensuring the air tightness of the pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of 1/4 ″ nut ferrule;
FIG. 3 is a schematic structural view of 1/4 '-1/8' -reducer union;
figure 4 is a schematic diagram of the mating arrangement of 1/4 "1/8" reducer union, 1/8 "nut ferrule, and 1/8" tube;
fig. 5 is a schematic structural view of a conventional piping fitting.
In the figure: 1.1/4 "nut cutting ferrule, 2.1/4" turn 1/8 "reducer union, 201 external screw thread, 202 internal hole, 203 communication hole II, 204 external screw thread, 3.1/8" nut cutting ferrule, 4.1/8 "pipe, 5 sealing cone, 6 positioning ring.
Detailed Description
As shown in fig. 1-4, the adiabatic accelerated calorimeter tubing fitting comprises 1/4 "nut ferrule 1 and 1/8" tube 4, the internal thread of said 1/4 "nut ferrule 1 is connected with the external thread 201 of the 1/4" port of the 1/4 "turn 1/8" reducer 2, the external thread 204 of the 1/8 "port of said 1/4" turn 1/8 "reducer is connected with the internal thread of the 1/8" nut ferrule 3, the front end of said 1/8 "tube 4 is located in the 1/8" nut ferrule 3 and the front end face of said 1/8 "tube 4 abuts against the internal bore shoulder of the 1/8" port of the 1/4 "turn 1/8" reducer 2, the exterior of said 1/8 "tube 4 is provided with a positioning ring 6 abutting against the internal bore shoulder of the 1/8" nut ferrule 3, the 1/8 ″ pipe 4 is further sleeved with a sealing cone 5, and the sealing cone 5 is axially located between the positioning ring 6 and an inner end face of 1/8 ″ of the 1/4 ″ 1/8 ″ reducer union 2.
In this embodiment, the 1/4 ″ nut ferrule 1 has a communication hole i having the same diameter as the 1/4 ″ inner hole 202 of the 1/4 ″ turn 1/8 ″ reducer 2, the center of the 1/4 ″ turn 1/8 ″ reducer 2 is provided with a communication hole ii 203 communicating the communication hole i and 1/8 ″ and the 1/8 ″ tube 4 is connected to the communication hole ii 203 and the 1/8 ″ tube 4 has an inner diameter equal to the diameter of the communication hole ii 203. 1/4 "nut cutting ferrule 1, 1/4" turn 1/8 "reducing joint 2 and 1/8" the periphery of nut cutting ferrule 3 all is equipped with the anticreep faceted pebble of being convenient for to turn over. The 1/8 "tube 4 was a 316 stainless steel tube with a wall thickness of 0.028 inches.
Through the connection mode of the embodiment, the air tightness of the whole pipeline is better, and the possibility of occurrence of pipeline cracking and air leakage is effectively reduced. When 1/8 ' tube 4 blockage occurs, the 1/8 ' nut cutting ferrule 3 can be unscrewed by a wrench, the blocked part of the 1/8 ' tube 4 is removed, the unblocked part can be used continuously, and resource waste is reduced.
In use, the front end of 1/8 "tube 4 is inserted into the bottom of the 1/8" port of the 1/4 "1/8" reducer union 2, i.e. positioned with the inner shoulder and in abutting communication with the communication hole ii 203, and the 1/8 "nut ferrule 3 is screwed onto the 1/8" port by hand and tightened as much as possible. And then the utility model is arranged on an adiabatic acceleration calorimeter, after the pressure is gradually increased to 40bar, the pressure is maintained for 15min, and the pressure does not decrease, thereby proving that the system has better tightness and meeting the experimental requirements.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the utility model are also within the scope of the present patent.
Claims (4)
1. An adiabatic acceleration calorimeter tube fitting, includes 1/4 "nut cutting ferrule and 1/8" pipe, its characterized in that: the 1/4 'internal thread of the nut cutting ferrule is connected with the 1/4' external thread of the 1/4 'port of the 1/8' reducing joint, the external threads of the 1/8 "port of the 1/4" through 1/8 "reducer union are connected with the internal threads of the 1/8" nut ferrule, the front end of the 1/8 "tube is located in the 1/8" nut ferrule and the front end face of the 1/8 "tube abuts the inner bore shoulder of the 1/8" port of the 1/4 "rotary 1/8" reducer union, the outer part of the 1/8 'tube is provided with a positioning ring which is attached to the inner hole shoulder of the 1/8' nut cutting sleeve, the 1/8 ″ pipe is further sleeved with a sealing frustum, and the sealing frustum is axially located between the positioning ring and the 1/8 ″ inner end face of the 1/4 ″ 1/8 ″ reducer union.
2. The adiabatic acceleration calorimeter tubing fitting of claim 1, wherein: the 1/4 ' nut cutting ferrule has a communication hole I with the same diameter as the 1/4 ' inner hole of the 1/4 ' turn 1/8 ' reducer joint, the middle of the 1/4 ' turn 1/8 ' reducer joint is provided with a communication hole II for communicating the communication holes I and 1/8 ', the 1/8 ' tube is connected with the communication hole II, and the inner diameter of the 1/8 ' tube is equal to the aperture of the communication hole II.
3. The adiabatic acceleration calorimeter tubing fitting of claim 1, wherein: 1/4 "nut cutting ferrule, 1/4" turn 1/8 "reducing joint and 1/8" the periphery of nut cutting ferrule all is equipped with the anticreep faceted pebble of being convenient for to turn over.
4. The adiabatic acceleration calorimeter tubing fitting of claim 1, wherein: the 1/8 "tube was a 316 stainless steel tube with a wall thickness of 0.028 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003548.6U CN216408014U (en) | 2021-12-02 | 2021-12-02 | Adiabatic acceleration calorimeter pipeline accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003548.6U CN216408014U (en) | 2021-12-02 | 2021-12-02 | Adiabatic acceleration calorimeter pipeline accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216408014U true CN216408014U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003548.6U Active CN216408014U (en) | 2021-12-02 | 2021-12-02 | Adiabatic acceleration calorimeter pipeline accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216408014U (en) |
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2021
- 2021-12-02 CN CN202123003548.6U patent/CN216408014U/en active Active
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