CN215195540U - Low-temperature raw material gas-liquid separation device for polyurethane combined white material premixer - Google Patents
Low-temperature raw material gas-liquid separation device for polyurethane combined white material premixer Download PDFInfo
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- CN215195540U CN215195540U CN202121488365.5U CN202121488365U CN215195540U CN 215195540 U CN215195540 U CN 215195540U CN 202121488365 U CN202121488365 U CN 202121488365U CN 215195540 U CN215195540 U CN 215195540U
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Abstract
The utility model relates to a gas-liquid separation field specifically is a low temperature raw materials gas-liquid separation equipment for polyurethane combination white material premixer, including the gas-liquid separation body, the gas-liquid separation body has inclosed interior barrel, and the lower part periphery of interior barrel sets up inclosed clamp cover, and the bottom of interior barrel communicates the one end of discharging pipe, and the other end of discharging pipe is worn out and is pressed from both sides the cover, and the upper portion of interior barrel communicates the feed inlet, sets up pressure sensor and temperature sensor on the interior barrel respectively, communicates frozen water import and frozen water export on the inclosed clamp cover respectively. The utility model discloses a have endless frozen water in the clamp cover all the time, barrel is in the low temperature state in making, and the raw materials is sent into interior barrel through the feed inlet, and the raw materials makes the raw materials remain the low temperature throughout with interior barrel heat exchange, the pressure and the temperature of pressure sensor and temperature sensor real-time supervision raw materials to make the raw materials steady for liquid when the interpolation mixes, liquid raw materials passes through the discharging pipe and supplies with subordinate's measuring pump, guarantees the mixing quality, avoids influencing the foaming.
Description
Technical Field
The utility model relates to a gas-liquid separation field specifically is a low temperature raw materials gas-liquid separation equipment that is used for polyurethane combination white material premixer.
Background
With the continuous development of science and technology, the research and development of polyurethane foaming technology are changing day by day, and in order to improve the foaming speed and the foaming quality, various auxiliary additives are increasing. Some additives are unstable, are gasified at low temperature and low pressure, and are difficult to be uniformly mixed after being gasified. For example, tetrafluoroethane HFC-134a, which has a boiling point of-26 ℃ and a saturated vapor pressure (25 ℃) of 661.9 kPa. When the polyurethane white material premix is used as a raw material of a polyurethane combined white material premixer, the polyurethane combined white material premix is easy to gasify along with the change of temperature and pressure, and the uniform mixing of the polyurethane combined white material premix and the white material is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that tetrafluoroethane gasifies and influences the foaming along with the change of temperature and pressure easily, in order to solve this problem, the utility model provides a low temperature raw materials gas-liquid separation equipment for polyurethane combination white material premixer, it can make tetrafluoroethane be liquid when adding the mixture, avoids influencing and white material mixing inequality.
The content of the utility model is a low temperature raw materials gas-liquid separation equipment for polyurethane combination white material premixer, including the gas-liquid separation body, the gas-liquid separation body has inclosed interior barrel, and the lower part periphery of interior barrel sets up inclosed clamp cover, and the one end of the bottom intercommunication discharging pipe of interior barrel, the other end of discharging pipe are worn out and are pressed from both sides the cover, and the upper portion of interior barrel communicates the feed inlet, sets up pressure sensor and temperature sensor on the interior barrel respectively, communicates frozen water import and frozen water export on the inclosed clamp cover respectively.
Further, a base is arranged at the bottom of the jacket.
Further, the inner cylinder body is respectively provided with a temperature sensor interface and a pressure sensor interface, the pressure sensor is arranged in the pressure sensor interface, and the temperature sensor is arranged in the temperature sensor interface.
Furthermore, the temperature sensor is arranged at the lower part of the inner cylinder body, and the pressure sensor is arranged at the upper part of the inner cylinder body.
Furthermore, the ice water inlet is communicated with the lower part of the jacket, and the ice water outlet is communicated with the upper part of the jacket.
Furthermore, the interior barrel in set up vertical blast pipe, the bottom of blast pipe is located the internal lower part of inner tube and communicates with each other with interior barrel, the interior barrel is worn out at the top of blast pipe, the upper portion intercommunication gas vent of blast pipe.
Furthermore, the bottom of the exhaust pipe is sealed, a first through hole is formed in the sealed position of the bottom of the exhaust pipe, a second through hole is formed in the side wall of the periphery of the lower portion of the exhaust pipe, a partition plate is arranged between the bottom of the exhaust pipe and the inner wall of the inner cylinder body, and the partition plate is located between the first through hole and the second through hole.
Furthermore, a liquid level meter is arranged in the inner cylinder body.
Furthermore, the liquid level meter is a floating ball liquid level meter which is provided with three groups of floaters.
Furthermore, a liquid level meter mounting flange is arranged at the top of the exhaust pipe, and the floating ball liquid level meter is mounted on the liquid level meter mounting flange.
The beneficial effects of the utility model are that, the utility model discloses a there is endless frozen water all the time in the clamp cover, barrel is in the low temperature state in making, barrel in the raw materials is sent into the raw materials from the head tank through the feed inlet through preceding booster pump, the raw materials makes the raw materials remain the low temperature throughout with interior barrel heat exchange, the pressure and the temperature of pressure sensor and temperature sensor real-time supervision raw materials to make the raw materials steady for liquid when the interpolation mixes, liquid raw materials passes through the discharging pipe and supplies with subordinate's measuring pump, guarantees the mixed quality, avoids influencing the foaming.
Drawings
FIG. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a second schematic structural diagram of the present invention.
In the figure, the device comprises a floating ball liquid level meter 1, a floating ball liquid level meter 2, a gas-liquid separation body 3, a pressure sensor 4, a temperature sensor 5, an exhaust ball valve 6, a liquid level meter mounting flange 7, an exhaust port 8, a feed inlet 9, an inner cylinder 10, a jacket 11, a temperature sensor interface 12, a base 13, a discharge pipe 14, an ice water inlet 15, an ice water outlet 16, a pressure sensor interface 17 and an exhaust pipe.
Detailed Description
As shown in the attached drawings 1 and 2, the low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer comprises a gas-liquid separator 2, wherein the gas-liquid separator 2 is provided with a closed inner cylinder 9, a closed jacket 10 is arranged on the periphery of the lower part of the inner cylinder 9, the bottom of the inner cylinder 9 is communicated with one end of a discharge pipe 13, the other end of the discharge pipe 13 penetrates out of the jacket 10, the upper part of the inner cylinder 9 is communicated with a feed inlet 8, the inner cylinder 9 is respectively provided with a pressure sensor 3 and a temperature sensor 4, and the closed jacket 10 is respectively communicated with an ice water inlet 14 and an ice water outlet 15. Circulating ice water is always arranged in the jacket 10, so that the inner cylinder 9 is in a low-temperature state, raw materials are sent into the inner cylinder 9 from the raw material tank through the feed inlet 8 through the booster pump in front, the raw materials are kept at a low temperature all the time through heat exchange with the inner cylinder 9, the pressure and the temperature of the raw materials are monitored by the pressure sensor 3 and the temperature sensor 4 in real time, HFC-134a is stably in a liquid state when being added and mixed, the liquid raw materials are supplied to a lower metering pump through the discharge pipe 13, the mixing quality is ensured, the mixing precision is improved, and the foaming is prevented from being influenced. The feed port 13 is composed of a flange and a bent pipe.
The bottom of the jacket 10 is provided with a base 12. The base 12 can fix the jacket 10 and the inner cylinder 9 firmly.
The inner cylinder body 9 is respectively provided with a temperature sensor interface 11 and a pressure sensor interface 16, the pressure sensor 3 is arranged in the pressure sensor interface 16, and the temperature sensor 4 is arranged in the temperature sensor interface 11. This structure makes the pressure sensor 3 and the temperature sensor 4 firmly fixed.
The temperature sensor 4 is arranged at the lower part of the inner cylinder 9, and the pressure sensor 3 is arranged at the upper part of the inner cylinder 9. This structure makes the pressure sensor 3 and the temperature sensor 4 detect accurately.
The ice water inlet 14 is communicated with the lower part of the jacket 10, and the ice water outlet 15 is communicated with the upper part of the jacket 10.
The inner cylinder 9 is internally provided with a vertical exhaust pipe 17, the bottom of the exhaust pipe 17 is positioned at the lower part in the inner cylinder 9 and communicated with the inner cylinder 9, the top of the exhaust pipe 17 penetrates out of the inner cylinder 9, the upper part of the exhaust pipe 17 is communicated with an exhaust port 7, and the exhaust port 7 is provided with an exhaust ball valve 5. When the raw material tank is replaced after the raw material is used up, the pipeline loses pressure, the raw materials in the pipeline and the inner cylinder 9 can be vaporized, and after the raw material tank is replaced, the air exhaust ball valve 5 can be opened to exhaust air.
The bottom of the exhaust pipe 17 is sealed, a first through hole is formed in the sealed position of the bottom of the exhaust pipe 17, a second through hole is formed in the side wall of the periphery of the lower portion of the exhaust pipe 17, a partition plate is arranged between the bottom of the exhaust pipe 17 and the inner wall of the inner cylinder 9, and the partition plate is located between the first through hole and the second through hole. After the raw materials got into interior barrel 9, received the baffle and blockked, avoided the bubble that directly produces with the bottom collision of interior barrel 9, the raw materials gets into blast pipe 17 by the second through-hole on baffle upper portion to leave by the second through-hole in blast pipe 17 gets into the interior barrel 9 of baffle lower part, whole in-process, gas can upwards remove and break away from liquid, makes the gas-liquid separation effect better.
And a liquid level meter is arranged in the inner cylinder body 9. The liquid level gauge can measure the liquid level in the inner cylinder 9.
The liquid level meter is a floating ball liquid level meter 1, and the floating ball liquid level meter 1 is provided with three groups of floaters. The three floats of the floating ball liquid level meter 1 monitor the liquid level condition of the inner cylinder 9, if the float switch at the lowest point acts, the liquid level is low, the gas is more, the liquid level reaches the lowest limit, and the uneven mixing can be caused. At the moment, the material mixing work is automatically stopped, the booster pump is started to feed materials, the system pressure is increased, the temperature of the frozen liquid in the jacket can be reduced or the pressure of the raw materials is increased, the raw materials are liquefied, and when the raw materials reach the upper liquid level, the material mixing is restarted. Therefore, the raw material of the discharge port 13 is ensured to be liquid all the time, and is supplied to a lower metering pump, so that the mixing quality is ensured.
The top of the exhaust pipe 17 is provided with a liquid level meter mounting flange 6, and the floating ball liquid level meter 1 is mounted on the liquid level meter mounting flange 6.
Claims (10)
1. The utility model provides a low temperature raw materials gas-liquid separation equipment for polyurethane combination white material premixer which characterized in that: the device comprises a gas-liquid separation body (2), wherein the gas-liquid separation body (2) is provided with a closed inner cylinder body (9), the periphery of the lower part of the inner cylinder body (9) is provided with a closed jacket (10), the bottom of the inner cylinder body (9) is communicated with one end of a discharge pipe (13), the other end of the discharge pipe (13) penetrates out of the jacket (10), the upper part of the inner cylinder body (9) is communicated with a feed inlet (8), the inner cylinder body (9) is respectively provided with a pressure sensor (3) and a temperature sensor (4), and the closed jacket (10) is respectively communicated with an ice water inlet (14) and an ice water outlet (15).
2. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 1, wherein: the bottom of the jacket (10) is provided with a base (12).
3. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 1, wherein: the inner cylinder body (9) is respectively provided with a temperature sensor interface (11) and a pressure sensor interface (16), the pressure sensor (3) is arranged in the pressure sensor interface (16), and the temperature sensor (4) is arranged in the temperature sensor interface (11).
4. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 1, wherein: the temperature sensor (4) is arranged at the lower part of the inner cylinder body (9), and the pressure sensor (3) is arranged at the upper part of the inner cylinder body (9).
5. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 1, wherein: the ice water inlet (14) is communicated with the lower part of the jacket (10), and the ice water outlet (15) is communicated with the upper part of the jacket (10).
6. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer according to any one of claims 1 to 5, wherein: interior barrel (9) in set up vertical blast pipe (17), the bottom of blast pipe (17) is located the lower part in interior barrel (9) and communicates with each other with interior barrel (9), barrel (9) in the top of blast pipe (17) is worn out, the upper portion intercommunication gas vent (7) of blast pipe (17).
7. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 6, wherein: the bottom of the exhaust pipe (17) is sealed, a first through hole is formed in the sealed position of the bottom of the exhaust pipe (17), a second through hole is formed in the side wall of the periphery of the lower portion of the exhaust pipe (17), a partition plate is arranged between the bottom of the exhaust pipe (17) and the inner wall of the inner cylinder body (9), and the partition plate is located between the first through hole and the second through hole.
8. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer as claimed in claim 6, wherein: and a liquid level meter is arranged in the inner cylinder body (9).
9. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer according to claim 8, wherein: the liquid level meter is a floating ball liquid level meter (1), and the floating ball liquid level meter (1) is provided with three groups of floaters.
10. The low-temperature raw material gas-liquid separation device for the polyurethane combined white material premixer according to claim 9, wherein: the top of blast pipe (17) set up level gauge mounting flange (6), floater level gauge (1) is installed on level gauge mounting flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488365.5U CN215195540U (en) | 2021-06-30 | 2021-06-30 | Low-temperature raw material gas-liquid separation device for polyurethane combined white material premixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488365.5U CN215195540U (en) | 2021-06-30 | 2021-06-30 | Low-temperature raw material gas-liquid separation device for polyurethane combined white material premixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215195540U true CN215195540U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488365.5U Active CN215195540U (en) | 2021-06-30 | 2021-06-30 | Low-temperature raw material gas-liquid separation device for polyurethane combined white material premixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215195540U (en) |
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2021
- 2021-06-30 CN CN202121488365.5U patent/CN215195540U/en active Active
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