CN216191047U - Production is with automatic blowing system of polyurethane resin - Google Patents
Production is with automatic blowing system of polyurethane resin Download PDFInfo
- Publication number
- CN216191047U CN216191047U CN202122544433.1U CN202122544433U CN216191047U CN 216191047 U CN216191047 U CN 216191047U CN 202122544433 U CN202122544433 U CN 202122544433U CN 216191047 U CN216191047 U CN 216191047U
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- Prior art keywords
- assembly
- polyurethane resin
- valve
- production
- air suction
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- 229920005749 polyurethane resin Polymers 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000007664 blowing Methods 0.000 title claims description 12
- 238000007599 discharging Methods 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The utility model provides an automatic polyurethane resin discharging system for production, which solves the problems of overlarge internal pressure of the discharging system and the like and comprises an opening and closing valve component, wherein the opening and closing valve component is connected with a discharging pipe, the discharging pipe is provided with a pressure control valve, an air suction component is arranged in the discharging pipe, a metering switching component is arranged at an outlet of the discharging pipe, a filter screen component is arranged at an outlet of the discharging pipe, and a sealing reinforcing component is arranged between the metering switching component and the filter screen component. The utility model has the advantages of stable internal pressure, automatic discharging and the like.
Description
Technical Field
The utility model belongs to the technical field of automatic discharging equipment, and particularly relates to an automatic discharging system for polyurethane resin for production.
Background
In the production process of polyurethane resin products, after the reaction is finished, the products need to be discharged from a reaction kettle for barreling, and due to the fact that the viscosity of the products is very high, discharging can be difficult only by the aid of the gravity of the products, air pressure boosting is needed, pressure is relieved by a safety valve, and the opening of a discharge valve is manually adjusted. But after long-term use, the operating system has certain potential safety hazard. Firstly, because of the uncertainty of impurities contained in the finished product in the reaction kettle, and the pressure fluctuation of air pressure and the pressure release of a safety valve are not in time, the risk of bursting exists in a filter screen at a discharge port. Secondly, because PU hot slurry can produce volatile harmful gas in the emptying process, it is harmful to the operator.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a polyurethane discharging device [202021105178.X ], which comprises a discharging pipe, a discharging valve and a discharging pipe, wherein the discharging pipe is connected with the discharging pipe through the discharging valve, the discharging valve comprises an upper valve body, a lower valve body, a fixing sleeve, a rotating shaft, a butterfly plate, an O-shaped sealing ring and a handle, the upper valve body is fixedly connected with a discharging port of the discharging pipe, the lower valve body is fixedly connected with a feeding port of the discharging pipe, and the fixing sleeve is fixed on one end side surface of the lower valve body.
The problem of leakproofness not enough when the thick liquids are discharged has been solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of not enough, for example internal pressure is too big, and the blowing is difficult in time to lead to the discharge gate department to burst scheduling problem.
Disclosure of Invention
The utility model aims to solve the problems and provides an automatic polyurethane resin discharging system for production, which is reasonable in design and stable in internal pressure.
In order to achieve the purpose, the utility model adopts the following technical scheme: this automatic blowing system of polyurethane resin for production, including opening and closing the valve subassembly, the opening and closing valve subassembly is connected with the discharging pipe, and the discharging pipe is equipped with the pressure control valve, is provided with the subassembly that induced drafts in the discharging pipe, and the exit of discharging pipe is provided with measurement switching module, and the exit of discharging pipe is provided with the filter screen subassembly, measures and is equipped with sealed subassembly of strengthening between switching module and the filter screen subassembly. The pressure control valve is provided with an air suction assembly to timely reduce the pressure of the discharge pipe, so that the stability of the internal pressure is ensured.
In foretell production is with automatic blowing system of polyurethane resin, the discharging pipe includes the main pipe body that communicates with reation kettle, is responsible for the body middle section and is provided with the branch body, divides the body coupling to have independent pressure boost chamber, is equipped with the booster pump in the pressure boost intracavity. The main pipe body and the branch pipe body are combined, and when the pressure is too small, the inside of the main pipe body and the branch pipe body is pressurized, so that the slurry is led out.
In the automatic blowing system of polyurethane resin for production, the open-close valve subassembly includes check valve and the three-way valve of being connected at the main pipe body entrance, and the export of three-way valve is connected with main pipe body and pressure-discharging pipe respectively. The opening and closing valve assembly controls the communication between the reaction kettle and the discharge pipe, and slurry backflow is avoided.
In the automatic discharging system for polyurethane resin for production, the pressure control valve is arranged between the opening and closing valve component and the air suction component, and the discharging pipe is internally provided with the pressure sensor. The pressure control valve is matched with the pressure sensor to play a role in stabilizing pressure.
In foretell production is with automatic blowing system of polyurethane resin, the subassembly that induced drafts includes and is connected with the aspiration channel with the discharging pipe, and the aspiration channel with the jar body intercommunication that induced drafts, the jar body that induced drafts is equipped with exhaust subassembly and strain the gas subassembly. The air suction assembly can exhaust gas emitted by polyurethane, and environmental pollution is reduced.
In foretell production is with automatic blowing system of polyurethane resin, the exhaust subassembly includes the fan with the jar body intercommunication that induced drafts, is equipped with the check valve between the jar body that induced drafts and the fan, and the exit of the jar body that induced drafts is provided with the restriction valve. The flow limiting valve is matched with the fan to perform periodic exhaust.
In foretell production is with automatic blowing system of polyurethane resin, strain the gas subassembly including connecting the cartridge filter in the exit of the jar body that induced drafts, be provided with metal filter and temperature sensor in the cartridge filter. The metal filter element can bear high-temperature gas, and the stable work is ensured.
In foretell production is with automatic blowing system of polyurethane resin, the filter screen subassembly includes the filter main part, and filter main part entrance is provided with spiral helicine water conservancy diversion piece, leaves the water conservancy diversion passageway between the water conservancy diversion piece, and filter main part exit is provided with the filter screen of a plurality of stack settings, and the filter screen is provided with the cover that presss from both sides with the filter main part junction. The filter screen assembly conducts spiral flow guiding on the slurry, and the slurry is led out after being uniformly filtered.
In the automatic blowing system of polyurethane resin for production, the measurement switching component comprises a distribution valve connected with the filter screen component, and a flow sensor is arranged at the inlet of the distribution valve. The distributing valve leads out the slurry in a shunting way and distributes the slurry according to actual needs.
In the above automatic polyurethane resin emptying system for production, the sealing reinforcing assembly comprises a sealing cylinder arranged between the filter screen assembly and the metering switching assembly interface, the sealing cylinders are mutually attached and provided with a locking groove therebetween, and a locking ring made of elastic material and provided with a notch is sleeved in the locking groove. The sealing reinforcing component ensures the sealing performance of the joint of the filter screen component and avoids the loosening of the joint with overlarge pressure.
Compared with the prior art, the utility model has the advantages that: the pressure control valve and the air suction assembly can discharge pressure in time, so that the internal pressure of the discharge pipe is stable; the metering switching assembly shunts according to actual flow to ensure stable discharge; the sealing reinforcing component ensures the sealing performance of the joint of the metering switching component and the filter screen component.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the screen assembly of the present invention;
FIG. 3 is a partial cross-sectional view of the air draft assembly of the present invention;
FIG. 4 is a structural cross-sectional view of a plenum chamber of the present invention;
in the figure, an opening and closing valve assembly 1, a three-way valve 11, a pressure discharge pipe 12, a discharge pipe 2, a main pipe body 21, a branch pipe body 22, a pressurization cavity 23, a pressurization pump 24, a pressure control valve 3, an air suction assembly 4, an air suction pipe 41, an air suction tank body 42, an exhaust assembly 43, an air filtering assembly 44, a fan 45, a flow limiting valve 46, a filter cylinder 47, a metal filter element 48, a metering switching assembly 5, a distribution valve 51, a filter screen assembly 6, a filter main body 61, a flow deflector 62, a filter screen 63, a jacket 64, a seal reinforcing assembly 7, a seal cylinder 71, a locking groove 72 and a locking ring 73.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the automatic polyurethane resin discharging system for production comprises an opening and closing valve assembly 1, wherein the opening and closing valve assembly 1 is connected with a discharging pipe 2, the discharging pipe 2 is provided with a pressure control valve 3, an air suction assembly 4 is arranged in the discharging pipe 2, a metering switching assembly 5 is arranged at an outlet of the discharging pipe 2, a filter screen assembly 6 is arranged at an outlet of the discharging pipe 2, and a sealing reinforcing assembly 7 is arranged between the metering switching assembly 5 and the filter screen assembly 6. Discharging pipe 2 exports reation kettle interior thick liquids, and switching valve subassembly 1 control pipeline break-make, and pressure control valve 3 and subassembly 4 that induced drafts in time step down the exhaust, maintain 2 internal pressure of discharging pipe invariable, and thick liquids are exported by measurement switching module 5 by the filter opening of filter screen subassembly 6.
Specifically, discharging pipe 2 includes the main pipe body 21 with reation kettle intercommunication, and main pipe body 21 middle section is provided with branch body 22, and branch body 22 is connected with independent booster cavity 23, is equipped with booster pump 24 in the booster cavity 23. Main pipe body 21 has branch body 22, can carry out the pressure boost to main pipe body 21 to derive the inside thick liquids of discharging pipe 2 completely, avoid remaining too much.
Further, the opening and closing valve assembly 1 includes a one-way valve and a three-way valve 11 connected to an inlet of the main pipe body 21, and an outlet of the three-way valve 11 is connected to the main pipe body 21 and the pressure discharge pipe 12, respectively. The pressure discharge pipe 12 of the three-way valve 11 can rapidly lead out the slurry in an emergency state.
Further, the pressure control valve 3 is arranged between the open-close valve component 1 and the air suction component 4, and the discharging pipe 2 is internally provided with a pressure sensor. The pressure control valve 3 adjusts the pressure between the opening and closing valve assembly 1 and the suction assembly 4 by adjusting the internal passage.
Furthermore, the air suction assembly 4 comprises an air suction pipe 41 connected with the discharge pipe 2, the air suction pipe 41 is communicated with an air suction tank 42, and the air suction tank 42 is provided with an air exhaust assembly 43 and an air filtering assembly 44. The air suction component 4 guides out the gas emitted by the slurry, so that the emission of harmful gas is avoided.
In addition, the exhaust assembly 43 includes a fan 45 in communication with the suction tank 42, a check valve is disposed between the suction tank 42 and the fan 45, and a flow limiting valve 46 is disposed at an outlet of the suction tank 42. The exhaust assembly 43 maintains the internal pressure of the air suction tank 42, and simultaneously realizes the mixing and leading-out of air and harmful gas, thereby preventing slurry from flowing into the air suction tank 42.
Meanwhile, the air filtering assembly 44 comprises a filter cartridge 47 connected to the outlet of the air suction tank 42, and a metal filter element 48 and a temperature sensor are arranged in the filter cartridge 47. The filter cartridge 47 can withstand high temperature gases, extending the overall service life of the gas filter assembly 44.
Visibly, the filter screen assembly 6 comprises a filter main body 61, a spiral flow deflector 62 is arranged at an inlet of the filter main body 61, a flow guiding channel is reserved between the flow deflectors 62, a plurality of superimposed filter screens 63 are arranged at an outlet of the filter main body 61, and a jacket 64 is arranged at a joint of the filter screens 63 and the filter main body 61. The flow guide sheet 62 inside the filter screen assembly 6 prolongs the length of the flow guide channel, so that the slurry flows spirally, thereby ensuring that the slurry stably passes through the filter screen 63.
It is clear that the metering and switching assembly 5 comprises a distribution valve 51 connected to the sieve assembly 6, the distribution valve 51 being provided with a flow sensor at the inlet. The flow sensor senses the internal flow, and the distribution valve 51 conducts diversion distribution on the slurry, so that automatic discharging of the slurry is completed.
Preferably, the seal reinforcing assembly 7 includes a sealing cylinder 71 disposed between the interfaces of the screen assembly 6 and the metering switch assembly 5, the sealing cylinders 71 are attached to each other with a locking groove 72 therebetween, and the locking groove 72 is internally sleeved with a locking ring 73 made of an elastic material and having a notch. The seal reinforcing assembly 7 reinforces the screen assembly 6, and the inner locking ring 73 improves the assembling efficiency and the connection stability thereof.
In summary, the principle of the present embodiment is: the switching valve component 1 controls the on-off of the discharging pipe 2, the pressure control valve 3 adjusts the flow rate of the slurry inside, the air suction component 4 discharges the excess slurry gas, so that the internal pressure of the discharging pipe 2 is adjusted, and the metering switching component 5 automatically distributes the slurry to realize the automatic discharging of the polyurethane resin.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although terms such as the opening and closing valve assembly 1, the three-way valve 11, the pressure discharge pipe 12, the discharge pipe 2, the main pipe body 21, the branch pipe body 22, the pressurizing cavity 23, the pressurizing pump 24, the pressure control valve 3, the suction assembly 4, the suction pipe 41, the suction tank body 42, the discharge assembly 43, the air filter assembly 44, the fan 45, the flow limiting valve 46, the filter cartridge 47, the metal filter element 48, the metering switching assembly 5, the distribution valve 51, the filter screen assembly 6, the filter main body 61, the baffle 62, the filter screen 63, the jacket 64, the seal reinforcing assembly 7, the seal cartridge 71, the locking groove 72, the locking ring 73, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an automatic blowing system of polyurethane resin for production, includes switching valve subassembly (1), switching valve subassembly (1) be connected with discharging pipe (2), discharging pipe (2) be equipped with pressure control valve (3), its characterized in that, discharging pipe (2) in be provided with air suction assembly (4), the exit of discharging pipe (2) be provided with measurement switching module (5), the exit of discharging pipe (2) be provided with filter screen subassembly (6), measurement switching module (5) and filter screen subassembly (6) between be equipped with sealed subassembly (7) of strengthening.
2. The automatic discharging system for the production polyurethane resin as claimed in claim 1, wherein the discharging pipe (2) comprises a main pipe body (21) communicated with the reaction kettle, a branch pipe body (22) is arranged at the middle section of the main pipe body (21), the branch pipe body (22) is connected with an independent pressurizing cavity (23), and a pressurizing pump (24) is arranged in the pressurizing cavity (23).
3. The automatic discharging system of polyurethane resin for production as claimed in claim 2, wherein said valve assembly (1) comprises a one-way valve and a three-way valve (11) connected to the inlet of the main pipe body (21), and the outlet of the three-way valve (11) is connected to the main pipe body (21) and the pressure discharge pipe (12), respectively.
4. The automatic discharging system for the production polyurethane resin as claimed in claim 3, wherein the pressure control valve (3) is arranged between the valve opening and closing assembly (1) and the air suction assembly (4), and the discharging pipe (2) is internally provided with a pressure sensor.
5. The automatic discharging system for the polyurethane resin for production as claimed in claim 1, wherein the air suction assembly (4) comprises an air suction pipe (41) connected with the discharging pipe (2), the air suction pipe (41) is communicated with an air suction tank body (42), and the air suction tank body (42) is provided with an air exhaust assembly (43) and an air filtering assembly (44).
6. The automatic discharging system for the polyurethane resin for production as claimed in claim 5, wherein the exhaust assembly (43) comprises a fan (45) communicated with the air suction tank body (42), a one-way valve is arranged between the air suction tank body (42) and the fan (45), and a flow limiting valve (46) is arranged at an outlet of the air suction tank body (42).
7. The automatic emptying system of polyurethane resin for production as claimed in claim 6, wherein the air filtering component (44) comprises a filter cartridge (47) connected to the outlet of the air suction tank body (42), and a metal filter element (48) and a temperature sensor are arranged in the filter cartridge (47).
8. The automatic discharging system for the polyurethane resin for production as claimed in claim 1, wherein the filter screen assembly (6) comprises a filter body (61), a spiral flow deflector (62) is arranged at an inlet of the filter body (61), a flow guide channel is reserved between the flow deflectors (62), a plurality of superimposed filter screens (63) are arranged at an outlet of the filter body (61), and a jacket (64) is arranged at a joint of the filter screens (63) and the filter body (61).
9. The automatic emptying system of polyurethane resin for production as claimed in claim 8, wherein the metering switching assembly (5) comprises a distribution valve (51) connected with the filter screen assembly (6), and a flow sensor is arranged at the inlet of the distribution valve (51).
10. The automatic emptying system of polyurethane resin for production as claimed in claim 9, wherein the sealing reinforcing assembly (7) comprises a sealing cylinder (71) arranged between the filter screen assembly (6) and the interface of the metering switching assembly (5), the sealing cylinder (71) is attached to each other and has a locking groove (72) therebetween, and the locking groove (72) is internally sleeved with a locking ring (73) which is made of elastic material and has a gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544433.1U CN216191047U (en) | 2021-10-21 | 2021-10-21 | Production is with automatic blowing system of polyurethane resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544433.1U CN216191047U (en) | 2021-10-21 | 2021-10-21 | Production is with automatic blowing system of polyurethane resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216191047U true CN216191047U (en) | 2022-04-05 |
Family
ID=80886668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122544433.1U Expired - Fee Related CN216191047U (en) | 2021-10-21 | 2021-10-21 | Production is with automatic blowing system of polyurethane resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216191047U (en) |
-
2021
- 2021-10-21 CN CN202122544433.1U patent/CN216191047U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |