CN210174045U - Butane gas injection system for PS sheet production - Google Patents
Butane gas injection system for PS sheet production Download PDFInfo
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- CN210174045U CN210174045U CN201920588150.7U CN201920588150U CN210174045U CN 210174045 U CN210174045 U CN 210174045U CN 201920588150 U CN201920588150 U CN 201920588150U CN 210174045 U CN210174045 U CN 210174045U
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- pneumatic booster
- booster pump
- butane
- butane gas
- injection system
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Abstract
The utility model discloses a butane gas injection system for PS sheet production, which comprises a water cooling device, an air compressor, a butane supply device, a primary pneumatic booster pump set, a buffer tank, a secondary pneumatic booster pump set, a constant delivery pump and a foaming machine, wherein the butane supply device, the primary pneumatic booster pump set, the buffer tank, the secondary pneumatic booster pump set, the constant delivery pump and the foaming machine are sequentially connected through pipelines; by arranging the water cooling device, the characteristics of no electric arc spark and large specific heat capacity of water of the pneumatic booster pump are utilized, and cold water is adopted to dissipate heat of the pneumatic booster pump; the water cooling device is simple and efficient in arrangement in the butane gas injection system, the transformation cost of the system is reduced, the economic applicability is high, the service life of the pneumatic booster pump set is prolonged, and the stable operation work of the butane gas injection system in the production of PS sheets is effectively guaranteed.
Description
Technical Field
The utility model relates to a PS sheet production field, in particular to butane gas injection system for PS sheet production.
Background
The PS sheet is a product produced by Polystyrene (Polystyrene) particles through secondary foaming, is also called as a pearl board in the advertising industry and the packaging industry, and is a novel environment-friendly packaging material. The packaging material has the characteristics of stiffness, smoothness, lightness, flatness, difficult deformation, various varieties, environmental protection, no toxicity, wide application and the like, is an ideal substitute of the traditional packaging material, and is widely applied to the packaging industry. In the production process of PS sheets, foaming of raw materials is required, and butane is generally used as a foaming agent in the foaming process.
In the prior art, a butane gas injection system applied to a PS sheet foaming process generally includes a butane gas cylinder, a pneumatic booster pump, a buffer tank, a fixed displacement pump, and a foaming machine, and the butane is pressurized by the pneumatic booster pump and supplied to the fixed displacement pump, and then pressurized by the fixed displacement pump and injected into the foaming machine for foaming. In the continuous butane gas injection working process, the heat emitted by the pneumatic booster pump is high, the pneumatic booster pump is easily damaged, the boosting work is influenced, and the butane gas injection system cannot normally and stably work.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, an object of the utility model is to provide a butane gas injection system for production of PS sheet aims at realizing the heat dissipation to pneumatic booster pump, reduces pneumatic booster pump's damage, prolongs pneumatic booster pump's life, guarantees the normal stable work of butane gas injection system.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a butane gas injection system for PS sheet production comprises a water cooling device, an air compressor, a butane supply device, a primary pneumatic booster pump set, a buffer tank, a secondary pneumatic booster pump set, a constant delivery pump and a foaming machine, wherein the butane supply device, the primary pneumatic booster pump set, the buffer tank, the secondary pneumatic booster pump set, the constant delivery pump and the foaming machine are sequentially connected through pipelines; the water cooling device comprises a cold water pipe, a cold water tank for supplying cold water and a control valve for controlling the on-off of the cold water pipe, wherein the water outlet end of the cold water pipe is respectively arranged on the primary pneumatic booster pump group and the secondary pneumatic booster pump group through a water distribution pipe; the air compressor is used for driving the first-stage pneumatic booster pump and the second-stage pneumatic booster pump to work.
The butane gas injection system for PS sheet production, wherein the butane supply device comprises a butane gas bottle, a spare butane gas bottle and a pipeline switching device; the butane gas bottle and the spare butane gas bottle are both connected with the primary pneumatic booster pump set through the pipeline switching device.
The butane gas injection system for PS sheet production is characterized in that the primary pneumatic booster pump set and the secondary pneumatic booster pump set respectively comprise a plurality of pneumatic booster pumps connected in parallel; the number of the pneumatic booster pumps arranged in the first-stage pneumatic booster pump group is the same as that of the pneumatic booster pumps arranged in the second-stage pneumatic booster pump group.
A butane gas injection system for PS sheet production, wherein, still include explosion-proof equipment, explosion-proof equipment includes explosion-proof exhaust fan and sets up the gas leakage alarm in butane feeding device department, the gas leakage alarm is used for detecting the switch of combustible gas concentration and control explosion-proof exhaust fan.
The butane gas injection system for PS sheet production is characterized in that a bypass pipeline is arranged between the pipeline switching device and the buffer tank, and a stop valve is arranged on the bypass pipeline.
The butane gas injection system for PS sheet production is characterized in that a pressure gauge and a relief valve are arranged on the buffer tank.
Has the advantages that:
compared with the prior art, the butane gas injection system for PS sheet production adopts the characteristics of no electric arc spark and large specific heat capacity of water of the pneumatic booster pump and adopts cold water to dissipate heat of the pneumatic booster pump set by arranging the water cooling device; the water cooling device is simple and efficient in arrangement in the butane gas injection system, the transformation cost of the system is reduced, the economic applicability is high, the service life of the pneumatic booster pump set is prolonged, and the stable operation work of the butane gas injection system in the production of PS sheets is effectively guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a butane gas injection system for PS sheet production according to the present invention.
Description of the main element symbols:
the system comprises a water cooling device 10, an air compressor 20, a butane supply device 30, a primary pneumatic booster pump set 40, a buffer tank 50, a secondary pneumatic booster pump set 60, a constant delivery pump 70, a foaming machine 80 and an explosion-proof device 90;
a cold water pipe 11, a cold water tank 12, a control valve 13, a water distribution pipe 14 and a cold water switch 15;
a butane gas bottle 31, a spare butane gas bottle 32 and a pipeline switching device 33;
a bleeding valve 51, a pressure gauge 52, an anti-explosion exhaust fan 91 and a gas leakage alarm 92;
a pneumatic booster pump 100, a bypass conduit 200, a shut-off valve 300.
Detailed Description
The utility model provides a butane gas injection system for PS sheet production, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a butane gas injection system for PS sheet production, which includes a water cooling device 10, an air compressor 20, and a butane supply device 30, a primary pneumatic booster pump set 40, a buffer tank 50, a secondary pneumatic booster pump set 60, a constant delivery pump 70 and a foaming machine 80, which are connected in sequence through a pipeline; the water cooling device comprises a cold water pipe 11, a cold water tank 12 for supplying cold water and a control valve 13 for controlling the on-off of the cold water pipe, wherein the water outlet end of the cold water pipe is respectively arranged on a first-stage pneumatic booster pump group and a second-stage pneumatic booster pump group through a water distribution pipe 14; the air compressor is used for driving the first-stage pneumatic booster pump and the second-stage pneumatic booster pump to work. Preferably, the outlet end of the cold water pipe is provided with a cold water switch 15, and the cold water switch can be a water tap.
The main part of the pneumatic booster pump 100, which generates heat, is a booster cylinder, the cold water device 10 mainly dissipates heat from the booster cylinder, and the water outlet end of the cold water pipe 11 is arranged on the outer wall of the booster cylinder to take away heat from the surface of the cold water pipe through cold water.
The first-stage pneumatic booster pump unit 40 conveys butane gas in the butane supply device 30 into the buffer tank 50 through the working suction path, then the butane in the buffer tank is conveyed to the fixed displacement pump 70 through pressurization by the second-stage pneumatic booster pump unit 60, the fixed displacement pump pressurizes again to inject the butane into the foaming machine 80, and the butane is used as a foaming agent to participate in the foaming process of the PS sheet.
The primary pneumatic booster pump group 40 and the secondary pneumatic booster pump group 60 are driven by air pressure, are free of electric arcs and sparks, are suitable for PS sheet production places of butane gas injection systems, and avoid butane explosion caused by the electric arcs and sparks. The one-level pneumatic booster pump group and the second-level pneumatic booster pump group are easy to generate heat in the boosting working process, equipment is easy to damage due to high heat, and heat dissipation is carried out on the equipment through the water cooling device 10 due to the characteristics that the equipment does not have arc sparks and the water specific heat capacity is large. The water cooling device is simple and efficient in arrangement in the butane gas injection system, the transformation cost of the system is reduced, the economic applicability is high, the service life of the pneumatic booster pump set is prolonged, and the stable operation work of the butane gas injection system in the production of PS sheets is effectively guaranteed.
In certain embodiments, the butane supply means comprises a butane gas cylinder 31, a spare butane gas cylinder 32, and a conduit switching means 33; the butane gas bottle and the spare butane gas bottle are both connected with the primary pneumatic booster pump set through the pipeline switching device. Wherein, the butane gas bottle and the spare butane gas bottle can be arranged in a plurality of ways. When the pipeline switching device detects that the pressure in the butane gas bottle is reduced to the set pressure, the pipeline switching device is switched to the standby butane gas bottle to continue gas supply.
In some embodiments, each of the primary pneumatic booster pump group 40 and the secondary pneumatic booster pump group 60 includes several pneumatic booster pumps 100 connected in parallel; the number of the pneumatic booster pumps arranged in the first-stage pneumatic booster pump group is the same as that of the pneumatic booster pumps arranged in the second-stage pneumatic booster pump group. By connecting a plurality of pneumatic booster pumps in parallel, the running number of the pneumatic booster pumps can be adjusted according to the butane demand of the foaming machine. Preferably, the number of the pneumatic booster pumps operated by the primary pneumatic booster pump group and the secondary pneumatic booster pump group is the same, so that the pressure change in the buffer tank 50 is ensured to be within a stable range.
In some embodiments, an explosion proof device 90 is also included, including an explosion proof exhaust fan 91 and a gas leak alarm 92 disposed at the butane supply. The gas leakage alarm can detect the concentration of combustible gas in the air, judges that the gas leaks when the concentration of the combustible gas in the air reaches the set concentration, and starts the anti-explosion exhaust fan to prevent the combustible gas from causing explosion or other accidents when the concentration of the combustible gas in the air is too high. Preferably, the gas leakage alarm can be arranged at the bottom of the butane gas bottle.
In some embodiments, a bypass conduit 200 is provided between the conduit switching device and the buffer tank. When the pneumatic booster pump package of one-level needs to be overhauld, open the bypass pipeline through trip valve 300, the butane gas supplies the air in the buffer tank through the bypass pipeline, maintains the normal work of system, avoids shutting down. When the overhaul of the first-stage pneumatic booster pump set is completed, the bypass pipeline is closed through the stop valve, the first-stage pneumatic booster pump set is started, and the butane gas injection system works normally.
Further, be equipped with manometer 52 and bleeder valve 51 on the buffer tank, when starting the bypass pipeline, according to the manometer that sets up on the buffer tank, can know the pressure size of buffer tank this moment, when the buffer tank internal pressure was too big, can open the bleeder valve and release unnecessary gas, reduce the pressure in the buffer tank.
In certain embodiments, in particular, a shut-off valve 300 is provided between each of the butane gas bottle 31, the spare butane gas bottle 32 and the pipeline switching device 33; similarly, the cut-off valves 300 are arranged between the pipeline switching device and the first-stage pneumatic booster pump unit 40, between the first-stage pneumatic booster pump unit and the buffer tank 50, between the buffer tank and the second-stage pneumatic booster pump unit 60, and between the second-stage pneumatic booster pump unit and the constant delivery pump 70. Through above-mentioned setting, further improve the security of butane gas injection system.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (6)
1. A butane gas injection system for PS sheet production is characterized by comprising a water cooling device, an air compressor, a butane supply device, a primary pneumatic booster pump set, a buffer tank, a secondary pneumatic booster pump set, a quantitative pump and a foaming machine, wherein the butane supply device, the primary pneumatic booster pump set, the buffer tank, the secondary pneumatic booster pump set, the quantitative pump and the foaming machine are sequentially connected through pipelines; the water cooling device comprises a cold water pipe, a cold water tank for supplying cold water and a control valve for controlling the on-off of the cold water pipe, wherein the water outlet end of the cold water pipe is respectively arranged on the primary pneumatic booster pump group and the secondary pneumatic booster pump group through a water distribution pipe; the air compressor is used for driving the first-stage pneumatic booster pump and the second-stage pneumatic booster pump to work.
2. The butane gas injection system for PS sheet production according to claim 1, wherein the butane supply means comprises a butane gas cylinder, a spare butane gas cylinder and a pipe switching means; the butane gas bottle and the spare butane gas bottle are both connected with the primary pneumatic booster pump set through the pipeline switching device.
3. The butane gas injection system for PS sheet production according to claim 1, wherein each of the primary and secondary pneumatic booster pump groups comprises several pneumatic booster pumps connected in parallel; the number of the pneumatic booster pumps arranged in the first-stage pneumatic booster pump group is the same as that of the pneumatic booster pumps arranged in the second-stage pneumatic booster pump group.
4. A butane gas injection system for PS sheet production according to claim 1, further comprising an explosion-proof device comprising an explosion-proof exhaust fan and a gas leakage alarm provided at the butane supply device, the gas leakage alarm being used to detect the concentration of combustible gas and control the on-off of the explosion-proof exhaust fan.
5. The butane gas injection system for PS sheet production according to claim 2, wherein a bypass pipeline is arranged between the pipeline switching device and the buffer tank, and a shut-off valve is arranged on the bypass pipeline.
6. The butane gas injection system for PS sheet production according to claim 5, wherein the buffer tank is provided with a pressure gauge and a bleed valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588150.7U CN210174045U (en) | 2019-04-26 | 2019-04-26 | Butane gas injection system for PS sheet production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588150.7U CN210174045U (en) | 2019-04-26 | 2019-04-26 | Butane gas injection system for PS sheet production |
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| CN210174045U true CN210174045U (en) | 2020-03-24 |
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| CN201920588150.7U Active CN210174045U (en) | 2019-04-26 | 2019-04-26 | Butane gas injection system for PS sheet production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421737A (en) * | 2020-05-08 | 2020-07-17 | 成都东日瑞姆机械有限公司 | Cyclopentane foaming equipment |
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2019
- 2019-04-26 CN CN201920588150.7U patent/CN210174045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421737A (en) * | 2020-05-08 | 2020-07-17 | 成都东日瑞姆机械有限公司 | Cyclopentane foaming equipment |
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