CN205467241U - A concentrate vacuum system for PVC plastic material production line - Google Patents

Abstract

The utility model relates to a centralized vacuum system used in a PVC plastic profile production line, which belongs to the field of vacuuming in industrial production. The water ring vacuum pump Ⅰ of the vacuum station generating device Ⅰ is connected to the vacuum tank of the primary water-gas separation device, the vacuum tank of the primary water-gas separation device is connected to the negative pressure water tank of the secondary water-gas separation device, and the water ring of the vacuum generating device Ⅱ Type vacuum pump II is connected to the negative pressure water tank of the secondary water-gas separation device, the negative pressure water tank of the secondary water-gas separation device is connected to the water frame of the vacuum water rack device, and the negative pressure water tank of the secondary water-gas separation device is connected to the shaping table , The vacuum generating device II and the secondary water-air separation device are installed inside the shaping table, and the vacuum water rack device is installed on the shaping table. The advantages are: novel concept, simple structure, safe and convenient use, remarkable energy-saving effect, reduced labor and material loss, reduced labor intensity, improved production stability, improved equipment on-site, clear pipeline, easy operation, and sound and light alarm function .

Description

Centralized vacuum system for PVC plastic profile production line

technical field

The utility model relates to the field of vacuuming in industrial production, in particular to a centralized vacuum system used in a PVC plastic profile production line. The utility model uses a water ring vacuum pump group as a vacuum generating device, and is a complete set of equipment manufactured by adopting the water-air separation principle of the vacuum storage device, the vacuum tank and the negative pressure water tank.

Background technique

At present, the problem of the stereotyped vacuum system of the traditional PVC plastic profile extruder equipment mainly lies in the high energy consumption during the operation of the system. Since the shaping vacuum system is composed of 4 water ring vacuum pumps (shaping vacuum pump 1, shaping vacuum pump 2, shaping vacuum pump 3 and negative pressure vacuum pump) and 1 water pump, and 4 water ring vacuum pumps and One water pump is always running, so the energy consumption of the system is high; in addition, the pressure of the sizing water tank is too high during production, and the pressure in the sizing water tank needs to be reduced by deflation, so the utilization rate is not high; the system does not have an alarm device, and it cannot reflected in time. Needs to be improved.

Contents of the invention

The purpose of this utility model is to provide a centralized vacuum system for PVC plastic profile production line, which solves the above-mentioned problems existing in the prior art. The utility model adopts centralized vacuum technology, gathers a plurality of vacuum pumps together as vacuum generating equipment, and uses the principle of water-air separation to separate water and air in the production process. The primary water-air separation device uses a vacuum tank as a storage device and a water pump as a Drainage equipment, the secondary water-air separation device uses negative pressure water tanks as storage equipment, and water pumps as drainage equipment. The electric contact water level gauge controls the start and stop of the water pump, and the electric contact vacuum gauge and alarm light monitor and remind the system pressure.

Above-mentioned purpose of the utility model is realized through the following technical solutions:

Centralized vacuum system for PVC plastic profile production line, including vacuum generating device I1, primary water-air separation device 2, vacuum generating device II3, secondary water-air separation device 4, shaping vacuum water stand device 5 and shaping table 6, the The water ring vacuum pump I11 of the vacuum station generating device I1 is connected to the vacuum tank 21 of the primary water-gas separation device 2 through pipe fittings and pipelines, and the vacuum tank 21 of the primary water-gas separation device 2 is connected to the vacuum tank 21 of the secondary water-gas separation device 4 Negative pressure water tank 41 is connected through pipe fittings and pipelines, and the water ring vacuum pump II31 of said vacuum generating device II3 is connected with negative pressure water tank 41 of secondary water-gas separation device 4 through pipe fittings and pipelines, and said secondary water-gas separation The negative pressure water tank 41 of device 4 is connected with the water rack 51 of vacuum water rack device 5 through pipe fittings and pipelines, and the negative pressure water tank 41 of described secondary water-gas separation device 4 is connected with shaping platform 6 through pipe fittings and pipelines, so The vacuum generating device II3 and the secondary water-air separation device 4 are installed inside the shaping table 6, and the vacuum water rack device 5 is installed on the shaping table 6.

The vacuum generating device I1 includes a water ring vacuum pump I11, a copper ball valve 12, and a one-way valve 13, wherein the water ring vacuum pump I11 is installed on a bracket, and the water ring vacuum pump I11 passes through pipe fittings, pipelines and a vacuum tank 21 connect. The copper ball valve 12 and the one-way valve 13 are installed on the suction side of the water ring vacuum pump I11 through pipe fittings.

The primary water-gas separation device 2 includes a vacuum tank 21, a water pump I22, an electric contact water level gauge I23, an alarm light 24, an electric contact vacuum gauge I25, and a sewage outlet 26, wherein the vacuum tank 21 and the water pump I22 pass through the flange Connected with the pipeline, the electric contact water level gauge I23 is installed at the bottom of the vacuum tank 21, the alarm light 24 and the electric contact vacuum gauge I25 are installed at the top of the vacuum tank 21, and the sewage outlet 26 is installed at the bottom of the vacuum tank 21.

The vacuum device II3 includes a water ring vacuum pump II31 and a copper ball valve II32, wherein the water ring vacuum pump II31 is connected to the negative pressure water tank 41 through pipe fittings and pipelines. The copper ball valve II32 is installed on the suction side of the water ring vacuum pump II31 through pipe fittings.

The secondary water-gas separation device 4 includes a negative pressure water tank 41, a water pump II42, an electric contact water level gauge II43, and a copper ball valve III44, wherein the electric contact water level gauge II43 is installed on the negative pressure water tank 41, and the negative pressure The water tank 41 is connected with the water pump II 42 through the copper ball valve III 44 and the pipeline.

The vacuum water stand device 5 includes a water stand 51, an electric contact vacuum gauge II 52, a vacuum gauge 53, a water pressure gauge 54, and a ball valve 55, wherein the water stand 51 is installed on the setting table 6, and the electric contact vacuum Table II 52 and vacuum gauge 53 are installed in the upper row of water rack 51 respectively, and the water pressure gauge 54 is installed in the middle row of water rack 51; 16 ball valves 55 are arranged in the upper row of water rack 51, and 28 ball valves 55 are arranged in the middle row.

The beneficial effects of the utility model are: novel conception, simple structure, safe and convenient use, significant energy-saving effect, reduced labor and material loss, reduced labor intensity, improved production stability, improved equipment on-site, clear pipelines, easy operation, The centralized vacuum system can realize the automation of supplementary pressure and has the function of sound and light alarm. Vacuum tanks and negative pressure water tanks utilize the principle of water-gas separation. Strong practicality.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic examples and descriptions of the utility model are used to explain the utility model and do not constitute improper limitations to the utility model.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of primary water-gas separation device of the present utility model;

Fig. 3 is the structural representation of secondary water-gas separation device of the present utility model;

Fig. 4 is the structural representation of the vacuum water stand device of the present utility model;

Fig. 5 is a structural schematic diagram of the water ring vacuum pump II and the negative pressure water tank of the present invention;

Fig. 6 is a structural schematic diagram of the vacuum generating device I and the primary water-gas separation device of the present invention.

In the figure: 1. Vacuum generating device Ⅰ; 2. Primary water-gas separation device; 3. Vacuum generating device Ⅱ; 4. Secondary water-gas separation device; 5. Vacuum water stand device; 12. Copper ball valve Ⅰ; 13. One-way valve; 21. Vacuum tank; 22. Water pump Ⅰ; 23. Electric contact water level gauge Ⅰ; 24. Alarm light; 25. Electric contact vacuum gauge Ⅰ; 26. Sewage 31. Water ring vacuum pump Ⅱ; 32. Copper ball valve Ⅱ; 41. Negative pressure water tank; 42. Water pump Ⅱ; 43. Electric contact water level gauge Ⅱ; 44. Copper ball valve Ⅲ; 51. Water rack; 52. Electric contact Vacuum gauge II; 53. Vacuum gauge; 54. Water pressure gauge; 55. Ball valve.

detailed description

Further illustrate the detailed content of the utility model and its specific implementation below in conjunction with accompanying drawing.

Referring to Fig. 1 to Fig. 6, the centralized vacuum system used in the PVC plastic profile production line of the present invention includes a vacuum generator I1 and a vacuum generator II3 for generating vacuum, and is used for the primary water vapor separation of the water vapor separation device. The separation device 2 and the secondary water-air separation device 4, the vacuum water frame 5 and the sizing table 6 used for the product shaping device, the vacuum generating device I1 and the vacuum generating device II3 are installed on an open space, and the vacuum generating device The water ring vacuum pump I11 of I1 is installed on both sides of the vacuum tank 21 of the primary water-gas separation device 2 through the copper ball valve I12, check valve 13, pipe fittings, etc., and the water ring vacuum pump I11 of the vacuum station generating device I1 and The vacuum tank 21 of primary water-gas separation device 2 is connected by pipe fittings and pipeline, and the vacuum tank 21 of described primary water-gas separation device 2 is connected with the negative pressure water tank 41 of secondary water-gas separation device 4 by pipe fittings and pipeline, so The water ring vacuum pump II31 of the vacuum generating device II3 is connected with the negative pressure water tank 41 of the secondary water-gas separation device 4 through pipe fittings and pipelines, and the negative pressure water tank 41 of the secondary water-gas separation device 4 is connected with the vacuum water stand device The water frame 51 of 5 is connected by pipe fittings and pipelines, the negative pressure water tank 41 of the secondary water-gas separation device 4 is connected with the shaping table 6 by pipe fittings and pipelines, the vacuum generating device II3 and the secondary water-gas separation device 4 is installed inside the shaping table 6, and the vacuum water stand device 5 is installed on the shaping table 6.

Referring to Fig. 6, the vacuum generating device I1 described in the present invention includes a water ring vacuum pump I11, a copper ball valve 12, and a one-way valve 13. Among them, the water ring vacuum pump I11 is installed on a bracket, and the water ring vacuum pump I11 It is connected with the vacuum tank 21 through pipe fittings and pipelines. The copper ball valve 12 and the one-way valve 13 are installed on the suction side of the water ring vacuum pump I11 through pipe fittings.

Referring to Fig. 2, the primary water-gas separation device 2 described in the utility model includes a vacuum tank 21, a water pump I22, an electric contact water level gauge I23, an alarm light 24, an electric contact vacuum gauge I25, and a sewage outlet 26, wherein the The vacuum tank 21 and the water pump I22 are connected by flanges and pipelines, the electric contact water level gauge I23 is installed at the bottom of the vacuum tank 21, the alarm light 24 and the electric contact vacuum gauge I25 are installed on the top of the vacuum tank 21, and the sewage outlet 26 Installed at the bottom of the vacuum tank 21.

Referring to Fig. 5, the vacuum device II3 of the present invention includes a water ring vacuum pump II31 and a copper ball valve II32, wherein the water ring vacuum pump II31 is connected to the negative pressure water tank 41 through pipe fittings and pipelines. The copper ball valve II32 is installed on the suction side of the water ring vacuum pump II31 through pipe fittings.

Referring to Fig. 3, the secondary water-gas separation device 4 described in the utility model includes a negative pressure water tank 41, a water pump II 42, an electric contact water level gauge II 43, and a copper ball valve III 44, wherein the negative pressure water tank 41, the water pump 42, The electric contact water level gauge 43 is installed inside the shaping table 6, and the electric contact water level gauge II43 is installed on the negative pressure water tank 41, and the negative pressure water tank 41 is connected with the water pump II42 through the copper ball valve III44 and the pipeline.

Referring to Fig. 4, the vacuum water stand device 5 described in the utility model includes a water stand 51, an electric contact vacuum gauge II 52, a vacuum gauge 53, a water pressure gauge 54, and a ball valve 55, wherein the water stand 51 is installed on a shaped On the platform 6, the electric contact vacuum gauge II 52 and the vacuum gauge 53 are respectively installed on the upper row of the water rack 51, and the water pressure gauge 54 is installed on the middle row of the water rack 51; 16 ball valves 55 are arranged on the upper row of the water rack 51 28 ball valves 55 are arranged in the middle row.

Comparison of electricity consumption before and after the implementation of the utility model

Table 1. Year-on-year data table of profile unit power consumption in 2014-15 project 15 years profile data 14 years profile data YoY Unit electricity consumption in April (kWh/ton) 463.69 447.75 15.93 Unit electricity consumption in May (kwh/ton) 443.49 442.61 0.88 Unit electricity consumption from June to July (kwh/ton) 440.48 455.96 -15.49 Unit electricity consumption in August (kwh/ton) 398.09 488.23 -90.14 Unit electricity consumption in September (kwh/ton) 380.47 496.99 -116.52 Annual unit power consumption (kWh/ton) 432.21 469.91 -37.70

Table 2. Monthly comparison table of profile unit power consumption in 2015 project 15 years profile data month-on-month data Transformation status Unit electricity consumption in April (kWh/ton) 463.69 Unit electricity consumption in May (kwh/ton) 443.49 -20.2 A system is in trial Unit electricity consumption from June to July (kwh/ton) 440.48 -3.01 A system transformation completed Unit electricity consumption in August (kwh/ton) 398.09 -42.39 The system transformation was completed in two days Unit electricity consumption in September (kwh/ton) 380.47 -17.62 All three systems have been remodeled

From the data in Table 1 and Table 2, it can be seen that from June 2015 to September 2015, the unit power consumption has dropped significantly compared with the same period in 2014. Renovation was carried out, and it was in the trial stage in May. The annual unit power consumption index in 2015 dropped by 37.7 kWh/ton compared with 2014. During the trial period of one system in May 2015, the unit power consumption decreased by 20.2 kWh/ton compared with the previous month. After the completion of the renovation of one system in June and July, the unit power consumption decreased by 3.01 kWh/ton compared with the previous month. In August, the renovation of two systems was completed. After the month-on-month decrease of 42.39 degrees/ton, after the completion of all three systems in September, the month-to-month decrease was 17.62 degrees/ton. After the completion of all renovations of the 15-year project, September was 83.22 degrees/ton lower than April before the transformation.

The above descriptions are only preferred examples of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made to the utility model shall be included in the protection scope of the utility model.

Claims (6)

1. A centralized vacuum system for PVC plastic profile production line, characterized in that it includes vacuum generating device I (1), primary water-gas separation device (2), vacuum generating device II (3), secondary water-gas separation device (4), shaping vacuum water stand device (5) and shaping table (6), the water ring vacuum pump I (11) of the vacuum station generating device I (1) and the vacuum of the primary water-gas separation device (2) The tank (21) is connected through pipe fittings and pipelines, and the vacuum tank (21) of the primary water-gas separation device (2) is connected with the negative pressure water tank (41) of the secondary water-gas separation device (4) through pipe fittings and pipelines , the water ring vacuum pump II (31) of the vacuum generating device II (3) is connected to the negative pressure water tank (41) of the secondary water-gas separation device (4) through pipe fittings and pipelines, and the secondary water-gas separation The negative pressure water tank (41) of the device (4) is connected to the water rack (51) of the vacuum water rack device (5) through pipe fittings and pipelines, and the negative pressure water tank (41) of the secondary water-gas separation device (4) It is connected with the shaping table (6) through pipe fittings and pipelines, the vacuum generating device II (3) and the secondary water-air separation device (4) are installed inside the shaping table (6), and the vacuum water stand device (5) is installed in the on the setting table (6). 2. The centralized vacuum system for PVC plastic profile production line according to claim 1, characterized in that: said vacuum generating device I (1) includes water ring vacuum pump I (11), copper ball valve (12), One-way valve (13) Wherein, the water ring vacuum pump I (11) is installed on a bracket, and the water ring vacuum pump I (11) is connected to the vacuum tank (21) through pipe fittings and pipelines. 3. The centralized vacuum system for PVC plastic profile production line according to claim 1, characterized in that: the primary water-gas separation device (2) includes a vacuum tank (21), water pump I (22), electrical contacts Water level gauge I (23), alarm lamp (24), electric contact vacuum gauge I (25), sewage outlet (26), wherein, the vacuum tank (21) is connected to the water pump I (22) through flanges and pipelines , the electric contact water level gauge I (23) is installed on the lower part of the vacuum tank (21), the alarm lamp (24), the electric contact vacuum gauge I (25) are installed on the top of the vacuum tank (21), and the sewage outlet (26 ) is installed at the bottom of the vacuum tank (21). 4. The centralized vacuum system for PVC plastic profile production line according to claim 1, characterized in that: said vacuum device II (3) includes water ring vacuum pump II (31), copper ball valve II (32), Wherein, the water ring vacuum pump II (31) is connected to the negative pressure water tank (41) through pipe fittings and pipelines. 5. The centralized vacuum system for PVC plastic profile production line according to claim 1, characterized in that: said secondary water-air separation device (4) includes negative pressure water tank (41), water pump II (42), Electric contact water level gauge II (43) and copper ball valve III (44), wherein the electric contact water level gauge II (43) is installed on the negative pressure water tank (41), and the negative pressure water tank (41) passes through the copper ball valve III (44), pipeline are connected with water pump II (42). 6. The centralized vacuum system for PVC plastic profile production line according to claim 1, characterized in that: said vacuum water stand device (5) includes water stand (51), electric contact vacuum gauge II (52), Vacuum gauge (53), water pressure gauge (54), ball valve (55), wherein, the water frame (51) is installed on the setting table (6), the electric contact vacuum gauge II (52) and the vacuum gauge ( 53) Installed on the upper row of the water rack (51), the water pressure gauge (54) is installed on the middle row of the water rack (51); 16 ball valves (55) are installed on the upper row of the water rack (51), and the middle row Set 28 ball valves (55).