CN214533536U - Vacuum pump set for high-end photovoltaic module production - Google Patents
Vacuum pump set for high-end photovoltaic module production Download PDFInfo
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- CN214533536U CN214533536U CN202022560729.8U CN202022560729U CN214533536U CN 214533536 U CN214533536 U CN 214533536U CN 202022560729 U CN202022560729 U CN 202022560729U CN 214533536 U CN214533536 U CN 214533536U
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Abstract
The utility model relates to a vacuum pump group for high-end photovoltaic module production, which comprises a frame (2.1), a Roots vacuum pump (2.2) arranged on the upper layer of the frame (2.1), a screw vacuum pump (2.3) arranged on the lower layer of the frame (2.1), a control cabinet (2.4) arranged on the left side of the frame (2.1) and a silencer (2.5) arranged on the right side of the frame (2.1); and an air outlet at the bottom surface of the Roots vacuum pump (2.2) is connected with an air inlet of the screw vacuum pump (2.3), and an air outlet of the screw vacuum pump (2.3) is connected with an air inlet of the silencer (2.5). The utility model discloses compact structure, blowdown simple structure can in time effectively discharge liquid in the vacuum pump, reduce the vacuum pump fault rate, improve the life-span and the work efficiency of vacuum pump, reduce the consumption, prevent effectively that the dust from getting into bearing and lubricating oil loss too fast, improve vacuum pump operational environment, extension working life.
Description
Technical Field
The utility model relates to a vacuum pump package is used in production of high-end photovoltaic module belongs to vacuum apparatus technical field.
Background
Due to the particularity of a vacuum system for producing a high-end photovoltaic module, process gas of the vacuum system contains various sealants, curing agents and other production materials, and the traditional vacuum pump often has the conditions of liquid overstocking, liquid unclean discharge, large exhaust resistance, low exhaust efficiency and increased power consumption in the vacuum pump during vacuum pumping; the vacuum pump bearing is easy to feed ash, and the traditional nitrogen sealing is easy to cause the excessive loss of lubricating oil, thereby causing the dead and damaged bearing.
Disclosure of Invention
An object of the utility model is to overcome the aforesaid not enough, provide a pump body flowing back is efficient, sealed effectual, the fault rate is low, longe-lived high-end photovoltaic module vacuum pump package for production.
The purpose of the utility model is realized like this:
a vacuum pump set for high-end photovoltaic module production comprises a rack, a Roots vacuum pump arranged on the upper layer of the rack, a screw vacuum pump arranged on the lower layer of the rack, a control cabinet arranged on the left side of the rack and a silencer arranged on the right side of the rack; a filtering device is arranged on an air inlet on the top surface of the Roots vacuum pump, an air inlet of the filtering device is connected with an air outlet of the cooling and separating system, an air outlet on the bottom surface of the Roots vacuum pump is connected with an air inlet of the screw vacuum pump, and an air outlet of the screw vacuum pump is connected with an air inlet of the silencer; a silencer water inlet is formed in the side face of the upper portion of the silencer, a water outlet in the side face of the lower portion of the silencer is connected with a top water inlet in the top face of the screw vacuum pump, an end portion water inlet is formed in the front end face of the screw vacuum pump, and the top water inlet and the end portion water inlet are communicated to a screw pump water outlet formed in the side face of the bottom of the screw vacuum pump through an internal cooling pipeline of the screw vacuum pump; the bottom of the screw vacuum pump is provided with a screw pump sewage outlet;
the utility model relates to a vacuum pump group for high-end photovoltaic module production, a pneumatic butterfly valve is installed on the air inlet of the filtering device of the vacuum pump group, and a pressure transmitter is installed on the air outlet of the filtering device; a nitrogen purging device is arranged on an air inlet of the screw vacuum pump; a vacuum meter is arranged on an exhaust port at the top of the silencer;
the utility model relates to a vacuum pump group for high-end photovoltaic module production, the screw vacuum pump comprises a pump body, a motor arranged at the right end of the pump body, and a pair of screws which are rotatably arranged in the pump body through bearings at the two ends and are in transmission connection with the motor; a dust blocking sealing structure is arranged on the screw shaft close to the end bearing; a sewage discharge structure is arranged at the bottom of the discharge port end of the pump body;
the dust blocking sealing structure comprises a labyrinth sealing device, a dust blocking ring, a dust collecting cavity and an oil sealing device which are sequentially arranged from left to right; the labyrinth sealing device comprises a sealing sleeve arranged on the screw shaft and a sealing ring arranged on the pump body and corresponding to the sealing sleeve; a plurality of annular grooves are formed in the outer circumference of the sealing sleeve, and a plurality of annular protrusions are formed in the inner circumference of the sealing ring; the number and the positions of the annular groove and the annular bulge correspond to each other, the annular bulge is embedded in the annular groove in a sliding manner, and the annular bulge is made of elastic wear-resistant material; the excircle diameter of the dust blocking ring is larger than that of the sealing ring; the dust collecting cavity is an annular cavity body arranged between the dust blocking ring and the oil sealing device, the upper layer of the dust collecting cavity is communicated with a dust removing port arranged on the top surface of the pump body through a pipeline, and the lower layer of the dust collecting cavity is communicated with a dust discharging port arranged on the bottom surface of the pump body through a pipeline;
the sewage discharge structure comprises an inner discharge port arranged on the end surface of the bottom of the inner cavity of the pump body at the discharge port end, an outer discharge port arranged on the bottom surface of the pump body, and a sewage discharge drainage cavity which is arranged in the pump body and communicated with the inner discharge port and the outer discharge port; the inner wall of the sewage drainage cavity is of a curved surface structure from high to low from the inner discharge port to the outer discharge port; the external discharge port is connected with a screw pump sewage outlet.
When the auxiliary agent-containing production gas pump works, the production gas containing the auxiliary agent enters a filtering device of a vacuum pump set, the production gas enters a roots vacuum pump after being filtered, and then enters a screw vacuum pump after being compressed by the roots vacuum pump, the gaseous auxiliary agent with low liquefaction temperature in the production gas is gradually compressed and condensed into liquid, and the liquid enters a pollution discharge drainage cavity through an inner discharge port to be quickly drained to an outer discharge port, so that the liquid is timely discharged out of a pump body; non-condensable gas in the production gas is discharged into the silencer from the screw vacuum pump and is discharged from an exhaust port of the silencer; the dust particles in the pump body of the screw vacuum pump are blocked by the labyrinth sealing device and then are thrown into a dust collection cavity by the dust blocking ring in a rotating manner for collection, so that the dust particles are prevented from entering the oil sealing device and further threatening the operation of a bearing; when the equipment is maintained, nitrogen is introduced from the dust removal port to discharge the dust in the dust collection cavity out of the pump body from the dust discharge port, or a dust suction device is connected to the dust discharge port to suck the dust in the dust collection cavity out of the pump body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model arranges a sewage draining structure with simple structure at the position of the pump body discharge port of the vacuum pump, effectively discharges the liquid in the vacuum pump in time, reduces the failure rate of the vacuum pump, improves the service life and the working efficiency of the vacuum pump, and reduces the power consumption; improve the sealed dustproof construction of vacuum pump, prevent effectively that the dust from getting into bearing and lubricating oil loss too fast, improve vacuum pump operational environment, extension working life.
Drawings
Fig. 1 is the utility model relates to a vacuum pump package's for high-end photovoltaic module production structure schematic diagram.
Fig. 2 is a schematic front view of a vacuum pump set of the vacuum system for high-end photovoltaic module production according to the present invention.
Fig. 3 is a schematic top view of a vacuum pump set of the vacuum system for high-end photovoltaic module production according to the present invention.
Fig. 4 is the utility model relates to a screw vacuum pump structure schematic diagram of vacuum pump package is used in high-end photovoltaic module production.
Fig. 5 is the utility model relates to a screw vacuum pump keeps off dirt seal structure and blowdown schematic structural diagram of vacuum pump package for high-end photovoltaic module production.
Fig. 6 is the utility model relates to a screw vacuum pump dust collection chamber and blowdown drainage chamber structural sketch of vacuum pump package for high-end photovoltaic module production.
Fig. 7 is the utility model relates to a high-end photovoltaic module production is with screw vacuum pump dust blocking seal structure local enlarged schematic diagram of vacuum pump package.
Wherein:
the device comprises a pump body 101, a motor 102, a screw 103, a dust blocking sealing structure 104, a pollution discharge structure 105, an inner discharge port 106, an outer discharge port 107 and a pollution discharge drainage cavity 108;
a pressure transmitter 301, a pneumatic butterfly valve 303 and a vacuum gauge 304;
the device comprises a frame 2.1, a Roots vacuum pump 2.2, a screw vacuum pump 2.3, a control cabinet 2.4, a silencer 2.5, a filtering device 2.6 and a nitrogen purging device 2.7;
a top water inlet 2.3.1, a tip water inlet 2.3.2, a screw pump water outlet 2.3.3, a screw pump sewage outlet 2.3.4 and a silencer water inlet 2.5.1.
Detailed Description
Referring to fig. 1-7, the vacuum pump set for high-end photovoltaic module production according to the present invention comprises a frame 2.1, a roots vacuum pump 2.2 disposed on the upper layer of the frame 2.1, a screw vacuum pump 2.3 disposed on the lower layer of the frame 2.1, a control cabinet 2.4 disposed on the left side of the frame 2.1, and a silencer 2.5 disposed on the right side of the frame 2.1; a filtering device 2.6 is arranged on an air inlet on the top surface of the Roots vacuum pump 2.2, an air inlet of the filtering device 2.6 is connected with an air outlet of the cooling and separating system 1, an air outlet on the bottom surface of the Roots vacuum pump 2.2 is connected with an air inlet of the screw vacuum pump 2.3, and an air outlet of the screw vacuum pump 2.3 is connected with an air inlet of the silencer 2.5; a silencer water inlet 2.5.1 is formed in the side face of the upper portion of the silencer 2.5, a water outlet in the side face of the lower portion of the silencer 2.5 is connected with a top water inlet 2.3.1 in the top face of the screw vacuum pump 2.3, an end portion water inlet 2.3.2 is formed in the front end face of the screw vacuum pump 2.3, and the top water inlet 2.3.1 and the end portion water inlet 2.3.2 are communicated with a screw pump water outlet 2.3.3 formed in the side face of the bottom of the screw vacuum pump 2.3 through an internal cooling pipeline of the screw vacuum pump 2.3; the bottom of the screw vacuum pump 2.3 is provided with a screw pump sewage draining outlet 2.3.4;
further, a pneumatic butterfly valve 303 is arranged on an air inlet of the filtering device 2.6, and a pressure transmitter 301 is arranged on an air outlet of the filtering device 2.6; a nitrogen purging device 2.7 is arranged on an air inlet of the screw vacuum pump 2.3; a vacuum meter 304 is arranged on a top exhaust port of the silencer 2.5;
further, the screw vacuum pump 2.3 comprises a pump body 101, a motor 102 installed at the right end of the pump body 101, and a pair of screws 103 rotatably installed inside the pump body 101 through bearings at both ends and in transmission connection with the motor 102; a dust-blocking sealing structure 104 is arranged on the shaft of the screw 103 near the end bearing; a sewage discharge structure 105 is arranged at the bottom of the discharge port end of the pump body 101;
the dust-blocking sealing structure 104 comprises a labyrinth sealing device 201, a dust-blocking ring 202, a dust-collecting cavity 203 and an oil sealing device 204 which are arranged from left to right in sequence; the labyrinth seal device 201 comprises a gland 205 mounted on the shaft of the screw 103 and a seal ring 206 arranged on the pump body 101 at a position corresponding to the gland 205; a plurality of annular grooves 207 are formed on the outer circumference of the sealing sleeve 205, and a plurality of annular protrusions 208 are formed on the inner circumference of the sealing ring 206; the number and the positions of the annular groove 207 and the annular protrusion 208 are corresponding, the annular protrusion 208 is embedded in the annular groove 207 in a sliding manner, and the annular protrusion 208 is made of elastic wear-resistant material; the outer circle diameter of the dust blocking ring 202 is larger than that of the sealing ring 206; the dust collection cavity 203 is an annular cavity body arranged between the dust ring 202 and the oil seal device 204, the upper layer of the dust collection cavity 203 is communicated with a dust removal port 209 arranged on the top surface of the pump body 101 through a pipeline, and the lower layer of the dust collection cavity 203 is communicated with a dust discharge port 210 arranged on the bottom surface of the pump body 101 through a pipeline;
the sewage discharge structure 105 comprises an inner discharge port 106 arranged on the end surface of the bottom of the inner cavity of the pump body 101 at the discharge port end, an outer discharge port 107 arranged on the bottom surface of the pump body, and a sewage discharge drainage cavity 108 which is arranged in the body of the pump body 101 and communicated with the inner discharge port 106 and the outer discharge port 107; the inner wall of the drainage cavity 108 is of a curved surface structure from high to low from the inner discharge port 106 to the outer discharge port 107; the external discharge port 107 is connected with a screw pump sewage outlet 2.3.4.
When the device works, the production gas containing the auxiliary agent enters the filtering device 2.6 of the vacuum pump set, the production gas enters the Roots vacuum pump 2.2 after being filtered, and then enters the screw vacuum pump 2.3 after being compressed by the Roots vacuum pump 2.2, the gaseous auxiliary agent with low liquefaction temperature in the production gas is condensed into liquid along with gradual compression, enters the pollution discharge drainage cavity 108 through the inner discharge port 106 and is quickly drained to the outer discharge port 107, and is timely discharged out of the pump body through the screw pump sewage discharge port 2.3.4; the rest non-condensable gas in the production gas is discharged into a silencer 2.5 from an exhaust port of the screw vacuum pump 2.3 and is discharged from an exhaust port of the silencer 2.5; the dust particles in the pump body 101 of the screw vacuum pump 2.3 are partially blocked by the labyrinth seal device 201 and then are thrown into the dust collection cavity 203 by the dust blocking ring 202 in a rotating manner for collection, so that the dust particles are prevented from entering the oil seal device 204 and further threatening the operation of a bearing; during maintenance of the equipment, nitrogen is introduced from the dust removal port 209 to discharge dust in the dust collection chamber 203 out of the pump body 101 through the dust discharge port 210, or a dust suction device is connected to the dust discharge port 210 to suck dust in the dust collection chamber 203 out of the pump body 101.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (4)
1. The utility model provides a vacuum pump package is used in production of high-end photovoltaic module which characterized in that: the vacuum pump group comprises a rack (2.1), a Roots vacuum pump (2.2) arranged on the upper layer of the rack (2.1), a screw vacuum pump (2.3) arranged on the lower layer of the rack (2.1), a control cabinet (2.4) arranged on the left side of the rack (2.1) and a silencer (2.5) arranged on the right side of the rack (2.1); a filtering device (2.6) is arranged on an air inlet on the top surface of the Roots vacuum pump (2.2), an air inlet of the filtering device (2.6) is connected with an air outlet of the cooling and separating system (1), an air outlet on the bottom surface of the Roots vacuum pump (2.2) is connected with an air inlet of the screw vacuum pump (2.3), and an air outlet of the screw vacuum pump (2.3) is connected with an air inlet of the silencer (2.5); a silencer water inlet (2.5.1) is formed in the side face of the upper portion of the silencer (2.5), a water outlet in the side face of the lower portion of the silencer (2.5) is connected with a top water inlet (2.3.1) in the top face of the screw vacuum pump (2.3), an end portion water inlet (2.3.2) is formed in the front end face of the screw vacuum pump (2.3), and the top water inlet (2.3.1) and the end portion water inlet (2.3.2) are communicated to a screw pump water outlet (2.3.3) formed in the side face of the bottom of the screw vacuum pump (2.3) through an internal cooling pipeline of the screw vacuum pump (2.3); and a screw pump sewage outlet (2.3.4) is arranged at the bottom of the screw vacuum pump (2.3).
2. The vacuum pump set for high-end photovoltaic module production according to claim 1, characterized in that: the screw vacuum pump (2.3) comprises a pump body (101), a motor (102) arranged at the right end of the pump body (101), and a pair of screws (103) which are rotatably arranged in the pump body (101) through bearings at two ends and are in transmission connection with the motor (102); a dust-blocking sealing structure (104) is arranged on the shaft of the screw (103) and close to the end bearing; a pollution discharge structure (105) is arranged at the bottom of the discharge port end of the pump body (101).
3. The vacuum pump set for high-end photovoltaic module production according to claim 2, wherein: the dust-blocking sealing structure (104) comprises a labyrinth sealing device (201), a dust-blocking ring (202), a dust-collecting cavity (203) and an oil sealing device (204) which are arranged from left to right in sequence; the labyrinth seal device (201) comprises a seal sleeve (205) arranged on the shaft of the screw rod (103) and a seal ring (206) arranged on the pump body (101) and corresponding to the seal sleeve (205); a plurality of annular grooves (207) are formed in the outer circumference of the sealing sleeve (205), and a plurality of annular protrusions (208) are formed in the inner circumference of the sealing ring (206); the number and the positions of the annular groove (207) and the annular protrusion (208) are corresponding, the annular protrusion (208) is embedded in the annular groove (207) in a sliding manner, and the annular protrusion (208) is made of elastic wear-resistant material; the excircle diameter of the dust blocking ring (202) is larger than that of the sealing ring (206); the dust collection cavity (203) is an annular cavity arranged between the dust blocking ring (202) and the oil seal device (204), the upper layer of the dust collection cavity (203) is communicated with a dust removal port (209) arranged on the top surface of the pump body (101) through a pipeline, and the lower layer of the dust collection cavity (203) is communicated with a dust removal port (210) arranged on the bottom surface of the pump body (101) through a pipeline.
4. The vacuum pump set for high-end photovoltaic module production according to claim 2, wherein: the sewage discharge structure (105) comprises an inner discharge port (106) arranged on the end surface of the bottom of the inner cavity of the pump body (101) at the discharge port end, an outer discharge port (107) arranged on the bottom surface of the pump body, and a sewage discharge drainage cavity (108) which is arranged in the body of the pump body (101) and communicated with the inner discharge port (106) and the outer discharge port (107); the inner wall of the pollution discharge drainage cavity (108) is of a curved surface structure from high to low from an inner discharge port (106) to an outer discharge port (107); the outer discharge port (107) is connected with a screw pump sewage outlet (2.3.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560729.8U CN214533536U (en) | 2020-11-09 | 2020-11-09 | Vacuum pump set for high-end photovoltaic module production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560729.8U CN214533536U (en) | 2020-11-09 | 2020-11-09 | Vacuum pump set for high-end photovoltaic module production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533536U true CN214533536U (en) | 2021-10-29 |
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ID=78287707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022560729.8U Active CN214533536U (en) | 2020-11-09 | 2020-11-09 | Vacuum pump set for high-end photovoltaic module production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533536U (en) |
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2020
- 2020-11-09 CN CN202022560729.8U patent/CN214533536U/en active Active
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