CN209856026U - Screw steam compressor with water cooling jacket - Google Patents
Screw steam compressor with water cooling jacket Download PDFInfo
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- CN209856026U CN209856026U CN201920422427.9U CN201920422427U CN209856026U CN 209856026 U CN209856026 U CN 209856026U CN 201920422427 U CN201920422427 U CN 201920422427U CN 209856026 U CN209856026 U CN 209856026U
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- water cooling
- end seat
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Abstract
The screw steam compressor with the water cooling sleeve of the utility model is provided with the water cooling sleeve (6) respectively arranged on the driving shaft and the driven shaft corresponding to the low-pressure end seat (2) and the high-pressure end seat (3), and the outer circular surface of the water cooling sleeve is provided with a spiral groove (63); the apopore is seted up to the left end that corresponds the water cooling jacket on the end base, the inlet opening has been seted up to the mechanical seal chamber that corresponds on the end base, set up on the tang end dish of water cooling jacket right-hand member portion with the through-flow slotted hole (65) that the helicla flute that sets up on the outer disc of water cooling jacket switched on, the cooling water enters into the helicla flute, make the water cooling jacket keep low temperature to carry out the condensation water to the high heat steam through water cooling jacket hole and axle fit clearance, thereby avoid high heat steam to enter into mechanical seal terminal surface antechamber, avoid mechanical seal to be in high heat steam operating mode environment work, mechanical seal's sealing reliability and life improve.
Description
Technical Field
The utility model relates to a screw rod vapor compressor.
Background
The screw vapor compressor comprises a shell, a low-pressure end seat end cover, a high-pressure end seat end cover, a driving shaft, a driven shaft, a driving spiral rotor arranged on the driving shaft in the shell, a driven spiral rotor arranged on the driven shaft in the shell, a driving shaft front end mechanical sealing device, a driving shaft front end bearing, a driving gear arranged on the driving shaft end in the low-pressure end seat end cover, a driving shaft rear end mechanical sealing device and a driving shaft rear end bearing arranged in the high-pressure end seat, a driven shaft front end mechanical sealing device and a driven shaft front end bearing arranged in the low-pressure end seat, a driven gear arranged on the driven shaft end in the low-pressure end seat end cover, a driven shaft rear end mechanical sealing device and a driven shaft rear end bearing arranged in the high-pressure end seat; the low-pressure end seat and the high-pressure end seat are respectively and fixedly connected with the left end and the right end of the casing in an abutting mode, a driving gear on the driving shaft is in meshing transmission with a driven gear on the driven shaft, and a steam inlet and a steam outlet are respectively formed in the left end and the right end of the casing.
The low-pressure steam of the screw steam compressor enters the inner cavity of the shell from a steam inlet formed in one end of the shell, is changed into high-pressure steam under the action of the mutually rotated and meshed spiral rotors, and is discharged from a steam outlet formed in the other end of the shell, so that the low-pressure steam is promoted into the high-pressure steam.
The mechanical sealing devices arranged at the left end and the right end of the driving shaft and the driven shaft of the screw steam compressor are important parts for ensuring that high-pressure and high-temperature steam media in the shell do not axially leak, so the mechanical sealing devices have high requirements and are often double-end-face serial mechanical sealing devices. The high-temperature steam medium in the prior art can directly enter the mechanical sealing cavity, so that the mechanical sealing device works under the working condition of high pressure and high temperature, and the safe and stable operation and the service life of the mechanical sealing device are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at not enough improving to above-mentioned prior art, provide a take water cooling jacket's screw rod vapor compressor to block the high temperature steam medium in the casing and enter into the mechanical seal intracavity, fully reduce the temperature in the mechanical seal intracavity, use mechanical seal device to be in work under the low temperature environment, improve mechanical seal's sealing reliability and life.
The utility model discloses take screw rod vapor compressor of water cooling jacket, which comprises a housing 1, low pressure end seat 2, low pressure end seat end cover 20, high pressure end seat 3, high pressure end seat end cover 30, the driving shaft 4, the driven shaft 5, install the initiative spiral rotor 41 on the driving shaft 4 in casing 1, install the driven spiral rotor 51 on the driven shaft 5 in casing 1, install initiative shaft front end mechanical seal device 42 in low pressure end seat 2, driving shaft front end bearing 43, install the driving gear 40 on the initiative shaft end in low pressure end seat end cover 20, install initiative shaft rear end mechanical seal device 44 in high pressure end seat 3, driving shaft rear end bearing 45, install driven shaft front end mechanical seal device 52 in low pressure end seat 2, driven shaft front end bearing 53, install the driven gear 50 on the driven shaft end in low pressure end seat end cover 20, install driven shaft rear end mechanical seal device 54 in high pressure end seat 3, Driven shaft rear end bearing 55; low pressure end seat 2 and high pressure end seat 3 are butt joint fixed connection about with casing 1 respectively, and the driving gear 40 on the driving shaft meshes the transmission with driven gear 50 on the driven shaft, has seted up steam inlet and steam outlet, characterized by respectively at casing 1 left and right sides both ends:
a water cooling sleeve 6 is respectively arranged in the low-pressure end seat 2 and the high-pressure end seat 3 corresponding to the driving shaft 4 and the driven shaft 5, a spigot end disc 61 is arranged at the right end part of the water cooling sleeve 6, an outer spigot groove 62 for mounting an O-shaped sealing ring 7 is arranged at the left end part of the water cooling sleeve 6, and a spiral groove 63 is arranged on the outer circular surface of the water cooling sleeve 6;
an inner spigot platform 91 is arranged on the shaft hole of the end seat 9 (namely the low-pressure end seat 2 and the high-pressure end seat 3), the water cooling sleeve 6 is matched with the inner spigot platform 91 arranged on the end seat 9, the left end surface of the spigot end disc 61 at the right end part of the water cooling sleeve 6 is matched with the end seat 9, and a clearance adjusting gasket 8 is arranged between the matching surface of the left end surface of the spigot end disc 61 of the water cooling sleeve and the end seat 9 and is fixedly connected with the same through a screw;
a water outlet hole 93 is arranged on the end seat 9 corresponding to the left end of the water cooling sleeve 6, a water inlet hole 92 is arranged on the end seat 9 corresponding to the mechanical sealing cavity 90, and a through-flow slot hole 65 communicated with the spiral groove 63 arranged on the outer circular surface of the water cooling sleeve 6 is arranged on the spigot end disc 61 at the right end part of the water cooling sleeve 6, so that the cooling liquid entering the mechanical sealing cavity 90 flows out through the through-flow slot hole 65, the spiral groove 63 and the water outlet hole 93.
The utility model discloses rational in infrastructure, the cooling water gets into in the end seat mechanical seal chamber 90 by inlet opening 92, cools off mechanical seal, the while cooling water warp through-flow slotted hole 65 enter into and open on the outer disc of water cooling jacket 6 in having helicla flute 63, discharge by apopore 93 on the end seat 9 again, the cooling water makes water cooling jacket 6 keep low temperature to the high heat steam of flowing through water cooling jacket 6 hole and axle (driving shaft 4, driven shaft 5) fit clearance condense into water to avoid high heat steam to get into the mechanical seal terminal surface front chamber, avoid mechanical seal to be in high heat steam operating mode environment work, make mechanical seal be in microthermal water environment work, improve mechanical seal's sealing reliability and life.
Drawings
FIG. 1 is a schematic view of a screw vapor compressor configuration.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a partial enlarged view of fig. 2, showing an assembled structure of the water cooling jacket 6.
Fig. 4 is a schematic structural view of the water cooling jacket 6.
Detailed Description
The utility model discloses take screw rod vapor compressor of water cooling jacket, which comprises a housing 1, low pressure end seat 2, low pressure end seat end cover 20, high pressure end seat 3, high pressure end seat end cover 30, the driving shaft 4, the driven shaft 5, install the initiative spiral rotor 41 on the driving shaft 4 in casing 1, install the driven spiral rotor 51 on the driven shaft 5 in casing 1, install initiative shaft front end mechanical seal device 42 in low pressure end seat 2, driving shaft front end bearing 43, install the driving gear 40 on the initiative shaft end in low pressure end seat end cover 20, install initiative shaft rear end mechanical seal device 44 in high pressure end seat 3, driving shaft rear end bearing 45, install driven shaft front end mechanical seal device 52 in low pressure end seat 2, driven shaft front end bearing 53, install the driven gear 50 on the driven shaft end in low pressure end seat end cover 20, install driven shaft rear end mechanical seal device 54 in high pressure end seat 3, Driven shaft rear end bearing 55; low pressure end seat 2 and high pressure end seat 3 are butt joint fixed connection about with casing 1 respectively, and the driving gear 40 on the driving shaft meshes the transmission with driven gear 50 on the driven shaft, has seted up steam inlet and steam outlet, characterized by respectively at casing 1 left and right sides both ends:
water cooling sleeves 6 are respectively arranged in the low-pressure end seat 2 and the high-pressure end seat 3 corresponding to the driving shaft 4 and the driven shaft 5, as shown in attached figures 3 and 4, a spigot end disc 61 is arranged at the right end part of the water cooling sleeve 6, an outer spigot groove 62 for mounting an O-shaped sealing ring 7 is arranged at the left end part of the water cooling sleeve 6, and a spiral groove 63 is arranged on the outer circular surface of the water cooling sleeve 6;
an inner spigot platform 91 is arranged on the shaft hole of the end seat 9 (namely, on the low-pressure end seat 2 and the high-pressure end seat 3 respectively corresponding to the driving shaft 4 and the driven shaft 5), a water cooling sleeve 6 is matched with the inner spigot platform 91 arranged on the end seat 9, the left side end surface of a spigot end disc 61 at the right end part of the water cooling sleeve 6 is matched with the end seat 9, and a clearance adjusting gasket 8 is arranged between the left side end surface of the water cooling sleeve spigot end disc 61 and the matching surface of the end seat 9 and is fixedly connected with the end seat through a screw;
the end seat 9 (i.e. the low-pressure end seat 2 and the high-pressure end seat 3) is provided with a water outlet 93 corresponding to the left end of the water cooling jacket 6, the end seat 9 is provided with a water inlet 92 corresponding to the mechanical sealing cavity 90, and the spigot end disc 61 at the right end of the water cooling jacket 6 is provided with a through-flow slot hole 65 communicated with the spiral groove 63 formed on the outer circular surface of the water cooling jacket 6, so that the cooling liquid entering the mechanical sealing cavity 90 flows out through the through-flow slot hole 65, the spiral groove 63 and the water outlet 93.
Referring to the embodiment shown in fig. 4, an inner spiral (thread) groove 60 is formed in the shaft hole of the water cooling jacket 6, so that the flow path of the high-temperature steam flowing through the fit clearance between the inner hole of the water cooling jacket 6 and the shaft (i.e., the driving shaft 4 and the driven shaft 5) is prolonged, and the water cooling jacket 6 can condense the high-temperature steam into water more effectively.
This reality has the setting of novel crack adjusting shim 8, and the internal tang platform 91 axial fit dimensional accuracy of seting up on the water cooling jacket 6 of being convenient for adjust and the end seat 9 ensures the compression volume of O shape sealing washer 7, realizes that the water cooling jacket 6 makes in batches, the water cooling jacket 6 assembly of being convenient for.
In the embodiment shown in the drawings, the stationary ring seat of the inner mechanical seal of the tandem type mechanical seal device is fixedly connected with the right end face of the spigot end disc 61 of the water cooling jacket 6 through the matching of the spigot and the auxiliary seal ring by screws.
Claims (2)
1. A screw steam compressor with a water cooling jacket comprises a machine shell (1), a low-pressure end seat (2), a low-pressure end seat end cover (20), a high-pressure end seat (3), a high-pressure end seat end cover (30), a driving shaft (4), a driven shaft (5), a driving spiral rotor (41) arranged on the driving shaft (4) in the machine shell (1), a driven spiral rotor (51) arranged on the driven shaft (5) in the machine shell (1), a driving shaft front end mechanical sealing device (42) and a driving shaft front end bearing (43) arranged in the low-pressure end seat (2), a driving gear (40) arranged on the driving shaft end in the low-pressure end seat end cover (20), a driving shaft rear end mechanical sealing device (44) and a driving shaft rear end bearing (45) arranged in the high-pressure end seat (3), a driven shaft front end mechanical sealing device (52) and a driven shaft front end bearing (53) arranged in the low-pressure end seat (, the driven gear (50) is arranged on the driven shaft end in the low-pressure end seat end cover (20), and the driven shaft rear end mechanical sealing device (54) and the driven shaft rear end bearing (55) are arranged in the high-pressure end seat (3); low pressure end seat (2) and high pressure end seat (3) respectively with casing (1) control butt joint fixed connection, driving gear (40) on the driving shaft and driven gear (50) on the driven shaft meshing transmission, both ends have seted up steam inlet and steam outlet, characterized by respectively about casing (1):
a water cooling sleeve (6) is respectively arranged in the low-pressure end seat (2) and the high-pressure end seat (3) corresponding to the driving shaft (4) and the driven shaft (5), a spigot end disc (61) is arranged at the right end part of the water cooling sleeve (6), an outer spigot groove (62) for installing an O-shaped sealing ring (7) is arranged at the left end part of the water cooling sleeve (6), and a spiral groove (63) is arranged on the outer circular surface of the water cooling sleeve (6);
an inner spigot platform (91) is arranged on an end seat (9), namely shaft holes of a low-pressure end seat (2) and a high-pressure end seat (3), a water cooling sleeve (6) is matched with the inner spigot platform (91) arranged on the end seat (9), the left end surface of a spigot end disc (61) at the right end part of the water cooling sleeve (6) is matched with the end seat (9), and a gap adjusting gasket (8) is arranged between the matching surface of the left end surface of the spigot end disc (61) of the water cooling sleeve and the end seat (9) and fixedly connected with the end seat through a screw;
the left end that corresponds water cooling jacket (6) on end seat (9), low pressure end seat (2) and high-pressure end seat (3) promptly sets up apopore (93), correspond mechanical seal chamber (90) on end seat (9) and seted up inlet opening (92), set up through-flow slotted hole (65) that switch on with the helicla flute (63) of seting up on the disc (61) of the tang end of water cooling jacket (6) right-hand member portion to make the coolant liquid that gets into in mechanical seal chamber (90) flow through-flow slotted hole (65), helicla flute (63), apopore (93).
2. The screw vapor compressor with the water cooling jacket as set forth in claim 1, wherein: an inner spiral groove (60) is arranged on the shaft hole of the water cooling sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422427.9U CN209856026U (en) | 2019-03-31 | 2019-03-31 | Screw steam compressor with water cooling jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422427.9U CN209856026U (en) | 2019-03-31 | 2019-03-31 | Screw steam compressor with water cooling jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856026U true CN209856026U (en) | 2019-12-27 |
Family
ID=68935752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422427.9U Active CN209856026U (en) | 2019-03-31 | 2019-03-31 | Screw steam compressor with water cooling jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915367A (en) * | 2019-03-31 | 2019-06-21 | 丹东隆强科技有限责任公司 | Screw rod vapour compression machine with water(-cooling) jacket |
-
2019
- 2019-03-31 CN CN201920422427.9U patent/CN209856026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915367A (en) * | 2019-03-31 | 2019-06-21 | 丹东隆强科技有限责任公司 | Screw rod vapour compression machine with water(-cooling) jacket |
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