CN202946453U - Volute-type high-pressure submerged pump - Google Patents

Volute-type high-pressure submerged pump Download PDF

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Publication number
CN202946453U
CN202946453U CN 201220611515 CN201220611515U CN202946453U CN 202946453 U CN202946453 U CN 202946453U CN 201220611515 CN201220611515 CN 201220611515 CN 201220611515 U CN201220611515 U CN 201220611515U CN 202946453 U CN202946453 U CN 202946453U
Authority
CN
China
Prior art keywords
bearing
axle
shaft sleeve
water pumps
pressure under
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220611515
Other languages
Chinese (zh)
Inventor
李秋菊
许金鹏
孙旻
韩燕云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DANAI PUMPS Co Ltd
Original Assignee
DANAI PUMPS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DANAI PUMPS Co Ltd filed Critical DANAI PUMPS Co Ltd
Priority to CN 201220611515 priority Critical patent/CN202946453U/en
Application granted granted Critical
Publication of CN202946453U publication Critical patent/CN202946453U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a volute-type high-pressure submerged pump which comprises a submerged flow passage component, a sealing component and a bearing component, wherein the submerged flow passage component is connected with the sealing component, and the sealing component is connected with the bearing component. The performance of the volute-type high-pressure submerged pump meets requirements for low-flow and high-lift working conditions, prevents crystallizing from appearing and affecting conveying of media.

Description

Scroll casing type high pressure Under Water Pumps
Technical field
The utility model relates to the fluid conveying machine technical field, relates in particular to a kind of scroll casing type high pressure Under Water Pumps.
Background technique
Often having high temperature, high pressure, the less medium of flow in petrochemical equipment needs to carry; such as medium in caprolactam device, oximate device etc.; the general temperature of these media is higher; between 98 ℃ ~ 130 ℃; saturated vapor pressure is larger; for the conveying of these media just needs medium to have enough pressure to keep the form of liquid, this has just produced a series of requirement to the pump of fed sheet of a media.At present, the Under Water Pumps type bright rare domestic manufacturer that can bear these conditions produces, and the one, the higher and easy crystallization of the temperature of medium needs to design insulating structure and cooling structure simultaneously on pump, and domestic manufacturer is difficult to reach designing requirement; The 2nd, the medium crystallization of very easily vaporizing causes seal failure, the problem of domestic manufacturer can't be perfect solution these aspects.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of scroll casing type high pressure Under Water Pumps is provided.
The technological scheme that the utility model adopts for achieving the above object is: scroll casing type high pressure Under Water Pumps, comprise flow passage components under liquid, sealed member and bearing part, under described liquid, flow passage components are connected with sealed member, and described sealed member is connected with bearing part.
Under described liquid, flow passage components comprise pump cover, the chopped-off head pump housing, the secondary pump housing, axle, lower support pipe, upper support pipe and welding water outlet device, described pump cover is connected with the chopped-off head pump housing, the chopped-off head pump housing is connected with the secondary pump housing, the secondary pump housing is connected with the lower support pipe, described upper support pipe is connected with the welding water outlet device, between upper support pipe and lower support pipe, the body of sliding bearing is installed, first stage impeller, secondary impeller are installed on described axle.
Described first stage impeller is arranged on axle by cap-shaped nut, chuck and Lower shaft sleeve one, on described Lower shaft sleeve one, case bushing is installed.
Described secondary impeller is arranged on axle by Lower shaft sleeve one and Lower shaft sleeve two, on described Lower shaft sleeve two, lower axle bush is installed.
On described first stage impeller and secondary impeller, the body choma is installed all.
Described sealed member comprises bearing bracket stand, packing seal axle sleeve, lining, casing and gland, described bearing bracket stand is connected with the welding water outlet device, described packing seal axle sleeve is arranged on axle, and described lining is arranged on casing, and described casing is connected with gland.
Described casing is provided with cooling chamber one.
Described bearing part comprises Upper shaft sleeve, outside framework oil seal, bearing, bearing housing and bearing gland, described bearing housing is connected with bearing bracket stand, described Upper shaft sleeve is arranged on axle, and outside framework oil seal, bearing are installed in described bearing housing, and described bearing housing is connected with bearing gland.
Described bearing housing is provided with cooling chamber two.
The utility model performance has satisfied small flow, high-lift working condition requirement, prevents crystallization and affects the conveying of medium.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model partial enlarged view one;
Fig. 3 is the utility model partial enlarged view two.
wherein: 1, pump cover 2, cap-shaped nut 3, chuck 4, first stage impeller 5, body choma 6, case bushing 7, Lower shaft sleeve 1, the chopped-off head pump housing 9, secondary impeller 10, Lower shaft sleeve 2 11, lower axle bush 12, the secondary pump housing 13, axle 14, lower support pipe 15, bearing housing 16, bearing gland 17, the body of sliding bearing 18, upper support pipe 19, welding water outlet device 20, bearing bracket stand 21, packing seal axle sleeve 22, lining 23, casing 24, gland 25, Upper shaft sleeve 26, outside framework oil seal 27, bearing.
Embodiment
as shown in Figure 1-Figure 3, scroll casing type high pressure Under Water Pumps, comprise flow passage components under liquid, sealed member and bearing part, under described liquid, flow passage components are connected with sealed member, described sealed member is connected with bearing part, under described liquid, flow passage components comprise pump cover 1, the chopped-off head pump housing 8, the secondary pump housing 12, axle 13, lower support pipe 14, upper support pipe 18 and welding water outlet device 19, described pump cover 1 is connected with the chopped-off head pump housing 8, adopt the PTFE gasket seal, the chopped-off head pump housing 8 is connected with the secondary pump housing 12, the secondary pump housing 12 is connected with lower support pipe 14, described upper support pipe 18 is connected with welding water outlet device 19, between upper support pipe 18 and lower support pipe 14, the body of sliding bearing 17 is installed, on described axle 13, first stage impeller 4 is installed, secondary impeller 9, described first stage impeller 4 is by cap-shaped nut 2, chuck 3 and Lower shaft sleeve 1 are arranged on axle 13, chuck 3 plays the effect that prevents that cap-shaped nut 2 from getting loose, assurance first stage impeller 4 location are more reliable, on described Lower shaft sleeve 1, case bushing 6 is installed, described secondary impeller 9 is arranged on axle 13 by Lower shaft sleeve 1 and Lower shaft sleeve 2 10, lower axle bush 11 is installed on described Lower shaft sleeve 2 10, on described first stage impeller 4 and secondary impeller 9, body choma 5 is installed all, but balancing axial thrust when protecting zone easy to wear, fed sheet of a media enters the chopped-off head pump housing 8 and carries out transformation of energy after the interior pressurization of first stage impeller 4, pressure medium enters the further energy that obtains of secondary impeller 9 and enters lower support pipe 14 by the secondary pump housing 12, the body of sliding bearing 17, upper support pipe 18, the rear discharge of welding water outlet device 19, medium is through first stage impeller 4, after secondary impeller 9 pressurizations, performance has satisfied small flow, high-lift working condition requirement, welding water outlet device 19 can pass into high-temperature steam with insulation jacket, the medium of carrying is incubated, prevent crystallization and affect the conveying of medium, described sealed member comprises bearing bracket stand 20, packing seal axle sleeve 21, lining 22, casing 23 and gland 24, described bearing bracket stand 20 is connected with welding water outlet device 19, described packing seal axle sleeve 21 is arranged on axle 13, described lining 22 is arranged on casing 23, described casing 23 is connected with gland 24, described casing 23 is provided with cooling chamber one, when the fed sheet of a media temperature is higher, can pass into cooling water carries out cooling, lining 22 forms the gap with packing seal axle sleeve 21, lining 22 use glands 24 compress, it is the medium of easily vaporizing because of conveying, having passed at lining 22 and 21, packing seal axle sleeve presses nitrogen to prevent the dielectric gas flow condensation that makes progress along the gap, described bearing part comprises Upper shaft sleeve 25, outside framework oil seal 26, bearing 27, bearing housing 15 and bearing gland 16, described bearing housing 15 is connected with bearing bracket stand 20, described Upper shaft sleeve 25 is arranged on axle 13, in described bearing housing 15, outside framework oil seal 26 is installed, bearing 27, described bearing housing 15 is connected with bearing gland 16, bearing gland 16 rigid bearing 27 outer rings, inner ring is locked by round nut, 25 pairs of bearings of Upper shaft sleeve, 27 bottom surface inner rings play the positioning supports effect, the position welding cooling chamber two of bearing 27 is installed on bearing housing 15, when the higher medium of delivery temperature, can pass into cooling water in cavity, reduce the temperature of bearing 27, improve the working life of bearing 27.

Claims (9)

1. scroll casing type high pressure Under Water Pumps, it is characterized in that: comprise flow passage components under liquid, sealed member and bearing part, under described liquid, flow passage components are connected with sealed member, and described sealed member is connected with bearing part.
2. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: under described liquid, flow passage components comprise pump cover (1), the chopped-off head pump housing (8), the secondary pump housing (12), axle (13), lower support pipe (14), upper support pipe (18) and welding water outlet device (19), described pump cover (1) is connected with the chopped-off head pump housing (8), the chopped-off head pump housing (8) is connected with the secondary pump housing (12), the secondary pump housing (12) is connected with lower support pipe (14), described upper support pipe (18) is connected with welding water outlet device (19), between upper support pipe (18) and lower support pipe (14), the body of sliding bearing (17) is installed, first stage impeller (4) is installed on described axle (13), secondary impeller (9).
3. scroll casing type high pressure Under Water Pumps according to claim 2, it is characterized in that: described first stage impeller (4) is arranged on axle (13) by cap-shaped nut (2), chuck (3) and Lower shaft sleeve one (7), on described Lower shaft sleeve one (7), case bushing (6) is installed.
4. scroll casing type high pressure Under Water Pumps according to claim 2, it is characterized in that: described secondary impeller (9) is arranged on axle (13) by Lower shaft sleeve one (7) and Lower shaft sleeve two (10), on described Lower shaft sleeve two (10), lower axle bush (11) is installed.
5. scroll casing type high pressure Under Water Pumps according to claim 2, is characterized in that: on described first stage impeller (4) and secondary impeller (9), body choma (5) is installed all.
6. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: described sealed member comprises bearing bracket stand (20), packing seal axle sleeve (21), lining (22), casing (23) and gland (24), described bearing bracket stand (20) is connected with welding water outlet device (19), described packing seal axle sleeve (21) is arranged on axle (13), described lining (22) is arranged on casing (23), and described casing (23) is connected with gland (24).
7. scroll casing type high pressure Under Water Pumps according to claim 6, it is characterized in that: described casing (23) is provided with cooling chamber one.
8. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: described bearing part comprises Upper shaft sleeve (25), outside framework oil seal (26), bearing (27), bearing housing (15) and bearing gland (16), described bearing housing (15) is connected with bearing bracket stand (20), described Upper shaft sleeve (25) is arranged on axle (13), outside framework oil seal (26), bearing (27) are installed in described bearing housing (15), and described bearing housing (15) is connected with bearing gland (16).
9. scroll casing type high pressure Under Water Pumps according to claim 8, it is characterized in that: described bearing housing (15) is provided with cooling chamber two.
CN 201220611515 2012-11-19 2012-11-19 Volute-type high-pressure submerged pump Expired - Fee Related CN202946453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220611515 CN202946453U (en) 2012-11-19 2012-11-19 Volute-type high-pressure submerged pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220611515 CN202946453U (en) 2012-11-19 2012-11-19 Volute-type high-pressure submerged pump

Publications (1)

Publication Number Publication Date
CN202946453U true CN202946453U (en) 2013-05-22

Family

ID=48422159

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220611515 Expired - Fee Related CN202946453U (en) 2012-11-19 2012-11-19 Volute-type high-pressure submerged pump

Country Status (1)

Country Link
CN (1) CN202946453U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943777A (en) * 2012-11-19 2013-02-27 大耐泵业有限公司 Volute-type high-pressure submerged pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943777A (en) * 2012-11-19 2013-02-27 大耐泵业有限公司 Volute-type high-pressure submerged pump

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130522

Termination date: 20141119

EXPY Termination of patent right or utility model