CN102852802A - Horizontal barrel pump - Google Patents
Horizontal barrel pump Download PDFInfo
- Publication number
- CN102852802A CN102852802A CN 201210295926 CN201210295926A CN102852802A CN 102852802 A CN102852802 A CN 102852802A CN 201210295926 CN201210295926 CN 201210295926 CN 201210295926 A CN201210295926 A CN 201210295926A CN 102852802 A CN102852802 A CN 102852802A
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- CN
- China
- Prior art keywords
- middle housing
- impeller
- cylindrical shell
- horizontal barrel
- bearing part
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Abstract
The invention discloses a horizontal barrel pump which comprises a barrel body cover, a barrel body, a pump core, an outlet flange, an inlet flange, a bearing component I, a shaft, a balance tube and a bearing component II, wherein the pump core is sleeved on the shaft, and the barrel body is arranged outside the pump core; one end of the barrel body is provided with the barrel body cover, and the outlet flange and the inlet flange are arranged on the barrel body; one side of the shaft is provided with the bearing component I, while the other side of the shaft is provided with the bearing component II; and one end of the balance tube is connected with the barrel body cover, while the other end of the balance tube is connected with the barrel body. The horizontal barrel pump disclosed by the invention is applicable to a design structure of a high-temperature pump with high rotating speed and high reliability; and each impeller acts on a medium, so that the pressure of the medium rises level by level, and the highest pressure is achieved on the last level, therefore, the reliability and the service life of the shaft are improved and prolonged, most axial force can be balanced out, and the horizontal barrel pump is good in tightness.
Description
Technical field
The present invention relates to high pressure-temperature fluid conveying machine technical field, relate in particular to a kind of horizontal barrel bag pump.
Background technique
Along with the expansion of Petrochemical Projects scale, single-machine capacity is increasing, and process parameter is more and more higher, and the design of pump can not have been satisfied the requirement of existing apparatus in installing in the past.In these crucial pumping units, more and more higher to the requirement of pump design pressure, meet or exceed 45MPa, such as boiler feed pump, reactor feedstocks pump etc.The characteristics of these pumps: the one, flow is large, basically about 500 ~ 1500m3/h; Lift is higher, and lift is generally between 1500 ~ 3600m; Temperature is high, between 260 ℃ ~ 450 ℃.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of horizontal barrel bag pump is provided.
The technological scheme that the present invention adopts for achieving the above object is: a kind of horizontal barrel bag pump, comprise cylinder cover, cylindrical shell, the pump core, outlet(discharge) flange, suction flange, bearing part one, axle, balance tube and bearing part two, described pump core retainer plate is contained on the axle, the outside of described pump core is equipped with cylindrical shell, one end of described cylindrical shell is equipped with cylinder cover, on the described cylindrical shell outlet(discharge) flange is installed, suction flange, one side of described axle is equipped with bearing part one, opposite side is equipped with bearing part two, one end of described balance tube is connected with cylinder cover, and the other end is connected with cylindrical shell.
Described pump core comprises return phase, middle housing one, stator, the inter-stage changeover portion, middle housing two, suction port, first stage impeller and impeller, the both sides of described inter-stage changeover portion all are equipped with middle housing one, stator, impeller, and the middle housing one of both sides, stator, impeller is oppositely placed, one side of described return phase is connected with cylinder cover, opposite side is connected with middle housing one, one side of described middle housing two is connected with suction port, opposite side is connected with middle housing one, described suction port is installed in a side of cylindrical shell, described first stage impeller is connected with impeller, described stator is installed in middle housing one, in the middle housing two, the inside of described inter-stage changeover portion is equipped with nockbush one, the inside of nockbush one is equipped with orifice sleeve one, the inside of described cylinder cover is equipped with nockbush two, and the inside of nockbush two is equipped with orifice sleeve two.
Described return phase is connected by bolt one with middle housing one.
Described middle housing two is connected by bolt two with suction port.
O shape circle one is installed between described inter-stage changeover portion and the cylindrical shell.
O shape circle two is installed between described middle housing two and the cylindrical shell.
Described first stage impeller and impeller are fixed by jump ring.
Mechanical seal all is installed on described cylinder cover, the suction port.
Between described suction port and the bearing part one, between cylinder cover and the bearing part two carriage is installed all.
In the described bearing part two sliding bearing is installed.
The present invention is applicable to the project organization of high rotating speed, high reliability and high temperature pump, and each impeller does work to medium, and the pressure of medium raises step by step, and in the end one-level reaches maximum pressure, improve reliability and the working life of axle, can balance most axial forces, good airproof performance.
Description of drawings
Fig. 1 is structural representation of the present invention.
Wherein: 1, sliding bearing 2, cylinder cover 3, cylindrical shell 4, bolt 1, return phase 6, middle housing 1, stator 8, inter-stage changeover portion 9, O shape encloses 1, outlet(discharge) flange 11, bolt 2 12, middle housing 2 13, suction port 14, suction flange 15, bearing part 1, axle 17, mechanical seal 18, balance tube 19, first stage impeller 20, O shape encloses 2 21, jump ring 22, nockbush 1, orifice sleeve 1, impeller 25, orifice sleeve 2 26, nockbush 2 27, carriage 28, bearing part two.
Embodiment
As shown in Figure 1, a kind of horizontal barrel bag pump, comprise cylinder cover 2, cylindrical shell 3, the pump core, outlet(discharge) flange 10, suction flange 14, bearing part 1, axle 16, balance tube 18 and bearing part 2 28, described pump core retainer plate is contained on the axle 16, the outside of described pump core is equipped with cylindrical shell 3, one end of described cylindrical shell 3 is equipped with cylinder cover 2, be welded with outlet(discharge) flange 10 on the described cylindrical shell 3, suction flange 14, one side of described axle 16 is equipped with bearing part 1, opposite side is equipped with bearing part 2 28, in the described bearing part 2 28 sliding bearing 1 is installed, one end of described balance tube 18 is connected with cylinder cover 2, the other end is connected with cylindrical shell 3, balance tube 18 is so that the pressure medium of outlet end sealed end only is inlet pressure, described pump core comprises return phase 5, middle housing 1, stator 7, inter-stage changeover portion 8, middle housing 2 12, suction port 13, first stage impeller 19 and impeller 24, the both sides of described inter-stage changeover portion 8 all are equipped with middle housing 1, stator 7, impeller 24, and the middle housing 1 of both sides, stator 7, impeller 24 is oppositely placed, impeller 24 back-to-back placements because of both sides, cancel out each other at the axial force opposite direction that impeller 24 is subject to, can balance most axial forces, residual axial force is born by the sliding bearing 1 of pressure lubrication, sliding bearing 1 adopts the tilting pad formula structure of pressure lubrication can bear high thrust load, be applicable to turn round under the high rotating speed, between described inter-stage changeover portion 8 and the cylindrical shell 3 O shape is installed and encloses 1, with two different intervals of pressure of cylindrical shell 3 interior separations, make cylindrical shell 3 that maximum pressure in the interval bearing pump only be arranged, and another interval only needs the interior maximum pressure of bearing pump half, one side of described return phase 5 is connected with cylinder cover 2, opposite side is connected by bolt 1 with middle housing 1, one side of described middle housing 2 12 is connected by bolt 2 11 with suction port 13, opposite side is connected with middle housing 1, described suction port 13 is installed in a side of cylindrical shell 3, between described middle housing 2 12 and the cylindrical shell 3 O shape is installed and encloses 2 20, described first stage impeller 19 is fixing by jump ring 21 with impeller 24, first stage impeller 19 is high cavitation erosion performance design, all the other impellers 24 adopt the high efficiency design, along with first stage impeller 19 and 24 pairs of medium actings of impeller, the pressure of medium raises step by step, and in the end one-level reaches maximum pressure, described stator 7 is installed in middle housing 1, in the middle housing 2 12, the inside of described inter-stage changeover portion 8 is equipped with nockbush 1, the inside of nockbush 1 is equipped with orifice sleeve 1, the inside of described cylinder cover 2 is equipped with nockbush 2 26, the inside of nockbush 2 26 is equipped with orifice sleeve 2 25, control the leakage rate of each gap location, described cylinder cover 2, mechanical seal 17 all is installed on the suction port 13, mechanical seal 17 has been worked higher reliability and working life under low pressure, between described suction port 13 and the bearing part 1, between cylinder cover 2 and the bearing part 2 28 carriage 27 is installed all.
Claims (10)
1. horizontal barrel bag pump, it is characterized in that: comprise cylinder cover (2), cylindrical shell (3), the pump core, outlet(discharge) flange (10), suction flange (14), bearing part one (15), axle (16), balance tube (18) and bearing part two (28), described pump core retainer plate is contained on the axle (16), the outside of described pump core is equipped with cylindrical shell (3), one end of described cylindrical shell (3) is equipped with cylinder cover (2), outlet(discharge) flange (10) is installed on the described cylindrical shell (3), suction flange (14), one side of described axle (16) is equipped with bearing part one (15), opposite side is equipped with bearing part two (28), one end of described balance tube (18) is connected with cylinder cover (2), and the other end is connected with cylindrical shell (3).
2. horizontal barrel bag pump according to claim 1, it is characterized in that: described pump core comprises return phase (5), middle housing one (6), stator (7), inter-stage changeover portion (8), middle housing two (12), suction port (13), first stage impeller (19) and impeller (24), the both sides of described inter-stage changeover portion (8) all are equipped with middle housing one (6), stator (7), impeller (24), and the middle housing one (6) of both sides, stator (7), impeller (24) is oppositely placed, one side of described return phase (5) is connected with cylinder cover (2), opposite side is connected with middle housing one (6), one side of described middle housing two (12) is connected with suction port (13), opposite side is connected with middle housing one (6), described suction port (13) is installed in a side of cylindrical shell (3), described first stage impeller (19) is connected with impeller (24), described stator (7) is installed in middle housing one (6), in the middle housing two (12), the inside of described inter-stage changeover portion (8) is equipped with nockbush one (22), the inside of nockbush one (22) is equipped with orifice sleeve one (23), the inside of described cylinder cover (2) is equipped with nockbush two (26), and the inside of nockbush two (26) is equipped with orifice sleeve two (25).
3. horizontal barrel bag pump according to claim 2, it is characterized in that: described return phase (5) is connected by bolt one (4) with middle housing one (6).
4. horizontal barrel bag pump according to claim 2, it is characterized in that: described middle housing two (12) is connected by bolt two (11) with suction port (13).
5. horizontal barrel bag pump according to claim 2 is characterized in that: O shape circle one (9) is installed between described inter-stage changeover portion (8) and the cylindrical shell (3).
6. horizontal barrel bag pump according to claim 2 is characterized in that: O shape circle two (20) is installed between described middle housing two (12) and the cylindrical shell (3).
7. horizontal barrel bag pump according to claim 2 is characterized in that: described first stage impeller (19) is fixing by jump ring (21) with impeller (24).
8. horizontal barrel bag pump according to claim 2 is characterized in that: on described cylinder cover (2), the suction port (13) mechanical seal (17) is installed all.
9. horizontal barrel bag pump according to claim 2 is characterized in that: between described suction port (13) and the bearing part one (15), between cylinder cover (2) and the bearing part two (28) carriage (27) is installed all.
10. horizontal barrel bag pump according to claim 1 is characterized in that: in the described bearing part two (28) sliding bearing (1) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210295926 CN102852802A (en) | 2012-08-20 | 2012-08-20 | Horizontal barrel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210295926 CN102852802A (en) | 2012-08-20 | 2012-08-20 | Horizontal barrel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102852802A true CN102852802A (en) | 2013-01-02 |
Family
ID=47399681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210295926 Pending CN102852802A (en) | 2012-08-20 | 2012-08-20 | Horizontal barrel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102852802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065284A (en) * | 2015-08-13 | 2015-11-18 | 福斯流体控制（苏州）有限公司 | Efficient and high-pressure multi-stage barrel bag type centrifugal pump |
-
2012
- 2012-08-20 CN CN 201210295926 patent/CN102852802A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065284A (en) * | 2015-08-13 | 2015-11-18 | 福斯流体控制（苏州）有限公司 | Efficient and high-pressure multi-stage barrel bag type centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |