CN210343710U - Horizontal single-stage single-suction desulphurization pump - Google Patents
Horizontal single-stage single-suction desulphurization pump Download PDFInfo
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- CN210343710U CN210343710U CN201920217195.3U CN201920217195U CN210343710U CN 210343710 U CN210343710 U CN 210343710U CN 201920217195 U CN201920217195 U CN 201920217195U CN 210343710 U CN210343710 U CN 210343710U
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Abstract
The utility model discloses a horizontal single-stage list suction desulfurization pump, including the pump body, preceding pump cover, bracket, back pump cover, the bracket passes through bearing assembly and connects the main shaft, bearing assembly includes single-row cylindrical roller bearing and biserial angular contact ball axle, single-row cylindrical roller bearing set up in the cavity that bracket and front bearing gland constitute, biserial angular contact ball axle set up in the cavity that bearing box and back bearing gland constitute, preceding pump cover is provided with mechanical seal assembly with the main shaft junction, mechanical seal assembly pass through bolt assembly with preceding pump cover is connected. The utility model discloses the bearing selects for use single-row tapered roller bearing and angular contact ball bearing combination to use, can bear the biggest axial and the radial load of pump, has played good guard action to the pump body and pump cover through setting up the backplate, has reduced the wearing and tearing of thick liquid to the pump cover, has guaranteed simultaneously that the impeller can have higher efficiency to improve the life of desulfurization pump.
Description
Technical Field
The utility model relates to a fluid medium conveying equipment technical field, concretely relates to horizontal single-stage single suction desulfurization pump.
Background
In the industrial production process, a large amount of sulfur-containing waste gas liquid is generated, once the sulfur-containing waste gas liquid is discharged into the environment, the environment is seriously polluted, and a desulfurization pump is usually arranged on a desulfurization tower in a matching way. The desulfurization pump can be used for limestone slurry conveying, gypsum liquid discharging, filter feeding, absorption tower circulation, industrial liquid medium recycling and the like. The existing desulphurization pump has the disadvantages of complex structure, inconvenient installation, poor wear resistance, low corrosion resistance, short service life and large workload of maintenance and overhaul.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a horizontal single-stage single-suction desulphurization pump.
In order to realize the technical purpose, the utility model discloses a scheme is: the utility model provides a horizontal single-stage list suction desulfurization pump, includes the pump body, preceding pump cover, bracket, the back pump cover that connect gradually around through the bolt, be provided with the bearing box between back pump cover and the bracket tang, the bracket passes through bearing assembly and connects the main shaft, bearing assembly includes single-row cylindrical roller bearing and double-row angular contact ball axle, single-row cylindrical roller bearing set up in the cavity that bracket and preceding bearing gland constitute, double-row angular contact ball axle set up in the cavity that bearing box and back bearing gland constitute, preceding pump cover is provided with mechanical seal assembly with the main shaft junction, mechanical seal assembly pass through bolt assembly with preceding pump cover is connected.
Preferably, the front pump cover is axially connected with a guard plate, the guard plate is radially connected and fixed with the pump body, and the guard plate is provided with a matching section matched with the end part of the impeller and a transition section arranged in a slope.
Preferably, oil-resistant rubber rings are respectively arranged between the mechanical seal assembly and the main shaft and between the mechanical seal assembly and the front pump cover.
Preferably, a liquid inlet is formed in the axial end face of the pump body, a liquid outlet is formed in the top of the pump body, an impeller is arranged in the pump body, and the impeller comprises a front blade and a plurality of back blades.
The utility model discloses following beneficial effect has:
1) the bearing is combined by a single-row tapered roller bearing and an angular contact ball bearing, and can bear the maximum axial and radial loads of the pump.
2) The pump body and the pump cover are well protected by the guard plate, abrasion of slurry to the pump cover is reduced, and the impeller is guaranteed to have higher efficiency, so that the service life of the desulfurization pump is prolonged.
3) The back blade rotates along with the front blade to generate counter pressure, so that the aim of balancing the impeller is fulfilled, the pressure of the impeller is effectively relieved, and the effect of auxiliary sealing is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the embodiment of the present invention is
The utility model provides a horizontal single-stage list suction desulfurization pump, includes pump body 1, preceding pump cover 2, bracket 3, the back pump cover 4 that connects gradually around through the bolt, be provided with bearing box 5 between back pump cover 4 and the 3 tang of bracket, main shaft 6 is connected through bearing assembly to bracket 3, bearing assembly includes single-row cylindrical roller bearing 7 and double-row angular contact ball axle 8, single-row cylindrical roller bearing 7 set up in the cavity that bracket 3 and preceding bearing gland 9 constitute, double-row angular contact ball axle 8 set up in the cavity that bearing box and back bearing gland 10 constitute, adopt cylindrical roller bearing 7 and double-row angular contact ball axle 8 to use in combination, can bear the biggest axial and the radial load of pump.
Preceding pump cover 2 is provided with mechanical seal subassembly 11 with 6 junctions of main shaft, mechanical seal subassembly 11 pass through bolt assembly with preceding pump cover 2 is connected, mechanical seal subassembly 11 with be provided with resistant oil rubber circle 14 between main shaft 6, the preceding pump cover 2 respectively, the utility model discloses a mechanical seal reduces the maintenance number of times of bearing seal part.
Preceding pump cover 2 axial be connected with backplate 12, backplate 12 is radially connected fixedly with pump body 1, backplate 12 have with 13 tip matching section of impeller and the changeover portion that the slope set up, played good guard action to pump body 1 and preceding pump cover 2 through setting up backplate 12, reduced the wearing and tearing of thick liquid to the pump cover, guaranteed simultaneously that the impeller can have higher efficiency to improve the life of desulfurization pump
Preferably, be provided with inlet 15 on the pump body 1 axial terminal surface, 1 top of the pump body is provided with liquid outlet 16, 1 inside impeller 13 that is provided with of the pump body, impeller 13 including preceding blade 17 and a plurality of back of the body blade 18, back of the body blade 18 rotates along with preceding blade 17, produces the backpressure to reach the purpose that makes the impeller balanced, effectively alleviate impeller pressure simultaneously, play supplementary sealed effect.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (1)
1. The utility model provides a horizontal single-stage single-suction desulfurization pump, includes the pump body, preceding pump cover, bracket, the back pump cover that connect gradually around through the bolt, be provided with bearing box, its characterized in that between back pump cover and the bracket tang: the bracket is connected with the main shaft through a bearing assembly, the bearing assembly comprises a single-row cylindrical roller bearing and a double-row angular contact ball shaft, the single-row cylindrical roller bearing is arranged in a cavity formed by the bracket and a front bearing gland, the double-row angular contact ball shaft is arranged in a cavity formed by a bearing box and a rear bearing gland, a mechanical sealing assembly is arranged at the joint of the front pump cover and the main shaft, and the mechanical sealing assembly is connected with the front pump cover through a bolt assembly; the front pump cover is axially connected with a guard plate, the guard plate is radially connected and fixed with the pump body, and the guard plate is provided with a matching section matched with the end part of the impeller and a transition section arranged in a slope; oil-resistant rubber rings are respectively arranged between the mechanical seal assembly and the main shaft as well as between the mechanical seal assembly and the front pump cover; the pump body is characterized in that a liquid inlet is formed in the axial end face of the pump body, a liquid outlet is formed in the top of the pump body, an impeller is arranged in the pump body, and the impeller comprises a front blade and a plurality of back blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920217195.3U CN210343710U (en) | 2019-02-20 | 2019-02-20 | Horizontal single-stage single-suction desulphurization pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920217195.3U CN210343710U (en) | 2019-02-20 | 2019-02-20 | Horizontal single-stage single-suction desulphurization pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343710U true CN210343710U (en) | 2020-04-17 |
Family
ID=70173428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920217195.3U Active CN210343710U (en) | 2019-02-20 | 2019-02-20 | Horizontal single-stage single-suction desulphurization pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343710U (en) |
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2019
- 2019-02-20 CN CN201920217195.3U patent/CN210343710U/en active Active
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