CN211692858U - High-temperature petrochemical sulfuric acid pump - Google Patents
High-temperature petrochemical sulfuric acid pump Download PDFInfo
- Publication number
- CN211692858U CN211692858U CN201921902013.2U CN201921902013U CN211692858U CN 211692858 U CN211692858 U CN 211692858U CN 201921902013 U CN201921902013 U CN 201921902013U CN 211692858 U CN211692858 U CN 211692858U
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- China
- Prior art keywords
- transmission shaft
- support sleeve
- sulfuric acid
- pump
- pump body
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- 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
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Abstract
The utility model relates to the technical field of sulfuric acid pump equipment, in particular to a high-temperature petrochemical sulfuric acid pump, which comprises an installation platform, a driving device arranged on the installation platform through a bracket, a first transmission shaft, a second transmission shaft, a support sleeve and a pump body which are connected with the driving device by utilizing a shaft coupling, wherein the pump body is provided with a liquid outlet pipe, a heat insulation layer is arranged between the support sleeve and the contact surface of the installation platform, a heat insulation layer is arranged between the first transmission shaft and the second transmission shaft, the support sleeve and the liquid outlet pipe are both provided with telescopic devices, the heat transmitted to the driving device, a packing box and a rolling bearing is reduced through the heat insulation layer arranged between the support sleeve and the installation platform and the heat insulation layer between the first transmission shaft and the second transmission shaft, the mechanical service life of the pump is effectively prolonged, the telescopic devices arranged on the support sleeve and the liquid outlet pipe reduce the influence, the phenomena of accelerated wear of the pump body and seizure of the pump shaft are avoided.
Description
Technical Field
The utility model relates to a sulphuric acid pump equipment technical field, concretely relates to high temperature petrochemical sulfuric acid pump.
Background
Most of the existing sulfuric acid pump structures are submerged pump structures, a pump body, a supporting sleeve and a transmission shaft are partially in high-temperature sulfuric acid for a long time, bearings and fillers are easily damaged in long-term high-temperature operation, leakage is easily caused, the environment is polluted, economic loss is easily caused, meanwhile, heat is transferred to a driving mechanism positioned at the upper part from metal parts such as the supporting sleeve, the driving mechanism is difficult to dissipate heat, heat dissipation equipment needs to be additionally arranged, and the production cost is directly increased; on the other hand, the support sleeve, the transmission shaft and the liquid outlet pipe are in a high-temperature state for a long time, and the thermal expansion and extension of the support sleeve, the transmission shaft and the liquid outlet pipe are inconsistent, so that the pump shaft of the sulfuric acid pump is distorted, the operation of the sulfuric acid pump is influenced, and the sulfuric acid pump is frequently maintained and has a shortened service life.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a high temperature petrochemical industry sulfuric acid pump, through setting up the insulating layer between support sleeve and mounting platform, first transmission shaft and secondary drive axle, reduce the heat that drive arrangement, stuffing box and rolling bearing received, increase its life-span.
Based on the above purpose, the utility model provides the following technical scheme
The utility model provides a high temperature petrochemical sulfuric acid pump, includes mounting platform, through the drive arrangement of support mounting on mounting platform, utilize the shaft coupling to be connected with drive arrangement's first transmission shaft, be fixed in antifriction bearing, second transmission shaft, support sleeve and the pump body that are used for supporting first transmission shaft on the mounting platform, support sleeve utilizes the fastener to be fixed in mounting platform, support sleeve with be equipped with the insulating layer between the mounting platform contact surface, the inside stuffing box that is equipped with in support sleeve upper end, the pump body is connected to the other end, second transmission shaft one end is connected impeller in the pump body, the other end utilizes the fastener to connect first transmission shaft, first transmission shaft with second transmission shaft junction is equipped with the insulating layer, first transmission shaft stretches into support sleeve, the second transmission shaft stretches out support sleeve.
Furthermore, the support sleeve is provided with a first telescopic device, the first telescopic device is of a corrugated pipe structure, and the first telescopic device is fixedly arranged on the upper portion of the support sleeve.
Further, a liquid outlet pipe is arranged at the liquid outlet of the pump body, a second telescopic device is arranged on the liquid outlet pipe, the second telescopic device is of a corrugated pipe structure, and the second telescopic device is fixedly arranged on the upper portion of the liquid outlet pipe.
Further, the first and second telescoping devices comprise bellows joints.
Furthermore, the support sleeve is provided with a first sliding bearing and a second sliding bearing, and the first sliding bearing and the second sliding bearing are respectively arranged at two ends of the second transmission shaft.
The utility model has the advantages that: the utility model discloses a high temperature petrochemical sulfuric acid pump through the insulating layer that sets up between the insulating layer and first transmission shaft and the secondary drive axle between support sleeve and mounting platform, reduces the heat that transmits drive arrangement, stuffing box and antifriction bearing, effectively prolongs its mechanical life.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the high-temperature petrochemical sulfuric acid pump in this embodiment includes an installation platform 1, a driving device 2 installed on the installation platform 1 through a bracket, a first transmission shaft 31 connected to the driving device 2 through a coupler, a rolling bearing 4 fixed on the installation platform 1 and used for supporting the first transmission shaft 31, a second transmission shaft 32, a support sleeve 6 and a pump body 7, wherein the support sleeve 6 is fixed on the installation platform 1 through a fastener, a thermal insulation layer is arranged between the support sleeve 6 and a contact surface of the installation platform 1 to reduce heat transfer from the support sleeve 6 to the installation platform 1 at the upper portion and further reduce heat transfer to the driving device 2 and the rolling bearing 4, a stuffing box 5 is arranged inside the upper end of the support sleeve 6, the other end of the support sleeve 6 is connected to the pump body 7, and one end of the second transmission shaft 32 is connected to an impeller in the pump body 7, the other end of second transmission shaft 32 utilizes the fastener to connect first transmission shaft 31, and first transmission shaft 31 and second transmission shaft 32 junction are equipped with the insulating layer, first transmission shaft 31 stretches into support sleeve 6, second transmission shaft 32 stretches out support sleeve 6, support sleeve 6 and the second transmission shaft 32 of telling are in the middle of the high temperature sulphuric acid for a long time, and the heat upwards transmits through it, the insulating layer can reduce the heat that transmits drive arrangement 2, stuffing box 5 and antifriction bearing 4, effectively prolongs its mechanical life.
In this embodiment, the support sleeve 6 is provided with a first expansion device 81, the first expansion device 81 is of a bellows structure, the first expansion device 81 is fixedly arranged on the upper portion of the support sleeve, the support sleeve 6 is located in high-temperature sulfuric acid for a long time, and temperature changes exist along with changes of a sulfuric acid liquid level, so that the extension length of the support sleeve is inconsistent with that of an internal transmission shaft, and the first expansion device 81 is arranged to reduce influences caused by thermal expansion extension.
In this embodiment, the liquid outlet of the pump body 7 is provided with a liquid outlet pipe 9, the liquid outlet pipe 9 is provided with a second telescopic device 82, the second telescopic device 82 is of a bellows structure, and the second telescopic device 82 is fixedly arranged on the upper portion of the liquid outlet pipe to prevent each part of the sulfuric acid pump from being seized due to thermal expansion and extension of the liquid outlet pipe 9.
In this embodiment, the first expansion device 81 and the second expansion device 82 include bellows expansion joints.
In this embodiment, the support sleeve 6 is provided with a first sliding bearing 61 and a second sliding bearing 62, and the first sliding bearing 61 and the second sliding bearing 62 are respectively arranged at two ends of the second transmission shaft 32, so as to reduce the swing of the second transmission shaft 32, and make the operation of the pump more stable and reliable.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. A high temperature petrochemical industry sulfuric acid pump which characterized in that: including mounting platform, through the drive arrangement of support mounting on mounting platform, utilize the shaft coupling to be connected with drive arrangement's first transmission shaft, be fixed in the antifriction bearing, second transmission shaft, support sleeve and the pump body that are used for supporting first transmission shaft on the mounting platform, support sleeve utilizes the fastener to be fixed in mounting platform, support sleeve with be equipped with the insulating layer between the mounting platform contact surface, the inside stuffing box that is equipped with in support sleeve upper end, the pump body is connected to the other end, second transmission shaft one end is connected impeller in the pump body, the other end utilizes the fastener to connect first transmission shaft, first transmission shaft with second transmission shaft junction is equipped with the insulating layer, first transmission shaft stretches into support sleeve, the second transmission shaft stretches out support sleeve.
2. A high temperature petrochemical sulfuric acid pump according to claim 1, wherein: the support sleeve is provided with a first telescopic device, the first telescopic device is of a corrugated pipe structure, and the first telescopic device is fixedly arranged on the upper portion of the support sleeve.
3. A high temperature petrochemical sulfuric acid pump according to claim 2, wherein: the pump body goes out the liquid department and is equipped with the drain pipe, be equipped with the second telescoping device on the drain pipe, the second telescoping device is bellows structure, the second telescoping device is fixed and is located drain pipe upper portion.
4. A high temperature petrochemical sulfuric acid pump according to claim 3, wherein: the first and second telescoping devices comprise bellows telescoping sections.
5. A high temperature petrochemical sulfuric acid pump according to claim 1, wherein: the support sleeve is provided with a first sliding bearing and a second sliding bearing, and the first sliding bearing and the second sliding bearing are respectively arranged at two ends of the second transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902013.2U CN211692858U (en) | 2019-11-06 | 2019-11-06 | High-temperature petrochemical sulfuric acid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902013.2U CN211692858U (en) | 2019-11-06 | 2019-11-06 | High-temperature petrochemical sulfuric acid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692858U true CN211692858U (en) | 2020-10-16 |
Family
ID=72786349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921902013.2U Expired - Fee Related CN211692858U (en) | 2019-11-06 | 2019-11-06 | High-temperature petrochemical sulfuric acid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211692858U (en) |
-
2019
- 2019-11-06 CN CN201921902013.2U patent/CN211692858U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20211106 |