CN209838701U - Circulating pump for rectifying and decoking - Google Patents
Circulating pump for rectifying and decoking Download PDFInfo
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- CN209838701U CN209838701U CN201920022426.5U CN201920022426U CN209838701U CN 209838701 U CN209838701 U CN 209838701U CN 201920022426 U CN201920022426 U CN 201920022426U CN 209838701 U CN209838701 U CN 209838701U
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- mechanical seal
- pump
- impeller
- sealer
- oil reservoir
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Abstract
The embodiment of the utility model discloses rectification decoking circulating pump, include: the suspension type pump comprises a pump body and a suspension body, wherein an impeller is arranged inside the pump body; the suspension body includes sealer and oil reservoir, and the one end of sealer is provided with mechanical seal device, and the other end of sealer is provided with the protecgulum, and the protecgulum is two independent spaces with the inside of sealer and the internal partitioning of oil reservoir, and the inside of suspension body is run through and is provided with the drive shaft, and mechanical seal device includes pump cover and mechanical seal, forms the mechanical seal chamber between pump cover, impeller and the mechanical seal, and the tip in mechanical seal chamber is the circular truncated cone form. The utility model discloses set the tip in mechanical seal chamber to the circular cone frustum form to increase the flow volume and the flow volume of medium in the mechanical seal intracavity, more be favorable to taking away the heat that mechanical seal friction produced, prevent the medium crystallization, avoid the medium coking in the mechanical seal intracavity, prevent the coking to mechanical seal device's damage, improve mechanical seal device's life.
Description
Technical Field
The utility model relates to a circulating pump technical field especially relates to a rectification decoking circulating pump.
Background
The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid. The circulation pump is a pump type device for circulating liquid substances, for example, hot water in a water heating pipeline circulates in the pipeline through the circulation pump. In a chemical substance vacuum distillation production system, a large number of circulating pumps are required to provide power for the circulation of chemical substances. However, when the circulating pump works, some media have high viscosity and are easy to crystallize even at low temperature, so that the machine seal cavity is easy to coke, and the machine seal is damaged finally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rectification decoking circulating pump to solve the circulating pump among the prior art at the during operation, some medium viscosity is big, and even crystallization is just easy when the temperature is lower, just so easily causes the machine to seal the intracavity coking, finally leads to the problem of machine seal damage.
The utility model provides a circulation pump for rectifying and decoking, the circulation pump for rectifying and decoking comprises: the suspension type pump comprises a pump body and a suspension body, wherein a water inlet is formed in one end of the pump body, one end, far away from the water inlet, of the pump body is connected with the suspension body, a water outlet is formed in the top of the pump body, and an impeller is arranged inside the pump body;
the suspension body comprises a sealer and an oil reservoir, a mechanical sealing device is arranged at one end of the sealer, a front cover is arranged at the other end of the sealer, the front cover divides the interior of the sealer and the interior of the oil reservoir into two independent spaces, and a rear cover is arranged at one end, far away from the sealer, of the oil reservoir;
the impeller is arranged at the end part of the driving shaft in a penetrating mode, the central axis of the driving shaft, the central line axis of the mechanical sealing device and the central axis of the impeller are coincident, the mechanical sealing device comprises a pump cover and a mechanical seal, one end of the mechanical seal is in contact with the impeller, the pump cover is connected with the mechanical seal through a static ring gland arranged at the end part of the mechanical seal, a mechanical sealing cavity is formed among the pump cover, the impeller and the mechanical seal, and the end part of the mechanical sealing cavity is in a cone frustum shape.
Preferably, one end of the static ring gland, which is close to the front cover, is provided with an oil seal device, and one side of the oil seal device, which is close to the front cover, is provided with an oil seal baffle.
Preferably, the drive shaft is detachably connected with the impeller through an impeller nut, and an impeller key is arranged between the drive shaft and the impeller.
Preferably, a vent cover is arranged at the top of the oil reservoir, an oil pointer is arranged on the side wall of the oil reservoir, and a pipe plug is arranged at the bottom of the oil reservoir.
Preferably, bearings are arranged at both ends of the oil reservoir, and the central axis of the bearings coincides with the central axis of the drive shaft.
Preferably, the end of the reservoir remote from the seal is provided with a plurality of bearings.
According to the technical scheme provided by the utility model, the utility model provides a circulating pump for rectifying and decoking, include: the suspension type pump comprises a pump body and a suspension body, wherein a water inlet is formed in one end of the pump body, one end, far away from the water inlet, of the pump body is connected with the suspension body, a water outlet is formed in the top of the pump body, and an impeller is arranged inside the pump body; the suspension body comprises a sealer and an oil reservoir, a mechanical sealing device is arranged at one end of the sealer, a front cover is arranged at the other end of the sealer, the front cover divides the interior of the sealer and the interior of the oil reservoir into two independent spaces, and a rear cover is arranged at one end, far away from the sealer, of the oil reservoir; the impeller is arranged at the end part of the driving shaft in a penetrating mode, the central axis of the driving shaft, the central line axis of the mechanical sealing device and the central axis of the impeller are coincident, the mechanical sealing device comprises a pump cover and a mechanical seal, one end of the mechanical seal is in contact with the impeller, the pump cover is connected with the mechanical seal through a static ring gland arranged at the end part of the mechanical seal, a mechanical sealing cavity is formed among the pump cover, the impeller and the mechanical seal, and the end part of the mechanical sealing cavity is in a cone frustum shape. The pump body is used for carrying the liquid of treating the conveying, and the suspension body is used for supporting the pump body and provides power for the impeller in the pump body simultaneously, the utility model discloses a rectification decoking circulating pump sets the tip in mechanical seal chamber to the circular truncated cone form to increase the volume and the flow volume that flow of medium in the mechanical seal intracavity, more be favorable to taking away the heat that mechanical seal friction produced, prevent the medium crystallization, avoid the medium coking in the mechanical seal intracavity, prevent the coking to mechanical seal device's damage, improve mechanical seal device's life.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is the overall schematic diagram of the circulation pump for decoking and rectifying provided by the utility model.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 efforts shall belong to the protection scope of the present invention.
Fig. 1 is an overall schematic diagram of a circulating pump for rectification and decoking according to the present invention. The circulating pump for rectifying and removing coke comprises: the pump comprises a pump body 1 and a suspension body 2, wherein a water inlet 11 is formed in one end of the pump body 1, one end, far away from the water inlet 11, of the pump body 1 is connected with the suspension body 2, a water outlet 12 is formed in the top of the pump body 1, and an impeller 3 is arranged inside the pump body 1. The pump body 1 and the suspension frame body 2 can be connected through modes such as threaded connection, the pump body 1 can be integrated into one piece, the inside of the pump body 1 is provided with a circulation cavity, and is provided with an impeller 3, when the pump body works, the impeller 3 rotates to generate certain pressure to press liquid from a water inlet 11 to a water outlet 12, the impeller 3 rotates continuously, and the liquid presses from the water inlet 11 to the water outlet 12 continuously to realize a circulation process.
The suspension body 2 comprises a sealer 21 and an oil reservoir 22, one end of the sealer 21 is provided with a mechanical sealing device 4, the other end of the sealer 21 is provided with a front cover 221, the front cover 221 divides the inside of the sealer 21 and the inside of the oil reservoir 22 into two independent spaces, and one end of the oil reservoir 22 far away from the sealer 21 is provided with a rear cover 222. The oil reservoir 22 stores lubricating oil, which can further seal and lubricate components to reduce friction between the components.
The inside of suspension body 2 runs through and is provided with drive shaft 5, and impeller 3 sets up in the tip of drive shaft 5, and the central axis of drive shaft 5, the central line axis of mechanical seal device 4 and the central axis coincidence of impeller 3. The drive shaft 5 rotates the impeller 3, and the lubricant in the oil reservoir 22 can be transported from the oil reservoir 22 to the side of the seal 21 while rotating.
The mechanical sealing device 4 comprises a pump cover 41 and a mechanical seal 42, one end of the mechanical seal 42 is in contact with the impeller 3, the pump cover 41 is connected with the mechanical seal 42 through a static ring gland 43 arranged at the end part of the mechanical seal 42, a mechanical sealing cavity 44 is formed among the pump cover 41, the impeller 3 and the mechanical seal 42, and the end part of the mechanical sealing cavity 44 is in a cone frustum shape. The general mechanical seal cavities are cylindrical, the cylindrical mechanical seal cavities are arranged to be conical, the volume of the mechanical seal cavities can be reduced, so that the flowing volume and the flowing quantity of a medium in the mechanical seal cavities are increased, the flowing speed of the medium is improved, heat generated by mechanical seal friction can be taken away, medium crystallization is prevented, the medium is prevented from coking in the mechanical seal cavities, the mechanical seal device is prevented from being damaged by coking, and the service life of the mechanical seal device is prolonged.
According to the technical scheme, the utility model provides a circulating pump for rectifying and decoking, the pump body 1 and the suspension body 2, one end of the pump body 1 is provided with the water inlet 11, one end of the pump body 1 far away from the water inlet 11 is connected with the suspension body 2, the top of the pump body 1 is provided with the water outlet 12, and the inside of the pump body 1 is provided with the impeller 3; the suspension body 2 comprises a sealer 21 and an oil reservoir 22, one end of the sealer 21 is provided with a mechanical sealing device 4, the other end of the sealer 21 is provided with a front cover 221, the front cover 221 divides the inside of the sealer 21 and the inside of the oil reservoir 22 into two independent spaces, and one end of the oil reservoir 22 far away from the sealer 21 is provided with a rear cover 222; the inside of suspension body 2 runs through and is provided with drive shaft 5, impeller 3 sets up in the tip of drive shaft 5, the central axis of drive shaft 5, the central line axis of mechanical seal device 4 and the central axis coincidence of impeller 3, mechanical seal device 4 includes pump cover 41 and mechanical seal 42, the one end of mechanical seal 42 contacts with impeller 3, pump cover 41 is connected with mechanical seal 42 through the stationary ring gland 43 who sets up in the tip of mechanical seal 42, form mechanical seal chamber 44 between pump cover 41, impeller 3 and the mechanical seal 42, the tip of mechanical seal chamber 44 is the circular truncated cone form. The pump body 1 is used for carrying the liquid of treating the conveying, and the suspension body 2 is arranged in supporting the pump body 1 and provides power for the impeller 3 in the pump body 1 simultaneously, the utility model discloses a rectification decoking circulating pump sets the tip in mechanical seal chamber to the circular truncated cone form to increase the volume and the flow volume that flow of medium in the mechanical seal intracavity, more be favorable to taking away the heat that mechanical seal friction produced, prevent the medium crystallization, avoid the medium coking in the mechanical seal intracavity, prevent the coking to mechanical seal device's damage, improve mechanical seal device's life.
As a preferred embodiment of the present invention, one end of the stationary ring gland 43 close to the front cover 221 is provided with an oil seal device 6, and one side of the oil seal device 6 close to the front cover 221 is provided with an oil seal baffle 61. The oil seal device 6 can further improve the sealing performance of the mechanical sealing device 4, and the oil seal baffle 61 is used for sealing the sealed lubricating oil in the sealing cavity of the oil seal device 6.
As a preferred embodiment of the present invention, the driving shaft 5 is detachably connected to the impeller 3 through an impeller nut 51, and an impeller key 52 is provided between the driving shaft 5 and the impeller 3. The drive shaft 5 can be dismantled with impeller 3 through impeller nut 51 and be connected and can make things convenient for the change and the maintenance of drive shaft 5, and impeller key 52 can make the connection of drive shaft 5 and impeller 3 inseparabler, prevents that impeller 3 from taking place to become flexible, influences the circulation effect of circulating pump.
As a preferred embodiment of the present invention, a vent cover 223 is disposed on the top of the oil reservoir 22, an oil pointer 224 is disposed on the sidewall of the oil reservoir 22, and a pipe plug 225 is disposed on the bottom of the oil reservoir 22. The vent cover 223 can ensure the normal use function of the vent on the one hand, and can prevent dust in the air from falling into the oil reservoir 22 on the other hand, so as to prevent impurities from entering the equipment to cause adverse effects on the transmission of the equipment, particularly the driving shaft 5. The oil level indicator 224 can observe the oil content in the oil reservoir 22 and add lubricating oil in time. Can change the lubricating oil in the oil reservoir 22 according to sealing performance's demand, directly open pipe closure 225 during the change, lubricating oil is flowed out by oneself.
As a preferred embodiment of the present invention, bearings 226 are provided at both ends of the oil reservoir 22, and the central axis of the bearings 226 coincides with the central axis of the drive shaft 5. The bearing 226 can ensure relatively smooth rotation of the drive shaft 5.
As a preferred embodiment of the present invention, the end of the oil reservoir 22 remote from the seal 21 is provided with a plurality of bearings 226. Since the end of the oil reservoir 22 remote from the seal 21 is at the fulcrum of the end of the transmission and is subjected to a greater force, the provision of a plurality of bearings 226 at the end of the oil reservoir 22 remote from the seal 21 results in a smoother rotation of the drive shaft 5.
The foregoing is merely a detailed description of the invention that enables those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A circulating pump for coke removal by distillation, comprising: the pump comprises a pump body (1) and a suspension body (2), wherein a water inlet (11) is formed in one end of the pump body (1), one end, far away from the water inlet (11), of the pump body (1) is connected with the suspension body (2), a water outlet (12) is formed in the top of the pump body (1), and an impeller (3) is arranged inside the pump body (1);
the suspension body (2) comprises a sealer (21) and an oil reservoir (22), a mechanical sealing device (4) is arranged at one end of the sealer (21), a front cover (221) is arranged at the other end of the sealer (21), the front cover (221) divides the interior of the sealer (21) and the interior of the oil reservoir (22) into two independent spaces, and a rear cover (222) is arranged at one end, far away from the sealer (21), of the oil reservoir (22);
the improved impeller structure is characterized in that a driving shaft (5) penetrates through the inside of the suspension body (2), the impeller (3) is arranged at the end portion of the driving shaft (5), the central axis of the driving shaft (5), the central line axis of the mechanical sealing device (4) and the central axis of the impeller (3) are coincided, the mechanical sealing device (4) comprises a pump cover (41) and a mechanical seal (42), one end of the mechanical seal (42) is in contact with the impeller (3), the pump cover (41) is connected with the mechanical seal (42) through a static ring gland (43) arranged at the end portion of the mechanical seal (42), a mechanical sealing cavity (44) is formed between the pump cover (41), the impeller (3) and the mechanical seal (42), and the end portion of the mechanical sealing cavity (44) is in a cone frustum shape.
2. The circulating pump for rectifying and decoking as claimed in claim 1, wherein one end of the stationary ring gland (43) close to the front cover (221) is provided with an oil seal device (6), and one side of the oil seal device (6) close to the front cover (221) is provided with an oil seal baffle plate (61).
3. The circulating pump for coke rectification and decoking according to claim 1, characterized in that the drive shaft (5) is detachably connected with the impeller (3) by an impeller nut (51), and an impeller key (52) is arranged between the drive shaft (5) and the impeller (3).
4. The circulating pump for rectifying decoking according to claim 1, characterized in that a gas hole cover (223) is arranged on the top of the oil reservoir (22), a oil pointer (224) is arranged on the side wall of the oil reservoir (22), and a pipe plug (225) is arranged on the bottom of the oil reservoir (22).
5. The circulating pump for coke rectification and decoking according to claim 1, characterized in that bearings (226) are provided at both ends of the oil reservoir (22), the central axis of the bearings (226) coinciding with the central axis of the drive shaft (5).
6. Circulation pump for decoking according to claim 5, characterized in that the end of the oil reservoir (22) remote from the sealer (21) is provided with a plurality of bearings (226).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920022426.5U CN209838701U (en) | 2019-01-07 | 2019-01-07 | Circulating pump for rectifying and decoking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920022426.5U CN209838701U (en) | 2019-01-07 | 2019-01-07 | Circulating pump for rectifying and decoking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838701U true CN209838701U (en) | 2019-12-24 |
Family
ID=68901182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920022426.5U Active CN209838701U (en) | 2019-01-07 | 2019-01-07 | Circulating pump for rectifying and decoking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838701U (en) |
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2019
- 2019-01-07 CN CN201920022426.5U patent/CN209838701U/en active Active
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