CN210919554U - Desulfurization, denitration circulating pump mechanical seal structure - Google Patents
Desulfurization, denitration circulating pump mechanical seal structure Download PDFInfo
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- CN210919554U CN210919554U CN201921982792.1U CN201921982792U CN210919554U CN 210919554 U CN210919554 U CN 210919554U CN 201921982792 U CN201921982792 U CN 201921982792U CN 210919554 U CN210919554 U CN 210919554U
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Abstract
The utility model relates to a mechanical sealing structure of a desulfurization and denitrification circulating pump, which comprises a pump shaft, wherein an inner shaft sleeve is arranged outside the pump shaft, the outer side of the inner shaft sleeve is provided with a machine seal shaft sleeve, the outer side of the machine seal shaft sleeve is provided with a machine base, a first groove is formed in the machine seal shaft sleeve, a main seal is arranged in the first groove, a second groove is formed in the machine base, the second groove is communicated with the first groove, a spring is arranged in the second groove, a liquid inlet is arranged at the top of the machine base, the bottom of the machine seat is provided with the liquid outlet, the utility model has simple structure and reasonable design, and the spring can not directly contact with the medium through the main seal and the auxiliary seal, thereby make the difficult emergence of spring block up and corrode to through inlet and liquid outlet, can wash the recovery to the liquid of a small amount of leakages, prevent to cause the pollution to the environment.
Description
Technical Field
The utility model relates to a desulfurization, denitration circulating pump mechanical seal structure belongs to the environmental protection technology field.
Background
Ammonia process desulfurization, denitration corrosivity are strong requires than higher to the performance circulating pump, and mechanical seal is the heart of pump, needs can strengthen the sealed effect of circulating pump self to improve the leakproofness of circulating pump, make the spring not directly contact with the medium, thereby make the difficult emergence of spring block up and corrode, to the liquid of a small amount of leakages, will wash the recovery, prevent to cause the pollution to the environment, consequently, need further improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a desulfurization, denitration circulating pump mechanical seal structure, through main seal and vice sealed, strengthen the sealed effect of circulating pump self, thereby improve the leakproofness of circulating pump, can make the spring directly not contact with the medium, thereby make the difficult emergence of spring block up and corrode, and through inlet and liquid outlet, can wash the recovery to the liquid of a small amount of leakages, prevent to cause the pollution to the environment, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a desulfurization, denitration circulating pump mechanical seal structure, includes the pump shaft, the pump shaft outside is provided with the inner shaft cover, the inner shaft cover outside is provided with the mechanical seal axle sleeve, the mechanical seal axle sleeve outside is provided with the frame, first recess has been seted up in the mechanical seal axle sleeve, be provided with the main seal in the first recess, the second recess has been seted up in the frame, just the second recess is linked together with first recess, be provided with the spring in the second recess, the frame top is provided with the inlet, the frame bottom is provided with the liquid outlet.
Furthermore, a first connecting channel is formed in the top of the machine base and is respectively communicated with the liquid inlet, the first groove and the second groove.
Furthermore, a second connecting channel is formed in the bottom of the machine base and is communicated with the liquid outlet, the first groove and the second groove respectively.
Furthermore, two ends of the spring are respectively fixedly connected with the main seal and the machine base.
Furthermore, the right side of the engine base is provided with an auxiliary seal.
Furthermore, the outer side of the machine base is provided with a screw hole.
The utility model has the advantages that:
1. through main seal and vice sealed, strengthen the sealed effect of circulating pump self to improve the leakproofness of circulating pump, can make the spring not directly contact with the medium, thereby make the difficult emergence of spring block up and corrode.
2. To the liquid of a small amount of leakages, through inlet and liquid outlet, can use the flush fluid to wash the recovery, prevent to cause the pollution to the environment, the practicality is strong, suitable extensive implementation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of the internal structure of a mechanical sealing structure of a desulfurization and denitrification circulating pump of the present invention;
FIG. 2 is a front view of a mechanical sealing structure of a desulfurization and denitrification circulating pump of the present invention;
FIG. 3 is an enlarged schematic view of part A of the mechanical sealing structure of the desulfurization and denitrification circulating pump of the present invention;
reference numbers in the figures: 1. a pump shaft; 2. an inner sleeve; 3. a mechanical seal shaft sleeve; 4. a machine base; 5. a first groove; 6. primary sealing; 7. a second groove; 8. a spring; 9. secondary sealing; 10. a liquid inlet; 11. a screw hole; 12. a liquid outlet; 13. a first connecting channel; 14. a second connecting channel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1-3, a mechanical sealing structure of a desulfurization and denitrification circulating pump comprises a pump shaft 1, an inner shaft sleeve 2 is arranged on the outer side of the pump shaft 1, a mechanical seal shaft sleeve 3 is arranged on the outer side of the inner shaft sleeve 2, a machine base 4 is arranged on the outer side of the machine seal shaft sleeve 3, a first groove 5 is arranged in the machine seal shaft sleeve 3, a main seal 6 is arranged in the first groove 5, so that the spring 8 is not directly contacted with a medium, so that the spring 8 is not easy to block and corrode, the second groove 7 is arranged in the machine seat 4, the second groove 7 is communicated with the first groove 5, a spring 8 is arranged in the second groove 7, the top of the machine base 4 is provided with a liquid inlet 10, the bottom of the machine base 4 is provided with a liquid outlet 12, so that flushing liquid can be conveniently flushed, the flushing liquid can be flushed and recovered, and the environment can be prevented from being polluted.
In this embodiment, the top of the base 4 is provided with a first connecting channel 13, and the first connecting channel 13 is respectively communicated with the liquid inlet 10, the first groove 5 and the second groove 7, so as to introduce the flushing liquid through the liquid inlet 10.
In this embodiment, second connecting channel 14 has been seted up to frame 4 bottom, just second connecting channel 14 is linked together with liquid outlet 12, first recess 5 and second recess 7 respectively, makes the flush fluid pass through first connecting channel 13, second recess 7, first recess 5 and second connecting channel 14 in proper order to discharge by liquid outlet 12, thereby wash the recovery to liquid, prevent to cause the pollution to the environment, 8 both ends of spring respectively with main seal 6 and frame 4 fixed connection.
Example two:
as shown in fig. 1, the right side of the base 4 is provided with an auxiliary seal 9 to enhance the sealing effect of the circulating pump, so as to improve the sealing performance of the circulating pump, prevent the spring 8 from directly contacting with a medium, prevent the spring 8 from being blocked and corroded, and provide a screw hole 11 on the outer side of the base 4.
The utility model discloses the theory of operation: when taking place a small amount of liquid and leaking, get into the flush fluid through inlet 10, pass through first interface channel 13 in proper order, second recess 7, first recess 5 and second interface channel 14, and discharge by liquid outlet 12, thereby wash the recovery to liquid, prevent to cause the pollution to the environment, ammonia process desulfurization, denitration corrosivity requires than higher to the performance circulating pump, through main seal 6 and vice sealed 9, can strengthen the sealed effect of circulating pump self, thereby improve the leakproofness of circulating pump, can make spring 8 not direct and medium contact, thereby make spring 8 be difficult for taking place to block up and corrode, moreover, the steam generator is simple in structure, and convenient for operation, therefore, the clothes hanger is strong in practicability.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a desulfurization, denitration circulating pump mechanical seal structure, includes pump shaft (1), its characterized in that: the pump shaft (1) outside is provided with interior axle sleeve (2), interior axle sleeve (2) outside is provided with machine seal axle sleeve (3), machine seal axle sleeve (3) outside is provided with frame (4), first recess (5) have been seted up in machine seal axle sleeve (3), be provided with main seal (6) in first recess (5), second recess (7) have been seted up in frame (4), just second recess (7) are linked together with first recess (5), be provided with spring (8) in second recess (7), frame (4) top is provided with inlet (10), frame (4) bottom is provided with liquid outlet (12).
2. The mechanical seal structure of the desulfurization and denitrification circulating pump of claim 1, characterized in that: the top of the machine base (4) is provided with a first connecting channel (13), and the first connecting channel (13) is respectively communicated with the liquid inlet (10), the first groove (5) and the second groove (7).
3. The mechanical seal structure of the desulfurization and denitrification circulating pump of claim 1, characterized in that: and a second connecting channel (14) is formed at the bottom of the machine base (4), and the second connecting channel (14) is respectively communicated with the liquid outlet (12), the first groove (5) and the second groove (7).
4. The mechanical seal structure of the desulfurization and denitrification circulating pump of claim 1, characterized in that: and two ends of the spring (8) are respectively fixedly connected with the main seal (6) and the machine base (4).
5. The mechanical seal structure of the desulfurization and denitrification circulating pump of claim 1, characterized in that: and an auxiliary seal (9) is arranged on the right side of the machine base (4).
6. The mechanical seal structure of the desulfurization and denitrification circulating pump of claim 1, characterized in that: and a screw hole (11) is formed in the outer side of the machine base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982792.1U CN210919554U (en) | 2019-11-18 | 2019-11-18 | Desulfurization, denitration circulating pump mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982792.1U CN210919554U (en) | 2019-11-18 | 2019-11-18 | Desulfurization, denitration circulating pump mechanical seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919554U true CN210919554U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921982792.1U Active CN210919554U (en) | 2019-11-18 | 2019-11-18 | Desulfurization, denitration circulating pump mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919554U (en) |
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2019
- 2019-11-18 CN CN201921982792.1U patent/CN210919554U/en active Active
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