CN213089162U - Wear-resistant structure of compensator at inlet and outlet of slurry pump of desulfurization mill - Google Patents
Wear-resistant structure of compensator at inlet and outlet of slurry pump of desulfurization mill Download PDFInfo
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- CN213089162U CN213089162U CN202021701268.5U CN202021701268U CN213089162U CN 213089162 U CN213089162 U CN 213089162U CN 202021701268 U CN202021701268 U CN 202021701268U CN 213089162 U CN213089162 U CN 213089162U
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Abstract
The utility model relates to a wear-resistant structure of a slurry pump inlet/outlet compensator of a desulfurization mill, which comprises a slurry pump main body, a reducing pipe, a rubber compensator and a conveying pipeline which are sequentially connected from bottom to top, wherein a wear-resistant pipe body concentric with the reducing pipe runs through the reducing pipe and the rubber compensator; the lower end of the wear-resistant pipe body is fixedly connected with the small-caliber end of the reducing pipe, the upper end of the wear-resistant pipe body is connected with the slurry rotation preventing mechanism, and the slurry rotation preventing mechanism is located above the rubber compensator. Effectively avoided reducing pipe and rubber compensator direct contact lime stone thick liquid through increasing wear-resisting body and preventing thick liquid mechanism of circling round, possess corrosion-resistant, stand wear and tear characteristic because of wear-resisting body, can improve the life of rubber compensator and reducing pipe greatly.
Description
Technical Field
The utility model relates to a power generation facility technical field especially relates to desulfurization mill thick liquid pump access & exit compensator stand wear and tear structure.
Background
The slurry pumps of the mill in the power plant are mainly distributed in the desulfurization and pulping area, and the slurry pumps of the mill are used for conveying limestone slurry produced by the wet ball mill into a desulfurization system right above the pulping area so as to continuously provide the limestone slurry for the desulfurization system.
Mill thick liquid pump and supporting structure mainly include thick liquid pump main part, lining rubber reducing pipe, rubber compensator and pipeline, and thick liquid pump main part, lining rubber reducing pipe, rubber compensator and pipeline connect gradually according to the order from bottom to top, and the concrete connection form is: the liquid outlet end of the slurry pump main body is connected with the small-caliber end of the rubber-lined reducing pipe, the large-caliber end of the rubber-lined reducing pipe is connected with the liquid inlet end of the rubber compensator, and the liquid outlet end of the rubber compensator is connected with the conveying pipeline.
In the actual use process, because the working medium is limestone slurry, the abrasion corrosive force is strong, when a slurry pump runs, a large number of particles in the slurry continuously scour the rubber compensator and the rubber lining reducing pipe connected with the rubber compensator, so that the rubber compensator and the rubber lining reducing pipe are abraded to different degrees, the rubber compensator and the rubber lining reducing pipe are frequently leaked, the shortest replacement period is less than 1 week, and a large amount of material waste and manpower waste are caused.
Through the analysis, solve the wearing and tearing condition of rubber compensator and lining rubber reducing pipe, the most direct mode is exactly the contact that reduces limestone slurry and rubber compensator and lining rubber reducing pipe inner wall as far as possible, provides a desulfurization mill thick liquid pump access & exit compensator wear-resistant structure based on this application of this thinking for the wearing and tearing problem has obtained very big improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide desulfurization mill thick liquid pump access & exit compensator stand wear and tear structure.
The utility model is realized by the following technical proposal, provides a wear-resistant structure of the outlet/inlet compensator of the slurry pump of the desulfurization mill, which comprises a slurry pump main body, a reducing pipe, a rubber compensator and a conveying pipeline which are sequentially connected from bottom to top, and a wear-resistant pipe body concentric with the reducing pipe runs through the reducing pipe and the rubber compensator; the lower end of the wear-resistant pipe body is fixedly connected with the small-caliber end of the reducing pipe, the upper end of the wear-resistant pipe body is connected with the slurry rotation preventing mechanism, and the slurry rotation preventing mechanism is located above the rubber compensator.
Preferably, a groove is arranged at one end of the wear-resistant pipe body connected with the reducing pipe. The groove can increase the connecting surface of the wear-resistant pipe body and the reducing pipe, and the connecting strength is improved.
Preferably, the wear-resistant pipe body is a long lance tube of a soot blower of the boiler. The long soot blower gun barrel of the boiler belongs to waste utilization, and can be directly used after being cut according to the required length.
Preferably, the slurry pump main body is connected with the reducing pipe through a flange, the reducing pipe is connected with the rubber compensator through a flange, and the rubber compensator is connected with the conveying pipeline through a flange.
Preferably, the slurry backspin prevention mechanism is a circular ring sleeved and fixed on the outer wall of the wear-resistant pipe body.
Preferably, the slurry convolution preventing mechanism is a bell mouth, and a small-caliber end of the bell mouth is fixedly connected with the wear-resistant pipe body.
The utility model has the advantages that:
1. effectively avoided reducing pipe and rubber compensator direct contact lime stone thick liquid through increasing wear-resisting body and preventing thick liquid mechanism of circling round, possess corrosion-resistant, stand wear and tear characteristic because of wear-resisting body, can improve the life of rubber compensator and reducing pipe greatly.
2. The consumption of manpower and material resources is reduced, the environmental pollution caused by the large leakage of limestone slurry is avoided, and the guarantee is provided for the safe and civilized production of boiler equipment; meanwhile, the waste is repaired and the waste is utilized, the waste long soot blower gun barrel is recycled, the maintenance cost is saved, and the working concept of economy and environmental protection of our factory is met.
3. The slurry convolution preventing mechanism is higher than the rubber compensator and can effectively prevent the slurry from generating convolution vortex to wash the rubber compensator.
4. After the wear-resistant pipe body is added, the original rubber-lined reducing pipe can be replaced by the ordinary rubber-lined reducing pipe, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
shown in the figure:
1. the slurry pump comprises a slurry pump main body, 2, a reducing pipe, 3, a rubber compensator, 4, a conveying pipeline, 5, a bell mouth, 6 and a wear-resistant pipe body.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the utility model comprises a slurry pump main body 1, a reducing pipe 2, a rubber compensator 3 and a conveying pipeline 4 which are connected in sequence from bottom to top. In this embodiment, the connection relationship between the slurry pump main body 1 and the reducing pipe 2, the connection relationship between the reducing pipe 2 and the rubber compensator 3, and the connection relationship between the rubber compensator 3 and the conveying pipeline 4 all adopt the existing structural connection form, specifically, the slurry pump main body 1 and the reducing pipe 2 are connected through a flange, the reducing pipe 2 and the rubber compensator 3 are connected through a flange, and the rubber compensator 3 and the conveying pipeline 4 are connected through a flange.
The wear-resistant pipe body 6 concentric with the reducing pipe 2 penetrates through the reducing pipe 2 and the rubber compensator 3. The lower end of the wear-resistant pipe body 6 is fixedly connected with the small-caliber end of the reducing pipe 2, the upper end of the wear-resistant pipe body is connected with the slurry rotation preventing mechanism, and the slurry rotation preventing mechanism is positioned above the rubber compensator 3. The slurry convolution preventing mechanism is higher than the rubber compensator 3, so that the slurry convolution can be effectively prevented from generating convolution vortex to wash the rubber compensator 3.
In this embodiment, in order to increase the connection surface between the wear-resistant pipe body 6 and the reducing pipe 2 and improve the connection strength, a groove is formed at one end of the wear-resistant pipe body 6 connected to the reducing pipe 2, and the groove is welded to the reducing pipe 2.
In this embodiment, in order to ensure that the wear-resistant pipe body 6 has sufficient wear-resistant and corrosion-resistant effects, the wear-resistant pipe body 6 is made of 1Cr18Ni9Ti, and further, based on the principle of saving cost and waste utilization, the wear-resistant pipe body 6 adopts a long lance tube of a boiler, and the long lance tube of the boiler belongs to waste utilization and can be directly used after being cut according to the required length.
In this embodiment, the slurry backspin prevention mechanism is a ring sleeved and fixed on the outer wall of the wear-resistant pipe body 6.
In this embodiment, the slurry circulation preventing mechanism is a bell mouth 5, and a small-caliber end of the bell mouth 5 is fixedly connected with the wear-resistant pipe body 6. Further, the taper of the bell mouth 5 is the same as that of the reducing pipe 2.
Effectively avoided reducing pipe 2 and 3 direct contact limestone slurry of rubber compensator through increasing wear-resisting body 6 and preventing the thick liquid mechanism of circling round, possess corrosion-resistant, stand wear and tear characteristic because of wear-resisting body 6, can improve the life of rubber compensator 3 and reducing pipe 2 greatly.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (6)
1. Desulfurization mill thick liquid pump access & exit compensator wear-resistant structure includes thick liquid pump main part, reducing pipe, rubber compensator and the pipeline of connecting in proper order from bottom to top, its characterized in that: the wear-resistant pipe body concentric with the reducing pipe penetrates through the reducing pipe and the rubber compensator; the lower end of the wear-resistant pipe body is fixedly connected with the small-caliber end of the reducing pipe, the upper end of the wear-resistant pipe body is connected with the slurry rotation preventing mechanism, and the slurry rotation preventing mechanism is located above the rubber compensator.
2. The desulfurization mill slurry pump inlet-outlet compensator wear-resistant structure of claim 1, wherein: the end of the wear-resistant pipe body connected with the reducing pipe is provided with a groove.
3. The desulfurization mill slurry pump inlet-outlet compensator wear-resistant structure of claim 2, wherein: the wear-resistant pipe body is a long soot blower gun pipe of the boiler.
4. The desulfurization mill slurry pump inlet-outlet compensator wear-resistant structure of claim 1, wherein: the slurry pump main body is connected with the reducing pipe through a flange, the reducing pipe is connected with the rubber compensator through a flange, and the rubber compensator is connected with the conveying pipeline through a flange.
5. The desulfurization mill slurry pump inlet-outlet compensator wear-resistant structure of claim 1, wherein: the slurry rotation preventing mechanism is a circular ring which is sleeved and fixed on the outer wall of the wear-resistant pipe body.
6. The desulfurization mill slurry pump inlet-outlet compensator wear-resistant structure of claim 1, wherein: the slurry rotation preventing mechanism is a bell mouth, and a small-caliber end of the bell mouth is fixedly connected with the wear-resistant pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701268.5U CN213089162U (en) | 2020-08-16 | 2020-08-16 | Wear-resistant structure of compensator at inlet and outlet of slurry pump of desulfurization mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701268.5U CN213089162U (en) | 2020-08-16 | 2020-08-16 | Wear-resistant structure of compensator at inlet and outlet of slurry pump of desulfurization mill |
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| Publication Number | Publication Date |
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| CN213089162U true CN213089162U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021701268.5U Active CN213089162U (en) | 2020-08-16 | 2020-08-16 | Wear-resistant structure of compensator at inlet and outlet of slurry pump of desulfurization mill |
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| Country | Link |
|---|---|
| CN (1) | CN213089162U (en) |
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2020
- 2020-08-16 CN CN202021701268.5U patent/CN213089162U/en active Active
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