CN201106565Y - High-temperature high sundry-ratio centrifugal type coal liquid pump - Google Patents
High-temperature high sundry-ratio centrifugal type coal liquid pump Download PDFInfo
- Publication number
- CN201106565Y CN201106565Y CNU200620048219XU CN200620048219U CN201106565Y CN 201106565 Y CN201106565 Y CN 201106565Y CN U200620048219X U CNU200620048219X U CN U200620048219XU CN 200620048219 U CN200620048219 U CN 200620048219U CN 201106565 Y CN201106565 Y CN 201106565Y
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- pump
- heating
- impeller
- high temperature
- machanism
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Abstract
The utility model relates to a high temperature and high impurity ratio centrifugal coal pulp pump, which is a single stage single suction vertical pump with a cantilevered structure, wherein, a pump base, a pump stander, and a rear heating cavity body form an outer shell body; a front cover board, a rear cover board, and a yielding water section form an inner shell body, thereby forming a double shell body structure. An impeller structure is a double block impeller structure. A packing seal structure is a detachable integral packing seal structure. A group of heating mechanisms used for the heating and the heat-preservation of components of the pump is included. The high temperature and high impurity ratio centrifugal coal pulp pump of the utility model integrates the characteristics and the functions of a slag pulp pump, a chemical pump, and a high rotating speed pump into a whole, solves the abrasion problem of overflowing parts such as an impeller and a pump body, etc. and the siltation and block problem of the solid in a certain area as well as the seal problem and the problems of the heating and the heat-preservation, etc., and has practical value.
Description
Technical field
The utility model relates to a kind of FLUID TRANSPORTATION pump, relates in particular to a kind of high temperature high impurity ratio centrifugal coal slurry pump.
Background technique
Centrifugal type slurry pump can be used to carry the solid mixture that abrasion is more intense, contain the strong solid particle, as ore pulp, lime-ash, cement slurry, mortar, grit etc.But existing centrifugal type slurry pump allows impurity content usually between 3～5%, and in power plant desulfurization technology, carbon residue content is up to 30%, and this is the at present domestic and international the highest operating mode of impurity content.And in " coal system oil " direct liquefaction commercial plant, solid content is up to 50%wt in the coal slurry, existing centrifugal type slurry pump can not adapt to, add and need to keep medium temperature, thereby wear problem, the alluvial of solid in certain zone that this pump must solve flow passage components such as the impeller and the pump housing block problems such as problem, sealing problem and heat tracing more than 300 ℃.
Summary of the invention
The purpose of this utility model provides a kind of high temperature high impurity ratio centrifugal coal slurry pump exactly in order to address the above problem.
The purpose of this utility model is achieved in that a kind of high temperature high impurity ratio centrifugal coal slurry pump, be cantilever structure one step single sucking vertical pump, mainly comprise pump seat, pump bracket, impeller, impeller shaft, front shroud, back shroud, intake pipe, water exit end, back heating cavity, filler and filler baffle plate, be characterized in, described pump seat, pump bracket and back heating cavity are formed frame, described front shroud, back shroud and water exit end are formed inner housing, constitute double-shell structure; Described impeller is a unshrouded impeller, is provided with back blade in nearly back shroud one side of impeller, is in series with two resistance envelope impellers at the rear portion of impeller, is provided with resistance packing plate in the peripheries of two resistance envelope impellers, constitutes two resistance envelope blade wheel structures; On described impeller shaft, be with axle sleeve corresponding to the position of laying filler, many fillers are closely arranged the periphery that is arranged on this axle sleeve, compress the realization sealing by Gland, be connected with bolt between described filler and the filler baffle plate, and, constitute detachable whole packing seal structure with metallic cover pad static seal.
Described filler baffle plate is provided with the flushing oil import, and the flushing oil inlet tube is installed in the flushing oil import.
Also comprise one group of heating machanism that can heat and be incubated the each several part of pump, this group heating machanism comprises intake pipe heating machanism, preceding heating machanism, middle heating machanism and back heating machanism; Each heating machanism all comprises an inlet tube, an outer pipe and a heating chamber.
The heating chamber of described intake pipe heating machanism is the chuck that is arranged in the water tube wall into, and its inlet tube is connected on the head flanges of intake pipe and with chuck and is communicated with, and its outer pipe is connected on the root flange of intake pipe and with chuck and is communicated with.
The heating chamber of heating machanism is the gap that forms between pump seat and the front shroud before described, and its import and export pipe is connected on the pump seat and is communicated with the opposite end of heating chamber respectively.
The heating chamber of heating machanism is the gap that forms between front shroud and the water exit end in described, and its import and export pipe is connected on the pump seat and passes front shroud respectively and is communicated with the opposite end of heating chamber.
The heating chamber of described back heating machanism is the gap that forms between back shroud and the back heating cavity, and its import and export pipe is connected to the opposite end of back heating cavity and is communicated with heating chamber respectively.
Described packing seal structure also comprises a packing ring, and this packing ring replaces two fillers and is arranged on the periphery of axle sleeve, and is provided with the sealing liquid import on the Gland of relevant position, can inject the sealing liquid auxiliary seal as required.
The utility model high temperature high impurity ratio centrifugal coal slurry pump integrates slag stock pump, chemical pump and high speed pump functional characteristics, the wear problem, the alluvial of solid in certain zone that have solved flow passage components such as the impeller and the pump housing block problems such as problem, sealing problem and heat tracing, have use value.
Description of drawings
Fig. 1 is the general structure cross-sectional schematic of the utility model high temperature high impurity ratio centrifugal coal slurry pump;
Fig. 2 is the right side view of coal slurry pump shown in Figure 1;
Fig. 3 is the two resistance envelope blade wheel structure schematic representation in the utility model;
Fig. 4 is the heating arrangement schematic representation in the utility model;
Fig. 5 is the packing seal structure schematic representation in the utility model.
Embodiment
Referring to Fig. 1, Fig. 2, high temperature high impurity ratio centrifugal coal slurry pump of the present utility model comprises pump seat 1, intake pipe 2, pad 3, front shroud 4, water exit end 5, impeller 6, back shroud 7, resistance packing plate 8, filler 9, packing ring 10, axle sleeve 11, bearing bracket 12, axle sleeve 13, angular contact ball bearing 14, electric machine support 15, coupling parts 16, water inlet heating chamber inlet tube 17, preceding heating chamber is imported and exported pipe 18, middle heating chamber is imported and exported pipe 19, motor 20, locking nut 21, bearing cap 22, bearing support 23, axle 24, roller bearing 25, bearing cap 26, Gland 27, flushing oil inlet tube 28, filler 29, back heating cavity 30, filler baffle plate 31, resistance envelope impeller 32, back heating chamber is imported and exported pipe 33, adjust pad 34, pump bracket 35 and water inlet heating chamber outer pipe 36.
Consider the solid matter that the slag stock pump is carried, the pump flow passage components are had very strong abrasion, thus the selecting for use of reasonable structural design and overcurrent part material, can guarantee the reliable running of pump, reduce the rate of wear of overcurrent component, prolong the working life of pump.Impeller 6 in the utility model and resistance envelope impeller 32 adopt nickel Hart alloy to make, and front shroud 4, water exit end 5, back shroud 7 adopt KmTBCr26 to make.Because the gold machining manufacturability of high-abrasive material is relatively poor, direct and the contacted part of fed sheet of a media often need be changed again, so the utility model is formed frame by pump seat 1, pump bracket 35 and back heating cavity 30, form inner housing by front shroud 4, back shroud 7 and water exit end 5, constitute double-shell structure, by tolerance fit and bolton, whole flow passage components can reduce wear part like this by pump seat 1, pump bracket 35 and bearing bracket 12.
Bearing bracket 12 cooperates with bearing support 23 and constitutes water cooling chamber, in order to roller bearing 25 coolings, and the heat transfer of blocking-up 20 directions from pump inlet towards motor.Pump seat 1 is imported and exported the pipeline positions with pump bracket 35 locking pumps, when tearing pump open, and can motionless import and export pipeline and pump rotor is all taken out convenient for maintaining.
Cooperation is referring to Fig. 3, and in order to prevent to leak and the alluvial of coal dust, the utility model is designed to unshrouded impeller with impeller 6, at its back shroud place back blade 61 is set, by the back blade action of centrifugal force, a large amount of solid matters is radially thrown away, avoided a large amount of alluvials between pump and axle envelope.
Referring to Fig. 3, the utility model has also been connected behind impeller 6 two and has been hindered envelope impellers 32, and between two resistance envelope impellers 32 resistance packing plate 8 is set, the two resistance envelope of formation blade wheel structures.This structure further block media is sealed flowing of direction to axle, reduces axle envelope place pressure, prevents alluvial.
The utility model and is provided with stop pin 37 between resistance packing plate 8 and the filler baffle plate 31 also between back shroud 7 and resistance packing plate 8, and whole two resistance envelope blade wheel structures are fastening by back heating cavity 30 and back shroud 7 and bearing bracket 12.
The utility model also is provided with the flushing oil import on filler baffle plate 31, flushing oil inlet tube 28 is installed in the flushing oil import.Inject flushing oil by flushing oil inlet tube 28 and wash, can prevent the coal slurry alluvial.
Referring to Fig. 5, packing seal structure of the present utility model is detachable whole packing seal, on impeller shaft 24, be with axle sleeve 11 corresponding to the position of laying filler, many fillers 9 are closely arranged the periphery that is arranged on this axle sleeve, compress the realization sealing by Gland 27, be connected with bolt between filler 29 and the filler baffle plate 31, and with metallic cover pad 38 static seals.
Above-mentioned packing seal structure can also comprise a packing ring 10, and this packing ring replaces two fillers 9 and is arranged on the periphery of axle sleeve 11, and is provided with sealing liquid import 201 on the Gland 27 of relevant position.According to reality sealing situation, then inject the sealing liquid auxiliary seal as needs; As not needing, then take out packing ring 10, and seal sealing liquid import 201, put into two fillers 9 in the place of putting packing ring 10 originally.Filler 29 quick releases are convenient for changing filler.
Cooperation is referring to Fig. 4, and for keeping medium temperature, the utility model also is provided with one group of heating machanism that can heat and be incubated the each several part of pump, and this group heating machanism comprises intake pipe heating machanism, preceding heating machanism, middle heating machanism and back heating machanism; Each heating machanism all comprises an inlet tube, an outer pipe and a heating chamber.The concrete practice is:
1, a chuck is set as heating chamber 101 in the tube wall of intake pipe 2, an inlet tube 17 is installed on the head flanges of intake pipe and is communicated with chuck, an outer pipe 36 is installed on the root flange of intake pipe and is communicated with formation intake pipe heating machanism with chuck.By the conduction oil of 310 ℃～350 ℃ of implantation temperatures, pressure 0.65Mpa, in order to keep the temperature of intake pipe 2 medium.
2, constitute preceding heating chamber 102 by the gap that forms between pump seat 1 and the front shroud 4, and on pump seat 1, be installed into outer pipe 18 respectively and be communicated with heating machanism before constituting respectively with the opposite end of preceding heating chamber.By the conduction oil of 310 ℃～350 ℃ of implantation temperatures, pressure 0.65Mpa, in order to keep impeller 6 imports and front shroud 4 place's medium temperatures;
3, constitute middle heating chamber 103 by the gap that forms between front shroud 4 and the water exit end 5, also passing front shroud 4 respectively is communicated with heating machanism in the formation with the opposite end of middle heating chamber to be installed into outer pipe 19 on pump seat 1 respectively.By the conduction oil of 310 ℃～350 ℃ of implantation temperatures, pressure 0.65Mpa, in order to keep water exit end 5 medium temperature;
4, the gap that is formed between the heating cavity 30 by back shroud 7 and back constitutes back heating chamber 104, is installed into outer pipe respectively and is communicated with heating machanism after the formation respectively with heating chamber at the opposite end of back heating cavity.By the conduction oil of 310 ℃～350 ℃ of implantation temperatures, pressure 0.65Mpa, in order to keep back shroud 7 and resistance envelope impeller 32 place's medium temperatures.
The utility model integrates slag stock pump, chemical pump and high speed pump functional characteristics, has solved the difficult problem of the fast speed pump of high concentration, and this pump meets API610 " API Std-oil, heavy chemistry and gas industrial centrifugal pump " standard.
The utility model is applicable to chemical industry and the high place of impurity content high-temperature, coal liquefaction field.Also can be applicable to the high occasions of impurity content such as mine, power station, papermaking.
Claims (8)
1. high temperature high impurity ratio centrifugal coal slurry pump, be cantilever structure one step single sucking vertical pump, mainly comprise pump seat, pump bracket, impeller, impeller shaft, front shroud, back shroud, intake pipe, water exit end, back heating cavity, filler and filler baffle plate, it is characterized in that: described pump seat, pump bracket and back heating cavity are formed frame, described front shroud, back shroud and water exit end are formed inner housing, constitute double-shell structure; Described impeller is a unshrouded impeller, is provided with back blade in nearly back shroud one side of impeller, is in series with two resistance envelope impellers at the rear portion of impeller, is provided with resistance packing plate in the peripheries of two resistance envelope impellers, constitutes two resistance envelope blade wheel structures; On described impeller shaft, be with axle sleeve corresponding to the position of laying filler, many fillers are closely arranged the periphery that is arranged on this axle sleeve, compress the realization sealing by Gland, be connected with bolt between described filler and the filler baffle plate, and, constitute detachable whole packing seal structure with metallic cover pad static seal.
2. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 1 is characterized in that: described filler baffle plate is provided with the flushing oil import, and the flushing oil inlet tube is installed in the flushing oil import.
3. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 1 or 2, it is characterized in that: also comprise one group of heating machanism that can heat and be incubated the each several part of pump, this group heating machanism comprises intake pipe heating machanism, preceding heating machanism, middle heating machanism and back heating machanism; Each heating machanism all comprises an inlet tube, an outer pipe and a heating chamber.
4. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 3, it is characterized in that: the heating chamber of described intake pipe heating machanism is the chuck that is arranged in the water tube wall into, its inlet tube is connected on the head flanges of intake pipe and with chuck and is communicated with, and its outer pipe is connected on the root flange of intake pipe and with chuck and is communicated with.
5. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 3, it is characterized in that: the heating chamber of heating machanism is the gap that forms between pump seat and the front shroud before described, and its import and export pipe is connected on the pump seat and is communicated with the opposite end of heating chamber respectively.
6. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 3, it is characterized in that: the heating chamber of heating machanism is the gap that forms between front shroud and the water exit end in described, and its import and export pipe is connected on the pump seat and passes front shroud respectively and is communicated with the opposite end of heating chamber.
7. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 3, it is characterized in that: the heating chamber of described back heating machanism is the gap that forms between back shroud and the back heating cavity, and its import and export pipe is connected to the opposite end of back heating cavity and is communicated with heating chamber respectively.
8. high temperature high impurity ratio centrifugal coal slurry pump as claimed in claim 1, it is characterized in that: two available packing rings in the described many fillers that are arranged on the axle sleeve periphery replace, and the sealing liquid import is set on the Gland of relevant position, can inject the sealing liquid auxiliary seal as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620048219XU CN201106565Y (en) | 2006-11-28 | 2006-11-28 | High-temperature high sundry-ratio centrifugal type coal liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620048219XU CN201106565Y (en) | 2006-11-28 | 2006-11-28 | High-temperature high sundry-ratio centrifugal type coal liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106565Y true CN201106565Y (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620048219XU Expired - Lifetime CN201106565Y (en) | 2006-11-28 | 2006-11-28 | High-temperature high sundry-ratio centrifugal type coal liquid pump |
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| CN (1) | CN201106565Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191492B (en) * | 2006-11-28 | 2012-09-26 | 神华煤制油研究中心有限公司 | High temperature high impurity ratio centrifugal coal slurry pump |
| CN103511323A (en) * | 2013-09-14 | 2014-01-15 | 江苏飞跃机泵制造有限公司 | Novel vertical type coal water slurry pump |
| RU2603214C2 (en) * | 2011-12-20 | 2016-11-27 | Зульцер Мэнэджмент Аг | Method and pump for transfer of highly viscous fluids |
| US10287522B2 (en) | 2013-01-31 | 2019-05-14 | General Electric Company | System and method for preparing coal water slurry |
| CN111648997A (en) * | 2020-06-09 | 2020-09-11 | 长沙佳能通用泵业有限公司 | High-pressure end sealing mechanism of ore pulp multistage centrifugal pump |
-
2006
- 2006-11-28 CN CNU200620048219XU patent/CN201106565Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191492B (en) * | 2006-11-28 | 2012-09-26 | 神华煤制油研究中心有限公司 | High temperature high impurity ratio centrifugal coal slurry pump |
| RU2603214C2 (en) * | 2011-12-20 | 2016-11-27 | Зульцер Мэнэджмент Аг | Method and pump for transfer of highly viscous fluids |
| US10287522B2 (en) | 2013-01-31 | 2019-05-14 | General Electric Company | System and method for preparing coal water slurry |
| CN103511323A (en) * | 2013-09-14 | 2014-01-15 | 江苏飞跃机泵制造有限公司 | Novel vertical type coal water slurry pump |
| CN111648997A (en) * | 2020-06-09 | 2020-09-11 | 长沙佳能通用泵业有限公司 | High-pressure end sealing mechanism of ore pulp multistage centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENHUA COAL OIL RESEARCH CENTER CO.; PATENTEE Free format text: FORMER NAME OR ADDRESS: NO.1 WATER PUMP FACTORY, SHANGHAI UNIVERSAL PUMP EQUIPMENT CO., LTD.; PATENTEE |
|
| CP03 | Change of name, title or address |
Address after: No. 368, Shuangbai Road, Shanghai, China: 201108 Co-patentee after: First Pump Factory of Shanghai General Pump Equipment Co., Ltd. Patentee after: Shenhua Coal Oil Research Center Co., Ltd. Address before: No. 45, Lane 4, Shanghai, Wuzhong Road, China: 200235 Co-patentee before: Shenhua Coal Liquefaction Research Center Co., Ltd. Patentee before: Shanghai general pump machine equipment Co., Ltd. No. 1 water pump factory |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080827 |
|
| EXPY | Termination of patent right or utility model |