CN107100883A - A kind of chemical centrifugal pump with shock-absorbing function - Google Patents
A kind of chemical centrifugal pump with shock-absorbing function Download PDFInfo
- Publication number
- CN107100883A CN107100883A CN201710370735.7A CN201710370735A CN107100883A CN 107100883 A CN107100883 A CN 107100883A CN 201710370735 A CN201710370735 A CN 201710370735A CN 107100883 A CN107100883 A CN 107100883A
- Authority
- CN
- China
- Prior art keywords
- pump
- bearing
- seat
- spring
- shaft
- Prior art date
- 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.)
- Pending
Links
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 238000005266 casting Methods 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/049—Roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Abstract
The invention discloses a kind of chemical centrifugal pump with shock-absorbing function, including pump intake, choma, impeller, pump discharge, impeller nut, pump pressure lid, machine sealed cover, the support of bearing, pouring orifice, oil level indicator, thrust bearing, fan, shaft coupling, motor, pump shaft, oil-out, electric machine support, pump seat, buffer layer, cushion, pressure relief opening, filler, rotating ring, rotating seat, spring, spring base, journal bearing, the pump housing, choma, axle sleeve；The present invention uses mechanical seal, mechanical seal has safe and reliable, leakage rate is few, the characteristics of good seal performance, and fuel tank is provided with the support of bearing, bearing one end is provided with fan, the type of cooling can be selected as needed, can effectively ensure the running temperature of bearing, and pump seat is provided with buffer layer and cushion rubber layer, vibrations during pump operation can be effectively reduced, play a part of damping noise reduction.
Description
Technical field
The invention belongs to centrifugal pump field, a kind of chemical centrifugal pump with shock-absorbing function is refered in particular to.
Background technology
Chemical centrifugal pump refers to the centrifugal pump for being used in chemical field, and centrifugal pump is compared with other kinds of pump, and it has
The advantages of simple structure, uniform, easy to adjust not easy to wear, water outlet, efficiency high, therefore chemical centrifugal pump has obtained extensive answer
With such as：The flow conveying of the industrial circles such as petrochemical industry, electric power, Ferrous Metallurgy, desalinization, environmentally friendly pharmacy.But chemical industry from
Heart pump there is also some problems：1. in chemical centrifugal pump running, vibrations are larger, without damping device, easily right
Chemical centrifugal pump installing zone causes abrasion；2. in dangerous material course of conveying, sealing device reliability is not high, it is impossible to which offer more has
The leakage preventing device of guarantee.
The content of the invention
To solve above-mentioned problem, the present invention proposes a kind of chemical centrifugal pump with shock-absorbing function, and mechanical seal is reliable.
Concrete technical scheme of the present invention is as follows：A kind of chemical centrifugal pump with shock-absorbing function, including the pump housing, the pump housing
Left end be provided with pump intake, the upper end of the pump housing is provided with pump discharge, and pump intake inside pump discharge with being connected, provided with leaf in the pump housing
Wheel, impeller is fixed by key and is arranged on by impeller nut on pump shaft, and choma, choma number are provided between the impeller and the pump housing
Measure as 2, pump pressure lid is located on the right side of the pump housing, the pump pressure lid is fixed with the pump housing by screw, the pump pressure lid and machine sealed cover
It is fixedly connected by screw, pump pressure lid is relative with machine sealed cover to be enclosed to form cavity, and mechanical seal, the machinery are provided with cavity
Sealing includes being on the inside of hollow structure, axle sleeve in axle sleeve, filler, rotating ring, rotating seat, spring, spring base, the axle sleeve and pump shaft
Connection, axle sleeve left end is connected with pump cover, and spring is located on spring base, rotating seat is provided with the right side of spring, rotating seat is L-shaped structure,
Rotating ring is provided with the right side of rotating seat, rotating ring is provided with filler, the support of bearing and the fixed company of pump pressure lid on the right side of I-shaped structure, rotating ring
Connect, the inner side of the support of bearing is provided with journal bearing, thrust bearing, and journal bearing, thrust bearing are connected by bearing block with pump shaft,
Journal bearing is located between mechanical seal, thrust bearing, fuel tank is provided between journal bearing and thrust bearing, fuel tank one end is provided with
Pouring orifice, the other end is provided with oil-out, and fuel tank is provided with the right side of oil level indicator, the thrust bearing and is provided with fan, and fan interface is
Rectangle structure, fan is connected by fan base with pump shaft, and the right-hand member of pump shaft and the output shaft of motor are fixed by shaft coupling and connected
Connect, motor is located on motor cabinet, and motor cabinet is fixedly connected with pump seat by screw, the pump housing is fixed with pump seat by screw to be connected
Connect, pump seat is cast iron materials, pump seat is provided with buffer layer, cushion, buffer layer to be constituted provided with damping spring, is provided with cushion
Rubber, buffer layer is located above cushion.
Provided with a pair of angular contact ball bearings in the thrust bearing.
Cylinder roller bearing is provided with the journal bearing.
The present invention has beneficial effect, and the present invention uses mechanical seal, and mechanical seal has safe and reliable, and leakage rate is few,
Fuel tank is provided with the characteristics of good seal performance, the support of bearing, bearing one end is provided with fan, the type of cooling can be selected as needed,
The running temperature of bearing can effectively be ensured, pump seat is provided with spring shock absorption layer and cushion rubber layer, when effectively can reduce pump operation
Vibrations, play a part of damping noise reduction, the present invention be applied to petrochemical industry, electric power, nuclear power, desalinization and urban water supply,
Large hydraulic engineering etc..
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
In figure：1- pump intakes, 2- chomas, 3- impellers, 4- pump discharges, 5- impeller nuts, 6- pump pressure lids, 7- machine sealed covers,
The 8- supports of bearing, 9- pouring orifices, 10- oil level indicators, 11- thrust bearings, 12- fans, 13- shaft couplings, 14- motors, 15- pump shafts,
16- oil-outs, 17- electric machine supports, 18- pump seats, 19- buffer layers, 20- cushions, 21- pressure relief openings, 22- fillers, 23- rotating rings,
24- rotating seats, 25- springs, 26- spring bases, 27- journal bearings, the 29- pump housings, 30- chomas, 31- axle sleeves.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
A kind of chemical centrifugal pump with shock-absorbing function, including the pump housing, the left end of the pump housing are provided with pump intake, the pump housing
Upper end is provided with pump discharge, and pump intake is provided with impeller with being connected inside pump discharge in the pump housing, impeller is fixed by key and by leaf
Take turns nut to be arranged on pump shaft, choma is provided between the impeller and the pump housing, choma quantity is 2, and it is right that pump pressure lid is located at the pump housing
Side, the pump pressure lid is fixed with the pump housing by screw, it is described pump pressure lid is fixedly connected with machine sealed cover by screw, pump pressure lid and
Machine sealed cover is relative to be enclosed to form cavity, is provided with mechanical seal in cavity, and the mechanical seal includes axle sleeve, filler, rotating ring, dynamic
It is to be connected on the inside of hollow structure, axle sleeve with pump shaft in ring seat, spring, spring base, the axle sleeve, axle sleeve left end is connected with pump cover,
Spring is located on spring base, and rotating seat is provided with the right side of spring, and rotating seat is that rotating ring is provided with the right side of L-shaped structure, rotating seat, and rotating ring is
Filler is provided with the right side of I-shaped structure, rotating ring, the support of bearing is fixedly connected with pump pressure lid, and the inner side of the support of bearing is provided with radially
Bearing, thrust bearing, journal bearing, thrust bearing are connected by bearing block with pump shaft, and journal bearing is located at mechanical seal, thrust
Between bearing, fuel tank is provided between journal bearing and thrust bearing, fuel tank one end is provided with pouring orifice, and the other end is provided with oil-out,
Fuel tank, which is provided with the right side of oil level indicator, the thrust bearing, is provided with fan, and fan interface is rectangle structure, and fan passes through fan base
It is connected with pump shaft, the right-hand member of pump shaft is fixedly connected with the output shaft of motor by shaft coupling, motor is located on motor cabinet, motor cabinet
It is fixedly connected with pump seat by screw, the pump housing is fixedly connected with pump seat by screw, pump seat is cast iron materials, pump seat is provided with
Constituted in buffer layer, cushion, buffer layer provided with damping spring, rubber is provided with cushion, buffer layer is located above cushion.
Provided with a pair of angular contact ball bearings in the thrust bearing.
Cylinder roller bearing is provided with the journal bearing.
The preferred embodiment for the present invention is explained in detail above in conjunction with accompanying drawing, but the invention is not restricted to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Make a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (3)
1. a kind of chemical centrifugal pump with shock-absorbing function, it is characterised in that including the pump housing, the left end of the pump housing, which is provided with, to be pumped into
Mouthful, the upper end of the pump housing is provided with pump discharge, and pump intake is provided with impeller with being connected inside pump discharge in the pump housing, impeller is solid by key
Determine and be arranged on by impeller nut on pump shaft, choma is provided between the impeller and the pump housing, choma quantity is 2, and pump pressure is covered
On the right side of the pump housing, the pump pressure lid is fixed with the pump housing by screw, and the pump pressure lid is fixed with machine sealed cover by screw to be connected
Connect, pump pressure lid is relative with machine sealed cover to be enclosed to form cavity, provided with mechanical seal in cavity, the mechanical seal including axle sleeve,
It is to be connected on the inside of hollow structure, axle sleeve with pump shaft in filler, rotating ring, rotating seat, spring, spring base, the axle sleeve, axle sleeve left end
It is connected with pump cover, spring is located on spring base, rotating seat is provided with the right side of spring, rotating seat is to be provided with the right side of L-shaped structure, rotating seat
Rotating ring, rotating ring is that filler is provided with the right side of I-shaped structure, rotating ring, and the support of bearing is fixedly connected with pump pressure lid, the support of bearing
Inner side is provided with journal bearing, thrust bearing, and journal bearing, thrust bearing are connected by bearing block with pump shaft, and journal bearing is located at
Between mechanical seal, thrust bearing, fuel tank is provided between journal bearing and thrust bearing, fuel tank one end is provided with pouring orifice, another
End is provided with oil-out, and fuel tank, which is provided with the right side of oil level indicator, the thrust bearing, is provided with fan, and fan interface is rectangle structure,
Fan is connected by fan base with pump shaft, and the right-hand member of pump shaft is fixedly connected with the output shaft of motor by shaft coupling, and motor is located at
On motor cabinet, motor cabinet is fixedly connected with pump seat by screw, and the pump housing is fixedly connected with pump seat by screw, and pump seat is casting
Iron material, pump seat is provided with buffer layer, cushion, buffer layer to be constituted provided with damping spring, and rubber, buffer layer are provided with cushion
Above cushion.
2. a kind of chemical centrifugal pump with shock-absorbing function as claimed in claim 1, it is characterised in that in the thrust bearing
Provided with a pair of angular contact ball bearings.
3. a kind of chemical centrifugal pump with shock-absorbing function as claimed in claim 1, it is characterised in that in the journal bearing
Provided with cylinder roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370735.7A CN107100883A (en) | 2017-05-23 | 2017-05-23 | A kind of chemical centrifugal pump with shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370735.7A CN107100883A (en) | 2017-05-23 | 2017-05-23 | A kind of chemical centrifugal pump with shock-absorbing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107100883A true CN107100883A (en) | 2017-08-29 |
Family
ID=59669558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710370735.7A Pending CN107100883A (en) | 2017-05-23 | 2017-05-23 | A kind of chemical centrifugal pump with shock-absorbing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107100883A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443166A (en) * | 2018-05-10 | 2018-08-24 | 约翰斯顿流体科技（无锡）有限公司 | Double entry pump is opened in a kind of squelch type |
| CN109488601A (en) * | 2018-12-17 | 2019-03-19 | 杭州杭氧工装泵阀有限公司 | A kind of high pressure vertical multistage low-temperature centrifugal pump with the design of bearing tank moduleization |
| CN109654068A (en) * | 2019-01-11 | 2019-04-19 | 武汉理工大学 | A kind of damping of centrifugal pump |
| CN110925219A (en) * | 2018-09-20 | 2020-03-27 | 张家港百舸光电科技有限公司 | Pump body of volute pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201944013U (en) * | 2010-12-30 | 2011-08-24 | 上海阿波罗机械股份有限公司 | Spent fuel water pool cooling pump for nuclear power station |
| CN102444718A (en) * | 2010-10-15 | 2012-05-09 | 长沙理工大学 | Combined mechanical seal |
| CN205430348U (en) * | 2016-03-20 | 2016-08-03 | 毛晟 | Add handheld terminal of stationary |
| CN106286291A (en) * | 2016-10-21 | 2017-01-04 | 宁波邦威泵业有限公司 | Impeller pump shaft sealer |
| CN106593889A (en) * | 2016-12-29 | 2017-04-26 | 镇江福泰克流体技术有限公司 | Centrifugal pump applicable to small and medium flow work conditions |
| CN206753980U (en) * | 2017-05-23 | 2017-12-15 | 孙海龙 | A kind of chemical centrifugal pump with shock-absorbing function |
-
2017
- 2017-05-23 CN CN201710370735.7A patent/CN107100883A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444718A (en) * | 2010-10-15 | 2012-05-09 | 长沙理工大学 | Combined mechanical seal |
| CN201944013U (en) * | 2010-12-30 | 2011-08-24 | 上海阿波罗机械股份有限公司 | Spent fuel water pool cooling pump for nuclear power station |
| CN205430348U (en) * | 2016-03-20 | 2016-08-03 | 毛晟 | Add handheld terminal of stationary |
| CN106286291A (en) * | 2016-10-21 | 2017-01-04 | 宁波邦威泵业有限公司 | Impeller pump shaft sealer |
| CN106593889A (en) * | 2016-12-29 | 2017-04-26 | 镇江福泰克流体技术有限公司 | Centrifugal pump applicable to small and medium flow work conditions |
| CN206753980U (en) * | 2017-05-23 | 2017-12-15 | 孙海龙 | A kind of chemical centrifugal pump with shock-absorbing function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443166A (en) * | 2018-05-10 | 2018-08-24 | 约翰斯顿流体科技（无锡）有限公司 | Double entry pump is opened in a kind of squelch type |
| CN110925219A (en) * | 2018-09-20 | 2020-03-27 | 张家港百舸光电科技有限公司 | Pump body of volute pump |
| CN109488601A (en) * | 2018-12-17 | 2019-03-19 | 杭州杭氧工装泵阀有限公司 | A kind of high pressure vertical multistage low-temperature centrifugal pump with the design of bearing tank moduleization |
| CN109654068A (en) * | 2019-01-11 | 2019-04-19 | 武汉理工大学 | A kind of damping of centrifugal pump |
| CN109654068B (en) * | 2019-01-11 | 2019-09-03 | 武汉理工大学 | A kind of damping of centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170829 |