CN1888443A - Improved chemical pump - Google Patents
Improved chemical pump Download PDFInfo
- Publication number
- CN1888443A CN1888443A CN 200610029591 CN200610029591A CN1888443A CN 1888443 A CN1888443 A CN 1888443A CN 200610029591 CN200610029591 CN 200610029591 CN 200610029591 A CN200610029591 A CN 200610029591A CN 1888443 A CN1888443 A CN 1888443A
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- bearing
- guide bearing
- guide
- pump
- shaft
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Abstract
The present invention relates to an improved chemical pump. It includes pump body, blade wheel, pump cap, supporting pipe, liquid-discharging pipe, flushing pipe, driving shaft wand bearing component. It is characterized by that its guide bearing seat is mounted on the supporting pipe by adopting bolt, in the guide bearing seat interior a guide bearing is mounted, and in the guide bearing interior a shaft sleeve is cover-mounted, said shaft sleeve is connected with driving shaft by adopting key, in the described guide bearing seat interior a flushing hole is cut, the outward opening end of said flushing hole is connected with flushing pipe, and another end of flushing pipe is connected with liquid-discharging pipe.
Description
[technical field]
The present invention relates to chemical pump technical field under the liquid, specifically a kind of modified model does not have chemical pump under the sealing fluid.
[background technique]
At present, chemical pump all adopts rolling bearing under the existing liquid, grease or thin oil lubricant; The axle envelope is mechanical seal.The occasion that chemical pump uses under the liquid generally is to aspirate chemical medium in groove jar or pond, and various chemical mediums often have corrosivity and contain solid particle, and the machine envelope is damaged easily, medium drains in the bearing support, the also very fast damage of bearing, bearing is short working life, and the safety reliability of pump operation is relatively poor.
[summary of the invention]
Purpose of the present invention is exactly will solve above-mentioned deficiency and a kind of modified model chemical pump is provided.It has mainly solved the technical problem of following two aspects: the one, and be to be corrosive and to contain the medium of solid particle at pumped medium, the axle envelope is damaged easily, improves structural design and adopts no shaft seal structure; Two are to use and corrosion-resistantly have the filled polytetrafluoroethylene of self lubricity to make guide bearing again, replace rolling bearing, have improved the safety reliability of pump, have prolonged the working life of pump.
For achieving the above object, the present invention proposes a kind of modified model chemical pump, comprises the pump housing, impeller, pump cover, support tube, liquid-discharging tube, cleaning hose, transmission shaft, bearing part, coupling, motor cabinet, guide bearing parts, motor and base plate is installed.A plurality of guide bearing parts are housed on the transmission shaft 6, described guide bearing parts mainly are made up of guide shaft bearing 16, guide bearing 17 and axle sleeve 18, guide shaft bearing 16 adopts bolt to be installed on the support tube 9, guide bearing 17 is housed in the guide shaft bearing 16, be with axle sleeve 18 in the guide bearing 17, axle sleeve 18 adopts key to connect transmission shaft 6, and described guide shaft bearing 16 inside have flushing hole 19, flushing hole 19 collar extension ends connect cleaning hose 15, and cleaning hose 15 the other ends connect liquid-discharging tube 14; Have lubricated tank 20 on guide bearing 17 internal surfaces, lubricated tank 20 is connected with flushing hole 19; Described guide bearing adopts the filled polytetrafluoroethylene guide bearing.
The present invention compares with prior art, novel structure, easy to use, safe, solved the problem that leakage takes place because of the wearing and tearing of axle envelope, original rolling bearing is replaced into the filled polytetrafluoroethylene guide bearing, be equipped with flushing line inside and outside the guide bearing, the pump operation vibration is little, and noise is low, owing to there is not sealing wear spare, improve the safety reliability of pump operation, prolonged the working life of pump.In addition, the present invention makes simply, and cost is low, is worthy of popularization.
[description of drawings]
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Referring to Fig. 1, Fig. 2,1 is motor, and 2 is elastic dowel pin shaft coupling, and 3 is motor cabinet, 4 is bearing part, and 5 for installing base plate, and 6 is transmission shaft, and 7 is the guide bearing parts, 8 is clamping coupling, and 9 is support tube, and 10 is pump cover, and 11 is impeller, 12 is the pump housing, and 13 is filter screen, and 14 is liquid-discharging tube, 15 is cleaning hose, and 16 is the guide shaft bearing, and 17 is guide bearing, 18 is axle sleeve, and 19 are flushing hole, and 20 are lubricated tank.
[specific embodiment]
Referring to Fig. 1, Fig. 2, motor 1 is the dry type motor, and motor 1 is installed on the motor cabinet 3, and motor cabinet 3 adopts Bolt Connection with bearing part 4, and whole the pump group of being made up of rotor part and supporting part is installed on the installation base plate 5.Elastic dowel pin shaft coupling 2, transmission shaft 6, clamping coupling 8 and impeller 11 are formed rotor part; The pump housing 12, pump cover 10, support tube 9, bearing part 4 and guide bearing parts 7 are formed supporting part; Electric machine main shaft adopts elastic dowel pin shaft coupling 2 to connect transmission shafts 6, and transmission shaft 6 is divided into more piece, between adopt clamping coupling 8 to link into an integrated entity.Bearing part 4 is equipped with bearing support and bearing gland, and bearing is housed in the bearing support, and bearing inner sleeve has axle sleeve, and axle sleeve adopts the fixedly connected transmission shaft 6 of key.Transmission shaft 6 is installed in the support tube 9, and transmission shaft 6 lower ends connect water pump.Guide bearing parts 7 are housed on support tube 9, described guide bearing parts mainly are made up of guide shaft bearing 16, guide bearing 17 and axle sleeve 18, guide shaft bearing 16 adopts bolt to be installed on the support tube 9, guide bearing 17 is housed in the guide shaft bearing 16, is with axle sleeve 18 in the guide bearing 17, axle sleeve 18 adopts key to connect transmission shaft 6, guide shaft bearing 16 inside have flushing hole 19, flushing hole 19 collar extension ends connect cleaning hose 15 by the FERRULETYPE joint, and cleaning hose 15 the other ends connect liquid-discharging tube 14, and coupled logical; Have lubricated tank 20 on guide bearing 17 internal surfaces, lubricated tank 20 is connected with flushing hole 19; Guide bearing adopts the filled polytetrafluoroethylene guide bearing.
Described water pump is vertical radial subdivision, rear opening, one step single sucking voluted type centrifugal pump, and impeller 11 is the double shrouded wheel structure, and seal ring is all joined in front and back, adopts the equalizing orifice balancing axial thrust.The weight of the thrust bearing part bearing pump rotor part of pump and residue axial force, thrust-bearing adopts grease lubrication, liquid-discharging tube 15 and the pump housing 12 outlet(discharge) flange Bolt Connection.
The pump housing of the present invention, impeller, pump cover and guide bearing etc. all are submerged in the medium of conveying.The power of motor 1 passes to transmission shaft 6 by elastic dowel pin shaft coupling 2, impeller 11 is compressed and is fixed on the transmission shaft 6 by impeller nut, by the key transmitting torque, transmission shaft 6 impeller 11 are rotated together, and 11 pairs of medium works done of impeller make liquid obtain energy, in the pump housing 12, realize transformation of energy, the medium that obtains energy (kinetic energy or pressure energy) is carried outward by the pump housing 12 and liquid-discharging tube, and medium enters in the pump from the import of pump continually, realizes the conveying of medium.
Chemical pump is no sealing configuration under the liquid of the present invention, always there is running clearance between rotor part and the supporting part, gapped just have a leakage problem, but because chemical pump is vertical being installed in groove jar or the pond under this liquid, the flow passage components of pump are submerged in the medium, even, be to get back in groove jar or the pond, can not have any impact to environment so a spot of leakage is arranged yet.Therefore to adopt no sealing configuration be feasible in the present invention.No sealing configuration, guide bearing are submerged in the medium, and guide bearing just can not use common rolling bearing, and adopt 4FT-1 filled polytetrafluoroethylene guide bearing, and this guide bearing is not only corrosion-resistant but also wear-resistant, is fit to be applied in the various chemical mediums.Use on-the-spot test in sulfuric acid plant, the operational shock earthquake intensity of pump is 3.6mm/s, and the vibration severity that NBS (JB/T8097-1999) allows is 5mm/s, and the present invention does not have that the chemical pump traveling comfort can be higher than the NBS requirement under the sealing fluid.
When fed sheet of a media is the normal temperature cleaning medium, can adopt self medium to lubricate and cool off guide bearing axle envelope (interior backwashing manner); If when containing solid particle in the medium temperature higher (above 60 ℃) of pump suction or the medium, require to adopt external cleaning normal temperature medium to lubricate and cool off guide bearing axle envelope (outer flushing mode), external flushing medium should not impact the medium of being carried.Guide bearing cleaning hose of the present invention can carry out inside and outside flushing as required and switch.
The present invention does not have chemical pump service condition: working pressure 1.6Mpa under the sealing fluid; The medium temperature scope is at-20 ℃ ~ 120 ℃; Specifeca tion speeification: flow 2～350 (m3/h), lift 5～80 (m), rotating speed 1450r/min and 2900r/min, power 1.1～90 (Kw).Can be widely used in industries such as petrochemical industry, Ferrous Metallurgy, power station, food, papermaking, pharmacy, discharge of wastewater and sewage treatment.Be applicable to the chemical medium of the organic or inorganic of carrying clear water, sewage and part acid, alkali, salt and some other weak corrosion.
Claims (3)
1. modified model chemical pump, comprise the pump housing, impeller, pump cover, support tube, liquid-discharging tube, cleaning hose, transmission shaft, bearing part, coupling, motor cabinet, the guide bearing parts, motor and installation base plate, it is characterized in that being equipped with on the transmission shaft (6) a plurality of guide bearing parts, described guide bearing parts are mainly by guide shaft bearing (16), guide bearing (17) and axle sleeve (18) are formed, guide shaft bearing (16) adopts bolt to be installed on the support tube (9), guide bearing (17) is housed in the guide shaft bearing (16), be with axle sleeve (18) in the guide bearing (17), axle sleeve (18) adopts key to connect transmission shaft (6), described guide shaft bearing (16) inside has flushing hole (19), flushing hole (19) collar extension end connects cleaning hose (15), and cleaning hose (15) the other end connects liquid-discharging tube (14).
2. a kind of modified model chemical pump as claimed in claim 1 is characterized in that having lubricated tank (20) on guide bearing (17) internal surface, and lubricated tank (20) is connected with flushing hole (19).
3. a kind of modified model chemical pump as claimed in claim 1 is characterized in that guide bearing is the filled polytetrafluoroethylene guide bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610029591 CN1888443A (en) | 2006-07-31 | 2006-07-31 | Improved chemical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610029591 CN1888443A (en) | 2006-07-31 | 2006-07-31 | Improved chemical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888443A true CN1888443A (en) | 2007-01-03 |
Family
ID=37577730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610029591 Pending CN1888443A (en) | 2006-07-31 | 2006-07-31 | Improved chemical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888443A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481887A (en) * | 2014-12-24 | 2015-04-01 | 江苏飞跃机泵集团有限公司 | Vertical type high-temperature long-axis molten salt pump |
| CN106050676A (en) * | 2016-06-22 | 2016-10-26 | 安徽天富泵阀有限公司 | Submerged chemical pump easy to maintain |
| CN114251275A (en) * | 2021-12-23 | 2022-03-29 | 安徽瑞耐特机械设备有限公司 | Non-sealing device for submerged pump |
-
2006
- 2006-07-31 CN CN 200610029591 patent/CN1888443A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481887A (en) * | 2014-12-24 | 2015-04-01 | 江苏飞跃机泵集团有限公司 | Vertical type high-temperature long-axis molten salt pump |
| CN106050676A (en) * | 2016-06-22 | 2016-10-26 | 安徽天富泵阀有限公司 | Submerged chemical pump easy to maintain |
| CN114251275A (en) * | 2021-12-23 | 2022-03-29 | 安徽瑞耐特机械设备有限公司 | Non-sealing device for submerged pump |
| CN114251275B (en) * | 2021-12-23 | 2024-02-13 | 安徽瑞耐特机械设备有限公司 | Submerged pump sealing-free device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20070103 |