CN206159048U - Centrifugation shurry pump - Google Patents
Centrifugation shurry pump Download PDFInfo
- Publication number
- CN206159048U CN206159048U CN201621171132.1U CN201621171132U CN206159048U CN 206159048 U CN206159048 U CN 206159048U CN 201621171132 U CN201621171132 U CN 201621171132U CN 206159048 U CN206159048 U CN 206159048U
- Authority
- CN
- China
- Prior art keywords
- seal
- pump
- cooling water
- sealing
- impeller
- 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.)
- Active
Links
Abstract
The utility model provides a centrifugation shurry pump, which comprises a pump body, egress opening on the pump body lateral wall, stretch into the main shaft of pump body inner chamber, with the bearing retainer of pump body end -to -end connection and install with the terminal sealed axle seal assembly of the pump body on the main shaft, the fluid sunction inlet is seted up in pump body front end, stretch into the spindle nose of pump body inner chamber and install the impeller, be provided with vane wheel back blade and/or auxiliary impeller on the impeller, axle seal assembly is including cup jointing in the power seal of the main epaxial sealant of being used for thick liquid, a seal assembly that is used for the mechanical seal of seal cooling water and links up power seal and mechanical seal constituting the sealed chamber of a cooling water, power seal is located the impeller rear side, mechanical seal is located the power seal rear side, last cooling water inlet and the coolant outlet of being provided with of seal assembly. To the improvement of the shaft seal of original technological single -stage ground paste centrifugal pump, prevent leaking the performance through improving the shaft seal that improves the shurry pump, improved wear -resistant centrifugal pump's sealed life, make customer's volume of reducing the maintenance, reduce cost of maintenance, improve sanitation, security performance that the pump machine used.
Description
Technical field
This utility model is related to wear-resisting centrifugal shurry pump, more particularly to the sealing of wear-resisting centrifugal shurry pump.
Background technology
At present, the conveying of all kinds of slips still often selects Centrifugal liquid pump defeated in the industry such as domestic chemical industry, smelting, environmental protection
Send, because the pump without other good seal performances, long service life is optional, and currently marketed centrifugation shurry pump is deposited for a long time really
In the sealing shortcoming that fragile, cooling water easily leaks, the life-span is not grown.
The conventional rotating shaft sealing of slip centrifugal pump mainly has two kinds of forms：A kind of is the machinery with rotating ring, stationary ring friction kettle
Sealing（Such as Fig. 1）, another kind is the dynamic seal being placed on axle sleeve（Such as Fig. 2）.
It is divided into single mechanical end face seal and double mechanical seal, single mechanical end face seal again for the mechanical seal on axle
For conveyer belt solid phase particles slip when, service life is not long.Because pump is in rotating operation, one be intolerant to slip granule,
The fine particle of the slip with pressure is easily accessible on the seal face between mechanical seal dynamic and static ring in pump chamber, damages machine envelope
Dynamic and static ring, slip has vibrations, cavitation erosion etc. into the risk factor of dynamic and static ring end face；
Double mechanical seal two groups of mechanical seals using before and after, two groups of mechanical seals constitute cooling water- tight cavity, and set
Cooling water outlet and inlet is equipped with, rear group of mechanical seal is had an advantage in that because not contacting slip, fine particle is not had and is entered sound
Seal face between ring, can fabulous band pressure cooling water, its shortcoming is：First, front group of mechanical seal is close
The life-span is not long during envelope slip（Compared with single-end surface machine sealing）, slip can be into the work surface of dynamic and static ring damage machine envelope；2nd, rear end is close
The mechanical seal of seal cooling water is unable to dehydrating operation, once de- liquid is damaged at once, therefore 50% end seal is used for material conveying
The sealing of slurry produces condensate water cutoff and damage machine is sealed.
Dynamic seal typically adopts when in use two groups of K-type dynamic seals in slip centrifugal pump, and close in two groups of K-type power
Cooling water circulating device is set between envelope, and its shortcoming is：Organizing K-type dynamic seal afterwards can not seal cooling water, and service life is not
Long, cooling water can leak.Reason：Can seal slurry be provided with before front group of K-type dynamic seal accessory impeller or and back blade,
Rubber lip circle for K-type dynamic seal reduces pressure so that without pressure on the rubber lip circle lip of sealing slurry, therefore front end is close
The rubber ring of envelope slip will not wear and tear, life-span length, and seal the rubber ring of cooling water because cooling water is arranged without decompression, cooling water etc.
Be pressed on tap water, hydraulic pressure more than 0.1MPa, therefore, cause the rubber ring lip pressure-bearing for sealing water, and then make lip be closely attached to axle
Put, in the presence of rotating shaft, produce friction, abrasion, and then produce leak and damage.Therefore the lip packing with cooling water is caused
It is easy to cause cooling leaked water, there is saying for the leakage of ten pump nine in the industry, this leakage, the leakage of the cooling water for just referring in fact.
In sum, merely using mechanical seal and dynamic seal cannot solve simultaneously slip leakage, cooling water leakage,
Cut off the water the problem of idle running, the centrifugal pump of slip is conveyed in the industry, still can select without preferable sealing so far, still select less than sealing
Preferable, conveying slip the centrifugal pump shaft sealing for being resistant to slip granule, long service life, cooling water and not leaking.
The content of the invention
This utility model be directed to the deficiencies in the prior art, there is provided it is a kind of be provided simultaneously with can conveyer belt granule slurry, prevent
The Centrifugal liquid pump that cooling water leakage and energy free-runing operation are not damaged.
To realize this utility model purpose, there is provided technical scheme below：One kind centrifugation shurry pump, including the pump housing, the pump housing
Flow export on the wall of side, the support of bearing of the main shaft for stretching into pump housing inner chamber and body end connection and be installed on main shaft will
The shaft seal assembly of body end sealing, fluid intake is opened in pump housing front end, and the spindle nose for stretching into pump housing inner chamber is installed
There is impeller, impeller back blades and/or accessory impeller are provided with impeller, it is characterised in that shaft seal assembly includes being socketed on main shaft
The dynamic seal for sealing slurry, the mechanical seal for sealing cooling water and dynamic seal and mechanical seal are connected
The black box of a cooling water- tight cavity is constituted, dynamic seal is located at impeller rear side, and mechanical seal is located at dynamic seal rear side,
Cooling water inlet and coolant outlet are provided with black box.
Reduced pressure by impeller back blades and/or accessory impeller, made on the rubber lip circle lip of dynamic seal without pressure,
Prevent lip from wearing and tearing, make slurry cannot be introduced into cooling down in water- tight cavity, so that the mechanical seal at rear portion will not be because of vibrations, gas
The factors such as erosion cause abrasion in the seal face of dynamic and static ring into pulp particle, at the same the mechanical seal at rear portion to overcome power close
Envelope causes the problem of lip pressure-bearing and cooling water leakage, from impeller back blades and/or pair because water pressure of cooling water is more than 0.1MPa
Impeller, dynamic seal, the whole setting of the installation arrangement of mechanical seal, while solve slip in prior art and revealing and cooling down
The two large problems that water is revealed, the arrangement of whole technical characteristic is incremental, departs from any one or order changes
Cannot realize preventing the purpose that slip is revealed and cooling water is revealed.
Preferably, dynamic seal is lip rubber seal circle, quantity is set to 1 or multiple, rubber lip arranged side by side
Sealing ring connects sealing with black box.
Preferably, lip rubber seal circle is set to arranged side by side 2, lip rubber seal circle lip is in the same direction and towards defeated
The direction of liquor charging body or adjacent lip rubber seal circle lip are in rightabout.
Preferably, lip rubber seal circle is built-in with steel skeleton.
Preferably, mechanical seal includes rotating ring, stationary ring, stationary ring coordinates compression sealing, stationary ring and black box with rotating ring
Connect sealing.
Preferably, rotating ring periphery is provided with radiating part, be provided with radiating part can give birth to the wing of wind radiating, hole, the one of groove
Plant or combine.Preferably, rotating ring and/or radiating part are high heat conductive material.As further preferred, high thermal conductivity coefficient material
Expect for graphite, copper, aluminum or metal alloy.Arranging radiating part in rotating ring periphery can be effectively by the temperature conduction of dynamic and static ring to radiating part
On, allow the wind of flowing that heat is taken away, make dynamic and static ring in dry operating, in safety range of the temperature control below 80 DEG C, from
And it is possessed in the case of the empty wagons that cooling water is disabled, machine's sealing is effectively prevented, and exactly have anterior power
The structure of sealing rear portion mechanical seal, the lip rubber seal circle of dynamic seal effectively prevents slip and acidic materials from entering rear portion
Mechanical seal, make that mechanical seal need not reselection anti-wear performance be high but the low material of heat conductivity, and then heat conduction system may be selected
The encapsulant for having counted（Such as copper, graphite etc.）, and although the material hardness such as conventional ceramics, hard alloy is very high, wearability,
Anti-corrosive properties are fine, but heat conductivity is very poor, the cooling effect extreme difference of air-cooled generation.
Preferably, cooling water intake is less than cooling water outlet.In order to save the consumption of external cooling water, meeting
On the premise of combination sealing refrigerating function, the consumption of cooling water is reduced, more effective method is the through hole to cooling water inlet
Size adjustment is controlled, and the through hole of cooling water inlet can be controlled within 2～6mm, true with specific reference to the pressure of external cooling water
It is fixed.
This utility model beneficial effect：Combination sealing centrifugation shurry pump of the present utility model is due to the work(for having resistance to slip abrasion
Can, there is the function of anti-cooling water leakage again, the leak-proof energy of the centrifugal pump of conveying slip is significantly improved, and then improve
The cleanliness factor of slip applied environment, reduces using enterprise to leakage liquid, the after-treatment amount of slurry, saves cost, clean
Net environment.Particle-resistant advantage function and mechanical seal of the combination sealing centrifugation shurry pump of the present utility model due to lip packing
Anti- cooling water advantage function combination, significantly improve the operational reliability of combination sealing, conveying solid content 30% material
Under the operating mode of slurry, service life was promoted to 6～8 months by original about 2 months, and sealing life significantly extends, therefore was extended
The maintenance cycle of user, reduces the maintenance load of pump machine, improves the level of normal production, also saves maintenance simultaneously
Cost of labor and accessory cost.Because the function of centrifugation shurry pump combination sealing of the present utility model has the work(of anti-abrasion of particles
Can, while also have anti-corrosion function, therefore on the pump that can not only be applied to convey non-aggressive slip, while can also apply
On the pump for conveying all kinds of corrosivity slips or clear liquid class medium.Expand the range of application of shurry pump.
Description of the drawings
Fig. 1 is the sealing schematic diagram of prior art one.
Fig. 2 is the sealing schematic diagram of prior art two.
Fig. 3 is the schematic diagram that this utility model is centrifuged shurry pump embodiment 1.
Fig. 4 is the A partial enlarged drawings of Fig. 3.
Fig. 5 is second structural representation of the A partial enlarged drawings of Fig. 3.
Fig. 6 is the third structural representation of the A partial enlarged drawings of Fig. 3.
Fig. 7 is the 4th kind of structural representation of the A partial enlarged drawings of Fig. 3.
Fig. 8 is the structural representation of this utility model embodiment 2.
Fig. 9 is the A partial enlarged drawings of Fig. 8.
Figure 10 is the structural representation of embodiment 3.
Figure 11 is the A partial enlarged drawings of Figure 10.
Figure 12 is second structural representation of A partial enlargements of Figure 10.
Specific embodiment
Embodiment 1：One kind centrifugation shurry pump, including the pump housing 15, the side wall of the pump housing 15 on flow export 18, stretch in the pump housing 15
The support of bearing 14 and be installed on main shaft 1 axle of the end seal of the pump housing 15 is close that the main shaft 1 in chamber and the end of the pump housing 15 connect
Sealing assembly, fluid intake 19 is opened in the front end of the pump housing 15, and the spindle nose for stretching into the inner chamber of the pump housing 15 is provided with impeller 16, impeller
It is provided with impeller back blades 10 on 16, the dynamic seal 4 for sealing slurry that shaft seal assembly includes being socketed on main shaft 1,
Water- tight cavity 7 is cooled down for sealing the mechanical seal 5 of cooling water and dynamic seal 4 and mechanical seal 5 being connected into composition one
Black box, dynamic seal 4 is located at the rear side of impeller 16, and mechanical seal 5 is located at the rear side of dynamic seal 4, arranges on black box
There are cooling water inlet 3.1 and coolant outlet 3.2.Axle sleeve 2 is provided with main shaft 1, black box is set to seal box 3, power
Sealing 4 is made up of two lip rubber seal circles 4.1, and lip rubber seal circle 4.1 is arranged in seal box, and mechanical seal 5 is
External mechanical seal, rotating ring 5.1 is arranged at the outside of stationary ring 5.2, the cooling water inlet 3.1 and coolant outlet 3.2 of seal box 3
It is arranged between dynamic seal 4 and external mechanical seal, cold water outlet is imported and exported（3.1、3.2）Inner side is provided with water seal apical ring 6,
Water seal apical ring 6 is placed on main shaft sleeve 2, and by being spaced apart for dynamic seal 4 and external mechanical seal, water seal apical ring 6 is offered
With cooling water outlet and inlet（3.1、3.2）Corresponding through hole, makes cooling water enter in cooling-water duct 7 and dynamic seal 4 and exterior
Formula mechanical seal contact cooling, the end of seal box 3 is provided with seal box gland 8, stationary ring 5.2 and water seal apical ring 6 and seal box
Sealing gasket 9 is provided with the contact surface of gland 8.
Second structural representation of embodiment 1：Water seal apical ring 6 is designed to stationary ring holder structure, and stationary ring 5.2 is installed on stationary ring
In seat, O-ring seal 11 is provided with stationary ring 5.2 and the contact surface of stationary seat, is arranged on stationary seat and the contact surface of seal box 3
There is O-ring seal 11, two lips of lip rubber seal circle 4.1 are arranged in rightabout, can prevent cooling water from blowing back into pump chamber
In material in.
The third structural representation of embodiment 1：The end of seal box 3 is not provided with seal box gland 8, stationary ring 5.2 and water seal
O-ring seal 11 is provided with the contact surface of apical ring 6 and seal box gland 8.
4th kind of structural representation of embodiment 1：The periphery of rotating ring 5.1 is provided with radiating part 12, is provided with radiating part 12
Wing, hole, one kind of groove or combination that the raw wind of energy radiates.
Embodiment 2：Mechanical seal 5 is internally mounted mechanical seal, and rotating ring 5.1 is arranged at the inner side of stationary ring 5.2, seal box end
Seal box gland is provided with, dynamic seal is arranged in seal box, outermost stationary ring 5.2 contacts face seal with seal box gland
Connection, offers cooling water outlet and inlet on seal box gland, the front end on main shaft 1 positioned at dynamic seal 4 is provided with impeller accessory lobes
Piece 10 and accessory impeller 12.
Embodiment 3：：One kind centrifugation shurry pump, including the pump housing 15, the side wall of the pump housing 15 on flow export 18, stretch into the pump housing 15
The support of bearing 14 and be installed on the axle of the end seal of the pump housing 15 on main shaft 1 that the main shaft 1 of inner chamber and the end of the pump housing 15 connect
Black box, fluid intake 19 is opened in the front end of the pump housing 15, and the spindle nose for stretching into the inner chamber of the pump housing 15 is provided with impeller 16, leaf
Impeller back blades 10 is provided with wheel 16, shaft seal assembly includes the dynamic seal for sealing slurry being socketed on main shaft 1
4th, water- tight cavity is cooled down for sealing the mechanical seal 5 of cooling water and dynamic seal 4 and mechanical seal 5 being connected into composition one
7 black box, black box is stationary seat 13, and stationary seat 13 offers cooling water inlet 3.1 and coolant outlet 3.2, is moved
Power sealing 4 is made up of two lip rubber seal circles 4.1, and mechanical seal 5 is external mechanical seal, and rotating ring 5.1 is arranged at quiet
The outside of ring 5.2, it is close with external mechanical that the cooling water inlet 3.1 and coolant outlet 3.2 of stationary seat 13 are arranged at dynamic seal 4
Between envelope, stationary seat 13 is spaced apart dynamic seal 4 and external mechanical seal, cooling water enter in cooling-water duct 7 with
Dynamic seal 4 and external mechanical seal contact cooling, on stationary ring 5.2 and the contact surface of stationary seat O-ring seal 11 is provided with,
Front end on main shaft 1 positioned at lip rubber seal circle 4.1 is provided with impeller back blades 10.
Second structural representation of embodiment 3：Stream on one kind centrifugation shurry pump, including the pump housing 15, the side wall of the pump housing 15
The support of bearing 14 and be installed on general on main shaft 1 that outlet 18, the main shaft 1 for stretching into the inner chamber of the pump housing 15 and the end of the pump housing 15 connect
The shaft seal assembly of the end seal of the pump housing 15, fluid intake 19 is opened in the front end of the pump housing 15, stretches into the main shaft of the inner chamber of the pump housing 15
End is provided with impeller 16, and impeller back blades 10 is provided with impeller 16, and shaft seal assembly includes being socketed on being used on main shaft 1
The dynamic seal 4 of sealing slurry, the mechanical seal 5 for sealing cooling water and dynamic seal 4 and mechanical seal 5 are connected into structure
Into the black box of a cooling water- tight cavity 7, black box is seal box, and dynamic seal 4 is by two lip rubber seal circles
4.1 are constituted, and mechanical seal 5 is external mechanical seal, and rotating ring 5.1 is arranged at the outside of stationary ring 5.2, and the cooling water of seal box 3 enters
Mouthfuls 3.1 and coolant outlet 3.2 be arranged between dynamic seal 4 and external mechanical seal, seal box 3 by dynamic seal 4 with
External mechanical seal is to be spaced apart, and cooling water is entered and contacted with dynamic seal 4 and external mechanical seal in cooling-water duct 7
Cooling, on stationary ring 5.2 and the contact surface of seal box 3 O-ring seal 11 is provided with, and lip rubber seal circle 4.1 is located on main shaft 1
Front end be provided with impeller back blades 10, the lip rubber seal circle 4.1 of dynamic seal is arranged in pump chamber and connects with pump housing sealing
Connect.
In above-described embodiment 1 ~ 3, cooling water intake 3.1 is less than cooling water outlet 3.2；Lip rubber seal circle 4.1
It is interior to be equipped with steel skeleton；The form of lip rubber seal circle 4.1 can be single lip, or double-lip, in this practicality
It is not construed as limiting in new.The installation equivalent of lip rubber seal circle 4.1 can be one or many, preferably two.
The component of above-mentioned seal box, stationary seat or seal box and stationary seat is properly termed as same technical characteristic in fact, its
Effect be make dynamic seal, mechanical seal and its constitute cooling water- tight cavity, the equivalent of the technical characteristic of any similar effect
Substitute in the protection domain of the application.
The material of lip rubber seal circle 4.1 is selected depending on the chemical property of the slip that can be conveyed according to centrifugal pump, optional
With kinds such as fluorubber, neoprene, ethylene-propylene diene copolymers, it is also possible to the lip-type packing that other engineering plastics make, such as poly- four
Fluorothene, perfluoroethylene-propylene etc., are not construed as limiting in this utility model.
Axle sleeve of the present utility model adopts segmentation structure, dynamic seal 4 and mechanical seal 5 to may be contained within not coaxial sleeve 2
On.
In this utility model above-described embodiment, rotating ring 5.1 is provided with goring push spring 5.3, it is therefore intended that adjust and compensate rotating ring
Thrust between 5.1 and stationary ring 5.2.
In order that pump machine sealed reliable, life-span when high density slurry is conveyed are longer, this utility model can enable interior flushing
Function, the specific implementation method into interior rinse mode is：First the lip of lip rubber seal circle towards conveying liquid side
To installation, and then cooling water outlet valve is closed, then cooling water pressure is adjusted to more than 0.2MPa, when cooling water-stop
When the cooling water pressure of intracavity is higher than the slurry pressure in sealing position pump chamber, cooling water just can forward pass through lip-type packing
Lip and axle sleeve between gap enter pump chamber in, reach it is interior flushing sealing position underflow purpose, pump machine is in interior flushing mould
Run under formula, the lip of rubber lip circle receives the abrasion of mortar less in after flushing water, service life can be longer.
The technical solution of the utility model is compared with original sealing, is seemed and is innovated without what substance, only handle
Two kinds of different types, sealings of different structure are combined and installed together, and constitute one group of new combination sealing, but to producing after combination
Raw actual effect sees, the function of not exclusively original lip rubber seal and the function of the mechanical seal with dynamic and static ring it is simple
Superposition, but the respective advantage function of sealing of two kinds of different structures, difference in functionality is combined, make the sealing of Combination nova
There is the strong point for adapting to sealing slurry conveying, while and having an advantage of cooling water sealing reliability.The anti-of lip rubber seal circle
The advantage of granule advantage and mechanical seal cooling water performance, two kinds of advantageous combinations together, reach the effect of mutual supplement with each other's advantages, also real
Effect of the one-plus-one more than two is showed.This utility model is no doubt simple, but the actual effect produced by utility model is significantly
Degree improves the release-resistance energy of slip centrifugal pump shaft sealing, improves the security reliability of pump shaft seal, extends sealing
Service life.
The also commercially available double mechanical seal combined by twice mechanical seal before this utility model is disclosed,
Although being both double sealing, front road sealing and rear seal structures, function phase are same, can not still meet wanting for sealing slurry liquid
Ask.Therefore this utility model technology seems similar with original technology, but its effect and actual effect are entirely different.
Claims (9)
1. flow export on a kind of centrifugation shurry pump, including the pump housing, pump body sidewall, the main shaft for stretching into pump housing inner chamber and pump housing end
The support of bearing and be installed on main shaft the shaft seal assembly for sealing body end that end connects, fluid intake is opened in pump
Body front end, the spindle nose for stretching into pump housing inner chamber is provided with impeller, and impeller back blades and/or accessory impeller are provided with impeller, its
It is characterised by that shaft seal assembly includes the dynamic seal for sealing slurry, the machine for sealing cooling water being socketed on main shaft
Tool seals and dynamic seal and mechanical seal linking is constituted into the black box of a cooling water- tight cavity, and dynamic seal is located at
Impeller rear side, mechanical seal is located at dynamic seal rear side, and cooling water inlet and coolant outlet are provided with black box.
2. one kind according to claim 1 is centrifuged shurry pump, it is characterised in that dynamic seal is lip rubber seal circle, is counted
Amount is set to 1 or arranged side by side multiple, and lip rubber seal circle connects sealing with black box.
3. one kind according to claim 2 is centrifuged shurry pump, it is characterised in that lip rubber seal circle is set to arranged side by side 2
Individual, lip rubber seal circle lip is in the same direction and towards the direction or adjacent lip rubber seal circle lip for conveying liquid in contrary
Direction.
4. the one kind according to Claims 2 or 3 is centrifuged shurry pump, it is characterised in that lip rubber seal circle is built-in with reinforcing bar
Frame.
5. one kind according to claim 1 is centrifuged shurry pump, it is characterised in that mechanical seal includes rotating ring, stationary ring, stationary ring
Coordinate with rotating ring and compress sealing, stationary ring connects sealing with black box.
6. one kind according to claim 5 is centrifuged shurry pump, it is characterised in that rotating ring periphery is provided with radiating part, radiating part
On be provided with wing, hole, one kind of groove or the combination that can give birth to wind radiating.
7. one kind according to claim 1 is centrifuged shurry pump, it is characterised in that cooling water intake is less than cooling water water outlet
Mouthful.
8. one kind according to claim 6 is centrifuged shurry pump, it is characterised in that rotating ring and/or radiating part are high thermal conductivity coefficient
Material.
9. one kind according to claim 8 is centrifuged shurry pump, it is characterised in that high heat conductive material is graphite, copper, aluminum
Or metal alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621171132.1U CN206159048U (en) | 2016-10-24 | 2016-10-24 | Centrifugation shurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621171132.1U CN206159048U (en) | 2016-10-24 | 2016-10-24 | Centrifugation shurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159048U true CN206159048U (en) | 2017-05-10 |
Family
ID=58656215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621171132.1U Active CN206159048U (en) | 2016-10-24 | 2016-10-24 | Centrifugation shurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640669A (en) * | 2016-10-24 | 2017-05-10 | 宜兴市宙斯泵业有限公司 | Centrifugal slurry pump |
-
2016
- 2016-10-24 CN CN201621171132.1U patent/CN206159048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640669A (en) * | 2016-10-24 | 2017-05-10 | 宜兴市宙斯泵业有限公司 | Centrifugal slurry pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106402014A (en) | Side-suction anti-abrasion centrifugal pump | |
| CN206753916U (en) | A kind of Centrifugal liquid pump | |
| WO2009033395A1 (en) | An erosion reduction technique and its device for centrifugal dregs plasma pump by flushing the adjusting gap region with liquid | |
| CN206159048U (en) | Centrifugation shurry pump | |
| CN101191492B (en) | High temperature high impurity ratio centrifugal coal slurry pump | |
| CN203940028U (en) | Bidirectional flow hard sealing ball valve | |
| CN208138150U (en) | A kind of anti-corrosion centrifugal pump packaging type single mechanical end face seal | |
| CN206159104U (en) | Before inhale formula centrifugation ground paste pump shaft -seal structure | |
| CN105864107B (en) | The cooling system and heating furnace water beam column cooling body of the sealing of hot water circulating pump | |
| CN101608723A (en) | A kind of non-maintaining sleeve compensator with double sealing structure | |
| CN104948469A (en) | Wear resistant corrosion resisting centrifugal pump | |
| CN204921382U (en) | Wear -resisting corrosion resisting centrifugal pump | |
| CN106640669A (en) | Centrifugal slurry pump | |
| CN206159103U (en) | Abrasionproof centrifugal pump is inhaled to side | |
| CN207660834U (en) | A kind of durable single-stage non-leakage syrup pump | |
| CN212297609U (en) | Multi-sealing combined valve | |
| CN206257281U (en) | A kind of main shaft of vertical water turbine sealing device | |
| CN206159102U (en) | Abrasionproof centrifugation pump shaft -seal structure is inhaled to side | |
| CN207363938U (en) | A kind of unpowered sealing device of pump for liquid salts | |
| CN208734590U (en) | A kind of self cooling sealing assembly of centrifugation shurry pump | |
| CN204003589U (en) | A kind of anti-corrosion centrifugal pump shaft mechanical seal | |
| CN106979161B (en) | Special pump for collecting brine for deep well | |
| CN201318312Y (en) | Water-filling submersible electric pump | |
| CN111677895A (en) | Multi-bypass pressure relief type gate valve of high-pressure forge welding structure for nuclear power | |
| CN212273346U (en) | End face sealing structure for rotary compensator and rotary compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |