CN209539621U - It is a kind of for feeding the pump of methanol - Google Patents
It is a kind of for feeding the pump of methanol Download PDFInfo
- Publication number
- CN209539621U CN209539621U CN201821272017.2U CN201821272017U CN209539621U CN 209539621 U CN209539621 U CN 209539621U CN 201821272017 U CN201821272017 U CN 201821272017U CN 209539621 U CN209539621 U CN 209539621U
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- China
- Prior art keywords
- pump
- methanol
- gland
- bearing bracket
- 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.)
- Expired - Fee Related
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Abstract
It is a kind of for feeding the pump of methanol, including bearing bracket, bearing bracket is connected with pump bracket, gland before bearing bracket one end connects, pump case is contacted with preceding gland, main shaft is provided in bearing bracket, main shaft one end passes through preceding gland and is located in pump case, and the main shaft other end connects box coupling, the centre of pump case and bearing bracket is provided with power unit, Bearning mechanism and seal assembly, the claw coupling convenient disassembly of use, is easy to overhaul, and pump shaft rotation is made to keep stablizing；Axle sleeve and impeller and impeller and impeller back of the body cap component touch interface complexity improve, to effectively methanol liquid be prevented to penetrate into, preferably main shaft can be protected not to be corroded, can reduce the requirement of pump shaft material, to reduce production cost；Spiral case is additionally arranged at the bottom a drain line, after the completion of pumping use, can timely exclude methanol liquid remaining in spiral case and deposited particles, avoids being stored for a long time to pump housing generation corrosion and blocking, to improve the service life of pump.
Description
Technical field
The utility model belongs to industrial chemicals conveying machinery equipment technical field, and in particular to a kind of for feeding methanol
Pump.
Background technique
Methanol is mainly used for fine chemistry industry, plastics etc. as a kind of very important Organic Chemicals and high-grade fuel
Field may be utilized in fabricating a variety of organic products such as formaldehyde, acetic acid, chloromethanes, first ammonia, dimethyl sulfate and pesticide and medicine
One of important source material.Methanol can be used as a kind of Novel clean-fuel after deep processing, and gasoline is also added and is used in mixed way.Methanol is
A kind of colourless, transparent, inflammable, volatile toxic liquid.
In the various pumps of conveying methanol, centrifugation pump duty is big, and compact-sized, uniform flow is easy to adjust, using model
It encloses wide.It can be manufactured with high-quality resistant material, being suitable for conveying has corrosive liquid charging stock.Methanol has toxicity and strong corruption
Corrosion, common material can be dissolved by methanol, therefore the sealing ring pumped, impeller, pump cover, the pump housing need to use the good material of corrosion resistance
Material, and need to have good leakproofness.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of for feeding methanol
Pump, a kind of sealing performance improving methanol pump, and the pump of residual liquid in spiral case can conveniently be discharged.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of for feeding the pump of methanol, including bearing bracket, bearing bracket is connected with pump bracket, and bearing bracket one end connects
Preceding gland is connect, pump case is contacted with preceding gland, and main shaft is provided in bearing bracket, and main shaft one end passes through preceding gland and is located in pump case,
The centre of main shaft other end connection box coupling, pump case and bearing bracket is provided with power unit, Bearning mechanism and sealing group
Part；
The power unit includes the impeller connecting with main shaft one end, and the main shaft of connection impeller one end is located in pump case,
Impeller passes through the back of the body cap component matched and is fixed on main shaft, and has "○" type sealing ring between spiral case platen and sealing cover, and lead to
It crosses studs to be connected and fixed, further includes the pipe fitting and gasket being arranged on sealing cover, the weld assembly other end is oil filter；
The Bearning mechanism includes the sealing ring covered on main shaft, is located in the gland of bearing bracket front and back, at preceding gland
Equipped with dustproof cover, preceding gland, rear pressing cover are equipped with "○" type sealing ring between bearing bracket；It is single circle close to impeller one end
Taper roller bearing is equipped with retaining ring between inside and bearing bracket, the other end is two deep groove ball bearings, has close to bearing housing side
Retaining ring and adjustment ring, the other side are equipped with thrust washer and back of the body cap component, prevent from sliding axially；Adjustment ring is used to adjust the axis of bearing
To position；Retaining ring, thrust washer and bearing back of the body cap are used to limit the axial movement of bearing, and gland seals bearing bracket both ends,
Dustproof cover can prevent dust from entering Bearing inner, influence bearing operation；
The seal assembly includes axle sleeve and gasket outside main shaft, and gasket is located at impeller and rack sleeve contacts boundary
Face；The oil filter pipeline for further including mechanical seal and being drawn from mechanical seal place；
The pump case is respectively arranged with suction chamber and delivery chamber, and the axis of suction chamber and delivery chamber is vertical, suction chamber with
Main shaft is located at same axis, and suction chamber and extrudes chamber interior walls and be provided with screw thread, and spiral case bottom end is provided with drain line, can be with
Discharge raffinate in time；
The box coupling includes the pump shaft shaft coupling being connected with main shaft, and pump shaft shaft coupling is connected by pin to be coupled
One end face of sleeve, is provided with elastic ring between pin and pump shaft shaft coupling, sleeve other end has been connected by screw to claw type connection
Joint, the shifting sleeve other end are connected with motor coupling；Shaft coupling is connected by key with motor shaft by motor coupling, pawl
Type shaft coupling is connected by screw with coupling sleeve, and motor coupling is connected by screw with coupling sleeve, and rubber block is filled up
The gap of shifting sleeve；
The bearing bracket internal reservoir lubricating oil, bearing bracket upper wall is provided with aperture installation air relief cock, in air relief cock
Between have pore connection it is extraneous with it is internal, play the role of equilibrium air pressure；Bearing bracket antetheca is equipped with plug, and rear wall connection is constant
Pasta device can observe the height of bearing bracket internal lubrication oil by constant pasta device；
Adapter is connected between the spiral case and bearing bracket, sealing cover is fixed by studs and adapter, is risen
Sealing function, while two plugs can prevent methanol inside spiral case from passing through slot leakage;
Mechanical seal is used around the pump shaft, zero type sealing ring of installation is used to self-tightening sealing, axis on the outside of mechanical seal
Set is designed to right angle interface with impeller joint, increases gap lengths, and zero type sealing ring prevents methanol from leaking for sealing, fixed
The relative position for fixing spiral case gland and adapter is sold in position, and spiral case gland has the function of sealing and connection；
The impeller is connected by impeller key and pump shaft；Impeller is locked on pump shaft by impeller back of the body cap component, impeller
Front and back is in contact interface into right angle with back of the body cap component and axle sleeve respectively, rather than general plane contact, increases gap lengths,
Oil filter is connected to pipeline towards mechanical seal, and internal oil liquid can fill gap, prevent gas leakage or leakage；
The pipe fitting connects tapping pipeline, for releasing extra methanol, wherein cap nut and pipe fitting phase
Connection, pipe sleeve guarantee the leakproofness of junction, prevent methanol from leaking, and steel pipe is the channel of methanol outflow, between flange and gland
By nut be bolted, centre have gasket guarantee leakproofness, prevent liquid leakage, flange has been connect with by steel pipe with gland
A kind of dismountable connector is formed to make it combine closely, gland is unloaded into releasing liquid when tapping, uses spiral shell after the completion of tapping again
Bolt fastening gland can be used continuously.
The sealing cover and axle sleeve uses material 1Cr18Ni9Ti stainless steel.
The bearing bracket, gland, preceding gland and pump bracket use HT25-47.
The dustproof cover uses material ZG1Cr18Ni9Ti.
The gasket uses material for polytetrafluoroethylene (PTFE), and friction is small and being capable of methanol tolerant corrosion.
The studs uses material for Cr18Ni12Mo2Ti, has good corrosion resistance.
Label is fixed with by rivet on the adapter.
The material that each major part of the box coupling uses is ZG45.
The beneficial effects of the utility model are:
The utility model methanol feed pump is contacted with methanol or each components of mediate contact are all made of good anti-corruption
Corrosion material, and it is at low cost, improve working efficiency；The claw coupling convenient disassembly of use, is easy to overhaul, and rotate pump shaft
It keeps stablizing；Axle sleeve and impeller and impeller and impeller back of the body cap component touch interface complexity improve, to effectively prevent methanol
Liquid penetrates into, and preferably main shaft can be protected not to be corroded, can reduce the requirement of pump shaft material, to reduce production cost；
Spiral case is additionally arranged at the bottom a drain line, after the completion of pumping use, can timely by methanol liquid remaining in spiral case and sink
Product particulate removal avoids being stored for a long time to pump housing generation corrosion and blocking, to improve the service life of pump.
Detailed description of the invention
Fig. 1 is that the utility model is a kind of for feeding the pump configuration schematic diagram of methanol；
Fig. 2 is that the utility model is a kind of for feeding the pump coupler structure schematic diagram of methanol；
Fig. 3 is that figure is cutd open in a kind of pump bearing bracket side for feeding methanol of the utility model；
Fig. 4 is that the utility model is a kind of for feeding the impeller of pump schematic diagram of methanol；
Fig. 5 is that the utility model is a kind of for feeding the pump drain line schematic diagram of methanol；
Fig. 6 is that the utility model is a kind of for feeding the pump adapter schematic diagram of methanol.
Wherein, 1 pump shaft shaft coupling, 2 screws, 3 connection sleeves, 4 shifting sleeves, 5 motor couplings, 6 rubber blocks, 7
Axis device, 8 keys, 9 rear pressing covers, 10 bearing back of the body cap, 11 gasket A, 12 deep groove ball bearings, 13 air relief cocks, 14 bearing brackets, 15 gears
It encloses, 16 tapered roller bearings, 17 screws, gland before 18,19 dustproof covers, 20 sealing rings, 21 brackets, 22 studs, 23 sealing covers, 24
Studs, 25 0 type sealing ring A, 26 mechanical seals, 27 plug A, 28 adapters, 29 0 type sealing ring B, 30 positioning pins, 31
Spiral case gland, 32 axle sleeves, 33 spiral cases, 34 impellers, 35 back of the body cap components, 36 keys, 37 gasket B, 38 pipe fittings, 39 drain lines,
40 cap nuts, 41 pipe sleeves, 42 steel pipes, 43 nuts, 44 flanges, 45 gaskets, 46 glands, 47 bolts, 48 suction chambers, 49 extrude
Room, 50 constant pasta devices, 51 plugs, 52 pins, 53 labels, 54 rivets, 55 thrust washers, 56 adjustment rings, 57 gasket D, 58 is close
Packing C, 59 oil filters.
Specific embodiment
The utility model is further discussed below below in conjunction with attached drawing.
As shown in Figures 1 to 6, a kind of for feeding the pump of methanol, including bearing bracket 14, bearing bracket 14 is connected with pump branch
Frame 21, gland 18 before 14 one end of bearing bracket connects, pump case are contacted with preceding gland 18, and main shaft is provided in bearing bracket 14, main
Axis one end passes through preceding gland 18 and is located in pump case, and the main shaft other end connects box coupling, the centre of pump case and bearing bracket 14
It is provided with power unit, Bearning mechanism and seal assembly；
The power unit includes the impeller 34 connecting with main shaft one end, and the main shaft of connection 34 one end of impeller is located at pump case
In, impeller 34 passes through the back of the body cap component 35 matched and is fixed on main shaft, and has between 33 platen of spiral case and sealing cover 23 " zero " type
Sealing ring A25, and be connected and fixed by studs 24, it further include the pipe fitting 38 and gasket being arranged on sealing cover 23, weldering
The connected components other end is oil filter 59；
The Bearning mechanism includes the sealing ring 20 covered on main shaft, is located in 14 front and back gland 9 of bearing bracket, preceding pressure
Dustproof cover 19 is equipped at lid 18, preceding gland 18, rear pressing cover 9 are equipped between bearing bracket 14 " zero " type sealing ring A25；It is close
34 one end of impeller is single tapered roller bearing 16, and retaining ring 15 is equipped between inside and bearing bracket 14, and the other end is two depths
Ditch ball bearing 12 has retaining ring (15) and adjustment ring 56 close to bearing housing side, and the other side is equipped with thrust washer 55 and back of the body cap component,
It prevents from sliding axially；Adjustment ring 56 is used to adjust the axial position of bearing；Retaining ring 15, thrust washer 55 and bearing back of the body cap 10 are used to
The axial movement of bearing is limited, gland 46 seals bearing bracket both ends, and dustproof cover 19 can prevent dust from entering Bearing inner,
Influence bearing operation；
The seal assembly includes axle sleeve 32 and gasket A11 outside main shaft, and gasket A11 is located at impeller 34 and main shaft
Barrel contacts interface；The oil filter pipeline for further including mechanical seal 26 and being drawn from mechanical seal 26；
The pump case is respectively arranged with suction chamber 48 and delivery chamber 49, and suction chamber 48 is vertical with the axis of delivery chamber 49,
Suction chamber 48 and main shaft are located at same axis, and suction chamber 48 and 49 inner wall of delivery chamber are provided with screw thread, and 33 bottom end of spiral case is set
It is equipped with drain line 39, raffinate can be discharged in time；
The box coupling includes the pump shaft shaft coupling 1 being connected with main shaft, and pump shaft shaft coupling 1 is connected by pin to be joined
3 one end face of female connector cylinder, is provided with elastic ring between pin and pump shaft shaft coupling, 3 other end of sleeve is connected with pawl by screw 2
Type shaft coupling 4,4 other end of shifting sleeve are connected with motor coupling 5；Shaft coupling 7 passes through key 8 and electricity by motor coupling 5
Arbor is connected, and shifting sleeve 4 is connected by screw 2 with coupling sleeve 3, and motor coupling 5 passes through screw 2 and coupling sleeve 3
It is connected, rubber block 6 fills up the gap in shifting sleeve 4；
The 14 internal reservoir lubricating oil of bearing bracket, 14 upper wall of bearing bracket are provided with aperture installation air relief cock 13, put
There is pore connection extraneous and internal among vent plug 13, plays the role of equilibrium air pressure；14 antetheca of bearing bracket is equipped with plug
B51, rear wall connect constant pasta device 50, the height of bearing bracket internal lubrication oil can be observed by constant pasta device 50；
Adapter 28 is connected between the spiral case 33 and bearing bracket 14, sealing cover (23) is by studs 24 and turns
Joint chair 28 is fixed, seals, while two plugs (27) can prevent methanol inside spiral case from passing through slot leakage;
Mechanical seal 26 is used around the pump shaft, zero type sealing ring A25 is installed for self-tightening on the outside of mechanical seal 26
Sealing, axle sleeve 32 and 34 joint of impeller are designed to right angle interface, increase gap lengths, zero type sealing ring B29 is for sealing
Prevent methanol from leaking, positioning pin 30 is used to fix the relative position of spiral case gland 31 Yu adapter 28, and spiral case gland has sealing
With the effect of connection；
The impeller 34 is connected by impeller key 36 with pump shaft；Impeller 34 is locked at pump shaft by impeller back of the body cap component 35
On, the front and back of impeller 34 is in contact interface into right angle with back of the body cap component and axle sleeve respectively, rather than general plane contact, increases
Gap lengths, oil filter 59 are connected to pipeline towards mechanical seal 26, and internal oil liquid can fill gap, prevent gas leakage or
Person's leakage；
The pipe fitting 38 connects tapping pipeline 39, for releasing extra methanol, wherein cap nut 40 and pipe
Connector 38 is connected, and pipe sleeve 41 guarantees the leakproofness of junction, prevents methanol from leaking, and steel pipe 42 is the channel of methanol outflow, method
It is connect by nut 43 with bolt 47 between orchid 44 and gland 46, centre has gasket 45 to guarantee leakproofness, prevents liquid leakage, method
Orchid 44 makes it combine closely to form a kind of dismountable connector with connecting steel pipe 42 and gland 46, and when tapping unloads gland
Lower releasing liquid can be used continuously with bolt fastening gland again after the completion of tapping.
The sealing cover 23 and axle sleeve 32 use material 1Cr18Ni9Ti stainless steel.
The bearing bracket 14, gland 46, preceding gland 18 and pump bracket 21 use HT25-47.
The dustproof cover 19 uses material ZG1Cr18Ni9Ti.
The gasket C58 uses material for polytetrafluoroethylene (PTFE), and friction is small and being capable of methanol tolerant corrosion.
The studs 24 uses material for Cr18Ni12Mo2Ti, has good corrosion resistance.
Label is fixed with by rivet on the adapter 28.
The material that each major part of the box coupling uses is ZG45.
The working principle of the utility model is:
Nominal parameter: flow 4m3/h, revolving speed 2860r/min, power of motor 1.85kw, shaft power 1.2kw, lift 35m
The methanol pump conveys methanol using the centrifugal force of impeller rotation, and is excluded residual liquid by tapping pipeline, has
The characteristics of holding in vivo is: motor reel, which is connected by shaft coupling 7 with pump shaft, drives pump shaft rotation generation power, jaw coupling
It is that absorbable eccentric drift angle is big, the influence of shaft run-out bring can be weakened in a certain range, can ensure that pump shaft works
Stablize, axle sleeve 32 is set with outside pump shaft to reduce the friction of pump shaft and adapter 28 and there is sealing function, the installation of pump shaft end simultaneously
Impeller 34, impeller are locked and are sealed by impeller back of the body cap component 35, and pump shaft generates centrifugation by the rotation of 36 impeller of impeller key
Power, methanol are flowed into from suction inlet 48, and methanol, which drives via turbine centrifugal from extrusion mouth 49, to flow out.
Due to gravity, when impeller stops operating, part methanol, which can remain in 33 bottom of spiral case, be cannot exclude, also
Although some solid particles can also deposit here, the components such as spiral case are all made of anticorrosion material, the depositing device of through a long time
Still it is possible that corrosion phenomenon, at this point, the nut of stationary gland in tapping pipeline is unloaded, removing gland can be residual
Methanol released through piping, gland fastening can be used continuously again after the completion of tapping, prevents methanol from leaking, this tapping pipeline
For the big advantage of methanol pump one, the methanol of releasing can be re-used and can be reduced the corrosion rate of equipment, extend equipment
Service life.
Claims (8)
1. a kind of for feeding the pump of methanol, including bearing bracket (14), which is characterized in that bearing bracket (14) is connected with pump branch
Frame (21), gland (18) before bearing bracket (14) one end connects, pump case are contacted with preceding gland (18), setting in bearing bracket (14)
There is main shaft, main shaft one end passes through preceding gland (18) and is located in pump case, and the main shaft other end connects box coupling, pump case and bearing retainer
The centre of frame (14) is provided with power unit, Bearning mechanism and seal assembly；
The power unit includes the impeller (34) connecting with main shaft one end, and the main shaft of connection impeller (34) one end is located at pump case
In, impeller (34) passes through the back of the body cap component (35) matched and is fixed on main shaft, between spiral case (33) platen and sealing cover (23)
Have zero type sealing ring A(25), and be connected and fixed by studs (24), it further include the pipe fitting being arranged on sealing cover (23)
(38) and gasket, the weld assembly other end are oil filter (59)；
The Bearning mechanism includes the sealing ring (20) covered on main shaft, is located in bearing bracket (14) front and back gland (9), preceding
Dustproof cover (19) are equipped at gland (18), preceding gland (18), rear pressing cover (9) are equipped with zero type between bearing bracket (14) and seal
Enclose A(25)；It is single tapered roller bearing (16) close to impeller (34) one end, retaining ring is equipped between inside and bearing bracket (14)
(15), the other end is two deep groove ball bearings (12), has retaining ring (15) and adjustment ring (56) close to bearing housing side, the other side is set
There are thrust washer (55) and back of the body cap component, prevents from sliding axially；Adjustment ring (56) is used to adjust the axial position of bearing；Retaining ring
(15), thrust washer (55) and bearing back of the body cap (10) are used to limit the axial movement of bearing, and gland (46) is by bearing bracket both ends
Sealing, dustproof cover (19) can prevent dust from entering Bearing inner, influence bearing operation；
The seal assembly includes axle sleeve (32) and gasket A(11 outside main shaft), gasket A(11) be located at impeller (34) with
Rack sleeve contact interface；The oil filter pipeline for further including mechanical seal (26) and being drawn at mechanical seal (26)；
The pump case is respectively arranged with suction chamber (48) and delivery chamber (49), and the axis of suction chamber (48) and delivery chamber (49) hangs down
Directly, suction chamber (48) and main shaft are located at same axis, and suction chamber (48) and delivery chamber (49) inner wall are provided with screw thread, spiral case
(33) bottom end is provided with drain line (39), can discharge raffinate in time；
The box coupling includes the pump shaft shaft coupling (1) being connected with main shaft, and pump shaft shaft coupling (1) is connected by pin to be joined
(3) one end face of female connector cylinder, is provided with elastic ring between pin and pump shaft shaft coupling, sleeve (3) other end is connected by screw (2)
It is connected to shifting sleeve (4), shifting sleeve (4) other end is connected with motor coupling (5)；Shaft coupling (7) is by motor shaft coupling
Section (5) is connected by key (8) with motor shaft, and shifting sleeve (4) is connected by screw (2) with coupling sleeve (3), motor shaft coupling
Section (5) is connected by screw (2) with coupling sleeve (3), and rubber block (6) fills up the gap in shifting sleeve (4)；
Described bearing bracket (14) the internal reservoir lubricating oil, bearing bracket (14) upper wall are provided with aperture installation air relief cock (13),
There is pore connection extraneous and internal among air relief cock (13), plays the role of equilibrium air pressure；Bearing bracket (14) antetheca is equipped with
Plug B(51), rear wall connects constant pasta device (50), can observe bearing bracket internal lubrication oil by constant pasta device (50)
Height；
Adapter (28) are connected between the spiral case (33) and bearing bracket (14), sealing cover (23) passes through studs (24)
It is fixed with adapter (28), it seals, while two plugs (27) can prevent methanol inside spiral case from passing through slot leakage;
Mechanical seal (26) are used around the pump shaft, zero type sealing ring A(25 is installed on the outside of mechanical seal (26)) with coming from
Close envelope, axle sleeve (32) and impeller (34) joint are designed to right angle interface, increase gap lengths, zero type sealing ring B(29)
Prevent methanol from leaking for sealing, positioning pin (30) is used to fix the relative position of spiral case gland (31) Yu adapter (28), snail
Shell gland has the function of sealing and connection；
The impeller (34) is connected by impeller key (36) with pump shaft；Impeller (34) is locked at by impeller back of the body cap component (35)
On pump shaft, interface is in contact with back of the body cap component and axle sleeve respectively into right angle before and after impeller (34), rather than general plane connects
Touching increases gap lengths, and oil filter (59) is connected to pipeline towards mechanical seal (26), and internal oil liquid can fill sky
Gap prevents gas leakage or leakage；
The pipe fitting (38) connects tapping pipeline 39, for releasing extra methanol, wherein cap nut (40) and pipe
Connector (38) is connected, and pipe sleeve (41) guarantees the leakproofness of junction, prevents methanol from leaking, and steel pipe (42) is the logical of methanol outflow
Road is connect by nut (43) with bolt (47) between flange (44) and gland (46), and centre has gasket (45) to guarantee leakproofness,
Prevent liquid leakage, flange (44) with steel pipe (42) and gland (46) are connected make its combine closely to be formed it is a kind of detachable
Connector, gland is unloaded into releasing liquid when tapping, can be used continuously again with bolt fastening gland after the completion of tapping.
2. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that the sealing cover (23) and axis
It covers (32) and uses material 1Cr18Ni9Ti stainless steel.
3. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that the bearing bracket (14),
Gland (46), preceding gland (18) and pump bracket (21) use HT25-47.
4. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that the dustproof cover (19) uses
Material ZG1Cr18Ni9Ti.
5. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that the gasket C(58) it adopts
It is polytetrafluoroethylene (PTFE) with material, friction is small and being capable of methanol tolerant corrosion.
6. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that the studs (24) is adopted
It is Cr18Ni12Mo2Ti with material.
7. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that lead on the adapter (28)
It crosses rivet and is fixed with label.
8. according to claim 1 a kind of for feeding the pump of methanol, which is characterized in that each master of the box coupling
The material partially to use is ZG45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272017.2U CN209539621U (en) | 2018-08-08 | 2018-08-08 | It is a kind of for feeding the pump of methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272017.2U CN209539621U (en) | 2018-08-08 | 2018-08-08 | It is a kind of for feeding the pump of methanol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209539621U true CN209539621U (en) | 2019-10-25 |
Family
ID=68244523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821272017.2U Expired - Fee Related CN209539621U (en) | 2018-08-08 | 2018-08-08 | It is a kind of for feeding the pump of methanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209539621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916068A (en) * | 2018-08-08 | 2018-11-30 | 陕西科技大学 | A kind of methanol feed pump |
-
2018
- 2018-08-08 CN CN201821272017.2U patent/CN209539621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916068A (en) * | 2018-08-08 | 2018-11-30 | 陕西科技大学 | A kind of methanol feed pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20200808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |