CN108050044A - A kind of ethylene low temperature reciprocating pump - Google Patents
A kind of ethylene low temperature reciprocating pump Download PDFInfo
- Publication number
- CN108050044A CN108050044A CN201711361027.3A CN201711361027A CN108050044A CN 108050044 A CN108050044 A CN 108050044A CN 201711361027 A CN201711361027 A CN 201711361027A CN 108050044 A CN108050044 A CN 108050044A
- Authority
- CN
- China
- Prior art keywords
- reciprocating pump
- pump body
- outside
- low temperature
- cylinder
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
Abstract
The invention discloses a kind of ethylene low temperature reciprocating pumps, its structure includes reciprocating pump body, the left part of the reciprocating pump body is equipped with connection bolt, the outside of the connection bolt is equipped with nut, the right part of the connection bolt is equipped with piston rod, the outside of the piston rod is equipped with fixing threaded hole, the outside of the reciprocating pump body is equipped with pump case, the bottom of the reciprocating pump body is equipped with vacuum valve, the top of the reciprocating pump body is equipped with drain connection, the outside of the drain connection is equipped with cap nut, the bottom of the cap nut is equipped with valve seat, the bottom inside of the valve seat is equipped with float trap, the reciprocating pump body is internally provided with cylinder, the right part of the cylinder is equipped with compression spring, the bottom right of the cylinder is equipped with fastening bolt, end cap is distributed in the right part of the reciprocating pump body；The inside of the vacuum valve includes O-ring seal, plug and vacuum envelope.The ethylene low temperature reciprocating pump, efficiently conveys ethylene, is conveyed at low temperature, efficient.
Description
Technical field
The present invention relates to transporting pump equipment technical fields, are specially a kind of ethylene low temperature reciprocating pump.
Background technology
Reciprocating pump is moved back and forth by piston, plunger or membrane in pumping cylinder makes swept volume in cylinder alternately increase and reduce
To convey liquid or be allowed to the positive displacement pump being pressurized.Reciprocating pump is divided into piston pump, plunger pump and diaphragm pump 3 by reciprocal element difference
Type.
For existing low temperature reciprocating pump when transporting ethylene, speed is slower, less efficient, it is impossible to and it is large batch of to be conveyed,
Service life is short, and material is poor, and intensity is low, and sealing performance is poor, complicated, and inconvenience uses.
The content of the invention
It is an object of the invention to provide a kind of ethylene low temperature reciprocating pumps, solve the problems, such as proposed in background technology.
To achieve the above object, the present invention provides following technical solution：A kind of ethylene low temperature reciprocating pump, structure include past
Body is pumped again, and the left part of the reciprocating pump body is equipped with connection bolt, and the outside of the connection bolt is equipped with nut, the connection
The right part of bolt is equipped with piston rod, and the outside of the piston rod is equipped with fixing threaded hole, and the outside of the reciprocating pump body is equipped with pump
Shell, the bottom of the reciprocating pump body are equipped with vacuum valve, and the top of the reciprocating pump body is equipped with drain connection, and the drain connects
The outside of pipe is equipped with cap nut, and the bottom of the cap nut is equipped with valve seat, and the bottom inside of the valve seat is equipped with float trap,
The reciprocating pump body is internally provided with cylinder, and the right part of the cylinder is equipped with compression spring, and the bottom right of the cylinder is set
There is fastening bolt, end cap is distributed in the right part of the reciprocating pump body；The inside of the vacuum valve includes O-ring seal, plug
Son and vacuum envelope, the inside bottom of the vacuum valve are equipped with vacuum envelope, and the top of the vacuum envelope is equipped with plug, the plug
Top is equipped with O-ring seal.
As a kind of preferred embodiment of the present invention, external fastening is distributed on the outside of the end cap, and it is described outer
The outside of portion's fastener is equipped with nut.
As a kind of preferred embodiment of the present invention, the inside of the float trap is filled with silica and polytetrafluoroethyl-ne
The materials such as alkene.
As a kind of preferred embodiment of the present invention, the outside of the pump case is equipped with carbon steel material, and thickness is
0.5cm。
As a kind of preferred embodiment of the present invention, the O-ring seal is butyl rubber material.
Compared with prior art, beneficial effects of the present invention are as follows：
The ethylene low temperature reciprocating pump, by the low temperature reciprocating pump of setting, can efficiently convey ethylene, can carry out at low temperature defeated
It send, efficient, speed is fast, and use scope is wide, simple in structure.Good by the reciprocating pump quality of setting, service life is long, leakproofness
Can be high, the pump case of setting strengthens structural strength, easy to use.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of overall structure figure of ethylene low temperature reciprocating pump of the present invention；
In figure:Reciprocating pump body -1, connection bolt -2, nut -3, piston rod -4, fixing threaded hole -5, pump case -6, vacuum valve -7,
Drain connection -8, float trap -9, valve seat -10, cap nut -11, cylinder -12, compression spring -13, fastening bolt -14, outside
Fastener -15, end cap -16, O-ring seal -17, plug -18, vacuum envelope -19.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of ethylene low temperature reciprocating pump, structure include reciprocating pump
Body 1, the left part of the reciprocating pump body 1 are equipped with connection bolt 2, and the outside of the connection bolt 2 is equipped with nut 3, the company
The right part of connecting bolt 2 is equipped with piston rod 4, and the outside of the piston rod 4 is equipped with fixing threaded hole 5, the outside of the reciprocating pump body 1
Equipped with pump case 6, the bottom of the reciprocating pump body 1 is equipped with vacuum valve 7, and the top of the reciprocating pump body 1 is equipped with drain connection
8, the outside of the drain connection 8 is equipped with cap nut 11, and the bottom of the cap nut 11 is equipped with valve seat 10, the valve seat 10
Bottom inside be equipped with float trap 9, the reciprocating pump body 1 is internally provided with cylinder 12, and the right part of the cylinder 12 is equipped with pressure
Power spring 13, the bottom right of the cylinder 12 are equipped with fastening bolt 14, and end cap is distributed in the right part of the reciprocating pump body 1
16；The inside of the vacuum valve 7 includes O-ring seal 17, plug 18 and vacuum envelope 19, the inside bottom of the vacuum valve 7
Equipped with vacuum envelope 19, the top of the vacuum envelope 19 is equipped with plug 18, and the top of the plug 18 is equipped with O-ring seal 17.
Referring to Fig. 1, external fastening 15, and the outside of the external fastening 15 is distributed in the outside of the end cap 16
Equipped with nut, reciprocating pump body 1 is directly fastened so that be not easy to loosen, strengthen its stability.
Referring to Fig. 1, the inside of the float trap 9 has antiacid filled with materials such as silica and polytetrafluoroethylene (PTFE)
Alkali resistant resists the characteristics of various organic solvents, is practically insoluble in all solvents, meanwhile, polytetrafluoroethylene (PTFE) has heat safe spy
Point, its coefficient of friction is extremely low, so can make lubricating action, easy to clean, quality is good.
Referring to Fig. 1, the outside of the pump case 6 is equipped with carbon steel material, and thickness is 0.5cm, and intensity is high, and hardness is big, makes
Use long lifespan.
Referring to Fig. 1, the O-ring seal 17 is butyl rubber material, for rubber of chorusing, sealing performance is high, heat-resisting, resistance to
Ozone, ageing-resistant, chemical-resistant resistance, and have shock-absorbing, electrical insulation capability.
A kind of ethylene low temperature reciprocating pump of the present invention, O-ring seal 17 are butyl rubber, are the one of synthetic rubber
Kind, it is synthesized by isobutene and a small amount of isoprene., butyl rubber is usually colourless or light yellow, without aroma and flavor, sometimes
There can be peculiar taste because of remaining monomer, isobutene and a small amount of isoprene are passed through into cation under low temperature (- 100 DEG C or so)
Made from polymerization.
The present invention reciprocating pump body 1, connection bolt 2, nut 3, piston rod 4, fixing threaded hole 5, pump case 6, vacuum valve 7,
Drain connection 8, float trap 9, valve seat 10, cap nut 11, cylinder 12, compression spring 13, fastening bolt 14, external fastening
15th, end cap 16, O-ring seal 17, plug 18, vacuum envelope 19, component are that universal standard part or those skilled in the art know
Component, structure and principle all can be learnt by technical manual or be known by routine experiment method for this technology personnel,
The present invention solve the problems, such as be existing low temperature reciprocating pump when transporting ethylene, speed is slower, less efficient, it is impossible to large batch of
It is conveyed, service life is short, and material is poor, and intensity is low, and sealing performance is poor, complicated, inconvenient the problems such as using, this hair
Bright being combined with each other by above-mentioned component by the low temperature reciprocating pump of setting, can efficiently convey ethylene, can carry out at low temperature
Conveying, efficient, speed is fast, and use scope is wide, simple in structure.Good by the reciprocating pump quality of setting, service life is long, sealing
Performance is high, and the pump case of setting strengthens structural strength, easy to use.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of ethylene low temperature reciprocating pump, structure includes reciprocating pump body（1）, it is characterised in that：The reciprocating pump body（1）
Left part be equipped with connection bolt（2）, the connection bolt（2）Outside be equipped with nut（3）, the connection bolt（2）Right part
Equipped with piston rod（4）, the piston rod（4）Outside be equipped with fixing threaded hole（5）, the reciprocating pump body（1）Outside be equipped with
Pump case（6）, the reciprocating pump body（1）Bottom be equipped with vacuum valve（7）, the reciprocating pump body（1）Top be equipped with drain
It takes over（8）, the drain connection（8）Outside be equipped with cap nut（11）, the cap nut（11）Bottom be equipped with valve seat
（10）, the valve seat（10）Bottom inside be equipped with float trap（9）, the reciprocating pump body（1）Be internally provided with cylinder（12）,
The cylinder（12）Right part be equipped with compression spring（13）, the cylinder（12）Bottom right be equipped with fastening bolt（14）, institute
State reciprocating pump body（1）Right part end cap is distributed with（16）；The vacuum valve（7）Inside include O-ring seal（17）, plug
Son（18）And vacuum envelope（19）, the vacuum valve（7）Inside bottom be equipped with vacuum envelope（19）, the vacuum envelope（19）Top
Equipped with plug（18）, the plug（18）Top be equipped with O-ring seal（17）.
2. a kind of ethylene low temperature reciprocating pump according to claim 1, it is characterised in that：The end cap（16）Outside distribution
There is external fastening（15）, and the external fastening（15）Outside be equipped with nut.
3. a kind of ethylene low temperature reciprocating pump according to claim 1, it is characterised in that：The float trap（9）Inside fill out
Filled with the materials such as silica and polytetrafluoroethylene (PTFE).
4. a kind of ethylene low temperature reciprocating pump according to claim 1, it is characterised in that：The pump case（6）Outside be equipped with
Carbon steel material, and thickness is 0.5cm.
5. a kind of ethylene low temperature reciprocating pump according to claim 1, it is characterised in that：The O-ring seal（17）For fourth
Base rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361027.3A CN108050044A (en) | 2017-12-18 | 2017-12-18 | A kind of ethylene low temperature reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361027.3A CN108050044A (en) | 2017-12-18 | 2017-12-18 | A kind of ethylene low temperature reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108050044A true CN108050044A (en) | 2018-05-18 |
Family
ID=62133560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361027.3A Pending CN108050044A (en) | 2017-12-18 | 2017-12-18 | A kind of ethylene low temperature reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108050044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594413A (en) * | 2020-05-11 | 2020-08-28 | 合肥通用机械研究院有限公司 | Remote mechanical power driven reciprocating submerged liquid hydrogen pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101223390A (en) * | 2005-07-15 | 2008-07-16 | 克赖奥迈科股份有限公司 | Piston rod seal on pumps for cryogenic media |
| CN203516066U (en) * | 2013-10-11 | 2014-04-02 | 湖州三井低温设备有限公司 | High-flow high pressure and low temperature reciprocating pump cold side |
| CN203925934U (en) * | 2014-07-01 | 2014-11-05 | 成都中油昆仑能源装备制造有限公司 | Cryogenic vacuum pumps pond |
| CN204877921U (en) * | 2015-08-17 | 2015-12-16 | 杭州新亚低温科技有限公司 | Ultra -low temperature reciprocating piston pump |
| CN205117641U (en) * | 2015-08-31 | 2016-03-30 | 协星铁光株式会社 | Liquefied natural gas transfers and uses ultra -low temperature high -pressure pump |
| CN206158938U (en) * | 2016-09-23 | 2017-05-10 | 湖州三井低温设备有限公司 | Two -way ram pump suitable for low temperature medium |
| CN107448370A (en) * | 2017-06-23 | 2017-12-08 | 韦达 | Ultralow temperature extra-high voltage liquid hydrogen pump |
-
2017
- 2017-12-18 CN CN201711361027.3A patent/CN108050044A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101223390A (en) * | 2005-07-15 | 2008-07-16 | 克赖奥迈科股份有限公司 | Piston rod seal on pumps for cryogenic media |
| CN203516066U (en) * | 2013-10-11 | 2014-04-02 | 湖州三井低温设备有限公司 | High-flow high pressure and low temperature reciprocating pump cold side |
| CN203925934U (en) * | 2014-07-01 | 2014-11-05 | 成都中油昆仑能源装备制造有限公司 | Cryogenic vacuum pumps pond |
| CN204877921U (en) * | 2015-08-17 | 2015-12-16 | 杭州新亚低温科技有限公司 | Ultra -low temperature reciprocating piston pump |
| CN205117641U (en) * | 2015-08-31 | 2016-03-30 | 协星铁光株式会社 | Liquefied natural gas transfers and uses ultra -low temperature high -pressure pump |
| CN206158938U (en) * | 2016-09-23 | 2017-05-10 | 湖州三井低温设备有限公司 | Two -way ram pump suitable for low temperature medium |
| CN107448370A (en) * | 2017-06-23 | 2017-12-08 | 韦达 | Ultralow temperature extra-high voltage liquid hydrogen pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594413A (en) * | 2020-05-11 | 2020-08-28 | 合肥通用机械研究院有限公司 | Remote mechanical power driven reciprocating submerged liquid hydrogen pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101776150A (en) | Combined reciprocating sealing device of magnetic liquid, C-shaped slip ring and Y x type seal ring | |
| CN108050044A (en) | A kind of ethylene low temperature reciprocating pump | |
| EP0943799A3 (en) | Pulsation suppression device for a pump | |
| CN105443366B (en) | A kind of double acting sucker rod pump | |
| CN205225649U (en) | Compound environmental protection diaphragm of diaphragm pump | |
| CN208831335U (en) | A kind of middle-opening pump | |
| CN207018187U (en) | A kind of piston rod assembly, plunger pump cold end and plunger pump | |
| CN104650511A (en) | Carbon fiber piston ring | |
| WO2012019279A1 (en) | Piston pump and kit for assembling the same | |
| CN109470419A (en) | A kind of built-up piston structure for detecting leakproofness and its detection method | |
| CN207278881U (en) | A kind of enhanced general plug of O-ring is sealed seal | |
| CN209025832U (en) | High-intensitive reciprocating hydraulic diaphragm pump diaphragm | |
| CN211343453U (en) | Water pump shaft suitable for sludge environment | |
| CN210219305U (en) | Gas tank for ultrahigh pressure air compression test | |
| CN208311343U (en) | A kind of spring structure in logger | |
| CN201071795Y (en) | Displacement pump of bellows | |
| CN215099459U (en) | Food can with compression vacuum function | |
| CN205559249U (en) | Improve wear resistance's plunger pump | |
| CN206592276U (en) | One kind forces lifting plunger slippery boots assembly | |
| CN106522888B (en) | A kind of biradical driving mining system of aqueous vapor | |
| CN208981975U (en) | A kind of wear-resistant box coupling of high leakproofness | |
| CN209320925U (en) | A kind of rear brake master cylinder with piston rapid resetting mechanism | |
| CN203867877U (en) | Closeable hand-cranked oil pump | |
| CN104121171A (en) | Differential pressure type medicament adding device with diaphragm | |
| CN104437296A (en) | Sealing element for high borosilicate glass reaction kettle |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180518 |
|
| RJ01 | Rejection of invention patent application after publication |