CN104632568B - Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump - Google Patents
Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump Download PDFInfo
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- CN104632568B CN104632568B CN201310551941.XA CN201310551941A CN104632568B CN 104632568 B CN104632568 B CN 104632568B CN 201310551941 A CN201310551941 A CN 201310551941A CN 104632568 B CN104632568 B CN 104632568B
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 24
- 239000010802 sludge Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 3
- 210000002275 spiral lamina Anatomy 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000109 continuous material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000003763 carbonization Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 230000005021 gait Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Reciprocating Pumps (AREA)
- Treatment Of Sludge (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A method and a device for continuously conveying oil sludge of a single-cylinder bidirectional piston pump belong to the technical field of energy environmental protection. The solid and semi-solid oily sludge is pseudoplastic fluid, can show Newtonian mechanical fluid properties under the action of double helix, forms certain pressure before entering a piston pump, and provides continuous materials for the conveying of the piston; in the reciprocating motion process of the piston, the oil-containing sludge is controlled to flow towards the outlet by matching with the switch of the hydraulic gate valve; the highest outlet pressure can reach 20 MPa; the oil sludge conveying amount is calculated through the stroke of the piston and the diameter of the piston cylinder. The invention has the advantage that the continuous high-pressure conveying of the oily sludge is realized on a device with smaller volume.
Description
Technical field
The present invention relates to a kind of single cylinder continuous carrying method of type bidirectional piston pump greasy filth and device, belong to energy
Source environmental technology field.
Background technology
The sewage disposal mud of field and Petrochemical Enterprises is after mechanical dehydration, and it is left that oil content is generally 80%
The right side, generally in solid-state or half flow regime, belongs to the heterogeneous dispersion of heterogeneous body, mainly by crude oil, water
Point, the composition such as clay mineral, biological organic matter and chemical addition agent, general oil content is left at 2-15%
The right side, high up to 20%-30%, major part is regarded as pseudoplastic fluid.This type of greasy filth is oil stone
Changing the hazardous waste that industry is main, the most promising processing mode is that oily sludge is pyrolyzed and low
Temperature high pressure carbonization technology, both technology are required to continuous, airtight, relatively high force (1MPa)
Feed system.Be presently used for conveying mud can mainly have screw pump, Pulp pump, piston by screening device
Pumps etc., its main feature is as shown in table 1.
Table 1 can carry pump and the principal character thereof of greasy filth
Wherein, screw pump is measurable, but the impurity of hard is relatively big to its damage, the excessively thing of thickness
Material charging is relatively difficult；Pulp pump is beyond count, and in the case of pressure oscillation, charging rate also is difficult to
Control, be not suitable for greasy filth；Helical feed mode is more suitable for solid-state, the conveying of scattered material, typically
Carry under normal pressure；Single cylinder piston pump is measurable, discharge pressure is the highest, but it can not be the most defeated
Send.Multi-cylinder piston pump can simulate conveying continuously, and pressure is also enough, and its conveying capacity is generally 1-10t/h.
Oily sludge pyrolysis and cryogenic high pressure carbonization technology be at home the simulation of indoor lab scale or in
Examination experimental stage, is generally the scope of 5-50kg/h to the demand of charging, it is desirable to pressure at 5-10MPa,
Above-mentioned several optional that conveying machinery is all difficult to meet requirement, it is badly in need of a kind of volume and is suitable for, control flexibly,
The oily sludge conveyer device of accurate quantitative analysis.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of single cylinder type bidirectional piston pump greasy filth
Carrying method and device, can realize following functions: 1 continuously) realize the continuous of the sticky materials such as mud
Conveying, controlled delivery amount can be at 5-50kg/h；2) accurate quantitative analysis of the sticky materials such as mud can be realized
Conveying；3) discharge pressure can reach more than 20MPa；4) mode of movement that horizontal bar is two-way makes to set
Standby overall volume reduces (contrast multi-cylinder piston pump), meets common laboratory installation requirement.
A kind of single cylinder continuous carrying method of type bidirectional piston pump greasy filth, containing following steps；Solid-state, half solid
The oily sludge of state can form the Newtonian mechanics fluid of certain degree of compaction under Double helix effect, is entering
Major part air can be discharged before piston pump；During reciprocating motion of the pistons, coordinate hydraulic sluice valve
Switch, control oily sludge to Way out flow；Outlet pressure reaches as high as 20MPa；Pass through
The stroke of piston and the diameter of piston cylinder calculate the conveying capacity of greasy filth.
Possibly together with following steps；
Step 1, the compacting of greasy filth and whipping step；
Oily sludge adds material bin, and Double helix can ceaselessly stir extruding greasy filth, makes greasy filth obtain newton
Fluid properties, and form certain pressure before charging gate valve.The Double helix symmetrical reverse by spiral lamina
Design, can realize greasy filth and carry to both direction simultaneously.
Step 2, piston movement and the matching step of gate valve switch；
Piston original position is the left end of hydraulic cylinder 1, now 8 dozens, the second gate valve the 3, the 4th gate valve
Opening, the first gate valve the 2, the 3rd gate valve 5 is closed, and during piston advances to the right, left can form one
Determining vacuum, coordinate double-helical pressure to be sucked by oily sludge, right-hand member air enters from the second gate valve 3
Pipeline；Stopping when piston marches to right-hand member, now the second gate valve the 3, the 4th gate valve 8 is closed, the
One gate valve the 2, the 3rd gate valve 5 is opened (unlatching and the Guan Bi of valve need about 1S), and valve is changed
Completing back piston to left movement, now material enters pipeline from the first gate valve 2, and pressure is up to 20MPa；
After piston marches to left end, repeat a upper process, can realize greasy filth continuous, airtight, high pressure is defeated
Send.
Step 3, the rate-determining steps of piston stroke；
The first electromagnetic monitoring point 9, magnetic contact is had between hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4
10 and the second electromagnetic monitoring point 11, when magnetic get an electric shock 10 pass through time can become as control system sends piston
To and valve switch signal.By first electromagnetic monitoring point the 9, second electromagnetic monitoring point 11 two
The total stroke length of regulating piston is carried out in position, by the gait of march of the speed regulating piston of hydraulic stem.
A kind of single cylinder type bidirectional piston pump greasy filth continuous conveying device, the piston rod other end of hydraulic cylinder 1 is even
The piston of order thick stick type bidirectional piston pump 4 inner chamber, one end of horizontal bar type bidirectional piston pump 4 connects the 4th respectively
Gate valve the 8, first gate valve 2, the other end of horizontal bar type bidirectional piston pump 4 connect respectively the 3rd gate valve 5,
Second gate valve 3, first gate valve the 2, second gate valve 3 connects pipeline, the 3rd gate valve the 5, the 4th respectively
Gate valve 8 connects mud hopper 7 respectively, and the housing of mud hopper 7 connects motor, and motor connects two-way
Precompressed Double helix 6；Have between hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4 first electromagnetic monitoring point 9,
Magnetic contact 10 and the second electromagnetic monitoring point 11.
The invention have the advantage that
1) piston two-way all can carry material, it is to avoid the volume problems of too of multi-cylinder design.By subtracting
Few cylinder body quantity mode compresses overall volume, and equipment whole height is less than 1.5m, meets general experiment
Room requirement.
2) the accurate quantitative analysis conveying of the sticky materials such as mud can be realized.Utilize the external electromagnetic monitoring point can
Accurately measuring piston stroke and speed, piston can be by the sectional area of cylinder and speed during advancing to the right
Degree calculates conveying amount, and piston realizes the continuous conveying of the sticky materials such as mud during to the left, controlled
Conveying capacity can be at 5-50kg/h；
3) discharge pressure can reach 20MPa, meets oily sludge pyrolysis and cryogenic high pressure carbonization technology
The needs of research.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, it is possible to more completely preferably
Understand the present invention and easily learn the advantage that many of which is adjoint, but accompanying drawing described herein is used for
A further understanding of the present invention is provided, constitutes the part of the present invention, the schematic enforcement of the present invention
Example and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention, such as figure wherein:
Fig. 1 is the oily sludge continuous feed thermal chamber inner evaluation process equipment schematic diagram of the present invention;
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art are done based on spirit of the invention belong to
In protection scope of the present invention.
Embodiment 1: as shown in Figure 1, it is assumed that piston original position is the left end of hydraulic cylinder 1,
Now the second gate valve the 3, the 4th gate valve 8 is opened, and the first gate valve the 2, the 3rd gate valve 5 is closed, piston
During advancing to the right, left can form certain vacuum, coordinates double-helical pressure to be inhaled by oily sludge
Entering, right-hand member air enters pipeline from the second gate valve 3；Stop when piston marches to right-hand member, now the
Two gate valve the 3, the 4th gate valves 8 are closed, and the first gate valve the 2, the 3rd gate valve 5 opens the (unlatching of valve
About 1S is needed with Guan Bi), valve converts back piston to left movement, and now material is from the first lock
Valve 2 enters pipeline, and pressure is up to 20MPa；A upper process is repeated after piston marches to left end, can
Realize continuous, airtight, the high pressure conveying of greasy filth.
The piston rod other end of hydraulic cylinder 1 connects the piston of horizontal bar type bidirectional piston pump 4 inner chamber, horizontal bar
One end of type bidirectional piston pump 4 connects the 4th gate valve the 8, first gate valve 2, horizontal bar type bidirectional piston pump respectively
The other end of 4 connects the 3rd gate valve the 5, second gate valve 3, first gate valve the 2, second gate valve 3 respectively
Connect pipeline respectively,
3rd gate valve the 5, the 4th gate valve 8 connects mud hopper 7, the housing of mud hopper 7 respectively
Connecting motor, motor connects two-way precompressed Double helix 6；
The first electromagnetic monitoring point 9, magnetic is had to touch between hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4
Point 10 and the second electromagnetic monitoring point 11.
A kind of single cylinder continuous carrying method of type bidirectional piston pump greasy filth, containing following steps；Solid-state, half solid
The oily sludge of state can form the Newtonian mechanics fluid of certain degree of compaction under Double helix effect, is entering
Major part air can be discharged before piston pump；During reciprocating motion of the pistons, coordinate hydraulic sluice valve
Switch, control oily sludge to Way out flow；Outlet pressure reaches as high as 20MPa；Pass through
The stroke of piston and the diameter of piston cylinder calculate the conveying capacity of greasy filth.
Possibly together with following steps；
Step 1, the compacting of greasy filth and whipping step；
Oily sludge adds material bin, and Double helix can ceaselessly stir extruding greasy filth, makes greasy filth obtain newton
Fluid properties, and form certain pressure before charging gate valve.The Double helix symmetrical reverse by spiral lamina
Design, can realize greasy filth and carry to both direction simultaneously.
Step 2, piston movement and the matching step of gate valve switch；
Assume the left end that piston original position is hydraulic cylinder 1, now the second gate valve the 3, the 4th gate valve
8 open, and the first gate valve the 2, the 3rd gate valve 5 is closed, and during piston advances to the right, left can shape
Becoming certain vacuum, coordinate double-helical pressure to be sucked by oily sludge, right-hand member air is from the second gate valve 3
Enter pipeline；Stopping when piston marches to right-hand member, now the second gate valve the 3, the 4th gate valve 8 is closed,
First gate valve the 2, the 3rd gate valve 5 opens (unlatching and the Guan Bi of valve need about 1S), and valve turns
Having changed back piston to left movement, now material enters pipeline from the first gate valve 2, pressure up to
20MPa；After piston marches to left end, repeat a upper process, can realize greasy filth continuous, airtight,
High pressure carries.
Step 3, the rate-determining steps of piston stroke；
As it is shown in figure 1, there is the first electromagnetic monitoring between hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4
Point 9, magnetic contact 10 and the second electromagnetic monitoring point 11, can be as controlling when magnetic electric shock 10 is passed through
System sends piston break-in and valve switch signal.Supervised by first electromagnetic monitoring point the 9, second electromagnetism
The total stroke length of regulating piston is carried out in the position that measuring point is 11 two, is regulated by the speed of hydraulic stem and lives
The gait of march of plug.
As it has been described above, embodiments of the invention are explained, but as long as substantially
Inventive point and effect without departing from the present invention can have a lot of deformation, and this is to those skilled in the art
It is apparent from for Yuan.Therefore, such variation is also integrally incorporated in the protection model of the present invention
Within enclosing.
Claims (1)
1. the single cylinder continuous carrying method of type bidirectional piston pump greasy filth, it is characterised in that containing following steps: solid-state, semi-solid contain
Greasy dirt can form the Newtonian mechanics fluid of certain degree of compaction under Double helix effect, is formed certain before entering piston pump
Pressure；During reciprocating motion of the pistons, coordinate the switch of hydraulic sluice valve, control oily sludge to Way out stream
Dynamic；Outlet pressure reaches as high as 20MPa；The conveying capacity of greasy filth is calculated by the stroke of piston and the diameter of piston cylinder；
The described single cylinder continuous carrying method of type bidirectional piston pump greasy filth is possibly together with following steps:
Step l, the compacting of greasy filth and whipping step；
Oily sludge adds material bin, and Double helix can ceaselessly stir extruding greasy filth, makes greasy filth obtain Newtonian fluid character, and
Certain pressure is formed before charging gate valve；Double helix is designed by the symmetrical reverse of spiral lamina, it is achieved greasy filth is simultaneously to two
Direction carries:
Step 2, piston movement and the matching step of gate valve switch；
The piston rod other end of hydraulic cylinder connects the piston of horizontal bar type bidirectional piston pump inner chamber, and one end of horizontal bar type bidirectional piston pump is divided
Not Lian Jie the 4th gate valve, the first gate valve, the other end of horizontal bar type bidirectional piston pump connects the 3rd gate valve, the second gate valve respectively,
First gate valve, the second gate valve connect pipeline respectively, and the 3rd gate valve, the 4th gate valve connect mud hopper, mud hopper respectively
Housing connect motor, motor connect two-way precompressed Double helix；
Piston original position is the left end of hydraulic cylinder, and now the second gate valve, the 4th gate valve are opened, the first gate valve, the 3rd lock
Valve cuts out, and during piston advances to the right, left can form certain vacuum, coordinates double-helical pressure to be inhaled by oily sludge
Entering, right-hand member air enters pipeline from the second gate valve；Stop when piston marches to right-hand member, now the second gate valve, the 4th lock
Valve cuts out, and the first gate valve, the 3rd gate valve are opened, and the unlatching of valve and Guan Bi are lived after needing about ls, valve to convert
Plug is to left movement, and now material enters pipeline from the first gate valve, and pressure is up to 20MPa；Weight after piston marches to left end
Go up a process again, it is achieved continuous, airtight, the high pressure conveying of greasy filth；
Step 3, the rate-determining steps of piston stroke；
The first electromagnetic monitoring point, magnetic contact and the second electromagnetic monitoring point is had between hydraulic cylinder and horizontal bar type bidirectional piston pump,
When magnetic get an electric shock by time can send piston break-in and valve switch signal as control system；By the first electromagnetic monitoring point,
The total stroke length of regulating piston is carried out in the position of the second electromagnetic monitoring point two, by the row of the speed regulating piston of hydraulic stem
Enter speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551941.XA CN104632568B (en) | 2013-11-08 | 2013-11-08 | Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551941.XA CN104632568B (en) | 2013-11-08 | 2013-11-08 | Continuous oil sludge conveying method and device for single-cylinder bidirectional piston pump |
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| Publication Number | Publication Date |
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| CN104632568A CN104632568A (en) | 2015-05-20 |
| CN104632568B true CN104632568B (en) | 2017-01-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484960A (en) * | 2015-12-31 | 2016-04-13 | 德科摩橡塑科技(东莞)有限公司 | Liquid silicone double-pump coaxial synchronizer |
| CN105464918A (en) * | 2016-01-04 | 2016-04-06 | 佛山市信利成机电设备有限公司 | Energy saving pump |
| CN109437497B (en) * | 2017-08-30 | 2021-04-16 | 广州汽车集团股份有限公司 | Oil sludge recovery treatment equipment |
| CN111140458A (en) * | 2019-12-27 | 2020-05-12 | 江苏万川液压机械设备有限公司 | Single-cylinder double-feeding hydraulic piston pump |
| CN112928892B (en) * | 2021-02-05 | 2021-11-26 | 中国农业大学 | Double-helix electromagnetic pump for driving conductive fluid to accelerate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1272789A (en) * | 1969-12-10 | 1972-05-03 | Harold Martin Zimmerman | Concrete pumping apparatus |
| US3716304A (en) * | 1970-09-14 | 1973-02-13 | Mancole Co Ltd | Concrete pump |
| US4457670A (en) * | 1978-09-28 | 1984-07-03 | General Electric Company | Methods and apparatus for pumping compressible dynamoelectric machine lubricant material |
| KR970002677Y1 (en) * | 1994-06-14 | 1997-03-31 | 주선기 | Serial type mortar pump with double-cylinder |
| JP3856097B2 (en) * | 2001-05-22 | 2006-12-13 | 株式会社石垣 | Cake pump |
| CN201159146Y (en) * | 2008-06-19 | 2008-12-03 | 浙江旺能环保股份有限公司 | Wet sludge conveyer |
| CN203627118U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Oil sludge continuous conveying device of single-cylinder bidirectional piston pump |
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